CN113758299A - Water outlet system and method for small condenser of direct air-cooling thermal power generating unit - Google Patents
Water outlet system and method for small condenser of direct air-cooling thermal power generating unit Download PDFInfo
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- CN113758299A CN113758299A CN202111050029.7A CN202111050029A CN113758299A CN 113758299 A CN113758299 A CN 113758299A CN 202111050029 A CN202111050029 A CN 202111050029A CN 113758299 A CN113758299 A CN 113758299A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 238000001816 cooling Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 235000020681 well water Nutrition 0.000 claims abstract description 9
- 239000002349 well water Substances 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 230000005484 gravity Effects 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B11/00—Controlling arrangements with features specially adapted for condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/04—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a small condenser water outlet system of a direct air-cooling thermal power generating unit, which comprises a small condenser, a small condenser hot well water outlet door at the bottom of the small condenser, a self-flowing water outlet pipe connected with the small condenser hot well water outlet door, a self-flowing water outlet butterfly valve arranged on the self-flowing water outlet pipe, a main engine steam exhaust device, a small condensed water pump set connected with the self-flowing water outlet pipe in parallel, an adjusting valve set arranged at the outlet of the small condensed water pump set, a small condensed water pump recirculation pipe arranged between the small condenser and the condensed water pump set outlet, a control box and a liquid level sensor, wherein the self-flowing water outlet pipe comprises a U-shaped structure and an inverted U-shaped structure, the inverted U-shaped structure is arranged close to the small condenser, and a programmable logic controller is arranged in the control box. The invention greatly improves the operation reliability, reduces the operation time of the small condensing pump, saves the operation electric quantity, shortens the operation time of the pump, can prolong the overhaul period and the service life of the pump, and reduces the maintenance cost.
Description
Technical Field
The invention relates to the technical field of water outlet of condensers of thermal power plants, in particular to a water outlet system and method for a condenser of a small unit of a direct air-cooling thermal power unit.
Background
In order to maintain stable water supply flow, a steam-driven water supply pump of a direct air cooling unit is often provided with a wet condenser (called a condenser) independently due to high backpressure and quick change of a main turbine, the condenser is generally arranged on a 0-meter layer, and a steam exhaust device of a main engine is generally arranged on a-4.5-meter layer. The small condenser is used for cooling the steam discharged by the steam feed pump and mainly comprises a shell, a cooling tube bundle, a front water chamber, a rear water chamber, an air pumping chamber, a hot well, an end cover and the like. The condensed water in the condenser is boosted by the condenser pump and then is conveyed to the hot well of the exhaust device of the main engine to complete the recovery of the working medium. But there is the problem in the operation of little condenser water system: (1) in the daily operation of a thermal power plant, the small-engine condensate pump is always in an operating state, so that a large amount of electric energy is consumed; (2) when a small condensing pump breaks down in operation, the whole water outlet system stops water delivery to influence the operation reliability of the unit.
Disclosure of Invention
The invention provides a water outlet system and a water outlet method for a condenser of a small turbine of a direct air-cooling thermal power generating unit, which can improve the operation reliability of the unit, greatly save the operation power consumption of the small turbine pump and prolong the service life of the pump.
The technical scheme of the invention is as follows: a water outlet system of a small condenser of a direct air-cooling thermal power generating unit comprises a plurality of small condensers which are connected in parallel, a small condenser hot well water outlet door at the bottom of each small condenser, a self-flowing water outlet pipe connected with the small condenser hot well water outlet door, a self-flowing water outlet butterfly valve arranged on the self-flowing water outlet pipe, a main engine steam exhaust device, a small condensed water pump set connected with the self-flowing water outlet pipe in parallel, a regulating valve set arranged at the outlet of the small condensed water pump set, a small condensed water pump recirculation pipe arranged between the water inlet of each small condenser and the outlet of the condensed water pump set, an air pumping device arranged on the self-flowing water outlet pipe, a control box and a liquid level sensor, wherein the self-flowing water outlet pipe comprises a U-shaped structure and an inverted U-shaped structure, the inverted U-shaped structure is arranged close to the small condenser, a programmable logic controller is arranged in the control box, and the input end of the control box is connected with the liquid level sensor, the output end of the control box is connected with the input ends of the self-flowing water outlet butterfly valve, the regulating valve group and the small-sized condensate pump group, and the control box is used for controlling the self-flowing water outlet butterfly valve to be closed in a linkage manner when the small-sized condensate pump group is automatically started, and then the small-sized condenser liquid level is maintained to be stable through the regulating valve group.
