CN217794843U - Movable filtering and draining device with detachable shielding module - Google Patents
Movable filtering and draining device with detachable shielding module Download PDFInfo
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- CN217794843U CN217794843U CN202221130221.7U CN202221130221U CN217794843U CN 217794843 U CN217794843 U CN 217794843U CN 202221130221 U CN202221130221 U CN 202221130221U CN 217794843 U CN217794843 U CN 217794843U
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Abstract
The utility model relates to a portable filtration drainage device with can dismantle shielding module. Adopt portable filtration drainage device with can dismantle shielding module, can be used to the system that produces radioactive waste water in cleaning processes such as pressurized-water reactor nuclear power generating system reloading pond, heap interior component pond, solved among the prior art radioactive particle and attached to and formed focus, near the problem that the dose level increases gradually year by year on the runner internal surface. The utility model provides a portable filtration drainage device with can dismantle shielding module, through the filtration drainage unit with can dismantle shielding module, the power drainage unit with can dismantle shielding module, can filter the radioactive particle under the environment that effective radiation shielding protected, reduced staff's irradiation dose; meanwhile, the normal operation of the filtering and draining process can be ensured.
Description
Technical Field
The utility model belongs to the technical field of nuclear industry technology waste water treatment, concretely relates to portable filtration drainage device with can dismantle shielding module.
Background
The nuclear power plant adopts the principle of defense in depth in the design, construction and use processes, and needs to provide multi-stage protection on equipment and measures so as to ensure that radioactive substances cannot leak. In daily operation and maintenance work, the radiation protection shielding device is a common and effective radiation protection means for reducing the radiation dose of a hot spot to workers. At present, the main materials of the most common and effective shielding devices of nuclear power stations at home and abroad are lead materials.
The pressurized water reactor nuclear power unit refueling pool and the in-pile component pool drain water by adopting gravity, the drainage flow rate is low, and radioactive particles are easy to attach to the inner surface of a flow channel to form hot spots. The dosage level near the drainage connecting short pipe is gradually increased year by year, and the highest contact dosage of a certain domestic nuclear power plant is close to 1Sv/h. The same problem also exists in other pressurized water reactor node units in China.
In order to solve the problems, the inventor designs a movable filtering and draining device with a detachable shielding module, which is used for a system for generating radioactive wastewater in the cleaning process of a pressurized water reactor nuclear power unit refueling water pool, a reactor internal component pool and the like.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims at providing a portable filtration drainage device with can dismantle shielding module for handle the radioactive waste water that reloading pond and the washing of interior component pond produced.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a movable filtering and draining device with a detachable shielding module comprises a filtering and draining unit with the detachable shielding module and a power draining unit with the detachable shielding module;
the filtration and drainage unit with the detachable shielding module comprises a filtration and drainage unit trolley, a filter shielding module and filter shielding module supporting legs, wherein the filter shielding module supporting legs are welded on a base of the filtration and drainage unit trolley;
the power drainage unit with the detachable shielding module mainly comprises: the power drainage unit trolley comprises a power drainage unit trolley, a pneumatic diaphragm pump, an electric control box, a diaphragm pump shielding module and a diaphragm pump shielding module supporting leg, wherein the diaphragm pump shielding module supporting leg is welded on a base of the power drainage unit trolley;
and the water outlet of the filtering and draining unit with the detachable shielding module is connected with the water inlet of the power draining unit with the detachable shielding module through a water pipe.
Furthermore, the filter shielding module supporting leg is made of 304 stainless steel materials through processing and welding and is used for fixing the diaphragm pump shielding module.
Furthermore, the filter shielding module is formed by splicing two semi-cylindrical shielding bodies, and the two semi-cylindrical shielding bodies are fixedly connected through a locking device.
Further, the semi-cylindrical shielding body comprises a cladding made of stainless steel materials, and a lead material is cast in the cladding to form a shielding lead layer.
Furthermore, the top cover of the filter is a shielding cover provided with a shielding layer.
Furthermore, the supporting legs of the diaphragm pump shielding module are made of 304 stainless steel materials through processing and welding and are used for fixing the diaphragm pump shielding module.
Further, the diaphragm pump shielding module is a rectangular cylindrical shielding body formed by splicing.
Further, the rectangular tube-shaped shield body is formed by splicing two shield members which are symmetrical about a longitudinal symmetrical plane of the rectangular tube-shaped shield body, and the two shield members are fixedly connected through a locking device.
Further, the shielding part top is provided with the handle, the handle is used for transport, dismantlement, installation the shielding part.
Furthermore, the filtration drainage unit with the detachable shielding module and the power drainage unit with the detachable shielding module also comprise a frame body, wherein the frame body is made of 304 stainless steel materials.
The beneficial effects of the utility model reside in that: adopt portable filtration drainage device with can dismantle shielding module, can be used to the system that produces radioactive waste water in cleaning processes such as pressurized-water reactor nuclear power generating system reloading pond, heap interior component pond, solved among the prior art radioactive particle and attached to and form the problem that focus, near drainage junction pipe dosage level increased gradually year by year on the runner internal surface. The utility model provides a portable filtration drainage device with can dismantle shielding module, through the filtration drainage unit with can dismantle shielding module, the power drainage unit with can dismantle shielding module, can filter the radioactive particle under the environment that effective radiation shielding protected, reduced staff's irradiation dose; meanwhile, the normal operation of the filtering and draining process can be ensured.
Drawings
Fig. 1 is a schematic layout view of a mobile filtering drainage device with a detachable shielding module according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a detachable shielding module of the filtering drainage shielding unit according to the embodiment of the present invention.
Fig. 3 is a schematic structural view of a detachable shielding module of the power drainage shielding unit according to the embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be further clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.
As shown in fig. 1 to 3, the utility model provides a portable filtration drainage device with can dismantle shielding module mainly includes: a filtering drainage unit 1 with a detachable shielding module and a power drainage unit 2 with a detachable shielding module.
As shown in fig. 2, in the present embodiment, the filtering and draining unit with the detachable shielding module comprises a filtering and draining unit trolley, two filters connected in parallel, a filter shielding module and a filter shielding module leg 13. The bottom of the filter is fixedly arranged on the filtering and draining unit trolley base. The filter shielding module supporting leg 13 is made of 304 stainless steel materials through processing and welding and is used for fixing the diaphragm pump shielding module. The filter shielding module legs 13 are welded to the trolley base of the filtration and drainage unit and arranged around the filter according to the size of the filter shielding module to be installed.
Wherein, the filter shielding module is used for right the filter housing shields, the filter shielding module design is formed by two semicylinder tube-shape shields 11 concatenation, two carry out fixed connection through locking device 3 between the semicylinder tube-shape shield 11. The semi-cylindrical shield 11 includes a jacket made of stainless steel material, and a lead material is cast in the jacket to form a shielding lead layer. The thickness of the lead shielding layer in the semi-cylindrical shielding body 11 is designed according to the standard GB/T1470-2014 lead and lead-antimony alloy plate, and the cladding is made of 304 stainless steel materials with the thickness of 2 mm. The top cap of filter is for being provided with shielding cover 12 of shielding layer, shielding cover 12 is the stainless steel cap of cast plumbous material, shielding plumbous layer's thickness is designed according to standard GB/T1470-2014 "plumbous and plumbous antimony alloy board" in shielding cover 12, stainless steel cap uses the thick 304 stainless steel material of 2 mm. The filter screen module outer wall dosage level is reduced to at least 22% of the cartridge.
As shown in fig. 3, in the present embodiment, the power drain unit with a detachable shielding module mainly includes: a power drainage unit trolley, a pneumatic diaphragm pump, an electric control box, a diaphragm pump shielding module and a diaphragm pump shielding module supporting leg 23. The bottom parts of the pneumatic diaphragm pump and the electric control box are fixedly arranged on the power drainage unit trolley base. The supporting leg 23 of the diaphragm pump shielding module is made of 304 stainless steel materials through processing and welding and is used for fixing the diaphragm pump shielding module, and the supporting leg 23 of the diaphragm pump shielding module is fixedly installed on the power drainage unit trolley base through a welding mode and is arranged around the diaphragm pump according to the size of the diaphragm pump shielding module.
The diaphragm pump shielding module is used for shielding the pneumatic diaphragm pump, and is a rectangular cylindrical shielding body formed by splicing; the rectangular cylinder-shaped shield has a longitudinal plane of symmetry and is formed by splicing two shields 21 that are symmetrical about the longitudinal plane of symmetry. The two shields 21 are fixedly connected through a locking device 3, a handle 22 is arranged at the top of each shield 21, and the shields 21 can be conveniently carried, detached and installed through the handles 22. The shield 21 comprises a jacket of stainless steel material into which a lead material is cast to form a lead shielding layer. The thickness of the lead shielding layer in the shield 21 is designed according to the standard GB/T1470-2014 lead and lead-antimony alloy plate, and the cladding uses 304 stainless steel material with the thickness of 2 mm. The shielding effect decays to at least 80% of the initial dose rate.
Optionally, the locking device 3 is a buckle.
Optionally, the filtration drainage unit with the detachable shielding module and the power drainage unit with the detachable shielding module further comprise a frame body, and the frame body is also made of 304 stainless steel materials. In consideration of the convenience of using the filtering and draining trolley with the detachable shielding module on site, the frame body is designed into a combined frame body; when the field dosage needs to be suspended with lead skins to be matched with the reduction of the radiation dosage level, the frame bodies are respectively arranged on the filtering and draining unit trolley base and the power draining unit trolley base and used for suspending the lead skins, and the frame bodies are connected through bolts, so that the assembly or the disassembly is convenient; when the field is in a low dosage condition and the lead sheet does not need to be hung, the frame body can not be installed.
In the present embodiment, there is also provided a method for using the mobile filtering drainage device with a detachable shielding module, including the following steps:
s1, installing the filter shielding module: firstly, two semi-cylindrical shields 11 are fixedly arranged on the filter shielding module supporting legs 13; then locked by the locking device 3; finally, the shield cover 12 is mounted.
