CN206096106U - Generator inner cooling water water quality monitoring device - Google Patents
Generator inner cooling water water quality monitoring device Download PDFInfo
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- CN206096106U CN206096106U CN201621079081.XU CN201621079081U CN206096106U CN 206096106 U CN206096106 U CN 206096106U CN 201621079081 U CN201621079081 U CN 201621079081U CN 206096106 U CN206096106 U CN 206096106U
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- water
- quality monitoring
- inner cooling
- instrument
- cooling water
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Abstract
The utility model discloses a generator inner cooling water water quality monitoring device, include the meter box on the spot with the inner cooling water water quality monitoring of generator inner cooling water headtotail, set up the pH table in this meter box, conductivity meter, the dissolved oxygen table, hydrogen concentration table and dissolve the hydrogen meter, each instrument has the sampling gate of the water end (W. E. ) sample of follow generator inner cooling water system respectively, each instrument goes out the water survey and is connected to a kind water recovery water tank, appearance water recovery water tank is connected with the measuring pump, this meter box is still including the PLC who is used for control appearance water recovery tank level and control measuring pump flow, each instrument and PLC are connected with the DCS who is used for remote display and warning respectively. The utility model provides a current large -scale generating set inner cooling water measures the drainage and retrieves, and the constant temperature monitoring is realized to the real -time supervision medium, and inner cooling water realizes dissolved oxygen index continuous monitor, real -time supervision generating set's the hourglass hydrogen condition, guarantee the generator stator winding to the dielectric strength of inner cooling water system current -carrying part, prevent generator winding copper corrode with the structure jam.
Description
Technical field
This utility model is related to a kind of Generator Set power generator internal cold water quality monitoring device, can real-time monitoring and tune
Whole electric generator inner cooling water water quality simultaneously solves the recovery of sampling water, finds generator hydrogen leakage defect, belongs to plant equipment and adds
Work technical field.
Background technology
The problem that existing inner cold water monitoring system modular design is present mainly has：1st, general electricity power enterprise's water- cooling generator
Dissolved oxygen table is not configured, there is no on-line continuous monitoring and record to inner cold water dissolved oxygen index.2nd, Fieldable chemical cluster sampling is from generating
Farther out, electromotor water exit end pressure is relatively low for machine, tends not to meet requirement from the sampling of electromotor water outlet end tube section, in actual production
There is a problem of from electromotor water inlet end sampling.3rd, because chemical cluster sampling inner cold water sampling sample water cannot be reclaimed, cause to close
The inner cold water successive losses of lattice, and the demineralized water or condensate water quality for newly filling into water- cooling generator can not meet inner cold water water quality and want
Ask, the operation burden of water- cooling generator water treatment facilities (such as inner cold water optimization device, ion exchanger) can be increased and run
Cost.4th, inner cold water does not typically reside at line dissolving hydrogen meter, dissolved hydrogen index in monitoring inner cold water.
Utility model content
Realize holding oxygen index continuous monitoring to solve existing Generator Set inner cold water, qualified inner cold water loses, just
Ground monitoring media implementation constant temperature monitoring, the leakage hydrogen situation of real-time monitoring generating set, this utility model is provided in a kind of electromotor
Cold water water monitoring device, can realize all of above function, it is ensured that generator unit stator winding is to water- cooling generator current-carrying part
Dielectric strength, prevent generator windings copper corrosion and structure blocking.
This utility model is that the technical scheme that solution above-mentioned technical problem is adopted is as follows：
A kind of power generator internal cold water quality monitoring device, including the inner cold water water quality prison being connected with electric generator inner cooling water system
Survey instrument box on the spot, the inner cold water water quality monitoring arrange in instrument box on the spot pH tables, electrical conductivity table, dissolved oxygen table, hydrogen concentration table and
Dissolving hydrogen meter, each instrument of the above has respectively the sampling gate sampled from the water side of electric generator inner cooling water system, each instrument water outlet
Side is connected to sample Water Sproading water tank, and the sample Water Sproading water tank is connected with dosing pump, inner cold water water quality monitoring instrument box on the spot
Also include the PLC for controlling sample Water Sproading high water tank and control metering pump discharge, each instrument and PLC respectively be used for
The long-range DCS connections for showing and reporting to the police.
Further, there is the fluid level transmitter for controlling startup and the stopping of dosing pump in the sample Water Sproading water tank,
Sample Water Sproading water tank upper arranges overfall.
