CN113877554A - Activated carbon regeneration device based on microwave heating - Google Patents
Activated carbon regeneration device based on microwave heating Download PDFInfo
- Publication number
- CN113877554A CN113877554A CN202111287259.5A CN202111287259A CN113877554A CN 113877554 A CN113877554 A CN 113877554A CN 202111287259 A CN202111287259 A CN 202111287259A CN 113877554 A CN113877554 A CN 113877554A
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- microwave
- cylinder body
- stirring
- microwave heating
- 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
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 238000011069 regeneration method Methods 0.000 title claims abstract description 53
- 230000008929 regeneration Effects 0.000 title claims abstract description 44
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 64
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 13
- 230000020169 heat generation Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 230000002238 attenuated effect Effects 0.000 abstract 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 17
- 239000011630 iodine Substances 0.000 description 17
- 229910052740 iodine Inorganic materials 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000010410 layer Substances 0.000 description 12
- 238000001035 drying Methods 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B01J20/3441—Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves
-
- 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
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses an active carbon regeneration device based on microwave heating, which comprises a cylinder and a microwave generator positioned above the cylinder; a stirring mechanism is arranged in the cylinder body; the stirring mechanism also comprises a power mechanism for driving the stirring mechanism to rotate. The device provided by the invention regenerates the activated carbon by adopting microwave heat generation, the microwave heating has the characteristic of selective heating, and the problems that the heating conduction direction is not selective, the heat is dispersed to cause low heat utilization efficiency, broken carbon is generated to block activated carbon pore channels and the regeneration effect is poor in the traditional heating regeneration mode are effectively solved; in addition, the stirring paddle in the device can completely disperse the microwaves, the situation that the regeneration effect of the ineffective active carbon is poor and even the active carbon is hardened in a static state due to the fact that the microwaves are attenuated along with the extension of the distance can be avoided, meanwhile, the stirring paddle can further diffuse the microwaves, and the energy utilization rate and the regeneration efficiency and the regeneration effect of the active carbon are improved.
Description
Technical Field
The invention relates to an active carbon regeneration device based on microwave heating.
Background
The active carbon is a good adsorbent, and the granular active carbon shows good adsorption effect on organic matters in water by utilizing the abundant pore structure and the huge specific surface area, and can also effectively remove substances causing odor and chromaticity in the water body, thereby improving the water quality and taste. After the activated carbon is used for a period of time, pores are gradually blocked, and the adsorption reaches saturation, so that the adsorption effect is lost, the activated carbon becomes solid waste, and professional treatment is needed. In order to improve the resource recycling rate, reduce the operation cost and improve the environmental protection requirement, the regeneration of the activated carbon has important significance.
The regeneration of the activated carbon is carried out on the premise of not damaging the property and the structure of the activated carbon, and pollutants adsorbed by the activated carbon are removed by a series of means such as a biological method, a physical method, a chemical method and the like, so that the adsorption capacity of the activated carbon is recovered. The traditional activated carbon regeneration method comprises a heating regeneration method, a chemical agent regeneration method, a biological regeneration method and an electrochemical regeneration method, and the existing activated carbon regeneration method has the problems of secondary pollution, high regeneration energy consumption cost and the like.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides an active carbon regeneration device based on microwave heating, aiming at the problems of the existing active carbon regeneration method.
The technical scheme is as follows: the invention relates to an active carbon regeneration device based on microwave heating, which comprises a cylinder body and a microwave generator positioned above the cylinder body; a stirring mechanism is arranged in the cylinder body; the stirring mechanism also comprises a power mechanism for driving the stirring mechanism to rotate.
The microwave generator comprises a microwave controller, a transformer, a diode, a capacitor, a magnetron and a waveguide tube which are connected in sequence. Compared with a conventional microwave generator, the power controllable range of the microwave generator is 500-600W, accurate positioning of activated carbon regeneration power is guaranteed, the microwave controller is sequentially connected with a transformer, a diode and a capacitor, household current (220v) is converted into high-voltage current, a magnetron is connected above the microwave controller, the magnetron is driven by the high-voltage current to generate microwaves, and the generated microwaves are transmitted into a cylinder body through a waveguide tube. The outlet of the microwave generator is provided with a rotating blade which diffuses the microwave generated by the microwave generator into the whole cylinder.