Preferably, the air pumping device comprises an air pumping tank and an air pumping pipe, the air pumping tank is arranged at the top end of the inverted U-shaped bend of the inverted U-shaped structure, and the air pumping pipe is connected with an outlet of the air pumping tank.
Preferably, the lowest part of the U-shaped structure of the self-flowing water outlet pipe is provided with a water drain door.
Preferably, the height of the inverted U-shaped bending highest point of the inverted U-shaped structure of the self-flowing water outlet pipe is between a 200mm water level line and a normal water level line of the small-sized motor condenser, the height of the inverted U-shaped bending highest point is A from the normal water level line, A is larger than or equal to 200mm, and the distance from the lowest point of the inverted U-shaped bending to a 0 water level line of the small-sized motor hot well is B, and B is larger than 0.
Preferably, the model of the programmable logic controller is M564-TETH-AX 561.
Preferably, a recirculation valve is further provided, and the recirculation valve is connected with the regulating valve group in parallel.
In another aspect of the present invention, a method for discharging water from a condenser of a small turbine of a direct air-cooling thermal power generating unit is provided, which comprises the steps of:
s1: the bottom of a water outlet door of a small condenser hot well is provided with a hole and is connected with and installed with a self-flowing water outlet pipe, a self-flowing water outlet butterfly valve is installed on the self-flowing water outlet pipe, and the outlet of the self-flowing water outlet pipe is connected with a hot well of a main engine steam exhaust device;
s2: a small-machine condensate pump set is installed and connected with the gravity flow water outlet pipe in parallel to form two drainage pipelines, and an adjusting valve set is installed at the outlet end of the small-machine condensate pump set and can automatically adjust the water level of a small-machine condenser through the opening degree;
s3: installing a recirculation pipe of the small-machine condensate pump, wherein one end of the recirculation pipe is installed at the water inlet end of the small-machine condenser, and the other end of the recirculation pipe is connected with the outlet end of a pump set of the small-machine condensate pump;
s4: an air extraction device is arranged at an opening at the top of the inverted U-shaped bend of the gravity flow water outlet pipe, and a drain door is arranged at an opening at the bottom of the U-shaped bend;
s5: the installation level sensor, level sensor's output and the input of control box are connected, the output of control box and the play water butterfly valve that flows automatically, the regulating valve group, little quick-witted condensate pump package are connected, through the start-up of the play water butterfly valve that flows automatically of programmable logic controller control in the control box, with the condensate water in the little quick-witted condenser through flowing out the water pipe flow to host computer exhaust apparatus, accomplish the recovery of working medium, when little quick-witted condenser water level is higher than normal liquid level take the altitude, one or more little quick-witted condensate pump automatic start of little quick-witted condensate pump package, the play water butterfly valve automatic interlocking closes that flows automatically, simultaneously when little quick-witted condensate pump moves, the regulating valve group is through aperture size automatically regulated little quick-witted condenser water level stabilization.
The invention has the advantages that:
the self-flowing water outlet pipe is connected to the main engine exhaust device, and condensed water in the small condenser flows to the main engine exhaust device through the self-flowing water outlet pipe during operation to complete the recovery of working media; meanwhile, a forced drainage bypass for conveying condensed water by a small-machine condensed water pump set is arranged at the gravity flow water outlet pipe, and the forced drainage bypass is put into use when the water level difference between the small-machine condenser and a main machine steam exhaust device is not enough to offset the back pressure difference so as to maintain the water level in the small-machine condenser to be stable; the gravity flow water outlet pipe comprises a U-shaped structure and an inverted U-shaped structure, the height of the inverted U-shaped bend is between a 200mm water level line and a normal water level line of the small-sized condenser, and the small-sized condenser is prevented from being pumped out to cause small-sized exhaust steam to enter a main engine exhaust device through a gravity flow pipe; an air pumping device is arranged at the top of the inverted U-shaped bend of the self-flowing water outlet pipeline, so that air is prevented from being gathered at the top of the pipeline to form an air plug, and the flowing of working media is influenced; the small condenser condensate pump is provided with automatic starting logic, and when the water level in the small condenser is higher than the normal liquid level by a certain height, one small condenser pump is automatically started; the self-flowing water outlet butterfly valve is provided with automatic interlocking logic: when the small condensed water pump runs, the self-flowing water outlet butterfly valve is automatically closed; when the small condenser water pump runs, the regulating valve group automatically regulates the water level stability of the small condenser through the opening degree.
