CN219570238U - Hydropower station generator set cooling water monitoring and adjusting system - Google Patents
Hydropower station generator set cooling water monitoring and adjusting system Download PDFInfo
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- CN219570238U CN219570238U CN202320604428.1U CN202320604428U CN219570238U CN 219570238 U CN219570238 U CN 219570238U CN 202320604428 U CN202320604428 U CN 202320604428U CN 219570238 U CN219570238 U CN 219570238U
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- cooling water
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- water outlet
- cooler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides a hydropower station generator set cooling water monitoring and adjusting system, which relates to the technical field of hydropower station generator set cooling water monitoring and comprises a cooler, a cooling water inlet pipe and a cooling water outlet pipe, wherein the cooling water inlet pipe and the cooling water outlet pipe are arranged on a hydropower station generator set, and the water inlet end of the cooling water inlet pipe and the water outlet end of the cooling water outlet pipe are respectively provided with a monitoring component; a back flushing assembly is arranged between the cooling water inlet pipe and the cooling water outlet pipe; the system can monitor the water flow of the cooling water in and out in real time, is convenient for inspection personnel to know in time, and can conveniently judge whether the cooling water is blocked or not and the position of the blocking party by comparing the water flow values of the water in and out, so that the condition that the traditional old pressure monitoring device is easy to judge and miss in the monitoring process is avoided; and the back flushing operation of the cooler can be realized, so that the shutdown treatment times caused by the blockage of the cooler are reduced, the power generation production time is further increased, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of hydropower station generator set cooling water monitoring, in particular to a hydropower station generator set cooling water monitoring and adjusting system.
Background
In the running process of the hydroelectric generating set at present, an upper guide bearing, a thrust bearing, a lower guide bearing and a guide bearing of a water turbine of the generator generate a large amount of heat, the temperature of each bearing of the hydroelectric generating set is increased, the bearing bushes are directly burnt out, the normal running of the generating set is affected, the performance of bearing lubricating oil is reduced, the bearing is required to be cooled in order to ensure the normal running of the generating set, the heat generated in the running process is timely taken away, the same as a generator stator air cooler, the heat generated in the running process is timely taken away, the cooling of a generator stator is carried out by circulating cooled air in gaps among stator coils of the generator, and the air flowing out of the heat is cooled by the generator air cooler to take away the heat;
the old hydropower station generator set bearings and the air cooler cooling water pressure monitoring device are pointer type pressure instruments, and are only arranged on a cooling water inlet pipe, whether the pressure of cooling water is enough can be judged only by a staff on duty to periodically patrol and examine the instrument values, and the cooler cleaning method is single, and only one mode of cleaning is stopped and removed, so that the old device has the defects that:
(1) only when an operator on duty patrols and looks, the pressure value of the cooling water can be monitored, and potential safety hazards exist;
(2) the position of the blockage in the cooling water cannot be accurately judged, corresponding treatment cannot be quickly performed, and the situation that the pressure is increased due to blockage to cause the judgment of an operator to be wrong also exists;
(3) when the cooler is blocked, the cooler can be only stopped for dismantling and cleaning, which is time-consuming and labor-consuming and delays production;
therefore, the utility model provides a hydropower station generator set cooling water monitoring and adjusting system.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a hydropower station generator set cooling water monitoring and adjusting system, which solves the problems raised by the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a power station generating set cooling water monitoring and governing system, includes the cooler that sets up on power station generating set, this cooling water monitoring and governing system still includes:
the cooling water inlet pipe and the cooling water outlet pipe are arranged at the water inlet end and the water outlet end of the cooler, and the water inlet end of the cooling water inlet pipe and the water outlet end of the cooling water outlet pipe are respectively provided with a monitoring component;
a back flushing assembly for back flushing the cooler is further arranged between the cooling water inlet pipe and the cooling water outlet pipe;
one end of the cooling water inlet pipe is communicated with the water inlet end of the cooler, a water inlet valve and a shunt valve are respectively arranged between the cooling water inlet pipe and the cooler, the cooling water outlet pipe is communicated with the water outlet end of the cooler, and a water outlet valve is arranged between the cooling water outlet pipe and the cooler.
