CN210217260U - Thermal power plant - Google Patents
Thermal power plant Download PDFInfo
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- CN210217260U CN210217260U CN201921049129.6U CN201921049129U CN210217260U CN 210217260 U CN210217260 U CN 210217260U CN 201921049129 U CN201921049129 U CN 201921049129U CN 210217260 U CN210217260 U CN 210217260U
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- 239000003245 coal Substances 0.000 claims abstract description 11
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 8
- 230000023556 desulfurization Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 13
- 239000003921 oil Substances 0.000 description 5
- 239000010705 motor oil Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a thermal power plant, which comprises steam turbine rooms with steam turbine generator units, wherein an electric control building is arranged between the two steam turbine rooms; and a boiler room, a dedusting room and a desulfurization room are sequentially arranged in front of the steam turbine room, a coal bunker room is arranged between the boiler rooms, and the head of the steam turbine generator unit faces to the adjacent boiler room and the center line of the steam turbine generator unit coincides with the center line of the boiler room. Above-mentioned thermal power factory building has greatly optimized layout structure, has reduced construction cost, has improved the operating efficiency simultaneously, has saved the running cost.
Description
Technical Field
The utility model relates to a thermal power building technical field, in particular to thermal power factory building.
Background
With the continuous upgrading of the transformation of the economic structure in China, the market becomes more important for the updating of the thermal power generation building technology.
At present, in the construction and production projects of thermal power plants, the main plant layout mostly adopts the traditional four-row layout scheme (namely, a steam turbine room, a deoxidizing room, a bunker room and a boiler room), wherein the steam turbine generator units all adopt the longitudinal in-line layout scheme, namely, the longitudinal axis of the steam turbine generator units is parallel to the longitudinal axis of the steam turbine room; when the steam turbine generator unit adopts a longitudinal in-line arrangement scheme, the span of a steam turbine room is smaller, but the longitudinal length is larger, the distance between boilers is larger, the size of a main plant is larger, the length of a steam-water pipeline is longer, and the construction cost is higher.
Therefore, how to further reduce the construction cost of the thermal power plant is a technical problem that needs to be considered by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thermal power factory building has greatly optimized layout structure, has reduced construction cost, has improved the operating efficiency simultaneously, has saved the running cost.
In order to achieve the purpose, the utility model provides a thermal power plant, which comprises steam turbine rooms with steam turbine generator units, wherein an electric control building is arranged between the two steam turbine rooms;
and a boiler room, a dedusting room and a desulfurization room are sequentially arranged in front of the steam turbine room, a coal bunker room is arranged between the boiler rooms, and the head of the steam turbine generator unit faces to the adjacent boiler room and the center line of the steam turbine generator unit coincides with the center line of the boiler room.
Preferably, two high-pressure heaters and two low-pressure heaters are sequentially arranged on the opposite sides of two adjacent steam turbine rooms in the direction of the longitudinal axis.
Preferably, the steam turbine room is arranged in three layers and comprises a zero-meter layer, a middle layer and an operation layer, and the steam turbine generator set is arranged on the operation layer.
Preferably, be located zero meter layer turbo generator set's low-pressure cylinder below sets up condenser, the hydrophobic flash tank of body and circulating water pipeline, just turbo generator set's afterbody is close to one side of the outside edge of steam turbine room is equipped with condenser rubber ball cleaning equipment, condensate pump, gas control station and overhauls the place.
Preferably, the middle layer is provided with a main steam pipeline, a hot reheat steam pipeline, a cold reheat steam pipeline, a water supply pipeline, a steam extraction pipeline, a lubricating pipeline, a condensed water pipeline, a shaft seal system pipeline and a drainage pipeline.
Preferably, the zero meter layer is further provided with a sealing oil device located below the steam turbine generator unit, and two vacuum pumps and two low-pressure drainage pumps are arranged in the direction close to the center line of the steam turbine room.
