CN109931801A - A kind of power plant circulating cooling water tower basin automatic water replenishing system and method for supplementing water - Google Patents
A kind of power plant circulating cooling water tower basin automatic water replenishing system and method for supplementing water Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 239000000498 cooling water Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000001502 supplementing effect Effects 0.000 title abstract description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 31
- 238000001704 evaporation Methods 0.000 claims abstract description 25
- 230000008020 evaporation Effects 0.000 claims abstract description 25
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 239000000460 chlorine Substances 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 4
- 201000004384 Alopecia Diseases 0.000 claims description 2
- 208000024963 hair loss Diseases 0.000 claims description 2
- 230000003676 hair loss Effects 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims description 2
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 238000011897 real-time detection Methods 0.000 abstract description 9
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000840 electrochemical analysis Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 241000242583 Scyphozoa Species 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002453 shampoo Substances 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses power plant circulating cooling water tower basin automatic water replenishing system and method for supplementing water, including moisturizing main pipe, blowdown main pipe and circulation main pipe, moisturizing main pipe and blowdown main pipe are fitted with online flowmeter and electronic pitch, real-time detection and adjustment flow；Moisturizing main pipe and circulation main pipe are fitted with online chloride ion instrument, and the concentration rate of cooling water is calculated in chloride ion content in real-time detection water；Condenser inlet and outlet is fitted with online thermometer in circulation main pipe, and real-time detection water temperature simultaneously calculates temperature difference between the inlet and outlet water △ T；Circulation main pipe is equipped with online flowmeter, real-time detection quantity of circulating water；Outdoor temperature T on-line checking；According to the above detection data, the present invention can accurately calculate tower basin rate of water make-up, evaporation capacity and blowdown flow rate, then pass through the continuous adjustment of moisturizing and the electronic pitch of blowdown, realize that thermal power plant accurately uses water, avoid there is a phenomenon where excessive with water, arbitrarily discharge, it is final to realize water-saving and emission-reducing, fund is saved, creates value for power plant.
Description
Technical field
The present invention relates to the technical field of water consumption, in particular to a kind of power plant circulating cooling water tower basin is automatic
Water charging system and method for supplementing water.
Background technique
Thermal power plant is industrial water rich and influential family, and water consumption and displacement are very huge, as country is " energy saving
Method ", " Law on Environmental Protection ", " water prevention and cure of pollution action plan " (referred to as " ten, water ") and use water, drainage charge policy accordingly
The successive appearance and implementation of a series of law & policies such as (water resources taxes, exceeded are taken drainage fee), to Water Demand for Thermal Power Plants,
Displacement and water quality have stringent index limitation；Currently, evaporation loss water and row in power plant circulating cooling water tower basin
Sewage quantity is larger, accounts for about 90% or more of full station-service water, and be not accurately controlled with water and draining, there are excessive use
Water easily causes water resource waste, while increasing the production cost of enterprise, how to solve thermal power plant and follow arbitrarily the phenomenon that discharge
The control problem of the ring moisturizing of cooling water tower basin and draining, becomes skilled person's urgent problem to be solved.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of power plant circulating cooling water tower basin automatic water replenishing system and benefit
Water method.
Particular content is as follows: a kind of power plant circulating cooling water tower basin automatic water replenishing system, the system include circulating cooling
Water tower pond, former pond, pollution discharge pond, connection former pond and the moisturizing main pipe of recirculated cooling water tower basin are connected to recirculated cooling water tower basin
With the blowdown main pipe of pollution discharge pond and the equal circulation main pipes that is connected to recirculated cooling water tower basin, it is characterized in that:
Online chloride ion instrument first, electronic pitch first and online stream have been in turn switched on from former pond in the moisturizing main pipe
Meter first, the flow direction of water flows to recirculated cooling water tower basin, self-circulation cold in the blowdown main pipe from former pond in moisturizing main pipe
But water tower pond has in turn switched on online flowmeter second and electronic pitch second, and water flows to self-loopa cooling tower in blowdown main pipe
Pond flows to pollution discharge pond, temperature point first, water circulating pump, condenser has been in turn switched in the circulation main pipe, in linear flow rate
Meter third, temperature point second and online chloride ion instrument second.
A kind of power plant circulating cooling water tower basin automatic water supplement method, this method use a kind of above-mentioned circulating
Cooling water tower basin automatic water replenishing system, it is characterized in that: setting the online refill flow of recirculated cooling water tower basin as online flowmeter first
Flow detection data Q1, the online blowdown water flow of recirculated cooling water tower basin be online flowmeter second flow detection data Q2, follow
The online circulating water flow of ring cooling water tower basin is the flow detection data Q of online flowmeter third3, recirculated cooling water tower basin evaporation
Lose flow Q4, recirculated cooling water tower basin windage loss flow Q5, temperature point first be detected as condenser Inlet water temperature T1, temperature
Degree measuring point second is detected as condenser exit water temperature degree T2, outdoor temperature T, online chloride ion instrument first detection former pond in water chlorine
Ion concentration Cl1, in online chloride ion instrument second detection circulation main pipe water chloride ion content Cl2；Include the following steps:
1. calculating recirculated cooling water tower basin evaporation loss flow Q4:
Q4=Q3×KZF×ΔT (1)
In formula:
Q4- recirculated cooling water tower basin evaporation loss flow, unit are as follows: m3/h；
Q3The online circulating water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
Δ T-condenser inlet and outlet water temperature difference, unit are as follows: DEG C；
KZF- evaporation loss coefficient, unit are as follows: 1/ DEG C；
The water temperature difference calculation formula of condenser inlet and outlet is as follows:
Δ T=T2- T1 (2)
In formula:
Δ T-condenser inlet and outlet water temperature difference, unit are as follows: DEG C；
T2- condenser exit water temperature degree, unit are as follows: DEG C；
T1- condenser Inlet water temperature, unit are as follows: DEG C；
2. calculating the concentration rate N of water in circulation main pipe:
N=Cl2/Cl1 (3)
N=Q1/(Q2+Q5)=Q1/(Q1- Q4) (4)
In formula:
The concentration rate of water in N-circulation main pipe；
Cl1The chloride ion content of water, unit in-former pond are as follows: mg/L；
Cl2The chloride ion content of water, unit are as follows: mg/L in-circulation main pipe；
Q1The online refill flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
Q2The online blowdown water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
Q4- recirculated cooling water tower basin evaporation loss flow, unit are as follows: m3/h；
Q5- recirculated cooling water tower basin windage loss flow, unit are as follows: m3/h；
Wherein: Q1=Q2+Q4+Q5
3. calculating recirculated cooling water tower basin windage loss flow Q5:
Q5=Q3×α (5)
In formula:
Q5- recirculated cooling water tower basin windage loss flow, unit are as follows: m3/h；
Q3The online circulating water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
α-windage loss water rate；
4. calculating the online refill flow Q of recirculated cooling water tower basin according to above formula (1)~(5)1:
Q1=Q3×KZF×(T2-T1)×Cl2/(Cl2-Cl1) (6)
5. calculating the online blowdown water flow Q of recirculated cooling water tower basin according to above formula (1)~(6)2:
Q2=Q3×KZF×(T2-T1)×Cl1/(Cl2-Cl1)-Q3×α (7)
6. the online refill flow of recirculated cooling water tower basin under corresponding outdoor temperature T is calculated by above-mentioned formula (6)
Theoretical values Q1-1, then in adjust automatically moisturizing main pipe electronic pitch first opening size, control loop cooling water tower basin
Online refill flow Q1With Q1-1Numerical value is identical, and then realizes that recirculated cooling water tower basin is automatically replenished function；
7. according to the online blowdown water flow of recirculated cooling water tower basin that above-mentioned formula (7) is calculated under corresponding outdoor temperature T
Measure theoretical values Q2-2, then adjust automatically drains the opening size of electronic pitch second in main pipe, control loop cooling water tower basin
Online blowdown water flow Q2With Q2-2Numerical value is identical, and then realizes recirculated cooling water tower basin automatic blowdown function.
