CN213341916U - Can realize deciding cooling water system of automatic benefit water of changing - Google Patents
Can realize deciding cooling water system of automatic benefit water of changing Download PDFInfo
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- CN213341916U CN213341916U CN202021942427.0U CN202021942427U CN213341916U CN 213341916 U CN213341916 U CN 213341916U CN 202021942427 U CN202021942427 U CN 202021942427U CN 213341916 U CN213341916 U CN 213341916U
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Abstract
The utility model provides a can realize automatic benefit and trade deciding cooling water system of water solves before the generator set starts or decides cold water during normal operating benefit, trade water frequent operation, operating time longer, appears the dispersion of operation personnel's attention easily, leads to the extravagant problem of maloperation and demineralized water. The constant cooling water system comprises a generator set, a constant cooling water tank, a conductivity meter, a constant cooling water pump set, a first pipeline, a second pipeline, a third pipeline, a water inlet pipeline, a water drainage pipeline and a constant cooling water level meter; the fixed cold water tank is connected with a fixed cold water pump set through a first pipeline, the fixed cold water pump set is connected with the generator set through a second pipeline, and the generator set is connected with the fixed cold water tank through a third pipeline; the conductivity meter is used for detecting the conductivity of the medium in the cold water tank; the constant cold water level meter is arranged on one side of the constant cold water tank; the fixed cold water tank is connected with the condensed water or the demineralized water through a water inlet pipeline; the inlet of the drainage pipeline is communicated with the third pipeline.
Description
Technical Field
The utility model belongs to the generator decides the cold water field, concretely relates to can realize deciding cooling water system of automatic benefit water of trading.
Background
During the water replenishing and changing operation of the traditional generator water-cooling-water-fixing system, when the water level of the water-cooling-water-fixing tank is low, the water level of the water-cooling-water-fixing tank is replenished to be normal by manually opening the manual water replenishing stop valve. Decide cold water quality of water through the periodic chemical examination, if decide cold water conductivity superscript then decide cold water and trade water operation, at this moment, if decide cold water tank water level normal, then open the water discharge stop valve of deciding the cold water system on the spot, reach the low level until deciding cold water, then close the water discharge stop valve, open the moisturizing stop valve of deciding the cold water tank and will decide cold water tank water level and mend to high level, then close the moisturizing stop valve, open the water discharge stop valve, the circulation operation is qualified until deciding cold water quality of water. Although the water supplementing and changing operation of the fixed cooling water system can be realized by the above mode, the mode has frequent operation and long operation time, is easy to cause the attention fatigue of operators to cause misoperation, and can cause the waste of the desalted water to a certain degree.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving before the generator set starts or during normal operating decide the cold water mend, trade water frequent operation, operating time longer, the dispersion of operating personnel attention appears easily, leads to the extravagant problem of maloperation and demineralized water, provides a can realize automatic mending the cold water system of deciding of trading water.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a can realize automatic water supply and trade surely cold water system, includes generator set, decides cold water tank and electrically conducts the appearance, its characterized in that: the constant cooling water pump set comprises a constant cooling water pump set, a first pipeline, a second pipeline, a third pipeline, a water inlet pipeline, a water drainage pipeline and a constant cooling water liquid level meter; the fixed cold water tank is connected with a fixed cold water pump set through a first pipeline, the fixed cold water pump set is connected with a generator set through a second pipeline, and the generator set is connected with the fixed cold water tank through a third pipeline, so that circulation of fixed cold water of the generator set is formed; the conductivity meter is used for monitoring the conductivity of the medium in the cold water tank and transmitting the monitored signal to the control room; the constant cold water liquid level meter is arranged on one side of the constant cold water tank and used for monitoring the liquid level in the constant cold water tank and transmitting the monitored signal to the control room; the fixed cold water tank is connected with condensed water or desalted water through a water inlet pipeline, a water inlet electromagnetic regulating valve is arranged on the water inlet pipeline, and the opening degree of the water inlet electromagnetic regulating valve is controlled according to a signal of a control room; and the inlet of the drainage pipeline is communicated with the third pipeline, a drainage electromagnetic regulating valve is arranged on the drainage pipeline, and the drainage electromagnetic regulating valve controls the opening degree of the drainage electromagnetic regulating valve according to a signal of the control room to discharge a medium in the fixed cold water tank.
Furthermore, the water inlet pipeline is respectively connected with the condensed water pipeline and the demineralized water pipeline, and the condensed water pipeline and the demineralized water pipeline are respectively provided with a check valve and a pipeline stop valve.
