CN109727693B - Connector for I-131 absorption bottle - Google Patents
Connector for I-131 absorption bottle Download PDFInfo
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- CN109727693B CN109727693B CN201910014083.2A CN201910014083A CN109727693B CN 109727693 B CN109727693 B CN 109727693B CN 201910014083 A CN201910014083 A CN 201910014083A CN 109727693 B CN109727693 B CN 109727693B
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Abstract
The invention discloses a connector for an I-131 absorption bottle, which comprises a retractor part, a plug part, a hoop, a sliding rail and a bracket. The hoop and the retractor part are sequentially arranged along the X axial direction, the retractor part, the plug-in connector part, the sliding rail and the support are sequentially arranged from top to bottom, one end of the retractor part is placed in the hoop and is in sliding connection with the hoop, the plug-in connector part is in sliding connection with the sliding rail, and the sliding rail is fixedly connected with the support. The connector can install or replace the connecting pipelines between the absorption bottle, the tail gas treatment device, the material inlet and outlet bottle and other components in the iodine-131 production device under the strong ionizing radiation environment by means of the hot chamber manipulator, so that the transitional connection between the glass container and the metal pipeline is realized, and the safety and the reliability of iodine-131 production are improved, and the risk of ionizing radiation damage to maintenance personnel is reduced.
Description
Technical Field
The invention belongs to the technical field of radioisotope preparation, and particularly relates to a connector for an I-131 absorption bottle.
Background
The radioactive iodine-131 is for producing Na 131 The important raw materials of radioactive medicines such as I capsule, etc. are mainly TeO irradiated by a high-temperature (about 750 ℃) dry distillation reactor 2 And absorbing the distilled iodine vapor with dilute alkali solution. The institute of nuclear physics and chemistry of the institute of engineering physics of China, and the national institute of atomic energy science of China and the institute of nuclear power of China, have all adopted horizontal apparatuses to carry out the commercial production of radioactive iodine-131. The gas path system of the existing iodine-131 production device generally comprises a distillation tube, an absorption bottle, an alkaline washing bottle, an activated carbon adsorption column and a vacuum pump which are connected in sequence, wherein the distillation tube, the absorption bottle and the alkaline washing bottle are mostly made of glass materials, and the connection among the components can only adopt plastic or rubber pipelines; the absorption bottle is basically provided with an iodine vapor (carrier gas) inlet, a dilute alkali liquid filling port, an iodine-131 absorption liquid (namely product solution) outlet and a tail gas outlet, the absorption bottle with a water cooling function is also provided with a water inlet port, a water outlet port and other ports, and pipelines for conveying gas and liquid are required to be manually connected by workers. The plastic tubes or latex tubes used for connecting all parts are easy to age and crack under the high temperature of carrier gas and the long-time action of high-strength gamma rays of radioactive iodine-131 in the carrier gas, so that the flow rate of the carrier gas is unstable, the leakage of iodine vapor pollutes the environment and affects the yield of the iodine-131, and the replacement of the aged plastic tubes or latex tubes stained with the radioactive iodine-131 is troublesome and dangerous, so that workers are required to strictly decontaminate the production site and then enter a hot room for treatment, and maintenance and repair personnel can be subjected to more irradiation doses, particularly when the emergency such as pipeline breakage and the like in the production process needs to be solved. Although the distillation tube and the absorption bottle are integrated by the existing iodine-131 production unit, the potential safety hazard that the high temperature of carrier gas damages the connecting pipeline between the distillation tube and the absorption bottle is eliminated, but the potential safety hazard that strong ionization radiation in a hot chamber damages other plastic tubes or latex tubes is not reduced.
Disclosure of Invention
To improve the safety and reliability of radioactive iodine-131 production, the present invention provides a connector for an I-131 absorption vial.
