CN210131509U - Movable iodine adsorber verifying attachment - Google Patents
Movable iodine adsorber verifying attachment Download PDFInfo
- Publication number
- CN210131509U CN210131509U CN201920416252.0U CN201920416252U CN210131509U CN 210131509 U CN210131509 U CN 210131509U CN 201920416252 U CN201920416252 U CN 201920416252U CN 210131509 U CN210131509 U CN 210131509U
- Authority
- CN
- China
- Prior art keywords
- adsorber
- box body
- air
- iodine
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The utility model relates to a movable iodine adsorber verifying attachment, including adsorber box and fan box, the bottom of adsorber box and fan box has the gyro wheel, and the adsorber box has air inlet and gas outlet, and the air inlet of adsorber box is connected the inlet tube subassembly, and the gas outlet of adsorber box is connected the outlet tube subassembly, and the outlet tube subassembly is connected the fan box; the side of the absorber box body is provided with a movable cover plate, the matching position of the cover plate and the absorber box body is provided with a pressure plate, and the pressure plate is fixed on the absorber box body through a positioning piece. The device is used for rapidly detecting the effectiveness of the iodine adsorber in a nuclear power site, reduces the unavailable time of a nuclear facility ventilation system caused by the quality problem of the iodine adsorber, and can be also used as a purifier for removing radioactive gas in nuclear power related places, underground mines, tunnels, civil air defense projects, emergency refuge places and the like so as to protect the health of workers and the safety of emergency personnel and the public under the nuclear accident condition.
Description
Technical Field
The utility model relates to a nuclear field check out test set, especially a movable iodine adsorber verifying attachment.
Background
In the production of the nuclear industry or the operation of nuclear facilities, radioactive gas is inevitably generated, and an iodine adsorber is a key device for controlling radioactive effluents to achieve safe discharge in the nuclear facilities and is an important link for realizing the radiation protection target, so that the guarantee of the function effectiveness of the iodine adsorber is of great importance. For the evaluation of the effectiveness of the iodine adsorber, radioactive methyl iodide and leak rate measurement are generally used. The working process is as follows: installing the iodine adsorber in a detection device, starting an exhaust fan, adjusting the flow passing through the iodine adsorber to be within +/-10% of the rated flow of the iodine adsorber, injecting a test reagent at a proper position on the upstream side of the iodine adsorber, simultaneously respectively measuring the concentration or activity of a test medium in upstream and downstream air flows of the iodine adsorber in a system, and measuring the efficiency of the iodine adsorber by comparing the concentrations in the upstream and downstream air flows. Generally, an efficiency test is carried out on the iodine adsorber when the iodine adsorber leaves a factory, and the iodine adsorber is transported to each nuclear power plant after the efficiency is determined to meet the requirement. However, the carbon layer may sink due to bumping during the long-distance transportation of the iodine adsorber, which causes short-circuiting of the air flow of the iodine adsorber and decreases the iodine removal efficiency. In order to quickly and efficiently verify the quality reliability of the iodine adsorber before the iodine adsorber is installed in a ventilation system of a power plant, a movable iodine adsorber inspection device is developed and used for the effectiveness evaluation of the iodine adsorber in a nuclear power site.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a movable iodine adsorber verifying attachment in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a movable iodine adsorber inspection device comprises an adsorber box body and a fan box body, wherein rollers are arranged at the bottoms of the adsorber box body and the fan box body, the adsorber box body is provided with an air inlet and an air outlet, the air inlet of the adsorber box body is connected with an air inlet pipe assembly, the air outlet of the adsorber box body is connected with an air outlet pipe assembly, and the air outlet pipe assembly is connected with the fan box body;
a movable cover plate is arranged on the side surface of the adsorber box body, a pressing plate is arranged at the position where the cover plate is matched with the adsorber box body, and the pressing plate is fixed on the adsorber box body through a positioning piece;
the air inlet pipe assembly comprises an air pipe, the middle part of the air pipe is connected with the heater through a flange, and the end part of the air pipe is connected with an air inlet of the adsorber box body through a flange.
Furthermore, the air outlet pipe assembly comprises a flexible connection air pipe, one end of the flexible connection air pipe is connected with the air outlet of the adsorber box body, the other end of the flexible connection air pipe is connected with the fan box body, and the flexible connection air pipe is provided with an air volume adjusting valve.
Furthermore, an iodine adsorber or an air filter is installed in the adsorber box, and an exhaust fan is installed in the fan box.
Furthermore, an air outlet is formed in the fan box body and connected with the sampling pipe, and the fan box body is provided with a handle.
Furthermore, an adsorber box body handle is installed on the cover plate, and the top of the adsorber box body is connected with a differential pressure gauge.
Furthermore, a multi-point injection pipe and a multi-point sampling pipe are connected to the air pipe.
Furthermore, a sealing rubber strip is arranged between the cover plate and the adsorber box body, and the positioning piece is a bolt.
Furthermore, filter screens are arranged at the air inlet and the air outlet of the adsorber box body.
The utility model has the advantages that: the device is used for rapidly detecting the effectiveness of the iodine adsorber in a nuclear power site, reduces the unavailable time of a nuclear facility ventilation system caused by the quality problem of the iodine adsorber, and provides help for analyzing the failure reason of the iodine adsorber system; in addition, the device can also be used as a purifier for removing radioactive gas in nuclear power related places, underground mines, tunnels, civil air defense projects, emergency shelters and the like so as to protect the health of workers and the safety of emergency personnel and the public in nuclear accident conditions.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, a movable iodine adsorber inspection device comprises an adsorber box body 1 and a fan box body 1, wherein the bottoms of the adsorber box body 1 and the fan box body 2 are provided with rolling wheels 3 or universal wheels for convenient carrying, the adsorber box body 1 is provided with an air inlet and an air outlet, filter screens are arranged on the air inlet and the air outlet of the adsorber box body 1, the air inlet of the adsorber box body is connected with an air inlet pipe assembly, the air outlet of the adsorber box body 1 is connected with an air outlet pipe assembly, and the air outlet pipe assembly is connected with the fan;
a movable cover plate 4 is arranged on the side surface of the adsorber box body 1, a pressing plate 5 is arranged at the matching position of the cover plate 4 and the adsorber box body 1, the pressing plate 5 is fixed on the adsorber box body 1 through a positioning piece, the positioning piece can adopt a bolt, the pressing plate 5 is fixed through the bolt, the pressing plate 5 presses and fixes the cover plate 4 and the adsorber box body 1, and a sealing rubber strip is arranged between the cover plate 4 and the adsorber box body 1 in order to ensure the sealing property;
furthermore, the air inlet pipe assembly comprises an air pipe 6, the middle part of the air pipe 6 is connected with a heater 8 through a flange 7, and the end part of the air pipe 6 is connected with an air inlet of the adsorber box body 1 through a flange.
The air outlet pipe component comprises a flexible connection air pipe 9, one end of the flexible connection air pipe 9 is connected with an air outlet of the adsorber box body 1, the other end of the flexible connection air pipe 9 is connected with the fan box body 2, and an air volume adjusting valve 10 is installed on the flexible connection air pipe 9.
Further, an iodine adsorber or an air filter is arranged in the adsorber box body 1, and an exhaust fan is arranged in the fan box body 2. An air outlet 11 is arranged on the fan box body 2, the air outlet 11 is connected with a sampling pipe 12, and the fan box body 2 is provided with a handle 13. An adsorber box body handle 14 is arranged on the cover plate 4, and the top of the adsorber box body 1 is connected with a pressure difference meter 15. The air pipe 6 is connected with a multi-point injection pipe 16 and a multi-point sampling pipe 17. The mixing uniformity requirement of the test medium injected from the multi-point injection pipe 16 when reaching the upstream sampling port is met, and meanwhile, the length of the air pipe is shortened as much as possible, so that the overall length of the system is shortened, the purpose of miniaturization is achieved, and the requirement on a field test site is reduced; because the air current has already reached the requirement of mixing homogeneity after the fan blade disturbance, consequently, the downstream sampling point adopts single-point sampling.
The operation process of the patent is as follows:
the device can realize two purposes, namely iodine adsorber inspection and air purification.
And (3) inspecting an iodine adsorber:
1. connecting all parts of the iodine adsorber inspection system by vacuum quick-release flanges according to the attached drawings;
2. correctly installing the iodine adsorber into the adsorber box body 1, fastening the cover plate 4 and fixing the cover plate by the pressing plate 5;
3. and a 220V power line is connected, a power switch is turned on, an exhaust fan in the fan box body 2 is started, airflow enters from the air inlet under the action of the exhaust fan, passes through the iodine adsorber and the exhaust fan and is discharged from the air outlet.
4. Measuring and adjusting the air quantity through an air quantity adjusting valve 10 to enable the air quantity to be within +/-10% of the rated air quantity of the iodine adsorber;
5. measuring the relative humidity of the air flow of the system, and installing and starting the heater 8 when the relative humidity does not meet the requirement; reading and recording the pressure difference at two ends of the iodine adsorber through a pressure difference meter 15;
6. connecting a tracer generator to a multipoint injection pipe 16 of the system, connecting a sampling detector to a sampling pipe 12, starting the tracer generator, sampling and detecting the concentration of the tracer in upstream and downstream air flows of the iodine adsorber at the sampling pipe 12, calculating the filtration efficiency of the iodine adsorber by comparing the upstream and downstream concentrations, and comparing the filtration efficiency with an acceptance value to judge whether the iodine adsorber meets the requirements.
7. After the test is finished, the iodine adsorber is detached from the box body, and the system is disassembled and stored for next use.
Purifying polluted gas:
1. connecting the components of the system by using a vacuum quick-release flange according to the attached drawings;
2. correctly installing an iodine adsorber or a high-efficiency air filter into an adsorber box body 1, fastening a cover plate 4 and fixing the cover plate by a pressing plate 5;
3. the 220V power supply is connected, the power switch is turned on, the exhaust fan is started at the moment, polluted airflow enters from the air inlet pipe 6 under the action of the fan, polluted components are intercepted in the system through the high-efficiency air particle filter or the iodine adsorber, and purified gas is discharged from the air outlet. When a high efficiency air particle filter is installed, the device can be used to remove contaminated dust and aerosols; when the iodine adsorber is installed, the device can be used for removing gas components such as radioactive iodine in polluted gas flow.
And when the resistance of the installed high-efficiency filter reaches 2 times of the initial resistance, the high-efficiency air filter is replaced.
The device is used for rapidly detecting the effectiveness of the iodine adsorber in a nuclear power site, reduces the unavailable time of a nuclear facility ventilation system caused by the quality problem of the iodine adsorber, and provides help for analyzing the failure reason of the iodine adsorber system; in addition, the device can also be used as a purifier for removing radioactive gas in nuclear power related places, underground mines, tunnels, civil air defense projects, emergency shelters and the like so as to protect the health of workers and the safety of emergency personnel and the public in nuclear accident conditions.
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 (8)
1. A movable iodine adsorber inspection device comprises an adsorber box body and a fan box body, and is characterized in that rollers are arranged at the bottoms of the adsorber box body and the fan box body, the adsorber box body is provided with an air inlet and an air outlet, the air inlet of the adsorber box body is connected with an air inlet pipe assembly, the air outlet of the adsorber box body is connected with an air outlet pipe assembly, and the air outlet pipe assembly is connected with the fan box body;
a movable cover plate is arranged on the side surface of the adsorber box body, a pressing plate is arranged at the position where the cover plate is matched with the adsorber box body, and the pressing plate is fixed on the adsorber box body through a positioning piece;
the air inlet pipe assembly comprises an air pipe, the middle part of the air pipe is connected with the heater through a flange, and the end part of the air pipe is connected with an air inlet of the adsorber box body through a flange.
2. The device for testing the movable iodine adsorber according to claim 1, wherein the air outlet pipe assembly comprises a flexible connecting air pipe, one end of the flexible connecting air pipe is connected with the air outlet of the adsorber box body, the other end of the flexible connecting air pipe is connected with the fan box body, and an air volume adjusting valve is installed on the flexible connecting air pipe.
3. The portable iodine adsorber testing device of claim 2 wherein an iodine adsorber or an air filter is mounted in said adsorber box, and an exhaust fan is mounted in said fan box.
4. The device for testing the movable iodine adsorber according to claim 3, wherein the fan box is provided with an air outlet, the air outlet is connected with the sampling pipe, and the fan box is provided with a handle.
5. The portable iodine adsorber testing device of claim 3 wherein said cover plate has an adsorber housing handle attached thereto and the top of the adsorber housing is connected to a pressure differential gauge.
6. The portable iodine adsorber testing apparatus of claim 1 wherein said ductwork is connected to a multi-point injection pipe and a multi-point sampling pipe.
7. The portable iodine adsorber testing device of claim 1 wherein a sealing strip is disposed between the cover plate and the adsorber housing, and the positioning member is a bolt.
8. The portable iodine adsorber testing apparatus of claim 1 wherein the air inlet and air outlet of said adsorber housing are fitted with filter screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920416252.0U CN210131509U (en) | 2019-03-29 | 2019-03-29 | Movable iodine adsorber verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920416252.0U CN210131509U (en) | 2019-03-29 | 2019-03-29 | Movable iodine adsorber verifying attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210131509U true CN210131509U (en) | 2020-03-10 |
Family
ID=69703160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920416252.0U Active CN210131509U (en) | 2019-03-29 | 2019-03-29 | Movable iodine adsorber verifying attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210131509U (en) |
-
2019
- 2019-03-29 CN CN201920416252.0U patent/CN210131509U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10241096B2 (en) | Non-methane total hydrocarbons analysis apparatus and method for the same | |
| US8919184B2 (en) | Leak testing method and leak testing device for iodine filter | |
| CN207248581U (en) | A kind of sampling system for being used to measure escape ammonia density total in flue gas | |
| CN202595176U (en) | Dust content detection device for blast furnace gas | |
| Zingg | A portable wind tunnel and dust collector developed to evaluate the erodibility of field surfaces | |
| CN103471876B (en) | Dilution sampling probe | |
| CN110726776A (en) | Equipment and method for testing adsorption efficiency of iodine adsorber of nuclear facility | |
| CN111024752B (en) | Hydrogen fuel cell automobile exhaust check out test set | |
| CN210131509U (en) | Movable iodine adsorber verifying attachment | |
| CN110715975A (en) | Online measuring device and method for evaluating efficiency of iodine adsorber by using non-radioactive methyl iodide | |
| CN109387466A (en) | The efficiency inspection system of high efficiency particulate air filter for nuclear leve air cleaning unit | |
| CN209372636U (en) | A kind of filter clogging effect verifying attachment | |
| CN201319001Y (en) | Radioactive iodine sampling device | |
| CN108986936B (en) | Method and device for multi-stage iodine adsorber drainage leakage rate test | |
| CN104406932B (en) | The determination of uv absorption method of stationary source waste gas sulfur dioxide | |
| CN113324777B (en) | Polymorphic radioactive iodine environment simulation and equipment comprehensive evaluation equipment | |
| CN207351627U (en) | The system for detecting water purification catridge air-tightness | |
| CN206710368U (en) | A kind of formaldehyde, ammonia detection means | |
| CN217795374U (en) | Recovery system of micro high-concentration volatile organic compounds | |
| CN212228650U (en) | Iodine adsorber check out test set | |
| CN106872540A (en) | A kind of formaldehyde, ammonia detection means and its detection method | |
| CN109238908A (en) | The method for detecting the dust content of coal gas in blast-furnace top gas recovery turbine generator | |
| CN207717449U (en) | A kind of sampler that blocks water for denitration detector | |
| CN219798896U (en) | Smoke sampling system for blast furnace gas | |
| CN220490783U (en) | Gas detection equipment with gas capturing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |