CN105908774B - A kind of " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method - Google Patents
A kind of " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method Download PDFInfo
- Publication number
- CN105908774B CN105908774B CN201610273032.8A CN201610273032A CN105908774B CN 105908774 B CN105908774 B CN 105908774B CN 201610273032 A CN201610273032 A CN 201610273032A CN 105908774 B CN105908774 B CN 105908774B
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- Prior art keywords
- turbo
- generator set
- new
- vibration isolation
- spring vibration
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
Abstract
The invention discloses a kind of " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method, when changing Turbo-generator Set, new Turbo-generator Set is fixed on by its load and the new armored concrete platen of installation requirement making, retain the column of former Turbo-generator Set FRAME FOUNDATION, operated layer platform removal, spring vibration isolation system is arranged on column capital, new armored concrete platen is overlayed in spring vibration isolation system, the vibration that new Turbo-generator Set is transmitted by new armored concrete platen is separated by spring vibration isolation system, make the intensity of former FRAME FOUNDATION remainder, rigidity and dynamic characteristics disclosure satisfy that the service requirement of new Turbo-generator Set.The present invention is when changing Turbo-generator Set, it is not necessary to all removes original basis, it is only necessary to removes original basis operating layer platform, construction investment can be saved, reduces quantities, shortens the duration, and difficulty of construction is reduced, it is suitable for changing Turbo-generator Set in the space that crane sling height is limited.
Description
Technical field
The present invention relates to a kind of " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method, belong to Turbo-generator Set
Basic renovation technique field.
Background technology
Turbo-generator Set is the core component in thermal power plant.With expanding economy, the raising of production capacity and change
The needs of kind environment, original Turbo-generator Set can not such as meet existing production needs, or when original Turbo-generator Set because
Therefore when needing to change, it is necessary to carry out replacement upgrading or replacement to existing equipment.But due to new, old unit load position and ground
The basic datas such as foot bolt arrangement, bore size are inconsistent, it is impossible to new unit is installed in original basis, so need to original basis
Transformed.
In the prior art, transforming the usual way of steam turbine-generatot set foundation is：Former steam turbine-generatot set foundation is complete
Portion removes or original basis is operated into layer platform removal, then makes brand-new frame by the load and installation requirement of new Turbo-generator Set
Posture basis makes new operating layer platform and original basis column is whole pours, and overall pulling down scheme differs greatly for new, old unit
Situation, turn layer terrace part Demolition Scheme and be used for new, the old less situation of unit difference.Due to the condenser of former unit, sky
The relevant devices such as Gas Cooler, connected main steam pipe and pipeline are numerous；Former steam turbine-generatot set foundation post beam section size is big, mixed
Solidifying native label is high, arrangement of reinforcement is closeer；Narrow space in steam turbine building, it is impossible to utilize bursting work and large-scale dismounting equipment；Former unit
Larger etc. the reason of the protection difficulty of peripheral equipment and pipeline, original basis whole Demolition Scheme have that construction work amount is big, construction
Difficulty is big, the construction period is long and high cost shortcoming.Original basis operates layer terrace part Demolition Scheme, due to new unit lotus
Carry the changing of active position, new platform and old column connection integrity be difficult to ensure that, the reason such as the old and new's structure difference of itself, lead
Cause the calculation assumption power performance design calculation result basic with actual junction structure, transformation and actually misfit, cause to transform base
Potential safety hazard be present in plinth.
The content of the invention
The technical problem to be solved in the present invention is：A kind of " few to remove " Turbo-generator Set FRAME FOUNDATION transformation side is provided
Method, what the spring foundation being made up of spring vibration isolation system and new platen can solve that new, old crew base data differs greatly asks
Topic.Former Turbo-generator Set FRAME FOUNDATION column is made full use of, structure bears dead load and force path is simple and direct, clearly clear
It is clear.Simultaneously, it is only necessary to former operating layer platform is removed, construction investment can be greatlyd save, reduce construction work amount, shorten the duration, and
Difficulty of construction is reduced, with overcome the deficiencies in the prior art.
The technical scheme is that：A kind of " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method, in steamer
When generating set needs to change, new Turbo-generator Set is fixed on to the new armored concrete by its load and installation requirement making
On platen, retain the column of former Turbo-generator Set FRAME FOUNDATION, operated layer platform removal, then in former frame-type base
Spring vibration isolation system is arranged on the column capital of plinth, new armored concrete platen is overlayed on spring vibration isolation system, passes through bullet
Spring vibrating isolation system separates the vibration that new Turbo-generator Set is transmitted by new armored concrete platen, makes new reinforced concrete earthen platform
Plate and the dynamic load of new Turbo-generator Set are delivered in the form of dead load on the upright of frame of former Turbo-generator Set, make former frame
Intensity, rigidity and the dynamic characteristics of posture basis remainder disclosure satisfy that the service requirement of new Turbo-generator Set.
The spring vibration isolation system ensures during Turbo-generator Set is opened, stopped, and makes in the dynamic live steam disturbed under power effect
Turbine generator group and new armored concrete platen settle out quickly, prevent new Turbo-generator Set and new armored concrete platen
Displacement of the lines it is excessive, avoid new Turbo-generator Set in the process of running by during whole system intrinsic frequency produce resonance.
The spring vibration isolation system includes spring damping vibration isolator and spring vibration-isolator, in each column of FRAME FOUNDATION
At least 1 spring damping vibration isolator and at least 2 spring vibration-isolators are arranged on capital.
When the column capital size of former FRAME FOUNDATION not enough arranges spring vibration isolation system, the mixed of column capital is first knocked out
Solidifying soil, then arrange that the size requirement of platform increases the bracket being connected with capital by spring vibration isolation system in column capital.This kind
Mode, which can allow bracket to be connected with column, has enough intensity.
The bracket uses reinforced concrete structure.
The beneficial effects of the invention are as follows：The present invention is when changing Turbo-generator Set, it is not necessary to all removes original basis, only
Original basis operating layer platform need to be removed, compared with prior art, structure of the present invention bears dead load and force path is simple and direct, clear and definite
Clearly.With construction investment can be greatlyd save, construction work amount is reduced, the advantages that shortening the duration, and reduce difficulty of construction.This
It is small that original basis operating layer platform engineering amount is only removed in invention in work progress, and it is small to increase platen quantities newly, produces less build
Building refuse, newly-increased building materials consumption is less, and smaller, satisfaction safety, civilized, green construction requirement are influenceed on neighbouring device and pipeline；
Turbo-generator Set is the core component in thermal power plant, and the transformation duration significantly shortens, and puts into operation and is powered to society in time
Or enterprise where power plant for self-supply is set to resume production as early as possible.Preferable economic benefit, social benefit and ring can be obtained using the present invention
Border benefit.The invention is particularly suited to change Turbo-generator Set in the space that crane sling height is limited.
Brief description of the drawings
Fig. 1 is the floor map of the present invention；
Fig. 2 is Fig. 1 profilograph；
Fig. 3 is Fig. 1 drawing in side sectional elevation.
Embodiment
Further instruction embodiments of the invention below in conjunction with the accompanying drawings：When need change thermal power plant steam turbine generator
During group, former steam turbine-generatot set foundation is operated into layer platform removal first, retains original basis upright of frame 1, secondly in original basis
The steel plate that polylith is used to install spring vibration-isolator is fixed on the capital of upright of frame 1, then will be by spring vibration-isolator 4 and spring damping
The spring vibration isolation system that vibration isolator 5 forms is installed on the steel plate of the top surface of column 1, is finally designed and produced in spring vibration isolation system
Meet the new armored concrete platen 3 of new Turbo-generator Set load and installation requirement.
Spring vibration isolation system in the present invention includes spring vibration-isolator 4 and spring deadens Buddhist nun and shaken device 5, in FRAME FOUNDATION
At least 2 groups of spring vibration-isolators 4 are arranged on request on per the capital of root post 1 and at least 1 group of spring damping vibration isolator 5 combines, this kind
Structure can take into account cost of manufacture while effectiveness in vibration suppression is ensured.
Spring vibration isolation system in the present invention can be shaken new Turbo-generator Set by what new armored concrete platen 3 transmitted
Dynamic cut-off, new armored concrete platen 3 and the dynamic load of new Turbo-generator Set is set to be evenly transferred to former vapour in the form of dead load
It on the former upright of frame of turbine generator group, disclosure satisfy that intensity, rigidity and the dynamic characteristics of former FRAME FOUNDATION remainder
The service requirement of new Turbo-generator Set.And Turbo-generator Set can be ensured during opening, stopping, make to disturb under power effect dynamic
New Turbo-generator Set and new armored concrete platen 3 settle out quickly, prevent new Turbo-generator Set and new reinforcing bar from mixing
The displacement of the lines of solidifying earthen platform plate 3 is excessive, avoids Turbo-generator Set in the process of running by being produced during whole system intrinsic frequency
Resonance.
When the capital size of column 1 of former FRAME FOUNDATION not enough arranges spring vibration isolation system, then need to increase bracket 2,
Specific practice is：The concrete of the capital of column 1 is first knocked out, then the chi in the capital of column 1 by spring vibration isolation system arrangement platform
The very little bracket 2 for requiring increase and being connected with capital, wherein bracket 2 are made using armored concrete, and ensure integrally to connect with former column
Connect.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (5)
- A kind of 1. " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method, it is characterised in that：Needed in Turbo-generator Set When changing, new Turbo-generator Set is fixed on by its load and the new armored concrete platen of installation requirement making, protected The column of former Turbo-generator Set FRAME FOUNDATION is stayed, is operated layer platform removal, then in the column of former FRAME FOUNDATION Spring vibration isolation system is arranged on capital, new armored concrete platen is overlayed on spring vibration isolation system, passes through spring vibration isolation system System separates the vibration that new Turbo-generator Set is transmitted by new armored concrete platen, makes new armored concrete platen and live steam The dynamic load of turbine generator group is delivered in the form of dead load on the FRAME FOUNDATION column of former Turbo-generator Set, makes former framework Intensity, rigidity and the dynamic characteristics of formula basis remainder disclosure satisfy that the service requirement of new Turbo-generator Set.
- 2. remodeling method according to claim 1, it is characterised in that：The spring vibration isolation system ensures Turbo-generator Set During opening, stopping, make to settle out quickly in the dynamic new Turbo-generator Set disturbed under power effect and new armored concrete platen, Prevent that new Turbo-generator Set and the displacement of the lines of new armored concrete platen are excessive, avoid new Turbo-generator Set in running In pass through during whole system intrinsic frequency produce resonance.
- 3. remodeling method according to claim 1, it is characterised in that：The spring vibration isolation system includes spring damping vibration isolation Device and spring vibration-isolator, at least 1 spring damping vibration isolator and at least 2 are arranged on every root post capital of FRAME FOUNDATION Spring vibration-isolator.
- 4. remodeling method according to claim 1, it is characterised in that：When the column capital size of former FRAME FOUNDATION is inadequate When arranging spring vibration isolation system, the concrete of column capital is first knocked out, then presses spring vibration isolation system cloth horizontalization in column capital The size of platform requires the bracket that increase is connected with capital.
- 5. remodeling method according to claim 4, it is characterised in that：The bracket uses reinforced concrete structure, and protects Card is connected with former column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273032.8A CN105908774B (en) | 2016-04-28 | 2016-04-28 | A kind of " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273032.8A CN105908774B (en) | 2016-04-28 | 2016-04-28 | A kind of " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105908774A CN105908774A (en) | 2016-08-31 |
| CN105908774B true CN105908774B (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273032.8A Active CN105908774B (en) | 2016-04-28 | 2016-04-28 | A kind of " few to remove " Turbo-generator Set FRAME FOUNDATION remodeling method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502185A (en) * | 2020-12-10 | 2021-03-16 | 中冶京诚工程技术有限公司 | Vibration reduction and isolation structure of frame type power foundation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0827813A (en) * | 1994-07-13 | 1996-01-30 | Mitsubishi Heavy Ind Ltd | Installation foundation holder for machine of every kind |
| CN201794333U (en) * | 2010-09-21 | 2011-04-13 | 中国电力工程顾问集团华东电力设计院 | Power plant main power house structure arranging system and power plant main power house |
| CN202131606U (en) * | 2011-06-27 | 2012-02-01 | 中广核工程有限公司 | Foundation of half-speed turbo generator set in nuclear power station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100637582B1 (en) * | 2006-03-23 | 2006-10-24 | 벽산엔지니어링주식회사 | Base reinforcing structure for a plant machine |
-
2016
- 2016-04-28 CN CN201610273032.8A patent/CN105908774B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0827813A (en) * | 1994-07-13 | 1996-01-30 | Mitsubishi Heavy Ind Ltd | Installation foundation holder for machine of every kind |
| CN201794333U (en) * | 2010-09-21 | 2011-04-13 | 中国电力工程顾问集团华东电力设计院 | Power plant main power house structure arranging system and power plant main power house |
| CN202131606U (en) * | 2011-06-27 | 2012-02-01 | 中广核工程有限公司 | Foundation of half-speed turbo generator set in nuclear power station |
Non-Patent Citations (2)
| Title |
|---|
| 大型汽轮发电机组基础动力特性灵敏度分析;江眺等;《江南大学学报（自然科学版）》;20080229;第7卷(第1期);第2节第2-3段，图1 * |
| 电厂构架式动力基础的隔振研究;巩天真等;《电力建设》;19971231(第12期);第4节 * |
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| CN105908774A (en) | 2016-08-31 |
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| CB03 | Change of inventor or designer information |
Inventor after: Xiong Chengwei Inventor after: Zhang Yibin Inventor after: Li Bo Inventor after: Ran Xingyu Inventor after: Wang Junhu Inventor after: Yang Li Inventor after: Zhang Bin Inventor after: Xie Shenggang Inventor after: Liu Jun Inventor after: Yang Yang Inventor after: Huang Jianjun Inventor after: Gao Yuan Inventor after: Wang Wei Inventor before: Xiong Chengwei Inventor before: Ran Xingyu Inventor before: Wang Junhu Inventor before: Xie Shenggang Inventor before: Zhang Bin Inventor before: Liu Jun Inventor before: Yang Yang Inventor before: Huang Jianjun Inventor before: Gao Yuan Inventor before: Wang Jia Inventor before: Li Bo |
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Address after: Building A6, Defu center, No. 357, qianlingshan Road, high tech Zone, Guiyang City, Guizhou Province 550002 Patentee after: POWERCHINA GUIZHOU ELECTRIC POWER DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 550002 No. 133, Zunyi Road, Nanming District, Guizhou, Guiyang Patentee before: GUIZHOU ELECTRIC POWER DESIGN INSTITUTE |
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