CN214537570U - Peak cooling system of direct air cooling unit - Google Patents
Peak cooling system of direct air cooling unit Download PDFInfo
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- CN214537570U CN214537570U CN202022985620.9U CN202022985620U CN214537570U CN 214537570 U CN214537570 U CN 214537570U CN 202022985620 U CN202022985620 U CN 202022985620U CN 214537570 U CN214537570 U CN 214537570U
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- air cooling
- boiler
- evaporative condenser
- condensate
- direct air
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Abstract
The utility model discloses a peak cooling system of direct air cooling unit, including boiler, over heater, steam turbine, steam exhaust device, condensate water finish treatment device, oxygen-eliminating device, pipeline, air cooling island, evaporative condenser, boiler, over heater, steam turbine, steam exhaust device, condensate water finish treatment device, oxygen-eliminating device pass through the pipeline and establish ties in proper order together, and install the water-feeding pump between oxygen-eliminating device and boiler, the input of water-feeding pump is connected on the oxygen-eliminating device, and the output of water-feeding pump is connected on the boiler, install condensate pump between steam exhaust device and the condensate water finish treatment device. The utility model discloses make direct air cooling tower's heat transfer ability improve more than 60%, under summer high temperature weather condition, can in time produce generating set and get the heat and distribute away, guaranteed generating set's normal operating, improved generating efficiency, solved the problem that direct air cooling unit radiating efficiency in summer hangs down, guaranteed generating set's normal operating simultaneously.
Description
Technical Field
The utility model belongs to the technical field of thermal power, in particular to peak cooling system of direct air cooling unit.
Background
Due to the shortage of water resources, the air cooling unit is widely applied to northwest areas of China and other water-deficient areas; in the peak period of power consumption in summer, the peak load pressure of the unit is higher; the power generation load of the air cooling unit is greatly influenced by the weather, and the weather temperature is relatively high in the peak electricity utilization period in summer, so that the peak regulation capacity of the air cooling unit is influenced; due to the characteristics of the direct air cooling unit, the direct air cooling tower is not enough in heat exchange capacity influenced by high temperature, so that the temperature of circulating water of the direct air cooling unit is increased, the back pressure of the generator set is increased, the power generation capacity of the unit is reduced, and the normal operation of the unit can be influenced in severe cases.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, provide a peak cooling system of direct air cooling unit, this system makes the heat transfer ability of direct air cooling tower improve more than 60%, under summer high temperature weather condition, can in time produce generating set and get the heat and distribute away, has guaranteed generating set's normal operating, has improved the generating efficiency, has solved the problem that direct air cooling unit radiating efficiency in summer hangs down, has guaranteed generating set's normal operating simultaneously.
In order to realize the purpose, the utility model discloses a technical scheme is:
a peak cooling system of a direct air cooling unit comprises a boiler, a superheater, a steam turbine, a steam exhaust device, a condensed water fine treatment device, a deaerator, a pipeline, an air cooling island and an evaporative condenser, the boiler, the superheater, the steam turbine, the steam exhaust device, the condensate fine treatment device and the deaerator are sequentially connected in series through pipelines, a feed water pump is arranged between the deaerator and the boiler, the input end of the feed water pump is connected with the deaerator, the output end of the feed water pump is connected with the boiler, a condensate pump is arranged between the steam exhaust device and the condensate fine treatment device, the input end of the condensate pump is connected with the steam exhaust device, the output end of the condensate pump is connected with the condensate fine treatment device, the input end and the output end of the evaporative condenser and the air cooling island are connected to the steam exhaust device, and the evaporative condenser and the air cooling island are communicated with each other.
Preferably, the evaporative condenser and the air cooling island are arranged on the same horizontal plane, so that the interconnection between the evaporative condenser and the air cooling island is ensured, the gas which cannot be condensed by one party is rapidly conveyed to the other party, the condensing efficiency is greatly improved, and the normal operation of the generator set is ensured.
Preferably, evaporative condenser and air cooling island set up in exhaust apparatus's top, guarantee that steam on the exhaust apparatus can get into evaporative condenser and air cooling island smoothly in, and can not import evaporative condenser and air cooling island with the comdenstion water together in, improved the condensation effect greatly, guaranteed generating set's normal operating.
The utility model has the advantages that:
1) the system improves the heat exchange capacity of the direct air cooling tower by more than 60%, can timely generate heat for the generator set to be distributed out under the high-temperature weather condition in summer, ensures the normal operation of the generator set, improves the power generation efficiency, solves the problem of low heat dissipation efficiency of the direct air cooling unit in summer, and simultaneously ensures the normal operation of the generator set.
2) This device evaporative condenser and air cooling island set up on same horizontal plane, have guaranteed the interconnect between evaporative condenser and the air cooling island, have guaranteed that the unable gas of condensation of one of them party carries the other party rapidly, have improved condensation efficiency greatly, have guaranteed generating set's normal operating.