Further, the outfan of the dosing pump is connected to the moisturizing main pipe of electric generator inner cooling water system.
Further, the discharge ends connection sample water draining main pipe of each instrument, sample water draining main pipe is connected to sample Water Sproading
Water tank.
Further, sample water thermostat is additionally provided between each instrument and electric generator inner cooling water system.
Further, electric generator inner cooling water system water inlet end and water side be respectively provided with artificial sample point.
Further, each instrument has respectively the display screen for showing water quality relevant information on the spot.
Further, the electric generator inner cooling water system includes electric generator inner cooling water tank, filter screen, cooler and stator cooling water pump.
The beneficial effects of the utility model are：Solve existing Generator Set inner cold water measurement draining to reclaim, in real time
Monitoring medium, realizes that constant temperature is monitored, and inner cold water realizes dissolved oxygen index continuous monitoring, the leakage hydrogen situation of real-time monitoring generating set,
Ensure dielectric strength of the generator unit stator winding to water- cooling generator current-carrying part, prevent generator windings copper corrosion and structure stifled
Plug.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of description, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate this utility model, but is not limited to scope of the present utility model.
A kind of power generator internal cold water quality monitoring device, as shown in figure 1, in including being connected with electric generator inner cooling water system
Cold water water quality monitoring instrument box on the spot, the inner cold water water quality monitoring arranges pH tables 1, electrical conductivity table 2, dissolved oxygen table in instrument box on the spot
3rd, hydrogen concentration table 4 and dissolving hydrogen meter 5, each instrument of the above has respectively from taking that the water side 6 of electric generator inner cooling water system samples
Sample door, each instrument has respectively the display screen for showing water quality relevant information on the spot.Each instrument water outlet side is connected to sample water and returns
Water tank 7 is received, the discharge ends connection sample water draining main pipe of each instrument, sample water draining main pipe is connected to sample Water Sproading water tank.The sample
Water Sproading water tank is connected with dosing pump 8, has the liquid for controlling startup and the stopping of dosing pump in the sample Water Sproading water tank
Position transmitter, sample Water Sproading water tank upper arranges overfall.The outfan of dosing pump is connected to the benefit of electric generator inner cooling water system
Jellyfish pipe.On the spot instrument box is also included for controlling sample Water Sproading high water tank and control dosing pump stream for the inner cold water water quality monitoring
The PLC of amount, each instrument and PLC are connected respectively with the DCS for long-range display and warning.
As shown in figure 1, being additionally provided with sample water thermostat 9 between each instrument and electric generator inner cooling water system.Generating electricity
The water inlet end of machine water- cooling generator and water side are respectively provided with artificial sample point 10.The electric generator inner cooling water system includes generating electricity
Machine inner cold water case 11, filter screen 12, cooler 13 and stator cooling water pump 14.
In Fig. 1,19 is hydrogen gas concentration sensor, and 20 is ion exchange column, and 21 is micro- alkalization device.
In one embodiment, the technical scheme that this utility model solves that its technical problem adopted is：According to DL/T
801-2010《Large Generator Internal Cooling Water Quality and system specifications》, electric generator inner cooling water water quality index requires as follows：
The generator unit stator hollow copper conductor cooling water quality of table 1 controls standard
With reference to table 1, by pH value when 7 rise to 8, the rate of corrosion of copper can drop to 1/6；When rising to 8.5 by 8, under rate of corrosion
It is reduced to 1/15.Improving pH value can adopt Na type mixed beds, mend condensate, polisher water ammonification, add the modes such as NaOH.Because leakage and
Pressure test needs, and electrical conductivity can be down to below 0.4 μ S/cm, only to pH temporarily<Control when 8.
With reference to Fig. 1, according to DL/T 1039-2007《Electric generator inner cooling water process directive/guide》, electric generator inner cooling water system should fill
If pH tables, electrical conductivity table.In view of inner cold water dissolved oxygen is an important indicator for characterizing inner cold water copper corrosion, although directive/guide is not required
Dissolved oxygen table is installed, is continuous monitoring inner cold water dissolved oxygen, this utility model inner cold water monitoring system preferably installs dissolved oxygen table 3.
According to electromotor scene practical operating experiences, the dissolved hydrogen in continuous monitoring electric generator inner cooling water system can be effective
It was found that generator winding hydrogen leakage defect, therefore electric generator inner cooling water monitoring system preferably installs dissolving hydrogen meter 5.
