CN101153555A - Diesel generating set with nuclear safety standard - Google Patents
Diesel generating set with nuclear safety standard Download PDFInfo
- Publication number
- CN101153555A CN101153555A CNA2006101166353A CN200610116635A CN101153555A CN 101153555 A CN101153555 A CN 101153555A CN A2006101166353 A CNA2006101166353 A CN A2006101166353A CN 200610116635 A CN200610116635 A CN 200610116635A CN 101153555 A CN101153555 A CN 101153555A
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- base plate
- generating set
- diesel engine
- safe level
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Abstract
A nuclear security class diesel generating set is characterized in that: a diesel engine and an electric generator are aligned and integrated through a flywheel casing and a connecting sleeve; the diesel engine, the electric generator and a heat emission water tank are directly arranged on a antiknock base, and the whole structure is a rigid structural steel frame; a shock absorbing rubber padding cloth is arranged between the antiknock base and a foundation assembly base plate, that is, the shock absorbing rubber padding cloth is arranged on the base surface of the antiknock base and is fixed on the assembly base plate; a starting storage battery is arranged and fixed on a base near the starting motor of the diesel engine. The invention structurally ensures the connection axiality and integral rigidity of the diesel engine and the electric generator and maximally reduces the torsional vibration on a main shaft during running of the set. In addition, the shock absorbing rubber padding cloth is arranged between the antiknock base and the foundation assembly base plate, thereby effectively obstructing the vibration caused by running of the set from transferring to the foundation and damping the impact on the set exerted by seismic wave during earthquake. The invention can ensure starting up during and/or after earthquake and also can meet the fundamental performance requirements on the nuclear security class diesel generating set.
Description
Technical field
The present invention relates to be used for the electric power system of nuclear power station emergency power, especially refer to the nuclear safe level diesel generating set.
Background technique
The nuclear safe level diesel generating set is used for the electric power system of nuclear power station emergency power, non-safety system equipment to safety system equipment and other appointment behind nuclear power station emergency electric power system loss of off-site power provides power supply, carries out its function with the equipment that guarantees nuclear safe level or safe correlation level.
The basic technical requirements of nuclear safe level diesel generating set is: the machinery safe level; Electric 1E level; Antidetonation I class; Quality guarantee QA1 level.
The machinery safe level is all must have service requirement behind the nuclear power station emergency electric power system loss of off-site power when any design basis incident takes place and after taking place, provide power supply with non-safety system equipment to safety system equipment and other appointment, these equipment and system finish reactor scram, containment isolation, reactor core cooling and necessary from containment and reactor discharge heat, or prevent that radioactive material is necessary to a large amount of dischargings of environment.
Electric 1E level is meant that the nuclear safe level diesel generating set is a 1E level power system device, and it mainly acts on is to be reactor reactor shut-off system, engineered safeguards features and the power supply of auxiliary backup facility.
Antidetonation I class be equipment should be able to bear maximum ground motion (OBE) that may suffer at on-site and the contingent maximum earthquake of on-site (SSE) and guarantee when earthquake takes place or (with) all can fulfil its Safety function after the earthquake.
Quality guarantee QA1 level is that nuclear safe level equipment must satisfy, and comprises managerial moving with the technological property keep-alive.
The nuclear safe level diesel generating set be except must satisfying its usability requires, its key technology must guarantee on the structural design exactly when earthquake takes place or (with) unit all can start and satisfied Essential Performance Requirements to it after the earthquake.
Summary of the invention
The object of the present invention is to provide a kind of nuclear safe level diesel generating set, so as from structure guarantee when earthquake takes place or (with) unit all can start and satisfied Essential Performance Requirements to it after the earthquake.
