CN215196850U - Radioactive tracer gas generating device - Google Patents
Radioactive tracer gas generating device Download PDFInfo
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- CN215196850U CN215196850U CN202121207557.4U CN202121207557U CN215196850U CN 215196850 U CN215196850 U CN 215196850U CN 202121207557 U CN202121207557 U CN 202121207557U CN 215196850 U CN215196850 U CN 215196850U
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- air
- needle
- gas
- radiotracer
- reaction bottle
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Abstract
The utility model relates to a radioactive tracer gas generating device, which belongs to the technical field of nuclear tests, and comprises a reaction bottle, wherein the reaction bottle is fixed on a lifting platform, the lifting platform is connected with a piston rod of an air cylinder, a sleeve needle head is downwards installed on the generating platform and is positioned right above the reaction bottle, the air cylinder is also fixed on the generating platform, and the lifting platform is driven to move up and down through the motion of the piston rod of the air cylinder so as to realize the quick pricking or separation of the sleeve needle head into or from the reaction bottle; the generating gas circuit comprises an air injection pump, the air injection pump is provided with an air inlet and an air suction port, the air inlet is connected with a compressed air supply pipe, the air suction port is connected with an air outlet pipe of the outer needle, and the gas flow is realized through vacuum suction force generated when the air injection pump works. The utility model can synthesize and generate radioactive tracer gas in real time on site; the generation process can be started and stopped at any time, the gas flow is stable, and the bubbling condition can be monitored at any time; the operation is fast, safe and reliable and the maintenance is convenient.
Description
Technical Field
The utility model belongs to the technical field of the nuclear test, specifically be a radioactive tracer gas generating device.
Background
The radioactive tracer gas used for the test is generally synthesized in advance in a laboratory and stored in a high-pressure steel cylinder for use in the test. Because the gas in the steel cylinder is in positive pressure, the risk of radioactive gas leakage exists at the joint of a valve in the pipeline, a measuring instrument and other components when injection occurs, the start-stop control of the injection occurs needs to be realized by manually opening and closing the valve, and a small amount of radioactive gas still remains in the pipeline after the injection stops, so the steel cylinder injection occurrence mode is not suitable for field use. In the performance evaluation test of many systems and equipment of nuclear facilities, radioactive tracer gas is used, so that a safe, reliable and convenient-to-operate radioactive tracer gas field generating device is needed.
Disclosure of Invention
For the defect that solves prior art and exists, the utility model aims to provide a radioactive tracer gas generating device, the device can be applied to the field performance evaluation test of the specific system of nuclear facility and equipment.
In order to achieve the above purpose, the utility model adopts a technical scheme that:
a radioactive tracer gas generating device comprises a reaction bottle, wherein the reaction bottle is fixed on a lifting platform, the lifting platform is connected with a piston rod of an air cylinder, a sleeve needle head is downwards installed on a generating platform and is positioned right above a bottle opening of the reaction bottle, the air cylinder is also fixed on the generating platform, and the sleeve needle head is driven to vertically move through the movement of the piston rod of the air cylinder so as to be quickly inserted into or separated from the reaction bottle;
the sleeve needle head comprises an inner needle and an outer needle sleeved outside the inner needle;
the generating gas circuit of the device comprises an air jet pump, the air jet pump is provided with an air inlet and an air suction port, the air inlet is connected with a compressed air supply pipe, the air suction port is connected with an air outlet pipe of the outer needle, and the air flow is realized by vacuum suction generated during the working of the air jet pump.
Further, in the radiotracer gas generating apparatus as defined above, the outer needle is coaxial with the inner needle, and the inner needle is longer than the outer needle.
Further, according to the radioactive tracer gas generating device, after the sleeve needle head is pricked into the sealing rubber plug of the reaction bottle, the inner needle is located below the liquid level of the reaction bottle, and the outer needle is located above the liquid level.
Further, in the radioactive tracer gas generating apparatus as described above, compressed air is supplied to the air jet pump through the compressed air supply pipe.
Further, the radioactive tracer gas generating device further comprises an air inlet pipe, and air in the environment enters the reaction liquid in the reaction bottle through the air inlet pipe and the inner needle.
