CN210530427U - Main power house layout structure of thermal power plant - Google Patents
Main power house layout structure of thermal power plant Download PDFInfo
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- CN210530427U CN210530427U CN201920743805.3U CN201920743805U CN210530427U CN 210530427 U CN210530427 U CN 210530427U CN 201920743805 U CN201920743805 U CN 201920743805U CN 210530427 U CN210530427 U CN 210530427U
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Abstract
The utility model relates to a main plant layout structure of thermal power plant, including the factory building main part, set up on ground basis, the factory building main part divide into operation layer, intermediate level and bottom from top to bottom, the inside steam turbine that is equipped with of factory building main part, set up the condenser below the low pressure cylinder of steam turbine, the condenser is installed in the condenser hole that the ground set up, and the condenser sinks to the installation below the ground, condenser delivery port one side sets up the siphon well, and the condenser delivery port is connected with the siphon well through the drain pipe, and the siphon well communicates with outside water source, and the siphon well can be with its inside water drainage to outside water source, the condenser water inlet communicates with outside water source through inlet tube and circulating water pump, and circulating water pump can drive the water at outside water source and get into the condenser through the inlet tube, adopts the utility model discloses an arrangement structure, has reduced circulating water pump, thereby reducing the plant power consumption and saving the operating cost of the power plant.
Description
Technical Field
The utility model relates to a thermal power plant designs technical field, concretely relates to main building arrangement structure of thermal power plant.
Background
The inventor finds that the proper site of the main power house of the thermal power plant cooled by seawater or river water through direct current is generally higher than the natural water level, the condenser in the main power house is higher along with the main power house according to the general arrangement, the circulating water supply height is higher, and the running power consumption of a circulating water pump is higher. If the method of reducing the whole elevation of the main plant field is adopted, the construction amount of earthwork is larger, and the construction cost is increased more.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned prior art, providing a layout structure of thermal power plant main building, reduced circulating water pump's power consumption by a wide margin to reduce the power plant and used the rate and saved the running cost of power plant.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a thermal power plant main building arrangement structure, includes the factory building main part, sets up on the ground basis, the factory building main part divide into operation layer, intermediate level and bottom from top to bottom, the inside steam turbine that is equipped with of factory building main part, steam turbine low pressure cylinder below sets up the condenser, and the condenser is installed in the condenser hole that the ground set up, and the condenser sinks the below ground installation, condenser delivery port one side sets up the siphon well, and the condenser delivery port passes through the drain pipe to be connected with the siphon well, and siphon well and outside water source intercommunication, siphon well can be with its inside log raft to outside water source, the condenser water inlet passes through inlet tube and circulating water pump and outside water source intercommunication, and circulating water pump can drive the water at outside water source and pass through the inlet tube and.
The utility model discloses an arrangement structure, through sinking the condenser underground, the siphon well of cooperation condenser delivery port setting, make full use of siphon height has reduced the geometrical water supply elevation of circulating water, has reduced circulating water pump's lift and consumption.
The utility model has the advantages that:
the utility model discloses a main building arrangement structure of thermal power plant sinks to the below ground through the condenser, and the siphon well is arranged to cooperation condenser delivery port, has reduced circulating water pump's lift and consumption to reduced the station power rate and saved the running cost of power plant, structural arrangement is reasonable, is applicable to the main building of thermal power plant that adopts sea water or river water direct current cooling and arranges, and this arrangement structure only sinks the condenser and arranges, and the whole elevation in main building place need not to reduce, has saved the operating expenses.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of the arrangement structure of embodiment 1 of the present invention;
the system comprises a plant main body 1, an operation layer 1-1, an intermediate layer 1-2, a bottom layer 1-3, a ground foundation 2, a steam turbine 3, a condenser 4, a condenser pit 5, a condenser water inlet pipe 6, a circulating water pump 7, a circulating water pump suction inlet 8, a water inlet chamber 9, a water inlet channel 10, an external natural cooling water source 11, a water taking head 12, a trash holding device 13, a siphon well 14 and an overflow weir 14-1.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As introduced in the background art, the main building of a thermal power plant cooled by seawater or river water through direct current is generally higher than the natural water level in suitable locations, and according to the general arrangement, the height of a condenser in the main building is higher, the height of the circulating water supply is higher, and the running power consumption of a circulating water pump is higher. To above-mentioned problem, this application provides a main building layout structure of thermal power plant.
