CN105006257A - Drying device and method for secondary side of million-KW level pressurized water reactor nuclear power station evaporator - Google Patents
Drying device and method for secondary side of million-KW level pressurized water reactor nuclear power station evaporator Download PDFInfo
- Publication number
- CN105006257A CN105006257A CN201510259569.4A CN201510259569A CN105006257A CN 105006257 A CN105006257 A CN 105006257A CN 201510259569 A CN201510259569 A CN 201510259569A CN 105006257 A CN105006257 A CN 105006257A
- Authority
- CN
- China
- Prior art keywords
- secondary side
- evaporator
- air
- drying
- nuclear power
- 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.)
- Granted
Links
Classifications
-
- 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
- G21C15/16—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants comprising means for separating liquid and steam
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of nuclear power and provides a drying device and method for the secondary side of a million-KW level pressurized water reactor nuclear power station evaporator. The drying device comprises an air charging device used for charging compressed air, a first temperature detector arranged on a hand hole and used for obtaining drying temperature of the second side of the evaporator, a first humidity detector arranged on an upper man hole and used for obtaining dew-point temperature of the man hole of the evaporator, and a first controller used for calculating a difference value of the drying temperature of the secondary side of the evaporator and the dew-point temperature of the man hole, and comparing the difference value with a preset margin; when the difference value is larger than the preset margin, the first controller controls the air charging device to stop charging the air. According to the device, the air charging device charges the dry compressed air, the compressed air moves upwards from the lower portion of the secondary side, absorbs water and is exhausted from the upper man hole, the humidity in the entering process of the compressed air and the humidity in the exhausting process of the compressed air are different, and whether the air humidity in the secondary side meets the requirement can be evaluated by comparing the difference value of the humidity, so that the purpose of fast drying is achieved.
Description
Technical field
The present invention relates to technical field of nuclear power, more particularly, relate to drying device and the method for kilowatt pressurized water reactor nuclear power station evaporator secondary side.
Background technology
Nuclear power evaporator SG (steam generator) is one of three large equipments in nuclear island, it is the border of kilowatt pressurized water reactor nuclear power station primary Ioops, secondary circuit, the heat that reactor produces is passed to evaporator secondary side by it, and the steam of generation promotes turbodynamo generating after the drying of I and II steam-water separator.Evaporator is connected with reactor pressure vessel, not only directly affects power and the efficiency in power station, and when carrying out exchange heat, also plays a part to intercept radioactivity catalyst carrier, most important to nuclear plant safety.
Particularly, in pressurized-water reactor nuclear power plant, evaporator the heat in primary Ioops cooling medium is passed to secondary circuit feedwater, make its produce saturated vapour supply secondary circuit in propulsion system.Each loop is equipped with an evaporator, and every platform capacity is according to the heat output of reactor design of transmitting 1/3rd during Operation at full power.As the equipment connecting primary Ioops and secondary circuit, evaporator forms the second protective barrier preventing radioactivity from leaking between two loops.Because water may damagedly leak by activation after irradiation and a small amount of fuel can, the primary Ioops cooling medium flowing through reactor core has radioactivity, and Secondary Circuit of PWR equipment can not be subject to radioactive contamination, and the tube sheet of evaporator and inverted U-shaped pipe are the ingredients of reactor coolant pressure boundary, belong to one of second radioactivity protection barrier.
As shown in Figure 1, it is made up of lower member 10 ' (evaporator section) and upper component 20 ' (carbonated drink segregation section) two large divisions the current evaporation structure for nuclear power station.Lower member mainly contains: low head, tube sheet, bottom shell ring, tube sheet, U-shaped heat-transfer pipe, tube bank sleeve, supporting clapboard etc.; Upper component mainly contains: primary separator, second-stage separator, feedwater endless tube, restrictor, upper cover and top shell ring etc.The primary side of evaporator is exactly that side component from flowing through after the cooling medium that reactor pressure vessel comes enters evaporator, i.e. corresponding above-mentioned lower member 10 '; Secondary side is heated in water supply loop and is produced that side component of steam, i.e. corresponding above-mentioned upper component 20 '.But tube sheet and U-shaped heat-transfer pipe are while be primary side, and another side is secondary side.From nuclear safety classification, the parts of primary side belong to nuclear safety 1 grade, and the parts of secondary side belong to nuclear safety 2 grades.
According to the requirement of French specification RST-M97 version (2000), nuclear power generating sets must implement the test of heat-transfer pipe of evaporator 100% helium mass spectrum leak detection when each Ten-year outage.This test is carried out after Primary hydraulic test terminates, and forms an entirety with Primary hydraulic test, the full eddy current inspection of heat-transfer pipe of evaporator, and grasp the health status of heat-transfer pipe of evaporator, this is conducive to the safe operation of unit comprehensively.At run duration, when evaporator primary side to the slip of secondary side more than 5L/H, must helium test for leak be carried out.
Heat-transfer pipe of evaporator helium mass spectrum leak detection is filled with tracer gas-helium to evaporator secondary side, and keep the pressure of 6bar.a, leakage channel may be there is to make helium by heat-transfer pipe and enter primary side, at the opposite side of inwall, tracer gas is collected, and utilize helium mass analyzer to detect, to determine existence and the size of leakage.
Helium mass spectrum leak detection detects very small leakage, if the inside and outside wall of detected equipment exists moisture film, then can reduce the sensitivity of detection, even cannot find the small leakage existed, so the drying of evaporator first and second side is particularly important.The volume of evaporator primary side is little, and dry run is relatively simple, and purging 8 hours with dry air can meet testing requirement.Because secondary side volume is large, particularly on tube sheet, not evacuable ponding considerably increases dry difficulty, extends the dry time, and the critical path of whole overhaul can be affected long drying time, can not be allowed to, therefore, needing searching badly can to the quick-drying method of the secondary side of evaporator.
Summary of the invention
The object of the present invention is to provide a kind of drying device and method of kilowatt pressurized water reactor nuclear power station evaporator secondary side, be intended to solve in prior art evaporator secondary side drying time of existing of long problem.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of kilowatt pressurized water reactor nuclear power station evaporator secondary side drying device, comprising:
Aerating device, is communicated with four eyelets of evaporator secondary side, for being filled with dry pressurized air in evaporator secondary side;
First temperature detector, is located at the hand hole place of described evaporator secondary side, for obtaining evaporator secondary side baking temperature;
First moisture detector, is located at the manhole place, top of described evaporator secondary side, for obtaining the dewpoint temperature at manhole place, evaporator top;
First controller, for calculating the difference of the dewpoint temperature at manhole place, top under evaporator secondary side baking temperature and dynamic drying regime, and compares difference and default nargin, controls described aerating device stop inflation when difference is greater than default nargin.
Particularly, described aerating device comprises:
Gas compressor, is provided with air suction inlet and first row gas port, for generation of pressurized air;
Gas distributor, is provided with air intake opening and the described second exhaust port corresponding with described eyelet quantity, for the pressurized air uniform distribution produced gas compressor;
Described air intake opening is communicated with described first row gas port, and each described second exhaust port is communicated with each described eyelet one_to_one corresponding.
Further, described aerating device also comprises:
Second moisture detector, is located at described evaporator eyelet place, for monitoring compressed-air actuated dewpoint temperature;
Exsiccator, for carrying out drying to the air of gas compressor; Second controller, for compressed-air actuated dewpoint temperature and pre-set threshold value being compared, controlling described gas compressor and stopping when compressed-air actuated dewpoint temperature is greater than pre-set threshold value.
Particularly, described first moisture detector and described second moisture detector are dew point meter.
Particularly, described aerating device is filled with pressurized air by the nozzle be positioned on eyelet cover plate, described nozzle down, just to the tube sheet in described evaporator secondary side.
Present invention also offers a kind of kilowatt pressurized water reactor nuclear power station evaporator secondary side drying means, comprise the following steps:
S1: utilize aerating device to be filled with dry pressurized air in the eyelet of evaporator secondary side;
S2: the baking temperature at hand hole place and the dewpoint temperature at manhole place, evaporator top that obtain evaporator secondary side respectively;
S3: control described aerating device when the difference of the dewpoint temperature at manhole place, top is greater than default nargin under the baking temperature and dynamic drying regime at the hand hole place of evaporator secondary side and stop inflating.
Particularly, in step sl, a gas compressor is utilized to produce pressurized air by being filled with in each eyelet after a gas distributor uniform distribution.
Particularly, in step sl, an exsiccator is utilized to carry out drying to the air of gas compressor, and obtain the compressed-air actuated dewpoint temperature that evaporator eyelet place is filled with, compare with pre-set threshold value, control described gas compressor to stop when pressurized air dewpoint temperature is greater than pre-set threshold value, and check the operation conditions of exsiccator.
Particularly, in step s 2, utilize temperature detector and moisture detector to the air dew point temperature of the air themperature and manhole place, evaporator top that obtain the hand hole place of evaporator secondary side respectively.
Particularly, utilize nozzle to be filled with pressurized air in step sl, and when being filled with nozzle down, just to the tube sheet in described evaporator secondary side.
In the present invention, aerating device is by being filled with dry pressurized air in eyelet, pressurized air to be moved upward absorption moisture by the bottom of secondary side, finally discharged by top manhole, humidity when locating set temperature detecting device and moisture detector respectively to obtain evaporator secondary side air themperature and to discharge manhole in hand hole and manhole, namely controller can be assessed air humidity in evaporator by the difference comparing both and whether reach requirement thus control whether to continue inflation drying, owing to being provided with controller and temperature, moisture detector, can monitor in real time, grasp drying regime, reach quick-drying object.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing evaporator in nuclear power station provided by the invention;
Fig. 2 is the connection diagram of evaporator secondary side drying device and evaporator in the embodiment of the present invention;
Fig. 3 is the process flow diagram of evaporator secondary side drying means in the embodiment of the present invention;
10 '-lower member; 20 '-upper component; 10-eyelet;
20-hand hole; 30-manhole; 40-aerating device;
41-gas compressor; 411-air suction inlet; 412-first row gas port;
42-gas divides device; 421-air intake opening; 422-second exhaust port;
43-second moisture detector; 44-exsiccator; 50-first temperature detector;
60-first moisture detector; 70-pipeline; 80-tube sheet.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is called as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
With reference to Fig. 2, the bottom of the kilowatt pressurized water reactor nuclear power station evaporator secondary side that the embodiment of the present invention provides is provided with four eyelets 10 and a hand hole 20, and evaporator secondary side top is provided with a manhole 30.The drying device that the embodiment of the present invention provides, comprises aerating device 40, is communicated with four eyelets 10 of evaporator secondary side, for being filled with dry pressurized air in evaporator secondary side; First temperature detector 50, is located at hand hole 20 place of evaporator secondary side, evaporator secondary side baking temperature; First moisture detector 60, is located at manhole 30 place of evaporator secondary side, for obtaining the dewpoint temperature at manhole 30 place, evaporator top; First controller (not shown), for calculating the difference of the dewpoint temperature at top manhole 30 place under evaporator secondary side baking temperature and dynamic drying regime, and difference and default nargin are compared, control aerating device 40 when difference is greater than default nargin and stop inflation.
Preferably, in the present embodiment, the first moisture detector 60 is dew point meter.Dew point meter is used to measure dewpoint temperature.Dewpoint humidity refers to that air is under moisture content and all immovable condition of air pressure, temperature when being cooled to saturated.More particularly, be exactly that water vapour in air temperature when becoming dewdrop is dewpoint temperature.When water in air vapour reaches capacity, temperature is identical with dewpoint temperature; When steam does not reach capacity, temperature is necessarily higher than dewpoint temperature.The difference of dew point and temperature can represent that steam in air is apart from saturated degree.When the relative humidity of 100%, the temperature of surrounding environment is exactly dew point.Dew point is more less than the temperature of surrounding environment, and the possibility of condensation is less, and also just mean that air is drier, dew point is temperature influence not, but the impact that is stressed.The moisture content in air can be known through dew point, although therefore dewpoint temperature is temperature value, be commonly used to represent humidity.Therefore, dew point meter is adopted namely can to know the air humidity at manhole 30 place exactly in the present embodiment.
Particularly, in the present embodiment, aerating device 40 comprises gas compressor 41 and gas distributor 42.Wherein, gas compressor 41 is provided with air suction inlet 411 and first row gas port 412, and gas compressor 41 carries out compressed shape after being sucked by air suction inlet 411 by extraneous air and becomes pressurized air to be discharged by first row gas port 412.And gas distributor 42, be provided with air intake opening 421 and the second exhaust port 422 corresponding with eyelet 10 quantity, air intake opening 421 is communicated with the first row gas port 412 of gas compressor 41, and second exhaust port 422 is communicated with four eyelet 10 one_to_one corresponding, like this, the pressurized air that gas compressor 41 produces is inputted in the secondary side of evaporator by four eyelets 10 after gas distributor 42 uniform distribution.
Further, four second exhaust port 422 of gas distributor 42 are communicated in respectively by pipeline 70 on the cover plate of four eyelets 10, and the other end is respectively equipped with nozzle (not shown) in cover plate, nozzle down, and just to the tube sheet 80 in evaporator secondary side.Like this, after pressure gas enters, namely targetedly rapid draing is carried out to ponding not evacuable on tube sheet 80, thus improve whole evaporator secondary side inner drying efficiency.
As preferred embodiment, in the present embodiment, aerating device 40 also comprises the second moisture detector 43, exsiccator 44 and second controller (not shown).Exsiccator 44 is for carrying out drying to the air of gas compressor 41, and the second moisture detector 43 is located at evaporator eyelet 10 place, detects the pressurized air humidity entering evaporator secondary side; Second controller is used for the pressurized air humidity that obtained by the second moisture detector 43 and pre-set threshold value compares, control gas compressor to stop transport when pressurized air humidity is greater than pre-set threshold value, to check the operation conditions of exsiccator 44, ensure that exsiccator 44 normally runs, guarantee that the dried gas temperature of drying device 44 is qualified.This is because the pressurized air that gas compressor 41 produces is exactly for absorbing moisture after being filled with evaporator secondary side, therefore the pressurized air humidity guaranteeing the air outlet 422 of gas compressor 41 is very important.Preferably, pre-set threshold value is-20 DEG C.Namely be to guarantee that dried pressure gas humidity is less than-20 DEG C.In the present embodiment, the second moisture detector 43 is also dew point meter.With reference to Fig. 3, embodiments provide evaporator secondary side drying means in a kind of nuclear power station, comprise the following steps:
S1: utilize aerating device to be filled with pressurized air in the eyelet 10 of evaporator secondary side;
S2: the baking temperature at hand hole 20 place and the dewpoint temperature at manhole 30 place, evaporator top that obtain evaporator secondary side respectively;
S3: control aerating device 40 when the difference of the dewpoint temperature at top manhole 30 place is greater than default nargin under the baking temperature and dynamic drying regime at hand hole 20 place of evaporator secondary side and stop inflating.
In the present embodiment, aerating device 40 is by being filled with dry pressurized air in eyelet 10, first purge tube sheet 80, to be moved upward absorption moisture by the bottom of secondary side again, finally discharged by top manhole 30, different from humidity when discharging when pressurized air enters, owing to absorbing moisture during discharge, humidity is larger.Like this, by comparing and entering the degree of drying of evaporator secondary side is assessed with difference when discharging time.
In the present embodiment, because eyelet 10 has four, therefore in step sl, a gas compressor 41 is utilized to produce pressurized air and by being filled with in four eyelets 10 after gas distributor 42 uniform distribution, like this, ensure that the pressurized air be filled with is uniformly distributed in evaporator secondary side, thus make inner drying also more balanced.
And in step sl utilize the nozzle be located on eyelet 10 cover plate be filled with pressurized air, nozzle down, just to the tube sheet 80 in evaporator secondary side.
Due to the secondary side that the pressurized air be filled with is for dry evaporator, therefore the pressurized air that gas compressor 41 produces also is necessary for dry air, the drying efficiency that such guarantee is follow-up.Therefore in step sl, the pressurized air that gas compressor 41 produces needs drying device 44 to carry out drying, before pressurized air enters evaporator secondary side, by the second moisture detector 43 gas-monitoring compressor reducer 41 exhaust air humidity, to ensure the requirement meeting pre-set threshold value.Preferably, pre-set threshold value is-20 DEG C.Namely be to guarantee that dried pressure gas humidity is less than-20 DEG C.Control gas compressor 41 to stop when pressurized air dewpoint temperature is greater than pre-set threshold value, and check the operation conditions of exsiccator.
In step s 2, the first temperature detector 50 is utilized to obtain the air themperature at hand hole 20 place of evaporator secondary side and a first moisture detector 60 i.e. dew point meter to obtain the dewpoint temperature at manhole 30 place, evaporator top, what dew point meter obtained is dewpoint temperature, and default nargin is preferably 20 DEG C.When under the air themperature and dynamic drying regime at hand hole 20 place, the difference of the dewpoint temperature at manhole 30 place is greater than default nargin 20 DEG C, illustrate that the drying of evaporator secondary side reaches requirement, do not need to be filled with pressurized air again, now the first controller controls aerating device 40 stopping inflation, and closes manhole door.When the air themperature at hand hole 20 place and the manhole 30 place air dew point temperature difference of converting under 6bar.a is greater than 10 DEG C, illustrate that the drying of evaporator secondary side meets the requirement of heat-transfer pipe of evaporator helium mass spectrum leak detection, otherwise continue to be filled with compressed air drying until meet the demands.
Show through experiment, during heat-transfer pipe of evaporator eddy current inspection, adopt above-mentioned drying device and method to carry out drying to evaporator secondary side, critical path can not be taken, and can control drying time within 72 hours, substantially reduce drying time, thus shorten the duration of heat-transfer pipe of evaporator helium mass spectrum leak detection.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a drying device for kilowatt pressurized water reactor nuclear power station evaporator secondary side, is characterized in that, comprising:
Aerating device, is communicated with four eyelets of evaporator secondary side, for being filled with dry pressurized air in evaporator secondary side;
First temperature detector, is located at the hand hole place of described evaporator secondary side, for obtaining evaporator secondary side baking temperature;
First moisture detector, is located at the manhole place, top of described evaporator secondary side, for obtaining the dewpoint temperature at manhole place, evaporator top;
First controller, for calculating the difference of the dewpoint temperature at manhole place, top under evaporator secondary side baking temperature and dynamic drying regime, and compares difference and default nargin, controls described aerating device stop inflation when difference is greater than default nargin.
2. the drying device of kilowatt pressurized water reactor nuclear power station evaporator secondary side as claimed in claim 1, it is characterized in that, described aerating device comprises:
Gas compressor, is provided with air suction inlet and first row gas port, for generation of pressurized air;
Gas distributor, is provided with air intake opening and the described second exhaust port corresponding with described eyelet quantity, for the pressurized air uniform distribution produced gas compressor;
Described air intake opening is communicated with described first row gas port, and each described second exhaust port is communicated with each described eyelet one_to_one corresponding.
3. the drying device of kilowatt pressurized water reactor nuclear power station evaporator secondary side as claimed in claim 2, it is characterized in that, described aerating device also comprises:
Second moisture detector, is located at described evaporator eyelet place, for monitoring compressed-air actuated dewpoint temperature;
Exsiccator, for carrying out drying to the air of gas compressor; Second controller, for compressed-air actuated dewpoint temperature and pre-set threshold value being compared, controlling described gas compressor and stopping when compressed-air actuated dewpoint temperature is greater than pre-set threshold value.
4. the drying device of kilowatt pressurized water reactor nuclear power station evaporator secondary side as claimed in claim 1, it is characterized in that, described first moisture detector and described second moisture detector are dew point meter.
5. the drying device of kilowatt pressurized water reactor nuclear power station evaporator secondary side as claimed in claim 1, it is characterized in that, described aerating device is filled with pressurized air by the nozzle be positioned on eyelet cover plate, described nozzle down, just to the tube sheet in described evaporator secondary side.
6. a drying means for kilowatt pressurized water reactor nuclear power station evaporator secondary side, is characterized in that, comprises the following steps:
S1: utilize aerating device to be filled with dry pressurized air in the eyelet of evaporator secondary side;
S2: the baking temperature at hand hole place and the dewpoint temperature at manhole place, evaporator top that obtain evaporator secondary side respectively;
S3: control described aerating device when the difference of the dewpoint temperature at manhole place, top is greater than default nargin under the baking temperature and dynamic drying regime at the hand hole place of evaporator secondary side and stop inflating.
7. the drying means of kilowatt pressurized water reactor nuclear power station evaporator secondary side as claimed in claim 6, is characterized in that, in step sl, utilizes a gas compressor to produce pressurized air and by being filled with in each eyelet after a gas distributor uniform distribution.
8. the drying means of kilowatt pressurized water reactor nuclear power station evaporator secondary side as claimed in claim 7, it is characterized in that, in step sl, an exsiccator is utilized to carry out drying to the air of gas compressor, and obtain the compressed-air actuated dewpoint temperature that evaporator eyelet place is filled with, compare with pre-set threshold value, control described gas compressor when pressurized air dewpoint temperature is greater than pre-set threshold value and stop, and check the operation conditions of exsiccator.
9. the drying means of kilowatt pressurized water reactor nuclear power station evaporator secondary side as claimed in claim 6, it is characterized in that, in step s 2, utilize temperature detector and moisture detector to the air dew point temperature of the air themperature and manhole place, evaporator top that obtain the hand hole place of evaporator secondary side respectively.
10. the drying means of kilowatt pressurized water reactor nuclear power station evaporator secondary side as claimed in claim 8, is characterized in that, utilize nozzle to be filled with pressurized air in step sl, and when being filled with nozzle down, just to the tube sheet in described evaporator secondary side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510259569.4A CN105006257B (en) | 2015-05-20 | 2015-05-20 | The drying device and method of kilowatt pressurized water reactor nuclear power station evaporator secondary side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510259569.4A CN105006257B (en) | 2015-05-20 | 2015-05-20 | The drying device and method of kilowatt pressurized water reactor nuclear power station evaporator secondary side |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105006257A true CN105006257A (en) | 2015-10-28 |
| CN105006257B CN105006257B (en) | 2018-02-13 |
Family
ID=54378894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510259569.4A Active CN105006257B (en) | 2015-05-20 | 2015-05-20 | The drying device and method of kilowatt pressurized water reactor nuclear power station evaporator secondary side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105006257B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758593A (en) * | 2016-05-17 | 2016-07-13 | 中广核检测技术有限公司 | Helium mass spectrum leakage detection equipment for nuclear evaporator heat conduction pipe and quantitative positioning method |
| CN106017817A (en) * | 2016-05-17 | 2016-10-12 | 中广核检测技术有限公司 | Secondary side system for helium mass spectrum leakage detection equipment for heat-transfer pipe of nuclear steam generator |
| CN106017822A (en) * | 2016-05-17 | 2016-10-12 | 中广核检测技术有限公司 | Nuclear steam generator heat transfer tube helium mass spectrometer leak detection equipment leak rate quantification method |
| CN106092461A (en) * | 2016-05-17 | 2016-11-09 | 中广核检测技术有限公司 | Nuclear boiler heat-transfer pipe helium mass spectrum leak detection primary side purging system |
| CN112051080A (en) * | 2020-08-07 | 2020-12-08 | 福建福清核电有限公司 | Evaluation method for dew point measurement test of nuclear power station compressed air dryer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042510A (en) * | 2001-08-02 | 2003-02-13 | Corona Corp | Dehumidifier |
| CN201903137U (en) * | 2010-11-22 | 2011-07-20 | 泰豪科技股份有限公司 | Automatic dehumidifier for calculating dew-point temperature by adopting PLC (Programmable Logic Controller) |
| CN102220584A (en) * | 2011-04-01 | 2011-10-19 | 上海电气核电设备有限公司 | Dehumidifying and derusting technology used for hydraulic pressure test of evaporator |
| CN103884072A (en) * | 2012-12-19 | 2014-06-25 | 广东美的暖通设备有限公司 | Air-conditioner, indoor unit and condensation-proof control method of air-conditioner and indoor unit |
| CN104566784A (en) * | 2014-12-11 | 2015-04-29 | 广东美的制冷设备有限公司 | Control method and device for dehumidifier and dehumidifier |
-
2015
- 2015-05-20 CN CN201510259569.4A patent/CN105006257B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042510A (en) * | 2001-08-02 | 2003-02-13 | Corona Corp | Dehumidifier |
| CN201903137U (en) * | 2010-11-22 | 2011-07-20 | 泰豪科技股份有限公司 | Automatic dehumidifier for calculating dew-point temperature by adopting PLC (Programmable Logic Controller) |
| CN102220584A (en) * | 2011-04-01 | 2011-10-19 | 上海电气核电设备有限公司 | Dehumidifying and derusting technology used for hydraulic pressure test of evaporator |
| CN103884072A (en) * | 2012-12-19 | 2014-06-25 | 广东美的暖通设备有限公司 | Air-conditioner, indoor unit and condensation-proof control method of air-conditioner and indoor unit |
| CN104566784A (en) * | 2014-12-11 | 2015-04-29 | 广东美的制冷设备有限公司 | Control method and device for dehumidifier and dehumidifier |
Non-Patent Citations (1)
| Title |
|---|
