CN201190120Y - Automatic monitoring apparatus for purification and re-use of recirculated cooling water - Google Patents
Automatic monitoring apparatus for purification and re-use of recirculated cooling water Download PDFInfo
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- CN201190120Y CN201190120Y CNU2008200696249U CN200820069624U CN201190120Y CN 201190120 Y CN201190120 Y CN 201190120Y CN U2008200696249 U CNU2008200696249 U CN U2008200696249U CN 200820069624 U CN200820069624 U CN 200820069624U CN 201190120 Y CN201190120 Y CN 201190120Y
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- cooling water
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 43
- 239000000498 cooling water Substances 0.000 title claims abstract description 33
- 238000000746 purification Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 238000012806 monitoring device Methods 0.000 claims abstract description 9
- 238000004088 simulation Methods 0.000 claims description 26
- 239000011440 grout Substances 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 9
- 239000002455 scale inhibitor Substances 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000002070 germicidal effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract 8
- 229940079593 drug Drugs 0.000 abstract 8
- 238000013523 data management Methods 0.000 description 13
- 239000000126 substance Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000003134 recirculating effect Effects 0.000 description 6
- 239000002826 coolant Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Abstract
The utility model discloses an automatic monitoring device for the purification and reuse of circulated cooling water, which comprises a sampling and online instrument mechanism, a monitoring mechanism and a drug adding mechanism, wherein, a sampling submersible pump of the sampling and online instrument mechanism is directly suspended in the circulated water in a pool, and the water outlet pipe of the submersible pump are divided into three ways and respectively enters into a slime collector bypass, an online instrument monitoring bypass and a simulated heat exchanger bypass; the monitoring mechanism comprises a control cabinet and a management computer; the drug adding mechanism comprises a drug adding pump, a drug adding box and a transducer, wherein, the drug adding box is connected with the drug adding pump, and the drug adding pump is connected with the control cabinet and the management computer of the monitoring mechanism through the transducer. The utility model has the advantages that the real-time monitoring of the water quality situation of the circulated cooling water system in power plants is realized, and the drug adding amount can be automatically controlled to purify the water quality of the circulated cooling water to ensure the circulated cooling water to be reused, thus the device has good economic benefit after being popularized.
Description
One, technical field:
The utility model relates to a kind of automatic monitoring circulating cooling water of power plant water quality and realizes that the circulating cooling water purification that the Automatic Dosing function purifies water utilizes automatic monitoring device again.
Two, background technology:
Power plant is very important to the monitoring of recirculated cooling water, when monitoring is ineffective, growing and problem such as foundry loam of fouling, corrosion and microorganism takes place in recirculating cooling water system (particularly interchanger), in the interchanger (condenser) of recirculating cooling water system, form dirt easily, not only influence heat transfer, the blocking pipeline of heat-exchange equipment, and can cause corrosion under the settling.Therefore must be to the strict control of cooling water quality.
In the recirculating cooling water system in fuel-burning power plant, condenser tubing adopts very light copper zinc alloy or stainless steel and the titanium pipe of erosion resistance, and is designed to shell and tube, and flow characteristics is good, and settling is difficult for deposition.Therefore, the main purpose of recirculated cooling water monitoring is to prevent that incrustation scale from producing, and secondly is the controlling microbial growth.Power plant generally makes it reach cycling and reutilization with the water quality that the mode that adds Scale inhibitors and sterilant purifies water coolant.
At present, power plant is in manually-operated virgin state to the monitoring of circulating cooling water quality.Every day by operator at regular intervals the section from the water coolant pond, carry sampling water, send every index (as PH, specific conductivity, redox potential ORP etc.) of laboratory inspection water, observe the lacing film corrosion condition, when the water quality situation occurring and exceed standard, calculate dosing (Scale inhibitors, sterilant) amount and artificial dosing purifies water.This extensive monitoring water quality mode inefficiency can not be made a response fast to the situation of exceeding standard of water, shortens device lifetime; Increase required chemical substance and the processing cost that causes thus, shortened the interval of twice ordinary maintenance; Increase the absorption in water of corrosive deposit and corrosive deposit, increased maintenance cost, unhelpful economically, also complicated to operation.The more important thing is, construction along with large vol, overcritical, ultra supercritical generating set, this monitoring mode that can not make a response fast significant discomfort greatly unit to the monitoring requirement of water quality, it is very fast that the water of large vol, big unit reacts non-constant velocity, reach second, millisecond magnitude, therefore the timeliness of cooling water quality monitoring is also had higher requirement.
