CN218729922U - Radioactive waste liquid decay jar - Google Patents
Radioactive waste liquid decay jar Download PDFInfo
- Publication number
- CN218729922U CN218729922U CN202222782543.6U CN202222782543U CN218729922U CN 218729922 U CN218729922 U CN 218729922U CN 202222782543 U CN202222782543 U CN 202222782543U CN 218729922 U CN218729922 U CN 218729922U
- Authority
- CN
- China
- Prior art keywords
- decay tank
- waste liquid
- decay
- tank body
- radioactive waste
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to a radioactive waste liquid storage technical field especially relates to a radioactive waste liquid decay jar. The system comprises a decay tank body, wherein the decay tank body is provided with a waste liquid inlet positioned at the top of the decay tank body and a waste liquid outlet positioned at the bottom of the decay tank body; a reamer type sewage submerging component is arranged in the decay tank body, is arranged at the bottom of the decay tank body and is opposite to the waste liquid outlet; be provided with hoisting device at the top of decay jar body, hoisting device and reamer type are hidden dirty subassembly and are linked to each other for the promotion of reamer type hidden dirty subassembly. Compared with the prior art, the radioactive waste liquid decay tank is internally provided with the cutter type sewage diving component which can instantly grind foreign matters, so that blockage and the like are avoided; meanwhile, when the reamer type sewage diving component needs to be maintained, an operator can enter the decay tank through the manhole to finish the overhaul of the reamer type sewage diving component.
Description
Technical Field
The utility model relates to a radioactive waste liquid storage technical field especially relates to a radioactive waste liquid decay jar.
Background
HJ1188-2021 requirements for radiation protection and safety in nuclear medicine stipulate that the volume of a decay tank or a special container should fully consider the half-life of the radioactive drug operated in the site, the amount of waste liquid expected to be stored in daily nuclear medicine diagnosis and treatment and research, and the need for cleaning in case of emergency. The decay tank body is firm, resistant to acid and alkali corrosion, free of permeability, smooth in inner wall and reliable in leakage prevention; the method has the measures of preventing the overflow of waste liquid, hardening and floating of sludge, blocking of a water inlet and a water outlet and overpressure of a waste liquid decay tank.
At present, for the collection, storage and discharge of radioactive waste liquid in China, a plug flow type or groove type concrete decay tank is mainly adopted, and a small part of the radioactive waste liquid adopts a stainless steel decay tank. Wherein, the plug-flow decay tank has poor shock resistance, if the accidents such as radioactive substance leakage occur, the radioactive substance which is not decayed in the decay tank has to be discharged to the allowable discharge concentration, and the radioactive pollution accident can be caused. The construction period of the concrete decay tank is long, and due to the reasons of poor process technology, long service cycle, insufficient maintenance and the like, radioactive waste liquid is easy to permeate, so that radioactive pollution is caused to the surrounding environment. The existing stainless steel decay tank is easy to cause pipeline blockage due to unreasonable design, and measures for cleaning the inner wall of the decay tank are not needed.
Based on this, the utility model discloses in, a novel radioactive waste liquid decay jar that is used for collection, storage, the emission of radioactive waste liquid is proposed to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a radioactive waste liquid decay tank, a reamer type sewage diving component is arranged in the radioactive waste liquid decay tank, which can instantly rub foreign matters, and avoid blockage and the like; meanwhile, when the reamer type sewage submerging component needs to be maintained, an operator can enter the decay tank through the manhole to complete the maintenance of the reamer type sewage submerging component.
The utility model adopts the following technical scheme: a radioactive waste liquid decay tank comprising a decay tank body having a waste liquid inlet at the top of the decay tank body and a waste liquid outlet at the bottom of the decay tank body; a reamer type sewage submerging assembly is arranged in the decay tank body, is arranged at the bottom of the decay tank body and is opposite to the waste liquid outlet;
and a manhole is arranged at the bottom of the decay tank body.
Furthermore, electric control valves are installed at the waste liquid inlet and the waste liquid outlet.
Furthermore, a breather valve is arranged on the decay tank body.
Furthermore, a high-pressure flushing part is arranged at the top of the decay tank body and used for cleaning the inner wall of the decay tank.
Furthermore, a radar liquid level meter is arranged at the top of the decay tank body.
Furthermore, a regional gamma dose monitor is arranged at the top of the decay tank body.
Furthermore, the top of the decay tank body is provided with a line hole.
Furthermore, the decay tank body is made of stainless steel materials or carbon steel materials, and a paint coating layer is arranged on the inner wall surface of the decay tank body made of carbon steel.
Compared with the prior art, the utility model discloses in a radioactive waste liquid decay jar's beneficial effect does:
the utility model discloses in this radioactive waste liquid decay jar, during the use, pour into the waste liquid into this internal storage of decay jar by the waste liquid entry, if there is foreign matter etc. in the waste liquid, start the reamer type and dive dirty subassembly and can rub the foreign matter in the twinkling of an eye, avoid taking place to block up etc. then with the waste liquid by the waste liquid export discharge can. When the reamer type sewage diving component needs to be repaired or maintained, an operator can enter the decay tank through the manhole to finish the overhaul of the reamer type sewage diving component.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a radioactive waste liquid decay tank in an embodiment;
FIG. 2 is a view showing the mounting position of the stand of FIG. 1;
FIG. 3 is a schematic diagram of a radioactive waste decay tank system according to an embodiment;
in the figure: decay jar body 1, waste liquid entry 2, waste liquid export 3, reamer type dive dirty subassembly 4, line hole 5, breather valve 6, high pressure wash 7, radar level gauge 8, manhole 9, regional gamma dose monitor 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be discussed in detail below with reference to fig. 1 to 3 and specific embodiments:
as shown in fig. 1-2, the utility model provides a radioactive waste liquid decay tank, it includes decay tank body 1, decay tank body 1 has the waste liquid entry 2 that is located decay tank body 1 top and is located the waste liquid export 3 of decay tank body 1 bottom, and this waste liquid entry 2 is used for the injection of waste liquid, and waste liquid export 3 is used for the discharge of waste liquid.
Meanwhile, a reamer type sewage submerging component 4 is arranged in the decay tank body 1, the reamer type sewage submerging component 4 is arranged at the bottom of the decay tank body 1, and the installation position of the reamer type sewage submerging component 4 is opposite to the waste liquid outlet 3; this reamer type dives dirty subassembly 4 can rub the foreign matter in the decay jar in the twinkling of an eye, effectively guarantees that exhaust sewage can avoid blockking up etc. through any valve and pipeline. This cutter type is stealthily dirty subassembly 4 can include the cutter type stealthily dirty pump and install the cutter spare at the cutter type stealthily dirty pump output, concrete structure by the design of technical personnel in the field can, the utility model discloses in do not specifically prescribe a limit to. Of course, the top of the decay tank body 1 can be provided with a wire hole 5, so that a cable for electrically connecting the reamer type sewage diving component 4 with the decay tank control system is led out and electrically connected with the decay tank control system.
And the bottom of the decay tank body 1 is provided with a manhole 9, and the opening position of the manhole 9 is about 1.5 to 1.8 meters away from the ground, and can be determined according to the actual height of an operator. The arrangement of the manhole 9 facilitates observation of conditions in the decay tank, and facilitates maintenance of later equipment. In this embodiment, the manhole 9 is a circular hole.
The utility model discloses in this radioactive waste liquid decay jar, during the use, pour into the waste liquid into to decay jar body 1 by waste liquid entry 2 and store, if there is foreign matter etc. in the waste liquid, start the reamer type and dive dirty subassembly 4 and can rub the foreign matter in the twinkling of an eye, avoid taking place to block up etc. then with the waste liquid by waste liquid export 3 discharge can. When the reamer type sewage diving component 4 needs to be repaired or maintained, an operator can enter the decay tank through the manhole 9 to complete the overhaul of the reamer type sewage diving component 4.
Specifically, electric control valves may be installed at both the waste liquid inlet 2 and the waste liquid outlet 3, and the electric control valves are electrically connected to the decay tank control system, so as to realize automatic control of the waste liquid inlet 2 and the waste liquid outlet 3.
Specifically, the breathing valve 6 is mounted on the decay tank body 1, and the breathing valve 6 is mainly used for overpressure discharge of methane in the decay tank and negative pressure recovery during sewage discharge, so that damage of the decay tank due to overpressure or vacuum is prevented, and evaporation pollution of stored liquid can be reduced. The utility model discloses in to specific type, size of breather valve 6 and how fixed mounting on decay jar body 1, all do not specifically to limit, by the technical personnel in the field according to actual conditions design can.
Specifically, the top of the decay tank body 1 is provided with a high-pressure flushing part 7 for cleaning the inner wall of the decay tank, reducing contamination to the inner wall surface of the decay tank, and preventing sludge from hardening and blocking the waste liquid inlet 2 and the waste liquid outlet 3. The utility model discloses in to the high pressure wash piece 7 concrete structure and how to install all do not prescribe a limit on the internal face at decay jar body top, by the technical personnel in the field select according to actual conditions can. In this embodiment, the high-pressure flushing part 7 may comprise a spray nozzle which is hinged on the inner wall surface of the top of the decay tank body 1, so that the spray nozzle can rotate by about 360 degrees, and the inner wall of the decay tank can be cleaned by 360 degrees without dead angles; in addition, when the high-pressure flushing part 7 is used, the spray nozzles can be connected with a high-pressure water source to provide water sources for the spray nozzles.
