CN214198627U - Can prevent system of draining of full water accident of power plant condenser hot well - Google Patents
Can prevent system of draining of full water accident of power plant condenser hot well Download PDFInfo
- Publication number
- CN214198627U CN214198627U CN202120135573.0U CN202120135573U CN214198627U CN 214198627 U CN214198627 U CN 214198627U CN 202120135573 U CN202120135573 U CN 202120135573U CN 214198627 U CN214198627 U CN 214198627U
- Authority
- CN
- China
- Prior art keywords
- water
- condenser
- hot well
- outlet
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses a can prevent system of draining of full water accident of power plant condenser hot well, include: the system comprises a steam turbine, a condenser, a hot well and a control system, wherein an inlet of the steam turbine is communicated with a heat source outlet of a boiler, a cooling inlet of the condenser is communicated with an outlet of the steam turbine, the hot well is used for collecting condensed water of the condenser, an inlet of the hot well is communicated with an outlet of the condenser, the hot well is provided with a circulating water outlet and an emergency water outlet, the circulating water outlet is communicated with a water source inlet of the boiler, and the emergency water outlet is used for discharging water in the condenser when the boiler fails so as to avoid the occurrence of a hot well full water accident; a cold source outlet of the circulating pool is communicated with a water supply inlet of the condenser; the utility model has flexible operation, is not limited by low voltage power loss or submersible pump faults, can effectively control the water level of the hot well, and avoids the occurrence of hot well water filling accidents; and the water source in the hot well can be recycled, so that the utilization rate is improved, and the production cost is reduced.
Description
Technical Field
The utility model belongs to power plant energy recovery field especially relates to a system of draining that can prevent power plant condenser hot-well full water accident.
Background
The water level of a steam turbine condenser is always an important index for monitoring the operating parameters of the steam turbine, the water level should be kept within a certain range and cannot be too high or too low, otherwise, the safe operation of a unit is seriously threatened.
The harm of full water of the condenser is very large, water impact caused by water inflow of a cylinder is easily caused, vacuum rapidly descends, a vacuum pump is damaged, and then the full water of the condenser is caused by normal operation, such as no water pumping due to the fault of a condensate pump, the closing of an upper water adjusting valve of the condensate water or the misoperation of a valve of the condensate water system, the serious imbalance of water supply and water return and the leakage of the condenser caused by the overlarge opening degree of a water replenishing adjusting valve of the condenser, namely the water side leaks into the steam side.
In normal power generation system, the accident drain pipe of hot-well inserts the condensate pump pit, then utilizes the immersible pump to arrange the drainage to the factory building pit, discovers after the operation of a year more: when the low voltage is lost or the submersible pump is in fault, the drainage of the hot well cannot be pumped away, the water accumulation in the pit of the condensate pump is serious, the condensate pump is submerged by water, and even the accident of the hot well water-full equipment is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can prevent the system that drains of full water accident of power plant condenser hot well, can prevent effectively and control the emergence of the full water accident of hot well.
The utility model adopts the following technical scheme: the utility model provides a can prevent system of draining of full water accident of power plant condenser hot-well, includes:
a steam turbine, the inlet of which is communicated with the heat source outlet of the boiler and is used for generating electricity by utilizing the heat source of the boiler,
a condenser, the cooling inlet of which is communicated with the outlet of the turbine and is used for cooling the heat source passing through the turbine,
the hot well is used for collecting condensed water of the condenser, an inlet of the hot well is communicated with an outlet of the condenser, the hot well is provided with a circulating water outlet and an emergency water outlet, the circulating water outlet is communicated with a water source inlet of the boiler, the circulating water is supplied to the boiler, so that the boiler heats the part of the water again and then conveys the part of the water to the turbine for power generation, and the emergency water outlet is used for discharging the water in the condenser when the boiler fails, so that the hot well water full accident is avoided;
and a cold source outlet of the circulating tank is communicated with a water supply inlet of the condenser and used for supplying a cold source for the condenser so as to perform heat exchange and temperature reduction with a heat source entering the condenser.
Further, the circulating water export of hot-well passes through pipe connection to trench, and the trench setting is peripheral at the power plant, and the trench passes through pipe connection to recovery pond, and recovery pond is linked together through pipeline and circulation pond, and the trench is used for the log raft play in the hot-well, avoids taking place the full well accident to carry the water source to the circulation pond through recovery pond and circulate once more, be provided with the valve between hot-well and the trench.
Further, a recovery pump is arranged in the recovery tank and used for conveying water in the recovery tank to the circulating tank.
The utility model has the advantages that: the utility model has flexible operation, is not limited by low voltage power loss or submersible pump faults, can effectively control the water level of the hot well, and avoids the occurrence of hot well water filling accidents; and the water source in the hot well can be recycled, so that the utilization rate is improved, and the production cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a steam turbine; 2. a condenser; 3. a hot well; 4. a circulation tank; 5. a boiler; 6. a trench; 7. and (5) a recovery tank.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a can prevent system of draining of full water accident of power plant's condenser hot well, as shown in fig. 1, including steam turbine 1, condenser 2, hot well 3, circulating pond 4, the entry of steam turbine 1 is linked together with boiler 5's heat source export, and steam turbine 1 is used for utilizing boiler 5's heat source to generate electricity.
A cooling inlet of the condenser 2 is communicated with an outlet of the steam turbine 1, the condenser 2 is used for cooling a heat source passing through the steam turbine 1, the hot well 3 is used for collecting condensed water of the condenser 2, an inlet of the hot well 3 is communicated with an outlet of the condenser 2, the hot well 3 is provided with a circulating water outlet and an emergency water outlet, the circulating water outlet is communicated with a water source inlet of the boiler 5, and the circulating water is supplied to the boiler 5, so that the boiler 5 heats part of water again and then conveys the part of water into the steam turbine 1 for power generation; the accident water outlet is used for discharging water in the condenser 2 when the boiler 5 breaks down, so that the accident that the hot well 3 is full of water is avoided.
The cold source export of circulation pond 4 is linked together with condenser 2's cold source entry, and circulation pond 4 is used for supplying the cold source for condenser 2, and then carries out the heat exchange cooling with the heat source that gets into in condenser 2, and when no accident takes place, the water supply condenser 2 of circulation pond 4 cools off the heat source in it, when the emergence accident, carries middle circulation pond 4 through trench 6 and recovery pond 7 with condenser 2's drainage for the accident drainage is not extravagant, recycles once more.
The circulating water export of hot-well 3 passes through pipe connection to trench 6, trench 6 sets up in the power plant periphery, trench 6 passes through pipe connection to recovery tank 7, recovery tank 7 is linked together through pipeline and circulation pond 4, trench 6 is used for discharging the water in the hot-well 3, avoid taking place the full well accident, and carry the water source to circulation pond 4 through recovery tank 7 and circulate once more, be provided with the recovery pump in the recovery tank 7, the recovery pump is used for carrying the water in the recovery tank 7 to circulation pond 4. A valve is arranged between the hot well 3 and the trench 6.
In normal power generation system, the accident drain pipe of hot-well 3 inserts the condensate pump pit, then utilizes the immersible pump to arrange the drainage to the factory building pit, discovers after the operation more than a year: when the low voltage loses electricity or the submersible pump breaks down, the drainage of the hot well 3 can not be pumped away, the water accumulation in the pit of the condensate pump is serious, the condensate pump is submerged by water, and even the accident of the hot well 3 full water equipment is caused.
The utility model has flexible operation, is not limited by low voltage power loss or submersible pump faults, can effectively control the water level of the hot well 3, and avoids the occurrence of hot well 3 water full accidents; and the water source in the hot well 3 can be recycled, so that the utilization rate is improved, and the production cost is reduced.
The utility model provides a 3 accident drain pipes's of hot-well reform transform the back, 3 water levels of hot-well can be adjusted at any time, reduce the equipment accident rate, the drain valve between trench 6 and the hot-well 3 is in time opened according to the water level of hot-well 3 in the during operation, 3 water levels of hot-well in timely adjustment and control, stop the equipment accident that 3 full waters of hot-well caused, direct pass through the pipeline with the accident water export of hot-well 3 and insert factory building trench 6, utilize the difference in height on hot-well 3 and ground, directly go into trench 6 with the log raft, effective prevention is unable work as the immersible pump behind the low pressure power loss, cause 3 full water accidents of hot-well.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (3)
1. The utility model provides a can prevent system of draining of full water accident of power plant's condenser hot-well which characterized in that includes:
a steam turbine (1) having an inlet communicating with a heat source outlet of the boiler (5) for generating electricity by using the heat source of the boiler (5),
a condenser (2) with a cooling inlet communicated with the outlet of the turbine (1) for cooling the heat source passing through the turbine (1),
the hot well (3) is used for collecting condensed water of the condenser (2), an inlet of the hot well is communicated with an outlet of the condenser (2), the hot well (3) is provided with a circulating water outlet and an emergency water outlet, the circulating water outlet is communicated with a water source inlet of the boiler (5), the circulating water is supplied to the boiler (5), the boiler (5) heats the part of water again and then conveys the part of water into the steam turbine (1) for power generation, and the emergency water outlet is used for discharging the water in the condenser (2) when the boiler (5) breaks down, so that the water-full accident of the hot well (3) is avoided;
and a cold source outlet of the circulating tank (4) is communicated with a water supply inlet of the condenser (2) and is used for supplying a cold source for the condenser (2) and further performing heat exchange and cooling with a heat source entering the condenser (2).
