CN107807145A - It is a kind of to detect UF without heat source type6The sensor of dielectric gas flow direction - Google Patents
It is a kind of to detect UF without heat source type6The sensor of dielectric gas flow direction Download PDFInfo
- Publication number
- CN107807145A CN107807145A CN201610814049.XA CN201610814049A CN107807145A CN 107807145 A CN107807145 A CN 107807145A CN 201610814049 A CN201610814049 A CN 201610814049A CN 107807145 A CN107807145 A CN 107807145A
- Authority
- CN
- China
- Prior art keywords
- sensor
- resistance
- bridge
- roll
- support
- 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
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention belongs to uranium isotope centrifugal process separation field, and in particular to a kind of to detect UF without heat source type6The sensor of dielectric gas flow direction, applied to uranium isotope centrifugal process separation process, measured medium UF6Gas.The device is made up of four parts：Part I is sensor sensing element part, and Part II is that signal amplifies and modulate circuit, Part III are sensor construction device, and Part IV is sensor power supply and signal output interface.On the one hand detection UF can be improved by the device6The reliability and stability of gas medium flow direction sensor；On the other hand, many deficiencies of original heat source type sensor are avoided, fill up technological gap of the China in the field, preferably cascading Design of Production Line for later newly-built centrifugation provides technical basis.
Description
Technical field
The invention belongs to uranium isotope centrifugal process separation field, belongs to centrifuging process cascade process medium UF6Gas flow
Detection sensor technology category, while it is related to the field such as uranium isotope centrifugal process separation process automatic detection and control
Advanced technology.
Background technology
Late nineteen nineties in last century, China have introduced the technology and production line of centrifugal process production nuclear fuel from Russia, when
Main equipment (subcritical gas centrifuge) and auxiliary corollary equipment needed for 500 tons/year of work of separation large-scale production lines of Shi Yinjin
(electrically, automatic control etc.).The country has had been introduced by fourth phase centrifugation production line at present, and total production scale reaches the 1500 tons of work of separation/years,
Equipment, the method for operation of whole introduction of production line.In centrifugation cascade process system, change is flowed to process gas and is monitored guarantor
The sensor of shield is the type processing medium UF of П Р 4 from Russian import6Gas flow detection sensor.With China it is domestic from
The construction of heart engineering, the development and Application of related corollary equipment, such sensor applied in domestic centrifugal separation process is imitated
The Russian types of П Р 4, have belonged to heat source type detection sensor.These sensors easily produce sensor in application process
Fluctuation of service, internal heating element and sensitive silk element are because of UF6The corrosion of gas and it is fragile, that output produces drift etc. is existing
As.When failure needs to change, it is necessary to which interrupt unit process operation process, new sensor carry out 8 again after installing
The work such as the vacuum leakage detecting of hour, it is larger to normal Influence of production.
There is heat source type sensor due to disadvantages mentioned above be present, it is impossible to operation steady in a long-term, and also do not have in China at present
Other like products that can be replaced.To meet that the supporting needs of domestic centrifugation uranium enrichment engineering construction and solution equipment made in Russia are standby
The problem of product, on the basis of precursor gas flows to protection sensor production domesticization research, development and design one kind is needed badly without heat source type
Detection sensor, and then the sensor is applied in the engineerings of 504C- II, to ensure stable and reliable operation.
The content of the invention
It is a kind of without heat source type detection UF6 dielectric gas flow directions the technical problem to be solved in the present invention is to provide centrifugal stage combination
Sensor, so as on the one hand improve detection UF6The reliability and stability of gas medium flow direction sensor；On the other hand, keep away
Exempt from many deficiencies of original heat source type sensor, fill up technological gap of the China in the field, preferably for later it is newly-built from
The design of heart Series Production Lines provides technical basis.