According to DL/T 1039-2007《Electric generator inner cooling water process directive/guide》3.3 bar：" inner cold water water quality detection is sampled preferably
Carry out, in-line meter sample water should be back to water- cooling generator.”.Therefore, each instrument of this utility model should be in electric generator inner cooling water
System arranges on the spot and realizes sample Water Sproading.To ensure the temperature requirement of pH value measurement, sample water thermostat 9 should be set.
According to DL/T 801-2010《Large Generator Internal Cooling Water Quality and system specifications》4.9 bar：" inner cold water system
Unite in the import and export of generator windings, water-in and water-out pressure gauge and water-in and water-out differential pressure indicator are set；In electromotor water side straight tube
Section appropriate location, arranges the chemical sampling points such as pH value, electrical conductivity, copper content ", and in practice because chemical cluster sampling distance is sent out
Farther out, the loss of sample water pressure is larger, and live sample water often takes from electromotor water inlet end for motor water- cooling generator；Simultaneously as pH
Table requires the discharge of sample water no pressure, causes all meter sample water losses.For this purpose, this utility model power generator internal cold water quality monitoring
System, from the sampling of generator cooling-water water side, surveys in each instrument meter water outlet and arranges sample Water Sproading case 7, and arranges dosing pump 8,
Sample water is delivered to into water- cooling generator moisturizing.
Electric generator inner cooling water copper ion is by hand sampling, trace analysis, periodic monitoring.Therefore, this utility model is sent out
Motor inner cold water water quality monitoring system all arranges artificial sample point 10 in Generator Stator Cooling water water inlet end and water side, to
Analysis inner cold water flows through the change of copper ion after generator windings, and analyzes the copper corrosion intensity of winding.
In another embodiment, inner cold water sampling of the present utility model and meter measuring loop situation are as follows：
As shown in Figure 1, inner cold water monitoring device takes from Generator Stator Cooling water backwater section, this section of minimum pressure
For 0.5bar (sample point static pressure is according to 5 meters of calculating), the draining of instrument meter, can be according to 0.5bar pressure reduction, 60L/h flows without pressure water
Calculate sampling house steward's sectional area.Probe tube and valve material selection 316L rustless steels.
Sample water flows through sample water thermostat, by temperature control at 25 DEG C, flows into sampling water inlet main pipe.Electrical conductivity table, dissolved oxygen
Table, pH tables, dissolving hydrogen meter obtain sample water by respective sampling gate, and the draining of each meter connects sample water draining main pipe.Draining main pipe
Sample Water Sproading water tank is connected to, discharge pressure is without pressure water.Sample Water Sproading water tank arranges fluid level transmitter, and fluid level transmitter is each
The startup and stopping for controlling dosing pump is exported, control sample Water Sproading high water tank is in normal range.The output of dosing pump connects
Electric generator inner cooling water moisturizing main pipe is connected to, by sample Water Sproading to water- cooling generator.
Sample Water Sproading water tank upper arranges overfall, prevents water tank full water.
Control of the present utility model, signal and power conditions are as follows：
(1) electric power loop
Each electrical equipment power consumption sum is less than 4kW, and accordingly selection battery main switch is：AC 220 10A.
| Device name | Power consumption (kW) | Input voltage | Branch switch |
| Dosing pump | 0.25 | AC220V | 1 |
| Thermostat | 3 | AC380V | 1 |
| Dissolved oxygen table | 0.01 | AC220V | 1 |
| Dissolving hydrogen meter | 0.03 | AC220V | 1 |
| PH tables | 0.01 | AC220V | 1 |
| Electrical conductivity table | 0.01 | AC220V | 1 |
| PLC and touch screen | 0.05 | AC220V | 1 |
(2) control, signal circuit
Each meter sets according to range and turns the sampled values such as inner cold water pH value, electrical conductivity, dissolved oxygen, dissolved hydrogen, sample coolant-temperature gage
4-20mA signal transmissions are changed to DCS, are shown and warning for long-range.The on-off model of each meter failure is with without source contact
Mode is transferred to DCS and reports to the police as a distant place.Each meter own display screen is used to show water quality relevant information on the spot.
PLC gathers sample Water Sproading high water tank analog quantity information, as feedback signal, control metering pump discharge, maintains water
Case liquid level.Liquid level analog signalses are converted to high level, the warning of low liquid level switching value and are transmitted to DCS by PLC, for distant place prison
Depending on.