The connector can remotely, quickly and safely install or replace connecting pipelines among all parts in the radioactive iodine-131 production device by operating the hot chamber manipulator, and the connector is connected by adopting the metal pipe, so that the reliability of the production device is improved, and the safety risk is reduced.
The technical scheme for realizing the invention is as follows:
the invention relates to a connector for an I-131 absorption bottle, which is characterized by comprising a retractor part, a connector part, a hoop, a sliding rail and a bracket. The connector is characterized in that the hoop and the retractor part are sequentially arranged along the X axial direction, the retractor part, the plug-in connector part, the sliding rail and the support are sequentially arranged from top to bottom, one end of the retractor part is placed in the hoop and is in sliding connection with the hoop, the plug-in connector part is in sliding connection with the sliding rail, and the sliding rail is fixedly connected with the support.
The hoop is a metal sheet component with two symmetrical end structures, two ends of the hoop are fixedly connected by screws to form a circular ring and a square box with an upper opening, and a vertical opening is formed in the center of the X axial wall of the square box upwards. The tractor part contain lead screw, triangle piece, hemisphere and handle, the connector part contains slide, bracket I, bracket II, baffle.
Support I in the connector part, support II, the baffle all is provided with the ascending slot of opening, the draw-in groove, the slide is placed on the slide rail and with slide rail sliding connection, support I, support II, the baffle is fixed to be set up on the slide, support I and support II are located one side of slide Y axis and set up with slide X axis symmetry, the baffle is located the opposite side of slide Y axis and sets up on slide X axis, install bayonet joint I on support I along the X axial, install bayonet joint II on support II, install the lead screw in the tractor part on the baffle, the triangle block.
The plug-in connector I contain cone stick I, steel pipe I and the inserted sheet I of vertical setting that the X axial level set up, plug-in connector II contains the hollow cone stick II of L shape, steel pipe II, the bellows that the Y axial level set up of X axial level and the inserted sheet II of vertical setting. Awl head stick I place in the draw-in groove of bracket I, inserted sheet I is inserted downwards in the slot of bracket I, awl head stick I pass I central authorities of inserted sheet perpendicularly and with I fixed connection of inserted sheet, steel pipe I pass awl head stick I and with I sealed fixed connection of awl head stick. The conical head rod II is placed in a clamping groove of the bracket II, the inserting piece II is downwards inserted into an inserting groove of the bracket II, the conical head rod II vertically penetrates through the center of the inserting piece II and is fixedly connected with the inserting piece II, the steel pipe II penetrates through the conical head rod II and is fixedly connected with the conical head rod II in a sealing mode, and the corrugated pipe is fixedly communicated with the conical head rod II; conical heads of the conical head rod I and the conical head rod II are respectively provided with two annular grooves, and sealing rings are arranged in the grooves in a matched mode.
The semi-sphere and the handle in the tractor part are respectively and fixedly arranged at two ends of a horizontally arranged screw rod, the triangular block is vertically arranged in the middle of the screw rod, a threaded hole is formed in the center of the triangular block, and the screw rod penetrates through the threaded hole and is in sliding connection with the triangular block. The lead screw and the slide rail are arranged in parallel, the lead screw is placed in the clamping groove of the baffle, the triangular block is downwards inserted into the slot of the baffle, and the hemispheroid is placed in the square box of the hoop and is in sliding connection with the inner wall of the square box. The slide rail is a double-spoke slide rail and is composed of two parallel rails.
The hoop is fixedly connected to an external absorption bottle, and a pipeline corresponding to the cone head rod I and the cone head rod II is arranged on the absorption bottle in a matched mode.
The X-axis lines of the hoop, the screw rod, the sliding seat and the sliding rail are arranged on the same vertical face. The X-axis of the steel pipe I and the X-axis of the conical head rod I, and the X-axis of the steel pipe II and the X-axis of the conical head rod II are respectively superposed.