In order to realize this purpose, the present invention adopts the technical scheme that：
It is a kind of to detect UF without heat source type6The sensor of dielectric gas flow direction, applied to uranium isotope centrifugal process separating technology
Process, measured medium UF6Gas, it is made up of four parts：
Part I is sensor sensing element part, and its principle is heat-conducted measurement；Sensitive silk element is by four metals
Silk composition, is placed in UF6In gas, using its resistance variation with temperature characteristic, by UF6The change of gas direction is converted to resistance
The change of value, using unbalanced bridge principle, the change of sensing element resistance is converted into the change of voltage, is handled, is defeated
Go out；
Sensitive silk element is wrapped on the support including two stent struts in left and right, and welding roll is fixed in the upper end of support
One, lower end sets roll two, is parallel to each other between roll one and roll two；The lower end difference of stent strut left and right two
Support gain is opened up, left side spring and right side spring are set respectively on the top of support gain, and roll two is in support gain
Slide up and down；After wire is wound on roll one with roll two, by the left side spring and right side spring in support gain
Roll two is supported, control wire is in tight state all the time；
Four bridge wall resistance R1~R4 of above-mentioned four one metal wires composition unbalanced bridge；Sensitive silk branch before being respectively wound around
The roll one of frame with roll two and two wires being parallel to each other respectively constitute arm resistance R1, arm resistance
R3, positioned at the working chamber of unbalanced bridge；Be respectively wound around the roll one of rear sensitive silk support with roll two and phase
Mutually two parallel wires respectively constitute arm resistance R2, arm resistance R4, positioned at the comparison chamber of unbalanced bridge；Two groups of electricity
The output signal of bridge exports corresponding electric signal after being compared；Zero potentiometer R5 is located at the external electrical of unbalanced bridge
Road；
Sensor is in use, sensitive silk element inserts in UF6In pipeline where medium, directly contacted with measured medium；When
For medium flow field to when changing, the choked flow piece in sensor makes electric bridge bridge arm be in different flow fields in process pipe, different
Flowfield fluid takes away sensitive component surfaces heat difference, and arm resistance resistance can change, so as to change the electrical parameter of bridge
Output；
Work as UF6UF in pipeline where medium6When air-flow passes through sensor by forward direction, resistance R1, R3 are in the upper of air-flow
Trip, R2, R4 are in airflow downstream, and R1, R3 radiating condition are better than R2, R4 so that electric bridge bridge arm resistance R2R4 ＞ R1R3,
The output of bridge is negative signal；
Work as UF6The UF of pipeline where medium6Airflow direction changes, when there is accident direction air-flow, sensor bridge
Resistance R1, R3 are in the downstream of air-flow in circuit, and R2, R4 are in air-flow upstream, and R2, R4 radiating condition are better than R1, R3 so that
Electric bridge bridge arm resistance R2R4 ＜ R1R3, the output of bridge is positive signal；
Part II is that signal amplifies and modulate circuit, by the circuit by the zeroing current potential of sensor sensing element part
The mv magnitude voltage signals of device R5 outputs are amplified, and -5V~+5V standard signal are converted to, to be matched with external control system；
Part III is sensor construction device, and the device includes two rooms and formed, and one is insertion UF6It is quick in medium
Sensing unit room, placement Part I are sensor sensing element part, and the sheath selected by the room is resistance to UF6The metal of corrosion
Material；Another room is that signal amplification circuit is close, places the amplification of Part II signal and modulate circuit, is arranged on UF6Medium institute
Pipeline external；
Part IV be sensor power and signal output interface, the Interface design be electric connector form, specially 4
Core aviation socket, wherein two cores are direct current supply, another two core is signal output.
Further, it is as described above a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, sensor sensing
Sensitive silk element is formed by the square nickel wire coiling that four thickness are 0.01mm in element part.
Further, it is as described above a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, sensor sensing
Element part, air dam skirt is set in front of preceding sensitive silk support, and air dam skirt includes filter screen and air dam skirt peripheral frame, by preceding
Choke plate filtered airflow, air velocity is reduced, protect sensitive resistance silk；Between context sensitive silk support and rear sensitive silk branch
Position sets center-aisle peripheral frame and rear passage peripheral frame respectively at two behind frame, and control passes through in the air flow collection of preceding sensitive silk support
By rear sensitive silk support, stop the interference of side airflow.
Further, it is as described above a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, Part III pass
The sheath material of sensing element room is nickel alloy in sensor structure devices.
Further, it is as described above a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, Part III are
In sensor construction device, sealed off between sensing element room and signal amplification circuit, forbid UF6Gas leaks.
Further, it is as described above a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, sensor sensing
Sensitive silk element is formed by the square nickel wire coiling that four thickness are 0.01mm in element part；Set in front of preceding sensitive silk support
Air dam skirt is put, air dam skirt includes filter screen and air dam skirt peripheral frame, by air dam skirt filtered airflow, reduces air velocity,
Protect sensitive resistance silk；Position is set middle logical respectively between context sensitive silk support and two behind rear sensitive silk support
Road peripheral frame and rear passage peripheral frame, control are concentrated through rear sensitive silk support by the air-flow of preceding sensitive silk support, stop side gas
The interference of stream；
The sheath material of sensing element room is nickel alloy in Part III sensor construction device；Sensing element room and signal
Sealed off between amplifying circuit, forbid UF6Gas leaks.
Technical solution of the present invention with it is existing have heat source type sensor technology compared with beneficial effect be：
(1) application of the inventive technique, the blank of domestic similar technique has been filled up；
(2) make centrifugation cascade processing medium flow detection more accurate, reliable, the anti-UF of sensing element6Corrode stronger.
(3) reliable theoretical foundation is provided for separation production line automatic control system design later；
(4) technical support is provided for the more perfect main fabrication evaluation control system configuration software of development function.
The economic benefit of this invention includes two parts, and Part I is due to the raising of sensor reliability, it is possible to reduce
Some processes section interrupts separation process because changing fault sensor, work of separation loss is reduced, so as to reduce economic damage
Lose；Part II can reduce due to using no heat source type sensor, sensor cost instead, with 1000 tons of work of separation scale
Engineering calculation, save about 700,000 yuan of construction investment.In addition, the externally fed of the sensor is reduced because of operating current, can be with
The capacity of DC power supply is reduced, so as to investment reduction and energy-conservation etc., there is preferable economic benefit.
Brief description of the drawings
Fig. 1 is heat-conducted measuring circuit schematic diagram.
Fig. 2 is sensor sensing element relative position schematic diagram.
Fig. 3 is sensitive filament winding schematic diagram.
Fig. 4 is that sensitive silk supports tension structure figure.
In figure：Bridge 1 wall resistance R1, Bridge 2 wall resistance R2,3 bridge wall resistance R3,4 bridge wall resistance R4,5 filter screens, 6 air dam skirts
Passage peripheral frame, 9 rolls one, 10 rolls two, 11 left side springs, 12 right side springs behind peripheral frame, 7 center-aisle peripheral frames, 8.
Embodiment
Technical solution of the present invention is further elaborated below by the drawings and specific embodiments.
As shown in figure 1, the present invention is a kind of to detect UF without heat source type6The sensor of dielectric gas flow direction, applied to uranium isotope
Plain centrifugal process separation process, measured medium UF6Gas, it is characterised in that be made up of four parts：
Part I is sensor sensing element part, and its principle is heat-conducted measurement；Sensitive silk element is by four thickness
For 0.01mm square nickel wire around composition, be placed in UF6In gas, using its resistance variation with temperature characteristic, by UF6Gas side
To change be converted to the change of resistance value, using unbalanced bridge principle, the change of sensing element resistance is converted into voltage
Change, handled, exported；
Sensitive silk element is wrapped on the support including two stent struts in left and right, and welding roll is fixed in the upper end of support
One, lower end sets roll two, is parallel to each other between roll one and roll two；The lower end difference of stent strut left and right two
Support gain is opened up, left side spring and right side spring are set respectively on the top of support gain, and roll two is in support gain
Slide up and down；After wire is wound on roll one with roll two, by the left side spring and right side spring in support gain
Roll two is supported, control wire is in tight state all the time；
Four bridge wall resistance R1~R4 of above-mentioned four one metal wires composition unbalanced bridge；Sensitive silk branch before being respectively wound around
The roll one of frame with roll two and two wires being parallel to each other respectively constitute arm resistance R1, arm resistance
R3, positioned at the working chamber of unbalanced bridge；Be respectively wound around the roll one of rear sensitive silk support with roll two and phase
Mutually two parallel wires respectively constitute arm resistance R2, arm resistance R4, positioned at the comparison chamber of unbalanced bridge；Two groups of electricity
The output signal of bridge exports corresponding electric signal after being compared；Zero potentiometer R5 is located at the external electrical of unbalanced bridge
Road；
Sensor sensing element part, sets air dam skirt in front of preceding sensitive silk support, air dam skirt include filter screen and
Air dam skirt peripheral frame, by air dam skirt filtered airflow, air velocity is reduced, protects sensitive resistance silk；In context sensitive silk branch
Before position sets center-aisle peripheral frame and rear passage peripheral frame, control to pass through respectively between frame and two behind rear sensitive silk support
The air-flow of sensitive silk support is concentrated through rear sensitive silk support, stops the interference of side airflow.