A kind of nuclear safe level diesel generating set provided by the present invention comprises generator, diesel engine, startup battery pack, quake-proof seat, cooling water tank, yielding rubber pad, the control cabinet and the switch cubicle of base plate, basis, the system intergration is installed, and it is characterized in that:
Diesel engine and generator fuse by flywheel casing and connecting sleeve centering location, and promptly the land of the Flywheel disc of diesel engine and generator is connected with bolt;
Quake-proof seat is the public base of diesel engine and generator, direct mounting diesel engine, generator and cooling water tank on this public base, and its structure is the steel structure frame of a rigidity;
The yielding rubber pad is arranged in quake-proof seat and install between the base plate on the basis, and promptly the yielding rubber pad is installed in the quake-proof seat bottom surface and is fixed on and installs on the base plate;
Starting battery pack is arranged on the close basis at diesel engine starting motor place and administration of fixed.
In above-mentioned nuclear safe level diesel generating set, the yielding rubber pad is made up of upper cover plate and base plate therebetween rubber material, and described upper cover plate is a bowl type, and described base plate is the funnel form base plate, upper cover plate and base plate are concavo-convex interlocking, and are welded with the installation double-screw bolt in described upper cover plate the inside.
In above-mentioned nuclear safe level diesel generating set, quake-proof seat is the steel structure box framework of a rigidity.
In above-mentioned nuclear safe level diesel generating set, quake-proof seat all has corresponding reinforcement crossbeam at diesel engine and generator leg installation position.
In above-mentioned nuclear safe level diesel generating set, on described quake-proof seat, be positioned at place, installation cooling water tank bi-side and install tank bracket additional, to form triangular support structure.
In above-mentioned nuclear safe level diesel generating set, on described quake-proof seat, be positioned at the empty filter of installation place and install the flame empty filter supporting structure of twin columns additional.
In above-mentioned nuclear safe level diesel generating set, the control cabinet of the system intergration and the side of switch cubicle are stitched together, and adopt the integral frame-type structure.
In above-mentioned nuclear safe level diesel generating set, the node of the control cabinet of the system intergration and the Liang Yuzhu of switch cubicle is all strengthened fastening with the three-support part.
In above-mentioned nuclear safe level diesel generating set, the control cabinet of the system intergration and the side plate of switch cubicle, top board, base plate flanging embed framework and fastening with screw.
In above-mentioned nuclear safe level diesel generating set, the control cabinet of the system intergration and the underframe of switch cubicle and base plate are locked on the basis by pre-embedded bolt, are highly resistant to the impact of vibration.
Owing to adopted above-mentioned technical solution, the present invention can guarantee coaxality and the integral rigidity that diesel engine is connected with generator on structure, torsional oscillation when reducing the unit running to greatest extent on the main shaft, in addition, the yielding rubber pad is arranged in quake-proof seat and install between the base plate on the basis, the vibrations when effectively cutting off the unit running to the basis transmit and during the buffering earthquake seismic waves to the impact of unit.The present invention can guarantee when earthquake takes place or (with) unit all can start and satisfied Essential Performance Requirements to the nuclear safe level diesel generating set after the earthquake.
Description of drawings
By the description of a following embodiment to nuclear safe level diesel generating set of the present invention, can further understand purpose of the present invention, specific structural features and advantage in conjunction with its accompanying drawing.
Wherein, accompanying drawing is:
Fig. 1 is a structural representation of the present invention;
Fig. 2 (a) is the sectional view of the yielding rubber pad among the present invention;
Fig. 2 (b) is the plan view of the yielding rubber pad among the present invention;
Fig. 3 (a) is the control cabinet frame structure schematic representation among the present invention;
Fig. 3 (b) is the frame by switch cabinet structural representation among the present invention.
Wherein: the label among the figure is expressed as respectively:
1 is control cabinet;
2 is switch cubicle;
3 is generator;
4 is empty filter support;
5 is diesel engine;
6 for starting battery pack;
7 is quake-proof seat;
8 is the yielding rubber pad
9 is cooling water tank;
10 is tank bracket;
11 are a dress base plate;
12 is the basis;
13 is empty filter.
Embodiment
As shown in Figure 1, a kind of nuclear safe level diesel generating set of the present invention comprises generator 3, diesel engine 5, startup battery pack 6, quake-proof seat 7, cooling water tank 9, yielding rubber pad 8, the control cabinet 1 and the switch cubicle 2 of base plate 11, basis 12, the system intergration is installed.
Quake-proof seat 7 is public bases of diesel engine 5 and generator 3, direct mounting diesel engine 5, generator 3 and cooling water tank 9 on this public base, its structure is the steel structure frame of a rigidity, and at diesel engine 5 and generator 3 leg installation positions corresponding reinforcement crossbeam is arranged all.
On quake-proof seat 7, be positioned at place, installation cooling water tank 9 bi-side and install tank bracket 10 additional, to form triangular support structure.
On quake-proof seat 7, be positioned at the empty filter of installation 13 places and install the flame empty filter supporting structure of twin columns additional.
It is that yielding rubber pad 8 usefulness are installed that base plate 11 is installed, and it is fixed on the basis 12 with anchor bolt by back-grouting.
Yielding rubber pad 8 is arranged in quake-proof seat 7 and install between the base plate 11 on the basis, and promptly yielding rubber pad 8 is installed in quake-proof seat 7 bottom surfaces and is fixed on and installs on the base plate 11;
Starting battery pack 6 is arranged near on the basis 12 at the starting motor place of diesel engine 5 and administration of fixed.
Referring to Fig. 2 (a)～(b), yielding rubber pad 8 is made up of upper cover plate 81 and base plate 82 therebetween rubber materials, and described upper cover plate 81 is a bowl type, and described base plate 82 is the funnel form base plate, upper cover plate 81 and base plate 82 are concavo-convex interlocking, and are welded with installation double-screw bolt 83 in described upper cover plate the inside.
The structural feature of yielding rubber pad:
1. stamping forming bowl type upper cover plate has stronger mechanical strength and bigger surface area; in the bonded area that increases considerably yielding rubber and sheet metal installation component, raising bonding strength; improve the force-bearing situation on its mating face, can well protect yielding rubber.
2. stamping forming funnel form base plate and ellipse plane structure strengthen the installation strength of base plate greatly, also make the external sight of yielding rubber padding more harmonious attractive in appearance simultaneously.
3. singly do not fill yielding rubber between bowl type upper cover plate and funnel form base plate, the while is filling part yielding rubber in the funnel of funnel form base plate also, and this two-part rubber fuses, and has strengthened the bearing capacity and the antiseismic ability of yielding rubber pad.
Referring to Fig. 3 (a)～(b), the control cabinet 1 of the system intergration and the side of switch cubicle 2 are stitched together, and adopt the integral frame-type structure.
Control cabinet is the control system assembly of unit, comprises startup, protection, various functions such as communication.
Switch cubicle is the main switch of unit electric power output, is the intermediate node that connects unit and load.
Two cupboards of control cabinet and switch cubicle are stitched together and are fixed on suitable position in the machine room.
The node of the Liang Yuzhu of control cabinet 1 and switch cubicle 2 is all strengthened fastening with the three-support part.
Side plate, top board, base plate flanging embed framework and fastening with screw.
Underframe and base plate are locked on the basis by pre-embedded bolt, are highly resistant to the impact of vibration.
In sum, the maximum characteristics of nuclear safe level diesel generating set of the present invention are antiseismic functions powerful on the structure, when earthquake takes place or (with) unit all can start and satisfied Essential Performance Requirements to it after the earthquake.
1. overall structure diesel engine and generator fuse by flywheel casing and connecting sleeve centering location, and the Flywheel disc of diesel engine is connected transferring power with the land of generator with bolt.