The hoop, the tractor part, the sliding rail, the support, the steel pipe I and the steel pipe II are made of stainless steel. Slide, bracket I, bracket II, baffle, awl head stick I, awl head stick II, inserted sheet I and inserted sheet II among the connector part adopt the polyethylene preparation. The sealing ring is made of silicon rubber.
A brief working principle of the connector for I-131 absorption bottles of the present invention is: the operation manipulator installs bayonet joint I, bayonet joint II respectively on the bracket, and the twist grip orders about the connector part through the screw drive and removes to the cuff direction, inserts bayonet joint I, bayonet joint II respectively and inserts tightly in the pipeline that corresponds on the external absorption bottle, realizes the transitional coupling of absorption bottle and other part metal connecting pipe.
The invention has the beneficial effects that the metal pipeline with better radiation resistance is adopted to replace the existing plastic or rubber pipeline so as to prolong Na 131 The working life of the production device is prolonged, the remote replacement of a connecting pipeline between related parts of the production device is realized by adopting a special connector suitable for the production environment of radioactive iodine-131 in a hot chamber, and the safety risk of maintenance personnel is obviously reduced. The connector of the invention has compact and small structure, easy operation, good safety and reliability.
Drawings
FIG. 1 is a schematic view of a connector for an I-131 absorption bottle according to the present invention;
FIG. 2 is a schematic top view of a connector for an I-131 absorption bottle of the present invention;
FIG. 3 is a cross-sectional view of a awl bar I of the present invention;
FIG. 4 is a cross-sectional view of the awl point II of the present invention;
in the figure, 1, a hoop 2, a slide rail 3, a support 4, a screw rod 5, a triangular block 6, a hemispheroid 7, a handle 8, a sliding seat 9, a bracket I10, a bracket II 11, a baffle 12, a cone head rod I13, a steel pipe I14, an inserting piece I15, a sealing ring 16, a cone head rod II 17, a steel pipe II 18, a corrugated pipe 19 and an inserting piece II are arranged.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1
Fig. 1 is a schematic view showing the structure of a connector for an I-131 absorption bottle of the present invention, fig. 2 is a schematic view showing the top of a connector for an I-131 absorption bottle of the present invention, fig. 3 is a sectional view of a tapered rod I of the present invention, and fig. 4 is a sectional view of a tapered rod ii of the present invention. In fig. 1 to 4, a connector for an I-131 absorption bottle of the present invention includes a retractor portion, a connector portion, a ferrule 1, a slide rail 2, and a holder 3. The connector is characterized in that the hoop 1 and the retractor part are sequentially arranged along the X axial direction, the retractor part, the plug-in connector part, the sliding rail 2 and the bracket 3 are sequentially arranged from top to bottom, one end of the retractor part is placed in the hoop 1 and is in sliding connection with the hoop 1, the plug-in connector part is in sliding connection with the sliding rail 2, and the sliding rail 2 is fixedly connected with the bracket 3. The hoop 1 is a metal sheet component with two symmetrical end structures, two ends of the hoop 1 are fixedly connected through screws to form a circular ring and a square box with an upper opening, and a vertical opening is formed in the center of an X axial wall of the square box upwards and used for placing the screw rod 4. The tractor part comprises a screw rod 4, a triangular block 5, a hemispheroid 6 and a handle 7, and the plug connector part comprises a sliding seat 8, a bracket I9, a bracket II 10 and a baffle 11.
Support I9 in the connector part, support II 10, baffle 11 all is provided with the ascending slot of opening, the draw-in groove, slide 8 place on slide rail 2 and with 2 sliding connection of slide rail, support I9, support II 10, baffle 11 is fixed to be set up on slide 8, support I9 and support II 10 are located one side of slide 8Y axis and set up with slide 8X axis symmetry, baffle 11 is located the opposite side of slide 8Y axis and sets up on slide 8X axis, install bayonet joint I on support I9 along the X axial, install bayonet joint II on support II 10, install lead screw 4 in the tractor part on baffle 11, triangular block 5.
