CN214764130U - Detachable nuclear-grade high-efficiency filter - Google Patents
Detachable nuclear-grade high-efficiency filter Download PDFInfo
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- CN214764130U CN214764130U CN202120540307.6U CN202120540307U CN214764130U CN 214764130 U CN214764130 U CN 214764130U CN 202120540307 U CN202120540307 U CN 202120540307U CN 214764130 U CN214764130 U CN 214764130U
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Abstract
The utility model provides a detachable nuclear-grade high-efficiency filter, which comprises an outer frame, an inner frame and a filter element, wherein the outer frame is connected with the inner frame, the filter element is positioned in the inner frame, the filter element comprises a folding filter paper, and two opposite sides of the outer frame are respectively connected with an air inlet baffle and an air outlet cover plate; the inner frame is made of heat-resistant polymer materials. Adopt the technical scheme of the utility model nuclear level high efficiency filter, whole effect satisfies filtration efficiency's requirement, can dismantle, and metal frame repeatedly usable, filter element can tear the replacement open, and inside casing and filter core can be directly whole compressed into very little volume, do benefit to nuclear pollution material's centralized processing, greatly reduced the cost, reduced the waste, be favorable to the environmental protection more.
Description
Technical Field
The utility model relates to an air filtration equipment technical field especially relates to a detachable nuclear level high efficiency filter.
Background
The common high-efficiency filter is mainly used for trapping particle dust and various suspended matters below 0.5um, is widely used for air supply positions at the tail ends of air conditioners in dust-free purification workshops in the industries of optical electronics, LCD liquid crystal manufacturing, biomedicine, precision instruments, beverage food, PCB printing and the like, and is a nuclear-grade high-efficiency filter which is suitable for nuclear facility air purification systems and nuclear-related places.
At present, the high-efficiency filters used in nuclear facilities in the market are few, and nuclear power plants need to purify field air to reduce radioactivity in the air, so that nuclear-grade high-efficiency filters are installed in ventilation systems of the nuclear power plants and used for removing radioactive particles in the air. The existing nuclear-grade high-efficiency filter is a structure formed by bonding filter paper and a metal shell by using a sealant, and the filter is eliminated integrally after a filter element fails; due to the use of glue, the outer frame can not be reused, and due to the fact that radioactive particles are adhered to the filter, the outer frame can not be discarded at will, a large amount of solid waste is accumulated, and due to the fact that metal objects are contained, the outer frame is inconvenient to compress and crush, the occupied space is large, and the treatment cost is high.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses a detachable nuclear level high efficiency filter can dismantle, can used repeatedly frame, environmental protection more.
To this end, the technical scheme of the utility model is that:
the utility model provides a detachable nuclear level high efficiency filter, its includes frame, inside casing and filter core, frame and inside casing connection, the filter core is located the inside casing, the filter core includes the filter paper of folding shape, the both sides that the frame is relative respectively with air inlet baffle, air outlet cover connection, the material of inside casing is heat-resisting macromolecular material. The heat-resistant polymer material is a polymer material that can be used for a long period of time at 150 degrees or more, and examples thereof include polysulfone, polyesterimide, polyamideimide, heat-resistant phenol resin, heat-resistant epoxy resin, polyarylsulfone, polyphenylene sulfide, polydiallylphthalate, polyetherimide, tetrafluoroethylene-hexafluoropropylene copolymer, polyimide, polytetrafluoroethylene, and polyphenylquinclorac. Wherein the folded filter papers can be connected in sequence to form the filter element.
By adopting the technical scheme, when the filter is used in places with nuclear facilities such as a nuclear power plant and the like, when the filtering effect is poor or the filter element is invalid, the outer frame and the inner frame can be detached, the inner frame and the filter element can be discarded, and the outer frame can be recycled. The filter has good filtering effect, meanwhile, the middle of the filter element is not bonded by hot melt adhesive, and the filter can not melt to generate toxic substances under high-temperature work, thereby being better in environmental protection. Moreover, after the filter element is abandoned, the inner frame and the outer frame can be directly compressed into a small volume integrally after being disassembled, so that the centralized processing is facilitated.
