CN212113247U - Volume reduction device for radioactive waste - Google Patents
Volume reduction device for radioactive waste Download PDFInfo
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- CN212113247U CN212113247U CN202020436000.7U CN202020436000U CN212113247U CN 212113247 U CN212113247 U CN 212113247U CN 202020436000 U CN202020436000 U CN 202020436000U CN 212113247 U CN212113247 U CN 212113247U
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- heating furnace
- puddler
- stirring rod
- radioactive waste
- volume reduction
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- Gasification And Melting Of Waste (AREA)
Abstract
The utility model provides a radioactive waste material subtracts appearance device, be applied to radionuclide waste material subtracts appearance solidification, the heating furnace comprises a heating furnace, the puddler, the feed inlet, the air outlet, rotate the motor, arrange the material valve, the waste liquid discharge pipe, heating furnace upper portion is the cylinder lower part and is inversion round platform body, feed inlet and air outlet are installed on the furnace body roof of heating furnace and are gone into inside, the puddler is installed at heating furnace roof center and is inserted inside and extend to being close to lower part round platform body always, evenly cloth has the branch pipe on the puddler, it installs in heating furnace roof top and links to each other with the puddler to rotate the motor, it arranges the material valve to install bottom the heating furnace, a waste liquid discharge pipe. The device has the characteristics of simple structure, good volume reduction effect and the like.
Description
Technical Field
The utility model relates to a nuclear power plant waste material treatment facility, especially radioactive nuclear waste material volume reduction solidification equipment.
Background
Nuclear energy is one of the energy sources of the world power supply, and has been introduced and popularized in many countries in the world. However, nuclear power produces radioactive waste which can cause serious pollution problems if left untreated for discharge into the atmosphere, water and soil. The nuclear power waste mainly comprises paste concentrated solution, waste resin, waste filter element, technical waste, other waste and the like, wherein the proportion of the paste concentrated solution to the waste resin accounts for more than fifty percent of the total amount of all the waste, and how to effectively reduce the radioactive waste is especially important for the nuclear power engineering which is rapidly developed in China at present.
Disclosure of Invention
The utility model discloses the purpose is to current nuclear power waste material subtracts not enough of appearance solidification equipment, provides a simple structure, subtract effectual nuclear power waste material volume reduction device of appearance.
The volume reduction device for the radioactive waste comprises a heating furnace, a stirring rod, a feeding hole, an air outlet, a rotating motor, a discharge valve and a waste liquid discharge pipe. Heating furnace upper portion is the cylinder lower part and is inversion round platform body, and feed inlet and air outlet are installed on the furnace body roof of heating furnace and are gone into the inside, and the puddler is installed at heating furnace roof center and is gone into inside and extend to being close to lower part round platform body always, and evenly distributed has the branch pipe on the puddler, rotates the motor and installs in heating furnace roof top and link to each other with the puddler, and the discharge valve is installed to the heating furnace bottom, and a waste liquid discharge pipe is installed to the side bottom of heating furnace, installs the ball valve on the waste.
Nuclear power wastes such as paste concentrated solution, waste resin and the like are discharged into a heating furnace through a feeding hole, after the nuclear power wastes are kept still for a period of time, a ball valve is opened, partial leachate is discharged from a waste liquid discharge pipe, then after the ball valve is closed, the heating furnace starts to work and heat, a motor is rotated to start a driving stirring rod to rotate waste materials entering the furnace to stir and heat, water vapor and waste gas generated by heating are discharged through an air outlet to be treated in a unified mode, after the heating is finished, a discharge valve is opened, and the volume-reduced waste materials are discharged out of a furnace body to be.
Furthermore, the stirring rod and the branch pipes are of hollow structures, the inner spaces are communicated with each other, the upper portion of the stirring rod is higher than the rotating motor, the top end portion of the stirring rod is provided with a multi-way valve, and the multi-way valve is connected with the air inlet pipe and the water inlet pipe respectively.
When the heating furnace works, the multi-way valve is communicated with the air inlet pipe, hot steam enters the furnace from the air inlet pipe through the stirring rod and then through the branch pipe, and the pasty mixture is uniformly ventilated and heated in the stirring process; when the heating furnace is cleaned, the ball valve is opened, the discharge valve is closed, the multidirectional valve is switched to be communicated with the water inlet pipe, high-pressure water washes the inner wall of the furnace through the stirring rod and the branch pipe, and cleaning liquid is discharged through the waste liquid discharge pipeline, so that the adhesion of waste materials on the furnace wall is reduced.
Furthermore, the branch pipes uniformly distributed on the stirring rod in the heating furnace are divided into an upper layer and a lower layer, the number of the branch pipes in each layer is even, the branch pipes are symmetrically distributed along the same circumference of the stirring rod, and the optimal number of the branch pipes in each layer is 2 or 4.
Furthermore, a valve is arranged on the feeding hole and is closed when the heating furnace is heated.
Furthermore, a gear is installed at the joint of the stirring rod and the rotating motor, and the rotating motor drives the gear to drive the stirring rod to rotate.
The utility model has the advantages that:
1. the volume reduction and solidification time of the pasty radioactive waste is effectively reduced by adopting a heating furnace and a hot steam secondary heating mode.
2. By utilizing the hollow stirring rod structure, steam is blown in during heating, and high-pressure water is introduced during cleaning, so that pipeline equipment is saved.
Drawings
Fig. 1 is a schematic structural diagram of the utility model.
In the figure: 1 heating furnace, 2 stirring rods, 21 branch pipes, 3 feed inlets, 4 air outlets, 5 multi-way valves, 6 air inlet pipes, 7 water inlet pipes, 8 rotating motors, 81 gears, 9 discharge valves, 10 valves, 11 waste liquid discharge pipes and 12 ball valves.
Detailed Description
Example 1:
as shown in fig. 1, a volume reduction device for radioactive waste comprises a heating furnace 1, a stirring rod 2, a feeding port 3, an air outlet 4, a rotating motor 8, a discharging valve 9 and a waste liquid discharging pipe 11, wherein the upper part of the heating furnace 1 is a cylinder, the lower part of the heating furnace is an inverted cone, the feeding port 3 and the air outlet 4 are arranged on a top plate of the heating furnace 1 and are connected with the inside of the heating furnace, and the feeding port 3 is provided with a valve 10; the stirring rod 2 is arranged in the center of the top plate of the heating furnace 1 and is connected into the interior and extends to a position close to the lower circular truncated cone, branch pipes 21 are uniformly distributed on the stirring rod 2, the stirring rod 2 and the branch pipes are of hollow structures, the internal spaces are communicated with each other, the stirring rod 2 is connected with a rotating motor 8 arranged above the top plate of the heating furnace 1, a gear 81 is arranged on the side surface of the connecting part of the stirring rod 2 and the rotating motor 8, and the rotating motor 8 drives the gear 81 to drive the stirring rod 2 to rotate; the upper part of the stirring rod 2 is higher than the rotating motor 8, the top end part of the stirring rod is provided with a multi-way valve 5, and the multi-way valve 5 is respectively connected with a 6 air inlet pipe and a 7 water inlet pipe; the bottom of the heating furnace 1 is provided with a discharge valve 9, the bottom of the side surface of the heating furnace 1 is provided with a waste liquid discharge pipe 11, and the waste liquid discharge pipe 11 is provided with a ball valve 12.
Nuclear power wastes such as paste concentrated solution, waste resin and the like are discharged into a heating furnace 1 through a feed inlet 3, a feeding end valve 10 is closed, after the heating furnace is kept still for a period of time, a ball valve 12 is opened, partial leachate is discharged from a waste liquid discharge pipe 11, then the ball valve 12 is closed, the heating furnace 1 starts to work and heat up, a rotating motor 8 is started to drive a stirring rod 2 to rotate to stir the wastes in the furnace, meanwhile, a multi-way valve 5 is communicated with an air inlet pipe 6, hot steam enters the furnace through the air inlet pipe 7 through the stirring rod 2 and a branch pipe, the paste mixed wastes are uniformly ventilated and heated in the stirring process, the steam and the waste gas generated by heating are discharged through an air outlet 2 to be uniformly treated, a discharge valve 9 is opened after the heating is finished, and the wastes after the volume.
When the heating furnace 1 is cleaned, the ball valve 12 is opened, the 9 discharge valve is closed, the multi-way valve 5 is switched to be communicated with the water inlet pipe 7, high-pressure water washes the inner wall of the furnace through the stirring rod 2 and the branch pipe 21, the adhesion of waste materials on the furnace wall is reduced, and cleaning liquid is discharged through the waste liquid discharge pipe 11.
Example 2:
referring to embodiment 1, the branch pipes uniformly arranged on the stirring rod 2 in the heating furnace 1 are divided into a plurality of layers up and down, the number of the branch pipes in each layer is even, and is usually set to be 2 or 4, the branch pipes are arranged along the same circumference of the stirring rod 2 and are symmetrical in pairs.
Claims (6)
1. The utility model provides a radioactive waste material subtracts appearance device, which comprises a heating furnace, the puddler, the feed inlet, the air outlet, rotate the motor, arrange the material valve, the waste liquid discharge pipe, its characterized in that heating furnace upper portion is the cylinder lower part and is inversion round platform body, feed inlet and air outlet are installed on the furnace body roof of heating furnace and are gone into the inside, the puddler is installed at heating furnace roof center and is inserted inside and extend to being close to lower part round platform body always, evenly distributed has the branch pipe on the puddler, it installs in heating furnace roof top and links to each other with the puddler to rotate the motor, arrange the material valve is installed to the heating furnace bottom, a waste liquid discharge pipe is installed to.
2. A radioactive waste volume reduction apparatus according to claim 1, wherein: the stirring rod and the branch pipe are of hollow structures, the inner spaces are communicated with each other, the upper part of the stirring rod is higher than the rotating motor, the top end part of the stirring rod is provided with a multi-way valve, and the multi-way valve is respectively connected with the air inlet pipe and the water inlet pipe.
3. A radioactive waste volume reduction apparatus according to claim 1, wherein: the branch pipes uniformly distributed on the stirring rod in the heating furnace are divided into an upper layer and a lower layer, the number of the branch pipes in each layer is even, and the branch pipes are symmetrically distributed along the same circumference of the stirring rod.
4. A radioactive waste volume reduction apparatus according to claim 3, wherein: the number of branches in each layer is 2 or 4.
5. A radioactive waste volume reduction apparatus according to claim 1, wherein: and a valve is arranged on the feeding hole and is closed when the heating furnace is heated.
6. A radioactive waste volume reduction apparatus according to claim 1, wherein: the gear is installed with the rotation motor junction to the puddler, rotates motor drive gear and drives the puddler and rotate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020436000.7U CN212113247U (en) | 2020-03-31 | 2020-03-31 | Volume reduction device for radioactive waste |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020436000.7U CN212113247U (en) | 2020-03-31 | 2020-03-31 | Volume reduction device for radioactive waste |
Publications (1)
Publication Number | Publication Date |
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CN212113247U true CN212113247U (en) | 2020-12-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202020436000.7U Active CN212113247U (en) | 2020-03-31 | 2020-03-31 | Volume reduction device for radioactive waste |
Country Status (1)
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CN (1) | CN212113247U (en) |
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2020
- 2020-03-31 CN CN202020436000.7U patent/CN212113247U/en active Active
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