CN101450306A - 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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- CN101450306A CN101450306A CN 200810143939 CN200810143939A CN101450306A CN 101450306 A CN101450306 A CN 101450306A CN 200810143939 CN200810143939 CN 200810143939 CN 200810143939 A CN200810143939 A CN 200810143939A CN 101450306 A CN101450306 A CN 101450306A
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Abstract
一种吸氡活性炭降压解吸再生的方法及装置，首先对活性炭管抽真空，再加热活性炭，从而解吸活性炭吸附的氡，接着调节节流阀，在保持活性炭管一定真空度的情况下以小流量的空气通过活性炭管，从而将解吸出来的氡带走。其装置由一个控制器、一个电源、一个活性炭管、一个测温表、一个真空泵和一个截流阀组成。其中，活性炭管由一个两端开口的圆筒形筒体、设在筒体两个开口端的端盖及设在筒体内的活性炭、一个加压弹簧、两块加热电极、两块活性炭纤维片和一个热敏电阻组成，端盖和筒体采用螺纹连接。安装在活性炭管两端端盖上真空泵和截流阀通过导线与电源连接，两块加热电极通过导线与电源连接，热敏电阻通过导线与测温表连接，测温表通过导线与控制器连接，控制器与电源之间通过导线连接。
A method and device for reducing the pressure, desorption and regeneration of radon-absorbing activated carbon. First, the activated carbon tube is vacuumed, and then the activated carbon is heated to desorb the radon adsorbed by the activated carbon. Then, the throttle valve is adjusted to maintain a certain vacuum degree of the activated carbon tube. The flow of air passes through the activated carbon tube, thereby taking away the desorbed radon. The device consists of a controller, a power supply, an activated carbon tube, a temperature gauge, a vacuum pump and a shut-off valve. Among them, the activated carbon tube consists of a cylindrical cylinder with openings at both ends, end caps arranged at the two open ends of the cylinder, activated carbon disposed in the cylinder, a pressure spring, two heating electrodes, two activated carbon fiber sheets and It consists of a thermistor, and the end cap and cylinder are connected by threads. Installed on the end caps at both ends of the activated carbon tube, the vacuum pump and shut-off valve are connected to the power supply through wires, the two heating electrodes are connected to the power supply through wires, the thermistor is connected to the temperature gauge through wires, and the temperature gauge is connected to the controller through wires. The controller and the power supply are connected by wires.
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 shutoff 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 shutoff valve by pipeline, shutoff 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 shutoff 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 shutoff valve 6 by pipeline, shutoff 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 (2)
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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 true CN101450306A (en) | 2009-06-10 |
| CN101450306B CN101450306B (en) | 2011-12-14 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225294A (en) * | 2011-04-18 | 2011-10-26 | 第二炮兵装备研究院第六研究所 | A kind of radon filtering method |
| CN102225295A (en) * | 2011-04-18 | 2011-10-26 | 第二炮兵装备研究院第六研究所 | Radon-filtering device |
| CN102249200A (en) * | 2011-04-18 | 2011-11-23 | 第二炮兵装备研究院第六研究所 | Method for absorbing and storing radon |
| CN102408141A (en) * | 2011-08-05 | 2012-04-11 | 河海大学 | Desorption agent for carbon-attached bacteria in effluent of activated carbon process |
| CN102809058A (en) * | 2012-07-30 | 2012-12-05 | 徐毅 | Coal-bed methane device for reducing pressure and desorbing |
| CN104474839A (en) * | 2014-11-17 | 2015-04-01 | 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 |
| CN111389366A (en) * | 2020-04-20 | 2020-07-10 | 南华大学 | Modification method of activated carbon, modified activated carbon and application thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038187C (en) * | 1995-04-06 | 1998-04-29 | 李震环 | Indirectly-heated activated carbon regeneration device and regeneration method |
| CN100364886C (en) * | 2003-04-29 | 2008-01-30 | 李韬 | Production and reproduction method of seamless active carbon articles and products produced thereby |
| CN1325154C (en) * | 2004-04-09 | 2007-07-11 | 李韬 | Production, re-activating method and products of active golden carbon |
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2008
- 2008-12-10 CN CN2008101439398A patent/CN101450306B/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225294A (en) * | 2011-04-18 | 2011-10-26 | 第二炮兵装备研究院第六研究所 | A kind of radon filtering method |
| CN102225295A (en) * | 2011-04-18 | 2011-10-26 | 第二炮兵装备研究院第六研究所 | Radon-filtering device |
| CN102249200A (en) * | 2011-04-18 | 2011-11-23 | 第二炮兵装备研究院第六研究所 | Method for absorbing and storing radon |
| 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 |
| 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 |
| 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 |
| 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 |
| CN102408141A (en) * | 2011-08-05 | 2012-04-11 | 河海大学 | Desorption agent for carbon-attached bacteria in effluent of activated carbon process |
| CN102809058A (en) * | 2012-07-30 | 2012-12-05 | 徐毅 | Coal-bed methane device for reducing pressure and desorbing |
| CN104474839A (en) * | 2014-11-17 | 2015-04-01 | 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 |
| CN111389366A (en) * | 2020-04-20 | 2020-07-10 | 南华大学 | Modification method of activated carbon, modified activated carbon and application thereof |
| CN111389366B (en) * | 2020-04-20 | 2022-04-26 | 南华大学 | Modification method of activated carbon, modified activated carbon and application thereof |
Also Published As
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| CN101450306B (en) | 2011-12-14 |
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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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