CN1109350C - System for transportation and dividing package opevation of radio isotope - Google Patents
System for transportation and dividing package opevation of radio isotope Download PDFInfo
- Publication number
- CN1109350C CN1109350C CN99101564A CN99101564A CN1109350C CN 1109350 C CN1109350 C CN 1109350C CN 99101564 A CN99101564 A CN 99101564A CN 99101564 A CN99101564 A CN 99101564A CN 1109350 C CN1109350 C CN 1109350C
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- China
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- casing
- fixed
- power supply
- radioactive isotope
- supply jar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Vacuum Packaging (AREA)
Abstract
The present invention relates to an operation system for the conveying and the split charging of radioactive isotopes, which is composed of a lifting device, a conveying device and a split charging device, wherein upright shafts 7 are fixedly welded on both ends of a vertical beam 6 of the lifting device, and both the two ends of the vertical beam 6 are fixed on the ground and a steel plate 13 by a bearing seat 9; a box body 38 of the conveying device is arranged on a trackway 33 by a wheel 34, a clamping chuck 22 is arranged on the box body 38, and a mechanical hand 70 and a split charging can 58 are fixed on a box body 76 of the split charging device; the conveying device is fixed to the lower surface of a cross beam 1 of the lifting device, and the split charging device is fixed to the upper surface of the front end of the trackway 33 of the conveying device. The present invention has the characteristics of good protective property, safe operation, direct viewing for operation process, exact targeting and convenient checking and maintenance.
Description
Technical field: the present invention relates to a kind of radioactive isotope that human body is produced radiation that prevents and transport the packaging operation technology.
Background technology: having radioisotopic loading and unloading now, having transported is to lift by operator people's spanner greatly, exist labour intensity greatly, easily have an accident, the shortcoming of working the mischief for the person and environment, there is complex structure in packaging device, accurate packing operation difficulty is finished, and handles radioactivity pickup poor performance, the interior easy-to-rust, running time is long, shortcomings such as barrier propterty difference.
Summary of the invention: the objective of the invention is to develop that a cover radioactive isotope loads and unloads, transports, the operating system of packing, it can be to radioisotopic loading and unloading, put, promote, transport, packing all realizes mechanization, it should have rational in infrastructure, flexible operation, reliable in action, smooth running, put in place accurately, packaging operation is simple, can good treatment radioactivity pickup, interior be difficult for corrosion, and barrier propterty is good, the characteristics that are difficult for having an accident.The present invention is made up of radioactive isotope power supply jar lifting gear 87, radioactive isotope power supply jar conveyer 88, radioactive isotope power supply jar packaging device 89 3 parts; Radioactive isotope power supply jar lifting gear 87 mainly is made up of crossbeam 1, vertical beam 6, electric block 2; The lower end of vertical beam 6 is fixed on the ground in this operating system left side, and crossbeam 1 is fixed on the vertical beam 6, and electric block 2 was arranged on crossbeam 1 following.Radioactive isotope power supply jar packaging device 89 mainly is made up of casing 76, extraction radioactive source and uncork lid mechanism 89-1, radioactive isotope power supply jar body-packing 89-2; Extraction radioactive source bottle and uncork lid mechanism 89-1 are arranged on the left upper end in the casing 76, and radioactive isotope power supply jar body-packing 89-2 is arranged on the upper right side in the casing 76, and radioactive isotope power supply jar packaging device 89 is arranged on the right side of this operating system.Radioactive isotope power supply jar conveyer 88 mainly is made up of travel mechanism 88-1, radioactive isotope power supply jar clamp system 88-2, travel mechanism 88-1 is installed in the lower end between radioactive isotope power supply jar lifting gear 87 and the radioactive isotope power supply jar packaging device 89, and radioactive isotope power supply jar clamp system 88-2 is arranged on the casing 38 of travel mechanism 88-1.The present invention has designed radioisotopic lifting, conveyer, make this operation substitute craft by machinery, not only alleviated operator's labour intensity, and improved work efficiency, personal safe protection to operating personnel also is guaranteed, the radioactive isotope packaging device, and design more becomes reasonable, casing liner anti-corrosion degree obviously improves, and Robot actions freely.That the present invention has is rational in infrastructure, flexible operation, smooth running, reliable in action, put in place accurately, advantage that barrier propterty is good.
Description of drawings: Fig. 1 is an one-piece construction synoptic diagram of the present invention, Fig. 2 is the structural representation of radioactive isotope power supply jar lifting gear 87, Fig. 3 is the structural representation of radioactive isotope power supply jar conveyer 88, Fig. 4 is the main cut-open view of radioactive isotope power supply jar packaging device 89, and Fig. 5 is the sectional view of radioactive isotope power supply jar packaging device 89.
Embodiment: present embodiment is made up of radioactive isotope power supply jar lifting gear 87, radioactive isotope power supply jar conveyer 88, radioactive isotope power supply jar packaging device 89 3 parts.Radioactive isotope power supply jar lifting gear 87 is made up of crossbeam 1, vertical beam 6, electric block 2.The cross section of crossbeam 1 is I-shaped and is vertically fixed on the middle and upper part of vertical beam 6, solid welding has reinforcement 14 on crossbeam 1 and between the vertical beam 6, each solid welding of two ends up and down of vertical beam 6 has vertical shaft 7, bearing 8 is housed on vertical shaft 7, two bearings 8 respectively is contained in the bearing seat 9 up and down, gland bonnet 10 is fixed on the bearing seat 9 by bolt 11, and bearing seat 9 usefulness bolts 12 are separately fixed on ground and the steel plate 13, and steel plate 13 is fixed on the wall by channel-section steel.Electric block 2 is installed on the crossbeam 1 by four steamboats 3 of self.Suspension hook 4 is fixed on the end of wire rope of electric block 2, and control enclosure 5 is connected on the power supply of the motor on the electric block 2.Radioactive isotope power supply jar conveyer 88 is made up of travel mechanism 88-1, radioactive isotope power supply jar clamp system 88-2, lead shield plate 37.Radioactive isotope power supply jar clamp system 88-2 is made up of chuck 22, screw thread vertical shaft 23, fork 24, chuck reducer casing 28, switch 25, column 35, limiting plate 17, clamp device 18, fastening bolt 19, flange 39.Chuck 22 is contained in screw thread vertical shaft 23 upper ends, be fixed with fork 24 on the vertical shaft 23, the lower end of vertical shaft 23 is connected with chuck reducer casing 28, two switches 25 of control chuck reducer casing 28 built-in motors are fixed on the rear and front end on casing 38 tops, the back of vertical shaft 23 is provided with column 35, joint 15 is housed on it, limiting plate 17 is fixed on the joint 15 by pin 16, limiting plate 17 is provided with the clamp device 18 of carrying shield bale handle 36, fastening bolt 19, column 35 lower ends are provided with connecting plate 27, and link to each other with fork 24 by pin 83, column 35 is fixed on the bottom of casing 38 by flange 39.Travel mechanism 88-1 is made up of casing 38, wheel 34, track 33, support 32, reducer casing 128, output wheel 29, oil thread rope 30, back cincture 129, limit switch 125.Four wheels 34 are installed below the casing 38, wheel 34 rides on the track 33, the upper end of casing 38 is arranged on the support 32, the back of casing 38 is fixed with lead shield plate 37, and the front end of track 33 is fixed with reducer casing 128, is wound with oil thread rope 30 on its output wheel 29, and by the back cincture 129 turn to, oil thread rope 30 is fixed on the outside of casing 38 front and rear walls by two adjustable screws 31, and the top of casing 38 front and rear walls respectively is provided with one group of spring 26, and support 32 rear and front ends respectively are fixed with a limit switch 125.Radioactive isotope power supply jar packaging device 89 is made up of casing 76, mechanical arm 70, extracting radioactive source bottle and uncork lid mechanism 89-1, radioactive isotope power supply jar body-packing 89-2, illumination and exhaust gear.The tank wall of casing 76 is the intrinsic stereotype of two-layered steel plates therebetween, on the inwall of casing 76, be fixed with one deck stainless sheet steel 90, be provided with mechanical arm 70 in place on the upper side, casing rear wall center, mechanical arm 70 is connected with casing 76 by spheroid 77, mechanical arm 70 front ends are equipped with two arc vice jaws 73, jaw 73 roots are equipped with spring 74, jaw 73 roots link to each other with an end of backguy 72, the other end of backguy 72 links to each other with control lever 71, and the rear wall upper fixed one of casing 76 is equipped with the viewport 78 of lead glass.On the suspension bracket 54 of extracting radioactive source bottle and uncork lid mechanism 89-1 gear 51 and tooth bar 50 are housed, gear 51 and tooth bar 50 engagements, gear 51 is contained on the axle 53, torsion spring 52 is equipped with at axle 53 two ends, and operate handwheel 86 outward by coupling shaft 56 and case and link to each other, axle 53 all is fixed on the suspension bracket 54 with the fixed bin 55 of dress torsion spring 52, tooth bar 50 endoporus are fixed with motor 40, speed reduction unit 41 is by shaft coupling 42, bearing 43 is connected with output shaft 46, gland 45 seals tooth bar 50 lower ends, dop 48 flexibly connects by screw 47 and output shaft 46, and suspension bracket 54 is fixed on the casing 76 by bolt 57.The branch tinning 58 of radioactive isotope power supply jar body-packing 89-2 is made by inside and outside two-layer stainless steel cylinder, interlayer is enriched by lead, divide the lower end of tinning 58 that ball valve 59 is housed, and link to each other with handle 60 outside the outlet box, divide in the tinning 58 and establish float 61, link to each other with meter indication 64 through pulley 63 by 62 outlet boxs that go between are outer, the lower end of meter indication 64 is connected with weight 79, the right side of casing 76 is provided with loading of source sight glass 65, establish two eyeglasses 66 that are mutually miter angle in the sight glass 65, be fixed with shielding stereotype 67 in the behind of sight glass last slice 66.Casing 76 lower right side are provided with the stationary installation 68 of release 75 and release 75, and are fixed on the casing 76 by spheroid 69.Be fixed with pallet 80 in casing 76 lower interior.The illuminating lamp 81 of illumination and exhaust gear is installed in the crown center of casing 76 inside, and vacuum pump for vent 84 is installed in the outside at casing 76 tops, leads to outdoor gas outlet 85 and is connected in the outlet of vacuum pump for vent 84.Principle of work: radioactive isotope power supply jar 20 is sling by radioactive isotope power supply jar lifting gear 87, deliver on the chuck 22 of travel mechanism 88-1 and clamp, use clamp device 18 again, fastening bolt 19 is fixedly clamped the bale handle 36 of carrying shield 20, open the motor in the reducer casing 128, output wheel 29 rotations, affect oil thread rope 30, casing 38 is under the traction of oil thread rope 30, move forward along track 33, after entering the precalculated position, the spring 26 of casing 38 fronts touches the limit switch 125 of support 32 fronts, and the motor in the reducer casing 128 stops, at this moment lead shield plate 37 just in time matches with the lower end, right side of the casing 76 of packaging device, makes casing 76 become obturator.28 actions of chuck reducer casing make screw thread vertical shaft 23 and chuck 22 rotate to the shackle direction, and carrying shield 20 is also to this direction rotation.Carrying shield covers under the effect of limiting plate 17, clamp device 18 to be dismantled, and make angle of column 35 rotation by fork 24, connecting plate 27, pin 83, the jar mouth is got out of the way, and this moment, connecting plate 27 backed down the switch 25 of casing 38 back, cut off the power supply of chuck reducer casing 28 motor.The operation handwheel 86 of rotation uncork lid mechanism makes axle 53 rotating band moving gears, 51 rotations and tooth bar 50 is moved down by coupling spindle 56, and drive dop 48 moves down and makes dop 48 block the bottle cap 49 of radioactive isotope power supply bottle 21.Axle 53 makes torsion spring 52 screw accumulation of energy in rotary course, and after dop 48 was caught source bottle cap 49, opposite spin operation handwheel 86 transmission process same as described above made on the dop 48 and move again.This moment, torsion spring 52 release kinetic energy increased the strength of moving on the dop 48, moved on the dop 48 radioactive isotope power supply bottle 21 is proposed from carrying shield 20.Rotating machine arm 70 is also operated control lever 71 and is made jaw 73 clamp radioactive source bottle 21 under the effect of spring 74.Starter motor 40 its commentaries on classics make output shaft 46 rotations and drive dop 48 and rotate apart from by speed reduction unit 41, shaft coupling 42, bearing 43, and radioactive source bottle cap 49 is dismantled.After radioactive source bottle cap 49 is opened, manipulator 70 rotates to an angle and makes the radioactive source bottle arrive the top of dividing tinning 58, drive vacuum pump 84, again the radioactive source 82 in the radioactive source bottle 21 is poured in the branch tinning 58, float 61 is placed on above the radioactive source 82, and aforesaid operations all is to be undertaken by the viewport on casing 76 rear walls 78.Open valve 59 with packing joystick 60 and will divide pack into 75 li of releases of radioactive isotope power supplies 82 in the tinning 58.What of the size of dosage, volume 62 are provided by meter indication 64 by going between by float 61 again.The aforesaid operations process is that the sight glass 65 by casing 76 right sides carries out.
Claims (3)
1, system for transportation and dividing package opevation of radio isotope, it is made up of radioactive isotope power supply jar lifting gear (87), radioactive isotope power supply jar conveyer (88), radioactive isotope power supply jar packaging device (89) three parts, and radioactive isotope power supply jar lifting gear (87) mainly is made up of crossbeam (1), vertical beam (6), electric block (2); The lower end of vertical beam (6) is fixed on the ground in this operating system left side, and crossbeam (1) is fixed on the vertical beam (6), and electric block (2) was arranged on crossbeam (1) following; Radioactive isotope power supply jar conveyer (88) mainly is made up of travel mechanism (88-1), radioactive isotope power supply jar clamp system (88-2), travel mechanism (88-1) is installed in the lower end between radioactive isotope power supply jar lifting gear (87) and the radioactive isotope power supply jar packaging device (89), and radioactive isotope power supply jar clamp system (88-2) is arranged on the casing (38) of travel mechanism (88-1); Radioactive isotope power supply jar packaging device (89) mainly is made up of casing (76), extraction radioactive source and uncork lid mechanism (89-1), radioactive isotope power supply jar body-packing (89-2); Extract radioactive source bottle and uncork lid mechanism (89-1) and be arranged on the interior left upper end of casing (76), radioactive isotope power supply jar body-packing (89-2) is arranged on the upper right side in the casing (76), and radioactive isotope power supply jar packaging device (89) is arranged on the right side of this operating system; It is characterized in that radioactive isotope power supply jar packaging device (89) is by casing (76), mechanical arm (70), grasp radioactive source bottle and uncork lid mechanism (89-1), radioactive isotope power supply jar body-packing (89-2), illumination and exhaust gear are formed, the tank wall of casing (76) is the intrinsic stereotype of two-layered steel plates therebetween, on the inwall of casing (76), be fixed with one deck stainless sheet steel (90), be provided with mechanical arm (70) in place on the upper side, casing rear wall center, mechanical arm (70) is connected with casing (76) by spheroid (77), mechanical arm (70) front end is equipped with two arc vice jaws (73), jaw (73) root is equipped with spring (74), jaw (73) root links to each other with an end of backguy (72), the other end of backguy (72) links to each other with control lever (71), and the rear wall upper fixed one of casing (76) is equipped with the viewport (78) of lead glass; On the suspension bracket (54) of extracting radioactive source bottle and uncork lid mechanism (89-1) gear (51) and tooth bar (50) are housed, gear (51) and tooth bar (50) engagement, gear (51) is contained on the axle (53), torsion spring (52) is equipped with at axle (53) two ends, and operate handwheel (86) outward by coupling shaft (56) and case and link to each other, axle (53) all is fixed on the suspension bracket (54) with the fixed bin (55) of dress torsion spring (52), tooth bar (50) endoporus is fixed with motor (40), speed reduction unit (41) is by shaft coupling (42), bearing (43) is connected with output shaft (46), gland (45) seals tooth bar (50) lower end, dop (48) flexibly connects by screw (47) and output shaft (46), suspension bracket (54) is fixed on the casing (76) by bolt (57), the branch tinning (58) of radioactive isotope power supply jar body-packing (89-2) is made by inside and outside two-layer stainless steel cylinder, interlayer is enriched by lead, divide the lower end of tinning (58) that ball valve (59) is housed, and link to each other with handle (60) outside the outlet box, divide in the tinning (58) and establish float (61), link to each other with meter indication (64) through pulley (63) by lead-in wire (62) outlet