CN202673377U - Subcritical 330MW triplex pump air cooling steam turbine - Google Patents
Subcritical 330MW triplex pump air cooling steam turbine Download PDFInfo
- Publication number
- CN202673377U CN202673377U CN 201220340844 CN201220340844U CN202673377U CN 202673377 U CN202673377 U CN 202673377U CN 201220340844 CN201220340844 CN 201220340844 CN 201220340844 U CN201220340844 U CN 201220340844U CN 202673377 U CN202673377 U CN 202673377U
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- China
- Prior art keywords
- subcritical
- air cooling
- pressure cylinder
- cylinder
- bearing box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Abstract
The utility model discloses a subcritical 330MW triplex pump air cooling steam turbine, relates to a steam turbine and aims at solving the problem that requirements of heating steam extraction and industrial steam extraction of three parameters can not be simultaneously met in an existing 330MW air cooling unit. A subcritical air cooling low pressure cylinder, a first bearing box, a second bearing box and a third bearing box are respectively arranged in self-landing mode, one end of a subcritical high and medium pressure cylinder is connected with the first bearing box, a rotative separation plate is arranged on a fifth level in the subcritical high and medium pressure cylinder, two medium pressure adjusting valves are respectively arranged on two sides of the first bearing box, two reheat steam lead pipes are respectively arranged on two sides of the first bearing box, each medium pressure adjusting valve is communicated with the subcritical high and medium pressure cylinder through each reheat steam lead pipe which is on the same side of the medium pressure adjusting valve, a communicating pipe and the second bearing box are arranged between the subcritical high and medium pressure cylinder and the subcritical air cooling low pressure cylinder in paratactic mode, a steam extraction butterfly valve is arranged on the communicating pipe, and the subcritical air cooling low pressure cylinder is communicated with the third bearing box. The subcritical 330MW triplex pump air cooling steam turbine is used for a combined cycle power generation system.
Description
Technical field
The utility model relates to a kind of steam turbine, is specifically related to a kind of subcritical 330MW three cold steam turbine of finding time.
Background technique
Steam turbine is the rotary power machinery that the transformation of energy of steam is become the mechanical energy merit, claim again steam turbine, main prime mover as generating usefulness, also can directly drive various pumps, blower fan, compressor and propeller for vessels etc., can also utilize the steam discharge of steam turbine or middle bleeding to satisfy production and heat supply needs in life.Along with the paces propelling of development of the West Regions, a lot of private enterprises also add wherein, are directed to the specific requirement that the owner proposes, and at present, the heat supply of three kinds of parameters is drawn gas and the problem of extraction steam for factories needs but the existence of existing 300MW Air-cooled Unit can't be satisfied simultaneously.
The model utility content
The purpose of this utility model provides a kind of subcritical 330MW three cold steam turbine of finding time, and exists the heat supply that can't satisfy simultaneously three kinds of parameters to draw gas and the problem of extraction steam for factories needs to solve existing 300MW Air-cooled Unit.
The utility model is to solve the problems of the technologies described above the technological scheme of taking to be: the described subcritical 330MW three cold steam turbine of finding time comprises subcritical high intermediate pressure cylinder, subcritical air cooling low pressure (LP) cylinder, the clutch shaft bearing case, the second bearing housing, the 3rd bearing housing, connecting tube, butterfly valve draws gas, rotary separator, two reheat control valves and two are the thermal conductance steam pipe again, described subcritical air cooling low pressure (LP) cylinder, the clutch shaft bearing case, the second bearing housing and the 3rd bearing housing land alone respectively setting, one end of described subcritical high intermediate pressure cylinder is connected with the clutch shaft bearing case, level V in the subcritical high intermediate pressure cylinder is equipped with rotary separator, two reheat control valves lay respectively at the both sides of clutch shaft bearing case, two again the thermal conductance steam pipe lay respectively at the both sides of clutch shaft bearing case, each reheat control valve is communicated with subcritical high intermediate pressure cylinder by the again thermal conductance steam pipe of its homonymy, described connecting tube and the second bearing housing are set up in parallel from top to bottom between subcritical high intermediate pressure cylinder and subcritical air cooling low pressure (LP) cylinder, the other end of subcritical high intermediate pressure cylinder is communicated with subcritical air cooling low pressure (LP) cylinder by connecting tube and the second bearing housing respectively, the butterfly valve that draws gas was installed on connecting tube, and subcritical air cooling low pressure (LP) cylinder is communicated with the 3rd bearing housing.
The utility model compared with prior art comprises following beneficial effect: the utility model can not only satisfy three kinds of parameters and draw gas, and it is respectively that the 3.86MPa.a grade is drawn gas at unit 70% above steady load, realized adjustable by two reheat control valves that these three kinds of parameters are bled; By the level V in the subcritical high intermediate pressure cylinder rotary separator realization adjustable steam extraction is installed 1.5MPa.a grade is drawn gas, the pressure adjustment range is 1.2～1.7Mpa.a; Realize adjustable steam extraction 0.8MPa.a grade is drawn gas by connecting tube and the butterfly valve that draws gas, the pressure adjustment range is 0.7～0.9Mpa.a.The utility model can adapt to and adopts the unify abominable operating conditions of indirect air cooling system of direct air cooled system, can significantly reduce consumption, the fuel saving resource of water resources, more is conducive to environmental protection, has higher Economy.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present utility model, and Fig. 2 is the plan view of Fig. 1, and Fig. 3 is longitudinal sectional drawing of the present utility model.
Embodiment
Embodiment one: in conjunction with Fig. 1, Fig. 2 and Fig. 3 illustrate present embodiment, the described subcritical 330MW three cold steam turbine of finding time comprises subcritical high intermediate pressure cylinder 1, subcritical air cooling low pressure (LP) cylinder 2, clutch shaft bearing case 3, the second bearing housing 4, the 3rd bearing housing 5, connecting tube 10, butterfly valve 6 draws gas, rotary separator 7, two reheat control valves 8 and two are thermal conductance steam pipe 9 again, described subcritical air cooling low pressure (LP) cylinder 2, clutch shaft bearing case 3, the second bearing housing 4 and the 3rd bearing housing 5 land alone respectively setting, one end of described subcritical high intermediate pressure cylinder 1 is connected with clutch shaft bearing case 3, level V in the subcritical high intermediate pressure cylinder 1 is equipped with rotary separator 7, two reheat control valves 8 lay respectively at the both sides of clutch shaft bearing case 3, two again thermal conductance steam pipe 9 lay respectively at the both sides of clutch shaft bearing case 3, each reheat control valve 8 is communicated with subcritical high intermediate pressure cylinder 1 by the again thermal conductance steam pipe 9 of its homonymy, described connecting tube 10 and the second bearing housing 4 are set up in parallel from top to bottom between subcritical high intermediate pressure cylinder 1 and subcritical air cooling low pressure (LP) cylinder 2, the other end of subcritical high intermediate pressure cylinder 1 is communicated with subcritical air cooling low pressure (LP) cylinder 2 by connecting tube 10 and the second bearing housing 4 respectively, the butterfly valve 6 that draws gas was installed on connecting tube 10, and subcritical air cooling low pressure (LP) cylinder 2 is communicated with the 3rd bearing housing 5.
Embodiment two: in conjunction with Fig. 1, Fig. 2 and Fig. 3 explanation, described two reheat control valves 8 of present embodiment are symmetrical arranged with respect to the central axis of clutch shaft bearing case 3.Arrange like this and be based on that conventional requirement of member arranges in the industry, can more effectively realize goal of the invention.Other composition and annexation are identical with embodiment one.
Embodiment three: in conjunction with Fig. 1, Fig. 2 and Fig. 3 explanation, present embodiment described two again thermal conductance steam pipe 9 be symmetrical arranged with respect to the central axis of clutch shaft bearing case 3.Setting can realize goal of the invention more effectively like this.Other composition and annexation are identical with embodiment one or two.
In conjunction with embodiment one, two and three explanations working principle of the present utility model: to bleed be respectively that the 3.86MPa.a grade is drawn gas at unit 70% above steady load, adjustable by 8 realizations of two reheat control valves for three kinds of parameters in the utility model; By the level V in the subcritical high intermediate pressure cylinder rotary separator 7 realization adjustable steam extractions are installed 1.5MPa.a grade is drawn gas, the pressure adjustment range is 1.2～1.7Mpa.a; Realize adjustable steam extraction 0.8MPa.a grade is drawn gas by connecting tube 10 and the butterfly valve 6 that draws gas, the pressure adjustment range is 0.7～0.9Mpa.a, realizes the specific requirement that the owner proposes.
Claims (3)
1. a subcritical 330MW three cold steam turbine of finding time, the described subcritical 330MW three cold steam turbine of finding time comprises subcritical high intermediate pressure cylinder (1), subcritical air cooling low pressure (LP) cylinder (2), clutch shaft bearing case (3), the second bearing housing (4), the 3rd bearing housing (5), connecting tube (10), butterfly valve (6) draws gas, rotary separator (7), two reheat control valves (8) and two are thermal conductance steam pipe (9) again, it is characterized in that: described subcritical air cooling low pressure (LP) cylinder (2), clutch shaft bearing case (3), the second bearing housing (4) and the 3rd bearing housing (5) land alone respectively setting, one end of described subcritical high intermediate pressure cylinder (1) is connected with clutch shaft bearing case (3), level V in the subcritical high intermediate pressure cylinder (1) is equipped with rotary separator (7), two reheat control valves (8) lay respectively at the both sides of clutch shaft bearing case (3), two again thermal conductance steam pipe (9) lay respectively at the both sides of clutch shaft bearing case (3), each reheat control valve (8) is communicated with subcritical high intermediate pressure cylinder (1) by the again thermal conductance steam pipe (9) of its homonymy, described connecting tube (10) and the second bearing housing (4) are set up in parallel from top to bottom between subcritical high intermediate pressure cylinder (1) and subcritical air cooling low pressure (LP) cylinder (2), the other end of subcritical high intermediate pressure cylinder (1) is communicated with subcritical air cooling low pressure (LP) cylinder (2) by connecting tube (10) and the second bearing housing (4) respectively, the butterfly valve that draws gas (6) was installed on connecting tube (10), and subcritical air cooling low pressure (LP) cylinder (2) is communicated with the 3rd bearing housing (5).
2. the subcritical 330MW three according to claim 1 cold steam turbine of finding time, it is characterized in that: described two reheat control valves (8) are symmetrical arranged with respect to the central axis of clutch shaft bearing case (3).
3. the subcritical 330MW three according to claim 1 and 2 cold steam turbine of finding time is characterized in that: described two again thermal conductance steam pipe (9) be symmetrical arranged with respect to the central axis of clutch shaft bearing case (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220340844 CN202673377U (en) | 2012-07-13 | 2012-07-13 | Subcritical 330MW triplex pump air cooling steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220340844 CN202673377U (en) | 2012-07-13 | 2012-07-13 | Subcritical 330MW triplex pump air cooling steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673377U true CN202673377U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220340844 Expired - Lifetime CN202673377U (en) | 2012-07-13 | 2012-07-13 | Subcritical 330MW triplex pump air cooling steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228158A (en) * | 2020-11-06 | 2021-01-15 | 国电泉州热电有限公司 | Novel subcritical 300MW steam turbine through-flow structure suitable for high-pressure extraction |
-
2012
- 2012-07-13 CN CN 201220340844 patent/CN202673377U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228158A (en) * | 2020-11-06 | 2021-01-15 | 国电泉州热电有限公司 | Novel subcritical 300MW steam turbine through-flow structure suitable for high-pressure extraction |
| CN112228158B (en) * | 2020-11-06 | 2023-10-31 | 国电泉州热电有限公司 | Subcritical 300MW steam turbine through-flow structure adapting to high-pressure steam extraction |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
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| CX01 | Expiry of patent term |