2. The water discharge system capable of preventing the full water accident of the condenser hot well of the power plant as claimed in claim 1, wherein the circulating water outlet of the hot well (3) is connected to a trench (6) through a pipeline, the trench (6) is arranged at the periphery of the power plant, the trench (6) is connected to a recovery tank (7) through a pipeline, the recovery tank (7) is communicated with the circulating tank (4) through a pipeline, the trench (6) is used for discharging the water in the hot well (3) to avoid the full well accident, and a water source is conveyed to the circulating tank (4) through the recovery tank (7) for recycling, and a valve is arranged between the hot well (3) and the trench (6).
3. The water discharge system capable of preventing the power plant condenser hot well from being full of water accident according to claim 2, characterized in that a recovery pump is arranged in the recovery tank (7) and is used for conveying water in the recovery tank (7) to the circulation tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120135573.0U CN214198627U (en) | 2021-01-19 | 2021-01-19 | Can prevent system of draining of full water accident of power plant condenser hot well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120135573.0U CN214198627U (en) | 2021-01-19 | 2021-01-19 | Can prevent system of draining of full water accident of power plant condenser hot well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214198627U true CN214198627U (en) | 2021-09-14 |
Family
ID=77637959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120135573.0U Active CN214198627U (en) | 2021-01-19 | 2021-01-19 | Can prevent system of draining of full water accident of power plant condenser hot well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214198627U (en) |
-
2021
- 2021-01-19 CN CN202120135573.0U patent/CN214198627U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107293341B (en) | Pool type reactor | |
| CN103903659B (en) | Floating nuclear power plant Heat Discharging System of Chinese | |
| CN214247439U (en) | Novel on-spot exhaust steam of condensing steam turbine unit is hydrophobic to be synthesized and is retrieved device | |
| US5790619A (en) | Drain system for a nuclear power plant | |
| CN214198627U (en) | Can prevent system of draining of full water accident of power plant condenser hot well | |
| CN113294339A (en) | Automatic water replenishing system of water-ring vacuum pump for thermal power plant | |
| CN209308881U (en) | A kind of system improving power station technical water supply reliability | |
| CN111485350A (en) | Waste heat recovery system of setting machine | |
| CN110726132A (en) | Method and system for supplying water to steam generator of nuclear power station under low-power working condition | |
| CN215596407U (en) | Water turbine main shaft seal water supply and drainage system | |
| CN205314233U (en) | Multi -functional sump pit structure in power station | |
| CN114108745A (en) | Forced ventilation cooling direct current water taking and draining system | |
| CN210564980U (en) | Waste heat recovery device of air compressor | |
| CN201569739U (en) | Water hinge leakage circulating and recovering device | |
| CN104848289A (en) | Efficient heat-supply heating heat-exchange unit adopting steam heat source | |
| CN212106369U (en) | Slurry circulating pump mechanical seal cooling water system | |
| CN210740372U (en) | Large-scale generating set high back pressure steam-driven feed pump control system | |
| WO2013157989A1 (en) | System of leakage drains for a main circulating pump assembly | |
| CN114810242B (en) | Comprehensive utilization method and system for energy of back pressure turbine steam source | |
| CN220506485U (en) | Main steam pipe drainage system | |
| CN104848304A (en) | Energy-saving and emission-reducing steam heat exchange station | |
| CN219797321U (en) | Drainage system of heating network heater | |
| CN204829857U (en) | Boiler fan heater drainage system based on condensate trap and condenser | |
| CN211600663U (en) | Power generation system capable of carrying out online maintenance on leakage of high-pressure heater | |
| CN214173012U (en) | Condensate fine treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |