CN109839165A - Search gas method for implanting and device for test leakage amount in master control room - Google Patents
Search gas method for implanting and device for test leakage amount in master control room Download PDFInfo
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- CN109839165A CN109839165A CN201711226647.6A CN201711226647A CN109839165A CN 109839165 A CN109839165 A CN 109839165A CN 201711226647 A CN201711226647 A CN 201711226647A CN 109839165 A CN109839165 A CN 109839165A
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Abstract
The invention discloses a kind of search gas method for implanting and device for test leakage amount in master control room, are related to air purification field air measuring technical field.The injection device includes the main tracheae that the gas cylinder for being loaded with search gas, one end and the gas cylinder are connected and the bronchus that multiple one end are connected with the main tracheae other end, wherein the injection point interface for being equipped with mass flowmenter on each bronchus and being mounted on bronchial end；Compared with prior art, the advantageous effects that this programme has are as follows: this programme quantitatively steadily can inject nontoxic tasteless search gas to master-control room of nuclear power plant, then the total intake for acquiring master control room is calculated using concentration decline method or constant injection method by the variation characteristic of search gas, the filtering air capacity measured by similar approach or other methods is subtracted later, can be obtained into master-control room of nuclear power plant without filtering air capacity.
Description
Technical field
The present invention relates to air purification field air measuring technical field, and in particular to shows for test leakage amount in master control room
Track gas injection method and device.
Background technique
Master control room is key position of the operations staff to nuclear plant safety operation control in nuclear power plant, and Habitability has
Strict requirements, determine a key parameter can residing of master control room be without the measurement for crossing leakage quantity in air filtering, and it is accurate
Measuring and calculating needs quantitatively to inject search gas in space to be tested, then according to search gas without leakage quantity in air filtering is crossed
The variation behavior of concentration or gross mass calculates the interior leakage quantity for acquiring master control room using mass conservation law.In master-control room of nuclear power plant
When interior leakage quantity measures, need to carry out search gas test according to the constant injection method of ASTM E741 standard, but how to be tried
It tests, is tested using which kind of experimental rig, in standard and do not specified.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of for test leakage amount in master control room
Search gas method for implanting and device, using the method for implanting and device effectively can accurately realize the injection of search gas with
And the survey calculation without filtering air capacity.
To achieve the above object, The technical solution adopted by the invention is as follows:
For the search gas method for implanting of test leakage amount in master control room, search gas is quantified steadily be injected into it is to be measured
In the connected air inlet air hose in master control room space, it is ensured that search gas is sufficiently mixed with the air in blast pipe, while into
The search gas entered in fresh air blast pipe carries out measurement of concetration, acquires fresh-air volume using mass conservation law calculating, in addition exists
After being mixed with air uniformly in confirmation search gas master control room space to be measured, by the way of concentration decline method or constant injection method
The total intake acquired in master control room space to be measured is calculated, while new using the filtering of search gas measurement accident treatment unit
Air quantity finally subtracts measured filtering fresh air volume using the resulting total intake of survey calculation, can be obtained into sky to be measured
Between without filtering air capacity, this value be enter master-control room of nuclear power plant without filtering air capacity.
Further, the search gas is sulfur hexafluoride gas and other nontoxic tasteless gases.
Meanwhile the present invention also provides the injection dresses in a kind of search gas method for implanting for test leakage amount in master control room
It sets, technical solution are as follows: including being loaded with the gas cylinder of search gas, the main tracheae that one end is connected with the gas cylinder and multiple
The bronchus that one end is connected with the main tracheae other end, wherein being equipped with mass flowmenter and peace on each bronchus
Injection point interface on bronchial end.
Further, the needle-valve positioned at the mass flowmenter upstream end is additionally provided on each bronchus.
Further, pressure maintaining valve and flow stabilizing valve are sequentially installed on the main tracheae.
Further, the gas cylinder is multiple, and plurality of gas cylinder is connected by triple valve with the main tracheae.
Compared with prior art, the advantageous effects that this programme has are as follows: this programme whole device is reliable and stable, in work
It may insure to leak going on smoothly for testing experiment in master control room during making；Specifically, can be quantitatively steadily to nuclear power plant
Master control room injects nontoxic tasteless search gas, then utilizes concentration decline method or perseverance by the variation characteristic of search gas
Amount injection method calculates the total intake for acquiring master control room, subtracts cross air filtering by what similar approach or other methods measured later
Amount can be obtained into master-control room of nuclear power plant without filtering air capacity.
