CN207528083U - Firepower electrical plant cooling water circulation medicine system - Google Patents
Firepower electrical plant cooling water circulation medicine system Download PDFInfo
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- CN207528083U CN207528083U CN201721629386.8U CN201721629386U CN207528083U CN 207528083 U CN207528083 U CN 207528083U CN 201721629386 U CN201721629386 U CN 201721629386U CN 207528083 U CN207528083 U CN 207528083U
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- water
- cooling
- cooling water
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Abstract
The utility model is related to a kind of firepower electrical plant cooling water circulation medicine systems, the water inlet of water supply pump connects the effluent pipe mouth of cooling pond by pumping conduit, pH sensor is provided on pumping conduit, the water inlet of first cooling tower connects the cooling water outlet of condenser by outlet conduit, outlet conduit connects sulphuric acid tank by mending acid tube road, it mends and is provided with acid adding metering pump on acid tube road, outlet conduit connects medicine storing pot by drug feeding pipeline, dosing metering pump is provided in drug feeding pipeline, pH sensor connects controller by signal wire, controller connects acid adding metering pump and dosing metering pump by control line.The utility model, into the pH value of the cooling water of condenser, is controlled the dosing into cooling water recirculation system by controller according to pH value, realizes the Automatic Dosing of cooling water recirculation system by pH sensor detection.
Description
Technical field：
The utility model belongs to thermal power generating technology field, and in particular to a kind of firepower electrical plant cooling water circulation dosing system
System.
Background technology：
During thermal power generation, the steam that steam turbine did work(is passed through condenser, and cooling water is cold by steam in condenser
But it is used into condensate-water polishing.In the process, cooling water absorbs heat heating, and in order to utilize cooling water circulation, setting is cold
But water circulation system, cooling water recirculation system are the important components in thermal power plant, it be cooling water after will heat up again
Secondary cooling Posterior circle uses.But the problems such as to prevent fouling in condenser, condenser are higher to the quality requirements of cooling water,
At present, be ensure cooling water quality, technical staff by the cooling water into cooling water recirculation system add in water quality stabilizer,
The medicaments such as fungicide, by the corrosion of the fouling of medicament effective ground control loop cooling water system, control device and piping simultaneously
Inhibit the growth of microorganism in water.For meet firepower electrical plant condensation process equipment to water quality requirement, ensure normally produce, extend
Equipment and the service life of piping have particularly important meaning.
But current cooling water recirculation system is in dosing, the artificial water quality to cooling circulating water of generally use into
Row regularly checks chemical examination, according to result of laboratory test and the deviation situation of norm standard, is put into cooling water recirculation system certain
The medicament of amount starts Teat pipette dosing.Whole process time length, heavy workload, interference from human factor is heavier, influences cooling water
Water quality.
Utility model content：
In conclusion in order to overcome the shortcomings of prior art problem, the utility model provides a kind of firepower electrical plant cooling
Water recycles medicine system, it is that pH sensor is set on the water inlet pipe of condenser, is detected by pH sensor and enters condensation
The pH value of the cooling water of device controls the dosing into cooling water recirculation system by controller according to pH value, realizes cooling water circulation
The Automatic Dosing of system.
In order to solve the above technical problems, what the technical solution of the utility model was realized in：
A kind of firepower electrical plant cooling water circulation medicine system, wherein：Including condenser, the first cooling tower, water supply pump and cold
But pond, the cooling water intake of the condenser connect the water outlet of water supply pump, the water supply pump by inlet channel
Water inlet the effluent pipe mouth of cooling pond is connected by pumping conduit, be provided with pH sensor on the pumping conduit,
The water inlet of the cooling pond connects the water outlet of the first cooling tower by water return pipeline, is set on the water return pipeline
There is back-water valve (BWV), the water inlet of first cooling tower connects the cooling water outlet of condenser by outlet conduit, and described goes out
Waterpipe connects sulphuric acid tank by mending acid tube road, and acid adding metering pump, the outlet conduit are provided on the benefit acid tube road
Medicine storing pot is connected by drug feeding pipeline, is provided with dosing metering pump in the drug feeding pipeline, the pH sensor passes through
Signal wire connects controller, and the controller connects acid adding metering pump and dosing metering pump by control line.
Further, temperature sensor is provided on the water outlet of first cooling tower, first cooling tower
Water outlet is in charge of the water inlet of the second cooling tower of connection by return water, and the water outlet of second cooling tower passes through water return pipeline
Cooling pond is connected, the return water, which is in charge of, is provided with inlet valve, and the temperature sensor is connected by signal wire and controlled
Device, the controller connect inlet valve by control line.
Further, moisturizing pipeline is provided on the water return pipeline, water compensating valve and small pump are provided in moisturizing pipeline,
The water compensating valve and small pump connects controller by control line.
Further, liquid level sensor is provided on the cooling pond, the liquid level sensor is connected by signal wire
Connect controller.
The beneficial effects of the utility model are：
1st, the utility model is that pH sensor is set on the water inlet pipe of condenser, is entered by pH sensor detection cold
The pH value of the cooling water of condenser controls the dosing into cooling water recirculation system by controller according to pH value, realizes that cooling water follows
The Automatic Dosing of loop system, the pH value of the cooling water in condenser water inlet pipe is excessively high, then illustrates the carbonate alkalinity in cooling water
Greatly, cooling water is easier fouling, and pH value is too low in cooling water, then illustrates that the carbonate alkalinity of cooling water is small, and cooling water is acid big
Easily corrode pipeline.The utility model enters the pH value of the cooling water of condenser by pH sensor detection, as the pH of detection
It is worth excessive, then controller control acid adding metering pump adds in sulfuric acid into cooling water, and profit neutralizes with sulfuric acid the carbonate in cooling water
Basicity, carbonate alkalinity reduce, thus the possibility of calcium carbonate scaling just artificially reduces, when the pH value of detection is too small, then
Controller control dosing metering pump adds corrosion inhibiter into pipeline to solve the problems, such as cooling water corrosion, and dosing meter is controlled by pH value
The keying of amount pump and acid adding metering pump, realizes automatically controlling for dosing.
2nd, temperature sensor is provided on the water return pipeline of the utility model, passes through the first cooling tower of temperature sensor monitors
Leaving water temperature, when leaving water temperature is excessively high, controller control inlet valve open, the first cooling tower water after cooling, from return water
It is in charge of into the second cooling tower, is sent into after the second cooling tower cools down again spare in cooling pond.
The 3rd, liquid level sensor is set on the cooling pond of the utility model, liquid level sensor detects liquid level in cooling pond,
When cooling pond liquid level is less than setting value, controller control small pump and water compensating valve supplement cooling water into cooling pond.
Description of the drawings：
Fig. 1 is the structure diagram of the utility model
1. condenser, 2. first cooling towers, 3. water supply pumps, 4. cooling ponds, 5. inlet channels, 6. pumping conduits, 7.pH
Be worth sensor, 8. water return pipelines, 9. back-water valve (BWV)s, 10. outlet conduits, 11. mend acid tube roads, 12. sulphuric acid tanks, 13. acid adding metering pumps,
14. drug feeding pipeline, 15. medicine storing pots, 16. dosing metering pumps, 17. controllers, 18. temperature sensors, 19. return water are in charge of, 20.
Two cooling towers, 21. inlet valves, 22. moisturizing pipelines, 23. water compensating valves, 24. small pumps, 25. liquid level sensors.
Fig. 2 is the control principle drawing of the utility model
7.pH values sensor, 9. back-water valve (BWV)s, 13. acid adding metering pumps, 16. dosing metering pumps, 17. controllers, 18. temperature pass
Sensor, 21. inlet valves, 23. water compensating valves, 24. small pumps, 25. liquid level sensors.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of firepower electrical plant cooling water circulation medicine system including condenser 1, cooling tower 2, supplies water
Pump 3 and cooling pond 4, the cooling water intake of the condenser 1 connect the water outlet of water supply pump 3, institute by inlet channel 5
The water inlet of water supply pump 3 stated connects the effluent pipe mouth of cooling pond 4 by pumping conduit 6, is set on the pumping conduit 6
There is a pH sensor 7, the water inlet of the cooling pond 4 connects the water outlet and the of the first cooling tower 2 by water return pipeline 8
The water outlet of two cooling towers 20 is provided with back-water valve (BWV) 9 on the water return pipeline 8, and back-water valve (BWV) 9 connects controller by control line
17, liquid level sensor 25 is provided on cooling pond 4, the liquid level sensor 25 passes through signal wire and connects controller 17.Institute
Temperature sensor 18 is provided on the water outlet of the first cooling tower 2 stated, the water outlet of first cooling tower 2 passes through return water
It is in charge of the water inlet of 19 the second cooling towers of connection 20, the return water, which is in charge of on 19, is provided with inlet valve 21, and the temperature passes
Sensor 18 connects controller 17 by signal wire, and the controller 17 connects inlet valve 21 by control line.Described second
Check valve is provided on the water outlet of cooling tower 20.The water inlet of first cooling tower 2 is connected cold by outlet conduit 10
The cooling water outlet of condenser 1, the outlet conduit 10 connect sulphuric acid tank 12, the benefit acid tube road 11 by mending acid tube road 11
On be provided with acid adding metering pump 13, the outlet conduit 10 passes through drug feeding pipeline 14 and connects medicine storing pot 15, the chemical feed pipe
Dosing metering pump 16 is provided on road 14, the pH sensor 7 connects controller 17, the controller by signal wire
17 connect acid adding metering pump 13 and dosing metering pump 16 by control line.The return water, which is in charge of on 19, is provided with dosing metering pump
16, the dosing metering pump 16 connects medicine storing pot 15 by pipeline and return water is in charge of 19.It is provided on the water return pipeline 8
Moisturizing pipeline 22 is provided with water compensating valve 23 and small pump 24 in moisturizing pipeline 22, and the water compensating valve 23 and small pump 24 pass through
Control line connects controller 17.
In use, the cooling water in cooling pond 4 is delivered to condenser 1 through water supply pump 3, in condenser 1 and after acting
Steam carry out heat exchange, steam is condensed into condensed water and continues to be fed into boiler, the raising of cooling water endothermic temperature, and temperature is raised cold
But water is flowed out from the cooling water outlet of condenser 1, after outlet conduit 10 enters the cooling of the first cooling tower 2, from the first cooling tower 2
Water outlet outflow, reenter cooling pond 4, be provided with temperature sensor 18 on the water outlet of the first cooling tower 2, temperature passes
Sensor 18 detects the cooling water temperature of the water outlet of the first cooling tower 2, and the temperature information is passed to controller 17, when this
When temperature information is less than set temperature, back-water valve (BWV) 9 is opened, and cooling water enters cooling pond 4 and stores, and is set when the temperature information is higher than
During definite value, back-water valve (BWV) 9 is closed, and inlet valve 21 is opened, and the cooling water of the first cooling tower 2 outflow enters the second cooling tower 20, the
It is cooled down again in two cooling towers 20, again water outlet of the cooling water after cooling through the second cooling tower 20, water return pipeline 8 enters cold
But pond 4 stores.Liquid level sensor 25 is provided on the cooling pond 4, in the liquid level sensor 25 detection cooling pond 4
Liquid level, and liquid level information is passed into controller 17, when the liquid level information is less than setting liquid level, controller 17 controls moisturizing
Valve 23 and small pump 24 are opened, and back-water valve (BWV) 9 is closed, at this point, the replenishment cycles cooling water into cooling pond 4 of small pump 24.
When the pH value of cooling water is excessively high, then illustrate that the carbonate alkalinity in cooling water is big, cooling water is easier fouling, cooling
PH value is too low in water, then illustrates that the carbonate alkalinity of cooling water is small, and cooling water acidity easily corrodes pipeline greatly.The utility model
PH sensor 7 is provided on pumping conduit 6, pH sensor 7 detects the basicity of the cooling water flowed out from cooling pond 4, and
PH value is passed into controller 17, when the pH value of the cooling water of detection is more than setting range, controller 17 controls acid adding metering
Pump 13 starts, and sulfuric acid is added in into cooling water, and profit neutralizes with sulfuric acid the carbonate alkalinity in cooling water, and carbonate alkalinity is reduced
, thus the possibility of calcium carbonate scaling just artificially reduces, when the pH value of detection reaches setting range, controller 17 controls
Acid adding metering pump 13 is stopped, and stops acid adding.When the pH value of detection is less than setting value, then controller 17 controls dosing metering
Pump 16 adds corrosion inhibiter into pipeline to solve the problems, such as cooling water corrosion, dosing metering pump 16 and acid adding is controlled to measure by pH value
The keying of pump 13, realizes automatically controlling for dosing.
It is noted that embodiment described above is to the illustrative and not limiting of technical solutions of the utility model, affiliated skill
The equivalent replacement of art field those of ordinary skill or the other modifications made according to the prior art, as long as not new beyond this practicality
The thinking and range of type technical solution should be included within the interest field required by the utility model.
Claims (4)
1. a kind of firepower electrical plant cooling water circulation medicine system, it is characterised in that：Including condenser（1）, cooling tower（2）, supply water
Pump（3）And cooling pond（4）, the condenser（1）Cooling water intake pass through inlet channel（5）Connect water supply pump（3）
Water outlet, the water supply pump（3）Water inlet pass through pumping conduit（6）Connect cooling pond（4）Effluent pipe mouth, it is described
Pumping conduit（6）On be provided with pH sensor（7）, the cooling pond（4）Water inlet pass through water return pipeline（8）Even
Logical first cooling tower（2）Water outlet, the water return pipeline（8）On be provided with back-water valve (BWV)（9）, first cooling tower
（2）Water inlet pass through outlet conduit（10）Connect condenser（1）Cooling water outlet, the outlet conduit（10）Pass through benefit
Acid tube road（11）Connect sulphuric acid tank（12）, the benefit acid tube road（11）On be provided with acid adding metering pump（13）, the water outlet
Pipeline（10）Pass through drug feeding pipeline（14）Connect medicine storing pot（15）, the drug feeding pipeline（14）On be provided with dosing metering pump
（16）, the pH sensor（7）Controller is connected by signal wire（17）, the controller（17）Connected by control line
Connect acid adding metering pump（13）And dosing metering pump（16）.
2. firepower electrical plant cooling water circulation medicine system according to claim 1, it is characterised in that：First cooling
Tower（2）Water outlet on be provided with temperature sensor（18）, first cooling tower（2）Water outlet be in charge of by return water
（19）Connect the second cooling tower（20）Water inlet, second cooling tower（20）Water outlet pass through water return pipeline（8）Even
Logical cooling pond（4）, the return water is in charge of（19）On be provided with inlet valve（21）, the temperature sensor（18）Pass through letter
Number line connection controller（17）, the controller（17）Inlet valve is connected by control line（21）.
3. firepower electrical plant cooling water circulation medicine system according to claim 1, it is characterised in that：The water return pipeline
（8）On be provided with moisturizing pipeline（22）, moisturizing pipeline（22）On be provided with water compensating valve（23）And small pump（24）, the moisturizing
Valve（23）And small pump（24）Controller is connected by control line（17）.
4. firepower electrical plant cooling water circulation medicine system according to claim 1, it is characterised in that：The cooling pond
（4）On be provided with liquid level sensor（25）, the liquid level sensor（25）Controller is connected by signal wire（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629386.8U CN207528083U (en) | 2017-11-29 | 2017-11-29 | Firepower electrical plant cooling water circulation medicine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629386.8U CN207528083U (en) | 2017-11-29 | 2017-11-29 | Firepower electrical plant cooling water circulation medicine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207528083U true CN207528083U (en) | 2018-06-22 |
Family
ID=62580936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629386.8U Expired - Fee Related CN207528083U (en) | 2017-11-29 | 2017-11-29 | Firepower electrical plant cooling water circulation medicine system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207528083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741164A (en) * | 2017-11-29 | 2018-02-27 | 郑州荣奇热电能源有限公司 | Firepower electrical plant cooling water circulation medicine system |
-
2017
- 2017-11-29 CN CN201721629386.8U patent/CN207528083U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741164A (en) * | 2017-11-29 | 2018-02-27 | 郑州荣奇热电能源有限公司 | Firepower electrical plant cooling water circulation medicine system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180622 Termination date: 20181129 |