| 杨圆明: "蒸汽发生器水压试验后干燥技术探讨", 《压力容器》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758593A (en) * | 2016-05-17 | 2016-07-13 | 中广核检测技术有限公司 | Helium mass spectrum leakage detection equipment for nuclear evaporator heat conduction pipe and quantitative positioning method |
| CN106017817A (en) * | 2016-05-17 | 2016-10-12 | 中广核检测技术有限公司 | Secondary side system for helium mass spectrum leakage detection equipment for heat-transfer pipe of nuclear steam generator |
| CN106017822A (en) * | 2016-05-17 | 2016-10-12 | 中广核检测技术有限公司 | Nuclear steam generator heat transfer tube helium mass spectrometer leak detection equipment leak rate quantification method |
| CN106092461A (en) * | 2016-05-17 | 2016-11-09 | 中广核检测技术有限公司 | Nuclear boiler heat-transfer pipe helium mass spectrum leak detection primary side purging system |
| CN105758593B (en) * | 2016-05-17 | 2018-05-29 | 中广核检测技术有限公司 | Method for positioning and detecting water leakage is quantified using nuclear boiler heat-transfer pipe helium mass spectrum leak detection equipment |
| CN106017822B (en) * | 2016-05-17 | 2019-04-23 | 中广核检测技术有限公司 | Nuclear boiler heat-transfer pipe helium mass spectrum leak detection equipment leak rate quantitative approach |
| CN106092461B (en) * | 2016-05-17 | 2019-04-26 | 中广核检测技术有限公司 | Nuclear boiler heat-transfer pipe helium mass spectrum leak detection primary side purge system |
| CN112051080A (en) * | 2020-08-07 | 2020-12-08 | 福建福清核电有限公司 | Evaluation method for dew point measurement test of nuclear power station compressed air dryer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105006257B (en) | 2018-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105006257A (en) | Drying device and method for secondary side of million-KW level pressurized water reactor nuclear power station evaporator | |
| CN103474121B (en) | Nuclear power station Spent Radioactive gas processing system | |
| CN103712756B (en) | A kind of quantitative leakage detection method of pressure system | |
| CN112164482B (en) | Comprehensive thermal hydraulic test device for containment | |
| CN108010592B (en) | Shrinkage ratio comprehensive test device for nuclear power station containment performance test and research | |
| CN207637503U (en) | Experimental rig for the passive guiding system of containment heat | |
| CN108181099A (en) | A kind of nuclear reactor pressurizer safety valve leak test by filling water system and its test method | |
| KR101557317B1 (en) | Condensation Heat Transfer test equipment | |
| CN105157923A (en) | Method for testing airtightness of containment vessel inlet and outlet isolating valve group | |
| CN109841289A (en) | Experimental rig for the passive guiding system of containment heat | |
| CN110033872A (en) | A kind of universal sodium cold rapid stack component monomer hydraulic experiment rack and its experimental method | |
| CN106052968B (en) | Nuclear boiler heat-transfer pipe helium mass spectrum leak detection equipment leak source localization method | |
| CN103728105B (en) | A kind of quantitative leak detecting device of pressure system | |
| KR102243864B1 (en) | Systems and methods for detecting a leaking fuel channel in a nuclear reactor | |
| CN205722815U (en) | A kind of device measuring valve tiny leakage rate | |
| CN203629754U (en) | A quantitative leakage detection apparatus for a pressure system | |
| CN106373623A (en) | Method for detecting leakage of reactor residual heat removal system for nuclear power station | |
| CN110388239A (en) | Nuclear power station separator system | |
| JP3758465B2 (en) | Condenser, power plant equipment, and operation method thereof | |
| CN115274148A (en) | Nuclear power plant containment tightness simulation test system | |
| KR101312255B1 (en) | Measurement device and method for steam flow | |
| CN109269830A (en) | The measurement method and system of Studies of PWR Vertical Steam Generator circulating ratio | |
| CN208268782U (en) | A kind of Generator Stator Cooling system and its hydrogen discharge | |
| CN206097932U (en) | Containment water spray test device | |
| CN104879737B (en) | Steam generator secondary side partition method in kilowatt pressurized water reactor nuclear power station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |