CN106647840A - Overpressure interlock protection system for radioactive waste resin storage tank and control method - Google Patents
Overpressure interlock protection system for radioactive waste resin storage tank and control method Download PDFInfo
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- CN106647840A CN106647840A CN201610875998.9A CN201610875998A CN106647840A CN 106647840 A CN106647840 A CN 106647840A CN 201610875998 A CN201610875998 A CN 201610875998A CN 106647840 A CN106647840 A CN 106647840A
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- storage tank
- valve
- pressure
- resin storage
- spent resin
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses an overpressure interlock protection system for a radioactive waste resin storage tank and a control method. The overpressure interlock protection system for the radioactive waste resin storage tank comprises the waste resin storage tank; the waste resin storage tank is connected with a feeding pipe, an air compression pipe, an exhaust pipe, an overflow water pipe, a drainage pipe, and a first interlock protection circuit, wherein the feeding pipe is provided with a feeding valve; the air compression pipe is provided with an air compression valve; the first interlock protection circuit comprises a pressure sensor, the feeding valve and the air compression valve arranged in the waste resin storage tank; and the pressure sensor, the feeding valve and the air compression valve are in communication connection with a PLC control system. Through setting a first-stage protection system and a second-stage protection system, the dual protection adjusts the pressure in the waste resin storage tank, the pressure in the waste resin storage tank is controlled in a stable normal pressure range, and overpressure in the waste resin storage tank can be avoided.
Description
Technical field
The present invention relates to nuclear power plant, nuclear facilities waste processing arts, and in particular to radioactive spent resin storage tank it is super
Pressure interlocking protective system and control method.
Background technology
At present, the radioactive liquid waste that nuclear facilities is produced, it is main using evaporation and ion exchange purification techniques.Radioactive liquid waste
The negative resin or positive resin entered in ion exchange system, and exchange column after vapo(u)rization system carries out ion exchange.After exchange
Spent resin carry substantial amounts of radioactivity.Received using spent resin storage tank in engineering, store, transport spent resin.Therefore it is useless to set
Fat storage tank is the key equipment of spent resin reception and movement system.Its major function is for receiving, storing from spent resin
Transporting the radioactive spent resin that tank and ion exchange system are produced, then be transported to spent resin measuring tank carries out cement solidification, is formed
Stable firming body, is easy to later temporary, transport and disposes.
Spent resin storage tank is atmospheric pressure device, be provided with charging aperture, the pressure for stirring eat dishes without rice or wine, air vent, overflowing water port etc.
The mouth of pipe and liquid level, resin boundary surface measuring instrumentss.Because spent resin storage tank operating pressure is air bleeding valve in normal pressure, and operating process
Open mode is at, superpressure is not often considered when equipment is designed.But the production run feedback of reality, spent resin storage tank exists
Receive, pressure sky is stirred, transported in the implementation process of spent resin, system pressure must be able to quickly, completely discharge, it is ensured that spent resin
Storage tank maintains normal pressure use state.If the not smooth situation of aerofluxuss occurs in system equipment, spent resin storage tank may be because of superpressure
Cause equipment safety accident and process safety accident.Equipment safety accident is that spent resin storage tank builds the pressure, deforms；Process safety accident
I.e. spent resin storage trough inner water and spent resin enter exhaustor or pressure blank pipe in the case where pressure is larger, cause radioactive substance to expand
Dissipate, it is difficult to clear up.
Traditional spent resin storage tank is substantially the equipment that maintenance maintenance, operation operating aspect go solution equipment overpressured zones
Deformation and safety problem, this solution cost is big, time-consuming length, maintenance are frequent, and personnel's raying dose irradiation is more.
The content of the invention
It is an object of the invention to provide the superpressure interlocking protective system of radioactive spent resin storage tank, solves Spent Radioactive tree
Fat storage tank is receiving, stirring, transhipment spent resin when, the equipment deformation caused due to superpressure and the problem of process safety, raising is put
The reliability and operation operation stability of penetrating property spent resin storage tank equipment, fully ensures that the peace in radioactive spent resin processing procedure
Quan Xing.
Additionally, the present invention also provides the control method of the superpressure interlocking protective system of radioactive spent resin storage tank.