Specifically, a radar liquid level meter 8 can be further installed at the top of the decay tank body 1; the utility model discloses in do not do the injecing to the concrete implementation of radar level gauge 8 fixed mounting on decay jar body 1, by the technical personnel in the field according to actual conditions design can, all belong to the utility model discloses a protection scope. The radar liquid level meter 8 is used for monitoring the liquid level of the waste liquid; meanwhile, continuous material level measurement can be carried out without contacting materials.
Specifically, a regional gamma dose monitor 10 is installed at the top of the decay tank body 1, and the regional gamma dose monitor 10 is used for monitoring the change of the dose level in the decay tank. The regional gamma dose monitor 10 is provided with an acousto-optic reminding module which can give out acousto-optic alarm reminding when monitoring that the decay tank is abnormal, so that abnormal conditions can be timely handled in a later period.
Specifically, the decay tank body 1 is made of stainless steel materials or carbon steel materials, and a paint coating layer is arranged on the inner wall face of the decay tank body 1 made of carbon steel, so that the quality of the decay tank body 1 is improved, and the service life of the decay tank is prolonged. And to decay jar body 1's wall thickness, the utility model discloses in do not specifically prescribe a limit to, as long as can satisfy the radiation protection requirement can to reduce the radiation pollution to the surrounding environment.
Specifically, can decay tank body 1's top is provided with hoisting device, hoisting device with the reamer type dives dirty subassembly 4 and links to each other for the hoist of reamer type dives dirty subassembly 4 can promote this reamer type to dive dirty subassembly 4. Correspondingly, this hoisting device adopt among the prior art promote the structure can, if adopt rope to promote the structure etc. all can, the field of technical personnel according to actual conditions design selection can, the utility model discloses in do not specifically prescribe a limit to. When the winch type submersible sewage assembly 4 needs to be maintained, the winch type submersible sewage assembly 4 is lifted to the outside of the decay tank body 1 through the lifting device, and the winch type submersible sewage assembly 4 is convenient to overhaul.
Specifically, a plurality of supporting foot seats can be arranged at the bottom of the decay tank body 1, as shown in fig. 2, the three-point support is arranged in a triangular manner, and the stability of the three-point support is good.
The utility model discloses in still provide a radioactive waste liquid decay jar system, by the parallelly connected constitution of two at least foretell radioactive waste liquid decay jars to the corresponding installs electric control valve in waste liquid entry 2 and waste liquid export 3 departments, is used for controlling opening and closing of waste liquid entry 2 and waste liquid export 3. In this embodiment, the nuclides are divided into a type a nuclide (the half-life of the nuclide is less than 24 hours) and a type B nuclide (the half-life of the nuclide is greater than 24 hours) according to the half-life of the radionuclide, two types of decay tanks are provided to collect radioactive waste liquids containing different types of nuclides respectively, each type of radioactive waste liquids contains three decay tanks, and the radioactive waste liquids are alternately stored, decayed and discharged, as shown in fig. 3.
When the radioactive waste liquid decay tank is used, the decay tank control system controls the opening of the electric control valve at the waste liquid inlet 2, and radioactive waste liquid is injected into the first decay tank; correspondingly, by 8 real-time supervision waste liquid levels of radar level gauge, when reaching and setting for the liquid level, the closing of the electric control valve of 2 departments of first decay jar waste liquid entry of control to the corresponding electric control valve of 2 departments of opening second decay jar waste liquid entry, it can to be N radioactivity waste liquid decay jar injection waste liquid in order. After the waste liquid is kept in enough required time, 3 electric control valves of the waste liquid export of the first decay jar of control system control are opened, take out appropriate amount of waste liquid, carry out the activity concentration measurement. When the detected activity concentration meets the discharge requirement, the electric control valve at the waste liquid outlet 3 is controlled to be opened again, the reamer type sewage diving component 4 is correspondingly started to rub foreign matters in the waste liquid and correspondingly discharge the waste liquid, and the radar liquid level meter 8 is used for closing the electric control valve at the waste liquid outlet 3 after monitoring that the liquid level is reduced to a set value. After the waste liquid is discharged, the high-pressure flushing part 7 is started to flush the inside of the decay tank and discharge the decay tank. In the whole process, the change of the dosage level in the decay tank is monitored by the regional gamma dosage monitor 10, and when abnormal conditions occur, sound and light alarm is carried out.
The radioactive waste liquid decay tank system provides a convenient, practical and cost-saving special system for collection, storage and discharge of radioactive waste liquid. The system is suitable for nuclear medicine workplaces, and by arranging the reamer type sewage submerging component 4 and the high-pressure flushing component 7, sludge can be effectively prevented from hardening and blocking the waste liquid inlet 2 and the waste liquid outlet 3, and the equipment maintenance cost is reduced; all equipment is controlled by the decay tank control system, manual participation is not needed, and labor cost is reduced. The decay tank body 1 is firm, resistant to acid and alkali corrosion and impermeable, and has measures for preventing waste liquid from overflowing, sludge hardening and floating, blocking a water inlet and a water outlet and preventing overpressure of a waste liquid decay tank.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (8)
1. A radioactive waste liquid decay tank, characterized in that:
the decay tank comprises a decay tank body, wherein the decay tank body is provided with a waste liquid inlet positioned at the top of the decay tank body and a waste liquid outlet positioned at the bottom of the decay tank body; a reamer type sewage submerging component is arranged in the decay tank body, is arranged at the bottom of the decay tank body and is opposite to the waste liquid outlet;
and a manhole is arranged at the bottom of the decay tank body.
2. The radioactive waste decay tank of claim 1, wherein:
and electric control valves are arranged at the waste liquid inlet and the waste liquid outlet.
3. The radioactive waste decay tank of claim 1, wherein:
and a breather valve is arranged on the decay tank body.
4. The radioactive waste decay tank of claim 1, wherein:
and a high-pressure flushing part is arranged at the top of the decay tank body and used for cleaning the inner wall of the decay tank.
5. The radioactive waste decay tank of claim 1, wherein:
and a radar liquid level meter is arranged at the top of the decay tank body.
6. The radioactive waste decay tank of claim 1, wherein:
and a regional gamma dose monitor is arranged at the top of the decay tank body.
7. The radioactive waste decay tank of claim 1, wherein:
the top of the decay tank body is provided with a line hole.
8. The radioactive waste decay tank of claim 1, wherein:
the decay tank body is made of stainless steel materials or carbon steel materials, and a paint coating layer is arranged on the inner wall surface of the decay tank body made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222782543.6U CN218729922U (en) | 2022-10-21 | 2022-10-21 | Radioactive waste liquid decay jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222782543.6U CN218729922U (en) | 2022-10-21 | 2022-10-21 | Radioactive waste liquid decay jar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218729922U true CN218729922U (en) | 2023-03-24 |
Family
ID=85588674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222782543.6U Active CN218729922U (en) | 2022-10-21 | 2022-10-21 | Radioactive waste liquid decay jar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218729922U (en) |
-
2022
- 2022-10-21 CN CN202222782543.6U patent/CN218729922U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102004142B (en) | Water quality parameter measuring instrument arranged in super buoy and water quality parameter measuring method | |
| CN210322992U (en) | Intelligent sewage sampling and detecting device | |
| CN218729922U (en) | Radioactive waste liquid decay jar | |
| CN112233831A (en) | Radioactive sewage and waste water decay treatment system and treatment method thereof | |
| CN112776970A (en) | Automatic operation control method of ship sewage storage device | |
| CN216573132U (en) | Dynamic regenerating device for ion exchange resin | |
| CN110706839B (en) | Radioactive liquid filtering device and filter replacing method | |
| CN214360856U (en) | Radioactive medical wastewater treatment system | |
| CN115716662A (en) | System and method for monitoring and controlling medical radioactive wastewater in real time | |
| CN214279626U (en) | Novel radioactive sewage decay pond of intermittent type formula medical treatment | |
| CN210658480U (en) | Landfill leachate and groundwater are taken out and are arranged well synthetically | |
| CN220829842U (en) | Radioactive waste liquid decay treatment device | |
| CN213741387U (en) | Storage water tank early warning device for construction | |
| CN209779848U (en) | Enamel assembling type integrated lifting pump station | |
| CN214144083U (en) | Prefabricated lifting pump station of integration glass steel | |
| CN220117417U (en) | Waste water lifting device | |
| CN216160110U (en) | Exhaust and water collection device for hydrostatic test of nuclear power station container | |
| CN218729924U (en) | Radioactive wastewater pretreatment device | |
| CN218118016U (en) | Discharge device of medicine discharge pump | |
| CN213236960U (en) | System for emergency air supply of sluice gate | |
| CN217351132U (en) | Integral steel septic tank that can have enough to meet need | |
| CN214660764U (en) | Emergency pool machine pump protection system of accident | |
| CN210479695U (en) | Acid storage with metering structure and convenient to observe | |
| CN215630366U (en) | Frequency conversion constant pressure water supply device applied between domestic water tanks | |
| CN218061698U (en) | Steel round water tank capable of automatically discharging mud |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |