CN212031523U - Device for off-line testing representativeness of activated carbon sample cup - Google Patents
Device for off-line testing representativeness of activated carbon sample cup Download PDFInfo
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- CN212031523U CN212031523U CN202020361875.5U CN202020361875U CN212031523U CN 212031523 U CN212031523 U CN 212031523U CN 202020361875 U CN202020361875 U CN 202020361875U CN 212031523 U CN212031523 U CN 212031523U
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- activated carbon
- sample cup
- carbon sample
- representativeness
- cup
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Abstract
The utility model relates to a device of off-line test active carbon appearance cup representativeness, include the tuber pipe of being connected with the active carbon appearance cup that awaits measuring, with the jet pump of tuber pipe tip intercommunication, the jet pump is connected compressed air pipe, is equipped with pressure measurement (wind) mouth on the side of tuber pipe, and when the pressure measurement, manometer is connected to pressure measurement (wind) mouth. Be equipped with flow control valve on the tuber pipe, flow control valve and tuber pipe, all are connected through the express mail between tuber pipe and the active carbon sample cup that awaits measuring. The device is mainly applied to evaluating whether air flows passing through the activated carbon sample cup and the iodine adsorber are consistent or not so as to conveniently use the activated carbon in the sample cup to carry out a laboratory iodine removal performance test, thereby evaluating the iodine removal performance of the iodine adsorber installed on a system, solving the problem of inconvenience in carrying out representative verification of the activated carbon sample cup and the problem of influence of system air flow interference on a field test result, being capable of rapidly and objectively and accurately judging the representativeness of the activated carbon sample cup and further ensuring the reliability of performance evaluation of a nuclear ventilation purification system.
Description
Technical Field
The utility model belongs to the technical field of nuclear ventilation clean system and specifically relates to a device of off-line test active carbon sample cup representativeness.
Background
In nuclear ventilation purification systems, an iodine adsorber is typically installed to remove airborne radioactive iodine. The radioactive methyl iodine method, the field mechanical leakage rate test and the laboratory activated carbon sample iodine removal performance combined method are generally adopted to judge whether the iodine removal performance of the iodine adsorber meets the requirements. When the field mechanical leakage rate test and the iodine removal performance combination method of the laboratory activated carbon sample are adopted, in order to provide a representative activated carbon sample for a laboratory without influencing the performance of an iodine adsorber, a collector (an activated carbon sample cup for short) which can be taken down from a bent and contains enough adsorption medium for developing the iodine removal performance in the laboratory is specially designed on the bent of the iodine adsorber, and only when the air flows flowing through the activated carbon sample cup and the iodine adsorber are consistent, the activated carbon in the sample cup can represent the activated carbon filled in the iodine adsorber to perform laboratory iodine removal performance evaluation, so that the development of the representative judgment of the activated carbon sample cup is necessary. In order to solve the problem that the representative test of the activated carbon sample cup is inconvenient to develop due to limited channels or the influence of the system airflow interference on the field test result, the device for developing the representative test of the activated carbon sample cup off line is designed and developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a device for off-line testing the representativeness of an active carbon sample cup.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides a device that off-line test active carbon appearance cup is representative, includes the tuber pipe of being connected with the active carbon appearance cup that awaits measuring, with the jet pump of tuber pipe tip intercommunication, the jet pump is connected compressed air pipe, is equipped with pressure measurement (wind) mouth on the side of tuber pipe, and when the pressure measurement, manometer is connected to pressure measurement (wind) mouth.
Furthermore, a flow regulating valve is arranged on the air pipe, the flow regulating valve is connected with the air pipe, and the air pipe is connected with the activated carbon sample cup to be detected through quick connectors.
Furthermore, the quick connecting piece is formed by hermetically connecting a flange at the port of the activated carbon sample cup to be detected and a flange at the end part of the air pipe, and connecting a flange at the end part of the flow regulating valve and a flange at the end part of the air pipe through clamping hoops.
Further, a pressure regulating valve and a pressure gauge are arranged on the compressed air pipe.
Further, the jet pump is vertically communicated with the air inlet pipe.
Further, the jet pump discharges airflow through an air outlet pipe.
Furthermore, activated carbon in the same batch as that in the iodine adsorber is filled in the activated carbon sample cup to be detected, and the activated carbon sample cup to be detected is installed on a bent of the iodine adsorber of the system.
The utility model has the advantages that: the device is mainly applied to evaluating whether air flows passing through the activated carbon sample cup and the iodine adsorber are consistent or not so as to conveniently use the activated carbon in the sample cup to carry out a laboratory iodine removal performance test, thereby evaluating the iodine removal performance of the iodine adsorber installed on a system, solving the problem of inconvenience in carrying out representative verification of the activated carbon sample cup and the problem of influence of system air flow interference on a field test result, being capable of rapidly and objectively and accurately judging the representativeness of the activated carbon sample cup and further ensuring the reliability of performance evaluation of a nuclear ventilation purification system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, a device for off-line testing the representativeness of an activated carbon sample cup comprises an air inlet pipe 2 connected with the activated carbon sample cup 1 to be tested, an injection pump 10 communicated with the end part of the air inlet pipe 2, the injection pump 10 is connected with a compressed air pipe 4, a pressure measuring (air) port 5 is arranged on the side surface of the air inlet pipe 2, and when measuring pressure, the pressure measuring (air) port 5 is connected with a pressure gauge.