Metering pump startup, stopping and fault-signal are used for remote monitoring to transmit to DCS without source contact mode.
Measuring point inventory is as follows：
The beneficial effects of the utility model are to solve existing Generator Set inner cold water measurement draining to reclaim, in real time prison
Medium is surveyed, realizes that constant temperature is monitored, inner cold water realizes dissolved oxygen index continuous monitoring, the leakage hydrogen situation of real-time monitoring generating set is protected
Dielectric strength of the card generator unit stator winding to water- cooling generator current-carrying part, prevents generator windings copper corrosion and structure stifled
Plug.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, can also make some
Improve and modification, these are improved and modification also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of power generator internal cold water quality monitoring device, it is characterised in that include being connected with electric generator inner cooling water system (16)
Inner cold water water quality monitoring instrument box (15) on the spot, the inner cold water water quality monitoring arranges pH tables (1), electrical conductivity in instrument box on the spot
Table (2), dissolved oxygen table (3), hydrogen concentration table (4) and dissolving hydrogen meter (5), each instrument of the above has from electric generator inner cooling water system respectively
Water side (6) sampling sampling gate, each instrument water outlet side is connected to sample Water Sproading water tank (7), the sample Water Sproading water tank with
Dosing pump (8) connects, and on the spot instrument box is also included for controlling sample Water Sproading high water tank and control for the inner cold water water quality monitoring
The PLC (17) of metering pump discharge, each instrument and PLC are connected respectively with the DCS (18) for long-range display and warning.
2. power generator internal cold water quality monitoring device as claimed in claim 1, it is characterised in that in the sample Water Sproading water tank
Fluid level transmitter with startup and the stopping for being used to control dosing pump, sample Water Sproading water tank upper arranges overfall.
3. power generator internal cold water quality monitoring device as claimed in claim 1, it is characterised in that the outfan of the dosing pump
It is connected to the moisturizing main pipe of electric generator inner cooling water system.
4. power generator internal cold water quality monitoring device as claimed in claim 1, it is characterised in that the discharge ends of each instrument
Connection sample water draining main pipe, sample water draining main pipe is connected to sample Water Sproading water tank.
5. the power generator internal cold water quality monitoring device as described in one of claim 2-4, it is characterised in that in each instrument and send out
Sample water thermostat (9) is additionally provided between motor water- cooling generator.
6. power generator internal cold water quality monitoring device as claimed in claim 5, it is characterised in that in electric generator inner cooling water system
Water inlet end and water side be respectively provided with artificial sample point (10).
7. power generator internal cold water quality monitoring device as claimed in claim 5, it is characterised in that each instrument has respectively
For showing the display screen of water quality relevant information on the spot.
8. power generator internal cold water quality monitoring device as claimed in claim 5, it is characterised in that the electric generator inner cooling water system
System includes electric generator inner cooling water tank (11), filter screen (12), cooler (13) and stator cooling water pump (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079081.XU CN206096106U (en) | 2016-09-23 | 2016-09-23 | Generator inner cooling water water quality monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079081.XU CN206096106U (en) | 2016-09-23 | 2016-09-23 | Generator inner cooling water water quality monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206096106U true CN206096106U (en) | 2017-04-12 |
Family
ID=58479553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621079081.XU Expired - Fee Related CN206096106U (en) | 2016-09-23 | 2016-09-23 | Generator inner cooling water water quality monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206096106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114839339A (en) * | 2022-04-22 | 2022-08-02 | 刘忠 | Method and system for monitoring hydrogen leakage amount of generator fixed cold water |
| CN115541676A (en) * | 2022-10-17 | 2022-12-30 | 吉林省电力科学研究院有限公司 | Water sample constant temperature device for detecting pH and conductivity of cold water in power plant |
-
2016
- 2016-09-23 CN CN201621079081.XU patent/CN206096106U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114839339A (en) * | 2022-04-22 | 2022-08-02 | 刘忠 | Method and system for monitoring hydrogen leakage amount of generator fixed cold water |
| CN115541676A (en) * | 2022-10-17 | 2022-12-30 | 吉林省电力科学研究院有限公司 | Water sample constant temperature device for detecting pH and conductivity of cold water in power plant |
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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 |
Granted publication date: 20170412 Termination date: 20170923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |