WO2018192524A1 - Système de support pour ensemble turbogénérateur - Google Patents

Système de support pour ensemble turbogénérateur Download PDF

Info

Publication number
WO2018192524A1
WO2018192524A1 PCT/CN2018/083560 CN2018083560W WO2018192524A1 WO 2018192524 A1 WO2018192524 A1 WO 2018192524A1 CN 2018083560 W CN2018083560 W CN 2018083560W WO 2018192524 A1 WO2018192524 A1 WO 2018192524A1
Authority
WO
WIPO (PCT)
Prior art keywords
generator set
steam turbine
turbine generator
support system
sliding body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/083560
Other languages
English (en)
Chinese (zh)
Inventor
冯煜珵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2018192524A1 publication Critical patent/WO2018192524A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/04—Antivibration arrangements

Definitions

  • the present disclosure relates to the field of power generation technology, for example, to a support system for a steam turbine generator set.
  • the related technology provides a new type of steam turbine generator set arrangement. Compared with the conventional steam turbine generator set arrangement, it is high and low.
  • the shaft system is arranged in a staggered manner so that the high shaft system is as close as possible to the boiler header, so that the boiler header (for example, the boiler superheater, the final primary reheater or the final secondary reheater outlet header)
  • the linear distance between the steam turbines is greatly shortened, and in order to solve the expansion and stress problems of the system between the furnaces, the conventional ones are absorbed by the pipes between the furnaces, and the pipes are bypassed by setting a certain elbow until the unit
  • the expansion and stress generated by the increase in steam temperature during operation can be accepted by the equipment.
  • this conventional pipe system connection method fails to take advantage of the high and low position arrangement.
  • the straight pipe of the high temperature and high pressure steam pipe cannot be greatly reduced, and the system elbow is also There will still be more, so the pressure drop of the high temperature and high pressure steam pipeline does not drop significantly, the economical operation of the unit is not changed much, and the engineering investment is still very large. This is completely contrary to the original intention of high and low position to shorten the high temperature and high pressure steam pipeline. .
  • the present disclosure provides a support system for a steam turbine generator set.
  • a support system for a steam turbine generator set includes a platen supporting a turbine generator set and a support base, the support base including a vibration isolation unit and a sliding unit located above the vibration isolation unit, the sliding unit including The sliding body bracket and the sliding body on the bracket, the platen of the steam turbine generator set directly resting on the sliding body.
  • the sliding body bracket includes a bottom plate and a side baffle that is perpendicular to the bottom plate and that forms a closed shape in a horizontal direction.
  • the sliding body is located in the side baffle and has a vertical height higher than the side baffle, and the side baffle has a gap with the platen of the steam turbine generator set, and the side baffle is mainly used for preventing the The slider is dropped onto the bottom plate.
  • the bottom surface is circular, square or irregular.
  • the support seats are provided in four, evenly distributed under the platen of the steam turbine generator set.
  • the sliding body is a ball or a ball.
  • the vibration isolation unit and the sliding unit are fixedly connected, and may be welded, riveted or bolted.
  • the vibration isolation unit includes at least one of a spring, a damper, and a rubber mat.
  • the support system of the steam turbine generator set provided by the present disclosure can withstand the load of the steam turbine generator set, absorb the vibration of the steam turbine generator set, and solve the thermal expansion and stress problems of the pipeline system connected between the boiler and the steam turbine generator set.
  • Figure 1 is a front elevational view of a support system provided by an embodiment
  • Figure 2 is a side elevational view of a support system provided by an embodiment
  • FIG. 3 is a top plan view of a support system (not including a platen) provided by an embodiment
  • FIG. 4 is a schematic view of a support system of a steam turbine generator set according to an embodiment
  • FIG. 4A is a top plan view of a high-position steam turbine according to an embodiment
  • 4B is a schematic side view of a high-position steam turbine according to an embodiment
  • FIG. 5 is a schematic diagram of a support system of a steam turbine generator set according to another embodiment
  • 5A is a top plan view of a high-position steam turbine according to another embodiment
  • Figure 5B is a side elevational view of a high position steam turbine provided by another embodiment.