Because the flywheel casing of diesel engine and the connecting sleeve of generator have enough rigidity and intensity, the coaxial accuracy of its positioning boss and seam and axle is very high, can guarantee coaxality and integral rigidity that diesel engine is connected with generator.Torsional oscillation when reducing the unit running to greatest extent on the main shaft.
Diesel engine, generator and cooling water tank are directly installed on the public base, its mutual alignment accurate positioning, join strength height.
2. its structure of quake-proof seat is the steel structure box framework of a rigidity.
At diesel engine and generator leg installation position corresponding crossbeam reinforcement is arranged all, to guarantee the strength and stiffness of base.
3. the yielding rubber pad is arranged in quake-proof seat and the basis is installed between the base plate, the vibrations when effectively cutting off the unit running to the basis transmit and during the buffering earthquake seismic waves to the impact of unit.
Its function is as follows:
A. shock-absorbing function
The yielding rubber pad is made up of bowl type upper cover plate and funnel form base plate therebetween rubber material, is that a kind of pressure is cut compound shock insulation pad.
Because rubber material inside is suppressed during resonance the retardation of vibration, vibrate less, free vibration very fast decay, rubber pad has reduced the transmission that shakes.
B. antiseismic function
The yielding rubber mat structure is that a kind of pressure is cut compound rubber vibration isolation cushion, and this structure has advantages of high bearing capacity, lower rigidity and bigger damping ratio, and natural frequency can be accomplished 5Hz.
Because very low natural frequency, make beam when earthquake, be not easy to cause resonance, and impulse the very fast decay of bigger damping ratio when making earthquake.Simultaneously, the fine protection rubber material of the distinctive bowl of upper cover plate type design energy, funnel form base plate that rigidity is pure and ellipse plane structure strengthen the installation strength of base plate greatly.Bowl type upper cover plate and the funnel form base plate is concavo-convex interlocks, unit can not cause structural damage because of rubber pad damages yet when rubber pad is destroyed under the extreme case.
4. mounted component adopts special reinforcement measure on the quake-proof seat, the higher cooling water tank bi-side of center of gravity is installed installs tank bracket 10 additional, to form triangular support structure, increases the stability of water tank.
The empty filter that the mounting point is higher, its support adopt twin columns portal frame structure 4, have increased function of seismic resistance.
5. the control cabinet of the system intergration and switch cubicle adopt the integral frame-type structure, the node of Liang Yuzhu is all used the fastening reinforcement of three-support part, all side plates, top board, base plate flanging embed framework and fastening with screw, the door panel flap moulding also arranges that suitably buttress brace is strengthened, the electric components of these two face installations is cashier's office in a shop also used clamping plate, clip and band etc. give spacing, fix and tighten.
Cupboard side, two sides is stitched together has increased the rigidity of system, and underframe and base plate effectively are locked on the basis by pre-embedded bolt, is highly resistant to the impact of vibration.
Though a kind of rubber pad that is used for the damping of nuclear safe level diesel generating set of the present invention is described with reference to current instantiation, but those skilled in the art should be realized that, above example only is to be used for illustrating the present invention, also can make the variation and the modification of various equivalences under the situation that does not break away from spirit of the present invention.Therefore, if in connotation scope of the present invention to the variation of above-mentioned example, modification all will drop in the scope of claims of the present invention.
Claims (10)
1. a nuclear safe level diesel generating set comprises generator, diesel engine, startup battery pack, quake-proof seat, cooling water tank, yielding rubber pad, the control cabinet and the switch cubicle of base plate, basis, the system intergration is installed, and it is characterized in that:
Diesel engine and generator fuse by flywheel casing and connecting sleeve centering location, and promptly the land of the Flywheel disc of diesel engine and generator is connected with bolt;
Quake-proof seat is the public base of diesel engine and generator, direct mounting diesel engine, generator and cooling water tank on this public base, and its structure is the steel structure frame of a rigidity;
The yielding rubber pad is arranged in quake-proof seat and install between the base plate on the basis, and promptly the yielding rubber pad is installed in the quake-proof seat bottom surface and is fixed on and installs on the base plate;
Starting battery pack is arranged on the close basis at diesel engine starting motor place and administration of fixed.