The present invention is achieved through the following technical solutions：
The superpressure interlocking protective system of radioactive spent resin storage tank and control method, including
The superpressure interlocking protective system of radioactive spent resin storage tank, including spent resin storage tank, spent resin storage tank be connected with feed pipe,
Pressure blank pipe, exhaustor, overflow pipe and discharging tube, are provided with inlet valve on the feed pipe, the empty valve of pressure is provided with pressure blank pipe,
Also include the first interlocked control loop, the first interlocked control loop includes the pressure sensing being arranged in spent resin storage tank
The empty valve of device, inlet valve and pressure, the empty valve of the pressure transducer, inlet valve and pressure and PLC control system communication connection.
Existing spent resin storage tank is simply simply provided with feed pipe, discharging tube and exhaustor, realizes by exhaustor
Spent resin storage tank pressure release, but in actual operation, do not make adjustments into the pressure sky in spent resin storage tank, or the empty inlet of pressure
It is excessive or very few；The empty amount of pressure is excessive, if aerofluxuss valve exhaust is not smooth, will cause equipment superpressure, causes equipment to deform or spent resin
It is pressed into the safety problems such as discharge duct；The empty amount of pressure is too small, and the empty stirring of pressure can not make spent resin and water mix homogeneously, cause useless tree
Fat blanking is smooth and blocks.Such mode not only cannot ensure the empty stirring desirable pressure of the pressure of spent resin storage tank, be easily caused useless
Resin storage tank superpressure, and cannot real-time detection spent resin storage tank pressure, superpressure not only results in the deformation of spent resin storage tank,
And can cause the diffusion of radioactive substance.
Pressure transducer of the present invention is prior art, for the intrinsic pressure of Real-time Collection spent resin storage tank, and will collection
To internal pressure signal pass to PLC control system, judged by PLC control system analysis, it is intrinsic pressure less than setting when spent resin storage tank
During fixed higher limit, continue to feed and press empty, when spent resin storage tank intrinsic pressure reaches the upper limit, finger is sent by PLC control system
Inlet valve and voltage-controlled valve are closed in order, it is to avoid by the problem for occurring superpressure inside PLC control system.
The present invention, will be voltage-controlled in spent resin storage tank by setting up the first interlocked control loop in existing spent resin storage tank
System is within the specific limits, it is ensured that spent resin storage tank is not in the situation of superpressure, and then avoids spent resin storage tank because internal super
The problem of deformation and radioactive substance diffusion caused by pressure.
Further, also including the second interlocked control loop, the second interlocked control loop includes inlet valve and setting
Air bleeding valve on exhaustor, the inlet valve and air bleeding valve are communicated to connect with PLC control system.
First check whether air bleeding valve is shown in a fully open operation, if air bleeding valve standard-sized sheet, inlet valve could be opened, prevent operation from losing
Equipment is caused to build the pressure by mistake.
Air bleeding valve is communicated to connect with PLC control system, when exhaust valve opening, is sent instruction by PLC control system and is first opened
Open air bleeding valve and then be then turned on inlet valve.
The present invention is by arranging the second interlocked control loop, it is to avoid spent resin storage tank directly enters in the case of airproof
The problem of superpressure caused by material.
Further, also including the 3rd interlocked control loop, the 3rd interlocked control loop includes the empty valve of pressure and aerofluxuss
Valve, the pressure sky valve and air bleeding valve are communicated to connect with PLC control system.
When the empty valve of pressure must is fulfilled for the condition that air bleeding valve is shown in a fully open operation, just can be unlocked, it is ensured that smooth gas discharge.
Air bleeding valve is communicated to connect with PLC control system, and first then unlatching air bleeding valve is opened again to send instruction by PLC control system
Open the empty valve of pressure.
The present invention avoids spent resin storage tank because of On The Problem Of Overpressure caused by stuffiness by arranging the 3rd interlocked control loop.
Further, also including first order protection system, the first order protection system includes being connected with spent resin storage tank
Exhaustor I, breathing relief valve and relief valve are provided with the exhaustor I.
The breathing relief valve and relief valve are prior art, when spent resin storage tank is in atmospheric pressure state, type of respiration
Relief valve and breather valve are in closed mode.When negative pressure reaches setting value in spent resin storage tank, breather valve automatically turn on to
QI invigorating in spent resin storage tank, when malleation reaches setting value in spent resin storage tank, automatically turns on breather valve and automatically turns on outwards row
Gas, it is ensured that the safety of spent resin storage tank, breathing relief valve pressure set points are slightly above breather valve, with breather valve operation principle phase
Together, breathing relief valve and breather valve at lower pressures, i.e., can be exhausted release so as to be in spent resin storage tank
Atmospheric pressure state works, and can be good at ensureing the safety of spent resin storage tank.
The present invention is provided with for adjusting by setting up exhaustor I on existing spent resin storage tank on exhaustor I
Section spent resin sump interior pressure breathing relief valve and relief valve, it is ensured that spent resin storage tank it is intrinsic pressure constant in certain limit
It is interior, it is to avoid superpressure or hypotensive problem occur.
Further, pressure gauge on the spot and teletransmission pressure transmitter, the teletransmission pressure inverting are additionally provided with exhaustor I
Device is communicated to connect with PLC control system.
The pressure gauge on the spot and teletransmission pressure transmitter are prior art, for monitoring the pressure in spent resin storage tank,
Signal is passed to PLC control system by teletransmission pressure transmitter, realizes remote monitoring, and on the spot pressure gauge realizes on-site-inspection.
Further, on the spot pressure gauge and teletransmission pressure transmitter are arranged on the front end of relief valve, the type of respiration safety
Valve is arranged on the port of export of relief valve.
The front end of the relief valve specifically refers to the position that aerofluxuss are that air-flow is first passed through, and is arranged such in measurement spent resin storage
There is no the pressure loss during pressure of groove.
Further, also including second level protection system, the second level protection system includes being arranged on pressure blank pipe
Air relief valve, in the rear end of air relief valve pressure gauge I on the spot is arranged.
The air relief valve is prior art, the rear end of the air relief valve specifically refer to after air-flow through position, air relief valve
The pneumatics for pressing blank pipe can be adjusted, when the pressure in spent resin storage tank is excessive, instruction be sent by PLC control system and is opened
Open air relief valve and be adjusted to entering into the pneumatics in spent resin storage tank, it is to avoid superpressure in spent resin storage tank caused by pneumatics is excessive
Problem.
Further, the air relief valve is arranged on the front end of the empty valve inlet of pressure.
It is arranged such and is easy to adjust pressure.
The control method of the superpressure interlocking protective system of radioactive spent resin storage tank, comprises the following steps：
1）, check air bleeding valve whether be shown in a fully open operation, if air bleeding valve standard-sized sheet, inlet valve could be opened；
2）, in the state of air bleeding valve standard-sized sheet by feed pipe receive spent resin to spent resin storage tank；
3）, check whether air bleeding valve is shown in a fully open operation, if air bleeding valve standard-sized sheet, open the empty valve of pressure；
4）, the pressure transducer in spent resin storage tank senses in real time the internal pressure of spent resin storage tank, and signal transmission given
PLC control system, when the negative pressure in spent resin storage tank reaches setting value, breather valve is set to QI invigorating in spent resin storage tank when useless
When malleation reaches setting value in fat storage tank, the outside aerofluxuss of breather valve；
5）, the pressure transducer in spent resin storage tank senses in real time the internal pressure of spent resin storage tank, and signal transmission given
PLC control system, when the pressure in spent resin storage tank reaches the higher limit of setting, PLC control system carries out sound and light alarm simultaneously
Inlet valve and the empty valve of pressure are automatically switched off, pressure limit is prevented.
Appearance can be prevented effectively from using control method shown in the present invention very well to controlling the intrinsic pressure of spent resin storage tank
The problem of superpressure.
The present invention compared with prior art, has the following advantages and advantages：
1st, hardware of the present invention belongs to common apparatus, and purchase cost is low, and interlocked control loop is uncomplicated, on software
It is easily achieved, is suitable for engineering popularization.
2nd, by arranging first order protection system and first order protection system, duplicate protection is to spent resin storage tank for the present invention
Pressure is adjusted, by the Stress control of spent resin storage tank in the range of stable normal pressure, it is to avoid occur in spent resin storage tank super
The problem of pressure.
3rd, the present invention realizes three interlocked control loops by software programming, it is ensured that equipment safety, can be remote in control room
The pressure of range monitoring equipment, and the state of the empty valve of inlet valve, air bleeding valve, pressure, it is not necessary to which manual site intervenes, and can be automatically obtained
Interlock circuit is controlled, high degree of automation.
4th, resin storage tank sets up three interlocked control loops, and operability is high, stable, a little repair, and safeguards
It is convenient, reduce the dosage of staff's raying, it is ensured that radiation safety.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of superpressure interlocking protective system.
Labelling and corresponding parts title in accompanying drawing：
1- inlet valves, the empty valve of 2- pressures, 3- air bleeding valves, 4- overflow valves, 5- tapping valves, 6- breathing relief valves, 7- relief valve, 8- is just
Ground pressure table, 9- teletransmission pressure transmitters, 10- air relief valve, 110- feed pipes, 111- pressure blank pipes, 112- exhaustors, 113- overflows
Water pipe, 114- discharging tubes, 115- exhaustors I, 100- spent resin storage tanks, 200- overflow water storage tanks, 300- spent resin measuring tanks.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1：
As shown in figure 1, the superpressure interlocking protective system of radioactive spent resin storage tank, including spent resin storage tank 100, spent resin storage tank
100 are connected with feed pipe 110, pressure blank pipe 111, exhaustor 112, overflow pipe 113 and discharging tube 114, on the feed pipe 110
Inlet valve 1 is provided with, the empty valve 2 of pressure is provided with pressure blank pipe 111, also including the first interlocked control loop, the first interlocking control
Loop processed is including the pressure transducer, inlet valve 1 being arranged in spent resin storage tank 100 and presses empty valve 2, the pressure transducer,
Inlet valve 1 and the empty valve 2 of pressure are communicated to connect with PLC control system；Also include the second interlocked control loop, second interlocked control
Loop includes inlet valve 1 and the air bleeding valve 3 being arranged on exhaustor 112, the inlet valve 1 and air bleeding valve 3 and PLC control system
Communication connection；Also include the 3rd interlocked control loop, the 3rd interlocked control loop includes the empty valve 2 of pressure and air bleeding valve 3, described
The empty valve 2 of pressure and air bleeding valve 3 are communicated to connect with PLC control system.
Embodiment 2：
As shown in figure 1, the present embodiment is based on embodiment 1, also including first order protection system, the first order protection system includes
The exhaustor I 115 being connected with spent resin storage tank 100, is provided with breathing relief valve 6 and relief valve 7 on the exhaustor I 115；
Also include second level protection system, the second level protection system includes the air relief valve 10 being arranged on pressure blank pipe 111, in decompression
The rear end of valve 10 arranges pressure gauge I on the spot.
Embodiment 3：
As shown in figure 1, the present embodiment is based on embodiment 2, pressure gauge 8 on the spot and teletransmission pressure are additionally provided with the exhaustor I 115
Power transmitter 9, the teletransmission pressure transmitter 9 is communicated to connect with PLC control system；The pressure gauge on the spot 8 and teletransmission pressure
Transmitter 9 is arranged on the front end of relief valve 7, and the breathing relief valve 6 is arranged on the port of export of relief valve 7；The air relief valve
10 front ends for being arranged on the empty entrance of valve 2 of pressure.
The control method of the superpressure interlocking protective system of radioactive spent resin storage tank, comprises the following steps：
1）, check air bleeding valve 3 whether be shown in a fully open operation, if the standard-sized sheet of air bleeding valve 3, could open inlet valve 1；
2）, in the state of the standard-sized sheet of air bleeding valve 3 spent resin is received to spent resin storage tank 100 by feed pipe 110；
3）, check whether air bleeding valve 3 is shown in a fully open operation, if the standard-sized sheet of air bleeding valve 3, open the empty valve 2 of pressure；
4）, the pressure transducer in spent resin storage tank 100 sense the internal pressure of spent resin storage tank 100 in real time, and by signal
PLC control system is passed to, when the negative pressure in spent resin storage tank 100 reaches setting value, breather valve 7 is to spent resin storage tank 100
Interior QI invigorating, when malleation reaches setting value in spent resin storage tank 100, the outside aerofluxuss of breather valve 7；
5）, the pressure transducer in spent resin storage tank 100 sense the internal pressure of spent resin storage tank 100 in real time, and by signal
PLC control system is passed to, when the pressure in spent resin storage tank 100 reaches the higher limit of setting, PLC control system carries out sound
Light alarm is simultaneously automatically switched off inlet valve 1 and the empty valve 2 of pressure, prevents pressure limit.
