CN108722381A - Radon-absorption active carbon regenerating unit and regeneration method based on microwave heating desorption - Google Patents
Radon-absorption active carbon regenerating unit and regeneration method based on microwave heating desorption Download PDFInfo
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- CN108722381A CN108722381A CN201810926664.9A CN201810926664A CN108722381A CN 108722381 A CN108722381 A CN 108722381A CN 201810926664 A CN201810926664 A CN 201810926664A CN 108722381 A CN108722381 A CN 108722381A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/11—Noble gases
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Abstract
Radon-absorption active carbon regenerating unit and regeneration method based on microwave heating desorption, it is active-carbon bed in device to be mounted in microwave oven, and pass through ready-packaged joint and the air inlet pipe on microwave oven, escape pipe connects, microwave inhibits pipe sleeve in air inlet pipe and an air outlet pipe, [1] on thermocouple passes through microwave oven and microwave that pipe is inhibited to be connect with thermometer, the inlet end of escape pipe and constant flow pump connects, the outlet side of constant flow pump and the inlet end of three-way magnetic valve connect, first outlet side of three-way magnetic valve is communicated with room air, second outlet side of three-way magnetic valve is connect with the inlet end for being detained charcoal bed, emanometer is mounted on the pipeline between constant flow pump and three-way magnetic valve.After active-carbon bed interior activated carbon is saturated, microwave oven is opened to active-carbon bed interior activated carbon heating desorption, emanometer measures the radon contents in desorption process, when the reading of emanometer is close to room air radon consistence, desorption process terminates, to realize the regeneration of activated carbon.
Description
Technical field
The present invention relates to environmental protection technical field, especially a kind of radon-absorption active carbon regeneration based on microwave heating desorption
Device and regeneration method.
Background technology
With the raising of people's standard of living and environmental awareness, in the room especially underground installation of some high radon consistences
Radon causes people to pay close attention to more and more widely, adopt an effective measure reduction life, workplace radon level have become one it is important
And significant work.
The use of the radon in activated carbon adsorption local environment is one of drop radon method, this has scientific research and particular surroundings important
Purposes.Activated carbon can not adsorb merely radon, equally have preferable adsorption capacity for the similar inert gas of property.But
The activated carbon single of certain mass can only handle the radon in limited bulk air, must in order to realize that the purpose of radon drops in localized sustained
It must solve the problems, such as radon-absorption active carbon quickly online desorption and regeneration.
Usually used regeneration method of active carbon has high-temperature heating desorption and regeneration method, bio-regeneration method, wet oxidation process, molten
Agent method of reproduction, electrochemical regeneration method, catalytic wet air oxidation etc..Among those methods, people use most, also the most ripe
Method be high-temperature heating desorption and regeneration method.
There are two types of existing high-temperature heating desorption and regeneration methods, first, the good conductive characteristic of activated carbon is utilized, in activated carbon
Pipe both ends add one piece of heating electrode respectively, are desorbed by activated carbon conductive heater by heating electrode；Second is that utilizing electric-heating-wire-heating
Air penetrates activated carbon and heating of Activated charcoal using hot-air.Both high-temperature heating desorption and regeneration method energy consumptions are big, and heating is slow
Slowly, the recovery time is long, cannot meet the requirement that activated carbon persistently removes rapid regeneration during radon.
Invention content
A kind of suction radon desorbed based on microwave heating is provided the purpose of the present invention is overcoming the above-mentioned insufficient of the prior art
Active carbon regenerating unit and regeneration method.
The technical scheme is that：Based on the radon-absorption active carbon regenerating unit of microwave heating desorption, including microwave heating
Stove, emanometer, is detained charcoal bed, thermometer, microwave inhibition pipe, air inlet pipe, escape pipe, threeway electromagnetism at active-carbon bed, constant flow pump
Valve, air inlet pipe fitting, outlet pipe fitting, thermocouple, activated carbon fibre piece, the first ready-packaged joint, the second ready-packaged joint and connection
Set.
Air inlet pipe mounting hole and escape pipe mounting hole are respectively equipped on the furnace wall of microwave oven both sides.
Active-carbon bed includes cylindrical tube and end cap.
The bottom of cylindrical tube is equipped with outlet pipe fitting mounting hole, and outlet pipe fitting is mounted on outlet pipe fitting mounting hole
It is interior and affixed by binder and the sealing of outlet pipe fitting mounting hole, the second ready-packaged joint is installed on outlet pipe fitting.