  • FIG. 1 , FIG. 2 and FIG. 3 are respectively a front view, a side view and a top view of a support system according to the present embodiment.
  • the support system 1 of the turbo generator set provided by the embodiment includes at least a support steam turbine.
  • the platen 11 of the genset and the support base include a vibration isolation unit 13 and a sliding unit 12 located above the vibration isolation unit 13.
  • the sliding unit 12 includes a sliding body bracket and a sliding body 121 on the bracket, and the table 11 of the steam turbine generator set directly rests on the sliding body 121.
  • the sliding body bracket comprises a bottom plate 122 and a side baffle 123 perpendicular to the bottom plate and forming a closed shape in a horizontal direction.
  • the sliding body 121 is located in the side baffle and has a vertical height higher than the side baffle 123.
  • the side baffle 123 has a gap with the platen 11 of the turbo generator set, and the side baffle 123 is mainly used to prevent the The slider 121 drops the bottom plate 122.
  • the surface of the bottom plate 122 may be a regular or irregular shape such as a circle, a square, or the like.
  • the support seats are provided in four, evenly distributed under the platen 11 of the steam turbine generator set.
  • the sliding body 121 is a ball or a ball.
  • the vibration isolation unit 13 and the sliding unit 12 are fixedly connected, and may be welded, riveted or bolted.
  • the vibration isolation unit 13 includes at least one of a spring, a damper, and a rubber pad.
  • the support system of the conventional low-position turbine generator set usually adopts the reinforced concrete platen and the self-supporting concrete frame structure of the support column.
  • the entire support is adopted.
  • the vibration effect of the platform can be placed under the platform supporting the steam turbine generator set to solve the thermal displacement in the vertical direction of the system and mitigate the vibration effects in the operation of the high-level steam turbine generator set.
  • this does not solve the problem of the furnace.
  • the sliding unit and the vibration isolating unit are arranged in combination with the upper and lower sides, and combined with the platen supporting the steam turbine generator set to form a support system, which can achieve multiple functions, on the one hand, can bear the load of the steam turbine generator set, and On the one hand, it can absorb the vibration of the steam turbine generator set.
  • the vibration isolation unit can absorb the thermal displacement in the vertical direction (Z direction)
  • the sliding unit can absorb the thermal displacement of the horizontal direction (X and Y directions) of the platen. Therefore, the system provided by the present disclosure can also solve the thermal expansion and stress problems of the piping system connected to the boiler and the steam turbine generator set.
  • the size and number of the sliding bodies in the sliding unit, the type and number of the vibration isolating units, the vibration isolation unit of different types and numbers, and the sliding unit including sliding bodies of different sizes and numbers are combined.
  • the number of sets of support seats is determined according to the load size and distribution of the steam turbine generator set and the expansion and thermal displacement of the system.
  • FIG. 4 it is a schematic diagram of a support system for a steam turbine generator set provided by this embodiment.
  • the boiler adopts a tower furnace, and the high-position steam turbine and the boiler (viewed from the right of the furnace to the left of the furnace) are arranged in parallel in the horizontal direction.
  • the high-position steam turbine of the present embodiment adopts the support system of the present disclosure, and mainly comprises a support system 1, a high-position steam turbine 2, a final-stage reheater outlet header 3, a final-stage superheater outlet header 4, a high-pressure cylinder 5, and a medium-pressure cylinder 6 , hot re-steam pipes 3' and 3", main steam pipes 4' and 4".
  • the final reheater outlet header 3 and the final superheater outlet header 4 are all abutted against the high-position steam turbine 2, since the support system 1 adopts the support system of the present disclosure, that is, the platen supporting the turbine generator set
  • the sliding unit and the vibration isolation unit are combined, and the sliding unit is disposed above the vibration isolation unit, and the platen of the steam turbine generator set is placed above the sliding body.
  • the vibration isolation unit comprises at least one of a spring device, a damper and a rubber pad.
  • FIGS. 4A and 4B are schematic top and side views of the high position turbine 2.
  • the arrangement of the final reheater outlet header 3 and the intermediate cylinder 6 can be aligned to minimize the The hot re-steam pipes 3' and 3", while the main steam pipes 4' and 4" between the final superheater outlet header 4 and the high-pressure cylinder 5 are connected from the lower side of the high-position steam turbine 2 to the sides of the high-pressure cylinder 5 Steam valve.
  • FIG. 5 it is a schematic diagram of a support system for a turbogenerator set of another embodiment.
  • the boiler adopts a tower furnace, and the high-position steam turbine and the boiler (viewed from the right of the furnace to the left of the furnace) are vertically arranged in the horizontal direction.
  • the high-position steam turbine provided in this embodiment adopts the support system of the present disclosure, and mainly comprises a support system 1, a high-position steam turbine 2, a final-stage reheater outlet header 3, a final-stage superheater outlet header 4, a high-pressure cylinder 5, and a medium-pressure cylinder. 6. Hot re-steam pipes 3' and 3" and main steam pipes 4' and 4".
  • the final reheater outlet header 3 and the final superheater outlet header 4 are all abutted against the high-position steam turbine 2, since the support system 1 adopts the support system of the present disclosure, that is, the platen supporting the turbine generator set
  • the sliding unit and the vibration isolation unit are combined, and the sliding unit is disposed above the vibration isolation unit, and the platen of the steam turbine generator set is placed above the sliding body.
  • the vibration isolation unit comprises at least one of a spring device, a damper and a rubber pad.
  • 5A and 5B are schematic top and side views of the high position turbine 2.
  • the arrangement of the final reheater outlet header 3 and the intermediate cylinder 6 can be aligned to minimize the The hot re-steam pipes 3' and 3", while the main steam pipes 4' and 4" between the final superheater outlet header 4 and the high-pressure cylinder 5 are connected from the lower side of the high-position steam turbine 2 to the sides of the high-pressure cylinder 5 Steam valve.
  • the difference between this embodiment and the embodiment 1 is that the arrangement of the high-level steam turbine is different.
  • the high-position steam turbine and the boiler (viewed from the right of the furnace to the left of the furnace) are vertically arranged in the horizontal direction. Therefore, with respect to the first embodiment, the present embodiment provides The expansion and thermal displacement at both ends of the high turbine are more symmetrical.
  • the present disclosure improves the support system by not only having the function of the support system itself, but also making the thermal expansion and thermal stress of the steam pipe system connected between the furnaces supported by the steam turbine generator set after the boiler header is placed against the steam turbine.
  • the system absorbs and realizes the short-distance direct connection between the high-temperature and high-pressure steam pipes between the furnaces (no need to bypass), which can fully exert the advantages of high and low position arrangement, and substantially reduce the use of high temperature and high pressure pipeline materials and elbows.
  • the quantity in the true sense, reduces the pressure loss and heat loss of the high temperature and high pressure steam pipeline system, and finally realizes the investment of saving the pipeline system and the economics of the unit.
  • the support system of the present disclosure is used to support a steam turbine generator set, and can be applied to different boiler types, such as a pulverized coal boiler tower furnace, a pulverized coal boiler ⁇ type furnace, a circulating fluidized bed boiler, and a blast furnace gas boiler, etc., which can be used not only
  • the high-level steam turbine generator set can also be applied to the traditional low-position turbine generator set, and the arrangement of the steam turbine generator set is also very flexible, and can be perpendicular or parallel to the horizontal direction of the boiler, or can be arranged in any direction of the horizontal plane. .
  • the expansion and thermal displacement of the piping system between the boiler and the steam turbine generator set are absorbed by the above-mentioned support system, thereby solving the problem of expansion thermal stress generated after short-distance connection between the boiler and the steam turbine generator set.
  • the pipeline between the boiler and the steam turbine generator set can be shortened.
  • the support system of the steam turbine generator set provided by the present disclosure can withstand the load of the steam turbine generator set, absorb the vibration of the steam turbine generator set, and absorb the thermal displacement in the horizontal direction and the vertical direction, and solve the pipeline connecting the boiler and the steam turbine generator set.
  • the thermal expansion and stress problems of the system enable short-distance connection of the piping system between the boiler and the steam turbine generator set.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

L'invention concerne un système de support (1) destiné à un ensemble turbogénérateur comprenant une platine (11) soutenant l'ensemble turbogénérateur, et une base de support. La base de support comprend une unité d'isolation de vibrations (13) et une unité de coulissement (12) située au-dessus de l'unité d'isolation de vibrations (13). L'unité de coulissement (12) comprend un support de corps coulissant et un corps coulissant (121) situé sur le support. La platine (11) de l'ensemble turbogénérateur est directement placée sur le corps coulissant (121), et le support de corps coulissant comprend une plaque inférieure (122) et une chicane latérale (123) perpendiculaire à la plaque inférieure (122) et formant une forme fermée dans une direction horizontale. Le corps coulissant (121) est situé dans le déflecteur latéral (123) et est plus haut que le déflecteur latéral (123) dans la hauteur verticale.
PCT/CN2018/083560 2017-04-22 2018-04-18 Système de support pour ensemble turbogénérateur Ceased WO2018192524A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710268357.1 2017-04-22
CN201710268357.1A CN106870030A (zh) 2017-04-22 2017-04-22 一种汽轮发电机组的支承系统

Publications (1)

Publication Number Publication Date
WO2018192524A1 true WO2018192524A1 (fr) 2018-10-25

Family

ID=59163768

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/083560 Ceased WO2018192524A1 (fr) 2017-04-22 2018-04-18 Système de support pour ensemble turbogénérateur

Country Status (2)

Country Link
CN (1) CN106870030A (fr)
WO (1) WO2018192524A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106870030A (zh) * 2017-04-22 2017-06-20 冯煜珵 一种汽轮发电机组的支承系统
CN107339368B (zh) * 2017-09-12 2023-08-15 国家电网公司 一种抽水蓄能机组降噪减震装置
CN108227773A (zh) * 2017-12-22 2018-06-29 东方电气集团东方汽轮机有限公司 一种透平机械汽缸振动闭环控制结构及其调节方法
CN108087047A (zh) * 2017-12-28 2018-05-29 江苏金通灵流体机械科技股份有限公司 汽轮机发电机组及其发电方法
CN110220183B (zh) * 2019-05-20 2021-02-23 中国神华能源股份有限公司 发电系统
CN110260160B (zh) * 2019-05-20 2021-06-04 中国神华能源股份有限公司 蒸汽管道及发电系统
CN110374701B (zh) * 2019-08-12 2023-09-12 浙江博凡核工程技术有限公司 一种减震效果好的盘车电机装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083902A2 (fr) * 1982-01-11 1983-07-20 GERB Gesellschaft für Isolierung mbH & Co. KG Procédé pour l'alignement des arbres de machines montées de façon élastique
CN1039084A (zh) * 1988-07-05 1990-01-24 西屋电气公司 侧向排汽汽轮机的凝汽器装置
JP2000346133A (ja) * 1997-04-18 2000-12-12 Jiro Kitamura 免震装置、滑り支承また免震構造
US20090064685A1 (en) * 2006-03-17 2009-03-12 Alstom Technology Ltd Device and method for mounting a turbine engine
CN102359398A (zh) * 2011-10-20 2012-02-22 中国电力工程顾问集团华东电力设计院 悬吊式高位汽轮发电机平台系统及汽轮发电结构系统
CN204344796U (zh) * 2014-12-01 2015-05-20 天津和宇科技有限公司 一种建筑设备隔震装置
CN106870030A (zh) * 2017-04-22 2017-06-20 冯煜珵 一种汽轮发电机组的支承系统
CN207048825U (zh) * 2017-04-22 2018-02-27 冯煜珵 一种汽轮发电机组的支承系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0925993A (ja) * 1995-07-13 1997-01-28 Ohbayashi Corp 振動吸収台
JP2000320610A (ja) * 1999-05-06 2000-11-24 Nec Kofu Ltd 免震構造を持つラック
CN201972424U (zh) * 2011-01-14 2011-09-14 中国电力工程顾问集团华东电力设计院 高位布置汽轮发电机组支承平台系统
CN203113372U (zh) * 2013-03-20 2013-08-07 中国电力工程顾问集团华东电力设计院 回热式小汽轮机驱动设备的基础支承系统及驱动系统

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083902A2 (fr) * 1982-01-11 1983-07-20 GERB Gesellschaft für Isolierung mbH & Co. KG Procédé pour l'alignement des arbres de machines montées de façon élastique
CN1039084A (zh) * 1988-07-05 1990-01-24 西屋电气公司 侧向排汽汽轮机的凝汽器装置
JP2000346133A (ja) * 1997-04-18 2000-12-12 Jiro Kitamura 免震装置、滑り支承また免震構造
US20090064685A1 (en) * 2006-03-17 2009-03-12 Alstom Technology Ltd Device and method for mounting a turbine engine
CN102359398A (zh) * 2011-10-20 2012-02-22 中国电力工程顾问集团华东电力设计院 悬吊式高位汽轮发电机平台系统及汽轮发电结构系统
CN204344796U (zh) * 2014-12-01 2015-05-20 天津和宇科技有限公司 一种建筑设备隔震装置
CN106870030A (zh) * 2017-04-22 2017-06-20 冯煜珵 一种汽轮发电机组的支承系统
CN207048825U (zh) * 2017-04-22 2018-02-27 冯煜珵 一种汽轮发电机组的支承系统

Also Published As

Publication number Publication date
CN106870030A (zh) 2017-06-20

Similar Documents

Publication Publication Date Title
WO2018192524A1 (fr) Système de support pour ensemble turbogénérateur
US9488370B2 (en) Arrangement structure suitable for inverted pulverized coal boiler with ultra-high steam temperature steam parameters
US20200131941A1 (en) Pipeline connection system for steam turbine and boiler combination
WO2010127471A1 (fr) Générateur de vapeur
WO2018192525A1 (fr) Ensemble turbogénérateur
CN103415629B (zh) 高炉热风炉的热风支管构筑方法及热风支管
CN1312701C (zh) 模块式高温气冷堆压力壳的无阻尼器支承系统
CN102383869B (zh) 新型汽轮发电机组结构系统
JP5347872B2 (ja) 高炉の熱風炉の熱風支管構築方法
JP2016166596A (ja) 復水器
CN207048825U (zh) 一种汽轮发电机组的支承系统
CN106152114B (zh) 超临界cfb锅炉失电保护装置
CN109611816B (zh) 700℃二次再热卧式侧墙对冲锅炉的水冷壁及工作方法
JP5843732B2 (ja) ボイラ制振用のサイスミックタイおよびこれを用いたボイラ耐震構造体
CN2711669Y (zh) 烧结冷却机余热回收用的翅片管式余热锅炉
CN111780080B (zh) 一种抑制负流量响应特性的700℃锅炉水冷壁布置结构
CN206801624U (zh) 一种空冷汽轮发电机组高位布置的排汽管道
US11810680B2 (en) Modular integrated gas high temperature nuclear reactor
CN102587698A (zh) 高位布置汽轮发电机组支承平台系统
CN211692587U (zh) 用于汽轮机的排汽接管
CN118463663B (zh) 一种隔热型导流筒装置
CN106098120A (zh) 一种非能动压水堆核电站反应堆冷却剂环路布置
CN207006131U (zh) 一种循环流化床锅炉用双色水位计支架
CN204456987U (zh) 一种与侧煤仓合并高位布置的前置汽轮发电机房
Surapapwong et al. Thermal Cyclic Stress Reduction in Gas Regeneration Piping System

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18788040

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18788040

Country of ref document: EP

Kind code of ref document: A1