CN105673913B - Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety - Google Patents
Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety Download PDFInfo
- Publication number
- CN105673913B CN105673913B CN201610148459.5A CN201610148459A CN105673913B CN 105673913 B CN105673913 B CN 105673913B CN 201610148459 A CN201610148459 A CN 201610148459A CN 105673913 B CN105673913 B CN 105673913B
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- China
- Prior art keywords
- iron core
- core group
- coil block
- casing assembly
- group
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0686—Braking, pressure equilibration, shock absorbing
- F16K31/0696—Shock absorbing, e.g. using a dash-pot
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety, including valve rod, static iron core group, non-magnetic tube, resetting spring, casing assembly, coil block, dynamic iron core group, connector assembly, upper cover, magnetic conductive board group.The coil block is in casing assembly, the built-in static iron core group of coil block and dynamic iron core group, static iron core group and dynamic iron core group are installed on valve rod, static iron core group is fastened on one end of casing assembly by locking nut, dynamic iron core group is fixed on by nut on valve rod, non- magnetic tube is provided between dynamic iron core group and coil block, dynamic iron core group can move up and down in non-magnetic tube.One end of coil block is equipped with magnetic conductive board group, and the other end insulate equipped with rubber cushion.Resetting spring is sleeved on valve rod.Connector assembly is fixed by screws on casing assembly.The present invention can meet quick, reliable switching requirements, meet the environmental conditions such as high humidity, high fever, high radiation, operational vibration, have the advantages that small, light-weight, reaction is flexible, reliable in action.
Description
Technical field
The present invention relates to nuclear power field Power Station With The Pressurized Water Reactor turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of safety.
Background technology
Safety first is the primary policy of nuclear power work.Turbine driven auxiliary feed-water pump is pressurized-water reactor nuclear power plant safety-related systems
Important leverage equipment, effect be：When nuclear power station generation major accident, lead to nuclear power station primary source failure, emergency diesel-oil hair
When motor group fails, turbine driven auxiliary feed-water pump system starts, and by the use of the steam of reactor system as power source, realizes that reactor core is cold
But the cycle of agent, it is ensured that do not occur the major accidents such as reactor core overheat, reactor core thawing, explosion, avoid causing nuclear leakage.Fukushima nuclear power
If accident of standing mating such system when occurring would not cause such serious consequence.3 grades of electromagnetism of nuclear safety of the present invention
Driver, for controlling starting and stopping, reset and the security process of the turbine driven auxiliary feed-water pump, product is important, effect
It is crucial.Product working environment is special, especially under the conditions of accident conditions, generally high humidity, high temperature, high radiation, while also adjoint
Certain environmental pressure.
Turbine driven auxiliary feed-water pump is a kind of new technology, and foreign countries only have several companies to possess technique.In order to break away from
It is related to the energy industry of national economy situation under one's control, is proposed by CNNC China Nuclear Power Engineering Co., Ltd., relevant manufacturers cooperation,
By painstaking efforts, the research and development of the turbine driven auxiliary feed-water pump system are completed, Anshan electromagnetic driver Co., Ltd holds
The development work of safe 3 grades of electromagnetic drivers is carried on a shoulder pole, the whole system including the electromagnetic driver has reached international similar
The level of product.
Invention content
The technical problem to be solved by the present invention is to provide a kind of 3 grades of electromagnetism of nuclear power station turbine driven auxiliary feed-water pump nuclear safety
Driver.The electromagnetic driver can bear the pipeline ambient condition of high temperature and pressure, meet quick, reliable switching requirements, meet
The environmental conditions such as high humidity, high fever, high radiation, operational vibration, earthquake, heat ageing, and with small, light-weight, reaction spirit
The features such as work, reliable in action.
The technical solution adopted is that：
Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety, including valve rod, static iron core group, magnetism-isolating loop, non-
Magnetic tube, resetting spring, casing assembly, coil block, dynamic iron core group, connector assembly, upper cover, magnetic conductive board group.The coil group
Part inner sleeve magnetism-isolating loop is in casing assembly, the built-in static iron core group of coil block and dynamic iron core group, static iron core group and dynamic iron core group
It is installed on valve rod, static iron core group is fastened on one end of casing assembly by locking nut and backing-up screw, and dynamic iron core group passes through
Nut is fixed on valve rod, and non-magnetic tube is provided between dynamic iron core group and coil block, and dynamic iron core group can be in non-magnetic tube up and down
Movement.Described casing assembly one end is equipped with upper cover, sets wire mattress in upper cover, one end of the coil block be equipped with magnetic conductive board group,
Baffle ring, the upper cover, magnetic conductive board group and baffle ring are bolted, and upper cover sealing is fixed on casing assembly one end, upper cover
O-ring is equipped between casing assembly, retaining pad and O-ring are housed between the bolt and upper cover.The coil block it is another
End is equipped with rubber cushion, and coil block and casing assembly are separated insulation by rubber cushion.The resetting spring is sleeved on valve rod, resetting spring
Static iron core group and dynamic iron core group are supported respectively in both ends.The valve rod stretches out static iron core group, stretches out the valve stem suit of static iron core group
There is Y shape circle, Y shape circle is fixed in static iron core group.The connector assembly is fixed by screws on casing assembly, and is set therebetween
Put socket pad.
