CN101450306B - Depressurization desorption regeneration device and method of radon-absorption active carbon - Google Patents
Depressurization desorption regeneration device and method of radon-absorption active carbon Download PDFInfo
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- CN101450306B CN101450306B CN2008101439398A CN200810143939A CN101450306B CN 101450306 B CN101450306 B CN 101450306B CN 2008101439398 A CN2008101439398 A CN 2008101439398A CN 200810143939 A CN200810143939 A CN 200810143939A CN 101450306 B CN101450306 B CN 101450306B
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- activated carbon
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Abstract
The invention relates to a method and a device for recovering and regenerating niton-adsorbing activated carbon through depressurization. The method comprises: vacuumizing an activated carbon tube and heating the activated carbon to recover niton adsorbed by the activated carbon; and then adjusting a throttle valve to make air in a small flow rate pass through the activated carbon tube under the condition of keeping a certain vacuum degree of the activated carbon tube, so as to bring the recovered niton away. The device consists of a controller, a power supply, the activated carbon tube, a temperature meter, a vacuum air pump and the throttle valve, wherein the activated carbon tube consists of a cylindrical cylinder of which two ends are open, end covers arranged on the two opening ends of the cylinder, activated carbon arranged in the cylinder, a pressure spring, two heating electrodes, two activated carbon fiber plates and a thermal resistor; the end covers are in thread connection with the cylinder; the vacuum air pump and the throttle valve which are arranged on two end covers of the activated carbon tube are connected with the power supply through lead wires; the two heating electrodes is connected with the power supply though lead wires; the thermal resistor is connected with the temperature meter through a lead wire; the temperature meter is connected with the controller through a lead wire; and the controller is connected with the power supply through a lead wire.
Description
Technical field
The present invention relates to a kind of method of falling radon in people's live and work place, particularly a kind of radon-absorption active carbon depressurization desorption renovation process and device.
Background technology
Raising along with people's living standard and environmental consciousness, radon causes that people pay close attention to more and more widely in the underground installation in room especially some high radon concentration, and the reduction life of adopting an effective measure, workplace radon level have become an important and significant job.The method of falling radon usually has ventilation etc., yet just can not adopt the mode of ventilation to fall radon in the place of some inconvenience of ventilating.Adopting active carbon to continue to remove radon in the place of the inconvenience of ventilating is a kind of feasible method, but the active carbon single of certain mass can only be handled the airborne radon of limited bulk, in order to realize localized sustained the purpose of radon is fallen, the necessary problem that solves the quick online desorption and regeneration of radon-absorption active carbon.The desorption and regeneration of radon-absorption active carbon adopts the method for high temperature desorb usually, and its energy consumption is big, heats up slowly, and the recovery time is oversize, can not adapt to the requirement that active carbon continues to remove fast rapid regeneration in the radon process.
Summary of the invention
The objective of the invention is to disclose a kind of method of radon-absorption active carbon depressurization desorption regeneration, realize that active carbon continues to inhale the purpose of radon.
Another object of the present invention is to disclose a kind of device of realizing radon-absorption active carbon depressurization desorption renovation process.
Technical scheme of the present invention is: a kind of method of radon-absorption active carbon depressurization desorption regeneration, at first activated carbon tube is vacuumized, heat activated charcoal again, thereby the radon of desorb charcoal absorption, then regulate choke valve, keep activated carbon tube vacuum be-0.06～-pass through activated carbon tube with the air of low discharge under the situation of 0.08MPa, thereby the radon that desorbs is taken away.
Another technical scheme of the present invention is: a kind of radon-absorption active carbon depressurization desorption regenerating unit, it is made up of a controller, a power supply, an activated carbon tube, a temperature measuring gauge, a vavuum pump and a choke valve.Wherein, activated carbon tube by the cylindrical drum of a both ends open, be located at the end cap of two openends of cylindrical shell and be located at the active carbon in the cylindrical shell, a pressing spring, two heating electrodes, two NACF sheets and a thermistor and form, end cap and cylindrical shell adopt and are threaded, two heating electrodes and two NACF sheets are located at the two ends in the cylindrical shell respectively, active carbon is located between two interior NACF sheets of cylindrical shell, thermistor is located at the center in the cylindrical shell, and pressing spring is located between the end cap and heating electrode of cylindrical shell one end.
On the end cap of activated carbon tube one end, be connected with a vavuum pump by pipeline, vavuum pump is connected with power supply by lead.On the end cap of the activated carbon tube other end, be connected with a choke valve by pipeline, choke valve is connected with power supply by lead.Two heating electrodes in the activated carbon tube are connected with power supply by lead, and thermistor is connected with temperature measuring gauge by lead, and temperature measuring gauge is connected with controller by lead, are connected by lead between controller and the power supply.
During use, connect with the mains earlier, then activated carbon tube is vacuumized, then by the heating electrode heat activated charcoal, can monitor the temperature of active carbon by temperature measuring gauge, after temperature reaches 80～120 ℃, keep 3～5 minutes, regulate then choke valve keep activated carbon tube vacuum be-0.06～-passed through activated carbon tube 5～15 minutes with the air of low discharge under the situation of 0.08MPa, just take the radon that desorbs out of activated carbon tube by ozone like this.Above operating process is all controlled automatically by controller.
The present invention compared with prior art has following characteristics:
1, more traditional desorption method, thereby radon-absorption active carbon depressurization desorption renovation process makes the temperature required reduction of desorb (80～120 ℃), energy consumption little owing to reduced the activated carbon tube internal gas pressure, provides a kind of feasible, effective method for continuing to fall radon in the online fast desorption of realizing radon in the active carbon, the room.
2, a desorption and regeneration is no more than 30 minutes, and the efficient of desorb radon reaches more than 95%.The desorb volume of air is little, is easy to the delay absorption of radon, realizes the zero-emission of radon.
Below in conjunction with the drawings and specific embodiments to being further described clearly.
Description of drawings
Accompanying drawing is a radon-absorption active carbon depressurization desorption regenerating unit structural representation provided by the invention, and the direction of arrow among the figure is airflow direction.
The specific embodiment
A kind of method of radon-absorption active carbon depressurization desorption regeneration, earlier activated carbon tube 3 is vacuumized, then by heating electrode 3-6,3-9 heat activated charcoal 3-4, can monitor the temperature of active carbon 3-4 by temperature measuring gauge 4, after temperature reaches 80～120 ℃, kept 3～5 minutes, regulate then choke valve 6 keep activated carbon tube 3 vacuums be-0.06～-pass through activated carbon tube 3 with the air of low discharge under the situation of 0.08MPa, 5～15 minutes time, just take the radon that desorbs out of activated carbon tube 3 by ozone like this.
A kind of radon-absorption active carbon depressurization desorption regenerating unit, it is made up of a controller 1, power supply 2, activated carbon tube 3, temperature measuring gauge 4, a vavuum pump 5 and a choke valve 6.Wherein, activated carbon tube 3 is by the cylindrical drum 3-2 of a both ends open, be located at the end cap 3-1 of two openends of cylindrical shell 3-2,3-5 and be located at active carbon 3-4 in the cylindrical shell 3-2, a pressing spring 3-10, two heating electrode 3-6,3-9, two NACF sheet 3-7,3-8 and a thermistor 3-3 form, end cap 3-1,3-5 and cylindrical shell 3-2 adopt and are threaded, two heating electrode 3-6,3-9 and two NACF sheet 3-7,3,8 are located at the two ends in the cylindrical shell 3-2 respectively, active carbon 3-4 is located at two NACF sheet 3-7 in the cylindrical shell 3-2, between the 3-8, thermistor 3-3 is located at the center in the cylindrical shell 3-2, and pressing spring 3-10 is located between the end cap 3-1 and heating electrode 3-9 of cylindrical shell 3-2 one end.
On the end cap 3-5 of activated carbon tube 3 one ends, be connected with a vavuum pump 5 by pipeline, vavuum pump 5 is connected with power supply 2 by lead.On the end cap 3-1 of activated carbon tube 3 other ends, be connected with a choke valve 6 by pipeline, choke valve 6 is connected with power supply 2 by lead.Two heating electrode 3-6,3-9 in the activated carbon tube 3 are connected with power supply 2 by lead, and thermistor 3-3 is connected with temperature measuring gauge 4 by lead, and temperature measuring gauge 4 is connected with controller 1 by lead, are connected by lead between controller 1 and the power supply 2.
Claims (1)
1. the method for radon-absorption active carbon depressurization desorption regeneration, it is characterized in that: at first activated carbon tube is vacuumized, heat activated charcoal again, thereby the radon of desorb charcoal absorption, then regulate choke valve, keep activated carbon tube vacuum be-0.06～-pass through activated carbon tube with the air of low discharge under the situation of 0.08MPa, thereby the radon that desorbs is taken away;
The radon-absorption active carbon depressurization desorption regenerating unit that said method adopts is by a controller, a power supply, an activated carbon tube, a temperature measuring gauge, a vavuum pump and a choke valve are formed, wherein, activated carbon tube is by the cylindrical drum of a both ends open, be located at the end cap of two openends of cylindrical shell and be located at the interior active carbon of cylindrical shell, a pressing spring, two heating electrodes, two NACF sheets and a thermistor are formed, end cap and cylindrical shell adopt and are threaded, two heating electrodes and two NACF sheets are located at the two ends in the cylindrical shell respectively, active carbon is located between two interior NACF sheets of cylindrical shell, thermistor is located at the center in the cylindrical shell, and pressing spring is located between the end cap and heating electrode of cylindrical shell one end;
On the end cap of activated carbon tube one end, be connected with a vavuum pump by pipeline, vavuum pump is connected with power supply by lead, on the end cap of the activated carbon tube other end, be connected with a choke valve by pipeline, choke valve is connected with power supply by lead, two heating electrodes in the activated carbon tube are connected with power supply by lead, thermistor is connected with temperature measuring gauge by lead, and temperature measuring gauge is connected with controller by lead, is connected by lead between controller and the power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101439398A CN101450306B (en) | 2008-12-10 | 2008-12-10 | Depressurization desorption regeneration device and method of radon-absorption active carbon |
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| CN2008101439398A CN101450306B (en) | 2008-12-10 | 2008-12-10 | Depressurization desorption regeneration device and method of radon-absorption active carbon |
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| CN101450306A CN101450306A (en) | 2009-06-10 |
| CN101450306B true CN101450306B (en) | 2011-12-14 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225294B (en) * | 2011-04-18 | 2014-12-10 | 第二炮兵装备研究院第六研究所 | Method for filtering out radon |
| CN102249200B (en) * | 2011-04-18 | 2013-05-01 | 第二炮兵装备研究院第六研究所 | Method for absorbing and storing radon |
| CN102225295B (en) * | 2011-04-18 | 2013-10-02 | 第二炮兵装备研究院第六研究所 | Radon-filtering device |
| CN102408141B (en) * | 2011-08-05 | 2013-07-03 | 河海大学 | Desorption agent aiming at carbon-attached bacteria in effluent from activated carbon process |
| CN102809058A (en) * | 2012-07-30 | 2012-12-05 | 徐毅 | Coal-bed methane device for reducing pressure and desorbing |
| CN104474839B (en) * | 2014-11-17 | 2017-01-11 | 东南大学 | Desorption regeneration device and desorption regeneration method of active carbon filter layer in air cleaning equipment |
| CN105854512A (en) * | 2016-06-13 | 2016-08-17 | 何莉 | Activated carbon fiber adsorption device |
| CN108176388A (en) * | 2017-12-06 | 2018-06-19 | 张家港绿色三星净化科技股份有限公司 | Activated carbon fiber desorption method |
| CN111389366B (en) * | 2020-04-20 | 2022-04-26 | 南华大学 | Modification method of activated carbon, modified activated carbon and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120516A (en) * | 1995-04-06 | 1996-04-17 | 李震环 | Side-heating active carbon regenerating unit and regeneration method |
| CN1541940A (en) * | 2003-04-29 | 2004-11-03 | 李 韬 | Production and reproduction method of seamless active carbon articles and products produced thereby |
| CN1680017A (en) * | 2004-04-09 | 2005-10-12 | 李韬 | Production, re-activating method and products of active golden carbon |
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- 2008-12-10 CN CN2008101439398A patent/CN101450306B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120516A (en) * | 1995-04-06 | 1996-04-17 | 李震环 | Side-heating active carbon regenerating unit and regeneration method |
| CN1541940A (en) * | 2003-04-29 | 2004-11-03 | 李 韬 | Production and reproduction method of seamless active carbon articles and products produced thereby |
| CN1680017A (en) * | 2004-04-09 | 2005-10-12 | 李韬 | Production, re-activating method and products of active golden carbon |
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Inventor after: Xiao Detao Inventor after: Zhu Wenkai Inventor after: Zhou Baichang Inventor after: Zhou Qingzhi Inventor after: Zhao Fengtao Inventor before: Xiao Detao Inventor before: Zhou Qingzhi |
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Effective date of registration: 20110224 Address after: 421001 Hunan Province, Hengyang Zhengxiang District Road No. 28 Changsheng Applicant after: University of South China Co-applicant after: The Second Artillery Force Equipment Research Institute of the PLA Address before: 421001 Hunan Province, Hengyang Zhengxiang District Road No. 28 Changsheng Applicant before: University of South China |
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