The filter shielding module supporting legs 13 are fixedly installed on the filtering and draining unit trolley base in a welding mode, and the installation positions of the filter shielding module supporting legs 13 are arranged around the filter according to the size of the filter shielding module.
S2, installing the diaphragm pump shielding module: the shielding 21 is first fixed to the shielding module leg 23 of the membrane pump by means of the handle 22 and then locked by the locking device 3.
The supporting legs 23 of the diaphragm pump shielding module are fixedly mounted on the base of the trolley of the power drainage unit in a welding manner, and the mounting positions of the supporting legs 23 of the diaphragm pump shielding module are arranged around the diaphragm pump according to the size of the diaphragm pump shielding module;
and S3, connecting the water inlet 14 of the filtering and draining unit with the detachable shielding module with a water outlet of a system to be filtered (such as a pressurized water reactor nuclear power unit refueling water pool and a reactor internal component pool) through a water pipe, connecting the water outlet of the filtering and draining unit with the detachable shielding module with the water inlet of the power draining unit with the detachable shielding module through a water pipe, and connecting the water outlet 24 of the power draining unit with the detachable shielding module to a pit pipeline through a water pipe.
And S4, starting the movable filtering and draining device with the detachable shielding module, filtering radioactive waste liquid in a system to be filtered (such as a pressurized water reactor nuclear power unit refueling water pool and a reactor internal component pool), and detaching a water pipe after filtering.
The device according to the present invention is not limited to the embodiments described in the detailed description, and the above-described embodiments are merely illustrative of the present invention, and the present invention may be implemented in other specific ways or in other specific forms without departing from the gist or essential characteristics of the present invention. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be determined by the appended claims, and any changes that are equivalent to the intent and scope of the claims are intended to be embraced therein.
Claims (10)
1. The utility model provides a portable drainage device that filters with can dismantle shielding module which characterized in that: comprises a filtering drainage unit (1) with a detachable shielding module and a power drainage unit (2) with a detachable shielding module;
the filtration and drainage unit (1) with the detachable shielding module comprises a filtration and drainage unit trolley, a filter shielding module and filter shielding module supporting legs (13), wherein the filter shielding module supporting legs (13) are welded on a base of the filtration and drainage unit trolley;
the power drainage unit (2) with the detachable shielding module mainly comprises: the power drainage unit trolley comprises a power drainage unit trolley, a pneumatic diaphragm pump, an electric control box, a diaphragm pump shielding module and a diaphragm pump shielding module supporting leg (23), wherein the diaphragm pump shielding module supporting leg (23) is welded on a power drainage unit trolley base;
the water outlet of the filtering and draining unit with the detachable shielding module is connected with the water inlet of the power draining unit with the detachable shielding module through a water pipe.
2. The mobile filtered water drain with removable shielding module of claim 1, wherein: the filter shielding module supporting leg (13) is made of 304 stainless steel materials through processing and welding and used for fixing the diaphragm pump shielding module.
3. The mobile filtered water drain with removable shielding module of claim 1, wherein: the filter shielding module is formed by splicing two semi-cylindrical shielding bodies (11), and the two semi-cylindrical shielding bodies (11) are fixedly connected through a locking device (3).
4. The mobile filtered water drain with removable shielding module of claim 3, wherein: the semi-cylindrical shielding body (11) comprises a cladding made of stainless steel materials, and a lead material is cast in the cladding to form a shielding lead layer.
5. The mobile filtered drain of claim 1, wherein: the top cover of the filter is a shielding cover (12) provided with a shielding layer.
6. The mobile filtered drain of claim 1, wherein: the supporting leg (23) of the diaphragm pump shielding module is made of 304 stainless steel materials through processing and welding and used for fixing the diaphragm pump shielding module.
7. The mobile filtered drain of claim 1, wherein: the diaphragm pump shielding module is a rectangular cylindrical shielding body formed by splicing.
8. The mobile filtered water drain with removable shielding module of claim 7, wherein: the rectangular cylinder-shaped shield is formed by splicing two shield pieces (21) which are symmetrical about the longitudinal symmetry plane of the rectangular cylinder-shaped shield, and the two shield pieces (21) are fixedly connected through a locking device (3).
9. The mobile filtered drain of claim 8, wherein: the shielding piece (21) is provided with a handle (22) at the top, and the handle (22) is used for carrying, disassembling and installing the shielding piece (21).
10. A mobile filtered water drain with removable shielding module according to any one of claims 1-9, wherein: the filtration drainage unit (1) with the detachable shielding module and the power drainage unit (2) with the detachable shielding module further comprise a frame body, and the frame body is made of 304 stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221130221.7U CN217794843U (en) | 2022-05-12 | 2022-05-12 | Movable filtering and draining device with detachable shielding module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221130221.7U CN217794843U (en) | 2022-05-12 | 2022-05-12 | Movable filtering and draining device with detachable shielding module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217794843U true CN217794843U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221130221.7U Active CN217794843U (en) | 2022-05-12 | 2022-05-12 | Movable filtering and draining device with detachable shielding module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217794843U (en) |
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2022
- 2022-05-12 CN CN202221130221.7U patent/CN217794843U/en active Active
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