When the device is put into normal operation, all devices through which working media pass are static devices, so that the operation reliability is greatly improved; the invention can greatly reduce the running time of the condensate pump and save the running electric quantity; meanwhile, the running time of the pump is shortened, the overhaul period and the service life of the pump can be prolonged, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a condenser water outlet system of a small unit of a direct air-cooling thermal power generating unit according to the invention;
FIG. 2 is an installation schematic diagram of an air pumping device of a water outlet system of a condenser of a small unit of a direct air-cooling thermal power generating unit;
FIG. 3 is a schematic diagram of an arrangement of a self-flow water outlet pipe of a water outlet system of a condenser of a small unit of a direct air-cooling thermal power generating unit;
wherein: 1. the system comprises a small condenser, 2, a small condenser hot well water outlet door, 3, a self-flowing water outlet pipe, 4, a self-flowing water outlet butterfly valve, 5, a main engine steam exhaust device, 6, a water drain door, 7, a small condensed water pump set, 8, a regulating valve set, 9, a small condensed water pump recirculation pipe, 10, an air pumping device, 101, an air pumping tank, 102 and an air pumping pipe.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
As shown in fig. 1 to 3, the specific embodiments of the present invention are: a water outlet system of a small condenser of a direct air-cooling thermal power generating unit comprises a plurality of small condensers 1 which are connected in parallel, a small condenser hot well water outlet door 2 at the bottom of each small condenser 1, a self-flowing water outlet pipe 3 connected with the small condenser hot well water outlet door 2, a self-flowing water outlet butterfly valve 4 arranged on the self-flowing water outlet pipe 3, a main engine steam exhaust device 5, a small condensed water pump set 7 connected with the self-flowing water outlet pipe 3 in parallel, an adjusting valve set 8 arranged at the outlet of the small condensed water pump set 7, a small condensed water pump recirculation pipe 9 arranged between the water inlet of the small condenser 1 and the outlet of the condensed water pump set 7, an air pumping device 10 arranged on the self-flowing water outlet pipe 3, a control box and a liquid level sensor, wherein the self-flowing water outlet pipe 3 comprises a U-shaped structure and an inverted U-shaped structure, the inverted U-shaped structure is arranged close to the small condensers 1, and a programmable logic controller is arranged in the control box, the input end of the control box is connected with the liquid level sensor, the output end of the control box is connected with the input ends of the self-flowing water outlet butterfly valve 4, the regulating valve group 8 and the small-sized condensate pump set 7, the control box is used for controlling the self-flowing water outlet butterfly valve 4 to be closed in a linkage mode when the small-sized condensate pump set 7 is started automatically, and then the liquid level stability of the small-sized condenser 1 is maintained through the regulating valve group 8.
Referring to fig. 1, the small condenser 1 includes a small condenser a and a small condenser B, and a plurality of small condensed water pump sets 7 are provided, and when one of them is started, the self-flowing water butterfly valve 4 can be closed in a linkage manner.
Further, the air pumping device 10 comprises an air pumping tank 101 and an air pumping pipe 102, the air pumping tank 101 is arranged at the top end of the inverted U-shaped bend of the inverted U-shaped structure of the gravity flow water outlet pipe 3, the air pumping pipe 102 is connected with an outlet of the air pumping tank 101, and referring to fig. 2, when the air pumping device 10 is used, air is prevented from being gathered at the top of the pipeline, an air plug is formed, and the flowing of working media is influenced.
Furthermore, the bottom of the U-shaped structure of the self-flowing water outlet pipe 3 is provided with a water drain door 6.
Furthermore, the height of the inverted U-shaped highest point of the inverted U-shaped structure of the gravity flow water outlet pipe 3 is between the 200mm water level line and the normal water level line of the small-sized condenser 1, referring to fig. 3, the height of the inverted U-shaped highest point is A from the normal water level line, A is larger than or equal to 200mm, the distance from the lowest point of the inverted U-shaped bend to the 0 water level line of the small-sized heat well is B, and B is larger than 0, so that the small-sized condenser 1 is prevented from being pumped out, and small-sized exhaust steam enters the main engine steam exhaust device 5 through the gravity flow water outlet pipe 3.
Furthermore, the model of the programmable logic controller is M564-TETH-AX561, when the gravity flow water outlet pipe 3 runs, the outlet valve 2 of the condenser hot well and the gravity flow water outlet butterfly valve 4 of the small condenser are opened, the pump set 7 of the condensate pump is stopped, and the condensate water in the small condenser 1 automatically flows into the main engine steam exhaust device 5 through the height difference; when the water level of the small condenser 1 cannot be maintained through self-flowing or the water level of the small condenser 1 rises to a certain height, one small condensing pump of the condensing pump set 7 is automatically started, the self-flowing water outlet butterfly valve 4 is closed in a linkage mode, and then the liquid level of the small condenser 1 is maintained to be stable through the adjusting valve set 8.
The invention further provides a recirculation valve which is connected with the regulating valve group 8 in parallel.
In another aspect of the present invention, a method for discharging water from a condenser of a small turbine of a direct air-cooling thermal power generating unit is provided, which comprises the steps of:
s1: the bottom of a water outlet door 2 of a small condenser hot well is provided with a hole and is connected with and installed with a self-flowing water outlet pipe 3, a self-flowing water outlet butterfly valve 4 is installed on the self-flowing water outlet pipe 3, and the outlet of the self-flowing water outlet pipe 3 is connected with a hot well of a main engine steam exhaust device 5;
s2: a small-machine condensate pump set 7 is installed and connected with the gravity flow water outlet pipe 3 in parallel to form two drainage pipelines, and an adjusting valve set 8 is installed at the outlet end of the small-machine condensate pump set 7 and can automatically adjust the water level of the small-machine condenser 1 according to the opening degree;
s3: a small machine condensate pump recirculation pipe 9 is installed, one end of the small machine condensate pump recirculation pipe is installed at the water inlet end of the small machine condenser 1, and the other end of the small machine condensate pump recirculation pipe is connected with the outlet end of a small machine condensate pump set 7;
s4: an air extraction device 10 is arranged at an opening at the top of the inverted U-shaped bend of the gravity flow water outlet pipe 3, and a drain door 6 is arranged at an opening at the bottom of the U-shaped bend;
s5: the installation level sensor, level sensor's output and the input of control box are connected, the output of control box and the water butterfly valve 4 that flows automatically, the governing valve group 8, little quick-witted condensate pump group 7 is connected, control through programmable logic controller control in the control box and flow automatically that goes out the water butterfly valve 4 and start, with the condensate water in little quick-witted condenser 1 through 3 flows to host computer exhaust apparatus 5 of flowing automatically of outlet pipe, accomplish the recovery of working medium, when the water level is higher than normal liquid level take the altitude in little quick-witted condenser 1, one or more little quick-witted condensate pump automatic start of little quick-witted condensate pump group 7, the water butterfly valve 4 automatic interlocking that flows automatically closes, simultaneously when little quick-witted condensate pump moves, governing valve group 8 is through aperture size automatically regulated little quick-witted condenser 1 water level stabilization.
While the preferred embodiments of the invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. A water outlet system of a small condenser of a direct air-cooling thermal power generating unit is characterized by comprising a plurality of small condensers which are connected in parallel, a small condenser hot well water outlet door at the bottom of each small condenser, a self-flowing water outlet pipe connected with the small condenser hot well water outlet door, a self-flowing water outlet butterfly valve arranged on the self-flowing water outlet pipe, a main engine steam exhaust device, a small condensed water pump set connected with the self-flowing water outlet pipe in parallel, a regulating valve set arranged at the outlet of the small condensed water pump set, a small condensed water pump recirculation pipe arranged between the water inlet of each small condenser and the outlet of the condensed water pump set, a control box and a liquid level sensor, wherein the self-flowing water outlet pipe comprises a U-shaped structure and an inverted U-shaped structure, the inverted U-shaped structure is arranged close to the small condenser, a programmable logic controller is arranged in the control box, and the input end of the control box is connected with the liquid level sensor, the output end of the control box is connected with the input ends of the self-flowing water outlet butterfly valve, the regulating valve group and the small-sized condensate pump group, and the control box is used for controlling the self-flowing water outlet butterfly valve to be closed in a linkage manner when the small-sized condensate pump group is automatically started, and then the small-sized condenser liquid level is maintained to be stable through the regulating valve group.
2. The water outlet system of the condenser for the small unit of the direct air-cooled thermal power generating unit as claimed in claim 1, wherein an air pumping device is arranged at the top of the inverted U-shaped structure of the gravity flow water outlet pipe.
3. The water outlet system of the condenser of the small unit of the direct air-cooled thermal power generating unit as claimed in claim 2, wherein the air pumping device comprises an air pumping tank and an air pumping pipe, the air pumping tank is arranged at the top end of the inverted U-shaped bend of the inverted U-shaped structure, and the air pumping pipe is connected with an outlet of the air pumping tank.
4. The water outlet system of the condenser of the small unit of the direct air-cooled thermal power generating unit as claimed in claim 1, wherein a water drain door is arranged at the lowest part of the U-shaped structure of the self-flowing water outlet pipe.
5. The water outlet system of the condenser of the small engine of the direct air-cooled thermal power generating unit as claimed in claim 1, wherein the height of the highest point of the inverted U-shaped bend of the inverted U-shaped structure of the gravity flow water outlet pipe is a from the normal water line, and the distance of the lowest point of the inverted U-shaped bend is B from the 0 water line of the small engine thermal well.
6. The water outlet system of the condenser of the small unit of the direct air-cooled thermal power generating unit as claimed in claim 5, wherein A is larger than or equal to 200mm, and B is larger than 0.
7. The water outlet system of the condenser of the small unit of the direct air-cooled thermal power generating unit as claimed in claim 1, wherein the model of the programmable logic controller is M564-TETH-AX 561.
8. The water outlet system of the condenser of the small unit of the direct air-cooled thermal power generating unit as claimed in claim 1, further comprising a recirculation valve, wherein the recirculation valve is connected in parallel with the regulating valve group.
9. A water outlet method of a condenser of a small machine of a direct air-cooling thermal power generating unit is characterized by comprising the following steps:
s1: the bottom of a water outlet door of a small condenser hot well is provided with a hole and is connected with and installed with a self-flowing water outlet pipe, a self-flowing water outlet butterfly valve is installed on the self-flowing water outlet pipe, and the outlet of the self-flowing water outlet pipe is connected with a hot well of a main engine steam exhaust device;
s2: a small-machine condensate pump set is installed and connected with the gravity flow water outlet pipe in parallel to form two drainage pipelines, and an adjusting valve set is installed at the outlet end of the small-machine condensate pump set and can automatically adjust the water level of a small-machine condenser through the opening degree;
s3: installing a recirculation pipe of the small-machine condensate pump, wherein one end of the recirculation pipe is installed at the water inlet end of the small-machine condenser, and the other end of the recirculation pipe is connected with the outlet end of a pump set of the small-machine condensate pump;
s4: an air extraction device is arranged at an opening at the top of the inverted U-shaped bend of the gravity flow water outlet pipe, and a drain door is arranged at an opening at the bottom of the U-shaped bend;
s5: the installation level sensor, level sensor's output and the input of control box are connected, the output of control box and the play water butterfly valve that flows automatically, the regulating valve group, little quick-witted condensate pump package are connected, through the start-up of the play water butterfly valve that flows automatically of programmable logic controller control in the control box, with the condensate water in the little quick-witted condenser through flowing out the water pipe flow to host computer exhaust apparatus, accomplish the recovery of working medium, when little quick-witted condenser water level is higher than normal liquid level take the altitude, one or more little quick-witted condensate pump automatic start of little quick-witted condensate pump package, the play water butterfly valve automatic interlocking closes that flows automatically, simultaneously when little quick-witted condensate pump moves, the regulating valve group is through aperture size automatically regulated little quick-witted condenser water level stabilization.
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4434620A (en) * | 1981-07-08 | 1984-03-06 | Hitachi, Ltd. | Condensation system for power plant |
CN102322307A (en) * | 2011-06-18 | 2012-01-18 | 山西省电力勘测设计院 | Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit |
CN209726850U (en) * | 2018-08-30 | 2019-12-03 | 天津科尔节能技术有限公司 | A kind of steam exhaust recycling condensate system double wave S-shaped pipe |
CN210511636U (en) * | 2019-08-02 | 2020-05-12 | 四川神华天明发电有限责任公司 | Drainage control system of condensate water tank |
CN211399760U (en) * | 2019-12-11 | 2020-09-01 | 南京德能动力科技有限公司 | Waste heat power station hot well liquid level control system |
CN216588749U (en) * | 2021-09-08 | 2022-05-24 | 大唐陕西发电有限公司 | Water outlet system of small condenser of direct air cooling thermal power generating unit |
-
2021
- 2021-09-08 CN CN202111050029.7A patent/CN113758299A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4434620A (en) * | 1981-07-08 | 1984-03-06 | Hitachi, Ltd. | Condensation system for power plant |
CN102322307A (en) * | 2011-06-18 | 2012-01-18 | 山西省电力勘测设计院 | Condensed water automatic discharging system of water-feeding pump steam turbine of direct air cooling unit |
CN209726850U (en) * | 2018-08-30 | 2019-12-03 | 天津科尔节能技术有限公司 | A kind of steam exhaust recycling condensate system double wave S-shaped pipe |
CN210511636U (en) * | 2019-08-02 | 2020-05-12 | 四川神华天明发电有限责任公司 | Drainage control system of condensate water tank |
CN211399760U (en) * | 2019-12-11 | 2020-09-01 | 南京德能动力科技有限公司 | Waste heat power station hot well liquid level control system |
CN216588749U (en) * | 2021-09-08 | 2022-05-24 | 大唐陕西发电有限公司 | Water outlet system of small condenser of direct air cooling thermal power generating unit |
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