JPS6073398A - Solidifying treater for radioactive gas - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention]

Inventive techniques 1.1. ■Field 1 present invention

[, 1 nuclear fission! 1 Jakuchi J ('l dregs are turned into ink and put into the C Kinkutsu prefecture body) J'i Q'l Bamboo dregs immobilization part 311 device J Problems with technical risk and A1 Nuclear fuel reprocessing]! I! I l! J! Nuclear power plants such as Since there are 14 possibilities over the period,
Compared to other general industries, there are much stricter requirements to ensure safety. At the reprocessing plant, 1! Uranium and rutonium will be recovered from the +, but at the same time, the associated useful waste, including nuclear fission products, etc. will be appropriately disposed of. The thing is Crimpton 85 (
There is only C (hereinafter written as Kl = -85), but this has a long half-life of 10.7 years, so if the amount of nuclear power generation is expected to increase in the future, it will not reach the global scale in the future. Each of the ilj that leads to contamination (1).
How to safely store (1 or dispose of) -85C
be. Conventionally, h9. Side+! 1 Waste nest gas IJ bomb 1
There is a point C problem regarding safe storage over long openings. For example I]
- The force container is regular <2 resistance I'J: %rt high is d1 order C
There is a downside that you will be charged for the laborious and dangerous work such as transferring the scum of the robbers. Doyu '1i7JK l' B!
In addition to the storage method in the power container, IG T, 7L in L'71 Lie 1~
methods such as the ionization implantation fixation method, etc. have been proposed.
However, there is a problem in the practical application of (,1). Compared to the others, it is a more efficient method than the others. Cross-sectional view C゛A), (T's (1 person 1!, Hjl''f is the coaxial 2 cylindrical electrode (Y1 electrode △d) A, Biuchi i;;) electric (4
Consisting of 3), processing power between both electrodes △ and 8)% i
r, 'r people are 4. Immediate operation of swords with 1ξ station distance 1′
(- is divided into 2-steps (1'), and as shown in Fig. 1, in the first step 0, 11 potentials are applied to the outer cylinder electrode △ for the inner type t4iB. Both electrodes A , B between G1-1 = discharge occurs, but the stop gas A1 in the plasma
is accelerated by C toward the outer cylinder electrode Δ, collides with the thunder god A, and is injected into the metal of the nuclear 4@A. In the next second step 'C, as shown in Figure 2, a negative potential is applied to the electrode (3). !-Electric current is generated, but the square switch ∆1 accelerates toward the inner cylinder electrode I3 and hits the surface of the electrode B every i times. At this time, sputter link occurs (-re, The sputtered atoms a scatter to the opposing outer cylinder f6 pole 1..U (;J shield. As a result, the second tube ζ is exposed to the outer wall of the outer cylinder f6). II9 is formed.Continued C
In the first step, the 4A coating is applied to the formed film. In this case, the inner cylinder electrode + 34; I becomes thinner due to sputtering, and the Tato fi electrode △ is due to the sputtered atoms a'6? li! +1! , the formation of i C
The inner wall) becomes 9, and there is a large amount of dregs atoms b (built-in) in that C. This hi71. It is necessary to alternately change the applied voltage, and there are 41 complicated operations! There are 11 points. The target is radioactive waste, such as Kr-8F, in a device that immobilizes it by injecting one ink and one ink (sputtering).
It can be carried out in a controlled manner, or
Middle class? 1: It is an object of the present invention to provide a radioactive gas immobilization processing device that enables ii) 1. Summary of the Invention 1 The present invention provides a first cylindrical electrode, etc., which is airtightly installed within this outer cylindrical electrode via an insulator, and an inner cylindrical electrode, which J? +i and the outer cylindrical electrode 14j, which is installed between the lattice electrode 14j, and the outer cylindrical electrode 14j. 1
Oj: 0 Residual force 1) 1 "1 and the inner cylinder electrode J
The radioactive material is characterized by being equipped with a sputtering power source for applying a sputtering electric current to the grid electrodes and the grid electrodes, and an ion implantation power source for applying an ion injection current to the outer cylindrical electrodes of the grid electrodes. This is a gas immobilization processing device. [Embodiment of the Invention] An embodiment of the radioactive gas immobilization processing device according to the present invention will be described below with reference to FIGS. 3 and 4. 3, the bow 1 has an outer cylindrical shape 117, and the annular insulator 2 and the upper part 3 are airtightly installed at the upper end of the outer cylindrical electrode 1. An annular insulator 4 and an undergarment 5 are installed in the outer cylindrical type (1). The electrodes 6 are airtightly arranged. Furthermore, a cylindrical grid electrode 7 is provided between the inner cylinder electrode 6 and the outer cylinder electrode 4.
Sputtering voltage is applied between Fi7 and sputtering power supply 8, and between grid electrode 7 and outer cylindrical electrode 1.
An injection power supply 9 is provided for applying an injection voltage to the injection voltage. and 411 gas II 1 for exhausting residual gas in the outer cylinder electrode 1.
1 is connected. Further, a water-cooled corrugated tube 12 is wound around the outer circumferential surface of the outer fit electrode 1, and a water-cooled coil 13 through which cold la + water flows as shown by the arrow inside the inner tube electrode G.
．． 14 is attached to one end of the inner cylinder electrode 6. The device according to the present invention has a third coaxial grid electrode 7 between two coaxial IHs, 7 electrics 1 to 1.6. Lily, grid electrode 7, C inner cylinder, i3'', and outer cylinder electrode 1.6 have a negative potential S.
41 is applied to γ. Den+ai (Den II' between 3, J and 7/Mei-\/
2 is glue 1-molding between both electrodes! As shown in Fig. 4, the stop Δn i in Zolazun is determined from the conditions under which the sputtering occurs due to the electric current (inserting the surface of 4t6 L)°C sputtering. The sputtered atoms a pass through the electrode 7 and reach the inner wall of the electrode 1.The potential difference V1 between the electrodes 1, 6, and 6 is
A glow discharge occurs between both electrodes 1 and 3, and the correct ion i
J is determined by the conditions for efficiently injecting into the electrode 1 or the film formed by the deposition of sputtered atoms a. In this way, in the present invention, as indicated by -1, the voltage +i
Optimized letter voltage V + , V 2 in 1.6
By applying /vT', it is possible to continuously cover the cass ions and the treatment. +! I-scum immobilization part 1q! According to the device, by independently applying a negative voltage to the outer cylindrical electrode d3 and the inner cylindrical electrode d3 and the grid electrode, the inner wall surface of the iWt electrode (J ion) 1: enters, Sputtering occurs on the rear right electrode surface C, and as a result, sputtering occurs on the inner wall of the foreign electrode.
'hKf' is deposited and a film is formed.
10Fi to Q) ion's middle class 4'' people. Therefore, it is possible to implement an immobilization treatment apparatus of 110,000 units in a simple manner and continuously.