Compared with the prior art, the utility model provides a thermal power factory building, including the steam turbine room, every steam turbine room all is equipped with a turbo generator set, is equipped with automatically controlled building between two steam turbine rooms. A boiler room, a dust removal room and a desulfurization room are sequentially arranged in front of each steam turbine room, a coal bunker room is arranged between the two boiler rooms, the head of any steam turbine generator unit faces the adjacent boiler room, and the center lines of the two steam turbine generator units are coincided with the center line of the adjacent boiler room. So set up, beneficial effect is as follows:
firstly, the steam turbine room and the steam turbine generator unit are arranged in such a way, so that the size of a thermal power plant is reduced, the construction cost is effectively reduced, and the economic benefit is improved; according to measurement and calculation, because the length and the elbow of the corresponding pipeline system are reduced, the resistance loss is reduced, and the work capacity and the cycle efficiency of the steam turbine generator unit are improved. The pressure loss of a main steam pipeline of the 660MW unit can be reduced by 0.15MPa, the resistance of a reheat steam pipeline can be reduced by 0.11MPa, and the heat consumption of a steam turbine is reduced by about 0.19%. The coal can be saved by 1485t/h when the coal is operated for 4500 hours year by year, the coal price is calculated according to 800 yuan/ton, and the coal can be saved by 240 ten thousand yuan/year by two 350MW units.
Secondly, the electric control building is transferred between two boiler rooms and two steam turbine rooms in the prior art, so that the safety risk of operation of the electric control building is reduced while the electric control building is managed conveniently; the method is not limited by the arrival time of the generator during field construction, and the construction organization is simple;
finally, the head of the steam turbine generator unit is arranged in a boiler room, so that the cost of a pipeline which is relatively expensive is shortened, and the cost is greatly reduced. Only one of the two 350MW steam turbine generator units can save about 300 million yuan RMB of initial engineering investment, and the two 660MW steam turbine generator units can save about 750 million yuan RMB of initial engineering investment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic plan view of a thermal power plant provided in an embodiment of the present invention;
FIG. 2 is a schematic plan view of an operational level of a steam turbine room in the thermal power plant of FIG. 1;
FIG. 3 is a schematic plan view of an intermediate floor of the steam turbine room of FIG. 1;
FIG. 4 is a plan view of a zero meter level of the steam turbine room of FIG. 1;
wherein:
the system comprises a first steam turbine generator set 11, a second steam turbine generator set 12, a first boiler room 21, a second boiler room 22, an electric control building 3, a first zero high-pressure heater 101, a second zero high-pressure heater 201, a first one high-pressure heater 102, a second one high-pressure heater 202, a first six low-pressure heater 103, a second six low-pressure heater 203, a first five low-pressure heater 104, a second five low-pressure heater 204, a first dust removal room 31, a second dust removal room 32, a first desulfurization room 41, a second desulfurization room 42, a coal bunker room 50, a first steam turbine room 100 and a second steam turbine room 200.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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 order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides a pair of thermal power factory building, as description attached drawing 1 shows, including first vapour computer lab 100 and second vapour computer lab 200, the place ahead of first vapour computer lab 100 sets gradually 41 between first boiler room 21, first dust removal room 31 and first desulfurization, and the place ahead of second vapour computer lab 200 sets gradually 42 between second boiler room 22, second dust removal room 32 and second desulfurization. A coal bunker bay 50 is arranged between the first boiler room 21 and the second boiler room 22.
Each steam turbine room is specifically arranged as shown in fig. 2 to 4 in the specification, the first steam turbine room 100 is provided with a first steam turbine generator set 11, the second steam turbine room 200 is provided with a second steam turbine generator set 12, the longitudinal axis of the first steam turbine generator set 11 can be coincident with the longitudinal axis of the first steam turbine room 100, and the longitudinal axis of the second steam turbine generator set 12 can be coincident with the longitudinal axis of the second steam turbine room 200.
An electronic control building 3 is further disposed between the first steam turbine room 100 and the second steam turbine room 200, and of course, the electronic control building 3 may also be considered to be disposed between the first steam turbine generator set 11 and the second steam turbine generator set 12.
The utility model discloses in, set up automatically controlled building 3 between first turbo generator set 11 and second turbo generator set 12, as illustrated in description figure 2, its security improves, can concentrate in automatically controlled building 3 and arrange public system and facility (like equipment such as electric, thermal control, chemistry, warm logical and fire control) and heating heat supply network head etc. convenient management.
Meanwhile, the head of the first steam turbine generator set 11 faces the first boiler room 21, and the head of the second steam turbine generator set 12 faces the second boiler room 22; the center line of the first steam turbine generator set 11 is coincident with the center line of the first boiler room 21, and the center line of the second steam turbine generator set 12 is coincident with the center line of the second boiler room 22.