2. nuclear safe level diesel generating set according to claim 1, it is characterized in that: described yielding rubber pad is made up of upper cover plate and base plate therebetween rubber material, described upper cover plate is a bowl type, described base plate is the funnel form base plate, upper cover plate and base plate are concavo-convex interlocking, and are welded with the installation double-screw bolt in described upper cover plate the inside.
3. nuclear safe level diesel generating set according to claim 1 is characterized in that: described quake-proof seat is the steel structure box framework of a rigidity.
4. nuclear safe level diesel generating set according to claim 3 is characterized in that: described quake-proof seat all has corresponding reinforcement crossbeam at diesel engine and generator leg installation position.
5. nuclear safe level diesel generating set according to claim 1 is characterized in that: be positioned at place, installation cooling water tank bi-side and install tank bracket additional on described quake-proof seat, to form triangular support structure.
6. nuclear safe level diesel generating set according to claim 1 is characterized in that: be positioned at the empty filter of installation place and install the flame empty filter supporting structure of twin columns additional on described quake-proof seat.
7. nuclear safe level diesel generating set according to claim 1 is characterized in that: the control cabinet of the described system intergration and the side of switch cubicle are stitched together, and adopt the integral frame-type structure.
8. nuclear safe level diesel generating set according to claim 7 is characterized in that: the node of the control cabinet of the described system intergration and the Liang Yuzhu of switch cubicle is all strengthened fastening with the three-support part.
9. according to claim 7 or 8 described nuclear safe level diesel generating sets, it is characterized in that: the control cabinet of the described system intergration and the side plate of switch cubicle, top board, base plate flanging embed framework and fastening with screw.
10. according to claim 7 or 8 described nuclear safe level diesel generating sets, it is characterized in that: the control cabinet of the described system intergration and the underframe of switch cubicle and base plate are locked on the basis by pre-embedded bolt, are highly resistant to the impact of vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101166353A CN101153555B (en) | 2006-09-28 | 2006-09-28 | Diesel generating set with nuclear safety standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101166353A CN101153555B (en) | 2006-09-28 | 2006-09-28 | Diesel generating set with nuclear safety standard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101153555A true CN101153555A (en) | 2008-04-02 |
| CN101153555B CN101153555B (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101166353A Active CN101153555B (en) | 2006-09-28 | 2006-09-28 | Diesel generating set with nuclear safety standard |
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| CN (1) | CN101153555B (en) |
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| CN100570133C (en) * | 2008-06-19 | 2009-12-16 | 上海科泰电源股份有限公司 | Integrated system of communication base station and electric power |
| CN102877937A (en) * | 2012-09-29 | 2013-01-16 | 中国石油天然气集团公司 | Direct connection structure of engine, generator and hydraulic pump in mobile welding workshop |
| CN102916525A (en) * | 2012-10-23 | 2013-02-06 | 南昌康富电机技术有限公司 | Single-bearing generator |
| CN103061943A (en) * | 2013-01-05 | 2013-04-24 | 广东康菱动力科技有限公司 | Generator set for emergency starting of high-voltage large-capacity motor and starting method |
| CN103410605A (en) * | 2013-08-20 | 2013-11-27 | 武汉海王科技有限公司 | 1E-level diesel generating set |
| CN103847605A (en) * | 2012-12-03 | 2014-06-11 | 中核核电运行管理有限公司 | Medium-voltage mobile diesel power generator car for nuclear power plant |
| CN104097495A (en) * | 2014-07-03 | 2014-10-15 | 广州电力机车有限公司 | Method and tool for mounting diesel engine and generator of articulated dumper |
| CN104110303A (en) * | 2014-04-14 | 2014-10-22 | 深圳市安托山特种机械有限公司 | Assembly of mute power station |
| CN105422276A (en) * | 2015-12-18 | 2016-03-23 | 重庆鑫源农机股份有限公司 | Electricity generator mounting rack with driving device |
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| CN111980798A (en) * | 2020-07-09 | 2020-11-24 | 中国船舶重工集团公司第七O三研究所无锡分部 | Anti-seismic modularized SBO diesel generating set used in nuclear power station |
Family Cites Families (6)
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| CN2199363Y (en) * | 1994-09-21 | 1995-05-31 | 上海市松江橡胶制品厂 | Rubber vibration isolator |
| CN2340106Y (en) * | 1997-12-30 | 1999-09-22 | 富士机电(天津)有限公司 | Section of control cabinet of low-voltage switch cabinet |
| JP4243659B2 (en) * | 2002-07-22 | 2009-03-25 | ヤンマー株式会社 | Engine unit for cool container generator |
| CN2768289Y (en) * | 2004-10-10 | 2006-03-29 | 广州三业科技有限公司 | Multifunctional internal combustion power generator set |
| CN2821180Y (en) * | 2005-01-12 | 2006-09-27 | 冯浪平 | Uninterrupted electric oil burning generator unit |
| CN200958422Y (en) * | 2006-09-28 | 2007-10-10 | 科泰电源设备（上海）有限公司 | Nuclear safety diesel-oil generator set |
-
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- 2006-09-28 CN CN2006101166353A patent/CN101153555B/en active Active
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| CN100570133C (en) * | 2008-06-19 | 2009-12-16 | 上海科泰电源股份有限公司 | Integrated system of communication base station and electric power |
| CN102877937A (en) * | 2012-09-29 | 2013-01-16 | 中国石油天然气集团公司 | Direct connection structure of engine, generator and hydraulic pump in mobile welding workshop |
| CN102916525A (en) * | 2012-10-23 | 2013-02-06 | 南昌康富电机技术有限公司 | Single-bearing generator |
| CN102916525B (en) * | 2012-10-23 | 2016-03-02 | 南昌康富科技股份有限公司 | A kind of single-bearing generator |
| CN103847605A (en) * | 2012-12-03 | 2014-06-11 | 中核核电运行管理有限公司 | Medium-voltage mobile diesel power generator car for nuclear power plant |
| CN103061943B (en) * | 2013-01-05 | 2016-03-23 | 广东康菱动力科技有限公司 | High-voltage large-capacity motor emergency starting generator set and starting method |
| CN103061943A (en) * | 2013-01-05 | 2013-04-24 | 广东康菱动力科技有限公司 | Generator set for emergency starting of high-voltage large-capacity motor and starting method |
| CN103410605A (en) * | 2013-08-20 | 2013-11-27 | 武汉海王科技有限公司 | 1E-level diesel generating set |
| CN104110303A (en) * | 2014-04-14 | 2014-10-22 | 深圳市安托山特种机械有限公司 | Assembly of mute power station |
| CN104097495A (en) * | 2014-07-03 | 2014-10-15 | 广州电力机车有限公司 | Method and tool for mounting diesel engine and generator of articulated dumper |
| CN104097495B (en) * | 2014-07-03 | 2016-08-17 | 广州电力机车有限公司 | A kind of articulated truck diesel engine and electromotor installation method and mounting tool |
| CN105422276A (en) * | 2015-12-18 | 2016-03-23 | 重庆鑫源农机股份有限公司 | Electricity generator mounting rack with driving device |
| CN106368744A (en) * | 2016-08-31 | 2017-02-01 | 泰豪科技股份有限公司 | Turbine generator and liquid nitrogen transport pipe manufacturing process for turbine generator |
| CN111980798A (en) * | 2020-07-09 | 2020-11-24 | 中国船舶重工集团公司第七O三研究所无锡分部 | Anti-seismic modularized SBO diesel generating set used in nuclear power station |
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