[Brief explanation of drawings]

Figure 1 shows the main parts of the conventional fixation processing equipment for gando-chiku gas. J horizontal 1tli view, Figure 2 is another 1FII of Figure 1
f+hi ii+! Transverse cross-sectional view for clarity, Figure 3: Immobilization processing device for /I father QJ + lJ sword related to the present invention ill
Part of one embodiment of + is shown in Fig. 1-1.
The figure is a cross-sectional view taken along the line A--A in FIG. 3 in the direction of the arrow. 1......Outer cylinder electrode 2.4...In? Disposal insulation material 3・・・・・・・・・ [Supervisor (5・・・・・・・・・・壬 Amount 6・・・・・・・・・・・・Internal mold 1 to λ7・・・・・・
......Grid-shaped electrode 8...Sputter power source °C]...... (7 IF, 1 person
0......Gas inflow 1'''11...
・・・・・・・・・＋JlkiL1'12・・・・・・・・・
...Serial pipe 13.1/l...Water cooling pipe f11! As a personal attorney, Suyama Sa −

Claims (1)

[Claims] (1) The outer cylindrical electrode, the inner electrode that is airtightly placed (in two stages) within this outer power-saving frame via an insulator, and the inner electrode that is installed between this inner f1 electrode and the outer 61 electric 1 electrode. A lattice-shaped electrode is provided between the lattice-shaped electrode and the cylindrical electrode 11 (J). 1) A spack power supply that applies a spack voltage to the grid-like electrodes above the inner cylindrical electrode d5 and the grid-like electrode.
-Ion electric whale for 21 people that applies human voltage and 4 eyes 11i
What happened! ','J's courage to take it' ↑ (L gas immobilization unit 1111 hTt.