CN202108548U - Clamminess water supply pump steam turbine water condensation system used for direct air cooling unit - Google Patents
Clamminess water supply pump steam turbine water condensation system used for direct air cooling unit Download PDFInfo
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- CN202108548U CN202108548U CN2011202264877U CN201120226487U CN202108548U CN 202108548 U CN202108548 U CN 202108548U CN 2011202264877 U CN2011202264877 U CN 2011202264877U CN 201120226487 U CN201120226487 U CN 201120226487U CN 202108548 U CN202108548 U CN 202108548U
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- Prior art keywords
- buffer tank
- feed pump
- intake pipe
- pipe
- pump turbine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 206010009866 Cold sweat Diseases 0.000 title claims abstract description 22
- 238000009833 condensation Methods 0.000 title abstract description 9
- 230000005494 condensation Effects 0.000 title abstract description 9
- 238000001816 cooling Methods 0.000 title abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000004224 protection Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a clamminess water supply pump steam turbine water condensation system used for a direct air cooling unit, comprising at least one water supply pump turbine condenser, a water inlet pipe of a buffer tank, the buffer tank, a water outlet pipe of the buffer tank and a main turbine, wherein one end of the water inlet pipe of the buffer tank is connected with an outlet of the water supply pump turbine condenser, and the other end of the water inlet pipe of the buffer tank is connected with the buffer tank; the opening of the water inlet pipe of the buffer tank extends to the bottom of the buffer tank; and the water inlet pipe of the buffer tank is provided with a valve. The clamminess water supply pump steam turbine water condensation system has the advantages that the system is simple, rotation equipment is not needed, the reliability is high, and the system is only provided with pipelines and valves, so that the maintenance work is basically not needed, so that the investment is saved; and condensation water can flow by itself depending on water level difference, energy loss is avoided, and an energy saving effect is obvious.
Description
Technical field
The utility model relates to a kind of clammy feed pump turbine condensate system, particularly relates to a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit.
Background technique
In the thermal power plant of adopting the motorized motions feed water pump, the feed water pump consumed power has occupied the bigger share of power plant's station service.At present,, in order to reduce station service, increase electricity volume for the direct air-cooling turbine group, each power station all active adoption steam feed pump, to reduce station service power consumption rate.For the direct air-cooling turbine group; The steam feed pump that adopts at present; Its steam discharge has basically all adopted clammy vapour condenser; After adopting clammy vapour condenser, the water of condensation of feed pump turbine all is through the condensate pump that continuous operation is set separately the water of condensation of feed pump turbine to be squeezed into big turbine discharge device through pipeline and after modulating valve is set.
The shortcoming of this system is a system complex, and every feed pump turbine all need be provided with 2 condensate pumps, an operation; One subsequent use, and systems such as corresponding pump discharge modulating valve, water level control, recirculation will be set, if unit has 2 steam feed pumps; System is complicated more, and it is complicated to cause control to safeguard, cost is higher; And operation energy consumption is higher, and Economy is relatively poor.
The model utility content
The purpose of the utility model is to provide a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit.
The purpose of the utility model is implemented by following technological scheme; A kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit; It includes at least 1 feed pump turbine vapour condenser, buffer tank intake pipe, buffer tank; Buffer tank outlet pipe and main steam turbine; Said buffer tank intake pipe one end is connected with said feed pump turbine vapour condenser outlet, and the other end is connected with said buffer tank, and the said buffer tank intake pipe mouth of pipe extends to said buffer tank bottom; Said buffer tank intake pipe is provided with valve; Said feed pump turbine vapour condenser is positioned at the top of said buffer tank, and the perpendicular distance of an end mouth of pipe that is connected with said buffer tank of said feed pump turbine condenser hotwell water level to said buffer tank intake pipe is greater than the water-column of the difference conversion of local barometric pressure and said feed pump turbine back pressure of condenser, and said buffer tank is connected with the hot well of said main steam turbine through said buffer tank outlet pipe; Said buffer tank outlet pipe is provided with valve, and said buffer tank is positioned at the hot well side-lower of main steam turbine.
Less than 1 meter per second, and confirm greater than the piping resistance by the difference that makes the protection of said main steam turbine shut down back pressure and said feed pump turbine back pressure of condenser according to flow velocity for the caliber of said buffer tank intake pipe and said buffer tank outlet pipe.
The distance of an end said buffer tank intake pipe mouth of pipe bottom said buffer tank that extends to said buffer tank bottom is greater than 1 times of said buffer tank intake pipe diameter.
The hot well interface of said buffer tank outlet pipe and said main steam turbine is located at the high-water line place of the hot well of said main steam turbine.
Be connected with 1 condensate pump on the said buffer tank intake pipe.
The volume at the intake pipe mouth of pipe to said buffer tank top is greater than the volume of said buffer tank intake pipe in the said buffer tank.
Said buffer tank is airtight pressure resistant vessel.
Said buffer tank can adopt round steel pipe manufacturing.
Water of condensation is drawn respectively by every said feed pump turbine vapour condenser outlet; Introduce the said buffer tank that low level is arranged by said buffer tank intake pipe; The perpendicular distance of an end mouth of pipe that is connected with said buffer tank of said feed pump turbine condenser hotwell water level to said buffer tank intake pipe can make water of condensation all can flow into the steam exhaust device of said main steam turbine certainly at various load conditions greater than the water-column of the difference conversion of local barometric pressure and said feed pump turbine back pressure of condenser.The volume at the intake pipe mouth of pipe to said buffer tank top is greater than the volume of said buffer tank intake pipe in the said buffer tank; To guarantee under any operating mode; Said feed pump turbine vapour condenser and said main steam turbine steam exhaust device are isolated through Safety water seal, guarantee that said buffer tank two ends are separately according to different separately back pressure work.
The utility model utilizes the water-head of feed pump turbine vapour condenser and big turbine discharge device; Increase corresponding water seal isolation mounting, cancelled a series of facilities such as condensate pump and control of feed pump turbine, simplified system greatly; Reduced cost; Practiced thrift station service,, the safety reliability of system has been improved owing to simplified system.
The advantage of the utility model is that (1) system is simple, no rotating machinery, and reliability is high, has only pipeline and valve, does not have maintenance work basically, practices thrift investment; (2) water of condensation is leaned on the gravity flow of the water level discrepancy in elevation, the noenergy loss, and energy-saving effect is obvious.
Description of drawings
Fig. 1 is 1 one kinds of clammy feed pump turbine condensate system schematic representation that are used for Direct Air-cooled Unit of embodiment.
Fig. 2 is 2 one kinds of clammy feed pump turbine condensate system schematic representation that are used for Direct Air-cooled Unit of embodiment.
Feed pump turbine vapour condenser 1, buffer tank intake pipe 2, buffer tank 3, buffer tank outlet pipe 4, main steam turbine 5, valve 6, condensate pump 7.
Embodiment
Embodiment 1: a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit; It includes 1 feed pump turbine vapour condenser 1, buffer tank intake pipe 2, buffer tank 3; Buffer tank outlet pipe 4 and main steam turbine 5; Buffer tank intake pipe 2 one ends are connected with 1 outlet of feed pump turbine vapour condenser, and the other end is connected with buffer tank 3, and buffer tank intake pipe 2 mouths of pipe extend to buffer tank 3 bottoms; Buffer tank intake pipe 2 is provided with valve 6; Feed pump turbine vapour condenser 1 is positioned at the top of buffer tank 3, and the perpendicular distance of an end mouth of pipe that is connected with buffer tank 3 of feed pump turbine vapour condenser 1 water level of thermal well to buffer tank intake pipe 2 is greater than the water-column of the difference conversion of local barometric pressure and feed pump turbine vapour condenser 1 back pressure, and buffer tank 3 is connected with the hot well of main steam turbine 5 through buffer tank outlet pipe 4; Buffer tank outlet pipe 4 is provided with valve, and buffer tank 3 is positioned at the hot well side-lower of main steam turbine 5.
Less than 1 meter per second, and confirm greater than the piping resistance by the difference that makes main steam turbine 5 protections shut down back pressures and feed pump turbine vapour condenser 1 back pressure according to flow velocity for the caliber of buffer tank intake pipe 2 and buffer tank outlet pipe 4.
The distance of end buffer tank intake pipe 2 mouths of pipe and buffer tank 3 bottoms that extends to buffer tank 3 bottoms is greater than 1 times of buffer tank intake pipe 2 diameter.
The hot well interface of buffer tank outlet pipe 4 and main steam turbine 5 is located at the high-water line place of the hot well of main steam turbine 5.
Be connected with 1 condensate pump 7 on the buffer tank intake pipe 2.
The volume at the intake pipe mouth of pipe to buffer tank 3 tops is greater than the volume of buffer tank intake pipe 2 in the buffer tank 3.
Buffer tank 3 is airtight pressure resistant vessel.
Buffer tank 3 adopts round steel pipe manufacturing.
Embodiment 2: a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit; It includes 1 feed pump turbine vapour condenser 1, buffer tank intake pipe 2, buffer tank 3; Buffer tank outlet pipe 4 and main steam turbine 5; Buffer tank intake pipe 2 one ends are connected with 1 outlet of feed pump turbine vapour condenser, and the other end is connected with buffer tank 3, and buffer tank intake pipe 2 mouths of pipe extend to buffer tank 3 bottoms; Buffer tank intake pipe 2 is provided with valve 6; Feed pump turbine vapour condenser 1 is positioned at the top of buffer tank 3, and the perpendicular distance of an end mouth of pipe that is connected with buffer tank 3 of feed pump turbine vapour condenser 1 water level of thermal well to buffer tank intake pipe 2 is greater than the water-column of the difference conversion of local barometric pressure and feed pump turbine vapour condenser 1 back pressure, and buffer tank 3 is connected with the hot well of main steam turbine 5 through buffer tank outlet pipe 4; Buffer tank outlet pipe 4 is provided with valve, and buffer tank 3 is positioned at the hot well side-lower of main steam turbine 5.
Less than 1 meter per second, and confirm greater than the piping resistance by the difference that makes main steam turbine 5 protections shut down back pressures and feed pump turbine vapour condenser 1 back pressure according to flow velocity for the caliber of buffer tank intake pipe 2 and buffer tank outlet pipe 4.
The distance of end buffer tank intake pipe 2 mouths of pipe and buffer tank 3 bottoms that extends to buffer tank 3 bottoms is greater than 1 times of buffer tank intake pipe 2 diameter.
The hot well interface of buffer tank outlet pipe 4 and main steam turbine 5 is located at the high-water line place of the hot well of main steam turbine 5.
The volume at the intake pipe mouth of pipe to buffer tank 3 tops is greater than the volume of buffer tank intake pipe 2 in the buffer tank 3.
Buffer tank 3 is airtight pressure resistant vessel.
Buffer tank 3 adopts round steel pipe manufacturing.
Claims (8)
1. clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit; It is characterized in that; It includes at least 1 feed pump turbine vapour condenser, buffer tank intake pipe, buffer tank; Buffer tank outlet pipe and main steam turbine; Said buffer tank intake pipe one end is connected with said feed pump turbine vapour condenser outlet, and the other end is connected with said buffer tank, and the said buffer tank intake pipe mouth of pipe extends to said buffer tank bottom; Said buffer tank intake pipe is provided with valve; Said feed pump turbine vapour condenser is positioned at the top of said buffer tank, and the perpendicular distance of an end mouth of pipe that is connected with said buffer tank of said feed pump turbine condenser hotwell water level to said buffer tank intake pipe is greater than the water-column of the difference conversion of local barometric pressure and said feed pump turbine back pressure of condenser, and said buffer tank is connected with the hot well of said main steam turbine through said buffer tank outlet pipe; Said buffer tank outlet pipe is provided with valve, and said buffer tank is positioned at the hot well side-lower of main steam turbine.
2. a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit according to claim 1; It is characterized in that; Less than 1 meter per second, and confirm greater than the piping resistance by the difference that makes the protection of said main steam turbine shut down back pressure and said feed pump turbine back pressure of condenser according to flow velocity for the caliber of said buffer tank intake pipe and said buffer tank outlet pipe.
3. a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit according to claim 1; It is characterized in that the distance of an end said buffer tank intake pipe mouth of pipe bottom said buffer tank that extends to said buffer tank bottom is greater than 1 times of said buffer tank intake pipe diameter.
4. a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit according to claim 1 is characterized in that the hot well interface of said buffer tank outlet pipe and said main steam turbine is located at the high-water line place of the hot well of said main steam turbine.
5. a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit according to claim 1 is characterized in that, is connected with 1 condensate pump on the said buffer tank intake pipe.
6. a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit according to claim 1 is characterized in that, the volume at the intake pipe mouth of pipe to said buffer tank top is greater than the volume of said buffer tank intake pipe in the said buffer tank.
7. according to claim 1 or 6 described a kind of clammy feed pump turbine condensate systems that are used for Direct Air-cooled Unit, it is characterized in that said buffer tank is airtight pressure resistant vessel.
8. a kind of clammy feed pump turbine condensate system that is used for Direct Air-cooled Unit according to claim 7 is characterized in that said buffer tank can adopt round steel pipe manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202264877U CN202108548U (en) | 2011-06-30 | 2011-06-30 | Clamminess water supply pump steam turbine water condensation system used for direct air cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202264877U CN202108548U (en) | 2011-06-30 | 2011-06-30 | Clamminess water supply pump steam turbine water condensation system used for direct air cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202108548U true CN202108548U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202264877U Expired - Fee Related CN202108548U (en) | 2011-06-30 | 2011-06-30 | Clamminess water supply pump steam turbine water condensation system used for direct air cooling unit |
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| CN (1) | CN202108548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186290A (en) * | 2019-05-29 | 2019-08-30 | 华电宁夏灵武发电有限公司 | Direct air cooling system condensed water down-comer buffer unit |
-
2011
- 2011-06-30 CN CN2011202264877U patent/CN202108548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186290A (en) * | 2019-05-29 | 2019-08-30 | 华电宁夏灵武发电有限公司 | Direct air cooling system condensed water down-comer buffer unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: INNER MONGOLIA ELECTRIC POWER SURVEY DESIGN INSTIT Free format text: FORMER NAME: INNER MONGOLIA ELECTRICAL POWER INVESTIGATE AND DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 010020 the Inner Mongolia Autonomous Region Hohhot City Xilin Road No. 209 Patentee after: INNER MONGOLIA ELECTRIC POWER SURVEY & DESIGN INSTITUTE CO., LTD. Address before: 010020 the Inner Mongolia Autonomous Region Hohhot City Xilin Road No. 209 Patentee before: Inner Mongolia Electric Power Survey Design Institute |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20200630 |