Electrodeposition device for preparing Ni-63 radioactive source

Abstract

The utility model discloses an electro-deposition device for preparing a Ni-63 radioactive source, which comprises an iron stand, the iron stand comprises a carrying transverse plate, the carrying transverse plate is provided with a rotary groove body fixing groove for containing radioactive deposition liquid, a rotary groove body is clamped and mounted on the rotary carrying fixing groove, 12 electro-deposition holes are uniformly distributed on the rotary groove body, and the rotary groove body fixing groove is provided with a plurality of electro-deposition holes. A fixed plug is pressed at the joint of the electro-deposition hole and the outer wall; a vertical positioning rod is fixedly arranged at the tail end of one side of the carrying transverse plate, the vertical positioning rod is provided with a first positioning section and a second positioning section from top to bottom, the first positioning section and the second positioning section are separated through a first limiting disc, and a first transverse rod is arranged on the first positioning section; a second cross rod is arranged on the second positioning section, and a cathode elastic contact is arranged at the tail end of the second cross rod; the device is high in disassembly and assembly efficiency and electro-deposition efficiency, the first-pass yield reaches 100%, generated radioactive waste is little, and the ever-increasing requirement of the society for the Ni-63 radioactive source is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrodeposition equipment, specifically relates to a kind of for the electrodeposition device of preparation Ni-63 radioactive source. BACKGROUND

[0002] Ni-63 radioactive source is that high-purity Ni-63 is uniformly fixed on metal substrate, forms dense, uniform pure beta radioactive source.Ni-63 radioactive source is one of the most widely used low-energy beta radioactive sources in the world at present, has important and extensive application prospect.Especially, current new energy nuclear battery development and application, gas chromatography analysis and liquid chromatography analysis electron capture detector, customs explosive mass spectrometer detector and high-sensitivity leak detector and multiple application fields such as urgent need of Ni-63 pure beta radioactive source.Because the range of beta particle is short, therefore, when preparing beta radioactive source, the self-absorption of source must be considered, and the main method for Ni-63 pure beta radioactive source is electrodeposition method.

[0003] Gas chromatography is a commonly used analytical technique for separating and detecting different components in gases or volatile liquids.In gas chromatography, after sample is separated by chromatographic column, different detectors are usually used to detect components.These detectors include mass spectrometry detector (MS), flame ionization detector (FID) and electron capture detector (ECD) and so on.In gas chromatography, Ni-63 radioactive source is used as the radioactive source of electron capture detector.ECD is a high-sensitivity detector, especially suitable for detecting electronegative compounds, such as halogenated hydrocarbons, oxygen-containing organic compounds and nitrogen-containing compounds, etc.In ECD, beta particles (electrons) released by Ni-63 interact with molecules in mobile phase.When electronegative molecules pass through detector, they will capture beta particles, resulting in the change of electric current, which is recorded by detector.This interaction makes ECD have very high sensitivity to electronegative compounds.The size of ECD using Ni-63 radioactive source is 30×10×0.1mm, and the source is that high-purity Ni-63 is electrodeposited on one side of nickel sheet, rolled into cylindrical shape, and then put into ECD cell.

[0004] The traditional preparation of Ni-63 radioactive source for ECD is to use a single-hole electroplating tank, for example, the utility model patent "a radioactive source electrodeposition device", application number 202323083492.9, the utility model includes a tank body, a cathode assembly, the tank body includes a first component and a second component, the first component and the second component are detachably connected, at least one of the first component and the second component is provided with a first groove with a top opening, the first groove is placed with an anode through a fixed support, the first component and the second component are provided with a second groove and an electrodeposition liquid contact hole at the joint position, the electrodeposition liquid contact hole is connected with the second groove and the first groove, and the electrodeposition liquid contact hole and the second groove are connected with a limiting step; the cathode assembly is arranged in the second groove, and the limiting step limits the cathode assembly. The utility model limits the modularized cathode assembly in the second groove, after the first component and the second component are disassembled, the cathode assembly is replaced for the second electrodeposition, which has the advantages of convenient disassembly, high production efficiency.

