CN110575730A - foldable iodine adsorber of fiber material - Google Patents

foldable iodine adsorber of fiber material Download PDF

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Publication number
CN110575730A
CN110575730A CN201910826387.9A CN201910826387A CN110575730A CN 110575730 A CN110575730 A CN 110575730A CN 201910826387 A CN201910826387 A CN 201910826387A CN 110575730 A CN110575730 A CN 110575730A
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CN
China
Prior art keywords
adsorber
iodine
adsorption layer
fiber material
foldable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910826387.9A
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Chinese (zh)
Inventor
任宏正
张雪平
李永国
王坤俊
侯建荣
邱继林
乔太飞
吴涛
张群
丘丹圭
刘群
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China Institute for Radiation Protection
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China Institute for Radiation Protection
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Institute for Radiation Protection filed Critical China Institute for Radiation Protection
Priority to CN201910826387.9A priority Critical patent/CN110575730A/en
Publication of CN110575730A publication Critical patent/CN110575730A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/04Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted 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)
  • Treating Waste Gases (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

The invention relates to a fiber material folding type iodine adsorber which comprises an adsorber shell, wherein an air inlet and an air outlet are respectively formed in two sides of the adsorber shell, a fiber material folding type filter element is arranged in an inner cavity of the adsorber shell, the fiber material folding type filter element comprises an adsorption layer formed by overlapping multiple layers of fiber material filter paper, the filter paper is folded into a snake belly shape, two ends of the filter paper are bonded and sealed by resin glue, and the adsorption layer is supported by a support plate in a reinforcing mode. When the adsorption device is used, gas enters from the air inlet, passes through the adsorption layer, radioactive iodine in the gas is adsorbed by the adsorption layer, and the adsorbed and purified gas flows out from the air outlet. The material of the adsorption layer is porous carbon fiber filter paper material, the adsorption layer is soaked in solution 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 layer has the capacity of adsorbing radioactive iodine (elemental iodine, inorganic iodide, methyl iodide, ethyl iodide and the like), and the porous carbon fiber filter paper material is light in weight and convenient for waste treatment.

Description

Foldable iodine adsorber of fiber material
Technical Field
The invention relates to iodine adsorption and purification equipment for air purification, in particular to a fiber material folding type iodine adsorber.
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 radioactive iodine compounds such as elemental iodine, organic iodine, etc.), and these impregnated granular activated carbon iodine adsorbers divide the total amount of radioactive substances filtered or adsorbed by the adsorbent into different kinds of radioactive wastes to perform corresponding 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 fiber material folding type iodine adsorber.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a foldable iodine adsorption ware of fiber material, includes the adsorber casing, and the both sides of adsorber casing have air intake and air outlet respectively, are equipped with the foldable filter core of fiber material in the inner chamber of adsorber casing, its characterized in that, the foldable filter core of fiber material includes and is folded in the adsorber casing and both ends and the adsorbed layer of adsorber casing inner wall bonding by multilayer fiber material filter paper, and the adsorbed layer is strengthened the support through W type backup pad.
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.
Furthermore, the outer dimension of the absorber shell is 610mm multiplied by 292mm, and the side plate of the absorber shell is provided with a folded edge to improve the sealing performance, and the folded edge is at least 2 cm.
Furthermore, the outer frame of the absorber shell is made of fireproof wooden plate, aluminum, stainless steel and the like.
Further, the cross section of the supporting plate is corrugated or sawtooth-shaped.
Further, the support plate is a metal folding plate.
Furthermore, metal protection nets are arranged at the air inlet and the air outlet of the absorber shell.
Furthermore, the end part of the adsorption layer is fixedly or detachably connected with the inner wall of the adsorber shell.
The invention has the beneficial effects that: the fiber material folding filter element of the iodine adsorber comprises a plurality of adsorption layers which are arranged in an adsorber shell, two ends of each adsorption layer are connected with the inner wall of the adsorber shell, adjacent adsorption layers are supported by supporting plates in an enhanced mode, the adsorption layers are made of porous carbon fiber filter paper materials, the adsorption layers are soaked in solutions formed by triethylene diamine or potassium iodide singly or mixed according to a certain proportion, the adsorption layers have the capacity of adsorbing radioactive iodine (simple substance iodine, inorganic iodide, methyl iodide, ethyl iodide and the like), and the porous carbon fiber filter paper materials are light in weight and convenient to waste treatment; the W-shaped metal folding plate is used as a support plate of the adsorption layer, so that the adsorption layer is shaped better, the spreading condition of airflow can be improved, metal protection nets are arranged on two surfaces of an air inlet and an air outlet of the iodine adsorber, the iodine adsorber is protected from being damaged in the transportation process, and the performance of the iodine adsorber is equivalent to that of the existing folding type iodine adsorber when in use, so that the iodine adsorber can replace iodine adsorbers in different forms in a nuclear power plant and other nuclear facility ventilation systems and gas treatment systems.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, a fiber material folding type iodine adsorber comprises an adsorber shell 1, wherein an air inlet 2 and an air outlet 3 are respectively arranged on two sides of the adsorber shell 1, a fiber material folding type filter element is arranged in an inner cavity of the adsorber shell 1, the fiber material folding type filter element comprises a plurality of adsorption layers 4 which are arranged in the adsorber shell 1 and two ends of each adsorption layer are connected with the inner wall of the adsorber shell 1, and the adjacent adsorption layers 4 are reinforced and supported by supporting plates 5.
Further, the material of the adsorption layer 4 is porous carbon fiber filter paper material, the adsorption layer 4 is formed by folding a plurality of layers of porous carbon fiber filter paper, the adsorption layer 4 is soaked in triethylene diamine or potassium iodide solution, the concentration of the triethylene diamine solution is 0.01-20%, the concentration of the potassium iodide solution is 0.01-20%, or other methods capable of enhancing the adsorption capacity of the fiber matrix to radioactive iodine (elemental iodine, inorganic iodide, methyl iodine, ethyl iodine and the like) are used for processing so as to enhance the adsorption capacity of the fiber matrix to the radioactive iodine.
The cross section of the supporting plate 5 is corrugated or zigzag, and the supporting plate 5 can be a metal folded plate.
Furthermore, metal protection nets are arranged at the air inlet 2 and the air outlet 3 of the adsorber shell 1. The end part of the adsorption layer 4 is fixedly or detachably connected with the inner wall of the adsorber shell.
The fiber material folding filter element of the iodine adsorber comprises a plurality of adsorption layers 4 which are arranged in an adsorber shell and two ends of each adsorption layer are connected with the inner wall of the adsorber shell, adjacent adsorption layers 4 are supported by supporting plates 5 in an enhanced mode, the adsorption layers 4 are made of porous carbon fiber filter paper materials, the adsorption layers are soaked in 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 organic iodine (methyl iodide, ethyl iodide and the like), and the porous carbon fiber filter paper materials are light in weight and convenient for waste treatment; and uses a metal folded sheet as the support plate 5 of the adsorption layer to better shape the adsorption layer and can improve the dispersion of the airflow, specifically: the gas entering from the air inlet 2 enters the inner cavity of the absorber to be contacted with each adsorption layer 4, the radioactive organic iodine in the gas is adsorbed by the adsorption layers 4, and the adsorbed gas passes through the gaps of each metal folding plate to enter the other side of the fiber material folding filter element and is led out from the air outlet 3;
And install the metal protective net on the air intake 2 of the iodine adsorber, both sides of air outlet 3, in order to protect the iodine adsorber from being damaged in the course of transporting, it is equivalent to existing folding iodine adsorber performance while using, therefore can replace the different forms of iodine adsorber in the ventilation system and gas treatment system of nuclear power plant and other nuclear facilities.
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 (8)

1. The utility model provides a foldable iodine adsorption ware of fiber material, includes the adsorber casing, and the both sides of adsorber casing have air intake and air outlet respectively, are equipped with the foldable filter core of fiber material in the inner chamber of adsorber casing, its characterized in that, the foldable filter core of fiber material includes and is folded in the adsorber casing and both ends and the adsorbed layer of adsorber casing inner wall bonding by multilayer fiber material filter paper, and the adsorbed layer is strengthened the support through W type backup pad.
2. The foldable iodine adsorber made of fiber materials as claimed in claim 1, 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%.
3. The folded iodine adsorber of claim 1 or 2 wherein the side panels of the adsorber housing are provided with folded edges, the folded edges being at least 2 cm.
4. The foldable fibrous iodine adsorber of claim 3 wherein the outer frame of the adsorber housing is made of fire-retardant wood, aluminum or stainless steel.
5. The folded iodine adsorber of claim 1 or claim 2 wherein the support plate is corrugated or serrated in cross-section.
6. The folded iodine adsorber of claim 5 wherein said support sheet is a folded sheet of metal.
7. The foldable fiber material iodine adsorber of claim 1 or 2, wherein metal protection nets are arranged at the air inlet and the air outlet of the adsorber housing.
8. The foldable fibrous iodine adsorber of claim 3 wherein the ends of said adsorbent layer are fixedly or removably attached to the inner wall of the adsorber housing.
CN201910826387.9A 2019-09-03 2019-09-03 foldable iodine adsorber of fiber material Pending CN110575730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910826387.9A CN110575730A (en) 2019-09-03 2019-09-03 foldable iodine adsorber of fiber material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910826387.9A CN110575730A (en) 2019-09-03 2019-09-03 foldable iodine adsorber of fiber material

Publications (1)

Publication Number Publication Date
CN110575730A true CN110575730A (en) 2019-12-17

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Cited By (1)

* Cited by examiner, † Cited by third party
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2065095U (en) * 1990-05-07 1990-11-07 上海核工程研究设计院 Drawer-type adsorber
JP2003066191A (en) * 2001-08-29 2003-03-05 Wakaida Eng:Kk Processing method for radioactive gas and filter device for adsorbing radioactive gas
CN201389421Y (en) * 2009-04-16 2010-01-27 河南核净洁净技术有限公司 Iodine adsorber
CN202778201U (en) * 2012-08-07 2013-03-13 中国辐射防护研究院 Folding iodine adsorber
CN103203144A (en) * 2012-01-14 2013-07-17 苏州市恩威特环境技术有限公司 High efficiency filter seal structure
US20140162346A1 (en) * 2012-12-10 2014-06-12 Lawrence Livermore National Security, Llc Method of concurrently filtering particles and collecting gases
CN205216417U (en) * 2015-10-30 2016-05-11 上海核工程研究设计院 Portable dolly that filters of big amount of wind III type active carbon iodine adsorber
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
CN208660641U (en) * 2018-06-11 2019-03-29 石家庄一通过滤器设备制造有限公司 A kind of leaf filter

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2065095U (en) * 1990-05-07 1990-11-07 上海核工程研究设计院 Drawer-type adsorber
JP2003066191A (en) * 2001-08-29 2003-03-05 Wakaida Eng:Kk Processing method for radioactive gas and filter device for adsorbing radioactive gas
CN201389421Y (en) * 2009-04-16 2010-01-27 河南核净洁净技术有限公司 Iodine adsorber
CN103203144A (en) * 2012-01-14 2013-07-17 苏州市恩威特环境技术有限公司 High efficiency filter seal structure
CN202778201U (en) * 2012-08-07 2013-03-13 中国辐射防护研究院 Folding iodine adsorber
US20140162346A1 (en) * 2012-12-10 2014-06-12 Lawrence Livermore National Security, Llc Method of concurrently filtering particles and collecting gases
CN205216417U (en) * 2015-10-30 2016-05-11 上海核工程研究设计院 Portable dolly that filters of big amount of wind III type active carbon iodine adsorber
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
CN208660641U (en) * 2018-06-11 2019-03-29 石家庄一通过滤器设备制造有限公司 A kind of leaf filter

Cited By (1)

* Cited by examiner, † Cited by third party
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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