Three, utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of energy on-line real time monitoring circulating cooling water of power plant water quality situation is provided and realizes that the recirculated cooling water self-purging that the Automatic Dosing function purifies water utilizes supervisory system again.
The utility model is that the technical scheme that the technical solution problem is taked is:
This device comprises: sampling and in-line meter mechanism, monitoring mechanism, medicating mechanism three parts.
The sampling spot of sampling and in-line meter mechanism is located at the water circulating pump forebay, and a submersible pump directly is suspended in the recirculated water of forebay, and rising pipe divides three the tunnel to enter the bypass of foundry loam collector, in-line meter monitoring bypass and the bypass of simulation interchanger respectively.
Foundry loam collector bypass: enter the pond behind one tunnel sampling water pipe serial connection ball valve of drawing by submersible pump, glass rotameter, the foundry loam collector; Magnetic valve is attempted by the two ends of ball valve.
In-line meter monitoring bypass: enter the pond after another road sample water of being drawn by submersible pump is directly installed on line formula PH instrument, redox potential ORP instrument, conductivity meter; The water quality parameter that PH instrument, redox potential ORP instrument, conductivity meter are measured is sent to housing and microsystem.
Simulation interchanger bypass: behind a ball valve of another road sampling water pipe serial connection of being drawn by submersible pump, electronic grout flow meter, manual modulation valve valve, glass rotameter, ball valve, film hangers, ball valve, simulation interchanger (condenser), ball valve, film hangers, the ball valve, draining enters the pond; Manual modulation valve two ends between electronic grout flow meter and the glass rotameter also connect a solenoid valve; The two ends of " ball valve, film hangers, ball valve " two sections pipelines respectively and connect a ball valve;
The side of simulation interchanger is equipped with liquidometer, inner close bottom is equipped with constent temperature heater, water inlet place and the water outlet place two ends of the heat transfer tube of simulation interchanger inside are equipped with Inlet and outlet water temperature sensor and glass-stem thermometer, and the simulation interchanger is inner to be equipped with vapor temperature transmitter and glass-stem thermometer near the top.
The vapor temperature sensor signal teletransmission of the Inlet and outlet water temperature sensor signal of the flow signal of electronic grout flow meter, water inlet place of heat transfer tube and water outlet place and simulation interchanger inner tip is to housing and microcomputer.
Monitoring mechanism: comprise housing and supervisory computer.
Housing is located at the recirculating cooling water system scene, the take off data of online PH instrument, redox potential ORP instrument, conductivity meter, the data of the inlet temperature of simulation interchanger, temperature out, vapor temperature, the data of electronic grout flow meter all show at this, and 485 communication ports by supervisory computer are sent to the supervisory computer that is located at chemical another arena office.
Supervisory computer is located at chemical another arena office, operation " data management and Expert Supporting System " in the machine, instrument is carried out communication by 485 communication ports of supervisory computer with " data management and Expert Supporting System " software in the housing, realizes the microcomputer on-line monitoring." data management and Expert Supporting System " can carry out parameters such as on-line monitoring and automatic measuring and calculating fouling resistance value by intelligence instrument to simulation interchanger inlet temperature, temperature out, vapor temperature, can carry out on-line monitoring to the flow of recirculated cooling water by electronic grout flow meter.
The function of " data management and the Expert Supporting System " of operation is to finish the data management of recirculated cooling water being handled all parameters in the computer machine, and the adjustment measure is provided, and possesses the remote data management, carries out the long range data support.Software has interfaces such as master control face, device flow process, display surface, and the curve and the form of data are realized in SQL database.
Medicating mechanism comprises dosing pump, dosing tank, frequency transformer three parts again.Frequency transformer is installed in housing inside; The dosing pump of Scale inhibitors, sterilant is located at the recirculated water forebay; Scale inhibitors, sterilant dosing tank link to each other with dosing pump respectively.2 frequency transformers in control signal that supervisory computer the sends control housing are controlled the rotating speed of Scale inhibitors, sterilant dosing pump respectively by frequency conversion, realize adding the variation of dose.
Positive beneficial effect of the present utility model is:
1, the utility model has been realized the real-time monitoring of circulating cooling water of power plant system water quality situation, and can control automatically and add dose and with the water quality of decontamination cycle water coolant it is reached to utilize again.
2, the utility model has been realized the meticulous monitoring of water quality situation, can make a response the extension fixture life-span fast to the situation that exceeds standard of water; Reduce required chemical substance and the processing cost that causes thus, prolonged the interval of twice ordinary maintenance; Reduce corrosive deposit and the absorption of corrosive deposit in water, reduced maintenance cost, useful economically, also useful to operation.
3, the utility model is reasonable in design, adopts full automatic control, significantly reduces manpower, and reduces the labour intensity of manpower, time and labour saving.
4, the utility model is applied widely, is applicable to that particularly large vol, big unit to the timing monitoring that the self-purging of recirculating cooling water system water quality utilizes again, have good economic benefit after the popularization.
Four, description of drawings:
Fig. 1 utilizes the structural representation of automatic monitoring device again for circulating cooling water purification.
Five, embodiment:
Embodiment: referring to Fig. 1, among the figure, among the figure, circulating cooling water purification utilizes automatic monitoring device to contain sampling and in-line meter mechanism, monitoring mechanism and medicating mechanism again, wherein, the sampling submersible pump 1 of sampling and in-line meter mechanism directly is suspended in the recirculated water in pond, and the rising pipe of submersible pump 1 divides three the tunnel to enter the bypass of foundry loam collector, in-line meter monitoring bypass and the bypass of simulation interchanger respectively.
The bypass of foundry loam collector is made up of submersible pump 1, ball valve 2, magnetic valve 3, glass rotameter 4, foundry loam collector 5, water shoot 6, pond 38.
In-line meter monitoring bypass is made up of submersible pump 1, PH instrument 7, ORP instrument 8, conductivity meter 9, water shoot 10, pond 38.
The bypass of simulation interchanger is by submersible pump 1, ball valve 11, electronic grout flow meter 12, manual modulation valve 13, solenoid valve 14, glass rotameter 15, ball valve 16, film hangers 17, ball valve 18, ball valve 19, simulation interchanger 20, ball valve 21, film hangers 22, ball valve 23, ball valve 24, water shoot 25, pond 38 are formed.Wherein simulating interchanger 20 is made up of constent temperature heater 26, liquidometer 27, vapor temperature transmitter 28, steam glass-stem thermometer 29, water supplement port 30, heat transfer tube 31, leaving water temperature(LWT) transmitter 32, water outlet glass-stem thermometer 33, inflow temperature transmitter 40, water inlet glass-stem thermometer 39 etc.
Monitoring mechanism is made up of microcomputer 34, housing 35.
Medicating mechanism is made up of Scale inhibitors dosing pump 36, sterilant dosing pump 37, pond 38.
Principle of work:
The foundry loam filter bypass: during work, the sampling water inlet of being drawn by submersible pump 1 or control automatically or manually control through magnetic valve 3 through ball valve 2 is passed through foundry loam collector 5 after entering glass rotameter 4 dominant discharge again, enters the pond along water shoot 6; When not working, ball valve 2 and magnetic valve 3 all are in closing condition.This bypass is looked the actual needs of power plant and is in work or off-position.
In-line meter monitoring bypass: after online PH instrument 7, redox potential ORP instrument 8, conductivity meter 9 were measured the sampling water inlet of being drawn by submersible pump 1, the output water quality parameter was given housing 35 and microsystem 34.
The bypass of simulation interchanger:
Before and after the simulation interchanger, be equipped with corrosion coupon frame 17,22, can respectively hang 4 test pieces, in order to measurement corrosion condition directly perceived; When needs were observed the corrosion condition of lacing film, the ball valve 16,18 of closing film hangers 17 two ends was opened ball valve 19 in parallel with it; Close the ball valve 21,23 at film hangers 22 two ends, open ball valve 24 in parallel with it.