[0005] The above-mentioned utility model installs the groove for electrodeposition in a flat manner, and a single-hole tank is used in the electrodeposition process. The production mode will face the following problems:

[0006] (1) There is a risk of spilling during the pouring of the electrodeposition liquid, and the flat groove is easy to produce uneven electrodeposition liquid, resulting in uneven product quality; (2) The size of the single groove is large, so that the size of the source sheet is large, resulting in long electrodeposition time, so the efficiency of electrodeposition is low and the quality of the source sheet is not high, thereby increasing the production cost of the product and producing more radioactive waste; (3) Radioactive metal powder is produced during the cutting process of the source sheet, resulting in radioactive aerosol, and the workers are at risk of internal radiation. Utility model content

[0007] In view of the deficiencies in the prior art, the utility model provides an electrodeposition device for preparing a Ni-63 radioactive source. The device carries the electrodeposition source sheet by rotating the tank body opening, deposits a single nickel sheet by rotating the tank body, completes the electrodeposition process of a nickel sheet, rotates the tank body, and performs electrodeposition of the next nickel sheet until the entire electrodeposition process is completed.

[0008] The utility model discloses a kind of for preparing Ni-63 radioactive source's electrodeposition device, including iron stand, the iron stand includes object carrying cross plate, rotatable rotating groove is installed on the object carrying cross plate, several electrodeposition holes are evenly distributed on the outer wall of rotating groove body, radioactive deposition liquid is contained in rotating groove body and deposition liquid liquid level is over electrodeposition hole upper edge;Each described electrodeposition hole is installed with a deposition source sheet, the inside of deposition source sheet is in contact with deposition liquid, the outside of deposition source sheet is equipped with the fixed plug for fixing deposition source sheet;The side of object carrying cross plate is equipped with vertical positioning rod, vertically sliding first cross bar and second cross bar are equipped on vertical positioning rod, horizontally sliding first vertical rod is equipped on the first cross bar, anode sheet is fixed in the tail end of the first vertical rod, one end of anode sheet is connected to the positive pole of direct current stabilized power supply, and the other end is immersed in deposition liquid;Cathode elastic contact is installed in the tail end of the second cross bar, one end of cathode elastic contact is connected to the negative pole of direct current stabilized power supply, in the process of rotating of rotating groove body, the other end of cathode elastic contact can be in turn abutted on annularly distributed fixed plug, anode sheet is arranged in parallel with the deposition source sheet of abutted cathode elastic contact, to form direct current stabilized deposition circuit of anode sheet-electrodeposition liquid-deposition source sheet-fixed plug-cathode elastic contact.

[0009] Iron stand and object carrying cross plate are used for the relative fixation of the position of each component of the device, increase the stability of the working process of the device;Rotating groove body provides electrodeposition site, the height of the electrodeposition process is adaptively adjusted by first cross bar and second cross bar, so that the electrodeposition surface coverage of nickel source sheet is greater in the electrodeposition process, the electrodeposition efficiency is improved, rotating groove body is evenly distributed with electrodeposition hole, a small size nickel source sheet can be placed in a single opening for electrodeposition, the electrodeposition of smaller size nickel source sheet is limited by the size of the opening, so that the electrodeposition time is shorter, the electrodeposition efficiency is higher, the quality of the deposited nickel source sheet is higher, and the nickel source sheet after electrodeposition processing does not need to be cut, thereby radioactive aerosol is not generated, and the health and safety of workers are protected.

[0010] As a further improvement of the utility model, the rotating groove body is a cylindrical structure with an open upper end, the rotating groove body includes a base and a vertical groove wall, a plurality of electrodeposition holes are evenly distributed on the vertical groove wall, the electrodeposition holes include a first groove and a second groove from the outside to the inside, the first groove and the second groove are in communication with each other to form a stepped structure, a rubber gasket is placed at the connection between the first groove and the second groove, and a rubber gasket is placed at the connection between the first groove and the second groove, which is in close contact with the deposition source sheet, conductive glue is attached to the outer surface of the deposition source sheet, and the fixed plug is tightly installed on the conductive glue.

[0011] As a further improvement of the utility model, the fixed plug is a concave structure, the fixed plug includes fixed plug arc upper ends on both sides and a fixed plug groove in the middle, the fixed plug arc upper end is provided with a cathode contact surface, the fixed plug groove is provided with an arc fastening surface, the fixed plug is connected on the surface of the arc fastening surface through a fixed tight hoop and is fixed on the outer surface of the vertical groove wall of the rotary groove body.

[0012] As a further improvement of the utility model, the fixed plug arc upper end is provided with arc-shaped chamfer structures on both sides, the cathode contact surface is arranged between the arc-shaped chamfer structures on both sides, the cathode contact surface adopts an outward convex arc structure, the outward convex angle of the cathode contact surface is 5°-10°, and the fixed tight hoop and the arc fastening surface are closely mounted.

[0013] As a further improvement of the utility model, the cathode elastic contact point includes a positioning frame body, the positioning frame body is provided with a wire hole at the upper end, the inside of the positioning frame body is a cuboid cavity, a limiting conductive block is arranged on the inner wall of the side of the cuboid cavity away from the second horizontal rod, an elastic connecting rod is arranged on the limiting conductive block, the elastic connecting rod penetrates through one side of the positioning frame body to form a connecting through hole, a hemispherical contact point is arranged at the end of the elastic connecting rod, and the height position of the hemispherical contact point corresponds to the cathode contact surface of the fixed plug arc upper end; another side of the elastic connecting rod away from the hemispherical contact point is further connected with a power supply wire, and the power supply wire is connected with the negative electrode of the external direct-current stabilized power supply after penetrating through the wire hole.

[0014] As a further improvement of the utility model, the vertical positioning rod is respectively provided with a first positioning section and a second positioning section from top to bottom, the first positioning section and the second positioning section are separated by a first limiting disc, the first positioning section is provided with a first horizontal rod, and the second positioning section is provided with a second horizontal rod; the first positioning section includes a vertical sliding rod, a vertical sliding block is slidably arranged on the vertical sliding rod, the vertical sliding block is fixed on the vertical sliding rod through a fixed pressing block, and the upper end of the vertical sliding rod is provided with a second limiting disc.

[0015] As a further improvement of the utility model, the first horizontal rod is welded and fixed on the vertical sliding block, the first horizontal rod is provided with a horizontal sliding block, a first vertical rod is mounted on the lower end of the horizontal sliding block, the horizontal sliding block drives the first vertical rod to horizontally slide, and the end of the first vertical rod is provided with a clamping clamp, and the first vertical rod is clamped and fixed through the clamping clamp.

[0016] As a further improvement of the utility model, the rotary groove body adopts organic glass material, and the fixed plug adopts red copper material.

[0017] As a further improvement of the utility model, the rotary groove body adopts organic glass material, the material of the anode sheet adopts platinum, and the shape of the anode sheet is rectangular.

[0018] As a further improvement of the utility model, the deposition liquid is sucked by a peristaltic pump and introduced into the rotary tank.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] (1) The electrodeposition tank only needs one clamp for fixing, is convenient to install and disassemble, and has high disassembly and assembly efficiency;

[0021] (2) The peristaltic pump is used to suck the electrodeposition liquid into the rotary tank, and there is no risk of spilling;

[0022] (3) The processed nickel source sheet has small size, short electrodeposition time, high electrodeposition efficiency, and good quality of the electrodeposited source sheet;

[0023] (4) The rotary tank with a cylindrical structure uniformly performs the electrodeposition process on the nickel source sheet in the rotating process, a single opening can place a small-size nickel source sheet for electrodeposition, the electrodeposition of the nickel source sheet with small size is limited by the opening size, so that the electrodeposition time is shorter, the electrodeposition efficiency is higher, the quality of the electrodeposited nickel source sheet is higher, the nickel source sheet after the electrodeposition process does not need to be cut, thereby no radioactive aerosol is generated, the health and safety of workers are protected, the activity one-time qualified rate of the nickel source sheet is 100%, the production cost of the product is reduced, and the generation of radioactive waste and waste is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a cross-sectional view of the electrodeposition device of the utility model;

[0026] Figure 3 It is a cross-sectional view and a top view of the rotary tank of the utility model;

[0027] Figure 4 It is a three-dimensional structure schematic view of the fixed plug of the utility model;

[0028] Figure 5 It is a cross-sectional view and a top view of the fixed plug of the utility model;

[0029] Figure 6 It is a cross-sectional view of the cathode elastic contact of the utility model;

[0030] Figure 7 It is a top view of the source sheet and the rubber gasket of the utility model;

[0031] Figure 8 It is a top view of the anode sheet of the utility model.

[0032] In the figure: 1-iron stand; 11- object transverse plate; 12-rotary groove fixed groove; 13-vertical positioning rod; 131-first positioning section; 132-second positioning section; 133-first limiting disc; 134-second limiting disc; 135-first cross rod; 136-second cross rod; 137-cross sliding block; 138-first vertical rod; 139-clamping clamp; 14-anode sheet; 2-rotary groove; 21-electrodeposition hole; 211-first groove; 212-second groove; 22-base; 23-vertical groove wall; 3-fixed plug; 31-fixed plug circular arc upper end; 311-cathode contact surface; 312-chamfer structure; 32-fixed plug groove; 321-circular arc fastening surface; 33-fixed fastening hoop; 4-cathode elastic contact; 41-positioning frame body; 411-wire hole; 412-cuboid cavity; 413-connection through hole; 42-limiting conductive block; 43-elastic connecting rod; 44-hemispherical contact; 51-vertical sliding rod; 52-vertical sliding block; 53-fixed pressing block; 6-deposition source sheet; 7-rubber gasket. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. The present application will be described in further detail below in combination with the drawings:

[0034] As Figures 1-8The utility model provides a kind of electrodepositing device for preparing Ni-63 radioactive source, including iron stand 1, including iron stand 1, iron stand 1 includes carrying horizontal plate 11, rotatable rotating groove 2 is installed on carrying horizontal plate 11, several electrodepositing holes 21 are uniformly distributed on the outer wall of rotating groove 2, and radioactive deposition liquid is contained in rotating groove 2 and deposition liquid liquid level is over the upper end of electrodepositing hole 21;A deposition source sheet 6 is installed in each electrodepositing hole 21, the inner side of deposition source sheet 6 is in contact with deposition liquid, and the outside of deposition source sheet 6 is equipped with the fixed plug 3 for fixing deposition source sheet 6;The side of carrying horizontal plate 11 is equipped with vertical positioning rod 13, and the first cross bar 135 and the second cross bar 136 that can longitudinally slide are equipped on vertical positioning rod 13, the first vertical rod 138 that can horizontally slide is equipped on the first cross bar 135, and the anode sheet 14 is fixed to the end of the first vertical rod 138, one end of the anode sheet 14 is connected to the positive pole of direct current stabilized power supply, and the other end is immersed in deposition liquid;The cathode elastic contact 4 is installed at the end of the second cross bar 136, one end of the cathode elastic contact 4 is connected to the negative pole of direct current stabilized power supply, and the other end of the cathode elastic contact 4 can be sequentially abutted on the fixed plug 3 of annular distribution in the process of rotating of rotating groove 2, the anode sheet 14 is arranged in parallel with the deposition source sheet 6 of the cathode elastic contact 4, and the direct current stabilized deposition circuit of the anode sheet 14-electrodepositing liquid-rubber gasket 7-deposition source sheet 6-fixed plug 3-cathode elastic contact 4 is formed.

[0035] In the installation process, the vertical positioning rod 13 is inserted and fixed on one side of the carrying horizontal plate 11, the rotating groove 2 is placed on the rotating groove fixing groove 12, the rotating groove 2 is provided with a rotating groove, the opposite position of the rotating groove fixing groove 12 is provided with a through hole with the same size as the rotating groove, the driving motor is installed at the bottom of the carrying horizontal plate 11, the driving end of the driving motor passes through the through hole and is connected with the fixed groove, the height of the first cross bar 135 and the second cross bar 136, the horizontal position of the first vertical rod 138 and the relative position of the first fixed plug 3 and the cathode elastic contact 4 are adjusted respectively, so that the cathode elastic contact 4 is communicated with the first fixed plug 3, the anode plate extends into the inside of the rotating groove 2 and is opposite to the electrodepositing groove, the peristaltic pump is opened to suck the electrodepositing liquid into the inside of the rotating groove 2, so that the electrodepositing liquid is over the upper end of the electrodepositing hole 21.

[0036] After completing the installation, the direct current stabilized power supply and the driving motor are opened, the direct current stabilized deposition circuit of the anode sheet 14-electrodepositing liquid-rubber gasket 7-deposition source sheet 6-fixed plug 3-cathode elastic contact 4 carries out the first electrodepositing processing, the driving motor is continuously rotated in the processing process, so that the cathode elastic contact 4 gradually separates from the first fixed plug 3 and then is connected with the next fixed plug 3 to carry out the next electrodepositing processing, until the rotating groove 2 rotates one round, the direct current stabilized power supply and the driving motor are closed, the rotating groove 2 stops rotating, the fixed clamp 33 and the fixed plug 3 are sequentially disassembled, the deposition source sheet 6 that completes the processing is taken out, and the whole electrodepositing processing process is completed.

[0037] Specifically:

[0038] As Figures 1-4 shown, the rotating groove body 2 includes a base 22 and a vertical groove wall 23, and the vertical groove wall 23 is uniformly distributed with 12 electrodeposition holes 21, the electrodeposition hole 21 includes a first groove 211 and a second groove 212 from outside to inside, wherein the size of the first groove 211 is larger than that of the second groove 212, the first groove 211 and the second groove 212 are communicated with each other to form a stepped structure, and a rubber gasket 7 is arranged at the connection of the first groove 211 and the second groove 212; the connection of each electrodeposition hole 21 and the vertical groove wall 23 forms a circular arc curved surface through hole, and a 30*10*0.1mm nickel sheet can be arranged at each electrodeposition hole 21 for electrodeposition processing, the rubber gasket 7 is arranged at the connection of the first groove 211 and the second groove 212, and a deposition source sheet 6 is arranged at the connection of the first groove 211 and the outer surface of the vertical groove wall 23, the outer surface of the deposition source sheet 6 is attached with conductive glue, and the conductive glue is fixedly installed with a fixed plug 3, so that the fixed plug 3, the conductive glue, the deposition source sheet 6 and the rubber gasket 7 are arranged outside to inside in each point deposition hole, and the components are tightly connected and fixed with each other.

[0039] The cylindrical structure enables the rotating groove body 2 to uniformly perform the electrodeposition process on the nickel source sheet during rotation, and the curved surface structure of the electrodeposition hole 21 and the close installation of the nickel source sheet can make the fixed plug 3 uniformly pressed on the cathode surface of the nickel source sheet after power-on, the first groove 211 and the second groove 212 are both cuboid grooves, and the mutual communication and the formation of the stepped structure can better fix the rubber gasket 7 and the deposition source sheet 6, thereby improving the efficiency of the electrodeposition process; the conductive glue fixes the fixed plug 3 and the deposition source sheet 6 together and plays a role of conducting electricity, the fixed plug 3 is tightly attached to the surface of the deposition source sheet 6 through the conductive glue, which can directly make the electric charges on the cathode surface of the deposition source sheet 6 uniformly distributed and improve the diffusion speed of the electric charges, thereby improving the efficiency and activity of the electrodeposition process.

[0040] Further, in order to improve the production efficiency, the rotating groove body 2 in the utility model is driven by the rotating groove fixing groove 12 to rotate axially, and after the electrodeposition processing of one nickel source sheet is completed, the rotating groove body 2 is horizontally rotated by 30° to perform the electrodeposition of the next nickel source sheet, until the whole electrodeposition processing is completed, and the distance between the two nickel source sheets is short, which greatly improves the number of processable nickel source sheets in one electrodeposition processing.

[0041] Further, the first positioning section 131 comprises a vertical sliding rod 51, a vertical sliding block 52 is slidably arranged on the vertical sliding rod 51, the vertical sliding block 52 is fixed on the vertical sliding rod 51 through a fixed pressing block, and a second limiting disc 134 is arranged at the top of the upper end of the vertical sliding rod 51; a first horizontal rod 135 is welded and fixed on the vertical sliding block 52, a transverse sliding block 137 is arranged on the first horizontal rod 135, a first vertical rod 138 is installed at the lower end of the transverse sliding block 137, a clamping clamp 139 is arranged at the end of the first vertical rod 138, and the anode sheet 14 is clamped with the first vertical rod 138 through the clamping clamp 139.

[0042] The vertical sliding rod 51 and the first limiting disc 133 limit the longitudinal sliding range of the first horizontal rod 135, the vertical sliding block 52 can determine the horizontal position of the first horizontal rod 135, the second limiting disc 134 installed at the top of the first positioning section 131 is used for limiting the vertical sliding block 52 in the longitudinal direction to prevent the vertical sliding block 52 from being disengaged during position adjustment; the fixed frame body 521 fixes the first horizontal rod 135 through the lateral fixing groove 522, the transverse sliding block 137 can change the horizontal position of the first vertical rod 138 on the first horizontal rod 135, and the distance between the anode plate and the deposition groove is affected by changing the position of the first vertical rod 138, thereby affecting the electrodeposition efficiency as required.

[0043] Further, the first horizontal rod 135 supports the first vertical rod 138, and the first horizontal rod 135 is provided with uniform scales, the horizontal position of the first vertical rod 138 can be adjusted according to the scales by the transverse sliding block 137, so that the anode sheet 14 can move freely in the horizontal direction along with the first vertical rod 138, the distance between the anode sheet 14 and the cathode sheet is adjusted according to the scales by the first vertical rod 138, thereby controlling the deposition rate, wherein the structure of the anode sheet 14 is as shown in Figure 8 .

[0044] Further, as shown in Figures 4-5 , the fixed plug 3 in the utility model adopts a concave structure, the fixed plug 3 is a concave structure, the fixed plug 3 comprises fixed plug arc upper ends 31 on both sides and a fixed plug groove 32 in the middle, the fixed plug arc upper ends 31 are provided with a cathode contact surface 311, the fixed plug groove 32 is provided with an arc fastening surface 321, and the fixed plug 3 is fixed on the outer surface of the vertical groove wall 23 of the rotating groove body 2 through a fixed clamp 33; in the actual installation and use process, the fixed plug 3 in the compressed state keeps the fixed plug 3, the conductive glue, the deposition source sheet 6 and the rubber gasket 7 in close contact, and the specific structure is as shown in Figure 7 .