It can be seen that, the utility model discloses a core lies in the position relation of each part, and traditional steam turbine room arranges the scheme for longitudinal arrangement, and turbo generator set longitudinal centerline is perpendicular with the boiler central line, and two units set up a steam turbine room (longer) and two steam turbine rooms driving, and the utility model discloses a steam turbine room transverse arrangement then is: the longitudinal central lines of the two steam turbine generator units are respectively superposed (or parallel) with the central lines of the two boiler rooms, the steam turbine heads face the boiler rooms, each unit is provided with a steam turbine room and a steam turbine room traveling crane, a real unit system is formed, the constraint of the traditional design is broken through, the technical problems that the construction cost is high and the layout is unreasonable in the prior art are solved, the technical problems are solved by adopting a new technical scheme, the corresponding technical effect is realized, a large amount of construction cost is saved, the safety of system operation is improved, and the steam turbine generator system belongs to domestic initiatives.
Referring to the attached drawing 2 of the specification, the right side of the first steam turbine room 100 is adjacent to the left side of the second steam turbine room 200, the right side of the first steam turbine room 100 is sequentially provided with a first zero-number high-pressure heater 101, a first one-number high-pressure heater 102, a first six-number low-pressure heater 103 and a first five-number low-pressure heater 104, and the four heaters are arranged along the length direction of the first steam turbine room 100; the left side of the second steam room 200 is sequentially provided with a second zero high-pressure heater 201, a second first high-pressure heater 202, a second sixth low-pressure heater 203 and a second fifth low-pressure heater 204, and the four heaters are arranged along the length direction of the second steam room 200.
As shown in the attached fig. 2 to 4 of the specification, the steam turbine room is arranged in three layers, including a zero meter layer, a middle layer and an operation layer, and the steam turbine generator unit is arranged on the operation layer. The length direction of the steam turbine room can be designed according to seven gears, the distance between every two gears is designed according to 9m and 11m, the column number of each row, namely the shaft 1 and the shaft 2, is defined according to Arabic numerals 1 to 8, the width of the steam turbine room is designed according to 34m, and the column number of each column, namely the row A and the row B, is defined according to English capital letters A and B.
Taking the drawings 2 to 4 as examples in the specification, the row A is positioned at the left and right sides, and the row B is positioned near the middle. In addition, a generator outgoing line, a main transformer, a high-rise transformer and the like are arranged at the end part of the steam turbine room, the main transformer outgoing line is directly connected with the GIS, and the electric outgoing line is smoother.
Aiming at a zero-meter layer of a steam turbine room, one side of the head part of a steam turbine generator unit is provided with an open-close type water pump and a plate type heat exchanger; a main engine oil cooler, a small engine vacuum pump, a small engine condenser, a small engine oil tank, a small engine oil purification device and an EH oil device are arranged on one side, close to the row A, of the head of the steam turbine generator unit; a condenser, a body drainage flash tank and a circulating water pipeline are arranged below a low-pressure cylinder of the turbo generator set; arranging condenser rubber ball cleaning equipment, a condensate pump, a gas control station and an overhaul site on one side of the tail part of the steam turbine, which is close to the row A; the sealing oil device is arranged below the turbo generator set; two vacuum pumps and two low pressure drainage pumps are arranged on one side close to the row B, and condensed water fine treatment is arranged at the tail part of the steam turbine room.
It can be seen that circulating water pipe arranges in the steam turbine room outside, no longer with electric main transformer, high factory become etc. cross arrangement, reduced the danger that the possible leakage of circulating water brought during operation and the interact of construction, operating efficiency is higher, whole overall arrangement is novel, smooth and easy, practical, saves the cost.
The middle layer of the steam turbine room can be regarded as a pipeline layer, and the pipeline layer mainly comprises a main steam pipeline, a hot reheat steam pipeline, a cold reheat steam pipeline, a water supply pipeline, a steam extraction pipeline, a lubricating oil pipeline, a condensed water pipeline, a shaft seal system pipeline and a drain pipeline; the equipment arranged on the pipeline layer comprises a main oil tank, a water feeding pump steam turbine, a jacking oil device, a stator cooling water device, a high-pressure bypass device, a low-pressure bypass device, a third high-pressure heater, a second high-pressure heater, a seventh low-pressure heater, a fourth low-pressure heater, a shaft seal heater and a generator closed bus, wherein the eighth low-pressure heater is arranged at the throat part of the condenser.
The utility model provides a thermal power plant, which is characterized in that the position relation of each component is rearranged; the specific arrangement and function of each component can be referred to the prior art, and the connection relation and operation principle between each component are the same as the prior art, and the improvement is not made.
Based on the improvement of the thermal power plant, the thermal power plant can still save the raw material cost (coal cost) in the operation stage on the premise of saving the construction cost. Because turbo generator set's high-pressure part is direct relative with the boiler, four big pipelines are shortened again for four big pipelines length that expensive reduce by a wide margin: the main steam double pipe of a single steam turbine generator unit is reduced by about 35m, the reheating hot section double pipe is reduced by about 35m, the reheating cold section double pipe is reduced by about 35m, and the water supply single pipe is reduced by about 10 m. Only one, two 350MW units can save about 300 ten thousand yuan of RMB at the beginning of the project, and two 660MW units can save about 750 ten thousand yuan of RMB at the beginning of the project. And further follows the construction principle of lowest cost of the whole life cycle of the power plant, the market competitiveness of enterprises is improved, and the social responsibility of energy conservation and emission reduction is practiced.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
It is right above the utility model provides a thermal power factory building has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. A thermal power plant is characterized by comprising steam turbine rooms with steam turbine generator units, wherein an electric control building (3) is arranged between the two steam turbine rooms;
arbitrary boiler room, dust removal room and desulfurization room are set gradually in the place ahead of steam turbine room, two be equipped with coal bunker room (50) between the boiler room, arbitrary turbo generator set's head respectively towards adjacent with it boiler room, and two turbo generator set's central line respectively with adjacent with it the central line coincidence of boiler room.
2. The thermal power plant according to claim 1, wherein two high-pressure heaters and two low-pressure heaters are arranged in sequence on opposite sides of two adjacent steam turbine rooms in the direction of the longitudinal axis.
3. The thermal power plant building of claim 1 or 2, wherein the steam turbine room is arranged in three layers, and comprises a zero meter layer, an intermediate layer and an operation layer, and the steam turbine generator set is arranged on the operation layer.
4. The thermal power plant according to claim 3, wherein a condenser, a body drain flash tank and a circulating water pipeline are arranged below a low-pressure cylinder of the turbo generator unit on the zero-meter layer, and a condenser rubber ball cleaning device, a condensate pump, a gas control station and an overhaul site are arranged on one side of the tail of the turbo generator unit, which is close to the outer edge of the turbine room.
5. The thermal power plant according to claim 3, wherein the middle layer is provided with a main steam pipeline, a hot reheat steam pipeline, a cold reheat steam pipeline, a water supply pipeline, a steam extraction pipeline, a lubrication pipeline, a condensed water pipeline, a shaft seal system pipeline and a drainage pipeline.
6. The thermal power plant building according to claim 4, wherein the zero meter layer is further provided with a sealing oil device located below the steam turbine generator unit, and two vacuum pumps and two low pressure drainage pumps are arranged close to the center line direction of the steam turbine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049129.6U CN210217260U (en) | 2019-07-05 | 2019-07-05 | Thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049129.6U CN210217260U (en) | 2019-07-05 | 2019-07-05 | Thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210217260U true CN210217260U (en) | 2020-03-31 |
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ID=69936245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921049129.6U Expired - Fee Related CN210217260U (en) | 2019-07-05 | 2019-07-05 | Thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210217260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681820A (en) * | 2021-01-13 | 2021-04-20 | 福建永福电力设计股份有限公司 | Compact arrangement of E-grade-shaft gas combined circulating shaft steam exhaust steam turbine room |
| CN115653711A (en) * | 2022-09-23 | 2023-01-31 | 山东电力工程咨询院有限公司 | Nuclear power and thermal power coupling power generation system and operation method |
-
2019
- 2019-07-05 CN CN201921049129.6U patent/CN210217260U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681820A (en) * | 2021-01-13 | 2021-04-20 | 福建永福电力设计股份有限公司 | Compact arrangement of E-grade-shaft gas combined circulating shaft steam exhaust steam turbine room |
| CN115653711A (en) * | 2022-09-23 | 2023-01-31 | 山东电力工程咨询院有限公司 | Nuclear power and thermal power coupling power generation system and operation method |
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Granted publication date: 20200331 |