CN202159248U - Water treatment controller in recirculated cooling water system - Google Patents

Water treatment controller in recirculated cooling water system Download PDF

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Publication number
CN202159248U
CN202159248U CN2011202465607U CN201120246560U CN202159248U CN 202159248 U CN202159248 U CN 202159248U CN 2011202465607 U CN2011202465607 U CN 2011202465607U CN 201120246560 U CN201120246560 U CN 201120246560U CN 202159248 U CN202159248 U CN 202159248U
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China
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cooling water
screen
programmable logic
logic controller
recirculating cooling
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Expired - Fee Related
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CN2011202465607U
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Chinese (zh)
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郭乃弟
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BEIJING YUEDI CHEMICAL TECHNOLOGY CO LTD
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BEIJING YUEDI CHEMICAL TECHNOLOGY CO LTD
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Abstract

The utility model relates to a water treatment controller in a recirculated cooling water system, comprising an air switch, a power supply module, a programmable controller PLC, a display touch screen, and a data collecting apparatus, wherein the data collecting apparatus is used for collecting and obtaining the conductivity, PH value, instantaneous flow and accumulated flow of a water sample to be detected, and transmitting the collected data to the PLC, the PLC receives the data transmitted by the data collecting apparatus and transmits the data to the display touch screen, the PLC is also used for calculating the evaporation capacity of a calculating system and transmitting the evaporation capacity to the display touch screen, and the display touch screen is also used for controlling the medicine adding amount of a medicine adding pump in the system and/or the work state of a solenoid valve. The water treatment controller in a recirculated cooling water system can automatically detect the water quality condition of the water sample, thereby adjusting the medicine adding amount and the sewage discharging amount in real time and achieving the purpose of excellently controlling the water quality and realizing ideal water treatment effect. In addition, the water treatment controller can also realize the automatic water quality adjustment, thereby simplifying operation process and enabling the recirculated cooling water system to be safe, practical and peopleoriented.