3) This device evaporative condenser and air cooling island set up in exhaust apparatus's top, guarantee that steam on the exhaust apparatus can get into evaporative condenser and air cooling island smoothly in, and can not import evaporative condenser and air cooling island with the comdenstion water together in, improved the condensation effect greatly, guaranteed generating set's normal operating.
Drawings
Fig. 1 is a schematic diagram of the present invention.
In the figure: 1. a boiler; 2. a heat exchanger; 3. a steam turbine; 4. an evaporative condenser; 5. an air cooling island; 6. a condensate pump; 7. a condensate polishing device; 8. a steam exhaust device; 9. a deaerator; 10. a feed pump; 11. A pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The peak cooling system of the direct air cooling unit comprises a boiler 1, an overheater, a steam turbine 3, an exhaust device 8, a condensate fine treatment device 7, a deaerator 9, a pipeline 11, an air cooling island 5 and an evaporative condenser, wherein the boiler 1, the overheater, the steam turbine 3, the exhaust device 8, the condensate fine treatment device 7 and the deaerator 9 are sequentially connected in series through the pipeline 11, a water feed pump 10 is installed between the deaerator 9 and the boiler 1, the input end of the water feed pump 10 is connected onto the deaerator 9, the output end of the water feed pump 10 is connected onto the boiler 1, a condensate pump 6 is installed between the exhaust device 8 and the condensate fine treatment device 7, the input end of the condensate pump 6 is connected onto the exhaust device 8, the output end of the condensate pump 6 is connected onto the condensate fine treatment device 7, the input end and the output end of the evaporative condenser and the air cooling island 5 are both connected onto the exhaust device 8, and the evaporative condenser is communicated with the air cooling island 5.
The system improves the heat exchange capacity of the direct air cooling tower by more than 60%, can timely generate heat for the generator set to be distributed out under the high-temperature weather condition in summer, ensures the normal operation of the generator set, improves the power generation efficiency, solves the problem of low heat dissipation efficiency of the direct air cooling unit in summer, and simultaneously ensures the normal operation of the generator set.
Wherein, the system is additionally provided with an evaporative condenser and a steam exhaust device 8, the steam exhaust device 8 is used for connecting the air cooling island 5, the evaporative condenser and the steam turbine 3, on one hand, steam in the steam turbine 3 is uniformly conveyed to the air cooling island 5 and the evaporative condenser for cooling, on the other hand, condensed water generated by the air cooling island 5 and the evaporative condenser can be stored and conveyed to the next process, the continuous cycle work of the whole system is ensured, the air cooling island 5 and the evaporative condenser 4 run in parallel, generally, only the air cooling island 5 is started, the operation requirement can be met, when the back pressure of the steam turbine 3 continuously rises under extreme weather conditions, the evaporative condenser 4 is started when reaching a certain numerical value, the evaporative condenser 4 and the air cooling island 5 run in parallel, the cooling capacity of the circulating water is improved, the normal operation of the system is ensured, and meanwhile, the cooling efficiency is greatly improved, the normal work of the generator set is ensured.
The evaporative condenser 4 and the air cooling island 5 are arranged on the same horizontal plane, so that the interconnection between the evaporative condenser 4 and the air cooling island 5 is ensured, the gas which cannot be condensed by one party is rapidly conveyed to the other party, the condensing efficiency is greatly improved, and the normal operation of the generator set is ensured.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in relation to the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (3)
1. A peak cooling system of a direct air cooling unit is characterized by comprising a boiler, a superheater, a steam turbine, a steam exhaust device, a condensed water fine treatment device, a deaerator, a pipeline, an air cooling island and an evaporative condenser, the boiler, the superheater, the steam turbine, the steam exhaust device, the condensate fine treatment device and the deaerator are sequentially connected in series through pipelines, a feed water pump is arranged between the deaerator and the boiler, the input end of the feed water pump is connected with the deaerator, the output end of the feed water pump is connected with the boiler, a condensate pump is arranged between the steam exhaust device and the condensate fine treatment device, the input end of the condensate pump is connected with the steam exhaust device, the output end of the condensate pump is connected with the condensate fine treatment device, the input end and the output end of the evaporative condenser and the air cooling island are connected to the steam exhaust device, and the evaporative condenser and the air cooling island are communicated with each other.
2. The spike cooling system of a direct air cooling unit of claim 1, wherein the evaporative condenser is disposed at the same level as the air cooling island.
3. The spike cooling system of a direct air cooling unit of claim 1 wherein the evaporative condenser and the air cooling island are positioned above the steam extraction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985620.9U CN214537570U (en) | 2020-12-11 | 2020-12-11 | Peak cooling system of direct air cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985620.9U CN214537570U (en) | 2020-12-11 | 2020-12-11 | Peak cooling system of direct air cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214537570U true CN214537570U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202022985620.9U Active CN214537570U (en) | 2020-12-11 | 2020-12-11 | Peak cooling system of direct air cooling unit |
Country Status (1)
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|---|---|
| CN (1) | CN214537570U (en) |
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2020
- 2020-12-11 CN CN202022985620.9U patent/CN214537570U/en active Active
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