Preferably, the evaporation loss COEFFICIENT KZFRegulation value according to the form below,
| Outdoor temperature (DEG C) | -10 | 0 | 10 | 20 | 30 | 40 |
| Evaporation loss COEFFICIENT KZF(1/℃) | 0.0008 | 0.0010 | 0.0012 | 0.0014 | 0.0015 | 0.0016 |
Preferably, the evaporation loss COEFFICIENT KZFValue is calculated according to formula (8) and (9)；
Note: KZFAt different temperatures, according to K in following formula (8) and (9)ZF1And KZF2
Value:
KZF1The value interval of=0.0010+T × 0.00002, T are as follows: -10 DEG C≤T≤20 DEG C； (8)
KZF2The value interval of=0.0010+T × 0.0000167, T are as follows: 20 DEG C of T≤40 DEG C < (9)
In formula:
T is outdoor temperature.
Preferably, the regulation value in the windage loss water rate α according to the form below；
Advantageous effects of the invention: a kind of power plant circulating cooling water tower basin automatic water replenishing system of the present invention and benefit
Water method, moisturizing main pipe and blowdown main pipe are fitted with online flowmeter and electronic pitch, real-time detection and adjustment flow；It mends
Jellyfish pipe and circulation main pipe are fitted with online chloride ion instrument, and cooling water is calculated in chloride ion content in real-time detection water
Concentration rate；Condenser inlet and outlet is fitted with online thermometer in circulation main pipe, real-time detection water temperature and calculate into
Exit water temperature difference Δ T；Circulation main pipe is equipped with online flowmeter, real-time detection circulating water flow；Outdoor temperature T passes through corresponding
Equipment on-line real-time detection；According to the above detection data, the present invention can accurately calculate recirculated cooling water tower basin rate of water make-up, steam
Then shampoo amount and water amount of blowdown carry out continuously adjusting realization pair by the electronic pitch in moisturizing main pipe and blowdown main pipe
The automatic water supplement of recirculated cooling water tower basin and blowdown, and then realize that thermal power plant accurately uses water, it avoids occurring excessively to use water, arbitrarily row
The phenomenon that putting finally realizes water-saving and emission-reducing, saves fund, creates value for power plant.
Detailed description of the invention
Fig. 1 is the system diagram of power plant circulating cooling water tower basin automatic water replenishing system；
In figure: 1. former ponds, online flowmeter first, 5. circulation in 2. electronic pitch first, 4. in online chloride ion instrument first, 3. are cold
But water tower pond, 6. online chloride ion instrument second, 7. temperature point second, 8. online flowmeters third, 9. cesspools, 10. electronic pitch
Second, 11. online flowmeter second, 12. temperature point first, 13. water circulating pumps, 14. condensers；
A is moisturizing main pipe, and B is blowdown main pipe, and C is circulation main pipe；
Q1Flow detection data, Q for online flowmeter first2Flow detection data, Q for online flowmeter second3For
The flow detection data of linear flow rate meter third, Q4For recirculated cooling water tower basin evaporation loss flow, Q5For recirculated cooling water tower basin wind
Blow loss defluidization amount.
Specific embodiment
Embodiment one, referring to Fig. 1, a kind of power plant circulating cooling water tower basin automatic water replenishing system, the system includes circulation
Cooling water tower basin, former pond, pollution discharge pond, connection former pond and the moisturizing main pipe of recirculated cooling water tower basin are connected to recirculated cooling water
The blowdown main pipe of tower basin and pollution discharge pond and the circulation main pipe being connected to recirculated cooling water tower basin；
In turn switched in the moisturizing main pipe from former pond, electronic pitch first and online flowmeter first, online chlorine from
Sub- instrument first is a kind of for measuring the electro-chemical test instrument of Chlorine in Solution ion concentration, and the flow direction of water is certainly former in moisturizing main pipe
Pond flows to recirculated cooling water tower basin, and self-loopa cooling tower pond has in turn switched on online flowmeter in the blowdown main pipe
Second and electronic pitch second, the self-loopa cooling tower pond that flows to of water flows to pollution discharge pond, the circulation main pipe in blowdown main pipe
On in turn switched on temperature point first, water circulating pump, condenser, online flowmeter third, temperature point second and online chloride ion instrument
Second, condenser are the moisture condensation Cheng Shui that will be vaporized, and online chloride ion instrument second is a kind of for measuring Chlorine in Solution ion concentration
Electro-chemical test instrument, above-mentioned electronic pitch first and electronic pitch second are included conveying function and are adjustable size
Electrically operated valve, above-mentioned all appts instrument have control system control, this is the common prior art, do not go to live in the household of one's in-laws on getting married one by one herein
It states.
Embodiment two, referring to Fig. 1, a kind of power plant circulating cooling water tower basin automatic water supplement method, this method is using implementation
A kind of power plant circulating cooling water tower basin automatic water replenishing system described in example one, if the online refill flow of recirculated cooling water tower basin
For the flow detection data Q of online flowmeter first1, recirculated cooling water tower basin online blowdown water flow be online flowmeter second
Flow detection data Q2, the online circulating water flow of recirculated cooling water tower basin be online flowmeter third flow detection data Q3, follow
Ring cooling water tower basin evaporation loss flow Q4, recirculated cooling water tower basin windage loss flow Q5, temperature point first be detected as condensing
Device Inlet water temperature T1, temperature point second be detected as condenser exit water temperature degree T2, outdoor temperature T, online chloride ion instrument first inspection
Survey the chloride ion content Cl of water in former pond1, in online chloride ion instrument second detection circulation main pipe water chloride ion content Cl2；Packet
Include following steps:
1. calculating recirculated cooling water tower basin evaporation loss flow Q4:
Q4=Q3×KZF×ΔT (1)
In formula:
Q4- recirculated cooling water tower basin evaporation loss flow, unit are as follows: m3/h；
Q3The online circulating water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
Δ T-condenser inlet and outlet water temperature difference, unit are as follows: DEG C；
KZF- evaporation loss coefficient, unit are as follows: 1/ DEG C；
The water temperature difference calculation formula of condenser inlet and outlet is as follows:
Δ T=T2- T1 (2)
In formula:
Δ T-condenser inlet and outlet water temperature difference, unit are as follows: DEG C；
T2- condenser exit water temperature degree, unit are as follows: DEG C；
T1- condenser Inlet water temperature, unit are as follows: DEG C；
2. calculating the concentration rate N of water in circulation main pipe:
N=Cl2/Cl1(chloride ion content calculating method) (3)
N=Q1/(Q2+Q5)=Q1/(Q1- Q4) (water calculating method) (4)
In formula:
The concentration rate of water in N-circulation main pipe；
Cl1The chloride ion content of water, unit in-former pond are as follows: mg/L；
Cl2The chloride ion content of water, unit are as follows: mg/L in-circulation main pipe；
Q1The online refill flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
Q2The online blowdown water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
Q4- recirculated cooling water tower basin evaporation loss flow, unit are as follows: m3/h；
Q5- recirculated cooling water tower basin windage loss flow, unit are as follows: m3/h；
Wherein: Q1=Q2+Q4+Q5
3. calculating recirculated cooling water tower basin windage loss flow Q5:
Q5=Q3×α (5)
In formula:
Q5- recirculated cooling water tower basin windage loss flow, unit are as follows: m3/h；
Q3The online circulating water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
α-windage loss water rate；
4. calculating the online refill flow Q of recirculated cooling water tower basin according to above formula (1)~(5)1:
Q1=Q3×KZF×(T2- T1)×Cl2/(Cl2- Cl1) (6)
5. calculating the online blowdown water flow Q of recirculated cooling water tower basin according to above formula (1)~(6)2:
Q2=Q3×KZF×(T2-T1)×Cl1/(Cl2-Cl1)-Q3×a (7)
6. the online refill flow of recirculated cooling water tower basin under corresponding outdoor temperature T is calculated by above-mentioned formula (6)
Theoretical values Q1-1, then in adjust automatically moisturizing main pipe electronic pitch first opening size, control loop cooling water tower basin
Online refill flow Q1With Q1-1Numerical value is identical, and then realizes that recirculated cooling water tower basin is automatically replenished function；
7. according to the online blowdown water flow of recirculated cooling water tower basin that above-mentioned formula (7) is calculated under corresponding outdoor temperature T
Measure theoretical values Q2-2, then adjust automatically drains the opening size of electronic pitch second in main pipe, control loop cooling water tower basin
Online blowdown water flow Q2With Q2-2Numerical value is identical, and then realizes recirculated cooling water tower basin automatic blowdown function.
The evaporation loss COEFFICIENT KZFRegulation value according to the form below
| Outdoor temperature (DEG C) | -10 | 0 | 10 | 20 | 30 | 40 |
| Heat hair loss coefficient KZF(1/℃) | 0.0008 | 0.0010 | 0.0012 | 0.0014 | 0.0015 | 0.0016 |
。
The evaporation loss COEFFICIENT KZFValue is calculated according to formula (8) and (9)；
Note: KZFAt different temperatures, according to K in following formula (8) and (9)ZF1And KZF2
Value:
KZF1The value interval of=0.0010+T × 0.00002, T are as follows: -10 DEG C≤T≤20 DEG C； (8)
KZF2The value interval of=0.0010+T × 0.0000167, T are as follows: 20 DEG C of T≤40 DEG C < (9)
In formula:
T is outdoor temperature.
Regulation value in the windage loss water rate α according to the form below；
Claims (5)
1. a kind of power plant circulating cooling water tower basin automatic water replenishing system, which includes recirculated cooling water tower basin, former pond, row
Dirty pond, connection former pond and the moisturizing main pipe of recirculated cooling water tower basin, the blowdown mother for being connected to recirculated cooling water tower basin and pollution discharge pond
Pipe and the circulation main pipe being connected to recirculated cooling water tower basin, it is characterized in that:
Online chloride ion instrument first, electronic pitch first and online flowmeter have been in turn switched on from former pond in the moisturizing main pipe
First, the flow direction of water flows to recirculated cooling water tower basin, self-loopa cooling water in the blowdown main pipe from former pond in moisturizing main pipe
Tower basin has in turn switched on online flowmeter second and electronic pitch second, and water flows to self-loopa cooling tower pond flow direction in blowdown main pipe
Pollution discharge pond has in turn switched on temperature point first, water circulating pump, condenser, online flowmeter third, temperature in the circulation main pipe
Measuring point second and online chloride ion instrument second.
2. a kind of power plant circulating cooling water tower basin is automatically replenished method, this method uses a kind of thermoelectricity described in claim 1
Factory's recirculated cooling water tower basin automatic water replenishing system, it is characterized in that: setting the online refill flow of recirculated cooling water tower basin as in linear flow rate
Count the flow detection data Q of first1, the online blowdown water flow of recirculated cooling water tower basin be online flowmeter second flow detection data
Q2, the online circulating water flow of recirculated cooling water tower basin be online flowmeter third flow detection data Q3, recirculated cooling water tower basin steam
Hair loss flow Q4, recirculated cooling water tower basin windage loss flow Q5, temperature point first be detected as condenser Inlet water temperature T1、
Temperature point second is detected as condenser exit water temperature degree T2, outdoor temperature T, online chloride ion instrument first detection former pond in water chlorine
Ion concentration Cl1, in online chloride ion instrument second detection circulation main pipe water chloride ion content Cl2；Include the following steps:
1. calculating recirculated cooling water tower basin evaporation loss flow Q4:
Q4=Q3×KZF×△T (1)
In formula:
Q4- recirculated cooling water tower basin evaporation loss flow, unit are as follows: m3/h；
Q3The online circulating water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
△ T-condenser inlet and outlet water temperature difference, unit are as follows: DEG C；
KZF- evaporation loss coefficient, unit are as follows: 1/ DEG C；
The water temperature difference calculation formula of condenser inlet and outlet is as follows:
△ T=T2- T1 (2)
In formula:
△ T-condenser inlet and outlet water temperature difference, unit are as follows: DEG C；
T2- condenser exit water temperature degree, unit are as follows: DEG C；
T1- condenser Inlet water temperature, unit are as follows: DEG C；
2. calculating the concentration rate N of water in circulation main pipe:
N=Cl2/Cl1 (3)
N=Q1/(Q2+Q5)=Q1/(Q1- Q4) (4)
In formula:
The concentration rate of water in N-circulation main pipe；
Cl1The chloride ion content of water, unit in-former pond are as follows: mg/L；
Cl2The chloride ion content of water, unit are as follows: mg/L in-circulation main pipe；
Q1The online refill flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
Q2The online blowdown water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
Q4- recirculated cooling water tower basin evaporation loss flow, unit are as follows: m3/h；
Q5- recirculated cooling water tower basin windage loss flow, unit are as follows: m3/h；
Wherein: Q1=Q2+Q4+Q5
3. calculating recirculated cooling water tower basin windage loss flow Q5:
Q5=Q3×α (5)
In formula:
Q5- recirculated cooling water tower basin windage loss flow, unit are as follows: m3/h；
Q3The online circulating water flow of-recirculated cooling water tower basin, unit are as follows: m3/h；
α-windage loss water rate；
4. calculating the online refill flow Q of recirculated cooling water tower basin according to above formula (1)~(5)1:
Q1=Q3×KZF×(T2- T1)×Cl2/(Cl2- Cl1) (6)
5. calculating the online blowdown water flow Q of recirculated cooling water tower basin according to above formula (1)~(6)2:
Q2=Q3×KZF×(T2- T1)×Cl1/(Cl2- Cl1)-Q3×α (7)
6. the reason of the online refill flow of recirculated cooling water tower basin under corresponding outdoor temperature T is calculated by above-mentioned formula (6)
By numerical value Q1-1, then in adjust automatically moisturizing main pipe electronic pitch first opening size, control loop cooling water tower basin mends online
Water flow Q1With Q1-1Numerical value is identical, and then realizes that recirculated cooling water tower basin is automatically replenished function；
7. being managed according to the online blowdown water flow of recirculated cooling water tower basin that above-mentioned formula (7) is calculated under corresponding outdoor temperature T
By numerical value Q2-2, then adjust automatically drains the opening size of electronic pitch second in main pipe, and control loop cooling water tower basin is arranged online
Discharge of sewage Q2With Q2-2Numerical value is identical, and then realizes recirculated cooling water tower basin automatic blowdown function.
3. a kind of power plant circulating cooling water tower basin according to claim 2 is automatically replenished method, it is characterized in that: described
Evaporation loss COEFFICIENT KZFRegulation value according to the form below,
。
4. a kind of power plant circulating cooling water tower basin according to claim 2 is automatically replenished method, it is characterized in that: described
Evaporation loss COEFFICIENT KZFValue is calculated according to formula (8) and (9)；
Note: KZFAt different temperatures, according to K in following formula (8) and (9)ZF1And KZF2Value:
KZF1The value interval of=0.0010+T × 0.00002, T are as follows: -10 DEG C≤T≤20 DEG C； (8)
KZF2The value interval of=0.0010+T × 0.0000167, T are as follows: 20 DEG C of T≤40 DEG C < (9)
In formula:
T is outdoor temperature.
5. a kind of power plant circulating cooling water tower basin according to claim 2 is automatically replenished method, it is characterized in that: described
Regulation value in windage loss water rate α according to the form below；
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111666670A (en) * | 2020-05-29 | 2020-09-15 | 鞍钢股份有限公司 | Method for determining water replenishing rate of circulating system through concentration ratio during impurity removal |
| CN112859974A (en) * | 2021-02-07 | 2021-05-28 | 济南蓝辰能源技术有限公司 | Cooling tower water supplement control system based on environmental meteorological parameters and unit operation parameters |
| CN114264189A (en) * | 2021-12-27 | 2022-04-01 | 中国建筑设计研究院有限公司 | Automatic pollution discharge control device and method for cooling tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011224455A (en) * | 2010-04-19 | 2011-11-10 | Kurita Water Ind Ltd | Method and apparatus for managing water treatment chemical injection of open circulating cooling water system |
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| CN111666670A (en) * | 2020-05-29 | 2020-09-15 | 鞍钢股份有限公司 | Method for determining water replenishing rate of circulating system through concentration ratio during impurity removal |
| CN111666670B (en) * | 2020-05-29 | 2023-05-16 | 鞍钢股份有限公司 | Method for determining water supplementing rate of circulating system through concentration multiplying power when impurities are removed |
| CN112859974A (en) * | 2021-02-07 | 2021-05-28 | 济南蓝辰能源技术有限公司 | Cooling tower water supplement control system based on environmental meteorological parameters and unit operation parameters |
| CN114264189A (en) * | 2021-12-27 | 2022-04-01 | 中国建筑设计研究院有限公司 | Automatic pollution discharge control device and method for cooling tower |
| CN114264189B (en) * | 2021-12-27 | 2024-01-26 | 中国建筑设计研究院有限公司 | Automatic pollution discharge control device and method for cooling tower |
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