[0045] Further, the fixed plug arc upper end 31 is provided with arc-shaped chamfer structure 312 on both sides, and the cathode contact surface 311 is arranged between the arc-shaped chamfer structure 312 on both sides, the cathode contact surface 311 adopts an outward convex arc structure, the outward convex angle of the cathode contact surface 311 is 5°-10°, and the fixed clamp 33 and the arc fastening surface 321 are tightly installed.

[0046] The cathode contact surface 311 of the fixed plug arc upper end 31 in the utility model is used for corresponding the cathode elastic contact 4, can better keep power supply communication in the process of electrodeposition, and the arc fastening surface 321 of the fixed plug groove 32 can be better fixed on the outer wall of the rotary groove body 2 by the fixed clamp; the relative fixation of the single electrodeposition groove and the single fixed plug 3 only uses one fixed clamp to be horizontally fixed, and the dismounting efficiency is high; the arc-shaped chamfer structure 312 on both sides of the fixed plug arc upper end 31 can reduce stress concentration of the fixed plug 3 and improve the metal strength of the fixed plug 3; after the fixed plug arc upper end 31 and the cathode elastic contact 4 are contacted and electrified, a certain heat is generated, and in the process of generating electric heat, the arc-shaped chamfer structure 312 cooperates with the outward convex arc structure cathode contact surface 311, the arc structure helps to release internal stress and redistribute the internal organizational structure of the part, so that the fixed plug 3 is prevented from being deformed due to electrification and heat generation.

[0047] Further, the arc-shaped chamfer angle on both sides of the cathode contact surface 311 is controlled to be between 75°-90°, and is respectively recorded as sliding-in chamfer and sliding-out chamfer according to the rotating direction of the rotary groove body 2, and the angle of the sliding-out chamfer is less than that of the sliding-in chamfer; wherein the sliding-in chamfer realizes guiding the cathode elastic contact 4 to stably slide into the cathode contact surface 311 and contact and electrify with the fixed plug arc upper end 31 in the rotating process of the rotary groove body 2, and then reduces rigid collision of the cathode elastic contact 4 when contacting with the plurality of fixed plugs 3 one by one, and prolongs the service life of the single cathode elastic contact 4; the sliding-out chamfer realizes guiding the cathode elastic contact 4 to stably slide out of the cathode contact surface 311 and disconnect and de-energize with the fixed plug arc upper end 31 in the rotating process of the rotary groove body 2.

[0048] Further, as shown in the fixed plug arc upper end 31 is provided with arc-shaped chamfer structure 312 on both sides, and the cathode contact surface 311 is arranged between the arc-shaped chamfer structure 312 on both sides, the cathode contact surface 311 adopts an outward convex arc structure, the outward convex angle of the cathode contact surface 311 is 5°-10°, and the fixed clamp 33 and the arc fastening surface 321 are tightly installed. Figure 6 Further, as shown in the fixed plug arc upper end 31 is provided with arc-shaped chamfer structure 312 on both sides, and the cathode contact surface 311 is arranged between the arc-shaped chamfer structure 312 on both sides, the cathode contact surface 311 adopts an outward convex arc structure, the outward convex angle of the cathode contact surface 311 is 5°-10°, and the fixed clamp 33 and the arc fastening surface 321 are tightly installed. Further, as shown in the fixed plug arc upper end 31 is provided with arc-shaped chamfer structure 312 on both sides, and the cathode contact surface 311 is arranged between the arc-shaped chamfer structure 312 on both sides, the cathode contact surface 311 adopts an outward convex arc structure, the outward convex angle of the cathode contact surface 311 is 5°-10°, and the fixed clamp 33 and the arc fastening surface 321 are tightly installed. Further, as shown in the fixed plug arc upper end 31 is provided with arc-shaped chamfer structure 312 on both sides, and the cathode contact surface 311 is arranged between the arc-shaped chamfer structure 312 on both sides, the cathode contact surface 311 adopts an outward convex arc structure, the outward convex angle of the cathode contact surface 311 is 5°-10°, and the fixed clamp 33 and the arc fastening surface 321 are tightly installed.

[0049] The positioning frame 41 plays a positioning role for the horizontal displacement of the elastic connecting rod 43 during the contact of the cathode elastic contact 4 with the cathode contact surface 311, reduces the positional deviation of the elastic connecting rod 43 due to the continuous contact-disengagement action of the cathode elastic contact 4 with the fixed plug 3, and improves the stability of the electrodeposition process; the cuboid cavity inside the positioning frame 41 plays a buffering role for the horizontal displacement of the elastic connecting rod 43, reducing the rigid deformation of the device caused by the mutual contact between the parts; the wire hole 411 is used to access the wire, so that the entire cathode elastic contact 4 is electrified; the limiting conductive block 42 can fix the elastic connecting rod 43 outside the positioning frame 41, keep the position of the elastic connecting rod 43 stable, and improve the stability of the electrodeposition process.

[0050] As shown in Figures 2-7 As shown in FIG. 1, in actual installation and use, the rotating groove body 2 containing the deposition liquid is placed in the rotating groove body fixed groove 12, the rotating groove body 2 is provided with an opening at the top to form a cylindrical structure, the vertical groove wall 23 of the rotating groove body 2 is provided with 12 evenly distributed electrodeposition holes 21, the fixed plug 3, the conductive glue, the deposition source sheet 6, and the rubber gasket 7 are arranged and fixed in the electrodeposition hole 21 from the outside to the inside, and the four are fixed on the outer surface of the vertical groove wall 23 through the fixed ferrule 33; the iron stand 1 adjusts the horizontal height of the first vertical rod 138 through the first horizontal rod 135, the first vertical rod 138 is clamped at the end with the anode sheet 14, the first horizontal rod 135 is provided with uniform scales, and the iron stand 1 adjusts the horizontal height of the cathode elastic contact 4 through the second horizontal rod 136; the surface of the upper end 31 of the fixed plug arc is provided with a cathode contact surface 311, the cathode contact surface 311 is in direct contact with the cathode elastic contact 4, the cathode elastic contact 4 is fixedly installed on the second horizontal rod 136, the cathode elastic contact 4 is externally provided with a positioning frame 41, the positioning frame 41 is provided with a wire hole 411, one end of the electrified wire is connected to a stabilized DC power supply, the other end passes through the wire hole 411 and is connected to the elastic connecting rod 43 on the cathode elastic contact 4, and the cathode is electrified; the first vertical rod 138 adjusts the horizontal position of the anode sheet 14 according to the uniform scales on the first horizontal rod 135, and then adjusts the distance between the anode sheet 14 and the cathode elastic contact 4, thereby controlling the electrodeposition process.

[0051] Further, in actual installation, the anode sheet 14 is deeply immersed in the deposition liquid from the top of the rotating groove body 2, and the anode sheet 14 is parallel to the deposition source sheet 6 in position.

[0052] Further, during actual installation, the fixed plug 3, the deposition source sheet 6 and the anode sheet 14 are placed into the groove body, the fixed plug 3 is tightly fixed by a clamp, and then the electro-deposition processing work is carried out; during the electro-deposition processing, after one electro-deposition source sheet 6 is electro-deposited, the rotary groove body 2 is rotated, the electro-deposition of the next deposition source sheet 6 is carried out, until the electro-deposition of the 12 deposition source sheets 6 is completed, the fixed plug 3 is opened, the deposition source sheet 6 is taken out from the rotary groove body 2, and the electro-deposition processing is completed.

[0053] Further, the rotary groove body 2 is made of organic glass, and the fixed plug 3 is made of red copper.

[0054] Further, the anode sheet 14 is made of platinum, and the anode sheet 14 is in the shape of a rectangle.

[0055] The above is only the preferred embodiment of the present application, and is not used for limiting the present application, for the person skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An electrodeposition device for preparing a Ni-63 radioactive source, characterized by: The invention comprises an iron frame (1), wherein the iron frame comprises a loading horizontal plate (11), a rotatable rotating trough (2) is mounted on the loading horizontal plate, a plurality of electroplating holes (21) are evenly distributed on the outer wall of the rotating trough, the rotating trough is filled with radioactive deposition liquid and the surface of the deposition liquid is not higher than the upper edge of the electroplating hole; a deposition source piece is mounted in each of the electroplating holes, the inner side of the deposition source piece is in contact with the deposition liquid, and the outer side of the deposition source piece is provided with a fixing plug for fixing the deposition source piece; a vertical positioning rod (13) is provided on one side of the loading horizontal plate, and a first cross bar and a second cross bar which can slide longitudinally are provided on the vertical positioning rod, so that the deposition source piece can be fixed to the loading horizontal plate. The first horizontal bar is provided with a first vertical bar capable of sliding horizontally, an anode plate (14) is fixed at the end of the first vertical bar, one end of the anode plate is connected to the positive pole of the DC voltage-stabilized power supply, and the other end is immersed in the deposition liquid; a cathode elastic contact is installed at the end of the second horizontal bar, one end of the cathode elastic contact is connected to the negative pole of the DC voltage-stabilized power supply, and during the rotation of the rotating trough body, the other end of the cathode elastic contact can be sequentially abutted against the annularly distributed fixed plugs, and the anode plate is arranged in parallel with the deposition source plate abutting against the cathode elastic contact to form a DC voltage-stabilized deposition circuit of anode plate-electrodeposition liquid-deposition source plate-fixed plug-cathode elastic contact.

2. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 1, characterized in that: The rotating trough body is a cylindrical structure with an open upper end, and comprises a base (22) and a vertical trough wall (23). Twelve electrodeposition holes are evenly distributed on the vertical trough wall. The electrodeposition holes comprise a first groove (211) and a second groove (212) from the outside to the inside. The first groove and the second groove are interconnected to form a stepped structure. A rubber gasket (7) tightly attached to a deposition source sheet is placed at the connection between the first groove and the second groove. Conductive glue is attached to the outer surface of the deposition source sheet, and a fixing plug is fastened to the conductive glue.

3. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 2, characterized in that: The fixing plug is a concave-shaped structure, comprising arc upper ends (31) of the fixing plug on both sides and a fixing plug groove (32) in the middle. The arc upper ends of the fixing plug are provided with a cathode contact surface (311), and the fixing plug groove is provided with an arc fastening surface (321). The fixing plug is fixed to the outer surface of the vertical groove wall of the rotating groove body through a fixing clamp (33). The fixing plug is fixed to the outer surface of the vertical groove wall of the rotating groove body by being sleeved on the arc fastening surface through the fixing clamp.

4. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 3, characterized in that: Arc-shaped chamfered structures (312) are provided on both sides of the upper end of the fixed plug arc, the cathode contact surface is arranged between the arc-shaped chamfered structures on both sides, the cathode contact surface adopts an outwardly convex arc-shaped structure, the outward convex angle of the cathode contact surface is 5° to 10°, and the fixed clamp and the arc fastening surface are tightly mounted.

5. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 1 or 3, characterized in that: The cathode elastic contact comprises a positioning frame (41), a wire hole (411) is provided at the upper end of the positioning frame, a rectangular cavity (412) is provided inside the positioning frame, a limiting conductive block (42) is provided on the inner wall of the rectangular cavity away from the second crossbar, an elastic connecting rod (43) is provided on the limiting conductive block, the elastic connecting rod passes through one side of the positioning frame to form a connecting through hole (413), a hemispherical contact (44) is provided at the end of the elastic connecting rod, the height position of the hemispherical contact corresponds to the cathode contact surface of the upper end of the fixed plug arc; the other side of the elastic connecting rod away from the hemispherical contact is also connected to a power conducting wire, and the power conducting wire is connected to the negative pole of an external DC regulated power supply after passing through the wire hole.

6. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 1, characterized in that: The vertical positioning rod is provided with a first positioning section (131) and a second positioning section (132) from top to bottom, respectively. The first positioning section and the second positioning section are separated by a first limiting plate (133). The first positioning section is provided with a first cross bar (135), and the second positioning section is provided with a second cross bar (136); the first positioning section includes a vertical sliding rod (51), a vertical sliding block (52) is slidably provided on the vertical sliding rod, and the vertical sliding block is fixed to the vertical sliding rod by a fixed pressure block (53), and a second limiting plate (134) is provided at the top of the upper end of the vertical sliding rod.

7. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 1 or 6, characterized in that: The first crossbar (135) is welded and fixed on the vertical sliding block (52). A transverse sliding block (137) is provided on the first crossbar. A first vertical bar (138) is installed at the lower end of the transverse sliding block. The transverse sliding block drives the first vertical bar to slide horizontally. A clamping clip (139) is provided at the end of the first vertical bar. The first vertical bar clamps and fixes the anode sheet through the clamping clip.

8. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 1, characterized in that: The rotating trough body is made of organic glass, and the fixing plug is made of copper.

9. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 1, characterized in that: The anode piece is made of platinum and has a rectangular shape.

10. The electrodeposition device for preparing a Ni-63 radioactive source according to claim 1, characterized in that: The sedimentation liquid is sucked by a peristaltic pump and passed into the interior of the rotating tank.

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