CN209162952U - The auxiliary feedwater control system at million kilowatt nuclear power station - Google Patents
The auxiliary feedwater control system at million kilowatt nuclear power station Download PDFInfo
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- CN209162952U CN209162952U CN201821695236.1U CN201821695236U CN209162952U CN 209162952 U CN209162952 U CN 209162952U CN 201821695236 U CN201821695236 U CN 201821695236U CN 209162952 U CN209162952 U CN 209162952U
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Abstract
The utility model relates to a kind of auxiliary feedwater control systems at million kilowatt nuclear power station.Including water supply system and control system, water supply system includes water storage device, and water storage device is equipped with circulating pump；Control system includes cabinet and the controller in cabinet, and cabinet is equipped with control panel, and control panel is equipped with control unit, and control unit, the control terminal of circulating pump are connected with controller respectively.Control unit is arranged on test box in the auxiliary feedwater control system at traditional million kilowatt nuclear power station, the connector of test box assigns the control realized on test interface on the control panel to circulating pump, it is suspended on the test interface of control panel using the nipple over time that the technical solution of the utility model efficiently solves test box, the problem of test interface of connector and control panel to test box damages.
Description
Technical field
The utility model relates to auxiliary water feed system of nuclear power plant technical fields, more particularly to a kind of million kilowatt nuclear power
The auxiliary feedwater control system stood.
Background technique
In the auxiliary feedwater control system at million kilowatt nuclear power station, the water of auxiliary feedwater storage tank need to be driven by circulating pump
It is dynamic, it after valve and heat exchanger, is reprocessed into oxygen-eliminating device, by deoxygenation treated water, recycling is given to auxiliary
Water container moisturizing.Under the operating condition that auxiliary feedwater storage tank beats circulation, circulating pump is the examination by test box to control panel
It tests after interface takes electricity, circulating pump is controlled by the start-stop button of test box.
However in actual operation, circulating pump need at least run 20 hours, and test box cannot be extracted in the process, no
It then will lead to circulating pump tripping, therefore test box is suspended on the test interface of control panel for a long time, to test box insertion
Connector causes certain damage, meanwhile, the test interface of control panel can also be damaged as test box plugs increasing for number
It is bad.
Utility model content
When preventing pump operating cycle the technical problem to be solved by the present invention is to provide one kind, test box is hung for a long time
On the test interface of control panel, to test box insertion connector and control panel test interface damage 1,001,000
The auxiliary feedwater control system of watt grade nuclear power station.
To realize the purpose of this utility model, the following technical solution that the utility model uses:
A kind of auxiliary feedwater control system at million kilowatt nuclear power station, including water supply system and control system, it is described to give
Water system includes water storage device, and the water storage device is equipped with circulating pump；The control system includes cabinet and in cabinet
Controller, the cabinet are equipped with control panel, and the control panel is equipped with control unit, and described control unit described is followed
The control terminal of ring pump is connected with the controller respectively.
The auxiliary feedwater control system at above-mentioned million kilowatt nuclear power station, when needing accordingly to be controlled circulating pump
When, the corresponding control to circulating pump can be realized in the control unit directly operated on control panel, so as to avoid tradition million
Security risk present in the auxiliary feedwater control system at kilowatt nuclear-power station: the control unit of circulating pump is arranged in test box
On, when needing accordingly to control circulating pump, the connector of test box need to be assigned at test interface on the control panel,
Circulating pump is controlled by the control unit on test box, but test box is suspended on the test interface of control panel for a long time
On, it is easy to damage the connector of test box and the test interface of control panel.
The control panel includes the first aviation socket and the second aviation socket, the control in one of the embodiments,
Unit processed includes circulating pump control switch, and the circulating pump control switch and first aviation socket are in the control panel
Rear side is connected with each other, and first aviation socket and second aviation socket are the cable of aviation plug by a two sides
Connection.
The control system includes frequency converter in one of the embodiments, and the controller is connected with the frequency converter,
The frequency converter is connected with the circulating pump, and the control panel includes frequency regulator, the controller and the frequency tune
Device is saved to be connected.
The water storage device is equipped with flow sensor and pressure sensor, the controller in one of the embodiments,
It is connected respectively with the flow sensor, the pressure sensor, the control panel includes that flow indicator and pressure are shown
Device, the flow indicator, the pressure display unit are connected with the controller respectively.
The control panel includes alarm unit in one of the embodiments, the alarm unit and the controller
It is connected.