Further, in the radioactive tracer gas generator as described above, a check valve for preventing the reverse flow of the gas flow is provided at the air intake port of the air jet pump.
Further, in the radioactive tracer gas generating apparatus, a throttle body is provided at the outlet tube of the outer needle, and the gas flow rate is controlled by the throttle body.
In the radioactive tracer gas generating apparatus, the reaction vessel is made of transparent glass.
Further, in the radioactive tracer gas generating apparatus as described above, the generation platform is fixed to the support.
The utility model has the advantages as follows:
the radioactive tracer gas generating device provided by the utility model can synthesize and generate radioactive tracer gas in real time on site; the generation process can be started and stopped at any time, the gas flow is stable, and the bubbling condition can be monitored at any time; the device has the characteristics of quick operation, safety, reliability and convenience in maintenance.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a radioactive tracer gas generating apparatus according to the present invention;
the device comprises an air injection pump 1, a check valve 2, an air inlet pipe 3, a generating platform 4, an outer needle 5, an inner needle 6, a reaction bottle 7, a lifting platform 8, a support 9, an air cylinder 10, a throttling body 11 and a compressed air supply pipe 12.
Detailed Description
The invention is further described with reference to specific embodiments and drawings attached to the description.
Fig. 1 shows a structure schematic diagram of a radioactive tracer gas generator embodiment, can find out by the picture, the device includes reaction flask 7, reaction flask 7 is fixed on lift platform 8, lift platform 8 links to each other with the piston rod of cylinder 10, the sleeve pipe syringe needle is installed down on taking place platform 4, and be located reaction flask 7 bottleneck directly over, cylinder 10 also is fixed on taking place platform 4, it fixes on support 9 to take place platform 4, thereby it realizes through 8 upper and lower actions of piston rod motion drive lift platform of cylinder 10 that the sleeve pipe syringe needle can prick fast or break away from reaction flask 7, reach and open the purpose of stopping control fast.
The sleeve needle head comprises an inner needle 6 and an outer needle 5 and is used for carrying a synthetic product from a reaction bottle 7, the inner needle 6 is longer, the outer needle 5 is shorter, after a sealing rubber plug of the reaction bottle 7 is pricked simultaneously, the inner needle 6 is submerged into a reaction liquid, the outer needle 5 is positioned above the liquid level, a carrying air flow enters from the inner needle 6 to generate bubbling, and the volatile synthetic product in the carrying reaction liquid is discharged from the outer needle 5.
The generating gas circuit comprises an air injection pump 1, the air injection pump 1 is provided with a gas inlet and a gas suction port, the gas inlet is connected with a compressed air supply pipe 12, compressed air is introduced through the compressed air supply pipe 12, the gas suction port is communicated with a gas outlet pipe of the outer needle, and gas flow is realized through vacuum suction force generated when the air injection pump 1 works; air in the environment enters the reaction liquid to bubble through the air inlet pipe 3 and the inner needle 6.
The air injection pump 1 is provided with a check valve 2 at an air inlet for preventing positive pressure working air flow of the air injection pump 1 from reversely pressing into an air injection pump air inlet under abnormal conditions.
In order to control the gas flow, a throttling body 11 is arranged at the gas outlet pipe of the outer needle 5, so that the gas circuit is always in a negative pressure working state when the gas flow occurs.
The reaction bottle 7 is made of transparent glass, and the bubbling condition of the air flow in the bottle can be observed through the bottle wall.