Detailed description of the invention
Fig. 1 is injection device principle schematic diagram in the present embodiment.
Description of symbols in figure:
1- gas cylinder, 2- triple valve, the main tracheae of 3-, 4- pressure maintaining valve, 5- flow stabilizing valve, 6- bronchus, 7- needle-valve, 8- mass flow
Meter, 9- inject point interface.
Specific embodiment
The present invention is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
For this programme for existing search gas injection means there are operator's large labor intensity, measuring result error is big
With a kind of search gas method for implanting and device for test leakage amount in master control room that be inaccurate, and proposing, using the injection and
Sampling method and device effectively can accurately realize the injection of search gas and the survey calculation without filtering air capacity.
It referring to figure 1, is the structure in the present embodiment for the search gas injection device of test leakage amount in master control room
Schematic diagram.(search gas can be preferentially using lithium including being loaded with search gas for search gas injection device in the present embodiment
Sulphur gas) the branch that is connected with main 3 other end of tracheae of gas cylinder 1, the main tracheae 3 that is connected of one end and gas cylinder 1 and multiple one end
Tracheae 6, wherein the injection point interface 9 for being equipped with mass flowmenter 8 on each bronchus 6 and being mounted on 6 end of bronchus.
In practice as needed (for example, if decanting point is more, the search gas amount needed is big), above-mentioned gas cylinder 1 can be multiple.When adopting
When with multiple gas cylinders 1, multiple gas cylinders 1 pass through the triple valve 2 being provided with and are connected with main tracheae 3.Equally, its quantity of bronchus 6
And it is needed and is corresponded to set according to actual field.To enable realizing tracer gas more accurately in the present embodiment
The quantitative input of body is additionally provided with the needle-valve 7 positioned at 8 upstream end of mass flowmenter on each bronchus 6.At work, pass through
Metering pin valve 7 can control the search gas input quantity size in bronchus 6.Equally, pressure stabilizing is sequentially installed on main tracheae 3
Valve 4 and flow stabilizing valve 5 can guarantee that search gas is more steadily input to blast pipe by the pressure maintaining valve 4 and flow stabilizing valve 5 of installation
It is interior.
When work, requires for corresponding 6 interface of bronchus to be linked into corresponding decanting point according to live actual tests, beat
Gas cylinder 1 is opened, corresponding valve is adjusted, so that the search gas in gas cylinder 1 is steadily injected into the blast pipe of system.It is right simultaneously
Measurement of concetration is carried out into the search gas in blast pipe, it is ensured that search gas is sufficiently mixed with the air in blast pipe,
Air in confirmation search gas and blast pipe continues subsequent measurement operation after mixing.
Meanwhile the present invention also provides a kind of search gas method for implanting for test leakage amount in master control room, technical solutions
To quantify search gas in the air inlet air hose for being steadily injected into and being connected with space to be measured in master control room, in entrance blast pipe
Search gas carry out measurement of concetration, it is ensured that search gas is sufficiently mixed with the air in blast pipe, confirming tracer gas
Air in body and blast pipe is calculated by the way of concentration decline method or constant injection method after mixing and acquires space to be measured
Interior total intake, while using the filtering fresh air volume of search gas measurement accident treatment unit, finally utilize survey calculation
Resulting total intake subtracts measured filtering fresh air volume, can be obtained into space to be measured without filtering air capacity, this value
As into master-control room of nuclear power plant without filtering air capacity.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technology
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. the search gas method for implanting for test leakage amount in master control room, it is characterised in that: quantify search gas and steadily infuse
Enter into the fresh air air inlet air hose being connected with master control room space to be measured, it is ensured that the air in search gas and blast pipe carries out abundant
Mixing, while measurement of concetration is carried out to the search gas entered in fresh air blast pipe, it is acquired using mass conservation law calculating new
Wind air quantity, in addition, after being mixed with air uniformly in confirmation search gas master control room space to be measured, using concentration decline method or perseverance
The mode of amount injection method calculates the total intake acquired in master control room space to be measured, while being measured at accident using search gas
The filtering fresh air volume of unit is managed, measured filtering fresh air volume is finally subtracted using the resulting total intake of survey calculation
Obtain into space to be measured without filtering air capacity, this value be enter master-control room of nuclear power plant without filtering air capacity.
