CN214211627U - Handheld decontamination device for nuclear power station - Google Patents
Handheld decontamination device for nuclear power station Download PDFInfo
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- CN214211627U CN214211627U CN202021980961.0U CN202021980961U CN214211627U CN 214211627 U CN214211627 U CN 214211627U CN 202021980961 U CN202021980961 U CN 202021980961U CN 214211627 U CN214211627 U CN 214211627U
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- water tank
- pipeline
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- desalting
- winch
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Abstract
The utility model belongs to the technical field of the nuclear power station liquid washs, concretely relates to hand-held type decontamination plant for nuclear power station. Comprises a desalting water tank, a winch and a handheld rod; the desalting water tank is connected with a water replenishing pipeline, a ball float valve is arranged in the desalting water tank, and a dosing hole is formed in the upper end of the desalting water tank; the winch connects the pipeline at the front end with the hose at the rear end in a winding manner, and the hose is connected with the handheld rod. The desalting water tank, the booster pump, the flow integrator, the winch and the handheld rod are sequentially connected to form a cleaning loop. The water tank is connected with a water replenishing pipeline, a ball float valve is arranged at the joint to keep the liquid level, and a chemical adding hole is arranged above the water tank to add chemical reagents for cleaning. The decontamination plant removes to waiting to wash the water tank dead ahead, adjustment hose length makes personnel's operation handheld pole aim at storage water tank hole center, opens the water tank drain, can decontaminate the washing in order to reach the purpose of getting rid of impurity and reducing radioactivity level to container inner walls such as water tank.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power station liquid washs, concretely relates to hand-held type decontamination plant for nuclear power station.
Background
Along with the long-term operation of the nuclear power station, water tanks in related process systems are easy to scale, and long-term scaling easily causes corrosion of materials on the inner walls of the water tanks and blocks pipelines of instruments such as pipelines or liquid level meters;
if the inner wall of the water tank container is not cleaned in time, impurities and the reduced radioactivity level can not meet the requirements, the operation of the whole process system is damaged, and operation accidents can be caused under the serious condition.
In order to clean scales on the inner wall of the water tank and ensure the normal operation of a power plant, a handheld decontamination device for a nuclear power station needs to be designed to clean and decontaminate the inner wall of the water tank.
Disclosure of Invention
The utility model aims at providing a hand-held type decontamination plant for nuclear power station can decontaminate to container inner walls such as water tanks and wash in order to reach the purpose of getting rid of impurity and reducing radioactivity level.
The technical scheme of the utility model as follows:
a handheld decontamination device for a nuclear power station comprises a demineralized water tank, a winch and a handheld rod, wherein the winch is connected with the demineralized water tank through a pipeline; the desalting water tank is connected with a water replenishing pipeline, a ball float valve is arranged in the desalting water tank, and a dosing hole is formed in the upper end of the desalting water tank; the winch connects the pipeline at the front end with the hose at the rear end in a winding manner, and the hose is connected with the handheld rod.
An outlet at the lower end of the desalting water tank is sequentially connected with a booster pump and a flow integrator through pipelines, and the flow integrator is arranged on a pipeline at the front end of the winch; and a pipeline is additionally arranged on the pipeline between the booster pump and the flow integrator through a tee joint and is communicated with the desalting water tank.
And a pressure monitoring device is arranged on a pipeline between the booster pump and the tee joint.
The volume of the desalting water tank is 1-5 m3。
The outlet pressure of the booster pump is 0.8MPa-1.2 MPa.
The desalting water tank replenishes water to a water level above 2/3
The utility model discloses the effect as follows: the desalting water tank, the booster pump, the flow integrator, the winch and the handheld rod are sequentially connected to form a cleaning loop. The water tank is connected with a water replenishing pipeline, a ball float valve is arranged at the joint to keep the liquid level, and a chemical adding hole is arranged above the water tank to add chemical reagents for cleaning. The booster pump is provided with pressure monitoring device at the mouth to from the pump export pipeline of drawing out all the way and returning to the water tank, be equipped with the governing valve on the pipeline and be used for adjusting the flow of booster pump. The decontamination device is moved to the position right in front of the water tank to be cleaned, the length of the hose is adjusted, so that a person operates the hand-held rod to align to the center of the hole of the water storage tank, and a sewage outlet of the water tank is opened.
Drawings
FIG. 1 is a schematic view of a hand-held decontamination device for a nuclear power plant;
in the figure: 1-water replenishing pipeline; 2-a ball float valve; 3-a demineralized water tank; 4, medicine adding holes; 5, a booster pump; 6-a pressure monitoring device; 7-adjusting valve; 8-a flow integrator; 9-a winch; 10-hand-held rod.
Detailed Description
The present invention will be further explained with reference to the drawings and the detailed description.
As shown in fig. 1, the handheld decontamination apparatus for a nuclear power plant includes a demineralized water tank 3, a booster pump 5, a flow integrator 8, a winch 9, and a handheld rod 10, which are connected in sequence by a pipeline to form a cleaning pipeline.
The hand-held wand 10 is connected to a hose. The liquid sprayed out from the connecting hose is sprayed to the container to be cleaned in all directions by holding the cleaning device with an operator.
The demineralized water tank 3 is connected with the water replenishing pipeline 1, and the inside of the demineralized water tank 3 is provided with a ball float valve 2 for ensuring the water quantity in the water tank by an operator. The upper end of the desalting water tank 3 is provided with a dosing hole 4 for adding a chemical reagent for cleaning.
The lower end outlet of the desalting water tank 3 is sequentially connected with a booster pump 5, a flow integrator 8 and a winch 9 through pipelines, a pipeline is additionally arranged on the pipeline between the booster pump 5 and the flow integrator 8 through a tee joint and is communicated with the desalting water tank 3, and a pressure monitoring device 6 (a pressure gauge) is arranged on the pipeline between the booster pump 5 and the tee joint.
The pressure monitoring device 6 is used for monitoring the outlet pressure of the booster pump, the regulating valve 7 is used for regulating the system flow, and the flow integrator 8 is used for measuring the system flow.
The front end of the winch 9 is connected with the hose at the rear end in a winding manner, and the hose is connected with the hand-held rod 10 for spraying.
Preferably, the demineralized water tank 3 has a volume of 3m3The liquid level of the water tank is ensured through the ball float valve 2, and the water tank is provided with a water inletThe water supply pipeline 1 is connected with a water source.
Preferably, the outlet pressure of the booster pump 5 is 0.8MPa to 1.2MPa, and more preferably, the outlet pressure is 1 MPa.
Preferably, the flow integrator 8 is provided with a flow integrator, a total flow is set, an automatic alarm is given when the integrator reaches a set value, a pressure-resistant hose is used at the outlet of the flow integrator 8, the pressure-resistant hose is coiled on a winch 9, and the front end of the pressure-resistant hose is fixedly connected with a handheld rod 10.
During operation, the water replenishing pipeline 1 is connected with a water source, the demineralized water tank 3 replenishes water to a water level above 2/3, the ball float valve 2 is automatically closed, and chemical reagents for cleaning are added according to needs. Remove decontamination plant to treating to wash water tank dead ahead, adjustment hose length, personnel operate handheld pole 10 and aim at water tank manhole center, open the water tank drain.
In addition, according to the size of the water tank to be cleaned, the total flow rate of decontamination can be set on the flow integrator 8, a manhole is opened, the handheld rod 10 is inserted, the booster pump 5 is started to start cleaning, and the handheld rod is retracted after cleaning is finished.
Claims (6)
1. The utility model provides a hand-held type decontamination plant for nuclear power station which characterized in that: comprises a desalted water tank (3), a winch (9) connected with the desalted water tank (3) through a pipeline and a handheld rod (10); the desalting water tank (3) is connected with a water replenishing pipeline (1), a ball float valve (2) is arranged in the desalting water tank (3), and a dosing hole (4) is formed in the upper end of the desalting water tank (3); the winch (9) connects the pipeline at the front end with the hose at the rear end in a winding way, and the hose is connected with the handheld rod (10).
2. The handheld decontamination device of claim 1, wherein: an outlet at the lower end of the desalted water tank (3) is sequentially connected with a booster pump (5) and a flow integrator (8) through pipelines, and the flow integrator (8) is arranged on a pipeline at the front end of the winch (9); and a pipeline is additionally arranged on the pipeline between the booster pump (5) and the flow integrator (8) through a tee joint and is communicated with the desalted water tank (3).
3. The handheld decontamination device of claim 2, wherein: and a pressure monitoring device (6) is arranged on a pipeline between the booster pump (5) and the tee joint.
4. The handheld decontamination device of claim 2, wherein: the volume of the desalting water tank (3) is 1-5 m3。
5. The handheld decontamination device of claim 2, wherein: the outlet pressure of the booster pump (5) is 0.8MPa-1.2 MPa.
6. The handheld decontamination device of claim 2, wherein: the demineralized water tank (3) replenishes water to a water level above 2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021980961.0U CN214211627U (en) | 2020-09-10 | 2020-09-10 | Handheld decontamination device for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021980961.0U CN214211627U (en) | 2020-09-10 | 2020-09-10 | Handheld decontamination device for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214211627U true CN214211627U (en) | 2021-09-17 |
Family
ID=77673371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021980961.0U Active CN214211627U (en) | 2020-09-10 | 2020-09-10 | Handheld decontamination device for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214211627U (en) |
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2020
- 2020-09-10 CN CN202021980961.0U patent/CN214211627U/en active Active
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