CN110176319A - A kind of marine PWR center cooling system of fresh water - Google Patents
A kind of marine PWR center cooling system of fresh water Download PDFInfo
- Publication number
- CN110176319A CN110176319A CN201910445164.8A CN201910445164A CN110176319A CN 110176319 A CN110176319 A CN 110176319A CN 201910445164 A CN201910445164 A CN 201910445164A CN 110176319 A CN110176319 A CN 110176319A
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- China
- Prior art keywords
- fresh water
- fresh
- water
- circulating pump
- central
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/383—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/24—Promoting flow of the coolant
- G21C15/243—Promoting flow of the coolant for liquids
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/032—Reactor-coolant flow measuring or monitoring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to a kind of marine PWR center cooling system of fresh water, it includes sequentially connected fresh water ripple tank, fresh water circulating pump and central fresh-water cooler, fresh water in the fresh water ripple tank is pumped into central fresh-water cooler by fresh water circulating pump, and central fresh-water cooler connects multiple user equipmenies to be cooled；The center fresh-water cooler includes seawater cooling duct, and seawater flows through central fresh-water cooler from seawater cooling duct, and fresh water realizes cooling after transferring heat to seawater in central fresh-water cooler, and fresh water after cooling is exported to equipment to be cooled and cooled down；User equipment is connect with fresh water circulating pump by return line.The system is a closed circuit system, using fresh water as medium, the heat transfer of fresh water is obtained cooling fresh water required for user equipment to seawater, to guarantee the normal operation of equipment.It can be good at avoiding the need for cooling equipment directly and contact with sea water, and can satisfy the cooling requirement of different temperatures.
Description
Technical field
The present invention relates to cooling water systems to belong to peculiar to vessel in particular to a kind of marine PWR center cooling system of fresh water
Presurized water reactor technical field.
Background technique
The equipment of marine PWR can release a large amount of heat in the process of running, in order to the corresponding heat that sheds, need
There is sufficient amount of cooling medium pressure to flow in series through heating part, passes through the cooling normal table for guaranteeing these heat generating components
Work.
Seawater is generallyd use on ship at present directly to cool down equipment, but seawater has strong corrosive, easily causes
Equipment and piping leak.In addition, having very strict requirement to the temperature after being cooled for certain user, if fresh water stream
Amount is more than predetermined value, will lead to equipment supercooling；If fresh-water flow is lower than predetermined value, may cause equipment can not be thoroughly cooled
Get off, these all by cause equipment cannot it is anticipated that setting execute distinctive function.
Therefore in order to guarantee the safe and reliable operation of ship and meet the needs of cooled equipment, it is light to need to design center
Water cooling system can be good at avoiding the need for cooling equipment directly and contact with sea water, and can satisfy cooling requirement.
Summary of the invention
Present invention aims to overcome that above-mentioned the deficiencies in the prior art and a kind of marine PWR center fresh water cooled is provided
System, the system are that the heat transfer of fresh water is obtained user to seawater and set by a closed circuit system using fresh water as medium
Standby required cooling fresh water, to guarantee the normal operation of equipment.
Realize the object of the invention the technical solution adopted is that a kind of marine PWR center cooling system of fresh water comprising according to
The fresh water ripple tank of secondary connection, fresh water circulating pump and central fresh-water cooler, the fresh water in the fresh water ripple tank pass through fresh water
Circulating pump is pumped into central fresh-water cooler, and central fresh-water cooler connects multiple user equipmenies to be cooled；The center is light
Water cooler includes seawater cooling duct, and seawater flows through central fresh-water cooler, central fresh-water cooler from seawater cooling duct
Middle fresh water realizes cooling after transferring heat to seawater, and fresh water after cooling is exported to equipment to be cooled and cooled down；User sets
It is standby to be connect with fresh water circulating pump by return line.
Further, fresh water ripple tank and fresh water circulating pump are equipped with fresh water filter.
In the above-mentioned technical solutions, the position of the fresh water ripple tank be higher than fresh water circulating pump and central fresh-water cooler with
And connecting line.
In the above-mentioned technical solutions, the fresh water ripple tank is equipped with overflow pipe, blow vent and dosing mouth.
In the above-mentioned technical solutions, the central fresh-water cooler is connected with for exporting fresh water after cooling to user
The fresh water distribution header of equipment, the user equipment are respectively connected with the branch pipe flowed through for cooling down fresh water, and the fresh water distribution is total
Pipe is connect with the input terminal end of branch pipe, and the output end of branch pipe is connect with return line, the other end and fresh water filter of return line
Connection.
In the above-mentioned technical solutions, the fresh water distribution header is connected with bypass line, and the bypass line is equipped with bypass
Valve, the fresh water distribution header are equipped with flowmeter.