Sensor is in use, sensitive silk element inserts in UF6In pipeline where medium, directly contacted with measured medium；When
For medium flow field to when changing, the choked flow piece in sensor makes electric bridge bridge arm be in different flow fields in process pipe, different
Flowfield fluid takes away sensitive component surfaces heat difference, and arm resistance resistance can change, so as to change the electrical parameter of bridge
Output；
Work as UF6UF in pipeline where medium6When air-flow passes through sensor by forward direction, resistance R1, R3 are in the upper of air-flow
Trip, R2, R4 are in airflow downstream, and R1, R3 radiating condition are better than R2, R4 so that electric bridge bridge arm resistance R2R4 ＞ R1R3,
The output of bridge is negative signal；
Work as UF6The UF of pipeline where medium6Airflow direction changes, when there is accident direction air-flow, sensor bridge
Resistance R1, R3 are in the downstream of air-flow in circuit, and R2, R4 are in air-flow upstream, and R2, R4 radiating condition are better than R1, R3 so that
Electric bridge bridge arm resistance R2R4 ＜ R1R3, the output of bridge is positive signal；
Part II is that signal amplifies and modulate circuit, by the circuit by the zeroing current potential of sensor sensing element part
The mv magnitude voltage signals of device R5 outputs are amplified, and -5V~+5V standard signal are converted to, to be matched with external control system；
Part III is sensor construction device, and the device includes two rooms and formed, and one is insertion UF6It is quick in medium
Sensing unit room, placement Part I are sensor sensing element part, and the sheath selected by the room is resistance to UF6The metal of corrosion
Material, sheath material is nickel alloy in the present embodiment；Another room is that signal amplification circuit is close, places Part II signal and puts
Big and modulate circuit, is arranged on UF6Pipeline external where medium；Between sensing element room and signal amplification circuit sealing every
From forbidding UF6Gas leaks.
Part IV be sensor power and signal output interface, the Interface design be electric connector form, specially 4
Core aviation socket, wherein two cores are direct current supply, another two core is signal output.
1 error testing
Sensor error test data is shown in Table 1~table 3.
Table 11#Sensor error is tested
Table 2#Sensor error is tested
Table 3#Sensor error is tested
As a result show：Error is respectively less than 20%, can meet the requirement of technical process accident protection.
2 ranges are tested
Sensor crosses range test data and is shown in Table 4~6.
Table 41#Sensor crosses range test
Table 52#Sensor crosses range test
Table 63#Sensor crosses range test
As a result show：Range can meet the requirement of technical process accident protection.
3 mains voltage variations influence test
Probe power voltage variations affect test data is shown in Table 7~table 9.
Table 71#Probe power voltage variations affect is tested
Table 82#Probe power voltage variations affect is tested
Table 93#Probe power voltage variations affect is tested
As a result：Test shows：In the case of mains voltage variations 15V ± 2V, the change of sensor output is less than full dose
The 6% of journey.Technological requirement can be met.
(4) when the air-flow absolute pressure value for being prohibited (accident) direction increases to 1.6kPa (close to processing medium stream from 0
Metric density is from 0mg.cm-2s-1Increase to 5mg.cm-2s-1) when, the time that sensor output voltage rises to 2.4V from 0mV does not surpass
Cross 4s.It can meet that protection requires
(6) static measurement, sensor internal resistance are (30 ± 5) ohm, when supply voltage is rated value (+15V), sensor
Required supply current is not more than 180mA.
The invention fundamentally changes the measurement side for the Russian or imitated similar detection sensor of the Russian side continued to use always
Formula, there is novelty, filled up the blank of similar technique, the problems and not for solving former detection sensor (having heat source type)
Foot, the accuracy and reliability of detection are not only increased, and with economic and social benefit well, as later production is advised
The continuous expansion of mould, nuclear fuel building of production line project are on the increase, and the economic benefit that the invention is created will be more considerable.
Claims (6)
1. a kind of detect UF without heat source type6The sensor of dielectric gas flow direction, applied to uranium isotope centrifugal process separating technology mistake
Journey, measured medium UF6Gas, it is characterised in that be made up of four parts：
Part I is sensor sensing element part, and its principle is heat-conducted measurement；Sensitive silk element is by four one metal wire groups
Into being placed in UF6In gas, using its resistance variation with temperature characteristic, by UF6The change of gas direction is converted to resistance value
Change, using unbalanced bridge principle, is converted to the change of voltage by the change of sensing element resistance, is handled, exported；
Sensitive silk element is wrapped on the support including two stent struts in left and right, and welding roll one is fixed in the upper end of support, under
End sets roll two, is parallel to each other between roll one and roll two；In left and right, the lower end of two stent struts opens up respectively
Support gain, sets left side spring and right side spring on the top of support gain respectively, roll two in support gain up and down
Slide；After wire is wound on roll one with roll two, by the left side spring and right side spring supporting in support gain
Roll two, control wire are in tight state all the time；
Four bridge wall resistance R1~R4 of above-mentioned four one metal wires composition unbalanced bridge；Sensitive silk support before being respectively wound around
On roll one and roll two and two wires being parallel to each other respectively constitute arm resistance R1, arm resistance R3, position
In the working chamber of unbalanced bridge；It is respectively wound around the roll one of rear sensitive silk support and on roll two and is parallel to each other
Two wires respectively constitute arm resistance R2, arm resistance R4, positioned at the comparison chamber of unbalanced bridge；Two groups of electric bridges it is defeated
Go out after signal is compared and export corresponding electric signal；Zero potentiometer R5 is located at the external circuit of unbalanced bridge；
Sensor is in use, sensitive silk element inserts in UF6In pipeline where medium, directly contacted with measured medium；Work as process duct
For medium flow field to when changing, the choked flow piece in sensor makes electric bridge bridge arm be in different flow fields in road, different flow field streams
Body takes away sensitive component surfaces heat difference, and arm resistance resistance can change, so as to change the output of the electrical parameter of bridge；
Work as UF6UF in pipeline where medium6When air-flow passes through sensor by forward direction, resistance R1, R3 are in the upstream of air-flow, R2,
R4 is in airflow downstream, and R1, R3 radiating condition are better than R2, R4 so that electric bridge bridge arm resistance R2R4 ＞ R1R3, bridge
Export as negative signal；
Work as UF6The UF of pipeline where medium6Airflow direction changes, when there is accident direction air-flow, sensor bridge circuit
Middle resistance R1, R3 are in the downstream of air-flow, and R2, R4 are in air-flow upstream, and R2, R4 radiating condition are better than R1, R3 so that electric bridge
Bridge arm resistance R2R4 ＜ R1R3, the output of bridge is positive signal；
Part II is that signal amplifies and modulate circuit, by the circuit by the zero potentiometer R5 of sensor sensing element part
The mv magnitude voltage signals of output are amplified, and are converted to -5V~+5V standard signal, to be matched with external control system；
Part III is sensor construction device, and the device includes two rooms and formed, and one is insertion UF6Sensitivity member in medium
Part room, placement Part I are sensor sensing element part, and the sheath selected by the room is resistance to UF6The metal material of corrosion
Material；Another room is that signal amplification circuit is close, places the amplification of Part II signal and modulate circuit, is arranged on UF6Where medium
Pipeline external；
Part IV is that sensor is powered and signal output interface, the Interface design are the form of electric connector, and specially 4 cores navigate
Dummy receptacle, wherein two cores are direct current supply, another two core is signal output.
It is 2. as claimed in claim 1 a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, it is characterised in that：Sensing
Sensitive silk element is formed by the square nickel wire coiling that four thickness are 0.01mm in device sensing element part.
It is 3. as claimed in claim 1 a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, it is characterised in that：Sensing
Device sensing element part, air dam skirt is set in front of preceding sensitive silk support, air dam skirt includes filter screen and air dam skirt peripheral frame,
By air dam skirt filtered airflow, air velocity is reduced, protects sensitive resistance silk；It is between context sensitive silk support and rear quick
Position sets center-aisle peripheral frame and rear passage peripheral frame, the gas that control passes through preceding sensitive silk support respectively at two behind sense silk support
Stream is concentrated through rear sensitive silk support, stops the interference of side airflow.
It is 4. as claimed in claim 1 a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, it is characterised in that：3rd
The sheath material of sensing element room is nickel alloy in operative sensor structure devices.
It is 5. as claimed in claim 1 a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, it is characterised in that：3rd
Part is in sensor construction device, is sealed off between sensing element room and signal amplification circuit, forbids UF6Gas leaks.
It is 6. as claimed in claim 1 a kind of without heat source type detection UF6The sensor of dielectric gas flow direction, it is characterised in that：Sensing
Sensitive silk element is formed by the square nickel wire coiling that four thickness are 0.01mm in device sensing element part；In preceding sensitive silk support
Front sets air dam skirt, and air dam skirt includes filter screen and air dam skirt peripheral frame, by air dam skirt filtered airflow, reduces air-flow
Speed, protect sensitive resistance silk；Position is set respectively between context sensitive silk support and two behind rear sensitive silk support
Center-aisle peripheral frame and rear passage peripheral frame, control are concentrated through rear sensitive silk support by the air-flow of preceding sensitive silk support, stop
The interference of side airflow；
The sheath material of sensing element room is nickel alloy in Part III sensor construction device；Amplify with signal sensing element room
Sealed off between circuit, forbid UF6Gas leaks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814049.XA CN107807145B (en) | 2016-09-09 | 2016-09-09 | No heat source type detects UF6Sensor for medium gas flow direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814049.XA CN107807145B (en) | 2016-09-09 | 2016-09-09 | No heat source type detects UF6Sensor for medium gas flow direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107807145A true CN107807145A (en) | 2018-03-16 |
| CN107807145B CN107807145B (en) | 2020-01-07 |
Family
ID=61569642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610814049.XA Active CN107807145B (en) | 2016-09-09 | 2016-09-09 | No heat source type detects UF6Sensor for medium gas flow direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107807145B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474022A (en) * | 1967-09-14 | 1969-10-21 | Atomic Energy Commission | Alarm system for uf6 in air |
| JPS5156798A (en) * | 1974-11-15 | 1976-05-18 | Hitachi Ltd | ROKUFUTSUKAGASUJUNDOSOKUTEIHOHO OYOBI SOCHI |
| DE2162704A1 (en) * | 1971-12-17 | 1976-06-24 | Dornier Gmbh | Determn of isotope ratio in gaseous, heavy-metal cpds - for supervision of isotope-enrichment processes |
| US4255968A (en) * | 1979-06-08 | 1981-03-17 | Intek, Inc. | Flow indicator |
| US4535241A (en) * | 1981-04-13 | 1985-08-13 | Australian Atomic Energy Commission | Measuring the concentration of gaseous hydrogen fluoride |
| EP0583195A1 (en) * | 1992-08-11 | 1994-02-16 | Michel Iscla | Alarm signal elaboration device |
| CN2306503Y (en) * | 1997-08-05 | 1999-02-03 | 中山大学 | Detector for gas leakage |
| CN201083708Y (en) * | 2007-07-16 | 2008-07-09 | 深圳市特安电子有限公司 | Gas detection device |
| CN101285777A (en) * | 2008-05-13 | 2008-10-15 | 甘肃农业大学 | Method for simultaneous determination for Mo, Ti and W element of uranic fluoride |
| CN201590181U (en) * | 2009-09-14 | 2010-09-22 | 清华大学 | Self-adapting controllable constant-temperature heat source |
| CN102252700A (en) * | 2011-04-29 | 2011-11-23 | 中北大学 | Micro-cantilever beam piezoresistive bridge type sensor detecting instrument |
| CN202066806U (en) * | 2011-03-04 | 2011-12-07 | 中国原子能科学研究院 | Measuring container of UF6 gas uranium abundance online monitoring device |
| CN102478415A (en) * | 2010-11-29 | 2012-05-30 | 中核建中核燃料元件有限公司 | Uranium hexafluoride online monitoring method |
| CN103398807A (en) * | 2013-08-12 | 2013-11-20 | 中交第一公路工程局有限公司土木技术研究院 | Novel three dimensional stress measuring sensor |
| CN103586373A (en) * | 2012-08-14 | 2014-02-19 | 刘云德 | Metal wire spiral column filter screen production line |
| CN103728648A (en) * | 2013-12-18 | 2014-04-16 | 中国原子能科学研究院 | Method and equipment for determining background of uranium hexafluoride gas uranium abundance measuring device |
| CN103763835A (en) * | 2014-01-24 | 2014-04-30 | 江苏宁克传感器科技有限公司 | Large-scale lamp control system and control method thereof |
| CN104716952A (en) * | 2013-12-16 | 2015-06-17 | 中核兰州铀浓缩有限公司 | External equivalent device used after electric bridge of countercurrent sensor breaks and equivalent regeneration method |
| CN105371976A (en) * | 2014-08-20 | 2016-03-02 | 哈尔滨理大晟源科技开发有限公司 | Thermal resistance temperature measuring device and temperature measuring method |
| CN105554989A (en) * | 2016-01-29 | 2016-05-04 | 四川长虹电器股份有限公司 | Intelligent light control device and method |
| CN105675660A (en) * | 2016-04-29 | 2016-06-15 | 国网上海市电力公司 | Bridge compensating circuit of insulating gas feature sensor |
-
2016
- 2016-09-09 CN CN201610814049.XA patent/CN107807145B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474022A (en) * | 1967-09-14 | 1969-10-21 | Atomic Energy Commission | Alarm system for uf6 in air |
| DE2162704A1 (en) * | 1971-12-17 | 1976-06-24 | Dornier Gmbh | Determn of isotope ratio in gaseous, heavy-metal cpds - for supervision of isotope-enrichment processes |
| JPS5156798A (en) * | 1974-11-15 | 1976-05-18 | Hitachi Ltd | ROKUFUTSUKAGASUJUNDOSOKUTEIHOHO OYOBI SOCHI |
| US4255968A (en) * | 1979-06-08 | 1981-03-17 | Intek, Inc. | Flow indicator |
| US4535241A (en) * | 1981-04-13 | 1985-08-13 | Australian Atomic Energy Commission | Measuring the concentration of gaseous hydrogen fluoride |
| EP0583195A1 (en) * | 1992-08-11 | 1994-02-16 | Michel Iscla | Alarm signal elaboration device |
| CN2306503Y (en) * | 1997-08-05 | 1999-02-03 | 中山大学 | Detector for gas leakage |
| CN201083708Y (en) * | 2007-07-16 | 2008-07-09 | 深圳市特安电子有限公司 | Gas detection device |
| CN101285777A (en) * | 2008-05-13 | 2008-10-15 | 甘肃农业大学 | Method for simultaneous determination for Mo, Ti and W element of uranic fluoride |
| CN201590181U (en) * | 2009-09-14 | 2010-09-22 | 清华大学 | Self-adapting controllable constant-temperature heat source |
| CN102478415A (en) * | 2010-11-29 | 2012-05-30 | 中核建中核燃料元件有限公司 | Uranium hexafluoride online monitoring method |
| CN202066806U (en) * | 2011-03-04 | 2011-12-07 | 中国原子能科学研究院 | Measuring container of UF6 gas uranium abundance online monitoring device |
| CN102252700A (en) * | 2011-04-29 | 2011-11-23 | 中北大学 | Micro-cantilever beam piezoresistive bridge type sensor detecting instrument |
| CN103586373A (en) * | 2012-08-14 | 2014-02-19 | 刘云德 | Metal wire spiral column filter screen production line |
| CN103398807A (en) * | 2013-08-12 | 2013-11-20 | 中交第一公路工程局有限公司土木技术研究院 | Novel three dimensional stress measuring sensor |
| CN104716952A (en) * | 2013-12-16 | 2015-06-17 | 中核兰州铀浓缩有限公司 | External equivalent device used after electric bridge of countercurrent sensor breaks and equivalent regeneration method |
| CN103728648A (en) * | 2013-12-18 | 2014-04-16 | 中国原子能科学研究院 | Method and equipment for determining background of uranium hexafluoride gas uranium abundance measuring device |
| CN103763835A (en) * | 2014-01-24 | 2014-04-30 | 江苏宁克传感器科技有限公司 | Large-scale lamp control system and control method thereof |
| CN105371976A (en) * | 2014-08-20 | 2016-03-02 | 哈尔滨理大晟源科技开发有限公司 | Thermal resistance temperature measuring device and temperature measuring method |
| CN105554989A (en) * | 2016-01-29 | 2016-05-04 | 四川长虹电器股份有限公司 | Intelligent light control device and method |