Sample water enters water shoot 25 behind simulation interchanger 20.Water shoot 25 is connected to circulating water pool 38 or to the diversion channel of water circulating pump forebay.The simulation interchanger does not have influence substantially to its chemical ingredients, so backwater also can enter circulating water system.
Monitoring mechanism: comprise housing 35 and supervisory computer 34.Housing 35 is located at the recirculating cooling water system scene, the take off data of online PH instrument 7, redox potential ORP instrument 8, conductivity meter 9, the data of the inlet temperature sensor 40 of simulation interchanger, outlet temperature sensor 32, vapor temperature transmitter 28, the data of electronic grout flow meter 12 all show at this, and 485 communication ports by supervisory computer 34 are sent to the supervisory computer 34 that is located at chemical another arena office.Operation " data management and Expert Supporting System " in the machine of supervisory computer 34, instrument is carried out communication by 485 communication ports of supervisory computer with " data management and Expert Supporting System " software in the housing, realizes the microcomputer on-line monitoring." data management and Expert Supporting System " can carry out parameters such as on-line monitoring and automatic measuring and calculating fouling resistance value by intelligence instrument to circulating water intake temperature, temperature out, vapor temperature, can carry out on-line monitoring to the flow of recirculated cooling water by electronic grout flow meter.
The function of " data management and the Expert Supporting System " of operation is to finish the data management of recirculated cooling water being handled all parameters in the computer machine, and the adjustment measure is provided, and possesses the remote data management, carries out the long range data support.Software has interfaces such as master control face, device flow process, display surface, and the curve and the form of data are realized in SQL database." data management and Expert Supporting System " handles the supervision of operation condition to the judgement of water coolant chemical treatment scheme with to recirculated cooling water, and be all very effective.
Claims (4)
1, a kind of circulating cooling water purification utilizes automatic monitoring device again, contain sampling and in-line meter mechanism, monitoring mechanism and medicating mechanism, it is characterized in that: the sampling submersible pump of described sampling and in-line meter mechanism directly is suspended in the recirculated water in pond, the rising pipe of submersible pump divides three the tunnel to enter the bypass of foundry loam collector, in-line meter monitoring bypass and the bypass of simulation interchanger respectively, wherein
The bypass of foundry loam collector: feed the pond after the first via sampling water pipe of being drawn by submersible pump is connected in series ball valve, glass rotameter, foundry loam strainer successively, and the two ends of this ball valve and the two ends of magnetic valve connect also,
In-line meter monitoring bypass: feed the pond after the second tunnel sampling water pipe of being drawn by submersible pump is directly installed on line formula PH instrument, redox potential ORP instrument, conductivity meter; The water quality parameter that PH instrument, redox potential ORP instrument, conductivity meter are measured is sent to the housing and the supervisory computer of monitoring mechanism,
Simulation interchanger bypass: feed the pond after the Third Road sampling water pipe of being drawn by submersible pump is connected in series ball valve, electronic grout flow meter, manual modulation valve, glass rotameter, ball valve, film hangers, ball valve, simulation interchanger, ball valve, film hangers, ball valve successively; And the manual modulation valve two ends between electronic grout flow meter and the glass rotameter also connect a solenoid valve; The ball valve at film hangers and two ends and another one ball valve also connect; The flow signal of electronic grout flow meter is sent to the housing and the supervisory computer of monitoring mechanism,
Described monitoring mechanism: comprise housing and supervisory computer,
Described medicating mechanism: comprise dosing pump, dosing tank and frequency transformer three parts, dosing tank links to each other with dosing pump, and dosing pump is connected with supervisory computer with the housing of monitoring mechanism by frequency transformer.
2, circulating cooling water purification according to claim 1 utilizes automatic monitoring device again, it is characterized in that: the side of described simulation interchanger is equipped with liquidometer, its inner close bottom is equipped with constent temperature heater, its top is equipped with heat transfer tube, the ball valve of the two ends of this heat transfer tube before respectively at film hangers is communicated with, heat transfer tube water inlet place and water outlet place are equipped with Inlet and outlet water temperature sensor and glass-stem thermometer, and the simulation interchanger is inner to be equipped with vapor temperature transmitter and glass-stem thermometer near the top; Described Inlet and outlet water temperature sensor signal, described vapor temperature sensor signal are sent to the housing and the supervisory computer of monitoring mechanism.