Furthermore, the fixed cold water pump set comprises two fixed cold water pumps which are connected in parallel, and the two fixed cold water pumps are respectively used and standby.
Furthermore, a bypass pipeline is further arranged on the water inlet pipeline, and a bypass stop valve is arranged on the bypass pipeline.
Furthermore, a drainage stop valve is arranged on the drainage pipeline and used for manually discharging media in the fixed cold water tank.
Furthermore, a water inlet stop valve is arranged on the water inlet pipeline and used for manually supplying water to the cold water tank for water supplement.
Furthermore, the measuring probe of the conductivity meter is arranged on the third pipeline, and the conductivity of the medium in the cold water tank is monitored by detecting the conductivity of the medium in the third pipeline.
Further, the outlet of the drainage pipeline is arranged above the trench.
Compared with the prior art, the utility model discloses technical scheme's advantage does:
1. the utility model provides a can realize automatic mend surely cooling water system of trading water can realize deciding the benefit of cold water automatically, trade the water operation, has not only reduced thermal power factory operation staff's work load, has avoided the maloperation that frequent operation arouses, in addition at the timely accurate adjustment of deciding cold water of going on of unit operation in-process, has still guaranteed generator safety normal operating in the time of resources are saved.
2. The utility model discloses can realize that automatic mend the setting of deciding cooling water system of trading water simple, only need increase valve, pump package and the pipeline commonly used and can realize, this system easy operation simultaneously only needs to be connected each valve and pump package with the control room, can realize its automated control.
Drawings
Fig. 1 is a schematic diagram of the cooling water system of the present invention for automatically supplying and replacing water.
Reference numerals: 1-generator set, 2-fixed cold water tank, 3-conductivity meter, 4-fixed cold water pump set, 5-first pipeline, 6-second pipeline, 7-third pipeline, 8-water inlet pipeline, 9-water discharge pipeline, 10-fixed cold water level meter, 11-water inlet stop valve, 12-water inlet electromagnetic regulating valve, 13-water discharge stop valve, 14-water discharge electromagnetic regulating valve, 15-condensed water pipeline, 16-desalted water pipeline, 17-check valve, 18-pipeline stop valve, 19-bypass pipeline, 20-bypass stop valve and 21-trench.
Detailed Description
The operation of the system is further described with reference to the drawings and the detailed description.
Before the steam turbine generator set starts or in the normal operating, need guarantee to decide the water level and the quality of water normal of cold water tank, however, when the outage or the operation of long period of time, decide the degradation of cold water level reduction or quality of water certain degree appear, this will lead to generator stator coil cooling water to be not enough makes stator coil temperature rise, perhaps the electric current in the cold water of deciding appears leaking to influence the safe operation of generator set. Therefore, the water level and the water quality of the generator fixed cold water need to be monitored on line, and water supplementing and exchanging operation is carried out in time so as to ensure that the water level and the water quality of the fixed cold water are in a normal range, thereby ensuring the safe operation of the generator. Based on this, the utility model provides a can realize automatic water supply and trade deciding cooling water system, when deciding the liquid level of cold water liquid level gauge or leading the appearance on-line monitoring and deciding the liquid level of cold water tank or deciding that cold water is electrically conductive when unusual, send signal for the control room, thereby the aperture of each electromagnetic control valve of control room adjustment is mended or is drained the operation, makes the water level of deciding cold water tank or decides cold water quality of water at normal operating range to ensure the safe and reliable operation of generator set.
As shown in fig. 1, the cooling water supply system capable of automatically supplying and replacing water provided by the present invention comprises a generator set 1, a cooling water supply tank 2, a conductive instrument 3, a cooling water supply pump set 4, a first pipeline 5, a second pipeline 6, a third pipeline 7, a water inlet pipeline 8, a water discharge pipeline 9 and a cooling water level meter 10; the water tank 2 for the stator cooling water is connected with the water pump set 4 for the stator cooling water through a first pipeline 5, the water pump set 4 for the stator cooling water is connected with the generator set 1 through a second pipeline 6, and the generator set 1 is connected with the water tank 2 for the stator cooling water through a third pipeline 7, so that circulation of the stator cooling water of the generator set 1 is formed. The fixed cold water pump set 4 comprises two fixed cold water pumps which are connected in parallel, wherein the two fixed cold water pumps are respectively used and standby. The measuring probe of the conductivity meter 3 is arranged on the third pipeline 7, and is used for determining the conductivity of the medium in the cold water tank 2 by monitoring the conductivity of the medium in the third pipeline 7 and transmitting the monitored signal to the control room. The chilled water level gauge 10 is disposed at one side of the chilled water tank 2, and is configured to monitor a liquid level in the chilled water tank 2 and transmit a monitored signal to a control room.