In the above-mentioned technical solutions, the fresh water ripple tank is equipped with liquidometer, and the fresh water filter is equipped with differential pressure indicator on the spot,
The outlet of the main fresh water circulating pump is equipped with distance-transmission pressure gauge, and the fresh water distribution header of the center fresh-water cooler is equipped with flow
Meter and teletransmission thermometer；The input terminal of the branch pipe is equipped with thermostat valve.
In the above-mentioned technical solutions, the fresh water circulating pump includes main fresh water circulating pump and in parallel with the main fresh water circulating pump
Spare fresh water circulating pump；The center fresh-water cooler include main central fresh-water cooler and with the main central fresh-water cooler
Spare central fresh-water cooler in parallel.
In the above-mentioned technical solutions, marine PWR center cooling system of fresh water further includes remote control terminal, described spare
Fresh water circulating pump and spare central fresh-water cooler are equipped with control switch, the detection signal input part point of the remote control terminal
It is not connect with the distance-transmission pressure gauge and teletransmission thermometer, the control signal output of remote control terminal is followed with spare fresh water respectively
Ring pump is connected with the control switch of spare central fresh-water cooler.Pressure and temperature signal of the remote control terminal according to detection, control
Preparation fresh water circulating pump and spare central fresh-water cooler.
Marine PWR center of the present invention cooling system of fresh water is a closed circuit system, will using fresh water as medium
The heat transfer of fresh water obtains cooling fresh water required for user equipment to seawater, to guarantee the normal operation of equipment, entirely
Medium fresh water is recycled in process, can economically utilize freshwater resources for operation on the sea, and for the temperature after being cooled
Degree has necessarily required user equipment, can satisfy the demand to different cooling temperatures.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of marine PWR center of the present invention cooling system of fresh water.
Figure label: 1- fresh water ripple tank (1.1- dosing mouth, 1.2- blow vent, 1.3- overflow pipe), 2- fresh water filter, 3-
Main fresh water circulating pump, the main central fresh-water cooler of 4-, 5- bypass line (5.1- by-passing valve), 6- user equipment, the reflux of 7- fresh water
Pipe, the spare central fresh-water cooler of 8-, the spare fresh water circulating pump of 9-.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, the present embodiment provides a kind of marine PWR center cooling system of fresh water comprising sequentially connected
Fresh water ripple tank 1, fresh water filter 2, main fresh water circulating pump 3 and main central fresh-water cooler 4, the main function of main fresh water circulating pump 3
It can be to enter the fresh water of central fresh-water cooler and providing drive ram；Main center fresh-water cooler 4 connects multiple to be cooled
User equipment 6, main center fresh-water cooler 4 includes seawater cooling duct (not shown), and it is light that seawater flows through main center from A mouthfuls
It is discharged after water cooler 4 from B mouthfuls, the major function of main center fresh-water cooler 4 is by the cooling central fresh water cooled system of seawater
Fresh water in system meets the light of temperature requirement by the heat transfer of fresh water to seawater to need cooling user equipment 6 to provide
Water；The major function of fresh water ripple tank 1 is the variation of adaptation system fresh water volume and the normal moisturizing for realizing system；Fresh water filter
2 major function is the impurity for removing fresh water line, prevents line clogging.
The fresh water that main center fresh-water cooler 4 is connected with for exporting fresh water after cooling to user equipment distributes total
Pipe, user equipment 6 are respectively connected with the branch pipe (not shown) flowed through for cooling down fresh water, fresh water distribution header and branch pipe it is defeated
Enter end connection.Fresh water distribution header is also connected with bypass line 5, and bypass line is equipped with by-passing valve 5.1, light in user equipment demand
When discharge reduction, bypass valve 5.1 is opened, the part fresh water in fresh water distribution header is shunted from bypass line 5, recycles main fresh water
Pump 3 operates in best operating point.The control signal of the bypass valve is from the flowmeter connect on entrance user equipment branch pipe.
In order to recycle fresh water, user equipment to be cooled is connected with fresh water return pipe 7, one end of fresh water return pipe 7
It is connect with the output end of branch pipe, the other end is connected to fresh water filter 2.Fresh water after cooling from branch pipe flow through to user equipment 6 into
After row is cooling, the cooling procedure that fresh water filter 2 carries out next step is flowed by fresh water return pipe 7, realizes the circulation of circulation fresh water
It utilizes.
Before system starting, outer water tube injects fresh water to system by fresh water ripple tank 1, makes whole system will full of water
Air discharge, seawater enter seawater cooling duct and provide cooling water to main central fresh-water cooler 4.It is light in fresh water ripple tank 1
Water is pumped into main central fresh-water cooler 4 after fresh water filter 2 filters out impurity through main fresh water circulating pump 3, and main center fresh water is cold
But fresh water transfers heat to and realizes cooling after seawater in device 4, and fresh water after cooling is exported to user equipment to be cooled 6 to it
It is cooled down, the fresh water after completing cooling task comes back to fresh water filter 2 by fresh water return pipe 7, so recycles, and guarantees phase
Close the normal cooling of equipment.
System does not need special operation when deactivating, fresh water circulating pump of stopping transport manually, keeps system full water, only in maintenance
Just allow to empty.Fresh water ripple tank arrangement in present system is higher than system pipeline as far as possible, to maintain fresh water circulating pump to suck
Mouth has certain pressure, prevents vaporization phenomenon, in addition, the top of fresh water ripple tank 1 is equipped with overflow pipe 1.3, blow vent
1.2, dosing mouth 1.1 add tertiary sodium phosphate by fresh water of the dosing mouth 1.1 into system, slow down the corrosion of equipment and pipeline, protect
Demonstrate,prove fresh water water quality.
In order to avoid generating vent plug in the elbow of system pipeline, there should be gas vent in the highest point of system, in pipeline
Dewatering outlet is arranged in lowest part.
As a kind of preferred embodiment of the invention, the spare fresh water in parallel with main fresh water circulating pump 3 can also be set
The spare central fresh-water cooler 8 in parallel with main central fresh-water cooler 8 is arranged, when main fresh water circulating pump 3 and master in circulating pump 9
When central fresh-water cooler 8 breaks down or is not able to satisfy cooling requirement, then can open spare fresh water circulating pump 9 or it is spare in
Entreat fresh-water cooler 8.
In present system operational process, in order to which pressure, flow, the temperature of system working media fresh water is monitored and controlled
Etc. parameters, system configuration have the instrument such as pressure gauge, flowmeter, thermometer, it is specifically, remote in fresh water circulating pump outlet header setting
Pressure gauge is passed, it is more than that setting valve is alarmed that manifold pressure, which reduces, and stand-by pump starts automatically.In addition, when event occurs for main fresh water circulating pump 3
When barrier, such as overload, short circuit, fresh water circulating pump outlet header's pressure anomaly, spare fresh water circulating pump operation is automatically switched to, and
Provide corresponding fault alarm.In the present embodiment, distance-transmission pressure gauge can be connect with remote control terminal, stand-by pump is equipped with control
Switch, remote control terminal receives the signal of distance-transmission pressure gauge, and if you need to start stand-by pump, then remote opening control switch is to start
Stand-by pump.
Differential pressure indicator on the spot is set in fresh water filter 2, to monitor the performance of filter, pressure difference replaces fresh water when being more than permissible value
Filter.
In the fresh water distribution header of main central fresh-water cooler 4 and spare central fresh-water cooler 9, flowmeter is set, to
Monitor the total flow of fresh water.Teletransmission thermometer on the spot is set in the outlet header of main central fresh-water cooler 4, to monitor cooling
The operating status of device starts spare central fresh-water cooler 9 when main central 4 temperature of fresh-water cooler is higher than setting value；Work as temperature
When degree is lower than setting value, the seawater flow for entering central fresh-water cooler is adjusted, makes temperature adjustment in setting value.The present embodiment
In, it teletransmission thermometer can will be connect on the spot with remote control terminal, spare center fresh-water cooler 9 is equipped with control switch, remotely
Control terminal receives the signal of teletransmission thermometer on the spot, if you need to start spare central fresh-water cooler 9, then remote opening control switch
To start spare central fresh-water cooler 9.
The input terminal of branch pipe is equipped with thermostat valve, for controlling the fresh-water flow for flowing into branch pipe, when user equipment (branch pipe) goes out
When mouth temperature is higher than setting value, thermostat valve is opened, allows fresh water to flow into branch pipe and user equipment is cooled down, when user equipment (branch
Pipe) outlet temperature be lower than setting value when, adjust thermostat valve, reduce flow into user equipment (branch pipe) fresh water amount.
Liquidometer is set on fresh water ripple tank, shows liquid level on the spot, liquid level is higher or lower than setting value, automatic to report
It is alert.
Claims (9)
1. a kind of marine PWR center cooling system of fresh water, it is characterised in that: including sequentially connected fresh water ripple tank, fresh water
Circulating pump and central fresh-water cooler, the fresh water in the fresh water ripple tank are pumped into central fresh-water cooler by fresh water circulating pump
In, central fresh-water cooler connects multiple user equipmenies to be cooled；The center fresh-water cooler includes seawater cooling duct,
Seawater flows through central fresh-water cooler from seawater cooling duct, and fresh water transfers heat to after seawater in fact in central fresh-water cooler
It now cools down, fresh water after cooling is exported to equipment to be cooled and cooled down；User equipment and fresh water circulating pump pass through return line
Connection.