End cap is equipped with thermocouple mounting hole and air inlet pipe fitting mounting hole, and air inlet pipe fitting is mounted on air inlet pipe fitting mounting hole
It is interior and affixed by binder and the sealing of air inlet pipe fitting mounting hole, the second ready-packaged joint is installed on air inlet pipe fitting.
It is filled with activated carbon in the cylinder of cylindrical tube, and is encapsulated in the cylinder of cylindrical tube by end cap, holds
Lid is affixed by the sealing of the open end of binder and cylindrical tube, and two pieces of activated carbon fibre pieces are separately mounted to cylindrical tube
Bottom end and end cap inner face, the thermocouple mounting hole that thermocouple through end covers is inserted into cylindrical tube body, for surveying
The temperature of carbon content active, thermocouple are fixed in by first binding agent seal in thermocouple mounting hole.
Air inlet pipe includes air inlet straight tube, and one end of air inlet straight tube is equipped with air inlet end connector, and inlet end connector end face is equipped with
Filter screen, filter screen are pressed on by air inlet end cap on the end face of air inlet end connector, and the other end of air inlet straight tube is equipped with external screw thread.
Air inlet pipe mounting hole of the one end of air inlet pipe on microwave oven furnace wall is inserted into the inner cavity of microwave oven,
Affixed by first binding agent seal between air inlet pipe and air inlet pipe mounting hole, the first ready-packaged joint is mounted on the external screw thread of air inlet pipe
On, connector sleeve is sleeved on the first ready-packaged joint.
It is exposed in the air inlet pipe outside microwave oven and is set with microwave inhibition pipe, microwave inhibits pipe to be fixed by screws in
On the outer wall of microwave oven.
Escape pipe includes outlet straight tube, and one end of outlet straight tube is equipped with connecting flange, and the other end is equipped with external screw thread.
Escape pipe mounting hole of the one end of escape pipe on microwave oven furnace wall is inserted into the inner cavity of microwave oven,
Affixed by first binding agent seal between escape pipe and tracheae mounting hole, the first ready-packaged joint is mounted on the external screw thread of escape pipe,
Connector sleeve is sleeved on the first ready-packaged joint.
It is exposed on the escape pipe outside microwave oven and is set with microwave inhibition pipe, microwave inhibits pipe to be fixed by screws in
On the outer wall of microwave oven.
Active-carbon bed the first ready-packaged joint on the inner cavity of microwave oven, air inlet pipe passes through connector sleeve and air inlet
The second ready-packaged joint connection on pipe fitting, is equipped with gasket, on escape pipe between the first ready-packaged joint and the second ready-packaged joint
The first ready-packaged joint connect with the second ready-packaged joint on outlet pipe fitting by connector sleeve, the first ready-packaged joint and second fast
Gasket is equipped between joint.
[1] on thermocouple passes through microwave oven and microwave that pipe is inhibited to be connect with thermometer, escape pipe by pipeline and
The inlet end of constant flow pump connects, and the outlet side of constant flow pump is connected by the inlet end of pipeline and three-way magnetic valve, three-way magnetic valve
The first outlet side communicated with room air, the second outlet side of three-way magnetic valve connect with the inlet end for being detained charcoal bed, survey radon
Instrument is mounted on the pipeline between constant flow pump outlet side and three-way magnetic valve inlet end.
The present invention also provides a kind of using above-mentioned radon-absorption active carbon regenerating unit to the side of radon-absorption active carbon desorption and regeneration
Method desorbs radon-absorption active carbon using microwave heating, and specific operation process is as follows：
A, when the radon-absorption active carbon regenerating unit desorbed based on microwave heating adsorbs Indoor Niton, the first outlet of three-way magnetic valve
End is in open state, and the second outlet side of three-way magnetic valve is closed, and opens constant flow pump, indoor air containing radon is through work
Interior is discharged to by the first outlet side of three-way magnetic valve again after activated carbon adsorption in property charcoal bed.
B, when the reading of emanometer be indoor radon concentration when, it is active-carbon bed in activated carbon adsorption saturation, to activated carbon into
Row desorption.
When C, desorbing, the first outlet side of three-way magnetic valve is closed, opens the second outlet side of three-way magnetic valve, is opened micro-
Wave heating stove heats active-carbon bed interior activated carbon, and microwave heating power is 800W~1000W, thermocouple measurement activated carbon
Temperature, by microwave heating power adjustment to 180W~220W, maintains activated carbon after the temperature of activated carbon reaches 150~250 DEG C
Temperature, the radon desorbed is pumped by constant flow pump is detained charcoal bed.
D, emanometer is used for measuring radon contents in desorption process, when the reading of emanometer is close to room air radon consistence
When, desorption process terminates, to realize the regeneration of activated carbon.
The present invention has following features compared with prior art：
1, using microwave to activated carbon heating desorption, just reach the temperature needed for active carbon desorption in a short period of time, it can be full
Sufficient activated carbon persistently removes the requirement of rapid regeneration during radon.
2, activated carbon heating desorption can be realized and is uniformly heated inside and outside activated carbon, this is very beneficial for using microwave
The rapid and uniform heating of radon-absorption active carbon desorbs.
The detailed construction of the present invention is further described below in conjunction with the drawings and specific embodiments.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the radon-absorption active carbon regenerating unit desorbed based on microwave heating；
Attached drawing 2 is the microwave oven and active-carbon bed scheme of installation after removing microwave heating furnace door；
Attached drawing 3 is the portions the I enlarged drawing in attached drawing 2；
Attached drawing 4 is the portions the II enlarged drawing in attached drawing 2；
Attached drawing 5 is active-carbon bed structural schematic diagram；
Attached drawing 6 is the A-A sectional views of attached drawing 5；
Attached drawing 7 is the structural schematic diagram of air inlet pipe；
Attached drawing 8 is the structural schematic diagram of escape pipe.
Specific implementation mode
Embodiment one, the radon-absorption active carbon regenerating unit based on microwave heating desorption, including microwave oven 1, activated carbon
Bed 2, emanometer 4, is detained charcoal bed 5, thermometer 6, microwave inhibition pipe 7, air inlet pipe 8, escape pipe 9, three-way magnetic valve at constant flow pump 3
10, air inlet pipe fitting 11, outlet pipe fitting 12, thermocouple 13,14 first ready-packaged joint 16 of activated carbon fibre piece, the second fast attaching
First 17 and connector sleeve 18.
Air inlet pipe mounting hole 1-1 and escape pipe mounting hole 1-2 is respectively equipped on the furnace wall of 1 both sides of microwave oven.
Active-carbon bed 2 include cylindrical tube 2-1 and end cap 2-2.
The bottom of cylindrical tube 2-1 is equipped with outlet pipe fitting mounting hole 2-1-1, and outlet pipe fitting 12 is mounted on escape pipe
In connector mounting hole 2-1-1, [2] are equipped with the second ready-packaged joint 17 on outlet pipe fitting 12.
End cap 2-2 is equipped with thermocouple mounting hole 2-2-1 and air inlet pipe fitting mounting hole 2-2-2, [3], on air inlet pipe fitting 11
Second ready-packaged joint 17 is installed.
It is filled with activated carbon 15 in the cylinder of cylindrical tube 2-1, and cylindrical tube 2-1 is encapsulated in by end cap 2-2
Cylinder in, [4], two pieces of activated carbon fibre pieces 14 are separately mounted to the bottom end of cylindrical tube 2-1 and the inner end of end cap 2-2
Face, thermocouple 13 passes through the thermocouple mounting hole 2-2-1 on end cap 2-2 to be inserted into cylindrical tube 2-1, for measuring activity
The temperature of charcoal 15, thermocouple 13 are fixed in by first binding agent seal in thermocouple mounting hole 2-2-1.
[5]
One end of air inlet pipe 8 passes through the air inlet pipe mounting hole 1-1 on 1 furnace wall of microwave oven to be inserted into the interior of microwave oven 1
Chamber, [6] first ready-packaged joints 16 are mounted on the external screw thread 8-1-1 of air inlet pipe 8, and connector sleeve 18 is sleeved on the first ready-packaged joint
On 16.
Microwave is set in the air inlet pipe 8 being exposed to outside microwave oven 1 inhibits pipe 7, microwave to inhibit pipe 7 solid by screw
It is scheduled on the outer wall of microwave oven 1.
Escape pipe 9 includes outlet straight tube 9-1, and [7] its other end is equipped with external screw thread 9-1-1.
One end of escape pipe 9 passes through the escape pipe mounting hole 1-2 on 1 furnace wall of microwave oven to be inserted into microwave oven 1
Inner cavity, between escape pipe 9 and tracheae mounting hole 1-2 by [8] seal it is affixed, the first ready-packaged joint 16 be mounted on escape pipe 9
External screw thread 9-1-1 on, connector sleeve 18 is sleeved on the first ready-packaged joint 16.
Microwave is set on the escape pipe 9 being exposed to outside microwave oven 1 inhibits pipe 7, microwave to inhibit pipe 7 solid by screw
It is scheduled on the outer wall of microwave oven 1.
Active-carbon bed 2 are mounted on the inner cavity of microwave oven 1, and the first ready-packaged joint 16 in air inlet pipe 8 passes through connector sleeve
18 connect with the second ready-packaged joint 17 on air inlet pipe fitting 11, are equipped between the first ready-packaged joint 16 and the second ready-packaged joint 17
Gasket 19, the first ready-packaged joint 15 on escape pipe 9 pass through connector sleeve 18 and the second ready-packaged joint on outlet pipe fitting 12
17 connections, are equipped with gasket 19 between the first ready-packaged joint 16 and the second ready-packaged joint 17.
[9] on thermocouple 13 pass through microwave oven 1 and microwave that pipe 7 is inhibited to be connect with thermometer 6, and escape pipe 9 passes through
Pipeline is connect with the inlet end of constant flow pump 3, and the outlet side of constant flow pump 3 is connect by pipeline with the inlet end of three-way magnetic valve 10,
First outlet side of three-way magnetic valve 10 is communicated with room air, the second outlet side and the delay charcoal bed 5 of three-way magnetic valve 10
Inlet end connects, and emanometer 4 is mounted on the pipeline between 10 inlet end of 3 outlet side of constant flow pump and three-way magnetic valve.
Embodiment two, using the radon-absorption active carbon regenerating unit as described in embodiment one to radon-absorption active carbon desorption and regeneration
Method desorbs radon-absorption active carbon using microwave heating, and specific operation process is as follows：
A, when the radon-absorption active carbon regenerating unit desorbed based on microwave heating adsorbs Indoor Niton, the first of three-way magnetic valve 10 goes out
Gas end is in open state, and the second outlet side of three-way magnetic valve 10 is closed, and opens constant flow pump 3, and interior is empty containing radon
Gas is discharged to interior by the first outlet side of three-way magnetic valve 10 again after the activated carbon 15 in active-carbon bed 2 adsorbs.
B, when the reading of emanometer 4 is indoor radon concentration, 15 adsorption saturation of activated carbon in active-carbon bed 2, to activity
Charcoal 15 is desorbed.
When C, desorbing, the first outlet side of three-way magnetic valve 10 is closed, the second outlet side of three-way magnetic valve 10 is opened, opens
It opens microwave oven 1 to heat the activated carbon 15 in active-carbon bed 2, microwave heating power is 800W, and thermocouple 13 measures activity
The temperature of charcoal 15, by microwave heating power adjustment to 180W, maintains activated carbon 15 after the temperature of activated carbon 15 reaches 150 DEG C
Temperature, the radon desorbed is pumped by constant flow pump 3 is detained charcoal bed 5.
D, emanometer 4 is used for measuring radon contents in desorption process, when the reading of emanometer 4 is close to room air radon consistence
When, desorption process terminates, to realize the regeneration of activated carbon 15.
Embodiment three, using the radon-absorption active carbon regenerating unit as described in embodiment one to radon-absorption active carbon desorption and regeneration
Method desorbs radon-absorption active carbon using microwave heating, and specific operation process is as follows：
A, when the radon-absorption active carbon regenerating unit desorbed based on microwave heating adsorbs Indoor Niton, the first of three-way magnetic valve 10 goes out
Gas end is in open state, and the second outlet side of three-way magnetic valve 10 is closed, and opens constant flow pump 3, and interior is empty containing radon
Gas is discharged to interior by the first outlet side of three-way magnetic valve 10 again after the activated carbon 15 in active-carbon bed 2 adsorbs.
B, when the reading of emanometer 4 is indoor radon concentration, 15 adsorption saturation of activated carbon in active-carbon bed 2, to activity
Charcoal 15 is desorbed.
When C, desorbing, the first outlet side of three-way magnetic valve 10 is closed, the second outlet side of three-way magnetic valve 10 is opened, opens
It opens microwave oven 1 to heat the activated carbon 15 in active-carbon bed 2, microwave heating power is 900W, and thermocouple 13 measures activity
The temperature of charcoal 15, by microwave heating power adjustment to 200W, maintains activated carbon 15 after the temperature of activated carbon 15 reaches 200 DEG C
Temperature, the radon desorbed is pumped by constant flow pump 3 is detained charcoal bed 5.
D, emanometer 4 is used for measuring radon contents in desorption process, when the reading of emanometer 4 is close to room air radon consistence
When, desorption process terminates, to realize the regeneration of activated carbon 15.
Example IV, using the radon-absorption active carbon regenerating unit as described in embodiment one to radon-absorption active carbon desorption and regeneration
Method desorbs radon-absorption active carbon using microwave heating, and specific operation process is as follows：
A, when the radon-absorption active carbon regenerating unit desorbed based on microwave heating adsorbs Indoor Niton, the first of three-way magnetic valve 10 goes out
Gas end is in open state, and the second outlet side of three-way magnetic valve 10 is closed, and opens constant flow pump 3, and interior is empty containing radon
Gas is discharged to interior by the first outlet side of three-way magnetic valve 10 again after the activated carbon 15 in active-carbon bed 2 adsorbs.
B, when the reading of emanometer 4 is indoor radon concentration, 15 adsorption saturation of activated carbon in active-carbon bed 2, to activity
Charcoal 15 is desorbed.
When C, desorbing, the first outlet side of three-way magnetic valve 10 is closed, the second outlet side of three-way magnetic valve 10 is opened, opens
It opens microwave oven 1 to heat the activated carbon 15 in active-carbon bed 2, microwave heating power is 1000W, and thermocouple 13 measures activity
The temperature of charcoal 15, by microwave heating power adjustment to 220W, maintains activated carbon 15 after the temperature of activated carbon 15 reaches 250 DEG C
Temperature, the radon desorbed is pumped by constant flow pump 3 is detained charcoal bed 5.
D, emanometer 4 is used for measuring radon contents in desorption process, when the reading of emanometer 4 is close to room air radon consistence
When, desorption process terminates, to realize the regeneration of activated carbon 15.
Claims (2)
1. based on the radon-absorption active carbon regenerating unit of microwave heating desorption, it is characterized in that：Including microwave oven, it is active-carbon bed,
Constant flow pump, emanometer, be detained charcoal bed, thermometer, microwave inhibit pipe, air inlet pipe, escape pipe, three-way magnetic valve, air inlet pipe fitting,
Outlet pipe fitting, thermocouple, activated carbon fibre piece, the first ready-packaged joint, the second ready-packaged joint and connector sleeve；
Air inlet pipe mounting hole and escape pipe mounting hole are respectively equipped on the furnace wall of microwave oven both sides；
Active-carbon bed includes cylindrical tube and end cap；
The bottom of cylindrical tube is equipped with outlet pipe fitting mounting hole, and outlet pipe fitting is mounted in outlet pipe fitting mounting hole,
And it is affixed by binder and the sealing of outlet pipe fitting mounting hole, the second ready-packaged joint is installed on outlet pipe fitting；
End cap is equipped with thermocouple mounting hole and air inlet pipe fitting mounting hole, and air inlet pipe fitting is mounted on air inlet pipe fitting mounting hole
It is interior and affixed by binder and the sealing of air inlet pipe fitting mounting hole, the second ready-packaged joint is installed on air inlet pipe fitting；
It is filled with activated carbon in the cylinder of cylindrical tube, and is encapsulated in the cylinder of cylindrical tube by end cap, end cap is logical
The open end sealing for crossing binder and cylindrical tube is affixed, and two pieces of activated carbon fibre pieces are separately mounted to the bottom of cylindrical tube
The inner face of end and end cap, the thermocouple mounting hole that thermocouple through end covers is inserted into cylindrical tube body, for measuring work
The temperature of property charcoal, thermocouple are fixed in by first binding agent seal in thermocouple mounting hole；
Air inlet pipe includes air inlet straight tube, and one end of air inlet straight tube is equipped with air inlet end connector, and inlet end connector end face is equipped with filtering
Net, filter screen are pressed on by air inlet end cap on the end face of air inlet end connector, and the other end of air inlet straight tube is equipped with external screw thread；
Air inlet pipe mounting hole of the one end of air inlet pipe on microwave oven furnace wall is inserted into the inner cavity of microwave oven, air inlet
Affixed by first binding agent seal between pipe and air inlet pipe mounting hole, the first ready-packaged joint is mounted on the external screw thread of air inlet pipe, even
Female connector is sleeved on the first ready-packaged joint；
It is exposed in the air inlet pipe outside microwave oven and is set with microwave inhibition pipe, microwave inhibits pipe to be fixed by screws in microwave
On the outer wall of heating furnace；
Escape pipe includes outlet straight tube, and one end of outlet straight tube is equipped with connecting flange, and the other end is equipped with external screw thread；
Escape pipe mounting hole of the one end of escape pipe on microwave oven furnace wall is inserted into the inner cavity of microwave oven, outlet
Affixed by first binding agent seal between pipe and tracheae mounting hole, the first ready-packaged joint is mounted on the external screw thread of escape pipe, connection
It is sleeved on the first ready-packaged joint；
It is exposed on the escape pipe outside microwave oven and is set with microwave inhibition pipe, microwave inhibits pipe to be fixed by screws in microwave
On the outer wall of heating furnace；
Active-carbon bed the first ready-packaged joint on the inner cavity of microwave oven, air inlet pipe is connect by connector sleeve and air inlet pipe
The second ready-packaged joint connection on head, is equipped with gasket between the first ready-packaged joint and the second ready-packaged joint, and the on escape pipe
One ready-packaged joint is connect by connector sleeve with the second ready-packaged joint on outlet pipe fitting, the first ready-packaged joint and the second fast attaching
Gasket is equipped between head；
[1] on thermocouple passes through microwave oven and microwave that pipe is inhibited to be connect with thermometer, and escape pipe passes through pipeline and constant current
The inlet end of pump connects, and the outlet side of constant flow pump is connected by the inlet end of pipeline and three-way magnetic valve, and the of three-way magnetic valve
One outlet side is communicated with room air, and the second outlet side of three-way magnetic valve is connect with the inlet end for being detained charcoal bed, emanometer peace
On pipeline between constant flow pump outlet side and three-way magnetic valve inlet end.
2. special using radon-absorption active carbon regenerating unit as described in claim 1 to the method for radon-absorption active carbon desorption and regeneration
Sign is：Radon-absorption active carbon is desorbed using microwave heating, specific operation process is as follows：
A, when the radon-absorption active carbon regenerating unit desorbed based on microwave heating adsorbs Indoor Niton, the first outlet of three-way magnetic valve
End is in open state, and the second outlet side of three-way magnetic valve is closed, and opens constant flow pump, indoor air containing radon is through work
Interior is discharged to by the first outlet side of three-way magnetic valve again after activated carbon adsorption in property charcoal bed；
B, when the reading of emanometer is indoor radon concentration, active-carbon bed interior activated carbon adsorption saturation solves activated carbon
It inhales；
When C, desorbing, the first outlet side of three-way magnetic valve is closed, opens the second outlet side of three-way magnetic valve, microwave is opened and adds
Hot stove heats active-carbon bed interior activated carbon, and microwave heating power is 800W~1000W, the temperature of thermocouple measurement activated carbon
Degree, by microwave heating power adjustment to 180W~220W, maintains activated carbon temperature after the temperature of activated carbon reaches 150~250 DEG C
Degree, the radon desorbed is pumped by constant flow pump is detained charcoal bed；
D, emanometer is used for measuring the radon contents in desorption process, when the reading of emanometer is close to room air radon consistence, solution
It is drawn through journey to terminate, to realize the regeneration of activated carbon.
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| CN201061729Y (en) * | 2007-05-15 | 2008-05-21 | 李炳楠 | Device capable of recovering volatile substance |
| CN101450305A (en) * | 2008-12-10 | 2009-06-10 | 南华大学 | Direct-energization heating desorption regeneration device and method of radon-absorption active carbon |
| 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 |
| CN203425680U (en) * | 2013-07-25 | 2014-02-12 | 昆明理工大学 | Device for recycling alcohol from waste gases through activated carbon adsorption and microwave desorption |
| CN209076693U (en) * | 2018-08-15 | 2019-07-09 | 南华大学 | Radon-absorption active carbon regenerating unit based on microwave heating desorption |
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