Plug connector I contain awl head stick I12, the I13 steel pipe of the horizontal setting of X axial and the inserted sheet I14 of vertical setting, plug connector II contains the hollow awl head stick II 16 of the L shape that the horizontal setting of X axial set up, the bellows 18 and the inserted sheet II 19 of vertical setting that the horizontal setting of steel pipe II 17, Y axial set up. Awl head stick I12 place in the draw-in groove of bracket I9, inserted sheet I14 is inserted downwards in the slot of bracket I9, awl head stick I12 pass perpendicularly I14 central authorities of inserted sheet and with I14 fixed connection of inserted sheet, steel pipe I13 pass awl head stick I12 and with I12 sealed fixed connection of awl head stick. The conical head rod II 16 is placed in a clamping groove of the bracket II 10, the inserting piece II 19 is downwards inserted into the inserting groove of the bracket II 10, the conical head rod II 16 vertically penetrates through the center of the inserting piece II 19 and is fixedly connected with the inserting piece II 19, the steel pipe II 17 penetrates through the conical head rod II 16 and is fixedly connected with the conical head rod II 16 in a sealing mode, and the corrugated pipe 18 is fixedly communicated with the conical head rod II 16. The conical heads of the conical head rod I12 and the conical head rod II 16 are respectively provided with two annular grooves, and sealing rings 15 are arranged in the grooves in a matched mode.
The hemisphere 6 and the handle 7 in the tractor part are respectively and fixedly arranged at two ends of a horizontally arranged screw rod 4, the triangular block 5 is vertically arranged in the middle of the screw rod 4, a threaded hole is formed in the center of the triangular block 5, and the screw rod 4 penetrates through the threaded hole and is in sliding connection with the triangular block 5; the screw rod 4 is arranged in parallel with the slide rail 2, the screw rod 4 is arranged in a clamping groove of the baffle 11, the triangular block 5 is downwards inserted into the slot of the baffle 11, and the hemispheroid 6 is arranged in the square box of the hoop 1 and is in sliding connection with the inner wall of the square box. The slide rail 2 is a double-spoke slide rail and is composed of two parallel rails.
The hoop 1 is fixedly connected to an external absorption bottle, and pipelines corresponding to the cone head rod I12 and the cone head rod II 16 are arranged on the absorption bottle in a matched mode. The X axial lines of the hoop 1, the screw rod 4, the sliding seat 8 and the sliding rail 2 are arranged on the same vertical surface. The X axial lead of the steel pipe I13 and the X axial lead of the conical rod I12 and the X axial lead of the steel pipe II 17 and the X axial lead of the conical rod II 16 are respectively superposed. The hoop 1, the tractor part, the sliding rail 2, the bracket 3, the steel pipe I13 and the steel pipe II 17 are made of stainless steel. The sliding seat 8, the bracket I9, the bracket II 10, the baffle 11, the conical rod I12, the conical rod II 16, the inserting piece I14 and the inserting piece II 19 in the plug-in connector part are made of polyethylene. The sealing ring 15 is made of silicon rubber. As shown in fig. 1 to 4.
The circular ring and the square box of the hoop 1 are formed by folding stainless steel sheets with symmetrical structures, and the width of an opening on the wall of the square box is matched with the diameters of a screw rod 4 and a hemispheroid 6 in the tractor part. The part that I13 of steel pipe worn out awl head I12 awl head is shorter, is favorable to reducing the awl head and the volume of remaining of liquid in the joint department that causes of the interval of external absorption bottle drainage mouth, and the part that II 17 of steel pipe wore out awl head II 16 awl head is longer, is favorable to through the whole external absorption bottle of infusing of absorption liquid that II 17 of steel pipe carried and not sucked into the bellows and cause the loss. Inserted sheet I14, inserted sheet II 19, triangle piece 5 correspond respectively and set up with the non-close cooperation of draw-in groove on bracket I9, bracket II 10, the baffle 11, keep inserted sheet I14, II 19 of inserted sheet have certain removal space, be favorable to avoiding absorbing bottle glass pipeline's damage when conical head stick is pegged graft, keep triangle piece 5 to have great X axial displacement space to be favorable to the loading and unloading of tractor part in the draw-in groove.
