CN110575731A - Fiber material drawer type iodine adsorber - Google Patents
Fiber material drawer type iodine adsorber Download PDFInfo
- Publication number
- CN110575731A CN110575731A CN201910826398.7A CN201910826398A CN110575731A CN 110575731 A CN110575731 A CN 110575731A CN 201910826398 A CN201910826398 A CN 201910826398A CN 110575731 A CN110575731 A CN 110575731A
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- CN
- China
- Prior art keywords
- drawer
- cover plate
- iodine adsorber
- type iodine
- layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a drawer-type iodine adsorber made of fiber materials, which comprises a shell, wherein one side of the shell is provided with an air inlet, the shell consists of a plurality of side plates, a top cover plate and a bottom cover plate, folding filter elements made of fiber materials are arranged on the upper side and the lower side of the air inlet, the folding filter elements made of fiber materials comprise adsorption layers arranged on the top cover plate and the bottom cover plate, the adsorption layers are supported up and down through mesh support layers, the support layers on the top cover plate and the bottom cover plate keep the inner cavity of the shell communicated with the outside, and folded edges are arranged at the. When the gas adsorber is used, gas enters the inner cavity of the adsorber from the air inlet, flows through the adsorption layer, is adsorbed by radioactive iodine in the gas through the adsorption layer, and the gas after adsorption and purification is led out to the outer side of the shell through the air outlets of the top cover plate and the bottom cover plate.
Description
Technical Field
The invention relates to iodine adsorption and purification equipment for air purification, in particular to a drawer type iodine adsorber made of fiber materials.
Background
The prior folding iodine adsorber used in nuclear power plants and other nuclear facilities generally consists of an impregnated granular activated carbon filler and an outer frame, has heavy weight and generates a large amount of radioactive wastes after use. Ventilation systems or radioactive gas treatment systems of nuclear power plants or other nuclear facilities currently use iodine adsorbers filled with impregnated granular activated carbon to adsorb and purify radioactive iodine (including elemental iodine, inorganic iodides, organic iodides, etc.), which divide the total amount of radioactive substances filtered or adsorbed by the impregnated granular activated carbon iodine adsorbers into different kinds of radioactive wastes for respective treatment and final disposal and generate final waste disposal costs.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a drawer-type iodine adsorber for fiber materials.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a fiber material drawer type iodine adsorber, which comprises a housin, one side of casing has the air intake, the casing is by a plurality of curb plates and top apron, the bottom apron is constituteed, both sides are equipped with the foldable filter core of fiber material about the air intake, the foldable filter core of fiber material is including setting up at the top apron, a plurality of adsorbed layers between the bottom apron, the adsorbed layer is folded by multilayer fiber material filter paper and is constituteed, the filter paper both ends are bonded in the casing curb plate through the adhesive, the support is strengthened through netted supporting layer from top to bottom through the adsorbed layer, be equipped with a plurality of supporting layer fixed points on top apron and the bottom apron, the inner chamber and the outside intercommunication of casing are kept to the supporting layer on. When the gas adsorber is used, gas enters the inner cavity of the adsorber from the air inlet, flows through the adsorption layer, is adsorbed by radioactive iodine in the gas through the adsorption layer, and the gas after adsorption and purification is led out to the outer side of the shell through the air outlets of the top cover plate and the bottom cover plate.
Furthermore, the adsorption layer is overlapped by multiple layers of filter paper and folded into a snake belly shape, the number of folds is at least 10 folds, two ends of the filter paper are tightly adhered to the side plates by using resin glue, and the upper side and the lower side of the filter paper are clamped by using metal mesh supporting layers.
Furthermore, the material of the adsorption layer is porous carbon fiber filter paper material, the thickness of the adsorption layer is at least 6mm, the adsorption layer is soaked in triethylene diamine or potassium iodide solution, the concentration of the triethylene diamine solution is between 0.01 and 20 percent, and the concentration of the potassium iodide solution is between 0.01 and 20 percent.
further, the outer dimensions were 610mm × 160mm × 760 mm.
Further, the outer frame is made of fireproof wooden plates, aluminum, stainless steel and the like.
Further, metal protection nets are paved on the surfaces of the top cover plate and the bottom cover plate.
Further, a handle is connected to a side plate of the shell.
Furthermore, the air inlet of the side plate is provided with a folded edge which is at least 2 cm.
Furthermore, a semicircular rubber sealing gasket is arranged on the outer edge of the side plate.
Further, the cross section of the supporting layer is corrugated or sawtooth-shaped.
The invention has the beneficial effects that: the two sides of an air inlet of the iodine adsorber are provided with fiber material folding filter elements, each fiber material folding filter element comprises an adsorption layer arranged between a top cover plate and a bottom cover plate, the adsorption layers are clamped and fixed by W-shaped mesh support layers on the two sides, a plurality of support layer fixing points are arranged on the top cover plate and the bottom cover plate, the air inlet is positioned on a side plate of a shell, the top cover plate and the bottom cover plate of the adsorber are provided with strip-shaped air outlets, the adsorption layers are made of porous carbon fiber filter paper materials, the adsorption layers are impregnated with solutions formed by singly mixing triethylene diamine or potassium iodide or mixing the triethylene diamine or the potassium iodide according to a certain proportion, the adsorption layers have the capacity of adsorbing radioactive iodine (elemental iodine, inorganic iodide, methyl iodine, ethyl iodine and the like), and; when the gas adsorption device is used, gas enters the inner cavity of the adsorption device from the air inlet, flows through the adsorption layer, is adsorbed by radioactive iodine in the gas through the adsorption layer, and the gas after adsorption and purification is led out to the outer side of the shell through the air outlets of the top cover plate and the bottom cover plate.
drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a top view of the top cover plate of the present invention.
Detailed Description
As shown in fig. 1 to 3, a fiber material drawer type iodine adsorber, including casing 1, one side of casing 1 has air intake 2, casing 1 comprises a plurality of curb plates 3 and top apron 4, bottom apron 5, be equipped with supporting layer fixed point 8 and air outlet 11 on top apron 4 and the bottom apron 5, fiber material folding filter core is including setting up at top apron 4, a plurality of adsorbed layer 6 between bottom apron 5 and the air intake 2, strengthen the support through supporting layer 10 between the adjacent adsorbed layer 6, be equipped with a plurality of supporting layer fixed points 8 on top apron 4 and the bottom apron 5, air intake 2 is located the curb plate 3 of casing 1, air intake 2 communicates with the inner chamber of casing 1.
Further, the material of the adsorption layer 6 is porous carbon fiber filter paper material, the porous carbon fiber filter paper material is overlapped by multiple layers of filter paper and is folded into a snake-belly shape, the number of folds is at least 10 folds, two ends of the filter paper are tightly adhered to the side plates by using resin glue, and the upper side and the lower side of the adsorption layer 6 are clamped by using metal mesh supporting layers 10. The adsorption layer 6 is dipped in triethylene diamine or potassium iodide solution or solution formed by mixing according to a certain proportion, wherein the concentration of the triethylene diamine solution is between 0.01 and 20 percent, the concentration of the potassium iodide solution is between 0.01 and 20 percent, or the adsorption layer is treated by adopting other methods which can enhance the capacity of the fiber matrix for adsorbing radioactive iodine (simple substance iodine, inorganic iodide, methyl iodine, ethyl iodine and the like) so as to enhance the capacity of the fiber matrix for adsorbing the radioactive iodine.
In the present invention, the cross-section of the supporting layer 10 is corrugated or serrated, and the supporting layer 10 is a metal mesh folding plate. And a folded edge is arranged at the air inlet of the side plate 3 to improve the sealing property of the edge of the adsorption layer 6. A semicircular rubber sealing gasket 7 is arranged on the outer edge of the side plate 3 to improve the installation sealing performance of the iodine adsorber. The surfaces of the top cover plate 4 and the bottom cover plate 5 are paved with metal protection nets 12 to protect the adsorption layer 6 of the iodine adsorber from being damaged during transportation. In addition, a handle 9 is connected to a side plate of the housing for easy carrying and installation.
A fiber material folding filter element is arranged between a top cover plate 4 and a bottom cover plate 5 of the iodine adsorber and an air inlet 2, the fiber material folding filter element comprises an adsorption layer 6 which is arranged between the top cover plate 4 and the bottom cover plate 5 and is formed by a plurality of layers of folding fiber materials between the air inlet 2, the adsorption layer is reinforced and supported up and down by a metal mesh support layer 10, support layer fixing points 8 are arranged on the top cover plate 4 and the bottom cover plate 5, the air inlet 2 is positioned on a side plate 3 of a shell 1, the air inlet 2 is communicated with an inner cavity of the shell 1, the adsorption layer 6 is made of porous carbon filter paper fiber materials, the adsorption layer 6 has the capacity of adsorbing radioactive organic iodine (simple substance iodine, inorganic iodide, methyl iodide, ethyl iodide and the like), and the porous carbon fiber filter paper materials; when the adsorption device is used, gas enters the inner cavity of the adsorption device from the air inlet 2, the gas is in contact with the adsorption layers 6 between the top cover plate 4 and the air inlet and between the bottom cover plate 5 and the air inlet, radioactive iodine in the gas is adsorbed by the adsorption layers 6, the adsorbed gas passes through gaps between the top cover plate 4 and the bottom cover plate 5 and is led out to the outer side of the shell, and the adsorption device is used for ventilation systems and gas treatment systems of nuclear power plants and other nuclear facilities to replace currently used iodine adsorption devices on the premise of not increasing system transformation cost, so that the operation cost of the ventilation systems and the gas treatment systems of the nuclear power plants and other nuclear facilities can be saved, and the treatment and disposal cost of final radioactive waste can be saved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a fiber material drawer type iodine adsorber, which comprises a housin, one side of casing has the air intake, the casing is by a plurality of curb plates and top apron, the bottom apron is constituteed, both sides are equipped with the foldable filter core of fiber material about the air intake, the foldable filter core of fiber material is including setting up at the top apron, a plurality of adsorbed layers between the bottom apron, the adsorbed layer is folded by multilayer fiber material filter paper and is constituteed, the both ends of adsorbed layer bond in the casing curb plate through the adhesive, the support is strengthened through netted supporting layer from top to bottom through the adsorbed layer, be equipped with a plurality of supporting layers fixed point on top apron and the bottom apron, the inner chamber and the outside intercommunication of.
2. The drawer-type iodine adsorber of claim 1 wherein the adsorption layer is formed by overlapping a plurality of layers of filter paper and folded into a bellows shape with at least 10 pleats, the filter paper is tightly adhered to the side plates at both ends thereof with resin glue, and the adsorption layer is clamped at both upper and lower sides thereof with mesh support layers.
3. The drawer-type iodine adsorber made of fiber materials as claimed in claim 1 or 2, wherein the material of the adsorption layer is porous carbon fiber filter paper material, the thickness of the adsorption layer is at least 6mm, the adsorption layer is impregnated with triethylene diamine or potassium iodide solution, the concentration of the triethylene diamine solution is between 0.01% and 20%, and the concentration of the potassium iodide solution is between 0.01% and 20%.
4. The drawer-type iodine adsorber of fibrous material as claimed in claim 3 wherein the housing has external dimensions of 610mm x 160mm x 760 mm.
5. The drawer-type iodine adsorber of claim 3 wherein the housing is made of fire-retardant wood, aluminum, stainless steel.
6. The drawer-type iodine adsorber of fibrous material as claimed in claim 1, wherein the top cover plate and the bottom cover plate are covered with a metal protective mesh on their surfaces.
7. The drawer-type iodine adsorber of fibrous material as claimed in claim 1, wherein a handle is attached to a side plate of said housing.
8. The drawer-type iodine adsorber of claim 1 wherein the air intake of the side plate is flanged at least 2 cm.
9. The drawer-type iodine adsorber of claim 8 wherein a semi-circular rubber gasket is provided on the outer edge of the side plate.
10. The drawer-type iodine adsorber of fibrous material as claimed in claim 2, wherein said support layer is corrugated or serrated in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826398.7A CN110575731A (en) | 2019-09-03 | 2019-09-03 | Fiber material drawer type iodine adsorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826398.7A CN110575731A (en) | 2019-09-03 | 2019-09-03 | Fiber material drawer type iodine adsorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110575731A true CN110575731A (en) | 2019-12-17 |
Family
ID=68812399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910826398.7A Pending CN110575731A (en) | 2019-09-03 | 2019-09-03 | Fiber material drawer type iodine adsorber |
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| Country | Link |
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| CN (1) | CN110575731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203066A (en) * | 2020-02-25 | 2020-05-29 | 中国辐射防护研究院 | Integrated shell and large-filtering-area iodine adsorber structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006109595A1 (en) * | 2005-04-06 | 2006-10-19 | Toyo Boseki Kabushiki Kaisha | Filter for removing radioactive substance and filter unit employing the same |
| US20140162346A1 (en) * | 2012-12-10 | 2014-06-12 | Lawrence Livermore National Security, Llc | Method of concurrently filtering particles and collecting gases |
| CN105457444A (en) * | 2014-09-10 | 2016-04-06 | 中国辐射防护研究院 | Active carbon sampling filtration membrane for radioactive iodine measurement |
| CN207126332U (en) * | 2017-09-04 | 2018-03-23 | 河北宏顺旺吉环保科技有限公司 | A kind of efficiently convenient absorber of drawer type |
| CN108962413A (en) * | 2018-01-10 | 2018-12-07 | 天津天颐科苑科技有限公司 | A kind of novel nuclear radiation protection structure and its application |
-
2019
- 2019-09-03 CN CN201910826398.7A patent/CN110575731A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006109595A1 (en) * | 2005-04-06 | 2006-10-19 | Toyo Boseki Kabushiki Kaisha | Filter for removing radioactive substance and filter unit employing the same |
| US20140162346A1 (en) * | 2012-12-10 | 2014-06-12 | Lawrence Livermore National Security, Llc | Method of concurrently filtering particles and collecting gases |
| CN105457444A (en) * | 2014-09-10 | 2016-04-06 | 中国辐射防护研究院 | Active carbon sampling filtration membrane for radioactive iodine measurement |
| CN207126332U (en) * | 2017-09-04 | 2018-03-23 | 河北宏顺旺吉环保科技有限公司 | A kind of efficiently convenient absorber of drawer type |
| CN108962413A (en) * | 2018-01-10 | 2018-12-07 | 天津天颐科苑科技有限公司 | A kind of novel nuclear radiation protection structure and its application |
Non-Patent Citations (1)
| Title |
|---|
| 沈阳药学院等合编: "《制药化工过程及设备》", 31 December 1980, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203066A (en) * | 2020-02-25 | 2020-05-29 | 中国辐射防护研究院 | Integrated shell and large-filtering-area iodine adsorber structure |
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