As a further technical scheme of the utility model, the back flush assembly comprises a back flush loop pipe which is communicated with the cooling water outlet pipe and is close to one end of the electromagnetic flowmeter, the other end of the back flush loop pipe is communicated with the cooling water inlet pipe and is positioned between the shunt valve and the cooler, and a loop pipe valve is arranged on the back flush loop pipe and is close to the cooling water inlet pipe.
As a further technical scheme of the utility model, a back flushing pipe is also communicated between the water inlet valve and the shunt valve on the cooling water inlet pipe, the back flushing valve is arranged on the back flushing pipe, and the other end of the back flushing pipe is communicated with the cooling water outlet pipe and is positioned between the water outlet valve and the cooler.
As a further technical scheme of the utility model, the monitoring assembly comprises a second electromagnetic flowmeter arranged at the water inlet end of the cooling water inlet pipe and a first electromagnetic flowmeter arranged at the water outlet end of the cooling water outlet pipe, wherein the second electromagnetic flowmeter and the first electromagnetic flowmeter are both connected with an alarm.
As a further technical scheme of the utility model, a plurality of pipeline brackets are distributed on the cooling water outlet pipe and the cooling water inlet pipe at equal intervals.
As a further technical scheme of the utility model, the cooling water monitoring and adjusting system also comprises an external controller, and the controller is electrically connected with the electromagnetic flowmeter II and the alarm.
Advantageous effects
The utility model provides a hydropower station generator set cooling water monitoring and adjusting system, which has the following beneficial effects compared with the prior art:
1. according to the cooling water monitoring and adjusting system for the hydroelectric generating set, the monitoring assembly is utilized to monitor the water flow of the cooling water in and out in real time, the flow value is conveniently displayed in real time, the inspection personnel can conveniently know the flow value in time, the flow value of the water in and out is utilized to compare, whether the cooling water is blocked or not and the position of the blocking party are conveniently judged, and the situation that the traditional old pressure monitoring device is prone to judging errors in monitoring is avoided;
2. according to the cooling water monitoring and adjusting system for the hydropower station generator set, the back flushing assembly is built on the cooling water system, and back flushing operation of a cooler can be achieved, so that the frequency of shutdown treatment caused by blockage of the cooler can be reduced, the time of power generation production is further increased, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a system for monitoring and regulating cooling water of a hydroelectric generating set;
fig. 2 is a schematic diagram of a cooling water monitoring and adjusting system for a hydroelectric generating set.
In the figure: 1. a cooling water outlet pipe; 11. a water outlet valve; 2. a cooling water inlet pipe; 21. a water inlet valve; 22. a shunt valve; 3. an electromagnetic flowmeter I; 4. an electromagnetic flowmeter II; 5. an alarm; 6. back flushing the loop pipe; 61. a loop pipe valve; 7. a back flushing pipe; 71. a back flushing valve; 8. a cooler.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical scheme of a cooling water monitoring and adjusting system for a hydroelectric generating set: including setting up the cooler 8 on power station generating set, install in cooler 8 water inlet pipe 2 and the cooling water outlet pipe 1 of water inlet end and water outlet end, equidistant distribution has a plurality of pipeline brackets on cooling water outlet pipe 1 and the cooling water inlet pipe 2, can support fixedly cooling water outlet pipe 1 and cooling water inlet pipe 2 through the pipeline bracket, safety and stability when guaranteeing to use, the one end of cooling water inlet pipe 2 is linked together with the water inlet end of cooler 8, and be provided with inlet valve 21 and branch valve 22 between cooling water inlet pipe 2 and the cooler 8 respectively, cooling water outlet pipe 1 is linked together with the water outlet end of cooler 8, and be provided with out water valve 11 between cooling water outlet pipe 1 and the cooler 8, carry the cooling water to the cooler 8 in through cooling water inlet pipe 2 and pass through cooling water outlet pipe 1 and discharge, can realize cooling water's circulation work.