Description

Water processing control device in a kind of recirculating cooling water system
Technical field
The utility model relates to the water processing control device in a kind of recirculating cooling water system.
Background technology
At present, adopt the recirculating cooling water system of chemical treatment method very general, reach the purpose that scale inhibition, inhibition and inhibition bacterium algae grow through antisludging agent, corrosion inhibiter and the germifuge that in cooling water system, adds water treatment.Owing to reasons such as the evaporation and concentration of cooling water system, spatter losses; Adding dose and blowdown flow rate often all compares blindly; After need waiting for that artificial mode is carried out water quality monitoring and chemical examination and drawn analysis result; Add dose and blowdown flow rate according to this analysis result adjustment again, this problem with regard to having caused water treatment to lag behind.In addition, different weather conditions and different heat exchange efficient make the evaporation and concentration of system not have rule to follow, and this just causes, and rate of water make-up is also irregular to follow, and controllability is relatively poor.
The utility model content
The utility model technical matters to be solved provides the water processing control device of the water quality situation of water sample in a kind of automatic detection recirculating cooling water system.
The technical scheme of the utility model is following:
Water processing control device in a kind of recirculating cooling water system comprises air switch, power module, Programmable Logic Controller, demonstration touch-screen, data collector,
Said power module links to each other with said air switch, said Programmable Logic Controller, said demonstration touch-screen respectively, and said air switch is controlled said power module to said Programmable Logic Controller, the power supply of said demonstration touch-screen; Said Programmable Logic Controller also links to each other with said demonstration touch-screen, said data collector respectively;
Said data collector is used to gather the conductivity, pH value, instantaneous delivery, the integrated flow that obtain water sample to be measured, and is sent to said Programmable Logic Controller;
Said Programmable Logic Controller receives the data that said data collector sends, and is sent to said demonstration screen displaying; Said Programmable Logic Controller also is used to calculate the evaporation capacity of said recirculating cooling water system, and is sent to said demonstration screen displaying;
Said demonstration touch-screen also is used for controlling the duty that adds dose and/or solenoid valve of said recirculating cooling water system dosing pump.
Further, said demonstration touch-screen receives the control signal of outside input, controls the duty that adds dose and/or said solenoid valve of said dosing pump.
Further, said demonstration touch-screen internal memory contains the threshold range of conductivity, the threshold range of pH value;
Said demonstration touch-screen is used to receive the data that said Programmable Logic Controller sends, and judges that said data are whether in preset range;
Said demonstration touch-screen also is used for controlling according to judged result the duty that adds dose and/or said solenoid valve of said dosing pump.
Further, said water processing control device also comprises the memory device that links to each other with said demonstration touch-screen, and said memory device is used to preserve the data that said Programmable Logic Controller sends to said demonstration touch-screen.
Further, said memory device is a flash disk.
Further, said data collector comprises conductivity meter, pH value tester, refill flow meter, blowdown flow meter, at least three probes;
A probe is arranged in the moisturizing pipeline in the said recirculating cooling water system, and links to each other with said refill flow meter;
A probe is arranged in the blow-off line in the said recirculating cooling water system, and links to each other with said blowdown flow meter;
Other probe is arranged on the inlet channel in the said recirculating cooling water system, and links to each other with said conductivity meter, said pH value tester;
Said conductivity meter, said PH meter, said refill flow meter, said blowdown flow meter also link to each other with said Programmable Logic Controller respectively.
Further, said data collector also comprises water flow switch, and said water flow switch links to each other with said Programmable Logic Controller, the said probe that is arranged in the inlet channel respectively.
The beneficial effect of the utility model is:
Adopt the utility model technical scheme; Just can detect the water quality situation of water sample in the recirculating cooling water system automatically; Thereby the pharmaceutical quantities that adjustment is in real time added, the water yield of moisturizing, the water yield of blowdown are in the hope of reaching better controlling water quality situation, the water treatment effect of realizing ideal.In addition, the utility model technical scheme has also realized the automatic adjusting of water quality, has simplified operating process, makes saferization of recirculating cooling water system, practicability and hommization.
Description of drawings
Fig. 1 is the formation synoptic diagram of a kind of implementation of the utility model water processing control device;
Fig. 2 is the formation synoptic diagram of the another kind of implementation of the utility model water processing control device.
Embodiment
Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
As shown in Figure 1, the water processing control device in the recirculating cooling water system of the utility model comprises air switch 10, power module 20, Programmable Logic Controller 30, shows touch-screen 40, data collector 50.Concrete annexation is following: power module 20 links to each other with air switch 10, Programmable Logic Controller 30, demonstration touch-screen 40 respectively; Disconnection or close command that power module 20 admission of air switches 10 send are to Programmable Logic Controller 30 and 40 power supplies of demonstration touch-screen; Programmable Logic Controller 30 also links to each other with showing touch-screen 40, data collector 50 respectively.Wherein, data collector 50 is used to gather the conductivity, pH value, instantaneous delivery, the integrated flow that obtain water sample to be measured, and is sent to Programmable Logic Controller 30.Programmable Logic Controller 30 receives the above-mentioned data that data collector 50 sends, and is sent to 40 demonstrations of demonstration touch-screen; Programmable Logic Controller 30 also is used for the evaporation capacity of computation cycles cooling water system, and is sent to 40 demonstrations of demonstration touch-screen, checks for operating personnel.Show touch-screen 40, also be used for the duty that adds dose and/or solenoid valve of Control Circulation cooling water system dosing pump.
Adopt the utility model technical scheme; Just can detect the water quality situation of water sample in the recirculating cooling water system automatically; Thereby the pharmaceutical quantities that adjustment is in real time added, the water yield of moisturizing, the water yield of blowdown are in the hope of reaching better controlling water quality situation, the water treatment effect of realizing ideal.In addition, the utility model technical scheme has also realized the automatic adjusting of water quality, has simplified operating process, makes saferization of recirculating cooling water system, practicability and hommization.
As shown in Figure 2, the water processing control device comprises also and the memory device 60 that shows that touch-screen 40 links to each other that memory device 60 is used to preserve Programmable Logic Controller 30 and sends to the data that show touch-screen 40.Be the data of the aspect such as conductivity, pH value, instantaneous delivery, integrated flow, evaporation capacity of water sample in the recirculating cooling water system.So just can copy and preserve the historical data of water quality situation, for inquiry.Further, memory device 60 can be flash disk.