The utility model provides a thermal power plant main building arrangement structure, includes the factory building main part, sets up on the ground basis, the factory building main part divide into operation layer, intermediate level and bottom from top to bottom, the inside steam turbine that is equipped with of factory building main part, the low pressure cylinder below of steam turbine sets up the condenser, and the condenser is installed in the condenser hole that the ground set up, and the condenser sinks the below ground installation, condenser delivery port one side sets up the siphon well, and the condenser delivery port passes through the drain pipe to be connected with the siphon well, and siphon well and outside water source intercommunication, siphon well can be with its inside log raft to outside water source, the condenser water inlet passes through inlet tube and circulating water pump and outside water source intercommunication, and circulating water pump can drive the water at outside water source and pass through the inlet tube.
Further, one side of circulating water pump is provided with between intaking, and the circulating water pump sunction inlet communicates with intaking between, and circulating water pump passes through the water inlet of condenser inlet tube and condenser to be connected, with outside water source intercommunication between intaking, the hydroenergy at outside water source can get into between intaking, and circulating water pump can drive the water entering condenser of intaking in the room.
Furthermore, the water inlet chamber is communicated with an external water source through a water inlet channel, and a water taking head is arranged at the end part of the water inlet channel and used for taking water from the external water source.
Furthermore, a dirt blocking device is arranged in the water inlet room and used for blocking dirt from an external water source entering the water inlet room.
Furthermore, the valve is installed to the condenser inlet tube for closing and switching on of control condenser inlet tube.
Furthermore, an overflow weir is arranged in the siphon well, the elevation of the cooling pipe at the top of the condenser is equal to the sum of the water level on the siphon well weir and a set value, and the set value is 7m-8 m.
The present embodiment is described in detail below with reference to the accompanying drawings:
example 1
The utility model provides a thermal power plant main building arrangement structure, as shown in figure 1, includes factory building main part 1, the factory building main part is built on ground basis 2, and the factory building main part is according to current conventional arrangement structure, includes from last running layer 1-1, intermediate level 1-2 and bottom 1-3 to distributing down, be equipped with steam turbine 3 in the factory building main part, steam turbine longitudinal arrangement has arranged in the running layer of factory building main part, condenser 4 has been arranged to the below of the low pressure jar of steam turbine, the condenser is installed in condenser hole 5 that ground basis set up, and the condenser part sinks the below ground installation, and the condenser sinks the part volume below ground and can set up according to actual need, and the depth of sinking of condenser makes the cooling tube bank at condenser top reduce to setting up at the bottom.
The water inlet of the condenser is connected with a circulating water pump 7 through a condenser water inlet pipe 6, the circulating water pump is connected with a water inlet room 9 through a circulating water pump suction inlet 8, the water inlet room is communicated with an external water source 11 through a water inlet channel 10, the external water source can be a sea or a river, the end part of the water inlet channel is provided with a water taking head 12, the water taking head can take water from the sea or the river, the water obtained by the water taking head flows into the water inlet room through the water inlet channel, the circulating water pump can drive the water in the water inlet room to flow into a cooling pipe bundle of the condenser through the water inlet of the condenser, the water inlet room is also internally provided with a sewage blocking device 13, the sewage blocking device is used for blocking dirt such as garbage and the like flowing into the water inlet room from the sea or the river, the sewage blocking device can adopt the existing sewage blocking device such as a filter screen and the like, the specific structure of the sewage blocking, the valve is used for controlling the conduction or the closing of the water inlet pipe of the condenser.
The water outlet of the condenser is provided with a siphon well 14 positioned outside the plant, the water outlet of the condenser is communicated with the siphon well through a drain pipe, water in the cooling pipe bundle of the condenser can flow into the siphon well through the drain pipe, the siphon well is communicated with outside ocean or river, and the water in the siphon well can be discharged into the outside ocean or river.
The siphon well is internally provided with an overflow weir 14-1, in order to ensure the formation of siphon, the elevation of a cooling pipe at the top of the condenser is equal to the sum of the water level on the siphon well weir and a set value, the set value is 7m-8m, the absolute pressure of water in the cooling pipe bundle at the top of the condenser is not less than 20KPa, and the siphon height can be utilized to the maximum extent.
In the embodiment, the condenser is arranged in a sinking mode, the siphon well is arranged by being matched with a water outlet of the condenser, the lift and the power consumption of a circulating water pump are greatly reduced, the service power consumption is reduced, the operation cost of a power plant is saved, and compared with a method for reducing the whole elevation of a main plant site, the construction amount of a large number of earthwork can be reduced, a certain seawater direct-current circulating cooling 2X660MW unit is taken as an example, according to the conventional design, the elevation of the main plant is 6 meters, the terrain of the site is higher, the site is a rock foundation, the elevation of the main plant is increased to 8 meters in order to reduce the excavation amount of the earthwork and reduce the construction difficulty, the condenser is arranged in a sinking mode of 3 meters, the investment of the scheme is reduced by 1467 ten thousand compared with the conventional scheme, and the running electricity cost of the circulating water pump can be saved by 213.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (6)
1. The utility model provides a main building arrangement structure of thermal power plant, a serial communication port, including the factory building main part, set up on the ground basis, the factory building main part divide into operation layer, intermediate level and bottom from top to bottom, the inside steam turbine that is equipped with of factory building main part, the low cylinder below of steam turbine sets up the condenser, and the condenser is installed in the condenser hole that the ground set up, and the condenser sinks the installation of below ground, condenser delivery port one side sets up the siphon well, and the condenser delivery port passes through the drain pipe to be connected with the siphon well, and siphon well and outside water source intercommunication, siphon well can be with its inside water of discharging to outside water source, the condenser water inlet passes through inlet tube and circulating water pump and outside water source intercommunication, and circulating water pump can drive the water at outside water source and pass through.
2. The main building layout structure of a thermal power plant according to claim 1, wherein a water inlet room is provided at one side of the circulating water pump, a suction port of the circulating water pump is communicated with the water inlet room, the circulating water pump is connected with a water inlet of the condenser through a water inlet pipe of the condenser, the water inlet room is communicated with an external water source, water of the external water source can enter the water inlet room, and the circulating water pump can drive water in the water inlet room to enter the condenser.
3. The main building layout structure of a thermal power plant as claimed in claim 2, wherein the water inlet chamber is communicated with an external water source through a water inlet channel, and a water taking head is arranged at the end of the water inlet channel and used for taking water from the external water source.
4. The main building layout structure of a thermal power plant according to claim 2, wherein a dirt blocking device is arranged in the water inlet room for blocking dirt from an external water source entering the water inlet room.
5. The main building layout structure of a thermal power plant according to claim 2, wherein the water inlet pipe of the condenser is provided with a valve for controlling the closing and the conduction of the water inlet pipe of the condenser.
6. The main building layout structure of a thermal power plant as claimed in claim 1, wherein an overflow weir is provided in the siphon well, the level of the cooling pipe at the top of the condenser is equal to the sum of the water level on the weir of the siphon well and a set value, and the set value is 7m-8 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920743805.3U CN210530427U (en) | 2019-05-21 | 2019-05-21 | Main power house layout structure of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920743805.3U CN210530427U (en) | 2019-05-21 | 2019-05-21 | Main power house layout structure of thermal power plant |
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| Publication Number | Publication Date |
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| CN210530427U true CN210530427U (en) | 2020-05-15 |
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| CN201920743805.3U Active CN210530427U (en) | 2019-05-21 | 2019-05-21 | Main power house layout structure of thermal power plant |
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