CN210933997U - Radioactive wastewater impurity filtering filter - Google Patents
Radioactive wastewater impurity filtering filter Download PDFInfo
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- CN210933997U CN210933997U CN201921801005.9U CN201921801005U CN210933997U CN 210933997 U CN210933997 U CN 210933997U CN 201921801005 U CN201921801005 U CN 201921801005U CN 210933997 U CN210933997 U CN 210933997U
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Abstract
The utility model discloses a radioactive waste water impurity filtering filter, including the urceolus, the upper end and the lower extreme of urceolus set up respectively and are supporting to have apron and bottom plate, the middle part of bottom plate is provided with water supply connector, is provided with the inlet tube in the urceolus, inlet tube one end is connected with water supply connector, and the other end is the blind end, be provided with one row of through-hole along the axial on the lateral wall of inlet tube, still be provided with a plurality of filter hoses in the urceolus, filter hose one end is connected with the through-hole on the inlet tube, and the other end is the blind end, and every through-hole corresponds a filter hose, filter hose curls into discoid. The utility model provides a cross the problem that the filter bag appearance sediment volume is little.
Description
Technical Field
The utility model relates to a radioactive wastewater treatment technical field, concretely relates to radioactive waste water impurity filtering filter.
Background
During operation, maintenance, overhaul and decommissioning of nuclear facilities, large amounts of radioactive waste water are produced which need to be temporarily stored in specially provided radioactive waste water storage tanks (hereinafter referred to as storage tanks) before final treatment. During long-term storage, these raw waste waters produce large quantities of insoluble solid particles (metal oxides, organic carbides, metal particles, organic particles, inorganic salts, etc.) that deposit and harden on the bottom of the sump for long periods of time. At present, the waste water in the storage tanks is stored for a long time, a natural precipitation or common filter bag filtration mode is mainly adopted, manual cleaning is adopted when more deposits are deposited, and the cleaned impurities are fixed by cement after evaporation and drying.
The presence of impurities and the way of manual cleaning have the following adverse effects: (1) impurities exist for a long time to block pipelines and transfer pumps, wear instrument valve pipe fittings and rotate equipment to block instrument pipes; (2) the waste water containing more impurities is scaled, precipitated and foamed in the evaporation treatment process, the waste water treatment efficiency is low, and the solidification difficulty is increased; (3) the working environment is severe by natural sedimentation and manual cleaning, and radioactive aerosol easily enters the body.
Therefore, the filtering method for filtering the insoluble particle impurities in the radioactive wastewater is a better treatment method. However, if the filtration is performed by using a common filter bag (such as a radioactive wastewater adsorption filter proposed by Suzhou thermal research institute Co., Ltd., patent No. CN202549321U), the filter bag has a small residue capacity and is used in radioactive places, and it is difficult for the filter bag to peel off the impurity layer adhered to the filter material by back washing after adsorbing impurities, so that the filter bag needs to be replaced frequently, a large amount of secondary radioactive waste is generated, and the exposure dose of operators is large.
Other radioactive wastewater treatment devices (such as a mobile radioactive wastewater treatment device and a treatment method proposed by the national nuclear power engineering limited company, patent No. CN104860439A) can only treat wastewater containing less impurities and ions in the wastewater, but cannot treat wastewater containing a large amount of granular impurities due to scaling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radioactive waste water impurity filtering filter solves and crosses the filter bag and hold the little problem of sediment volume.
The utility model discloses a following technical scheme realizes:
the utility model provides a radioactive waste water impurity filtering filter, includes the urceolus, the upper end and the lower extreme of urceolus set up respectively and are supporting apron and bottom plate have, the middle part of bottom plate is provided with water supply connector, is provided with the inlet tube in the urceolus, inlet tube one end is connected with water supply connector, and the other end is the blind end, be provided with one row of through-hole along the axial on the lateral wall of inlet tube, still be provided with a plurality of filter hoses in the urceolus, filter hose one end is connected with the through-hole on the inlet tube, and the other end is the blind end, and every through-hole corresponds a filter hose, filter hose curl.
