CN106054232A - Water monitor - Google Patents
Water monitor Download PDFInfo
- Publication number
- CN106054232A CN106054232A CN201610134325.8A CN201610134325A CN106054232A CN 106054232 A CN106054232 A CN 106054232A CN 201610134325 A CN201610134325 A CN 201610134325A CN 106054232 A CN106054232 A CN 106054232A
- Authority
- CN
- China
- Prior art keywords
- water
- resettlement section
- pipe
- rinse water
- stream
- 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
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
Abstract
The invention relates to a water monitor which can easily remove radioactive matters attached to flow channels such as pipes, and can reduce radiation cost. The water monitor (10) includes: a pipe (11) which forms a space (S) for introducing flowing water to be tested in a radioactive ray treatment facility (100); a radioactive ray detection device (22) which detect radioactive rays in the water to be tested in the space; and a holding portion (21) which is arranged in a flow channel and holds the radioactive ray detection device. The pipe is provided with a cleaning device (20) which can emit clean water to clean a zone contacting the water to be tested, of the holding portion. The cleaning device is disposed in a clamp portion (25) between the pipe and the holding portion.
Description
Technical field
The present invention relates to a kind of water monitor lonizing radiation in determined water can being measured.
Background technology
In the past, in atomic power station etc. processes the lonizing radiation treatment facility of radioactive substance, lonizing radiation,
From the viewpoint of viability, safety, cooling water, draining are carried out lonizing radiation as determined water
Mensuration.As carrying out the device of this mensuration, the such as water monitor disclosed in known patent document 1.
The water monitor of patent documentation 1 is configured to arrange lonizing radiation inspection in the container being imported into the water measuring object
Survey device.Container includes case and lid, and the inner surface at this case and lid is formed by gel coat (gel coat) shape
The internal layer become.The surface of internal layer is smooth even surface, prevents having radioactive material and is attached to hold
In device.
Patent documentation 1: Japanese Unexamined Patent Publication 2004-170184 publication
Summary of the invention
The problem that invention is to be solved
But, even patent documentation 1, according to having the difference of radioactive material, there is radioactivity
Material also can be attached to the internal layer of container.Accordingly, there exist following problem: there is radioactive material
Also residue in the internal layer around radiation detector, cause on radiation background (radiation background)
Rise.Additionally, there are following problem: in order to clean be attached in container there is radioactive material,
The operation carrying out being taken off from case by lid, the operation labour force spent, temporal burden is needed to become big.
The present invention is to complete in view of described problem, it is therefore intended that provide one to be readily removable
Be attached in stream has radioactive material to reduce the water monitor of radiation background.
For solving the scheme of problem
The water monitor of the present invention is characterised by possessing: stream, and it is formed for importing at lonizing radiation
The space of the determined water of flowing in treatment facility；Radiation detecting apparatus, it is to the quilt in described space
The lonizing radiation measured in water detect；Resettlement section, it is arranged at described stream to house described lonizing radiation
Detection device；And cleaning device, it sprays rinse water contacting with determined water described resettlement section
Region be carried out.
According to this structure, utilize rinse water to clean the resettlement section housing radiation detecting apparatus, therefore can
Enough prevent that there is radioactive material and be attached to connecing with determined water near radiation detecting apparatus always
The region touched.Thereby, it is possible to realize the reduction of radiation background, it is possible to increase the reliability of radiation measurement.
It addition, clean device ejection rinse water by utilizing, it is possible to remove and there is radioactive material, it is possible to save
Slightly as decomposed in flow path, resettlement section, operation is simply and rapidly carried out.
The rinse water with the ejection pressure of more than authorized pressure can directly be sprayed by described cleaning device
To described resettlement section.By this structure, it is possible to will attach to resettlement section has radioactive material with punching
The mode washed is removed.
Described cleaning device can have: interposed unit, and it is between described stream and described resettlement section；
And rinse water supply road, end is connected to this interposed unit downstream, rinse water is supplied in described space.
By this structure, it is possible to utilize the interposed unit between stream and resettlement section to spray rinse water, it is possible to
Spray rinse water rinse water near the installation site of the resettlement section from stream and rinse resettlement section.
It may be that described resettlement section has the perisporium of substantially cylindrical shape, described interposed unit be configured to
Described resettlement section is across gap.By this structure, it is possible to will clean across the position in gap from resettlement section
Water is ejected into resettlement section.
Groove circumferentially can be formed with in the inner peripheral surface side of described interposed unit.By this structure, energy
Enough make rinse water flow in groove and spray rinse water from this groove entirety.Thereby, it is possible to from the week of resettlement section
To rinse the wide scope of resettlement section by rinse water to entirety ejection rinse water.
It may be that described stream possesses: supervisor, it extends in the straight direction；And highlight pipe, its
Being connected with this supervisor and project upwards in the side intersected with this supervisor, described resettlement section is so that described interposed unit
Mode between the end of described resettlement section and described prominent pipe is installed on the end of described prominent pipe.
By this structure, it is possible to using prominent pipe as the rib strengthened.
In described stream, described supervisor can be formed by curved surface with the borderline region of described prominent pipe.Pass through
This structure, is formed as curved surface by above-mentioned zone, correspondingly, it is possible to make putting of radiation detecting apparatus
The detection range of ray is the situation expansion of lobe shape in the space of stream compared to above-mentioned zone.
Can connect on described stream and have the drain pipe discharging described rinse water.By this structure, it is possible to
Rinsed after there is radioactive material clear is discharged from the drain pipe of other system mutually separate with stream
Wash water.
The effect of invention
In accordance with the invention it is possible to be readily removable be attached in stream there is radioactive material, it is possible to
Reduce radiation background.
Accompanying drawing explanation
Figure 1A and Figure 1B is the lonizing radiation treatment facility of application water monitor involved by present embodiment
One example of Sketch figure.
Fig. 2 is the top view of above-mentioned water monitor.
Fig. 3 is the front view of the above-mentioned water monitor eliminating a part of structure.
Fig. 4 is that the line A-A of Fig. 3 is to regarding sectional view.
Fig. 5 is the vertical view cutaway drawing of Fig. 2.
Fig. 6 is for the longitudinal section around cleaning device and resettlement section is described.
Description of reference numerals
10: water monitor；11: pipe arrangement (stream)；13: supervisor；14: prominent pipe；20: clean dress
Put；21: resettlement section；22: radiation detecting apparatus；24: rinse water supply road；25: interposed unit；
32: groove；35: drain pipe (drain)；39a: perisporium；100: lonizing radiation treatment facility；110: radiation
Line treatment facility；S: space.
Detailed description of the invention
Below, present embodiment is explained referring to the drawings.Additionally, in the following description, only
Without particularly expressing, "left", "right" on the basis of Fig. 2, " on ", D score is on the basis of Fig. 3.Separately
Outward, " front " on the basis of the lower section of Fig. 2, " afterwards " is arranged above benchmark with Fig. 2.
Figure 1A and Figure 1B is that the lonizing radiation process about the water monitor involved by application present embodiment sets
One example of the Sketch figure of the part executed.The lonizing radiation treatment facility 100 of Figure 1A is nuclear electric power generation
The a part of structure stood, the steam produced in steam generator 101 flows to after turbine 102 does work,
Flow into condenser 103.Carry out the condensed water of condenser 103 by desteamer 104 deaeration, and in heating of supplying water
Steam generator 101 is returned to after device 105 is heated.It addition, the discharge water of high temperature is from steam generator
101 are discharged, and are flowed into filter 107 and make a return journey the removal of impurity, are taken off by electric desalting apparatus 108 afterwards
Salt treatment also returns to condenser 103.
In the lonizing radiation treatment facility 100 of Figure 1A, the water monitor involved by present embodiment will be at electricity
The entrance of desalter 108 or the water of output flow carry out the detection of lonizing radiation as determined water.
The lonizing radiation treatment facility 110 of Figure 1B is the atomic pile subsidiary engine cooling water in atomic power station
Equipment, possesses atomic pile subsidiary engine cooling water cooler 111.Sea water is directed to via sea water pump 112
Atomic pile subsidiary engine cooling water cooler 111, returns to greatly from dewatering outlet 113 after carrying out heat exchange
Sea.It addition, the cooling water from atomic pile subsidiary engine cooling water buffer tank 115 is flowed into via pump 116
Atomic pile subsidiary engine cooling water cooler 111, cooling water returns after being cooled down by sea water.
In the lonizing radiation treatment facility 110 of Figure 1B, the water monitor involved by present embodiment will be former
The sub-entrance of reactor subsidiary engine cooling water cooler 111 or the cooling water of output flow come as determined water
Carry out the detection of lonizing radiation.
Additionally, the water monitor involved by present embodiment is not limited to be used in above-mentioned facility, it is possible to profit
For various lonizing radiation treatment facilities.Such as, additionally it is possible to be used in situations below aptly: monitored by water
Device is arranged at the liquid debris processing system of lonizing radiation treatment facility, is processed by this liquid debris of composition
Cooling water in each equipment of system carries out the detection of lonizing radiation as determined water.It addition, in above-mentioned
Holding an only example, the water monitor involved by present embodiment can be used in various lonizing radiation and process
Facility.
Then, the water monitor involved by present embodiment is illustrated.Fig. 2 is present embodiment institute
The top view of the water monitor related to, Fig. 3 is that the master of the above-mentioned water monitor eliminating a part of structure regards
Figure, Fig. 4 is that the line A-A of Fig. 3 is to regarding sectional view.As in figure 2 it is shown, water monitor 10 possesses along right and left
To the pipe arrangement 11 (stream) extended.The most as shown in Figure 3 and Figure 4, it is imported into being internally formed of pipe arrangement 11
The space S of the determined water such as the draining in the lonizing radiation treatment facility stated.Pipe arrangement 11 forms not shown row
A part for water system, certain one end in the left and right of pipe arrangement 11 is as the introduction part of determined water, therein
The other end is as the discharge portion of determined water.Upstream side and the downstream difference in discharge portion in introduction part
It is provided with not shown valve, enabling switch the supply of determined water to space S and stopping.
Pipe arrangement 11 possess the supervisor 13 extended in the straight direction along left and right and with this supervisor 13 before
Side connects and to as the prominent pipe 14 prominent with the front in the direction that supervisor 13 is intersected.Supervisor 13 possess with
Pars intermedia 13a that prominent pipe 14 connects and wait two ends, left and right link with pars intermedia 13a by welding
Extension 13b.The end with pars intermedia 13a opposite side in each extension 13b is respectively welded convex
Edge 15, links the not shown pipe arrangement constituting drainage system via these flange parts 15.At pipe arrangement 11
In, supervisor 13 and the borderline region of prominent pipe 14 by the sectional view of Fig. 4 in quadrant arcuation
Curved surface is formed.
Water monitor 10 is also equipped with cleaning device 20, resettlement section 21 and radiation detecting apparatus 22 (at Fig. 3
Not shown resettlement section 21 and radiation detecting apparatus 22 with in Fig. 4).
Clean device 20 possess be connected to not shown rinse water supply source rinse water supply road 24 and
The interposed unit 25 connected with the side, downstream on this rinse water supply road 24.Conduct on rinse water supply road 24
The side, downstream of pipe arrangement 11 side is provided with adapter 27.Adapter 27 is connected to described later be formed at interposed unit
The path 33 (with reference to Fig. 6) on the top of 25.The side, upstream on rinse water supply road 24 is provided with valve 28, energy
Enough supply and stoppings switching rinse water by operating this valve 28.As rinse water, without particular limitation of,
Use pure water in the present embodiment.
Interposed unit 25 is formed as circular, fixes the front end (end) in prominent pipe 14 by welding etc..
As it is shown on figure 3, at the front surface of interposed unit 25, be formed with multiple screwed hole the most at regular intervals
25a.It addition, at the front surface of interposed unit 25, be formed with holding tank 25b rounded on front view,
This holding tank 25b is formed as its front and opens wide, and is configured at inner containment O 30 (with reference to Fig. 6).
Fig. 5 is the vertical view cutaway drawing of Fig. 2, and Fig. 6 is for the vertical profile around cleaning device and resettlement section is described
View.As shown in Figure 5 and Figure 6, at the inner peripheral surface of interposed unit 25, it is formed with groove 32 circumferentially.
Groove 32, interposed unit 25 inner peripheral surface side is opened wide, on the other hand, in a position of the bottom of groove 32
It is formed with path 33 (the most not shown).Path 33 radially extends along interposed unit 25, the one of path 33
Side connects with the bottom of groove 32, and on the other hand, another side of path 33 is connected to adapter 27.Cause
And, the downstream on rinse water supply road 24 connects with the inner peripheral surface side of interposed unit 25, supplies road from rinse water
The rinse water of 24 supplies is through path 33 space S of the inner side being ejected into prominent pipe 14 from groove 32.Preferably
, the ejection pressure source of this rinse water is pump etc., and ejection pressure is more than 150kPa.
As shown in Figures 2 to 4, clean device 20 and be also equipped with the extension 13b with the side in pipe arrangement 11 even
The drain pipe 35 connect.Rinse water in the space S of pipe arrangement 11 is discharged to the outside of pipe arrangement 11 by drain pipe 35.
The side, downstream of drain pipe 35 is provided with valve 36 (the most not shown), it is possible to by operating this valve 36
Switch the discharge of rinse water and discharge stopping.
As shown in Figure 2 and Figure 5, resettlement section 21 is so that prominent in resettlement section 21 with pipe arrangement 11 of interposed unit 25
Go out the end of the prominent pipe 14 that the state between the end of pipe 14 is installed in pipe arrangement 11, and house lonizing radiation
Detection device 22.Resettlement section 21 possess the front being arranged at interposed unit 25 ring-type attached portion 38 and
Waited by welding and be fixed on the inner peripheral surface side of attached portion 38 have the container-like protection portion 39 in the end.At quilt
In installation portion 38, it is formed with through hole (not shown) in the position corresponding with screwed hole 25a (with reference to Fig. 3),
It is threaded into the bolt 41 (the most not shown) of hole 25a by attached portion by pass through this through hole
38 are installed on interposed unit 25.Now, O type is sandwiched by the opposite face of attached portion 38 and interposed unit 25
Circle 30 (with reference to Fig. 6), so that it is guaranteed that the watertightness between them.
Protection portion 39 is made up of rustless steel etc., has the radiation detecting apparatus 22 that protection houses therein
Function from the infringement of draining.Protection portion 39 possesses front and is positioned at the inside of attached portion 38 and along prominent
Go out the perisporium 39a of the substantially cylindrical shape that the projected direction (fore-and-aft direction) of pipe 14 extends and be arranged at this
The diapire 39b of the rear end side of perisporium 39a.The rear end of perisporium 39a and diapire 39b are configured at than supervisor's 13
Position rearward, front end, becomes and is dipped in the shape contacted with this draining in the draining of flowing in supervisor 13
State.It addition, be configured to the outer surface of perisporium 39a and the inner peripheral surface of interposed unit 25 across trickle gap.
For radiation detecting apparatus 22 without particular limitation of, it is possible to utilize the lonizing radiation such as NaI scintillation detector
Detector, measures object and is mainly gamma-rays.Radiation detecting apparatus 22 possesses and is contained in protection portion 39
Cylindric container 22a, the bottom in container 22a is configured with the scintillator comprising NaI (Tl)
(scintillator)22b.Scintillator 22b sends fluorescence by the incidence of lonizing radiation, and this light is through photoelectricity times
Increasing pipe etc. and be converted into detection signal, this detection signal is by the cable 22d that connects via adapter 22c
It is imported into the control equipment of regulation.
In above structure, if the material in the determined water of flowing has radioactivity in space S,
Then radiate lonizing radiation from this material.These lonizing radiation incide scintillator 22b, by radiation detecting apparatus
22 detect lonizing radiation.Now, if there is the one of pipe arrangement 11 between radioactive substance and scintillator 22b
Part, then radiate with linearity due to lonizing radiation, and the lonizing radiation therefore inciding scintillator 22b decline
Subtract and sensitivity decline.In the present embodiment, supervisor 13 is by curved surface with the borderline region of prominent pipe 14
Formed, therefore compared with the situation being formed this borderline region by two orthogonal faces, it is possible to expansion is dodged
Bright body 22b detects the scope of lonizing radiation.If additionally, the degree of depth deepening protection portion 39 makes scintillator
22b is closely located to be responsible for the cental axial position of 13, then can expand the detection range of scintillator 22b, but
It is that the area that protection portion 39 contacts with determined water becomes big, causes the pressure loss of determined water, the most also
Undesirable.As in the present embodiment, by the borderline region of supervisor 13 with prominent pipe 14 is set to curved surface,
The pressure loss of determined water can be suppressed, and by the supervision scope of the radioactive substance in determined water
It is kept as wide.
Then, illustrate present embodiment utilizes the cleaning method of cleaning device 20 with reference to Fig. 6.In profit
All it is carried out inside the space S cleaned in the cleaning that carries out of device 20 pipe arrangement 11 (with reference to Fig. 2),
In particular with rinse water, the outer surface of the protection portion 39 contacted with determined water of resettlement section 21 is entered
Row cleans.In this cleaning, first, the valve (not shown) of the upstream and downstream of pipe arrangement 11 is operated,
It is set to the state all discharged by the determined water in space S.Then, to rinse water valve 28 (reference figure
2) operate, supply road 24 via rinse water and rinse water is supplied to interposed unit 25.Then, from sandwiched
The inner circumferential ejection rinse water in portion 25, rinse water is directly injected into the appearance of the protection portion 39 of resettlement section 21
Face.Meanwhile, rinse water flows along the groove 32 of interposed unit 25, say, that rinse water is at perisporium
Flow in the way of annularly surrounding perisporium 39a on front view in the front of 39a.Then, at groove 32
The rinse water of interior flowing flow to rear, lower section due to deadweight, the hydraulic pressure of rinse water from groove 32.Now,
Rinse water can be along the circumference entirety of perisporium 39a and the outer surface of bottom 39b (with reference to Fig. 5), it is possible to wash out attached
The foreign body etc. in perisporium 39a and the outer surface of bottom 39b to be carried out.Additionally, by ejection is pressed
Power is set to more than 150kPa, it can be ensured that the hydraulic pressure of rinse water, therefore, it is possible to obtain better cleaning effect
Really.
Clean the rinse water behind resettlement section 21 and also rinse the inner peripheral surface of pipe arrangement 11 forming space S, and from
Drain pipe 35 (with reference to Fig. 2) is to the outside discharge of pipe arrangement 11.
As described above, according to present embodiment, it is possible to utilize rinse water to clean the protection of resettlement section 21
The outer surface in portion 39 such that it is able to avoid becoming and there is radioactive material adhere to and residue in protection portion 39
State.Thus, in the detection of lonizing radiation, the reduction of radiation background it is capable of, it is possible to increase radiation
The reliability that line is measured.Further, due to the outer surface in cleaning protection portion 39 as described above, therefore only
Rinse water to be passed through supply road 24 is externally supplied rinse water and just can remove from pipe arrangement 11 and have radioactivity
Material.In order to clean, each structure of water monitor 10 is decomposed or again thus, it is possible to eliminate
The operation assembled, it is possible to alleviate the homework burden required for cleaning.
Further, since rinse water is supplied road 24 be connected to the interposed unit 25 for installing resettlement section 21, because of
This can omit the parts only connecting rinse water supply road 24, it is possible to realizes the reduction of components number.Further,
Can rinse week efficiently in wide scope from the integral spray rinse water of the groove 32 extended in the form of a ring
The circumference of wall 39a is overall.
Further, since form prominent pipe 14 in pipe arrangement 11 and interposed unit 25 be welded in this prominent pipe 14,
Therefore prominent pipe 14 is strengthened.Further, by this prominent pipe 14, it is possible to suppress because thermal conductance during welding causes
The deformation of pipe arrangement 11.
The present invention is not limited to above-mentioned embodiment, it is possible to carries out various change and implements.It addition, about
In above-mentioned embodiment, the numerical value of explanation, size, material, direction, be not particularly limited.In addition,
Scope without departing from the purpose of the present invention, it becomes possible to suitably change.
Such as, may not be folder from rinse water supply road 24 to the supply position of space S supply rinse water
If portion 25, but supervisor 13, the arbitrary position of prominent pipe 14, it is also possible to rinse water is not directly sprayed
To resettlement section 21, but it is ejected in space S.
It addition, in the above-described embodiment, illustrate the situation that stream is pipe arrangement 11, but be not limited to this,
The stream of the present invention can also be the chamber etc. storing determined water.
It addition, the groove 32 of interposed unit 25 can also be formed as the shape extended in the shape of a spiral, or can also
Groove 32 is not formed but from the position connected with rinse water supply road 24 of interposed unit 25 in interposed unit 25
Jet cleaning water.But, as it has been described above, from being prone to make rinse water upper in the periphery entirety of protection portion 39
For dynamic aspect, formed during groove 32 more favourable in interposed unit 25.
Claims (8)
1. a water monitor, it is characterised in that possess:
Stream, it is formed for importing the space of the determined water of flowing in lonizing radiation treatment facility；
Radiation detecting apparatus, the lonizing radiation in the determined water in described space are detected by it；
Resettlement section, it is arranged at described stream to house described radiation detecting apparatus；And
Cleaning device, the region contacted with determined water of described resettlement section is carried out by its ejection rinse water
Clean.
Water monitor the most according to claim 1, it is characterised in that
The rinse water with the ejection pressure of more than authorized pressure is directly injected to institute by described cleaning device
State resettlement section.
Water monitor the most according to claim 1 and 2, it is characterised in that
Described cleaning device has: interposed unit, and it is between described stream and described resettlement section；And
Rinse water supply road, end is connected to this interposed unit downstream, rinse water is supplied in described space.
Water monitor the most according to claim 3, it is characterised in that
Described resettlement section has the perisporium of substantially cylindrical shape,
Described interposed unit is configured to the described perisporium with described resettlement section across gap.
Water monitor the most according to claim 4, it is characterised in that
Inner peripheral surface side in described interposed unit is formed with groove circumferentially.
6. according to the water monitor described in any one in claim 3 to 5, it is characterised in that
Described stream possesses: supervisor, it extends in the straight direction；And highlight pipe, itself and this supervisor
Connect and project upwards in the side intersected with this supervisor,
Described resettlement section is so that described interposed unit is between the end of described resettlement section and described prominent pipe
Mode be installed on the end of described prominent pipe.
Water monitor the most according to claim 6, it is characterised in that
Described in described stream, supervisor is formed by curved surface with the borderline region of described prominent pipe.
8. according to the water monitor described in any one in claim 1 to 7, it is characterised in that
Described stream connects and has the drain pipe discharging described rinse water.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-075043 | 2015-04-01 | ||
| JP2015075043A JP6524758B2 (en) | 2015-04-01 | 2015-04-01 | Water monitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106054232A true CN106054232A (en) | 2016-10-26 |
| CN106054232B CN106054232B (en) | 2019-03-01 |
Family
ID=57323489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610134325.8A Active CN106054232B (en) | 2015-04-01 | 2016-03-09 | Water monitor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6524758B2 (en) |
| CN (1) | CN106054232B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1312429A1 (en) * | 2000-08-08 | 2003-05-21 | Ebara Corporation | Method and device for preventing solid product from adhering to inner surface of exhaust gas pipe and exhaust gas treatment device with the device |
| CN101046514A (en) * | 2007-03-17 | 2007-10-03 | 中国工程物理研究院核物理与化学研究所 | Device and method for measuring radioactive contamination in pipeline inner surface |
| KR20120039930A (en) * | 2010-10-18 | 2012-04-26 | 민승기 | Equipment of washing pipe laying |
| CN202277978U (en) * | 2011-10-17 | 2012-06-20 | 中芯国际集成电路制造(上海)有限公司 | Cleaning device for light-sensitive lacquer sprayer |
| CN203076290U (en) * | 2013-03-15 | 2013-07-24 | 浙江泰朗钢管有限公司 | Steel tube inner wall cleaning head |
| KR20140115779A (en) * | 2013-03-22 | 2014-10-01 | 주식회사 오리온이엔씨 | Method for automatically detecting and monitering radiation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015578A (en) * | 1983-07-08 | 1985-01-26 | Hitachi Ltd | Apparatus for detecting radioactivity of waste liquid |
| JPS61102886U (en) * | 1984-12-10 | 1986-06-30 | ||
| FR2734647B1 (en) * | 1995-05-23 | 1997-07-04 | Cogema | TANK FOR ANALYSIS OF RADIOACTIVE LIQUIDS BY AN OVERLOADING DETECTOR |
| JP3974505B2 (en) * | 2002-11-19 | 2007-09-12 | 三菱電機株式会社 | Radiation monitor device |
-
2015
- 2015-04-01 JP JP2015075043A patent/JP6524758B2/en active Active
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2016
- 2016-03-09 CN CN201610134325.8A patent/CN106054232B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1312429A1 (en) * | 2000-08-08 | 2003-05-21 | Ebara Corporation | Method and device for preventing solid product from adhering to inner surface of exhaust gas pipe and exhaust gas treatment device with the device |
| CN101046514A (en) * | 2007-03-17 | 2007-10-03 | 中国工程物理研究院核物理与化学研究所 | Device and method for measuring radioactive contamination in pipeline inner surface |
| KR20120039930A (en) * | 2010-10-18 | 2012-04-26 | 민승기 | Equipment of washing pipe laying |
| CN202277978U (en) * | 2011-10-17 | 2012-06-20 | 中芯国际集成电路制造(上海)有限公司 | Cleaning device for light-sensitive lacquer sprayer |
| CN203076290U (en) * | 2013-03-15 | 2013-07-24 | 浙江泰朗钢管有限公司 | Steel tube inner wall cleaning head |
| KR20140115779A (en) * | 2013-03-22 | 2014-10-01 | 주식회사 오리온이엔씨 | Method for automatically detecting and monitering radiation |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016194474A (en) | 2016-11-17 |
| JP6524758B2 (en) | 2019-06-05 |
| CN106054232B (en) | 2019-03-01 |
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