Radioactive tracer gas generating device's working process as follows:
the reaction bottle 7 filled with reaction liquid and sealed by a rubber plug and an aluminum cover is placed on a lifting platform 8, a piston rod of an air cylinder 10 is operated to move, the reaction bottle 7 on the lifting platform 8 is driven to move upwards, an inner needle 6 and an outer needle 5 of a sleeve needle head fixed on a generating platform 4 are simultaneously inserted into and penetrate through the rubber plug at the opening of the reaction bottle 7, the inner needle is submerged into the reaction liquid, and the outer needle is positioned above the liquid level. Compressed air is introduced into a compressed air supply pipe 12 of the air jet pump 1, vacuum is formed at a lateral air suction port of the compressed air supply pipe, air flow of a generating loop is driven to start flowing, air in the environment enters reaction liquid for bubbling through an air inlet pipe 3 and an inner needle 6 of a sleeve needle head, volatile substances synthesized in the reaction liquid are carried out of a liquid surface, leave a reaction bottle 7 through an inner needle annular gap and an outer needle annular gap of the sleeve needle head along with the air flow, enter an air suction port of the air jet pump 1 through a throttling fluid 11 and a check valve 2, are mixed with compressed air working air flow of the air jet pump 1, and are discharged from an air outlet of the air jet pump 1 together.
The radioactive tracer gas generating device provided by the utility model can synthesize and generate radioactive tracer gas in real time on site; the generation process can be started and stopped at any time, the gas flow is stable, and the bubbling condition can be monitored at any time; the device has the characteristics of quick operation, safety, reliability and convenience in maintenance.
The above-described embodiments are merely illustrative of the present invention, which may be embodied in other specific forms or in other specific forms without departing from the spirit or essential characteristics thereof. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be determined by the appended claims, and any changes that are equivalent to the intent and scope of the claims are intended to be embraced therein.
Claims (9)
1. A radioactive tracer gas generating device is characterized by comprising a reaction bottle (7), wherein the reaction bottle (7) is fixed on a lifting platform (8), the lifting platform (8) is connected with a piston rod of an air cylinder (10), a sleeve needle head is downwards installed on a generating platform (4) and is positioned right above a bottle opening of the reaction bottle (7), the air cylinder (10) is also fixed on the generating platform (4), and the lifting platform (8) is driven to move up and down through the movement of the piston rod of the air cylinder (10) so as to realize the quick pricking or separation of the sleeve needle head into or from the reaction bottle (7);
the sleeve needle comprises an inner needle (6) and an outer needle (5) sleeved outside the inner needle (6);
the gas generating path of the device comprises an air jet pump (1), wherein the air jet pump (1) is provided with an air inlet and an air suction port, the air inlet is connected with a compressed air supply pipe (12), the air suction port is connected with an air outlet pipe of an outer needle (5), and the air flow is realized by vacuum suction generated during the working of the air jet pump (1).
2. Radiotracer gas generation device according to claim 1, characterized in that the outer needle (5) is coaxial to the inner needle (6), the inner needle (6) being longer than the outer needle (5).
3. Radiotracer gas generation device according to claim 1, wherein the inner needle (6) is below the liquid level of the reaction vial (7) and the outer needle (5) is above the liquid level after the cannula needle has penetrated into the sealed plug of the reaction vial (7).
4. Radiotracer gas generation device according to claim 1, characterised in that compressed air is fed to the air jet pump (1) through the compressed air supply tube (12).
5. Radiotracer gas generation device according to claim 1, characterised in that it further comprises an air inlet tube (3), through which air in the environment passes (3) and (6) into the reaction liquid of the reaction vial (7).
6. Radiotracer gas generation device according to claim 1, characterised in that a non-return valve (2) for preventing gas flow from reversing is provided at the suction of the air jet pump (1).
7. Radiotracer gas generation apparatus according to claim 1, characterised in that a throttle body (11) is provided at the outlet of the outer needle (5), by means of which throttle body (11) the gas flow is controlled.
8. Radiotracer gas generator according to claim 1, characterised in that the reactor flask (7) is made of transparent glass.
9. Radiotracer gas generation apparatus according to claim 1, characterised in that the generation platform (4) is fixed on a support (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207557.4U CN215196850U (en) | 2021-06-01 | 2021-06-01 | Radioactive tracer gas generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207557.4U CN215196850U (en) | 2021-06-01 | 2021-06-01 | Radioactive tracer gas generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215196850U true CN215196850U (en) | 2021-12-17 |
Family
ID=79422532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121207557.4U Active CN215196850U (en) | 2021-06-01 | 2021-06-01 | Radioactive tracer gas generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215196850U (en) |
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2021
- 2021-06-01 CN CN202121207557.4U patent/CN215196850U/en active Active
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