The operation principle of the present invention：Spent resin storage tank 100 receives the spent resin from ion exchange system, spent resin and water
Mixture spent resin storage tank 100 is entered by feed pipe 110 under gravity conveying, the empty valve 2 of pressure is first closed before blanking, then open
Air bleeding valve 3, makes spent resin storage tank 100 in atmospheric pressure state, and the spent resin in spent resin storage tank 100 need to be transported to follow-up system and enter
Row metering, cured, first carry out pressing empty stirring before transhipment, after spent resin and water stir, open tapping valve 5, then lead to
Cross discharging tube 114 to be transported in spent resin measuring tank 300, air bleeding valve 3 is constantly in open mode in whole transport process, prevents
Equipment builds the pressure.In the empty whipping process of pressure, air relief valve 10 adjusts the empty inlet of pressure to limit pressure limit in storage tank, works as spent resin
When waste liquid is excessive in storage tank 100, overflow valve 4 is opened, overflow water is entered in overflow water storage tank 200 through overflow pipe 113.When
When spent resin storage tank 100 is in atmospheric pressure state, breathing relief valve 6 and breather valve 7 are in closed mode.When spent resin storage tank
When negative pressure reaches setting value in 100, breather valve 7 is opened to QI invigorating in spent resin storage tank 100, when malleation in spent resin storage tank 100
When reaching setting value, the outside aerofluxuss of breather valve 7 are opened, it is ensured that the safety of spent resin storage tank 100, the pressure of breathing relief valve 6 sets
Definite value is slightly above breather valve 7, identical with the operation principle of breather valve 7, breathing relief valve 6 and breather valve 7 at lower pressures,
Can release be exhausted to spent resin storage tank 100 so as in atmospheric pressure state work, can be good at ensureing spent resin storage
The safety of groove 100.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the specific embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (9)
1. the superpressure interlocking protective system of radioactive spent resin storage tank, it is characterised in that including spent resin storage tank（100）, tree of giving up
Fat storage tank（100）It is connected with feed pipe（110）, pressure blank pipe（111）, exhaustor（112）, overflow pipe（113）And discharging tube
（114）, the feed pipe（110）On be provided with inlet valve（1）, press blank pipe（111）On be provided with the empty valve of pressure（2）, also including
One interlocked control loop, the first interlocked control loop includes being arranged on spent resin storage tank（100）Interior pressure transducer, enter
Material valve（1）With the empty valve of pressure（2）, the pressure transducer, inlet valve（1）With the empty valve of pressure（2）With PLC control system communication connection.
2. the superpressure interlocking protective system of radioactive spent resin storage tank according to claim 1, it is characterised in that also include
Second interlocked control loop, the second interlocked control loop includes inlet valve（1）Be arranged on exhaustor（112）On aerofluxuss
Valve（3）, the inlet valve（1）And air bleeding valve（3）With PLC control system communication connection.
3. the superpressure interlocking protective system of radioactive spent resin storage tank according to claim 1, it is characterised in that also include
3rd interlocked control loop, the 3rd interlocked control loop includes the empty valve of pressure（2）And air bleeding valve（3）, the pressure sky valve（2）With
Air bleeding valve（3）With PLC control system communication connection.
4. the superpressure interlocking protective system of radioactive spent resin storage tank according to claim 1, it is characterised in that also include
First order protection system, the first order protection system includes and spent resin storage tank（100）The exhaustor I of connection（115）, it is described
Exhaustor I（115）On be provided with breathing relief valve（6）And relief valve（7）.
5. the superpressure interlocking protective system of radioactive spent resin storage tank according to claim 4, it is characterised in that the row
Trachea I（115）On be additionally provided with pressure gauge on the spot（8）With teletransmission pressure transmitter（9）, the teletransmission pressure transmitter（9）With
PLC control system is communicated to connect.
6. the superpressure interlocking protective system of radioactive spent resin storage tank according to claim 5, it is characterised in that it is described just
Ground pressure table（8）With teletransmission pressure transmitter（9）It is arranged on relief valve（7）Front end, the breathing relief valve（6）It is arranged on
Relief valve（7）The port of export.
7. the superpressure interlocking protective system of radioactive spent resin storage tank according to claim 1, it is characterised in that also include
Second level protection system, the second level protection system includes being arranged on pressure blank pipe（111）On air relief valve（10）, in air relief valve
（10）Rear end one pressure gauge I on the spot is set.
8. the superpressure interlocking protective system of radioactive spent resin storage tank according to claim 7, it is characterised in that described to subtract
Pressure valve（10）It is arranged on the empty valve of pressure（2）The front end of entrance.
9. the control method of the superpressure interlocking protective system of the radioactive spent resin storage tank as described in any one of claim 1-8,
Characterized in that, comprising the following steps：
1）, check air bleeding valve（3）Whether it is shown in a fully open operation, if air bleeding valve（3）Standard-sized sheet, could open inlet valve（1）；
2）, in air bleeding valve（3）By feed pipe in the state of standard-sized sheet（110）Spent resin is received to spent resin storage tank（100）；
3）, check air bleeding valve（3）Whether it is shown in a fully open operation, if air bleeding valve（3）Standard-sized sheet, opens the empty valve of pressure（2）；
4）, spent resin storage tank（100）Interior pressure transducer senses in real time spent resin storage tank（100）Internal pressure, and will
Signal transmission to PLC control system, when spent resin storage tank（100）When interior negative pressure reaches setting value, breather valve（7）To spent resin
Storage tank（100）Interior QI invigorating, when spent resin storage tank（100）When interior malleation reaches setting value, breather valve（7）Outwards aerofluxuss；
5）, spent resin storage tank（100）Interior pressure transducer senses in real time spent resin storage tank（100）Internal pressure, and will
Signal transmission to PLC control system, when spent resin storage tank（100）When interior pressure reaches the higher limit of setting, PLC control system
Carry out sound and light alarm and be automatically switched off inlet valve（1）With the empty valve of pressure（2）, prevent pressure limit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875998.9A CN106647840B (en) | 2016-10-08 | 2016-10-08 | The superpressure interlocking protective system and control method of radioactive spent resin storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875998.9A CN106647840B (en) | 2016-10-08 | 2016-10-08 | The superpressure interlocking protective system and control method of radioactive spent resin storage tank |
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| CN106647840B CN106647840B (en) | 2019-03-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215840A (en) * | 2017-05-23 | 2017-09-29 | 核工业理化工程研究院华核新技术开发公司 | The automatic suction liquid device of uranium-bearing waste liquid |
| CN110411543A (en) * | 2019-07-09 | 2019-11-05 | 江苏中海华核环保有限公司 | For keeping in the measuring equipment of radioactive spent resin and adjustable water and resin ratio |
| CN112358010A (en) * | 2020-11-26 | 2021-02-12 | 西安热工研究院有限公司 | Device and method for preventing resin in exhaust pipeline of resin in-vitro regeneration system from leaking |
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| CN203816485U (en) * | 2014-03-13 | 2014-09-10 | 成都京东方光电科技有限公司 | Chemical adding device |
| CN204293887U (en) * | 2014-11-21 | 2015-04-29 | 齐齐哈尔大学 | A kind of Pharmaceutical Analysis liquefaction evaporating integrated machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6830730B2 (en) * | 2001-09-11 | 2004-12-14 | Spectrolanalytical Instruments | Method and apparatus for the on-stream analysis of total sulfur and/or nitrogen in petroleum products |
| CN201096758Y (en) * | 2007-09-04 | 2008-08-06 | 上海吴泾化工有限公司 | Liquid phase medium pre-processing device for online spectrum analysis |
| CN203816485U (en) * | 2014-03-13 | 2014-09-10 | 成都京东方光电科技有限公司 | Chemical adding device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215840A (en) * | 2017-05-23 | 2017-09-29 | 核工业理化工程研究院华核新技术开发公司 | The automatic suction liquid device of uranium-bearing waste liquid |
| CN110411543A (en) * | 2019-07-09 | 2019-11-05 | 江苏中海华核环保有限公司 | For keeping in the measuring equipment of radioactive spent resin and adjustable water and resin ratio |
| CN110411543B (en) * | 2019-07-09 | 2020-12-04 | 江苏中海华核环保有限公司 | Metering equipment for temporarily storing radioactive waste resin and capable of adjusting proportion of water to resin |
| CN112358010A (en) * | 2020-11-26 | 2021-02-12 | 西安热工研究院有限公司 | Device and method for preventing resin in exhaust pipeline of resin in-vitro regeneration system from leaking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106647840B (en) | 2019-03-19 |
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