In this embodiment, a sealing ring is arranged in each groove of the conical rod i 12 and the conical rod ii 16 in a matching manner, and the sealing ring 15 is one of the sealing rings.
The working process of the invention is as follows, an operation manipulator respectively installs a plug-in connector I and a plug-in connector II in the clamping grooves of a bracket I and a bracket II, then a tractor part is horizontally placed in a square box of a hoop 1 and the clamping groove of a baffle plate 11, a triangular block 5 is inserted in a slot of the baffle plate 11, a rotary handle 7 drives a plug-in connector part to move towards the hoop 1 through the transmission of a screw rod 4, a conical rod head I12 and a conical rod head II 16 are respectively inserted into corresponding pipelines on an external absorption bottle to be tightly inserted, the transitional connection of the absorption bottle and other part metal connecting pipelines is realized, and the purposes of respectively extracting air from the absorption bottle, extracting iodine-131 solution and filling absorption liquid into the absorption bottle through a corrugated pipe 18, a steel pipe I13 and a steel pipe II 17 under the support of equipment such as an external vacuum pump and the like are realized. The handle 7 is rotated reversely, the conical rod head I12 and the conical rod head II 16 can be withdrawn from the corresponding pipelines on the external absorption bottle respectively, the plug connector part which is taken down is transferred out of the hot chamber through the access door by using the manipulator for maintenance, and the remote, quick and safe assembly and disassembly of the connecting pipeline of the radioactive iodine-131 production device in the strong ionization radiation environment in the hot chamber are realized.
Claims (4)
1. A connector for an I-131 absorption bottle, characterized in that: the connector comprises a retractor part, a plug-in connector part, a hoop (1), a sliding rail (2) and a bracket (3); the connector is characterized in that the hoop (1) and the tractor part are sequentially arranged along the X axial direction, the tractor part, the plug-in connector part, the sliding rail (2) and the bracket (3) are sequentially arranged from top to bottom, one end of the tractor part is placed in the hoop (1) and is in sliding connection with the hoop (1), the plug-in connector part is in sliding connection with the sliding rail (2), and the sliding rail (2) is fixedly connected with the bracket (3);
the hoop (1) is a metal sheet component with two symmetrical end structures, two ends of the hoop (1) are fixedly connected by screws to form a circular ring and a square box with an upper opening, and a vertical opening is formed in the center of the axial wall of the square box X upwards; the tractor part comprises a screw rod (4), a triangular block (5), a hemispheroid (6) and a handle (7), and the plug-in connector part comprises a sliding seat (8), a bracket I (9), a bracket II (10) and a baffle (11);
a bracket I (9), a bracket II (10) and a baffle (11) in the connector part are provided with slots and clamping grooves with upward openings, a sliding seat (8) is placed on a sliding rail (2) and is in sliding connection with the sliding rail (2), the bracket I (9), the bracket II (10) and the baffle (11) are fixedly arranged on the sliding seat (8), the bracket I (9) and the bracket II (10) are positioned on one side of a Y axis of the sliding seat (8) and are symmetrically arranged along an X axis of the sliding seat (8), the baffle (11) is positioned on the other side of the Y axis of the sliding seat (8) and is arranged on the X axis of the sliding seat (8), a plug I is arranged on the bracket I (9) along the X axis, a plug II is arranged on the bracket II (10), a lead screw (4) in the tractor part is arranged on the baffle (11), and a triangular block (5);