Filter hose can adopt the lower filter media of filter fineness with the large grain diameter granular impurities of filtering, does adopt the higher filter media of filter fineness in order to handle the interior small grain diameter suspended impurities of ordinary storage pond.
The utility model discloses a set up one row of through-hole on the inlet tube in the urceolus, every through-hole corresponds one and curls into discoid filter hose, promptly the utility model discloses a filter cloth design is intestinal formula pipeline structure to adopt multilayer superimposed mode greatly increased the adsorption area of single filter and hold the sediment volume, it is little to have solved traditional filter and hold the sediment volume, change the cycle weak point, can only handle the shortcoming that contains the radioactive waste water of less graininess impurity, reduce the storage tank clearance frequency and the clearance degree of difficulty, prevent that impurity from producing in the storage tank and hardening, improve filtration efficiency and filtration quality, reduce personnel's clearance operation risk and personnel and receive the dose.
Further, the filter hose is a woven filter cloth.
Further, the tube wall of the filtering hose is of a corrugated structure.
The filter cloth is made into a multi-fold pipeline-shaped structure and is placed in the outer barrel in a multi-layer overlapping mode, so that the filtering area and the slag containing capacity of a single filter are greatly increased.
Further, still be provided with a plurality of hydrophobic plates in the urceolus, every filtering hose's below corresponds sets up a hydrophobic plate, hydrophobic plate is circular bending structure, forms hydrophobic groove in the department of buckling.
The hydrophobic plate is a circular bent structure formed by bending a plurality of circular plates, and the hydrophobic grooves are arranged in parallel.
A hydrophobic plate is correspondingly arranged below each filtering hose so as to conveniently discharge filtered water.
Furthermore, a plurality of holes are arranged on the hydrophobic plate.
Furthermore, a plurality of hydrophobic plates are connected through a support column, and two ends of the support column are respectively connected with the cover plate and the bottom plate.
Furthermore, a hoisting bayonet is arranged on the cover plate and is of a cylinder structure, and a lifting appliance inlet and a lifting appliance limiting opening are arranged on the cylinder structure.
The hoisting bayonet is a quick hoisting interface, the water inlet connector is a self-sealing quick connector, and the combination of the quick hoisting bayonet and the self-sealing quick connector enables the filter to be quickly installed, dismantled and hung and replaced.
Further, the top of the hoisting bayonet is flush with the top of the cover plate.
Furthermore, the water outlet hole at the lowermost end has a certain distance with the bottom plate.
So as to ensure that the outer cylinder still has partial water stored in the filter to keep the filter cloth moist when the filter is not used, and avoid the failure of the filter cloth caused by drying.
Further, the bottom of the water inlet joint is flush with the top of the bottom plate.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a radioactive waste water impurity filtering filter, it holds the sediment volume great, has reduced the filter and has changed the frequency, has reduced the production volume of secondary waste material.
2. The utility model discloses it is big to filter the flow, has improved and has filtered the operating efficiency.
3. The utility model discloses can filter the radioactive waste water that contains a large amount of granular impurities, protect effluent disposal system, prevent that a large amount of impurity from producing in the storage tank bottom and hardening.
4. The utility model discloses reduce the clearance frequency and the clearance degree of difficulty of radioactive waste storage tank, reduced the operation personnel irradiated dose, protection personnel and environmental safety.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of a filter construction;
fig. 2 is a schematic structural diagram of a hoisting bayonet.
Reference numbers and corresponding part names in the drawings:
1-cover plate, 2-outer cylinder, 3-filter hose, 4-hydrophobic plate, 5-hoisting bayonet, 6-water inlet pipe, 7-support upright post, 8-bottom plate, 9-water inlet joint, 21-water outlet hole, 41-hydrophobic groove, 51-hanger inlet port and 52-hanger limiting port.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1 and 2, a radioactive wastewater impurity filtering filter comprises an outer cylinder 2, wherein the upper end and the lower end of the outer cylinder 2 are respectively provided with a cover plate 1 and a bottom plate 8, the cover plate 1, the outer cylinder 2 and the bottom plate 8 enclose a closed cylindrical shape, the cover plate 1, the outer cylinder 2 and the bottom plate 8 are all made of stainless steel, the cover plate 1 is provided with a hoisting bayonet 5, the hoisting bayonet 5 is of a cylinder structure, and the cylinder structure is provided with a hoisting tool inlet 51 and a hoisting tool limiting port 52; the top of hoisting bayonet 5 flushes with the top of apron 1, the middle part of bottom plate 8 is provided with water supply connector 9, has self sealss, and the bottom of water supply connector 9 flushes with the top of bottom plate 8, is provided with inlet tube 6 in the urceolus 2, inlet tube 6 one end is connected with water supply connector 9, and the other end is the blind end, be provided with one row of through-hole along the axial on the lateral wall of inlet tube 6, still be provided with a plurality of filter hoses 3 in urceolus 2, filter hose 3 one end is connected with the through-hole on the inlet tube 6, and the other end is the blind end, and every through-hole corresponds a filter hose 3, filter hose 3 curls into discoid round inlet tube 6, and under the size permission circumstances, filter hose 3 should arrange with the maximize increase treatment area along inlet tube 6 radial direction densely, has increased impurity, the water outlet speed and the treatment efficiency are increased, the inner diameter of the filtering hose 3 is consistent with the diameter in the through hole, the filtering hose 3 is woven filter cloth, the outer barrel 2 is provided with a plurality of water outlet holes 21, and the woven filter cloth is filter cloth with low filter precision so as to filter impurities with large particle size, reduce the impurity content in wastewater, and reduce the post-treatment difficulty and the storage tank cleaning frequency.
The hoisting bayonet 5 is an interface for hoisting the filter, a special lifting appliance for the filter enters from the inlet 51 of the lifting appliance, the lifting appliance is lifted after rotating 90 degrees anticlockwise and locked in the limit opening 52 of the lifting appliance, and the quick and stable connection of the special lifting appliance for the filter and the filter realizes the quick replacement of the filter.
In the using process, firstly, the filter is hoisted to ensure that the water inlet joint 9 is in butt joint with the other matched joint on the filter mounting bracket, the radioactive wastewater flows into the filtering hose 3 through the water inlet pipe 6, the filtering hose 3 expands after being filled with water, and the filtered water is discharged out of the outer barrel 2 through the water outlet hole 21.
Example 2:
as shown in fig. 1 and 2, the present embodiment is based on embodiment 1, and is different from the embodiment in that: the woven filter cloth is filter cloth with higher filter precision to process small-particle-size suspended impurities in a common storage water tank, so that the turbidity of deionized water in the common storage water tank can be reduced and reused, and the radioactive wastewater treatment capacity and treatment cost are reduced.
Example 3:
as shown in fig. 1 and 2, in this embodiment, based on embodiment 1 or embodiment 2, a plurality of hydrophobic plates 4 are further disposed in the outer cylinder 2, one hydrophobic plate 4 is correspondingly disposed below each filter hose 3, the hydrophobic plates 4 are of a circular bent structure, and a hydrophobic groove 41 is formed at the bent portion.
In the using process, firstly, the filter is hoisted to enable the water inlet connector 9 to be in butt joint installation with the other matched connector on the filter installation support, radioactive wastewater flows into the filtering hose 3 through the water inlet pipe 6, the filtering hose 3 expands after being filled with water, the filtered water flows out of the drainage groove 41 at the moment, and then the water is discharged out of the outer barrel 2 through the water outlet hole 21.
Example 4:
this embodiment is based on embodiment 3, and the hydrophobic plate 4 is provided with a plurality of holes to reduce the mass and facilitate the hydrophobic property.
Example 5:
this embodiment is based on embodiment 3, and a plurality of hydrophobic plates 4 are connected through 4 support columns 7, and 4 support columns 7 are the annular and arrange, the both ends of support column 7 are connected with apron 1 and bottom plate 8 respectively. Namely, the support upright post 7 penetrates through each hydrophobic plate 4, and connects and fixes a plurality of hydrophobic plates 4 together, so as to ensure that the position of the hydrophobic plate 4 is not changed due to the water filling of the filtering hose 3.
Example 6:
as shown in fig. 1 and 2, in this embodiment, based on embodiment 1 or embodiment 2, the tube wall of the filtering hose 3 is of a corrugated structure to increase the treatment area; the water outlet hole 21 at the lowest end has a certain distance with the bottom plate 8 to ensure that part of water stored in the outer cylinder 2 is stored in the filter to keep the filter cloth moist when the filter is not used, and the failure of the filter cloth due to drying is avoided.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A filter for filtering impurities in radioactive wastewater comprises an outer barrel (2), wherein the upper end and the lower end of the outer barrel (2) are respectively provided with a cover plate (1) and a bottom plate (8), the middle part of the bottom plate (8) is provided with a water inlet joint (9), it is characterized in that a water inlet pipe (6) is arranged in the outer cylinder (2), one end of the water inlet pipe (6) is connected with a water inlet joint (9), the other end is a closed end, a row of through holes are axially arranged on the side wall of the water inlet pipe (6), a plurality of filtering hoses (3) are also arranged in the outer cylinder (2), one end of the filtering hose (3) is connected with the through hole on the water inlet pipe (6), the other end is a closed end, each through hole corresponds to one filtering hose (3), the filtering hose (3) is curled into a disc shape around the water inlet pipe (6), and the outer barrel (2) is provided with a plurality of water outlet holes (21).
2. The radioactive waste water impurity filtering filter as claimed in claim 1, wherein the filtering hose (3) is a woven filtering cloth.
3. The radioactive waste water impurity filtering filter as claimed in claim 1, wherein the tube wall of the filtering hose (3) is of a corrugated structure.
4. The radioactive wastewater impurity filtering filter as claimed in claim 1, wherein a plurality of hydrophobic plates (4) are further arranged in the outer cylinder (2), one hydrophobic plate (4) is correspondingly arranged below each filtering hose (3), the hydrophobic plates (4) are of circular bent structures, and hydrophobic grooves (41) are formed at the bent positions.
5. The radioactive waste water impurity filtering filter as claimed in claim 4, wherein the hydrophobic plate (4) is provided with a plurality of holes.
6. The filter for filtering impurities in radioactive wastewater as claimed in claim 1, wherein a plurality of hydrophobic plates (4) are connected by a support column (7), and both ends of the support column (7) are respectively connected with the cover plate (1) and the bottom plate (8).
7. The radioactive wastewater impurity filtering filter according to claim 1, wherein the cover plate (1) is provided with a hoisting bayonet (5), the hoisting bayonet (5) is of a cylinder structure, and the cylinder structure is provided with a hanger inlet (51) and a hanger limiting opening (52).
8. A radioactive waste water impurity filtering filter as claimed in claim 7, wherein the top of the hoisting bayonet (5) is flush with the top of the cover plate (1).
9. The filter for filtering radioactive wastewater impurities in claim 1, wherein the water outlet hole (21) at the lowest end is spaced from the bottom plate (8).
10. A radioactive waste water impurity filtering filter according to any one of claims 1 to 9, wherein the bottom of the water inlet joint (9) is flush with the top of the bottom plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801005.9U CN210933997U (en) | 2019-10-24 | 2019-10-24 | Radioactive wastewater impurity filtering filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801005.9U CN210933997U (en) | 2019-10-24 | 2019-10-24 | Radioactive wastewater impurity filtering filter |
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| Publication Number | Publication Date |
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| CN210933997U true CN210933997U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921801005.9U Active CN210933997U (en) | 2019-10-24 | 2019-10-24 | Radioactive wastewater impurity filtering filter |
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| CN (1) | CN210933997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830931A (en) * | 2021-10-22 | 2021-12-24 | 核工业二三O研究所 | Treatment equipment for radioactive element-containing polluted wastewater |
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2019
- 2019-10-24 CN CN201921801005.9U patent/CN210933997U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830931A (en) * | 2021-10-22 | 2021-12-24 | 核工业二三O研究所 | Treatment equipment for radioactive element-containing polluted wastewater |
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