2. the search gas method for implanting according to claim 1 for test leakage amount in master control room, it is characterised in that: described
Search gas is sulfur hexafluoride gas or other nontoxic tasteless gases.
3. the injection device for being used in master control room in the search gas method for implanting of test leakage amount as described in claim 1,
It is characterized by comprising be loaded with the gas cylinder of search gas, the main tracheae that one end is connected with the gas cylinder and multiple one end
The bronchus being connected with the main tracheae other end, wherein being equipped with mass flowmenter on each bronchus and being mounted on
Injection point interface on bronchial end.
4. the search gas injection device according to claim 3 for test leakage amount in master control room, it is characterised in that: each
The needle-valve positioned at the mass flowmenter upstream end is additionally provided on the bronchus.
5. the search gas injection device according to claim 3 or 4 for test leakage amount in master control room, it is characterised in that:
Pressure maintaining valve and flow stabilizing valve are sequentially installed on the main tracheae.
6. the search gas injection device according to claim 5 for test leakage amount in master control room, it is characterised in that: described
Gas cylinder be it is multiple, plurality of gas cylinder is connected by triple valve with the main tracheae.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226647.6A CN109839165B (en) | 2017-11-29 | 2017-11-29 | Trace gas injection method and device for master control indoor leakage measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226647.6A CN109839165B (en) | 2017-11-29 | 2017-11-29 | Trace gas injection method and device for master control indoor leakage measurement |
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| CN109839165A true CN109839165A (en) | 2019-06-04 |
| CN109839165B CN109839165B (en) | 2023-09-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681793A (en) * | 2020-04-14 | 2020-09-18 | 中国核电工程有限公司 | Nuclear power plant master control room leakage rate test simulation test device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050034533A1 (en) * | 2003-08-11 | 2005-02-17 | The Regents Of The University Of California | Tracer airflow measurement system (TRAMS) |
| CN104391135A (en) * | 2014-11-21 | 2015-03-04 | 上海市计量测试技术研究院 | Calibration device and calibration method for micro wind speed based on laser doppler |
| CN106568553A (en) * | 2016-11-04 | 2017-04-19 | 安徽理工大学 | Tracer-gas-volume-fraction-based integral measurement and calculation method for air leakage of working face behind support |
| CN106841661A (en) * | 2017-01-12 | 2017-06-13 | 中国科学院工程热物理研究所 | A kind of trace displaying particle generator |
| CN107132006A (en) * | 2016-02-26 | 2017-09-05 | 中国辐射防护研究院 | Leakage quantity measuring method in a kind of master control room |
-
2017
- 2017-11-29 CN CN201711226647.6A patent/CN109839165B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050034533A1 (en) * | 2003-08-11 | 2005-02-17 | The Regents Of The University Of California | Tracer airflow measurement system (TRAMS) |
| CN104391135A (en) * | 2014-11-21 | 2015-03-04 | 上海市计量测试技术研究院 | Calibration device and calibration method for micro wind speed based on laser doppler |
| CN107132006A (en) * | 2016-02-26 | 2017-09-05 | 中国辐射防护研究院 | Leakage quantity measuring method in a kind of master control room |
| CN106568553A (en) * | 2016-11-04 | 2017-04-19 | 安徽理工大学 | Tracer-gas-volume-fraction-based integral measurement and calculation method for air leakage of working face behind support |
| CN106841661A (en) * | 2017-01-12 | 2017-06-13 | 中国科学院工程热物理研究所 | A kind of trace displaying particle generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681793A (en) * | 2020-04-14 | 2020-09-18 | 中国核电工程有限公司 | Nuclear power plant master control room leakage rate test simulation test device and method |
| CN111681793B (en) * | 2020-04-14 | 2023-10-27 | 中国核电工程有限公司 | Nuclear power plant master control room leak rate test simulation test device and method |
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| CN109839165B (en) | 2023-09-19 |
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