CN113804374B - Radioactive article transport container spray test device - Google Patents
Radioactive article transport container spray test device Download PDFInfo
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- CN113804374B CN113804374B CN202110908343.8A CN202110908343A CN113804374B CN 113804374 B CN113804374 B CN 113804374B CN 202110908343 A CN202110908343 A CN 202110908343A CN 113804374 B CN113804374 B CN 113804374B
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- spray
- article transport
- transport container
- test device
- liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention belongs to the field of radioactive article transportation safety, and relates to a radioactive article transportation container spray test device. The radioactive article transport container spray test device provided by the invention can simultaneously provide spray tests for the front, rear, left, right and upper five directions of the container for carrying out the spray tests, and the spray flow in each direction is equivalent to 5cm/h of rainfall, thereby meeting the specification of GB11806-2019 radioactive article safety transportation regulations. By adopting the spray test device provided by the invention, the simulation spray test of exposing the radioactive article transport container for at least 1h in the environment with the precipitation amount of 5cm per hour can be ensured before the radioactive article transport container is put into use, so that the use safety of the radioactive article transport container can be ensured.
Description
Technical Field
The invention belongs to the field of radioactive article transportation safety, and relates to a radioactive article transportation container spray test device.
Background
According to the national relevant regulation requirements, before a part of radioactive article transport containers are put into use, water spraying tests are required to be carried out and corresponding permissions are acquired, and in GB11806-2019 'radioactive article safety transportation regulations', a sample is required to be subjected to a simulated spraying test in an environment with precipitation of 5cm per hour for exposure for at least 1 hour, so that the use safety of the radioactive article transport containers is ensured.
In order to effectively solve the problem of spray test of the radioactive article transport container, it is necessary to design and manufacture a spray test device of the radioactive article transport container so as to ensure that the radioactive article transport container is exposed to a simulated spray test for at least 1h in an environment with precipitation of 5cm per hour before being put into use, thereby ensuring the use safety of the radioactive article transport container.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a radioactive article transport container spray test device which is used for spray tests of radioactive article transport containers so as to effectively ensure the use safety of the radioactive article transport containers.
To achieve this object, the present invention provides a spray test device for a radioactive article transport container, the device comprising a liquid supply system, a spray body, and a liquid recovery system, wherein:
the liquid supply system comprises a reservoir, a water pump, a flow valve, a pressure gauge and a valve fitting which are connected through pipelines;
the spray main body is of a straight parallelepiped structure, a plurality of spray pipes are arranged on the front face, the rear face, the left face, the right face and the upper face of the spray main body, and a plurality of spray heads are arranged on each spray pipe; the spray pipe is connected to a busbar connected with the liquid supply system pipeline;
the liquid recovery system comprises a water suction pump, a recovery tank, corresponding connecting pipelines and valve fittings, liquid sprayed out from the spray head flows into the recovery tank, and the liquid in the recovery tank is re-conveyed into the reservoir through the water suction pump.
Further, the liquid supply system may further include a booster pump, which may need to be activated if the pump is not pressurized enough.
Further, the liquid supply system further comprises a timer, and the adjustment range of the timer is 0-4 h.
Further, the adjustable angle of the flow valve is 0-90 degrees; the pressure gauge is a digital pressure gauge, the measuring range is 0-0.6 MPa, and the precision is +/-0.5%.
Further, the cross section of the spray main body is square, and the spray main body is made of aluminum alloy materials.
Furthermore, the spray pipe is made of random copolymer polypropylene, is connected to the busbar through an adapter, and is used for providing spray liquid with specified flow and pressure for the spray main body at regular time.
Further, the pipeline materials used in the liquid supply system and the liquid recovery system are random copolymer polypropylene.
Further, the spray head is a spray head with adjustable flow rate of sprayed liquid.
Further, the spray heads are fixed flow spray heads, and the working pressure of each fixed flow spray head is 0.1-0.4 MPa.
Further, when the spray test is performed, the flow rate of each fixed flow nozzle is 10L/min, 4 spray pipes are respectively arranged on the front surface, the rear surface, the left surface, the right surface and the upper surface of the spray main body, 3 fixed flow nozzles are arranged on each spray pipe, the spray test is simultaneously provided for the front direction, the rear direction, the left direction, the right direction and the upper direction of a container for performing the spray test, and the spray flow rate in each direction is equivalent to 5cm/h of rainfall.
The radioactive article transport container spray test device has the beneficial effects that by adopting the radioactive article transport container spray test device provided by the invention, spray liquid can be taken out of the reservoir through the water suction pump and the booster pump, and the spray liquid is provided for the spray main body at regular time through the flow valve, the pressure gauge, the timer, the corresponding connecting pipeline, the valve and other accessories, so that the spray liquid supply with specified flow and pressure is realized; the front, rear, left, right and upper five sides of the spray main body are provided with a plurality of spray pipes, and a plurality of spray heads are arranged on each spray pipe, so that the spray test is simultaneously provided in the front, rear, left, right and upper five directions of a container for performing the spray test, the spray flow in each direction is equivalent to the rainfall of 5cm/h, and the requirements of GB11806-2019 'radioactive article safety transportation regulations' are met; the liquid sprayed out through the spray head and flowing into the recovery tank is conveyed back to the reservoir through the water suction pump, the corresponding connecting pipeline, the valve and other accessories, so that repeated and repeated recycling of the sprayed liquid can be realized. By adopting the spray test device provided by the invention, the simulation spray test of exposing the radioactive article transport container for at least 1h in the environment with the precipitation amount of 5cm per hour can be ensured before the radioactive article transport container is put into use, so that the use safety of the radioactive article transport container can be ensured.
Drawings
Fig. 1 is a schematic diagram of a spray test device for a radioactive article transport container provided by the invention.
Fig. 2 is a schematic view of a spray body of a radioactive article transport container provided by the present invention.
In the figure, a reservoir 1, a water suction pump 3, a booster pump 4, a flow valve 5, a pressure gauge 6, a spray main body 7, a recovery tank 8, a water suction pump 9, a busbar 10, a spray pipe 11 and a spray head
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention will be further described with reference to the drawings and detailed description below in order to make the above objects, features and advantages of the present invention more comprehensible.
As shown in fig. 1, the spray test device for the radioactive article transport container of the present invention comprises a liquid supply system, a spray main body 6 and a liquid recovery system, wherein:
the liquid supply system sequentially comprises a reservoir 1, a water pump 2, a booster pump 3, a flow valve 4, a pressure gauge 5, a timer, corresponding connecting pipelines, valves and other accessories along the liquid supply flow direction, and is mainly used for supplying spraying liquid for the spraying main body 6 at regular time to realize the spraying liquid supply with specified flow and pressure.
In the present embodiment, the lift of the suction pump 2 is 25m, and the flow rate is 60m 3 /h; the adjustable angle of the flow valve 4 is 0-90 degrees; the pressure gauge 5 is a digital pressure gauge, the measuring range is 0-0.6 MPa, and the precision is +/-0.5%; the adjusting range of the timer is 0-4 h. In the spray test, the flow valve 4 was adjusted so that the reading of the pressure gauge 5 was 0.3MPa for supplying the spray body 6 with the spray liquid. Since the pressure of the suction pump 2 is sufficient in the present embodiment, the booster pump 3 is not activated; if the pressure of the suction pump 2 is insufficient, the booster pump 3 needs to be used.
As shown in fig. 2, a spray body 6 of the spray test device for the radioactive article transport container has a square-shaped cross-section and is made of an aluminum alloy material, a plurality of spray pipes 10 are installed on five surfaces of the front, rear, left, right and upper parts of the spray body 6 by taking the center of the interior of the spray body 6 as a reference system, the spray pipes 10 are made of random copolymer polypropylene (PPR), a certain number of orifices are formed in each spray pipe 10 and are used for installing spray heads 11, and all spray pipes 10 are connected to a busbar 9 through adapters. The spray head 11 is an adjustable spray head, so that the flow rate of liquid sprayed by the spray head 11 can be adjusted; the fixed flow nozzle can also be selected, and the integral spraying flow can be adjusted by adjusting the quantity of the fixed flow nozzle. The shower body 6 and the shower pipe 10 can be replaced with a structure and a material as needed. After flowing into the busbar 9, the spray liquid supplied from the liquid supply system enters the corresponding spray pipes 10 through the adapters, and is sprayed out from the spray heads 11 mounted on the spray pipes 10.
In this embodiment, when the spray test is performed, it is necessary to perform the spray from five front, rear, left, right and upper sides of the spray body 6 simultaneously, the spray flow rate of each side is 120L/min, 4 spray pipes 10 are respectively provided on the five front, rear, left, right and upper sides, 3 fixed flow rate spray heads are mounted on each spray pipe 10, the flow rate of each fixed flow rate spray head is 10L/min, the working pressure of each fixed flow rate spray head is 0.1 to 0.4MPa, and the spray test can be performed in 5 directions of the front, rear, left, right and upper sides of the container for performing the spray test simultaneously, and the spray flow rate in each direction is equivalent to the rainfall of 5cm/h.
As shown in fig. 1, the liquid recovery system comprises a water suction pump 8, a recovery tank 7, corresponding connecting pipelines, valves and other accessories, and the liquid sprayed by a fixed flow nozzle on a spray pipe 10 is returned to a reservoir 1 of the liquid supply system from the recovery tank 7 through the water suction pump 8, so that the sprayed liquid can be recycled for multiple times.
In the present embodiment, the pipeline used in the liquid recovery system is made of PPR material, the lift of the suction pump 8 is 15m, and the flow is 1.5m 3 /h。
The radioactive article transport container spray test device provided by the invention is practically applied to spray tests of some radioactive article transport containers, such as 200L waste barrels.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are merely illustrative of the present invention and various modifications and variations may be made thereto by those skilled in the art without departing from the spirit and scope of the present invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. A radioactive article transport container spray test device, the device comprising a liquid supply system, a spray body, and a liquid recovery system, wherein:
the liquid supply system comprises a reservoir, a water pump, a flow valve, a pressure gauge and a valve fitting which are connected through pipelines;
the spray main body is of a straight parallelepiped structure, a plurality of spray pipes are arranged on the front face, the rear face, the left face, the right face and the upper face of the spray main body, and a plurality of spray heads are arranged on each spray pipe; the spray pipe is connected to a busbar connected with the liquid supply system pipeline;
the liquid recovery system comprises a water suction pump, a recovery tank, corresponding connecting pipelines and valve fittings, wherein liquid sprayed out from the spray head flows into the recovery tank, and the liquid in the recovery tank is re-conveyed into the reservoir through the water suction pump;
the liquid supply system further comprises a timer, and the adjusting range of the timer is 0-4 h;
the spray pipe is made of random copolymer polypropylene, is connected to the busbar through an adapter, and is used for providing spray liquid with specified flow and pressure for the spray main body at fixed time;
the spray heads are fixed flow spray heads, and the working pressure of each fixed flow spray head is 0.1-0.4 MPa.
2. The spray test device for a radioactive article transport container of claim 1, wherein said liquid supply system further comprises a booster pump, said booster pump being required to be activated if the pressure of said pump is insufficient.
3. The radioactive article transport container spray test device according to claim 1, wherein the adjustable angle of the flow valve is 0-90 °; the pressure gauge is a digital pressure gauge, the measuring range is 0-0.6 MPa, and the precision is +/-0.5%.
4. The spray test device for a radioactive article transport container of claim 1, wherein said spray body is square in cross section and is made of aluminum alloy material.
5. The spray test device for a radioactive article transport container according to claim 1, wherein the pipeline material used for the liquid supply system and the liquid recovery system is random copolymer polypropylene.
6. The spray test device for the radioactive article transport container according to claim 1, wherein when the spray test is performed, the flow rate of each of the fixed flow rate spray nozzles is 10L/min, 4 spray pipes are respectively arranged on five surfaces of the front, rear, left, right and upper parts of the spray main body, 3 fixed flow rate spray nozzles are arranged on each spray pipe, the spray test is simultaneously provided for 5 directions of the front, rear, left, right and upper parts of the container for the spray test, and the spray flow rate in each direction is equivalent to 5cm/h of rainfall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110908343.8A CN113804374B (en) | 2021-08-09 | 2021-08-09 | Radioactive article transport container spray test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110908343.8A CN113804374B (en) | 2021-08-09 | 2021-08-09 | Radioactive article transport container spray test device |
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| CN113804374A CN113804374A (en) | 2021-12-17 |
| CN113804374B true CN113804374B (en) | 2023-10-20 |
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