CN203821900U - Semi-outdoor single-shaft gas-steam combined cycle unit main plant - Google Patents
Semi-outdoor single-shaft gas-steam combined cycle unit main plant Download PDFInfo
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- CN203821900U CN203821900U CN201420062919.9U CN201420062919U CN203821900U CN 203821900 U CN203821900 U CN 203821900U CN 201420062919 U CN201420062919 U CN 201420062919U CN 203821900 U CN203821900 U CN 203821900U
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- 239000002131 composite material Substances 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- -1 prevent that sleet Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a semi-outdoor single-shaft gas-steam combined cycle unit main plant. The main plant comprises a 0.00m layer, a middle layer and an operation layer, three rows, i.e., row A, row B and row C of stand columns are sequentially arranged from outside to inside, a power generator is arranged between the row A and the row B of the operation layer, the height of the stand columns in the row A and the elevation of the operation layer are at the same level, an outdoor structure is arranged between the row A and the row B of the operation layer, a rain cover formed by a plurality of light composite sound absorbing plates in a mutually fastening way is installed above the power generator, the rain cover comprises an outer side wall, a front side wall, a rear side wall and a top wall, and convex blocks which facilitate handholding are respectively arranged on the outer side surfaces of the plurality of light composite sound absorbing plates corresponding to the rotor position of the power generator at the lower parts of the front side wall and the rear side wall. The semi-outdoor single-shaft gas-steam combined cycle unit main plant has the advantages that the stand columns above the row A of the operation layer and a roof structure between the row A and the row B are omitted, the size of the main plant is reduced, the construction period is short, the investment in engineering construction is reduced and the construction cost is low.
Description
Technical field
The utility model relates to a kind of structure of main power house of steam power station, specifically a kind of half outdoor single shaft gas-steam combined-cycle unit main building.
Background technology
Gas-steam Combined Cycle unit comprises gas turbine, steam turbine and the large main frame of generator three, has the advantages such as high efficiency, low investment, environmental protection, construction period be short.In China, along with the progressively enforcement of natural gas extraction and conveying engineering and perfect, increasing Gas-steam Combined Cycle under construction power station.
Single shaft gas-steam combined-cycle unit refers to that three large main frames are coaxially arranged in main building, the structure of main building arranges generally two kinds of single span and twin spans, because twin spans structure has the advantages such as characteristics of compact layout, space utilization is abundant, maintenance condition is good, difficulty of construction is little, the therefore normal twin spans structure that adopts in engineering.The twin spans structure of main building routine as shown in Figure 2.
The main building with twin spans structure in the plane ecto-entad sets gradually A, B, C tri-row columns, and the generator of three large main frames is arranged on main building outermost, is listed as across A-B; In the middle of steam turbine is arranged on, gas turbine is positioned at inner side, and steam turbine and gas turbine are listed as across B-C.The total length of general main building is 84m, and total span is 63m, and wherein generator is across 23m, and steam turbine and gas turbine are across 40m.
Main building sets gradually from low to high 0.00m layer, intermediate layer and running layer in short transverse.Condenser, the inlet duct of gas turbine and the auxiliary equipment of gas turbine and steam turbine of condensate pump, steam turbine are mainly installed in the 0.00m layer of main building; The intermediate layer absolute altitude of main building is 6.5m, mainly arranges between gland steam cooler and main steam-water pipe and generator excitation, the auxiliary equipment such as generator row hydrogen blower fan; The running layer absolute altitude of main building is 13.00m, and the main frame of generator, steam turbine and gas turbine is mainly set.Driving is also installed above the main frame of generator, steam turbine and gas turbine, and wherein 75/20 tonne of overhead traveling crane is selected in the driving of A-B row, for lifting and the maintenance of generator amature and auxiliary equipment; 105/20 tonne of overhead traveling crane is selected in the driving of B-C row, for the integral hoisting of steam turbine and gas turbine and the lifting of gas turbine rotor and maintenance.Above driving, roof is set, roof is connected with the top of A, B, C tri-row columns respectively, and the area on roof is not less than the area of main building, for blocking the various device of installing in protection main building.
In the structure of above-mentioned main building, the driving of A-B row is mainly used in overhauling the inspection and maintenance of the auxiliary equipment such as generator amature and condensate pump, and the waste of main building overall space has been caused in the upper space arranging of running layer, has increased the engineering construction cost of main building.