Furthermore, the air inlet pipe 2 is provided with a flow regulating valve 3, the flow regulating valve 3 is connected with the air inlet pipe 2, and the air inlet pipe 2 is connected with the activated carbon sample cup 1 to be tested through a quick connector.
Further, the quick connecting piece is a first flange 7 arranged at the end part of the air inlet pipe 2 and a second flange 8 arranged at the port of the activated carbon sample cup 1 to be tested, and the first flange 7 arranged at the end part of the air inlet pipe and a third flange 6 arranged at the port of the flow regulating valve 3 are connected in a sealing mode through a clamping hoop.
Further, the compressed air pipe 4 is provided with a pressure regulating valve 9 and a pressure gauge 11.
The injection pump 10 is vertically communicated with the air inlet pipe 2 and discharges air flow through the air outlet pipe 2.
Activated carbon in the same batch as that in the iodine adsorber is filled in the activated carbon sample cup 1 to be tested, and the activated carbon sample cup to be tested is arranged on a bent of the iodine adsorber of the system.
When the representativeness of the activated carbon sample cup 1 to be tested needs to be evaluated, the activated carbon sample cup 1 to be tested, which is to be installed on a system iodine absorber rack and is filled with activated carbon in the same batch as the activated carbon in the iodine absorber, is fixedly connected with an air pipe 2, a flow regulating valve 3, an injection pump 10 and the like, a compressed air pipe 4 is connected with a compressed air source, the differential pressure of the activated carbon sample cup 1 to be tested is consistent with the differential pressure of the iodine absorber meeting the requirements of the field airflow flow rate by regulating a pressure regulating valve 9 or/and the flow regulating valve 3 on the air pipe 2, and whether the airflow flow rate passing through the activated carbon sample cup 1 to be tested meets the corresponding requirements is judged; the flow velocity of the air flow passing through the activated carbon sample cup 1 to be detected can be adjusted within the range meeting the requirement, and whether the differential pressure of the activated carbon sample cup 1 to be detected meets the requirement or not can be judged.
The device is mainly applied to evaluating whether air flows passing through the activated carbon sample cup and the iodine adsorber are consistent or not so as to conveniently use the activated carbon in the sample cup to carry out a laboratory iodine removal performance test, thereby evaluating the iodine removal performance of the iodine adsorber installed on a system, solving the problem of inconvenience in carrying out representative verification of the activated carbon sample cup and the problem of influence of system air flow interference on a field test result, being capable of rapidly and objectively and accurately judging the representativeness of the activated carbon sample cup and further ensuring the reliability of performance evaluation of a nuclear ventilation purification system.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a device that off-line test active carbon appearance cup is representative, its characterized in that includes the tuber pipe of being connected with the active carbon appearance cup that awaits measuring, with the jet pump of tuber pipe tip intercommunication, the jet pump is connected compressed air pipe, is equipped with the pressure measurement wind gap on the side of tuber pipe, and when the pressure measurement, the manometer is connected to the pressure measurement wind gap.
2. The device for off-line testing of the representativeness of the activated carbon sample cups according to claim 1, wherein a flow control valve is arranged on the air pipe, the flow control valve is connected with the air pipe, and the air pipe is connected with the activated carbon sample cup to be tested through a quick connector.
3. The device for off-line testing of the representativeness of the activated carbon sample cup according to claim 2, wherein the quick-connecting pieces are formed by hermetically connecting a flange of the port of the activated carbon sample cup to be tested with a flange of the end part of the air pipe, and connecting a flange of the end part of the flow regulating valve with a flange of the end part of the air pipe through clamping bands.
4. The device for off-line testing of the representativeness of the activated carbon sample cups according to claim 3, wherein a pressure regulating valve and a pressure gauge are arranged on the compressed air pipe.
5. The device of claim 3, wherein the jet pump is in vertical communication with the inlet air duct and exhausts the air flow through the outlet air duct.
6. The device for off-line testing of the representativeness of the activated carbon sample cups according to claim 3, wherein the activated carbon sample cup to be tested is filled with the activated carbon of the same batch as that in the iodine adsorber, and the activated carbon sample cup to be tested is mounted on the iodine adsorber bent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361875.5U CN212031523U (en) | 2020-03-20 | 2020-03-20 | Device for off-line testing representativeness of activated carbon sample cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361875.5U CN212031523U (en) | 2020-03-20 | 2020-03-20 | Device for off-line testing representativeness of activated carbon sample cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212031523U true CN212031523U (en) | 2020-11-27 |
Family
ID=73484637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020361875.5U Active CN212031523U (en) | 2020-03-20 | 2020-03-20 | Device for off-line testing representativeness of activated carbon sample cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212031523U (en) |
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2020
- 2020-03-20 CN CN202020361875.5U patent/CN212031523U/en active Active
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