The water inlet end of the cooling water inlet pipe 2 and the water outlet end of the cooling water outlet pipe 1 are both provided with monitoring components, each monitoring component comprises a second electromagnetic flowmeter 4 arranged at the water inlet end of the cooling water inlet pipe 2 and a first electromagnetic flowmeter 3 arranged at the water outlet end of the cooling water outlet pipe 1, each of the second electromagnetic flowmeter 4 and the first electromagnetic flowmeter 3 is connected with an alarm 5, the cooling water monitoring and adjusting system further comprises an external controller, the controller is electrically connected with the second electromagnetic flowmeter 4 and the alarm 5, each of the second electromagnetic flowmeter 4 and the first electromagnetic flowmeter 3 is a digital instrument, monitoring and early warning values can be set, on one hand, the flow in the cooling water outlet pipe 1 and the cooling water inlet pipe 2 can be conveniently monitored, meanwhile, the values can be clearly checked when workers watch, on the other hand, the flow values can be transmitted to a control room control system in the background in real time, and when the monitored values reach the set early warning values, signals are sent to the controller, and the controller controls the alarm 5 to send alarm signals.
A back flush assembly for back flushing the cooler 8 is further arranged between the cooling water inlet pipe 2 and the cooling water outlet pipe 1, the back flush assembly comprises a back flush loop pipe 6 which is communicated with the cooling water outlet pipe 1 and is close to one end of the electromagnetic flowmeter 3, the other end of the back flush loop pipe 6 is communicated with the cooling water inlet pipe 2 and is positioned between the shunt valve 22 and the cooler 8, a loop pipe valve 61 is arranged on the back flush loop pipe 6 and is close to the cooling water inlet pipe 2, and the back flush loop pipe 6 and the loop pipe valve 61 are matched to enable the cooling water outlet pipe 1 to be communicated with the water inlet end of the cooler 8.
A back flushing pipe 7 is further communicated between the water inlet valve 21 and the shunt valve 22 on the cooling water inlet pipe 2, a back flushing valve 71 is arranged on the back flushing pipe 7, the other end of the back flushing pipe 7 is communicated with the cooling water outlet pipe 1 and is positioned between the water outlet valve 11 and the cooler 8, and the cooling water inlet pipe 2 can be communicated with the output end of the cooler 8 by utilizing the cooperation of the back flushing pipe 7 and the back flushing valve 71.
The working principle of the utility model is as follows: during normal operation, the water inlet valve 21, the shunt valve 22 and the water outlet valve 11 are opened, the loop pipe valve 61 and the back flushing valve 71 are closed, so that firstly, cooling water enters the cooler 8 through the cooling water inlet pipe 2 and is finally discharged from the cooling water outlet pipe 1, cooling water circulation is realized, and during the operation, the cooling water in the cooling water inlet pipe 2 and the cooling water outlet pipe 1 is monitored by the monitoring component, namely, the water flow value of the cooling water inlet and the water outlet of the cooler is judged by adopting the electromagnetic flowmeter II 4 and the electromagnetic flowmeter I3;
meanwhile, whether the inside of the cooler 8 is blocked or not can be judged by comparing the water flow values of water inlet and outlet, for example, when the inside of the cooler 8 is blocked, the water flow value in the cooling water outlet pipe 1 is reduced, when the water flow reaches the early warning value of the electromagnetic flowmeter I3, a signal is transmitted to a background central control room control system, and meanwhile, the signal is also transmitted to a controller, and the controller controls the alarm 5 to send an alarm signal, so that background staff and patrol staff can find in time;
when back flushing is needed, the water inlet valve 21, the loop pipe valve 61 and the back flushing valve 71 can be opened, the shunt valve 22 and the water outlet valve 11 are closed, so that cooling water enters through the cooling water inlet pipe 2, enters into the back flushing pipe 7 through the water inlet valve 21, enters through the back flushing valve 71 from the water outlet end of the cooler 8, is discharged into the back flushing loop pipe 6 from the water inlet end of the cooler 8, passes through the loop pipe valve 61 and is discharged from the cooling water outlet pipe 1, back flushing operation of the cooler 8 can be realized, and the problem of internal blockage can be solved conveniently and rapidly.