Further, data collector 50 comprises conductivity meter, pH value tester, refill flow meter, blowdown flow meter, at least three probes.Wherein, a probe is arranged in the moisturizing pipeline in the recirculating cooling water system, and links to each other with the refill flow meter; A probe is arranged in the blow-off line in the recirculating cooling water system, and links to each other with the blowdown flow meter; Other probe is arranged on the inlet channel in the recirculating cooling water system, and links to each other with conductivity meter, pH value tester.Conductivity meter, PH meter, refill flow meter, blowdown flow meter also link to each other with Programmable Logic Controller 30 respectively.The water quality information that collects is sent to Programmable Logic Controller 30, and then is sent to via Programmable Logic Controller 30 and shows that touch-screen 40 shows to operating personnel.
Further, data collector also can comprise water flow switch, and water flow switch links to each other with Programmable Logic Controller 30, the probe that is arranged in the inlet channel respectively.Whether water flow switch reaches requirement through detecting the amount (flow, just liquid flow pressure) that whether liquid flows and flow in the inlet channel, judges the running status of recirculating cooling water system, and is sent to Programmable Logic Controller 30.When water flow switch during to Programmable Logic Controller 30 transmitting systems status information out of service, the water processing control device is outage automatically then, quits work, and this just can be avoided when recirculating cooling water system is out of service, also blindly the problem appearance to system's dosing.
The course of work of facing the water processing control device of the utility model is down carried out brief account.
1. in recirculating cooling water system, lay the data collector 50 of water processing control device.
Cooling tower links to each other with water work (for example tap water supply equipment) through the moisturizing pipeline; A probe is set in the moisturizing pipeline; Gather the water sample in the moisturizing pipeline by probe; And being sent to the refill flow meter, the refill flow meter receives and obtains the refill flow signal, i.e. the instantaneous delivery and the integrated flow of current in the moisturizing pipeline.
Cooling tower receives the backwater in the circulation system through inlet channel, and a probe is set in inlet channel, gathers the water sample in the inlet channel by probe, and is sent to conductivity meter, pH value tester, water flow switch.A probe can be set in inlet channel; This probe sends conductivity meter, pH value tester, water flow switch respectively to after gathering water sample; Also three probes can be set in inlet channel; Promptly probe is corresponding one by one with tester, after probe collects water sample, is transferred to coupled detector (conductivity meter, pH value tester, water flow switch) respectively.
Cooling tower is through the blow-off line current in the recirculating cooling water system of releasing; Fit into the pipeline that waterpipe forms recirculating cooling water system; A probe is set in blow-off line, gathers the water sample in the blow-off line by probe, and be sent to the blowdown flow meter; The blowdown flow meter receives and obtains the blowdown flow signal, i.e. the instantaneous delivery and the integrated flow of current in the blow-off line.
2. data collector 50 obtains the water quality situation of water sample in the recirculating cooling water system, and sends Programmable Logic Controller 30, i.e. PLC.
Conductivity meter is the instrument and equipment that is applicable to the various liquid mediums of precision measurement, mainly is used for the conductivity value of precision measurement liquid medium.The water sample that conductivity meter analysis probe transmits, and obtain conductivity value and be sent to PLC.
The pH value tester mainly is to be used for the pH value of precision measurement liquid medium.The water sample that pH value tester analysis probe transmits, and obtain pH value and be sent to PLC.
Flowmeter be meant be used for indicating measured flux with (or) in the instrument of selected time interval inner fluid total amount.Comprise two kinds of refill flow meter and blowdown flow meters in the utility model.The water sample that flowmeter analysis probe transmits, and obtain and mend the water yield and be sent to PLC with the instantaneous delivery and the integrated flow of discharging the water yield.
Water flow switch is that the water cycle control, Inlet and outlet water control, the water that are used for electric heater, solar water heater, air conditioner and other water systems add processes such as heat control, pump switch control, the control of solenoid valve break-make or water outlet outage, water outlet energising control, after reaching certain flow, current is converted into the senser element of switching regulator electric signal.Water flow switch just can monitor whether the interior current of inlet channel flow and the information such as flow of current, and this information is sent to PLC.
3. the water processing control device shows data measured in real time.
The conductivity value that PLC reception data collector 50 sends, pH value, instantaneous delivery (comprising the instantaneous delivery of current in the moisturizing pipeline and the instantaneous delivery of the interior current of blow-off line), integrated flow (comprising the integrated flow of current in the moisturizing pipeline and the integrated flow of the interior current of blow-off line); And according to the evaporation capacity of the integrated flow value computation cycles cooling water system of current in the integrated flow value of current in the moisturizing pipeline and the blow-off line, the integrated flow of current in the integrated flow-blow-off line of current in evaporation capacity=moisturizing pipeline.At last, PLC is sent to demonstration touch-screen 40 with the data of above-mentioned reaction water quality situation, supplies operating personnel to check.
4. according to real-time testing result, regulate and control the water quality situation of water sample to be measured immediately.
Dosing pumps such as germifuge pump, antisludging agent pump, basicity adjusting pump join with inlet channel respectively, and in backwater, injecting antisludging agent, corrosion inhibiter, germifuge respectively grows with scale inhibition, inhibition and inhibition bacterium algae, adds the pH value of sour agent with the adjustment water sample.
A blowdown solenoid valve is set in the blow-off line of cooling tower, regulates and control the conductivity of water sample through the duty of control blowdown solenoid valve.Solenoid valve is the commercial unit with Electromagnetic Control, is used in direction, flow, speed and other the parameter of adjustment medium in the industrial control system.In the utility model, through control electromagnetic valve open, turn-off or the states such as flow of solenoid valve blowdown are adjusted the water amount of blowdown of cooling tower, and then realize the purpose of adjustment water sample conductivity.
Operating personnel check the water quality situation that monitors through showing touch-screen 40, can adjust the water quality situation through following two kinds of methods.
A kind of is manual regulation and control; Be after operating personnel view the water quality situation; Directly on demonstration touch-screen 40, carry out touch control operation; To dosing pump and solenoid valve input control signal, the control dosing pump injects corresponding medicament in inlet channel through touch-screen, and the duty of control electromagnetic valve (open, shutoff, blowdown flow) is adjusted the conductivity of water quality.
Another kind is an auto-control, shows that promptly the processor memory of touch-screen 40 contains the threshold range of regulating and controlling water quality.For example:
Preserve the threshold range of the conductivity in the recirculating cooling water system; If the conductivity value that data collector 50 feeds back to exceeds threshold range; Then show touch-screen 40 duty of control blowdown solenoid valves (open, shutoff, blowdown flow) automatically, and then regulate the conductivity value of water sample.
Preserve the threshold range of the pH value in the recirculating cooling water system; If the pH value that data collector 50 feeds back to exceeds threshold range; Then show the touch-screen 40 basicity adjusting pump startup of the sour agent of control interpolation automatically, in inlet channel, inject the sulfuric acid that contains corrosion inhibiter, regulate the pH value of water sample.
Perhaps; Show that touch-screen 40 also can be according to the water quality situation of backwater; The work working time through control germifuge pump and the pharmaceutical quantities of interpolation suppress Homonemeae grows, through the work working time of control antisludging agent pump and the pharmaceutical quantities of interpolation eliminating scale inhibition.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (7)