The alarm unit is alarm lamp and buzzer in one of the embodiments,.
The control system includes radio receiving unit in one of the embodiments, the radio receiving unit and institute
Controller is stated to be connected.
The radio receiving unit and the controller pass through same bus and aviation plug in one of the embodiments,
It is connected.
The quantity of the circulating pump is at least one in one of the embodiments,.
The flow sensor includes first flow sensor and second flow sensor in one of the embodiments,
The first flow sensor is located at the water inlet of the water storage device, and the second flow sensor is located at water storage dress
The water outlet set；The pressure sensor includes first pressure sensor and second pressure sensor, and the first pressure passes
Sensor is located at the water inlet of the water storage device, and the second pressure sensor is located at the water outlet of the water storage device.
Detailed description of the invention
Fig. 1 is the system structure diagram of the auxiliary feedwater control system at million kilowatt nuclear power station in an embodiment；
Fig. 2 is the structural schematic diagram of control panel in an embodiment；
Fig. 3 is the wiring schematic diagram of circulating pump control switch and the first aviation socket in an embodiment；
Fig. 4 is the wiring schematic diagram of test interface and the second aviation socket in an embodiment；
Fig. 5 is the structural schematic diagram of control system in an embodiment；
Fig. 6 is the structural schematic diagram of water storage device in an embodiment.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined." several " are meant that at least one in the description of the present invention,
Such as one, two etc., unless otherwise specifically defined.
In the description of the present invention, it should be understood that term " on ", "lower", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" is method based on the figure or positional relationship, is merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
Referring to Fig. 1, Fig. 1 is that the system structure of the auxiliary feedwater control system at million kilowatt nuclear power station in an embodiment is shown
It is intended to.
A kind of auxiliary feedwater control system at million kilowatt nuclear power station, including water supply system 10 and control system 20, give
Water system 10 includes water storage device 100, and water storage device 100 is equipped with circulating pump 102；Control system 20 is including cabinet and is located at cabinet
Interior controller 210, cabinet be equipped with control panel 200, control panel 200 be equipped with control unit 201, control unit 201,
The control terminal of circulating pump 102 is connected with controller 210 respectively.
The auxiliary feedwater control system at above-mentioned million kilowatt nuclear power station, when needing accordingly to be controlled to circulating pump 102
When processed, can directly operate the control unit 201 on control panel 200 can be realized corresponding control to circulating pump 102, to keep away
Security risk present in the auxiliary feedwater control system at traditional million kilowatt nuclear power station: the control of circulating pump 102 is exempted from
Unit 201 is arranged on test box, when needing accordingly to control circulating pump 102, need to assign into the connector of test box
At test interface on control panel 200, circulating pump 102 is controlled by the control unit 201 on test box, but is tested
Box is suspended on the test interface of control panel 200 for a long time, is easy to connect the test of the connector and control panel 200 of test box
Mouth damages.
In one embodiment, referring to fig. 2, Fig. 2 is the structural schematic diagram of control panel 200 in an embodiment, control plane
Plate 200 includes the first aviation socket 202 and the second aviation socket 204, and control unit 201 includes circulating pump control switch 2010,
Circulating pump control switch 2010 and the first aviation socket 202 are connected with each other in the rear side of control panel 200, the first aviation socket
202 are connect with the second aviation socket 204 by the cable 203 that a two sides are aviation plug.
The setting of control unit 201 of the auxiliary feedwater control system at traditional million kilowatt nuclear power station, circulating pump 102 exists
On test box, when needing accordingly to control circulating pump 102, the connector of test box need to be assigned on control panel 200
Test interface at, circulating pump 102 is controlled by the control unit 201 on test box, original design in control panel 200
On test interface using the second aviation socket OO2PJ, in the situation for keeping the original electric loop of control panel 200 constant
Under, it is ensured that control panel 200 installation space is sufficient, by increasing circulating pump control switch 2010 and the newly on control panel 200
One aviation socket 202, the internal rear side by circulating pump control switch 2010 with the first aviation socket in control panel 200 mutually interconnect
It connects, outside is the cable 203 of aviation plug by the examination on the first aviation socket 202 and control panel 200 by a two sides
It tests pod interface 002PJ and connects, can be realized to be controlled by test box to the mode that control panel 200 controls and convert.