Claims (6)
1. The utility model provides a power station generating set cooling water monitoring and governing system, includes cooler (8) that set up on power station generating set, its characterized in that, this cooling water monitoring and governing system still includes:
the cooling water inlet pipe (2) and the cooling water outlet pipe (1) are arranged at the water inlet end and the water outlet end of the cooler (8), and the water inlet end of the cooling water inlet pipe (2) and the water outlet end of the cooling water outlet pipe (1) are respectively provided with a monitoring component;
a back flushing assembly for back flushing the cooler (8) is further arranged between the cooling water inlet pipe (2) and the cooling water outlet pipe (1);
one end of the cooling water inlet pipe (2) is communicated with the water inlet end of the cooler (8), a water inlet valve (21) and a shunt valve (22) are respectively arranged between the cooling water inlet pipe (2) and the cooler (8), the cooling water outlet pipe (1) is communicated with the water outlet end of the cooler (8), and a water outlet valve (11) is arranged between the cooling water outlet pipe (1) and the cooler (8).
2. The cooling water monitoring and adjusting system of the hydroelectric generating set according to claim 1, wherein the back flushing assembly comprises a back flushing loop pipe (6) which is communicated with the cooling water outlet pipe (1) and is close to one end of the electromagnetic flowmeter I (3), the other end of the back flushing loop pipe (6) is communicated with the cooling water inlet pipe (2) and is positioned between the shunt valve (22) and the cooler (8), and a loop pipe valve (61) is arranged on the back flushing loop pipe (6) close to the cooling water inlet pipe (2).
3. The cooling water monitoring and adjusting system of the hydropower station generator set according to claim 1, wherein a back flushing pipe (7) is further communicated between the water inlet valve (21) and the shunt valve (22) on the cooling water inlet pipe (2), a back flushing valve (71) is arranged on the back flushing pipe (7), and the other end of the back flushing pipe (7) is communicated with the cooling water outlet pipe (1) and is positioned between the water outlet valve (11) and the cooler (8).
4. The system for monitoring and adjusting cooling water of a hydroelectric generating set according to claim 1, wherein the monitoring assembly comprises a second electromagnetic flowmeter (4) arranged at the water inlet end of the cooling water inlet pipe (2) and a first electromagnetic flowmeter (3) arranged at the water outlet end of the cooling water outlet pipe (1), and the second electromagnetic flowmeter (4) and the first electromagnetic flowmeter (3) are both connected with an alarm (5).
5. The system for monitoring and adjusting cooling water of a hydroelectric generating set according to claim 1, wherein a plurality of pipeline brackets are distributed on the cooling water outlet pipe (1) and the cooling water inlet pipe (2) at equal intervals.
6. The system for monitoring and adjusting cooling water of a hydroelectric generating set according to claim 1, further comprising an external controller, wherein the controller is electrically connected with the electromagnetic flowmeter II (4) and the alarm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320604428.1U CN219570238U (en) | 2023-03-24 | 2023-03-24 | Hydropower station generator set cooling water monitoring and adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320604428.1U CN219570238U (en) | 2023-03-24 | 2023-03-24 | Hydropower station generator set cooling water monitoring and adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219570238U true CN219570238U (en) | 2023-08-22 |
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ID=87673144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320604428.1U Active CN219570238U (en) | 2023-03-24 | 2023-03-24 | Hydropower station generator set cooling water monitoring and adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219570238U (en) |
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2023
- 2023-03-24 CN CN202320604428.1U patent/CN219570238U/en active Active
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