2. marine PWR center cooling system of fresh water according to claim 1, it is characterised in that: described: fresh water ripple tank
Fresh water filter is equipped with fresh water circulating pump.
3. marine PWR center cooling system of fresh water according to claim 2, it is characterised in that: the fresh water ripple tank
Position is higher than fresh water circulating pump and central fresh-water cooler and connecting line.
4. marine PWR center cooling system of fresh water according to claim 3, it is characterised in that: the fresh water ripple tank is set
There are overflow pipe, blow vent and dosing mouth.
5. marine PWR center cooling system of fresh water according to claim 4, it is characterised in that: the center fresh water cooled
Device is connected with for exporting fresh water after cooling to the fresh water distribution header of user equipment, and the user equipment is respectively connected with use
In the branch pipe that cooling fresh water flows through, the input terminal end of the fresh water distribution header and branch pipe is connected, the output end of branch pipe and reflux
The other end of piping connection, return line is connect with fresh water filter.
6. marine PWR center cooling system of fresh water according to claim 5, it is characterised in that: the fresh water distribution header
It is connected with bypass line, the bypass line is equipped with by-passing valve；The fresh water distribution header is equipped with flowmeter.
7. marine PWR center cooling system of fresh water according to claim 6, it is characterised in that: the fresh water ripple tank is set
There is liquidometer, the fresh water filter is equipped with differential pressure indicator on the spot, and the outlet of the main fresh water circulating pump is equipped with distance-transmission pressure gauge, described
The fresh water distribution header of central fresh-water cooler is equipped with flowmeter and teletransmission thermometer；The input terminal of the branch pipe is equipped with temperature control
Valve.
8. any marine PWR center cooling system of fresh water according to claim 1~7, it is characterised in that: the fresh water
Circulating pump includes main fresh water circulating pump and the spare fresh water circulating pump in parallel with the main fresh water circulating pump；The center fresh water cooled
Device includes main central fresh-water cooler and the spare central fresh-water cooler in parallel with the main central fresh-water cooler.
9. marine PWR center cooling system of fresh water according to claim 8, it is characterised in that: further include remotely controlling
End, the spare fresh water circulating pump and spare central fresh-water cooler are equipped with control switch, the detection of the remote control terminal
Signal input part is connect with the distance-transmission pressure gauge and teletransmission thermometer respectively, the control signal output difference of remote control terminal
It is connect with the control switch of spare fresh water circulating pump and spare central fresh-water cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445164.8A CN110176319A (en) | 2019-05-27 | 2019-05-27 | A kind of marine PWR center cooling system of fresh water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445164.8A CN110176319A (en) | 2019-05-27 | 2019-05-27 | A kind of marine PWR center cooling system of fresh water |
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| Publication Number | Publication Date |
|---|---|
| CN110176319A true CN110176319A (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910445164.8A Pending CN110176319A (en) | 2019-05-27 | 2019-05-27 | A kind of marine PWR center cooling system of fresh water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874969A (en) * | 2020-07-27 | 2020-11-03 | 广船国际有限公司 | Cooling fresh water circulating system dosing device, use method thereof and ship |
| CN112082309A (en) * | 2020-08-04 | 2020-12-15 | 沪东中华造船(集团)有限公司 | Central fresh water cooling and energy saving system for ship |
| CN113291447A (en) * | 2021-06-29 | 2021-08-24 | 南京公诚节能新材料研究院有限公司 | Ship cooling system based on catalyst material |
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| CN203376652U (en) * | 2013-07-18 | 2014-01-01 | 中广核工程有限公司 | A temperature self-adjusting structure for a nuclear power station equipment cooling water system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203376652U (en) * | 2013-07-18 | 2014-01-01 | 中广核工程有限公司 | A temperature self-adjusting structure for a nuclear power station equipment cooling water system |
| CN105469841A (en) * | 2016-01-04 | 2016-04-06 | 上海核工程研究设计院 | Equipment cooling water system of floating nuclear power plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874969A (en) * | 2020-07-27 | 2020-11-03 | 广船国际有限公司 | Cooling fresh water circulating system dosing device, use method thereof and ship |
| CN112082309A (en) * | 2020-08-04 | 2020-12-15 | 沪东中华造船(集团)有限公司 | Central fresh water cooling and energy saving system for ship |
| CN113291447A (en) * | 2021-06-29 | 2021-08-24 | 南京公诚节能新材料研究院有限公司 | Ship cooling system based on catalyst material |
| CN113291447B (en) * | 2021-06-29 | 2022-11-18 | 南京公诚节能新材料研究院有限公司 | Ship cooling system based on catalyst material |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190827 |
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| RJ01 | Rejection of invention patent application after publication |