Utility model content
The utility model technical issues that need to address are to provide short, construction costs is low half outdoor single shaft gas-steam combined-cycle unit main building of a kind of construction period.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
Half outdoor single shaft gas-steam combined-cycle unit main building, described main building comprises 0.00m layer, intermediate layer and running layer, ecto-entad sets gradually A, B, C tri-row columns, at the A-B of running layer row, generator is set, described A row column height is concordant with the absolute altitude of running layer, between the A-B row of running layer, be set to outdoor structure, the rain cover that the installing of generator top is formed by the mutual buckled combination of some lightweight sound-absorbing composite boards, described rain cover comprises the lateral wall that is positioned at generator front end, be positioned at front side wall and the rear wall of generator axis both sides, be arranged on the roof that generator top connects respectively lateral wall and front side wall and rear wall top, the bottom of front side wall and rear wall, the convenient projection gripping is set respectively on the lateral surface of some lightweight sound-absorbing composite boards corresponding with generator rotor position.
Further improvement of the utility model is: on the running layer of described A-B row, be provided for the maintenance repair of generator amature and auxiliary equipment and the driving of the semi-door type of maintenance.
Further improvement of the utility model is: the roof of described rain cover is provided for the ventilation installation of heat radiation and exhaust and is coated with the loophole of clear glass.
Further improvement of the utility model is: the lateral wall of rain cover sets out introduction.
Owing to having adopted technique scheme, the technological progress that the utility model is obtained is:
The utility model provides a kind of little half outdoor single shaft gas-steam combined-cycle unit main building of investing, and has reduced construction costs, has shortened the construction time of main building, has obvious economic benefit and social benefit.The height of A row column is concordant with the absolute altitude of running layer, has saved the roof structure between A row running layer above column and A-B row, has saved the investment of engineering construction.Be positioned at the generator outdoor layout of A-B row, reduced the volume of main building.At generator, place arranges rain cover, and having isolated exposes to the weather drenches with rain, and effectively protects generator.Rain cover is combined by some lightweight sound-absorbing composite boards, has prevented noise pollution.The lightweight sound-absorbing composite board arranged outside projection of front side wall and rear wall bottom, easy accessibility, is convenient to the regular maintenance of generator amature.
Roof at rain cover arranges ventilation installation, is convenient to heat radiation, meets waterproof, explosion-proof and maintenance requirement, the normal operation of protection equipment.The access door handled easily personnel turnover that lateral wall arranges, easy access.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of background technology main building;
Fig. 3 is the structural representation of rain cover in the utility model.
Wherein, 1, steam turbine, 2, gas turbine, 3, generator, 4, semi-door type driving, 5, rain cover, 51, ventilation installation, 52, loophole, 6, inlet duct, A, A row column, B, B row column, C, C row column.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further details:
Half outdoor single shaft gas-steam combined-cycle unit main building, generator 3, steam turbine 1 and the large main frame of gas turbine 2 three are coaxially arranged in main building.
Described main building adopts twin spans structure, and as shown in Figure 1, main building sets gradually 0.00m layer, intermediate layer and running layer from low to high, and on in-plane, ecto-entad sets gradually A, B, C tri-row columns, and wherein generator 3 is arranged on A-B row; Steam turbine 1 and gas turbine 2 are installed on B-C row.Described A row column height is concordant with the absolute altitude of the layer that turns round, and between the A-B row of running layer, is set to outdoor structure, for protecting the generator and the auxiliary equipment that are arranged on A-B row, installs a rain cover 5 in the position that generator is installed.The structure of described rain cover 5 as shown in Figure 3, rain cover 5 comprises lateral wall, front side wall, rear wall and roof, described lateral wall, front side wall, rear wall and roof form by the mutual buckled combination of some lightweight sound-absorbing composite boards, described lightweight sound-absorbing composite board is the square plate with brace rod structure, and each lightweight sound-absorbing composite board of composition rain cover can be distinguished independent dismounting.Lateral wall is arranged at the front end of generator, and front side wall and rear wall are separately positioned on the axis both sides of generator, and roof is arranged on the top of generator, is connected respectively with the top of lateral wall, front side wall and rear wall.The bottom of lateral wall, front side wall and rear wall is fixedly mounted on running layer above, and the medial surface that rain cover 5 is surrounded by roof, front side wall and rear wall is set to opening, and described opening offsets concordant with the side of B row column.On the lateral surface of the front side wall of rain cover 5 and rear wall bottom, some lightweight sound-absorbing composite boards corresponding with generator rotor position, the convenient projection gripping is set respectively, the lightweight sound-absorbing composite board of dismounting correspondence position easily and fast in the time need to safeguarding generator amature.Roof at rain cover 5 arranges the ventilation installations such as blower fan 51, and described ventilation installation 51 also comprises offers the structure that gravity vent etc. is conducive to heat radiation and exhaust.On roof, also offer and be convenient to light and inject the loophole 52 in rain cover, on described loophole 52, cover clear glass, prevent that sleet, dust and other impurities from falling in rain cover.The access door that the lateral wall setting of rain cover 5 facilitates operating personnel to pass in and out.