3, circulating cooling water purification according to claim 1 utilizes automatic monitoring device again, it is characterized in that: described Teat pipette, dosing tank and frequency transformer are two, form two groups, one group adds Scale inhibitors, another organizes adding of germicide, and two frequency transformers are installed in housing inside, two frequency transformers of control signal control that supervisory computer sends, by controlling the rotating speed of Scale inhibitors, sterilant dosing pump after the frequency conversion respectively, realize adding the variation of dose.
4, utilize automatic monitoring device again according to claim 1 or 2 or 3 described circulating cooling water purifications, it is characterized in that: be provided with four lacing films in the described film hangers.
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CNU2008200696249U CN201190120Y (en) | 2008-03-18 | 2008-03-18 | Automatic monitoring apparatus for purification and re-use of recirculated cooling water |
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CNU2008200696249U CN201190120Y (en) | 2008-03-18 | 2008-03-18 | Automatic monitoring apparatus for purification and re-use of recirculated cooling water |
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CNU2008200696249U Expired - Fee Related CN201190120Y (en) | 2008-03-18 | 2008-03-18 | Automatic monitoring apparatus for purification and re-use of recirculated cooling water |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102230577A (en) * | 2011-05-19 | 2011-11-02 | 浙江大学 | Comprehensive water quality simulation test system for quasi-closed circulation pipe network |
CN101699295B (en) * | 2009-11-18 | 2013-01-02 | 广州市怡文环境科技股份有限公司 | Integral cabinet type water quality automatic monitoring device |
CN103121765A (en) * | 2013-02-22 | 2013-05-29 | 北京天御太和环境技术有限公司 | Water containing machine set of circulating water system |
CN103463959A (en) * | 2012-06-06 | 2013-12-25 | 哈尔滨市浙青除尘脱硫设备配件加工厂 | Desulfurization liquid pH value sampling system capable of clarifying slurry and preventing slurry plugging |
CN108961978A (en) * | 2018-08-01 | 2018-12-07 | 广东晟嘉瑞环保科技有限公司 | A kind of industrial circulating cooling water dynamic simulation system |
CN110092488A (en) * | 2019-04-28 | 2019-08-06 | 导洁(北京)环境科技有限公司 | The method for treating water of heating and ventilating equipment based on Internet of Things intelligent management band refrigeration |
CN111398526A (en) * | 2020-03-31 | 2020-07-10 | 广东省石油与精细化工研究院 | Recirculated cooling water monitoring heat transfer system |
-
2008
- 2008-03-18 CN CNU2008200696249U patent/CN201190120Y/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101699295B (en) * | 2009-11-18 | 2013-01-02 | 广州市怡文环境科技股份有限公司 | Integral cabinet type water quality automatic monitoring device |
CN102230577A (en) * | 2011-05-19 | 2011-11-02 | 浙江大学 | Comprehensive water quality simulation test system for quasi-closed circulation pipe network |
CN103463959A (en) * | 2012-06-06 | 2013-12-25 | 哈尔滨市浙青除尘脱硫设备配件加工厂 | Desulfurization liquid pH value sampling system capable of clarifying slurry and preventing slurry plugging |
CN103121765A (en) * | 2013-02-22 | 2013-05-29 | 北京天御太和环境技术有限公司 | Water containing machine set of circulating water system |
CN103121765B (en) * | 2013-02-22 | 2014-04-09 | 北京天御太和环境技术有限公司 | Water containing machine set of circulating water system |
CN108961978A (en) * | 2018-08-01 | 2018-12-07 | 广东晟嘉瑞环保科技有限公司 | A kind of industrial circulating cooling water dynamic simulation system |
CN110092488A (en) * | 2019-04-28 | 2019-08-06 | 导洁(北京)环境科技有限公司 | The method for treating water of heating and ventilating equipment based on Internet of Things intelligent management band refrigeration |
CN111398526A (en) * | 2020-03-31 | 2020-07-10 | 广东省石油与精细化工研究院 | Recirculated cooling water monitoring heat transfer system |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20110318 |