box is outer, the lower end of meter indication (64) is connected with weight (79), the right side of casing (76) is provided with loading of source sight glass (65), establish two eyeglasses (66) that are mutually miter angle in the sight glass (65), be fixed with shielding stereotype (67) in the behind of sight glass last slice (66); Casing (76) lower right side is provided with the stationary installation (68) of release (75) and release, and be fixed on the casing (76) by spheroid (69), be fixed with pallet (80) in casing (76) lower interior, the illuminating lamp (81) of illumination and exhaust gear is installed in the inner crown center of casing (76), vacuum pump for vent (84) is installed in the outside at casing (76) top, leads to outdoor gas outlet (85) and is connected in the outlet of vacuum pump for vent (84).
2, system for transportation and dividing package opevation of radio isotope according to claim 1 is characterized in that radioactive isotope power supply jar lifting gear (87) is made up of crossbeam (1), vertical beam (6), electric block (2); The cross section of crossbeam (1) is I-shaped and is vertically fixed on the middle and upper part of vertical beam (6), solid welding has reinforcement (14) on crossbeam (1) and between the vertical beam (6), each solid welding of two ends up and down of vertical beam (6) has vertical shaft (7), bearing (8) is housed on vertical shaft (7), two bearings (8) respectively is contained in the bearing seat (9) up and down, gland bonnet (10) is fixed on the bearing seat (9) by bolt (11), bearing seat (9) is separately fixed on ground and the steel plate (13) with bolt (12), steel plate (13) is fixed on the wall by channel-section steel, and electric block (2) is installed on the crossbeam (1) by four steamboats (3) of self.
3, system for transportation and dividing package opevation of radio isotope according to claim 1 is characterized in that radioactive isotope power supply jar conveyer (88) is made up of travel mechanism (88-1), radioactive isotope power supply jar clamp system (88-2), lead shield plate (37); Radioactive isotope power supply jar clamp system (88-2) is by chuck (22), screw thread vertical shaft (23), fork (24), chuck reducer casing (28), switch (25), column (35), limiting plate (17), clamp device (18), fastening bolt (19), flange (39) is formed, chuck (22) is contained in screw thread vertical shaft (23) upper end, be fixed with fork (24) on the vertical shaft (23), the lower end of vertical shaft (23) is connected with chuck reducer casing (28), two switches (25) of control chuck reducer casing (28) built-in motor are fixed on the rear and front end on casing (38) top, the back of vertical shaft (23) is provided with column (35), joint (15) is housed on it, limiting plate (17) is fixed on the joint (15) by pin (16), limiting plate (17) is provided with the clamp device (18) of carrying shield bale handle (36), fastening bolt (19), column (35) lower end is provided with connecting plate (27), and link to each other with fork (24) by pin (83), column (35) is fixed on the bottom of casing (38) by flange (39), travel mechanism (88-1) is by casing (38), wheel (34), track (33), support (32), reducer casing (128), output wheel (29), oil thread rope (30), back cincture (129), limit switch (125) is formed, four wheels (34) are installed below the casing (38), wheel (34) rides on the track (33), the upper end of casing (38) is arranged on the support (32), the back of casing (38) is fixed with lead shield plate (37), the front end of track (33) is fixed with reducer casing (128), be wound with oil thread rope (30) on its output wheel (29), and by the back cincture (129) turn to, oil thread rope (30) is fixed on the outside of casing (38) front and rear wall by two adjustable screws (31), the top of casing (38) front and rear wall respectively is provided with one group of spring (26), and support (32) rear and front end respectively is fixed with a limit switch (125).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99101564A CN1109350C (en) | 1999-01-22 | 1999-01-22 | System for transportation and dividing package opevation of radio isotope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99101564A CN1109350C (en) | 1999-01-22 | 1999-01-22 | System for transportation and dividing package opevation of radio isotope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1233843A CN1233843A (en) | 1999-11-03 |
| CN1109350C true CN1109350C (en) | 2003-05-21 |
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ID=5270529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99101564A Expired - Fee Related CN1109350C (en) | 1999-01-22 | 1999-01-22 | System for transportation and dividing package opevation of radio isotope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1109350C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102081980B (en) * | 2010-04-29 | 2012-08-29 | 银川东方运输设备有限公司 | Pneumatic pipeline receiving and delivering device for nuclear wastes |
| CN102910536B (en) * | 2012-10-29 | 2015-03-25 | 安徽工业大学 | Electric hoist system with multipoint auto-positioning and manual positioning combined control function |
| CN103612262B (en) * | 2013-11-08 | 2015-08-26 | 邹建军 | The Remote Control Automatic attending device of target body and maintaining method thereof under the environment of a kind of hot cell |
| CN103714877B (en) * | 2013-12-31 | 2016-02-17 | 昆明医科大学第一附属医院 | A kind of radionuclide generator positioning-lifting device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2053447A5 (en) * | 1969-07-04 | 1971-04-16 | Commissariat Energie Atomique | Easily dismantled sealed chamber |
| CN1005159B (en) * | 1985-10-09 | 1989-09-13 | 中国科学院上海硅酸盐研究所 | Technology of tellurium dioxide single crystal growth |
| GB2200469B (en) * | 1987-01-22 | 1990-10-24 | Doryokuro Kakunenryo | Automatic weight sampling system |
| US5141378A (en) * | 1990-02-28 | 1992-08-25 | Cogema-Compagnie Generale Des Matieres Nucleaires | Mobile intervention chamber providing access to an installation placed in an active cell |
| CN2137017Y (en) * | 1992-08-08 | 1993-06-23 | 天津第二医学院附属第一中心医院 | Shielding long-distance clamping apparatus for radiomaterial |
| CN2150613Y (en) * | 1993-03-31 | 1993-12-22 | 中国原子能科学研究院 | Remote conveying device for reactor start neutron source rod |
| CN2193583Y (en) * | 1994-04-28 | 1995-03-29 | 刘景尧 | Radioisotope split charging apparatus |
| CN1199836A (en) * | 1997-05-20 | 1998-11-25 | 高级技术材料公司 | Low pressure gas source and dispensing apparatus with enhanced diffusive/extractive means |
-
1999
- 1999-01-22 CN CN99101564A patent/CN1109350C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2053447A5 (en) * | 1969-07-04 | 1971-04-16 | Commissariat Energie Atomique | Easily dismantled sealed chamber |
| CN1005159B (en) * | 1985-10-09 | 1989-09-13 | 中国科学院上海硅酸盐研究所 | Technology of tellurium dioxide single crystal growth |
| GB2200469B (en) * | 1987-01-22 | 1990-10-24 | Doryokuro Kakunenryo | Automatic weight sampling system |
| US5141378A (en) * | 1990-02-28 | 1992-08-25 | Cogema-Compagnie Generale Des Matieres Nucleaires | Mobile intervention chamber providing access to an installation placed in an active cell |
| CN2137017Y (en) * | 1992-08-08 | 1993-06-23 | 天津第二医学院附属第一中心医院 | Shielding long-distance clamping apparatus for radiomaterial |
| CN2150613Y (en) * | 1993-03-31 | 1993-12-22 | 中国原子能科学研究院 | Remote conveying device for reactor start neutron source rod |
| CN2193583Y (en) * | 1994-04-28 | 1995-03-29 | 刘景尧 | Radioisotope split charging apparatus |
| CN1199836A (en) * | 1997-05-20 | 1998-11-25 | 高级技术材料公司 | Low pressure gas source and dispensing apparatus with enhanced diffusive/extractive means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1233843A (en) | 1999-11-03 |
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