1. the water processing control device in the recirculating cooling water system is characterized in that, comprises air switch, power module, Programmable Logic Controller, demonstration touch-screen, data collector,
Said power module links to each other with said air switch, said Programmable Logic Controller, said demonstration touch-screen respectively, and said air switch is controlled said power module to said Programmable Logic Controller, the power supply of said demonstration touch-screen; Said Programmable Logic Controller also links to each other with said demonstration touch-screen, said data collector respectively;
Said data collector is used to gather the conductivity, pH value, instantaneous delivery, the integrated flow that obtain water sample to be measured, and is sent to said Programmable Logic Controller;
Said Programmable Logic Controller receives the data that said data collector sends, and is sent to said demonstration screen displaying; Said Programmable Logic Controller also is used to calculate the evaporation capacity of said recirculating cooling water system, and is sent to said demonstration screen displaying;
Said demonstration touch-screen also is used for controlling the duty that adds dose and/or solenoid valve of said recirculating cooling water system dosing pump.
2. according to the water processing control device in the described recirculating cooling water system of claim 1, it is characterized in that,
Said demonstration touch-screen receives the control signal of outside input, controls the duty that adds dose and/or said solenoid valve of said dosing pump.
3. according to the water processing control device in the described recirculating cooling water system of claim 1, it is characterized in that,
Said demonstration touch-screen internal memory contains the threshold range of conductivity, the threshold range of pH value;
Said demonstration touch-screen is used to receive the data that said Programmable Logic Controller sends, and judges that said data are whether in preset range;
Said demonstration touch-screen also is used for controlling according to judged result the duty that adds dose and/or said solenoid valve of said dosing pump.
4. according to the water processing control device in claim 1, the 2 or 3 described recirculating cooling water systems, it is characterized in that,
Said water processing control device also comprises the memory device that links to each other with said demonstration touch-screen, and said memory device is used to preserve the data that said Programmable Logic Controller sends to said demonstration touch-screen.
5. according to the water processing control device in the described recirculating cooling water system of claim 4, it is characterized in that said memory device is a flash disk.
6. according to the water processing control device in claim 1, the 2 or 3 described recirculating cooling water systems, it is characterized in that,
Said data collector comprises conductivity meter, pH value tester, refill flow meter, blowdown flow meter, at least three probes;
A probe is arranged in the moisturizing pipeline in the said recirculating cooling water system, and links to each other with said refill flow meter;
A probe is arranged in the blow-off line in the said recirculating cooling water system, and links to each other with said blowdown flow meter;
Other probe is arranged on the inlet channel in the said recirculating cooling water system, and links to each other with said conductivity meter, said pH value tester;
Said conductivity meter, said PH meter, said refill flow meter, said blowdown flow meter also link to each other with said Programmable Logic Controller respectively.
7. according to the water processing control device in the described recirculating cooling water system of claim 6, it is characterized in that,
Said data collector also comprises water flow switch, and said water flow switch links to each other with said Programmable Logic Controller, the said probe that is arranged in the inlet channel respectively.
CN2011202465607U 2011-07-13 2011-07-13 Water treatment controller in recirculated cooling water system Expired - Fee Related CN202159248U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103214069A (en) * 2013-04-25 2013-07-24 佛山市绿建环保科技有限公司 Control system for automatic chemical dosing in flocculation process
CN104374809A (en) * 2013-08-18 2015-02-25 四川锦美环保科技有限公司 Method and device for monitoring evaporation capacity of circulating cooling water
CN105540775A (en) * 2016-01-28 2016-05-04 上海机场(集团)有限公司虹桥国际机场公司 Water treatment system and work method thereof
CN105776368A (en) * 2016-04-15 2016-07-20 中环清新人工环境工程技术(北京)有限责任公司 Cooling water treatment system for central air conditioning system
CN106774020A (en) * 2017-02-16 2017-05-31 神华集团有限责任公司 For the aeration water quality regulating device of spike cooling system
CN107473360A (en) * 2017-08-08 2017-12-15 武汉市园林建筑工程公司 A kind of sewage disposal system
CN107500371A (en) * 2017-08-08 2017-12-22 武汉市园林建筑工程公司 A kind of sewage disposal system
CN107527548A (en) * 2017-10-16 2017-12-29 上海电力学院 Industrial circulating cooling water system synthetic instruction experiment porch
CN112010530A (en) * 2019-05-31 2020-12-01 广州资源环保科技股份有限公司 Treatment system and treatment method applied to polluted bottom mud

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103214069A (en) * 2013-04-25 2013-07-24 佛山市绿建环保科技有限公司 Control system for automatic chemical dosing in flocculation process
CN104374809A (en) * 2013-08-18 2015-02-25 四川锦美环保科技有限公司 Method and device for monitoring evaporation capacity of circulating cooling water
CN105540775A (en) * 2016-01-28 2016-05-04 上海机场(集团)有限公司虹桥国际机场公司 Water treatment system and work method thereof
CN105776368A (en) * 2016-04-15 2016-07-20 中环清新人工环境工程技术(北京)有限责任公司 Cooling water treatment system for central air conditioning system
CN106774020A (en) * 2017-02-16 2017-05-31 神华集团有限责任公司 For the aeration water quality regulating device of spike cooling system
CN107473360A (en) * 2017-08-08 2017-12-15 武汉市园林建筑工程公司 A kind of sewage disposal system
CN107500371A (en) * 2017-08-08 2017-12-22 武汉市园林建筑工程公司 A kind of sewage disposal system
CN107527548A (en) * 2017-10-16 2017-12-29 上海电力学院 Industrial circulating cooling water system synthetic instruction experiment porch
CN112010530A (en) * 2019-05-31 2020-12-01 广州资源环保科技股份有限公司 Treatment system and treatment method applied to polluted bottom mud

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Address after: 100122 No. 106 Nanxinyuan Middle Road, Nanmofang Township, Chaoyang District, Beijing

Patentee after: Beijing Yoshi Chemical Technology Co., Ltd.

Address before: 100021 No. 106, Nanxinyuan Middle Road, Chaoyang District, Beijing (3rd floor)

Patentee before: Beijing Yuedi Chemical Technology Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20120307

Termination date: 20190713