Referring to the wiring signal that Fig. 3, Fig. 3 are circulating pump control switch 2010 and the first aviation socket 202 in an embodiment
Figure, 001CC are circulating pump control switch 2010, and 003PJ is the first aviation socket 202, and 001CC and 003PJ are in control panel 200
Rear side be connected with each other, but not with the original any electrical component wiring of control panel 200.Circulation is beaten in auxiliary feedwater storage facility
Under operating condition, it can be manually controlled and be followed by 001CC by being connected with the test pod interface 002PJ on control panel 200 003PJ
Ring pump 102 starts and stops.
Referring to fig. 4, Fig. 4 is the wiring schematic diagram of test interface 002PJ and the second aviation socket 204 in an embodiment, is made
102 when starting and stopping is pumped with circulating pump control switch 001CC control loop, needing an external two sides is aviation plug
Cable 203, the first aviation plug 003PJ is connected with the test pod interface 002PJ on control panel 200, realize control
The transmission of signal.
It in one embodiment, is the structural schematic diagram of control system 200 in an embodiment, control system referring to Fig. 5, Fig. 5
System 20 includes frequency converter 220, and controller 210 is connected with frequency converter 220, and frequency converter 220 is connected with circulating pump 102, control panel
200 include frequency regulator 205, and controller 210 is connected with frequency regulator 205.Wherein, controller 210 and 220 phase of frequency converter
Even, frequency converter 220 is connected with circulating pump 102, and controller 210 is connected with frequency regulator 205, and operator can pass through control
The frequency that frequency regulator 205 on panel 200 is adjusted needed for being arranged, controller 210 send frequency according to the adjusting frequency of setting
Rate adjusts control signal, and frequency converter 220 receives frequency adjusting control signal and changes original frequency, to realize to circulating pump
The control of 102 revolving speeds.
It in one embodiment, is the structural schematic diagram of water storage device 100 in an embodiment, water storage dress referring to Fig. 6, Fig. 6
Set 100 be equipped with flow sensor 103 and pressure sensor 104, controller 210 respectively with flow sensor 103, pressure sensor
104 are connected, and control panel 200 includes flow indicator 206 and pressure display unit 207, flow indicator 206, pressure display unit
207 are connected with controller 210 respectively.
Water storage device 100 is equipped with flow sensor 103 and pressure sensor 104, can be monitored in real time in water storage device 100
Flow and pressure in pipeline, controller 210 are connected with flow sensor 103, pressure sensor 104 respectively, control panel 200
Including flow indicator 206 and pressure display unit 207, flow indicator 206, pressure display unit 207 respectively with 210 phase of controller
Even, operator can obtain current storage by flow indicator 206 on control panel 200 and pressure display unit 207 in real time
Flow and pressure in water installations 100 in pipeline.
Further, control panel 200 includes alarm unit 208, and alarm unit 208 is connected with controller 210.Work as water storage
The alarm when revolving speed of flow, pressure or circulating pump in device 100 in pipeline reaches a certain setting value, on control panel 200
208 warning reminding operator of unit.
Specifically, alarm unit 208 is alarm lamp and buzzer.
Further, control system 20 includes radio receiving unit, and radio receiving unit is connected with controller 210.
Further, radio receiving unit is connected by same bus with aviation plug with controller 210.
Operator can be sent by wireless transmitter module and be instructed, and the wireless receiving module in control system 20 receives various
Instruction, such as the starting and stopping of circulating pump, the frequency of frequency converter etc., and control signal by aviation plug is transferred to control
Device 210 controls corresponding device and executes corresponding function, wherein grafting can be used between radio receiving unit and controller 210
Formula connection, is such as connected by aviation plug, keeps switching performance relatively reliable.Operator may be implemented in the design of radio receiving unit
The long-range control of member is greatly improved work efficiency without carrying out corresponding operating on control panel 200.
Further, the quantity of circulating pump 102 is at least one.
Specifically, flow sensor includes first flow sensor and second flow sensor, first flow sensor position
In the water inlet of water storage device 100, second flow sensor is located at the water outlet of water storage device 100；Pressure sensor packet
Including first pressure sensor and second pressure sensor, first pressure sensor is located at the water inlet of water storage device 100, and second
Pressure sensor is located at the water outlet of water storage device 100.First flow sensor, first pressure sensor are arranged in water storage
The water outlet of water storage device 100 is arranged in the water inlet of device 100, second flow sensor, second pressure sensor, together
When detect 100 water inlet of water storage device and water outlet flow and pressure, can by obtain current state flow value and
Pressure value, when detected flow value not within the set range when, can pass through adjust frequency converter 220 frequency shift circulation
The revolving speed of pump 102 is to adjust within the set range flow value；Water storage device 100 is equipped with pressure valve simultaneously, when being detected
The pressure value arrived not within the set range when, pressure value can be adjusted in setting range by adjusting pressure valve.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of auxiliary feedwater control system at million kilowatt nuclear power station, which is characterized in that including water supply system and control system
System, the water supply system includes water storage device, and the water storage device is equipped with circulating pump；The control system includes cabinet and is located at
Controller in cabinet, the cabinet are equipped with control panel, and the control panel is equipped with control unit, and the control is single
The control terminal of first, the described circulating pump is connected with the controller respectively.
2. the auxiliary feedwater control system at million kilowatt nuclear power station according to claim 1, which is characterized in that the control
Panel processed includes the first aviation socket and the second aviation socket, and described control unit includes circulating pump control switch, the circulation
The rear side that control switch and first aviation socket are pumped in the control panel is connected with each other, first aviation socket and institute
State the cable connection that the second aviation socket is aviation plug by a two sides.
3. the auxiliary feedwater control system at million kilowatt nuclear power station according to claim 1, which is characterized in that the control
System processed includes frequency converter, and the controller is connected with the frequency converter, and the frequency converter is connected with the circulating pump, the control
Panel processed includes frequency regulator, and the controller is connected with the frequency regulator.
4. the auxiliary feedwater control system at million kilowatt nuclear power station according to claim 1, which is characterized in that the storage
Water installations be equipped with flow sensor and pressure sensor, the controller respectively with the flow sensor, the pressure sensing
Device is connected, and the control panel includes flow indicator and pressure display unit, the flow indicator, the pressure display unit point
It is not connected with the controller.
5. the auxiliary feedwater control system at million kilowatt nuclear power station according to claim 4, which is characterized in that the control
Panel processed includes alarm unit, and the alarm unit is connected with the controller.
6. the auxiliary feedwater control system at million kilowatt nuclear power station according to claim 5, which is characterized in that the report
Alert unit is alarm lamp and buzzer.
7. the auxiliary feedwater control system at million kilowatt nuclear power station according to claim 1, which is characterized in that the control
System processed includes radio receiving unit, and the radio receiving unit is connected with the controller.
8. the auxiliary feedwater control system at million kilowatt nuclear power station according to claim 7, which is characterized in that the nothing
Line receiving unit is connected by same bus with aviation plug with the controller.
9. the auxiliary feedwater control system at million kilowatt nuclear power station according to any one of claims 1 to 3, feature
It is, the quantity of the circulating pump is at least one.
10. the auxiliary feedwater control system at million kilowatt nuclear power station according to claim 4, which is characterized in that described
Flow sensor includes first flow sensor and second flow sensor, and the first flow sensor is located at water storage dress
The water inlet set, the second flow sensor are located at the water outlet of the water storage device；The pressure sensor includes
First pressure sensor and second pressure sensor, the first pressure sensor are located at the water inlet of the water storage device,
The second pressure sensor is located at the water outlet of the water storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821695236.1U CN209162952U (en) | 2018-10-18 | 2018-10-18 | The auxiliary feedwater control system at million kilowatt nuclear power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821695236.1U CN209162952U (en) | 2018-10-18 | 2018-10-18 | The auxiliary feedwater control system at million kilowatt nuclear power station |
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| CN209162952U true CN209162952U (en) | 2019-07-26 |
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| CN201821695236.1U Active CN209162952U (en) | 2018-10-18 | 2018-10-18 | The auxiliary feedwater control system at million kilowatt nuclear power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257444A (en) * | 2021-04-22 | 2021-08-13 | 广东核电合营有限公司 | Method for preventing overspeed tripping in full-flow test of auxiliary water supply steam-driven pump of nuclear power station |
-
2018
- 2018-10-18 CN CN201821695236.1U patent/CN209162952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257444A (en) * | 2021-04-22 | 2021-08-13 | 广东核电合营有限公司 | Method for preventing overspeed tripping in full-flow test of auxiliary water supply steam-driven pump of nuclear power station |
| CN113257444B (en) * | 2021-04-22 | 2022-09-09 | 广东核电合营有限公司 | Method for preventing overspeed tripping in full-flow test of auxiliary water supply steam-driven pump of nuclear power station |
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