As a further improvement, the outer frame and the inner frame are assembled through screw pressing. By adopting the technical scheme, the disassembly and replacement are convenient, the outer frame and the inner frame are directly disassembled after the filter is abandoned, the internal control and the filter element part can be directly and integrally compressed into a small volume, the centralized processing is facilitated, and the nuclear pollution is also prevented.
As a further improvement of the utility model, a sealing component is arranged between the outer frame and the inner frame. By adopting the technical scheme, a sealing component is arranged between the inner frame and the outer frame to prevent the leakage of polluted air.
As a further improvement of the present invention, the sealing member is a double-layer sealing ring. And a double-layer sealing ring is adopted, so that the sealing effect is better.
As a further improvement of the utility model, the filter core is including the fine fiber note of glass that is used for supporting and separating adjacent filter paper, fine fiber note of glass is connected with filter paper. By adopting the technical scheme, the glass fiber paper strips can play a role in separating and supporting the filter paper, and the cost is low.
As a further improvement of the utility model, the filter paper becomes W-shaped by folding, the filter element and the inner frame are all around connected by high temperature resistant glue in a sealing way. Glass fiber is adopted to replace hot melt adhesive to separate the filter elements, the filter elements are made into a plurality of pieces and are placed in the inner frame, and the filter can be made into a W shape by adopting a 4V or 6V mode. Wherein the high temperature resistance is the temperature resistance of more than 250 ℃.
As a further improvement of the utility model, the outer frame is made of metal. Furthermore, the outer frame is formed by punching and forming through a die, and the processing is convenient.
As a further improvement of the utility model, the material of the inner frame is phenolic resin. Furthermore, the inner frame is formed by injection molding and then assembling through a mold, and is convenient to process and low in cost.
As a further improvement of the utility model, the outer frame passes through bolt fixed connection with the air outlet cover plate. The air outlet cover plate is fixed by a sufficient number of bolts, so that the tightness of the nuclear grade filter can be ensured.
Compared with the prior art, the beneficial effects of the utility model are that:
adopt the technical scheme of the utility model nuclear level high efficiency filter, whole effect satisfies filtration efficiency's requirement, and efficiency is greater than or equal to 99.99% @0.3um, can dismantle, and metal frame repeatedly usable, filter element can tear the replacement open, but inside casing and filter core abandonment back direct whole compressed into very little volume, do benefit to nuclear pollution material's centralized processing, greatly reduced the cost, reduced the waste, be favorable to the environmental protection more.
Drawings
Fig. 1 is the utility model discloses a detachable nuclear level high efficiency filter's decomposition structure sketch map.
Figure 2 is a schematic diagram of the filter paper portion of a removable nuclear grade high efficiency filter of the present invention.
The reference numerals include: 1-an outer frame, 2-an inner frame, 3-a filter element, 4-an air outlet cover plate, 5-a double-layer sealing ring and 6-an air inlet baffle;
31-glass fiber paper strips and 32-filter paper.
Detailed Description
Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, a detachable nuclear-grade high-efficiency filter comprises an outer frame 1, an inner frame 2 and a filter element 3, wherein the outer frame 1 and the inner frame 2 are assembled together through screw pressing, the filter element 3 is located in the inner frame, the filter element 3 comprises a glass fiber paper strip 31 for supporting and separating adjacent filter paper 32, and the glass fiber paper strip 31 is connected with the filter paper 32 and plays a role in supporting and spacing the adjacent filter paper 32. The two opposite sides of the outer frame 1 are respectively connected with an air inlet baffle 6 and an air outlet cover plate 4. The outer frame 1 is fixedly connected with the air outlet cover plate 4 through bolts. And a double-layer sealing ring 5 is arranged between the outer frame 1 and the inner frame 2. The outer frame 1 is made of metal. The inner frame 2 is made of phenolic resin. Further, the filter paper 32 is a high-efficiency glass fiber filter paper. The filter paper 32 is folded into a W shape, and the filter element 3 is hermetically connected with the periphery of the inner frame 2 by adopting high-temperature-resistant glue. Wherein the high temperature resistance is the temperature resistance of more than 250 ℃.
Adopt the technical scheme of this embodiment, frame 1 forms with mould stamping forming, inside casing 2 forms with mould injection moulding then equipment, the advantage of this structure has repeatedly usable's frame 1, frame 1 uses screw pressfitting assembly with inside casing 2, the removable replacement of filter core 3 like this, after the filter abandonment, dismantle frame 1 and inside casing 2, inside casing 2 can directly wholly be compressed into very little volume together with filter core 3, do benefit to the centralized processing of nuclear pollution material. The filter element 3 is folded into a W shape by using filter paper, and is spaced by using glass fiber paper strips 31, and hot melt glue is not used in the middle, so that the filter material is not melted at high working temperature to generate toxic substances. A double-layer sealing ring 5 is arranged between the inner frame 2 and the outer frame 1 to prevent leakage of polluted air; the air outlet cover plate 4 is fixed by a sufficient number of bolts, so that the tightness of the nuclear-grade filter is ensured; the integral effect of the filter meets the requirement of the filtering efficiency, and the efficiency is more than or equal to 99.99% @0.3 um; can resist overpressure, hot airflow, open fire, irradiation, shock resistance and the like.
According to the technology of the embodiment, when the nuclear-grade filter is scrapped and decomposed, the metal outer shell can be directly removed for recycling, and after the inner frame and the filter element are integrally stacked, the stacked objects can be crushed and compressed under the condition of no metal object, so that the stacked volume of the filter is greatly reduced, and the filter can be conveniently stored or processed.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.
Claims (9)
1. A detachable nuclear-grade high-efficiency filter, which is characterized in that: the filter comprises an outer frame, an inner frame and a filter element, wherein the outer frame is connected with the inner frame, the filter element is positioned in the inner frame and comprises folded filter paper, and two opposite sides of the outer frame are respectively connected with an air inlet baffle and an air outlet cover plate; the inner frame is made of heat-resistant polymer materials.
2. The removable nuclear-grade high-efficiency filter of claim 1, wherein: the outer frame and the inner frame are assembled through screw pressing.
3. The removable nuclear-grade high-efficiency filter of claim 2, wherein: and a sealing component is arranged between the outer frame and the inner frame.
4. The removable nuclear-grade high efficiency filter of claim 3, wherein: the sealing component is a double-layer sealing ring.
5. The removable nuclear-grade high-efficiency filter of claim 1, wherein: the filter element comprises glass fiber paper strips used for supporting and separating adjacent filter paper, and the glass fiber paper strips are connected with the filter paper.
6. The removable nuclear grade high efficiency filter of any one of claims 1 to 5, wherein: the filter paper is folded into a W shape, and the filter element is hermetically connected with the periphery of the inner frame by high-temperature-resistant glue.
7. The removable nuclear grade high efficiency filter of any one of claims 1 to 5, wherein: the outer frame is made of metal.
8. The removable nuclear-grade high-efficiency filter of claim 7, wherein: the outer frame is fixedly connected with the air outlet cover plate through bolts.
9. The removable nuclear-grade high-efficiency filter of claim 7, wherein: the inner frame is made of phenolic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120540307.6U CN214764130U (en) | 2021-03-16 | 2021-03-16 | Detachable nuclear-grade high-efficiency filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120540307.6U CN214764130U (en) | 2021-03-16 | 2021-03-16 | Detachable nuclear-grade high-efficiency filter |
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| Publication Number | Publication Date |
|---|---|
| CN214764130U true CN214764130U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120540307.6U Active CN214764130U (en) | 2021-03-16 | 2021-03-16 | Detachable nuclear-grade high-efficiency filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253498A (en) * | 2022-07-21 | 2022-11-01 | 上海核工程研究设计院有限公司 | Detachable high-efficiency filter |
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2021
- 2021-03-16 CN CN202120540307.6U patent/CN214764130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253498A (en) * | 2022-07-21 | 2022-11-01 | 上海核工程研究设计院有限公司 | Detachable high-efficiency filter |
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