The invention has the advantages that：
1st, precision complete machine structure, compact integral structure is small, light-weight.
2nd, meet the overall design of 3 grades of requirements of nuclear safety, complete machine meets 3 grades of requirements of nuclear safety, and electric property meets 1E/K3
Grade requirement, disclosure satisfy that the requirements such as heat ageing, operational vibration, earthquake, irradiation.
3rd, electrical deriving structure, electrical derivation mechanism use compression joint type connector socket, it is simple, at a low price, it is safe and reliable.
4th, flexible valve rod safeguard structure, valve rod use flexible shroud type safeguard structure, can effectively resist water, moisture, dust
Deng influence, it is ensured that the realization of electromagnetic driver dynamic protection function.
5th, dual shock absorption mechanism using air cushion and flexible piece dual shock absorption construction structure at dynamic iron core, ensures noise and electricity
Vibration class when magnetic driven device resets is met the requirements.
6th, pneumatic speed-regulating type fast opening and closing type structure, complete machine use direct acting type structure, and dynamic iron core group uses pneumatic speed-regulating type
Formula is adjusted by pressure chamber throughput, controlled motion speed.Ensure that the response time is not higher than 2S.
7th, high reliability sealing mechanism, the sealing element of electromagnetic driver are had high-strength using fluorubber and silicone rubber material
Degree, ageing-resistant, impact resistance, radiotolerant speciality, the degree of protection of electromagnetic driver complete machine are designed by IP65, avoid environmental condition
Influence to product, the long-life for electromagnetic driver provide guarantee.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Specific embodiment
Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety, including valve rod 1, static iron core group 7, magnetism-isolating loop
8th, non-magnetic tube 9, resetting spring 10, casing assembly 11, coil block 12, dynamic iron core group 13, connector assembly 14, upper cover 20, magnetic conduction
Plate group 25.The 12 inner sleeve magnetism-isolating loop 8 of coil block is in casing assembly 11,12 built-in 7 He of static iron core group of coil block
Dynamic iron core group 13, static iron core group 7 and dynamic iron core group 13 are installed on valve rod 1, and static iron core group 7 passes through locking nut 3 and locking spiral shell
Nail 4 is fastened on one end of casing assembly 11, and O-ring 5 is set between casing assembly 11 and static iron core group 7.Dynamic iron core group 13 passes through
Nut 18 is fixed on valve rod 1, and non-magnetic tube 9 is provided between dynamic iron core group 13 and coil block 12, and dynamic iron core group 13 can be non-
It moves up and down in magnetic tube 9.Described 11 one end of casing assembly is equipped with upper cover 20, and damping wire mattress 19, the coil are set in upper cover 20
One end of component 12 is equipped with magnetic conductive board group 25, baffle ring 24, and the upper cover 20, magnetic conductive board group 25 and baffle ring 24 are solid by bolt 21
It is fixed, and the sealing of upper cover 20 is fixed on 11 one end of casing assembly, O-ring 17 is equipped between upper cover 20 and casing assembly 11, it is described
Retaining pad 22 and O-ring 23 are housed between bolt 21 and upper cover 20.
The other end of the coil block 12 is equipped with rubber cushion 6, and rubber cushion 6 separates coil block 12 and casing assembly 11 absolutely
Edge.The resetting spring 10 is sleeved on valve rod 1, and static iron core group 7 and dynamic iron core group 13 are supported in 10 both ends of resetting spring respectively.Institute
It states valve rod 1 and stretches out static iron core group 7, the valve stem for stretching out static iron core group is set with Y shape circle 2, and Y shape circle 2 is fixed on static iron core group 7
On.The connector assembly 14 is fixed on by screw 15 on casing assembly 11, and setting socket pad 16 therebetween, forms nuclear power station
Turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety.
Operation principle
Electromagnetic driver uses helix tube type direct solenoid driven principle, when the power is turned on, the electromagnetic field effect of generation in
Dynamic iron core group generates electromagnetic force, pushes stem movement thrust output driving acceptor；When power supply disconnects, electromagnetic field disappearance causes
Electromagnetic force disappears, and dynamic iron core resets under the action of resetting spring, and exports pulling force driving acceptor.
Claims (1)
1. nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety, including valve rod（1）, static iron core group（7）, every magnetic
Ring（8）, non-magnetic tube（9）, resetting spring（10）, casing assembly（11）, coil block（12）, dynamic iron core group（13）, connector assembly
（14）, upper cover（20）, magnetic conductive board group（25）, it is characterised in that the coil block（12）Inner sleeve magnetism-isolating loop（8）Mounted in shell
Component（11）It is interior, coil block（12）Built-in static iron core group（7）With dynamic iron core group（13）, static iron core group（7）With dynamic iron core group
（13）It is installed on valve rod（1）On, static iron core group（7）Pass through locking nut（3）And backing-up screw（4）It is fastened on casing assembly（11）
One end, casing assembly（11）With static iron core group（7）Between O-ring is set（5）；Dynamic iron core group（13）Pass through nut（18）It is fixed
In valve rod（1）On, dynamic iron core group（13）Non- magnetic tube (9) is provided between coil block (12), dynamic iron core group (13) can be non-
It moves up and down in magnetic tube (9), casing assembly（11）One end is equipped with upper cover（20）, upper cover（20）Inside set damping wire mattress（19）, institute
State coil block（12）One end be equipped with magnetic conductive board group（25）, baffle ring（24）, the upper cover（20）, magnetic conductive board group（25）And baffle ring
（24）Pass through bolt（21）It is fixed, and by upper cover（20）Sealing is fixed on casing assembly（11）One end, upper cover（20）With shell group
O-ring is equipped between part (11)（17）, the bolt（21）With upper cover（20）Between be equipped with retaining pad（22）And O-ring（23）, institute
State coil block（12）The other end be equipped with rubber cushion（6）, rubber cushion（6）By coil block（12）With casing assembly（11）It separates absolutely
Edge, the resetting spring（10）It is sleeved on valve rod（1）On, resetting spring（10）Static iron core group is supported respectively in both ends（7）With dynamic iron
Core group（13）, the valve rod（1）Stretch out static iron core group（7）, stretch out static iron core group valve stem be set with Y shape circle（2）, Y shape circle
（2）It is fixed on static iron core group（7）On, the connector assembly（14）Pass through screw（15）It is fixed on casing assembly（11）On, and
It is arranged between socket pad（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148459.5A CN105673913B (en) | 2016-03-16 | 2016-03-16 | Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148459.5A CN105673913B (en) | 2016-03-16 | 2016-03-16 | Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673913A CN105673913A (en) | 2016-06-15 |
| CN105673913B true CN105673913B (en) | 2018-06-26 |
Family
ID=56311385
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610148459.5A Active CN105673913B (en) | 2016-03-16 | 2016-03-16 | Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673913B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3707992A (en) * | 1970-11-09 | 1973-01-02 | Skinner Precision Ind Inc | Electromagnetic valve assembly |
| US4270726A (en) * | 1978-03-09 | 1981-06-02 | Robert Bosch Gmbh | Valve arrangement, especially for controlling flow of hot water through a heating device for motor vehicles |
| US6328276B1 (en) * | 1997-12-06 | 2001-12-11 | Robert Bosch Gmbh | Magnetic valve for a liquid-regulated heating and/or cooling installation |
| CN202012624U (en) * | 2011-05-05 | 2011-10-19 | 林南湘 | Electromagnetic warm water valve |
| CN103411013A (en) * | 2013-07-16 | 2013-11-27 | 鞍山电磁阀有限责任公司 | Condensed water two-position two-way directly operated type electromagnetic valve |
| CN103672115A (en) * | 2013-12-10 | 2014-03-26 | 鞍山电磁阀有限责任公司 | Bellows seal electromagnetic valve |
| CN205078885U (en) * | 2015-09-29 | 2016-03-09 | 浙江汉特姆阀门有限公司 | Gas solenoid valve that circular telegram was opened, outage is closed |
| CN206072480U (en) * | 2016-03-16 | 2017-04-05 | 鞍山电磁阀有限责任公司 | Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004030976A1 (en) * | 2004-06-26 | 2006-01-19 | Robert Bosch Gmbh | timing valve |
-
2016
- 2016-03-16 CN CN201610148459.5A patent/CN105673913B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3707992A (en) * | 1970-11-09 | 1973-01-02 | Skinner Precision Ind Inc | Electromagnetic valve assembly |
| US4270726A (en) * | 1978-03-09 | 1981-06-02 | Robert Bosch Gmbh | Valve arrangement, especially for controlling flow of hot water through a heating device for motor vehicles |
| US6328276B1 (en) * | 1997-12-06 | 2001-12-11 | Robert Bosch Gmbh | Magnetic valve for a liquid-regulated heating and/or cooling installation |
| CN202012624U (en) * | 2011-05-05 | 2011-10-19 | 林南湘 | Electromagnetic warm water valve |
| CN103411013A (en) * | 2013-07-16 | 2013-11-27 | 鞍山电磁阀有限责任公司 | Condensed water two-position two-way directly operated type electromagnetic valve |
| CN103672115A (en) * | 2013-12-10 | 2014-03-26 | 鞍山电磁阀有限责任公司 | Bellows seal electromagnetic valve |
| CN205078885U (en) * | 2015-09-29 | 2016-03-09 | 浙江汉特姆阀门有限公司 | Gas solenoid valve that circular telegram was opened, outage is closed |
| CN206072480U (en) * | 2016-03-16 | 2017-04-05 | 鞍山电磁阀有限责任公司 | Nuclear power station turbine driven auxiliary feed-water pump 3 grades of electromagnetic drivers of nuclear safety |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105673913A (en) | 2016-06-15 |
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