Described main building sets gradually from low to high 0.00m layer, intermediate layer and running layer in short transverse, and condenser, the inlet duct 6 of gas turbine and the auxiliary equipment of gas turbine and steam turbine of steam turbine is wherein mainly set on 0.00m layer; Intermediate layer is mainly provided with gland steam cooler and main steam-water pipe; The main main frame that generator, steam turbine and gas turbine are installed of running layer.On the running layer of A-B row, half gate-type conveyer 4 is set, described semi-door type driving 4 is mounted on the side top of rain cover 5, for maintenance repair and the maintenance of generator amature and auxiliary equipment; B-C row arrange overhead traveling crane, for the integral hoisting of steam turbine and gas turbine and the lifting of gas turbine rotor and maintenance.The top of B-C row overhead traveling crane arranges roof, and B row column is connected with roof with the top of C row column, for the protection of the various device being arranged in B-C row.
Claims (4)
1. half outdoor single shaft gas-steam combined-cycle unit main building, described main building comprises 0.00m layer, intermediate layer and running layer, ecto-entad sets gradually A, B, C tri-row columns, at the A-B of running layer row, generator (3) is set, it is characterized in that: described A row column height is concordant with the absolute altitude of running layer, between the A-B row of running layer, be set to outdoor structure, the rain cover (5) that the installing of generator top is formed by the mutual buckled combination of some lightweight sound-absorbing composite boards, described rain cover (5) comprises the lateral wall that is positioned at generator front end, be positioned at front side wall and the rear wall of generator axis both sides, be arranged on the roof that generator top connects respectively lateral wall and front side wall and rear wall top, the bottom of front side wall and rear wall, the convenient projection gripping is set respectively on the lateral surface of some lightweight sound-absorbing composite boards corresponding with generator rotor position.
2. half outdoor single shaft gas-steam combined-cycle unit main building according to claim 1, is characterized in that: on the running layer of described A-B row, be provided for the maintenance repair of generator amature and auxiliary equipment and the semi-door type of maintenance driving (4).
3. half outdoor single shaft gas-steam combined-cycle unit main building according to claim 1, is characterized in that: the roof of described rain cover (5) is provided for the ventilation installation (51) of heat radiation and exhaust and is coated with the loophole (52) of clear glass.
4. half outdoor single shaft gas-steam combined-cycle unit main building according to claim 3, is characterized in that: the lateral wall of rain cover (5) sets out introduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062919.9U CN203821900U (en) | 2014-02-12 | 2014-02-12 | Semi-outdoor single-shaft gas-steam combined cycle unit main plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062919.9U CN203821900U (en) | 2014-02-12 | 2014-02-12 | Semi-outdoor single-shaft gas-steam combined cycle unit main plant |
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| CN203821900U true CN203821900U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062919.9U Expired - Lifetime CN203821900U (en) | 2014-02-12 | 2014-02-12 | Semi-outdoor single-shaft gas-steam combined cycle unit main plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652863A (en) * | 2015-01-22 | 2015-05-27 | 福建省电力勘测设计院 | Method for open-air arrangement of main plant of fuel gas-steam combined-cycle power plant |
-
2014
- 2014-02-12 CN CN201420062919.9U patent/CN203821900U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652863A (en) * | 2015-01-22 | 2015-05-27 | 福建省电力勘测设计院 | Method for open-air arrangement of main plant of fuel gas-steam combined-cycle power plant |
| CN104652863B (en) * | 2015-01-22 | 2017-04-26 | 福建省电力勘测设计院 | Method for open-air arrangement of main plant of fuel gas-steam combined-cycle power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee after: POWERCHINA HEBEI ELECTRIC POWER ENGINEERING Co.,Ltd. Address before: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee before: HEBEI ELECTRIC POWER DESIGN & Research Institute |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
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| CX01 | Expiry of patent term |