| CN105675660A (en) * | 2016-04-29 | 2016-06-15 | 国网上海市电力公司 | Bridge compensating circuit of insulating gas feature sensor |
Non-Patent Citations (4)
| Title |
|---|
| JORDAN D V 等: ""Automated UF6 Cylinder Enrichment Assay: Status of the Hybrid Enrichment Verification Array (HEVA) Project: POTAS Phase II"", 《OFFICE OF SCIENTIFIC & TECHNICAL INFORMATION TECHNICAL REPORTS》 * |
| LU XUE-SHENG 等: "Development of On-line Monitoring Prototype for Enrichment of Gaseous UF6", 《中国原子能科学研究院年报：英文版》 * |
| PRELAS M A 等: ""Diamond photovoltaic cells as a first-wall material and energy conversion system for inertial confinement fusion"", 《LASER & PARTICLE BEAMS》 * |
| 吕学升 等: "铀浓缩厂铀丰度在线监测装置研制", 《原子能科学技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107807145B (en) | 2020-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105091731B (en) | The axial deviation sensitive grid interdigitated metal foil gauge of the axial local derviation of measurable surface strain | |
| CN109374071B (en) | Capacitance gas-solid two-phase flow measuring device and method | |
| CN104569481B (en) | Buchholz relay oil stream flow velocity acquisition system and grave gas setting valve method of calibration | |
| CN102998233A (en) | Device and method suitable for online testing of particulate matters in high-pressure gas pipeline | |
| CN106556730A (en) | Current sensor and the measurement apparatus comprising the current sensor | |
| CN203414381U (en) | Device for detecting differential pressure density of dense medium suspension liquid on line | |
| CN107807145A (en) | It is a kind of to detect UF without heat source type6The sensor of dielectric gas flow direction | |
| CN205120638U (en) | Gaseous humidity detection device of sulfur hexafluoride | |
| CN205958070U (en) | Capacitanc level sensor based on ECT | |
| CN203011801U (en) | Online detection device applicable to particulate matters in high-pressure gas pipeline | |
| CN103852594A (en) | Wind speed measurement monitoring apparatus of biohazard safety equipment | |
| CN208567992U (en) | A kind of inserted electromagnet flow meter | |
| CN206002428U (en) | Flue gas detecting system | |
| CN108061631B (en) | Test method for measuring leakage of grate seal structure | |
| CN206479238U (en) | The fast calibration device of nuclear power station fire alarm system hydrogen gas detector | |
| TWM589276U (en) | A clean room | |
| CN115656787A (en) | Testing device and method for PCBA with negative pressure sensor and infrared sensor | |
| CN108931664A (en) | First air on-line parameter measuring system and measurement method | |
| CN204288023U (en) | Be applied to multiple air-flow supervising devices of Biohazard Safety Equipment | |
| CN207730406U (en) | A kind of device for detecting air tightness of pipeline | |
| CN207751547U (en) | A kind of glass rotameter with auto-alarm function | |
| CN206756405U (en) | A kind of detection of gas flow rate device | |
| CN107702950A (en) | A kind of iodine sampler and its method of work | |
| CN107990948A (en) | A kind of signal processing system including electromagnetic flowmeter | |
| CN204064313U (en) | Gas circuit damping filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Guodong Inventor after: Yang Chunlin Inventor after: Kong Yingbin Inventor after: Duan Dongquan Inventor after: Zhu Dewen Inventor before: Han Guodong Inventor before: Zhu Dewen Inventor before: Kong Yingbin Inventor before: Duan Dongquan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220309 Address after: 730065 Xin'an Road, Xigu District, Lanzhou City, Gansu Province Patentee after: Gansu Lanhe Electric Control Co.,Ltd. Address before: 730065 No.1 Xin'an Road, Xigu District, Lanzhou City, Gansu Province Patentee before: CNNC LANZHOU URANIUM ENRICHMENT CO.,LTD. |