The fixed cold water tank 2 is connected with the condensed water or the demineralized water through a water inlet pipeline 8, and the water inlet pipeline 8 is provided with a water inlet stop valve 11 and a water inlet electromagnetic regulating valve 12 for quantitatively supplementing the condensed water or the demineralized water into the fixed cold water tank 2. Specifically, the water inlet pipeline 8 is respectively connected with the condensed water pipeline 15 and the desalted water pipeline 16, the condensed water pipeline 15 and the desalted water pipeline 16 are both provided with a check valve 17 and a pipeline stop valve 18, meanwhile, the water inlet pipeline 8 is also provided with a bypass pipeline 19, and the bypass pipeline 19 is provided with a bypass stop valve 20. When the water inlet stop valve 11 or the water inlet electromagnetic regulating valve 12 breaks down, the bypass stop valve 20 can be manually opened to supply water to the cold water tank 2 through the bypass pipeline 19 until the water is normal, so that the reliable and stable operation of the cold water supply system is ensured.
The inlet of the drainage pipeline 9 is communicated with the third pipeline 7, a drainage stop valve 13 and a drainage electromagnetic regulating valve 14 are arranged on the drainage pipeline 9 and used for realizing quantitative discharge of media in the fixed cold water tank 2, and the outlet of the drainage pipeline 9 is arranged above the trench 21 and directly conveys the discharged media to the trench for discharge. The utility model discloses stop valve 11 and drainage stop valve 13 of intaking in the system realize manually opening for normally open valve under emergency for realize intaking and the manual control of drainage.
The utility model discloses can realize that automatic mend the water system of deciding of trading water has realized deciding the automatic of moisturizing in the cold water tank, the drainage, and simultaneously, each actuating mechanism response speed and reliability improve by a wide margin, make the thermal power factory take intelligent step out to automatic control, thermal power factory operation staff's work load has not only been reduced, the maloperation that frequent operation arouses has been avoided, in addition in the unit operation in-process in time accurate go on deciding the adjustment of cold water, still guaranteed the safe normal operating of generator when resources are saved.
The utility model discloses can realize automatic mend the working process who trades deciding cooling water system of water as follows:
before the generator set 1 is started, the fixed cooling water circulation is firstly carried out, and after the fixed cooling water system is washed, the generator set 1 starts to work. When the water level of the fixed cold water tank 2 is reduced or the quality of the fixed cold water is deteriorated to a certain degree, the desalination water replenishing pump is started to change the water of the fixed cold water system in order to ensure the safe operation of the generator until the water level of the fixed cold water tank 2 is normal or the quality of the fixed cold water is qualified.
The supplementing water source of the fixed cold water comprises desalted water and condensed water, and when the liquid level of the fixed cold water tank 2 is lower, the fixed cold water liquid level meter 10 sends a water level low signal to the control room. The control room sends out an instruction after receiving the signal, the water inlet electromagnetic regulating valve 12 is opened, the water discharging electromagnetic regulating valve 14 is closed, and the demineralized water or the condensed water from the demineralized water or the condensed water system supplies water to the cold water tank 2; if the conductivity of the fixed cold water exceeds the standard, the conductivity meter 3 sends a signal indicating that the conductivity of the fixed cold water exceeds the standard to the control room, the control room receives the signal and sends an instruction, the water inlet electromagnetic regulating valve 12 is closed, the water discharge electromagnetic regulating valve 14 is opened, and the fixed cold water system starts to discharge water. When the fixed cold water liquid level meter 10 detects a low water level, a signal is sent to the control room, the water inlet electromagnetic regulating valve 12 is opened, the water discharge electromagnetic regulating valve 14 is closed, and the fixed cold water tank 2 is used for supplementing water; when the fixed cold water level meter 10 monitors a high water level, the control room sends out an instruction, the water inlet electromagnetic regulating valve 12 is closed, the water discharge electromagnetic regulating valve 14 is opened, the fixed cold water system starts to discharge water, and the water discharge and water supplement operation is carried out in a circulating and reciprocating mode until the conductivity of the fixed cold water is normal.
Claims (8)
1. The utility model provides a can realize automatic water changing's surely cooling water system that mends, includes generator set (1), decides cooling water tank (2) and electrically conducts appearance (3), its characterized in that: the constant cooling water pump unit further comprises a constant cooling water pump set (4), a first pipeline (5), a second pipeline (6), a third pipeline (7), a water inlet pipeline (8), a water drainage pipeline (9) and a constant cooling water liquid level meter (10);
the fixed cooling water tank (2) is connected with a fixed cooling water pump set (4) through a first pipeline (5), the fixed cooling water pump set (4) is connected with the generator set (1) through a second pipeline (6), and the generator set (1) is connected with the fixed cooling water tank (2) through a third pipeline (7), so that circulation of fixed cooling water of the generator set (1) is formed;
the conductivity meter (3) is used for monitoring the conductivity of the medium in the cold water tank (2) and transmitting the monitored signal to the control room;
the constant cold water liquid level meter (10) is arranged on one side of the constant cold water tank (2) and is used for monitoring the liquid level in the constant cold water tank (2) and transmitting the monitored signal to the control room;
the fixed cold water tank (2) is connected with condensed water or demineralized water through a water inlet pipeline (8), a water inlet electromagnetic regulating valve (12) is arranged on the water inlet pipeline (8), and the opening of the water inlet electromagnetic regulating valve (12) is controlled according to a signal of a control room;
the inlet of the drainage pipeline (9) is communicated with the third pipeline (7), a drainage electromagnetic regulating valve (14) is arranged on the drainage pipeline (9), and the drainage electromagnetic regulating valve (14) controls the opening degree according to a signal of the control room to discharge a medium in the fixed cold water tank (2).
2. The chilled water system capable of realizing automatic water replenishing and replacing according to claim 1, wherein: the water inlet pipeline (8) is respectively connected with the condensed water pipeline (15) and the demineralized water pipeline (16), and the condensed water pipeline (15) and the demineralized water pipeline (16) are respectively provided with a check valve (17) and a pipeline stop valve (18).
3. The chilled water system capable of realizing automatic water replenishing and replacing according to claim 2, wherein: the fixed cold water pump set (4) comprises two fixed cold water pumps which are connected in parallel, and the two fixed cold water pumps are respectively used and standby.
4. The chilled water system capable of realizing automatic water replenishing according to claim 1, 2 or 3, wherein: the water inlet pipeline (8) is further provided with a bypass pipeline (19), and the bypass pipeline (19) is provided with a bypass stop valve (20).
5. The chilled water system capable of realizing automatic water replenishing and replacing according to claim 4, wherein: and a drainage stop valve (13) is arranged on the drainage pipeline (9) and used for manually discharging media in the fixed cold water tank (2).
6. The chilled water system capable of realizing automatic water replenishing and replacing according to claim 5, wherein: and a water inlet stop valve (11) is arranged on the water inlet pipeline (8) and used for manually supplying water to the cold water tank (2) for water supplement.
7. The chilled water system capable of realizing automatic water replenishing and replacing according to claim 6, wherein: and a measuring probe of the conductivity meter (3) is arranged on the third pipeline (7), and the conductivity of the medium in the third pipeline (7) is detected, so that the conductivity of the medium in the cold water tank (2) is monitored.
8. The chilled water system capable of realizing automatic water replenishing and replacing according to claim 7, wherein: the outlet of the drainage pipeline (9) is arranged above the trench (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021942427.0U CN213341916U (en) | 2020-09-08 | 2020-09-08 | Can realize deciding cooling water system of automatic benefit water of changing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021942427.0U CN213341916U (en) | 2020-09-08 | 2020-09-08 | Can realize deciding cooling water system of automatic benefit water of changing |
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| CN213341916U true CN213341916U (en) | 2021-06-01 |
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| CN202021942427.0U Active CN213341916U (en) | 2020-09-08 | 2020-09-08 | Can realize deciding cooling water system of automatic benefit water of changing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541399A (en) * | 2021-07-15 | 2021-10-22 | 神华北电胜利能源有限公司 | Generator is decided cooling water system |
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2020
- 2020-09-08 CN CN202021942427.0U patent/CN213341916U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541399A (en) * | 2021-07-15 | 2021-10-22 | 神华北电胜利能源有限公司 | Generator is decided cooling water system |
| CN113541399B (en) * | 2021-07-15 | 2022-12-09 | 神华北电胜利能源有限公司 | Generator is decided cooling water system |
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