the plug I comprises a cone rod I (12) horizontally arranged in the X axial direction, a steel pipe I (13) and an inserting piece I (14) vertically arranged, and the plug II comprises an L-shaped hollow cone rod II (16) horizontally arranged in the X axial direction, a steel pipe II (17), a corrugated pipe (18) horizontally arranged in the Y axial direction and an inserting piece II (19) vertically arranged; the conical rod I (12) is placed in a clamping groove of the bracket I (9), the inserting piece I (14) is downwards inserted into the inserting groove of the bracket I (9), the conical rod I (12) vertically penetrates through the center of the inserting piece I (14) and is fixedly connected with the inserting piece I (14), and the steel pipe I (13) penetrates through the conical rod I (12) and is fixedly connected with the conical rod I (12) in a sealing mode; the conical head rod II (16) is placed in a clamping groove of the bracket II (10), the inserting piece II (19) is downwards inserted into an inserting groove of the bracket II (10), the conical head rod II (16) vertically penetrates through the center of the inserting piece II (19) and is fixedly connected with the inserting piece II (19), the steel pipe II (17) penetrates through the conical head rod II (16) and is fixedly connected with the conical head rod II (16) in a sealing mode, and the corrugated pipe (18) is fixedly communicated with the conical head rod II (16); the conical heads of the conical head rod I (12) and the conical head rod II (16) are respectively provided with two annular grooves, and sealing rings (15) are arranged in the grooves in a matching manner;
a hemisphere (6) and a handle (7) in the tractor part are respectively and fixedly arranged at two ends of a horizontally arranged screw rod (4), a triangular block (5) is vertically arranged in the middle of the screw rod (4), a threaded hole is formed in the center of the triangular block (5), and the screw rod (4) penetrates through the threaded hole and is in sliding connection with the triangular block (5); the screw rod (4) is arranged in parallel with the sliding rail (2), the screw rod (4) is placed in a clamping groove of the baffle (11), the triangular block (5) is downwards inserted into a slot of the baffle (11), and the hemispheroid (6) is placed in a square box of the hoop (1) and is in sliding connection with the inner wall of the square box; the slide rail (2) is a double-spoke slide rail and is composed of two parallel rails.
2. A connector for an I-131 absorption bottle according to claim 1, wherein: the hoop (1) is fixedly connected to an external absorption bottle, and a pipeline corresponding to the cone head rod I (12) and the cone head rod II (16) is arranged on the absorption bottle in a matched mode.
3. A connector for an I-131 absorption bottle according to claim 1, wherein: the X axial lines of the hoop (1), the screw rod (4), the sliding seat (8) and the sliding rail (2) are arranged on the same vertical surface; the X axial lead of the steel pipe I (13) and the cone head rod I (12) and the X axial lead of the steel pipe II (17) and the cone head rod II (16) are respectively superposed.
4. A connector for an I-131 absorption bottle according to claim 1, wherein: the hoop (1), the tractor part, the sliding rail (2), the bracket (3), the steel pipe I (13) and the steel pipe II (17) are made of stainless steel; a sliding seat (8), a bracket I (9), a bracket II (10), a baffle (11), a conical rod I (12), a conical rod II (16), an inserting piece I (14) and an inserting piece II (19) in the plug-in connector part are made of polyethylene; the sealing ring (15) is made of silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014083.2A CN109727693B (en) | 2019-01-08 | 2019-01-08 | Connector for I-131 absorption bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014083.2A CN109727693B (en) | 2019-01-08 | 2019-01-08 | Connector for I-131 absorption bottle |
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| CN109727693A CN109727693A (en) | 2019-05-07 |
| CN109727693B true CN109727693B (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910014083.2A Active CN109727693B (en) | 2019-01-08 | 2019-01-08 | Connector for I-131 absorption bottle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115641979B (en) * | 2022-10-26 | 2023-07-07 | 核工业北京化工冶金研究院 | Chemical method on-line decontamination device and decontamination method for pipeline |
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| CN109727693A (en) | 2019-05-07 |
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