The side wall of the upper part of the cylinder body is provided with a feeding hole, and the side wall of the lower part of the cylinder body is provided with a discharging hole.
The stirring mechanism comprises a rotating shaft and a stirring paddle fixedly connected with the rotating shaft; the stirring paddle comprises a main stirring paddle and a U-shaped vertical blade fixedly connected with the main stirring paddle; a cross beam is arranged in the stirring paddle, and two end parts of the cross beam are fixedly connected with the U-shaped vertical blade through bolts respectively; the stirring main slurry and the stirring auxiliary slurry (vertical blade) are both fixedly connected with the beam. The stirring paddle is provided with the vertical blades and the cross beam, so that the stirring range of the stirring paddle on materials is expanded, and the rigidity of the stirring paddle is improved.
The power mechanism comprises a motor and a rotating shaft fixedly connected with the driving end of the motor, and the lower end part of the rotating shaft extends out of the cylinder body and is in transmission connection with the rotating shaft through a transmission crawler; the contact part of the lower end part of the rotating shaft and the cylinder body is fixedly connected through a bearing. Power unit sets up on barrel outside supporting platform, and the motor outside is equipped with can dismantle the metal support, is convenient for dismantle the maintenance to motor and drive track.
Wherein, the bottom of the cylinder body is provided with a bracket with universal pulleys. The lower end of the support is provided with the detachable universal metal pulley, so that the barrel can be moved in a small range, and the application range of the device is enlarged.
The distance between the top point of the stirring paddle and the bottom plate of the cylinder body is consistent with the distance between the lower end edge of the feeding hole and the bottom plate of the cylinder body, namely the height of the stirring paddle is equal to the height of the lower end of the feeding hole, and the radius of the stirring paddle is 3/4 of the inner diameter of the cylinder body.
Wherein, discharge gate department is equipped with material conveying board, and the contained angle of material conveying board and horizontal plane is 0 ~ 30.
The principle of regenerating the activated carbon by microwave heating is as follows: in the microwave heating technology, an alternating electromagnetic field is applied, polar molecules in the material are polarized and are alternatively oriented along with the change of the polarity of the alternating electromagnetic field, and the polar molecules convert electromagnetic energy into heat energy due to frequent mutual friction loss; the active carbon and the organic matter have excellent microwave absorption performance, and the impurities adsorbed by the active carbon can be desorbed at high temperature and the adsorption performance of the impurities can be recovered.
Has the advantages that: compared with the prior art, the invention has the following remarkable effects: (1) the barrel and the stirring mechanism in the device are both made of metal stainless steel materials, the reflection coefficient of the metal materials to microwaves is close to 1, the microwaves are continuously reflected to reduce the transmission of microwave energy, and the use efficiency of the microwaves is improved; (2) the device provided by the invention regenerates the activated carbon by adopting microwave heat generation, the microwave heating has the characteristic of directional selective heating, and the problems that the traditional thermal regeneration mode has no selectivity in the heating conduction direction, the heat is dispersed to cause low heat utilization efficiency, the temperature is too high, broken carbon is easy to generate to block the pore channel of the activated carbon, and the regeneration effect is poor are effectively solved; (3) the stirring paddle in the device can completely disperse the microwaves, the situation that the regeneration effect of invalid activated carbon is deteriorated due to the fact that the energy attenuation is prolonged along with the distance of the microwaves, and even the activated carbon is hardened in a static state can be avoided, meanwhile, the stirring paddle can further diffuse the microwaves, and the energy utilization rate and the regeneration efficiency and the regeneration effect of the activated carbon are improved.
Drawings
FIG. 1 is a schematic structural view of an activated carbon regeneration apparatus according to the present invention;
FIG. 2 is an enlarged view of a portion of the microwave generator;
fig. 3 is a partially enlarged view of the stirring mechanism.
Detailed Description
As shown in fig. 1 to 3, the activated carbon regeneration device based on microwave heating of the present invention includes a cylinder 2 and a microwave generator 3 located above the cylinder 2; a stirring mechanism is arranged in the cylinder body 2; the regeneration device also comprises a power mechanism for driving the stirring mechanism to rotate, the power mechanism is arranged on a supporting platform 4 on the outer side of the cylinder body 2, and the supporting platform 4 is fixedly connected with the cylinder body 2.
The microwave generator 3 is positioned in the cavity 12 above the cylinder 2, and the microwave generator 3 comprises a microwave controller 24, a transformer 17, a diode 16, a capacitor 15, a magnetron 14 and a waveguide 13 which are connected in sequence; at the outlet of the microwave generator 3, a rotating blade 11 is provided. The rotary blade 11 diffuses the microwaves generated by the microwave generator 3 throughout the entire drum 2.
The side wall of the upper part of the cylinder body 2 is provided with a feeding hole 1, and the side wall of the lower part of the cylinder body 2 is provided with a discharging hole 9. Feed inlet 1 and discharge gate 9 all are equipped with closed apron or adopt the sliding plate to slide to open and close, and discharge gate 9 department is equipped with material conveying board 8, and the contained angle of material conveying board 8 and horizontal plane is 0 ~ 30. The bottom of the cylinder body 2 is provided with a support 28 with universal pulleys 22, the lower end of the support 28 is provided with detachable universal metal pulleys 22, the cylinder body 2 can be moved in a small range, and the use flexibility of the device is improved.
The stirring mechanism comprises a rotating shaft 23 and a stirring paddle fixedly connected with the rotating shaft 23; the stirring paddle 20 comprises a main stirring paddle 20 and a U-shaped vertical blade 21 fixedly connected with the main stirring paddle 20; a cross beam 18 is arranged in the stirring paddle, and two end parts of the cross beam 18 are respectively fixedly connected with a U-shaped vertical blade 21 through bolts 19; the stirring main paddle 20 and the stirring auxiliary paddle (vertical blade) 21 are both fixedly connected with the beam 18. The distance between the top point of the stirring paddle 20 and the bottom plate of the cylinder body 2 is consistent with the distance between the lower end edge of the feed inlet 1 and the bottom plate of the cylinder body 2, and the diameter of the stirring paddle (the length of the cross beam 18) is 3/4 of the inner diameter of the cylinder body 2. Upright leaf 21 can improve the stirring efficiency of stirring rake, can guarantee that bottom and inside active carbon are in the motion state in the thermal regeneration process, the active carbon is heated more evenly, also avoid upper portion and outside active carbon high temperature and adhesion and harden, cause conflagration scheduling problem even, the pollution gas that produces can be guaranteed to the stirring that does not stop simultaneously in time circulates, avoid the pollutant to decompose into gaseous state after long-time stay inside the active carbon micropore, influence active carbon regeneration efficiency, the crossbeam can improve the rigidity of stirring rake, avoid the high-speed stirring in-process of stirring rake to take place to warp.
The power mechanism comprises a motor 5 and a rotating shaft 7 fixedly connected with the driving end of the motor 5, and the lower end part of the rotating shaft 23 extends out of the cylinder 2 and is in transmission connection with the rotating shaft 7 through a transmission crawler 6; the contact part of the lower end part of the rotating shaft 23 and the cylinder 2 is fixedly connected through a bearing. Power unit sets up on 2 outside supporting platform 4 of barrel, and the motor 5 outside is equipped with can dismantle metal support, is convenient for dismantle the maintenance to motor 5 and drive track 6.
The specific process of regenerating the active carbon by adopting the device of the invention comprises the following steps: the device is moved to a designated position and then fixed, the feed port 1 is opened through a sliding groove, the invalid activated carbon is put in, in order to ensure the maximum regeneration efficiency of the invalid activated carbon, the filling height of the activated carbon is higher than 1/2 of the height of the cylinder body and lower than 2/3 of the height of the cylinder body, and the feed port 1 is closed; starting a power mechanism to drive the stirring paddle to rotate for 2min, and scattering the mutually bonded carbon particles; starting a power mechanism, selecting the microwave generating power and the microwave generating time of the microwave controller 24 through panel control or remote control according to the quality of the invalid activated carbon (when the iodine value of the activated carbon is less than or equal to 150mg/g, the power is 500W, the microwave generating time is 10min, when the iodine value of the activated carbon is more than 150mg/g, the power is 400W, and the microwave generating time is 8min), starting a microwave generator, and starting the rotating blade 11 to work; when the operation lasts for 10min, the microwave generator is turned off, the stirring paddle continues to rotate for 2min, the temperature in the cylinder body 2 is reduced, and the power mechanism is turned off; the discharge hole 9 is opened through the sliding groove, the material conveying plate 8 is hinged with the cylinder 2, and two sides of the material conveying plate 8 are fixed on the cylinder 2 through iron chains 26; adjust 8 angles of material delivery board, carry the angle and highly confirm according to material collection container, when the discharge gate was opened, the principle was for when the discharge gate was opened, the material can slowly fall into material collection container for hectare, avoids taking place the phenomenon that the material gushed out in a large number, accomplishes the collection of regeneration active carbon.
Example 1
The invention adopts the microwave heating regeneration active carbon of the stirring device:
(1) the preparation stage comprises the steps of soaking waste activated carbon (iodine value is 78.9mg/g, pore volume is 0.24cm/g) for advanced treatment in a certain water plant in Jiangsu province in clear water, repeatedly stirring and cleaning until water is clear, filtering the washed activated carbon, naturally drying until the water content of the activated carbon is about 40%, and drying the dried activated carbon in a blast drying box at 70 ℃ until the water content of the activated carbon is about 5%.
(2) In the regeneration stage, dried ineffective active carbon is put into the cylinder, in order to ensure the maximum regeneration efficiency of the ineffective active carbon, the filling height of the active carbon is slightly higher than 1/2 m, which is about 1.3m, and the feed inlet is closed; starting a power mechanism, controlling the microwave generating power of 500W and the microwave generating time of the selected microwave controller for 10min through a panel according to the iodine value of the activated carbon, and starting a microwave generator; when the device runs for 10min, the microwave generator is turned off, the stirring paddle continues to rotate for 2min, the temperature in the cylinder is reduced, the power mechanism is turned off, the discharge port is opened through the sliding groove, the material conveying plate is slightly inclined by about 10 degrees by matching with the nylon woven bag height adjustment, the regenerated activated carbon is shoveled by an iron shovel to help the activated carbon fall to the woven bag, and the collection of the regenerated activated carbon is completed.
(3) And in the evaluation stage, the performance of the activated carbon with different heights is tested, wherein the iodine value of the activated carbon at the lowest layer is 811.5mg/g, the pore volume is 0.59cm/g, the iodine value of the activated carbon at the middle layer is 831.7mg/g, the pore volume is 0.61mg/g, the iodine value of the activated carbon at the upper layer is 846.3mg/g, and the pore volume is 0.61 mg/g.
Comparative example 1
Regenerating the activated carbon by microwave heating without using a stirring device:
(1) the preparation stage comprises the steps of selecting the same batch of ineffective activated carbon (iodine value is 78.9mg/g, pore volume is 0.24cm/g) in example 1, soaking the ineffective activated carbon in clear water, repeatedly stirring and cleaning until water is clear, filtering and naturally drying the washed activated carbon until the water content of the activated carbon is about 40%, and drying the dried activated carbon in a blast drying box at 70 ℃ until the water content of the activated carbon is about 5%.
(2) In the regeneration stage, dried ineffective active carbon is put into the cylinder, in order to ensure the maximum regeneration efficiency of the ineffective active carbon, the filling height of the active carbon is slightly higher than 1/2 m, which is about 1.3m, and the feed inlet is closed; according to the iodine value of the activated carbon, the microwave generating power of the selected microwave controller is controlled to be 500W and the microwave generating time is controlled to be 10min through a panel, and a microwave generator is started; and (3) closing the microwave generator after running for 10min, opening the discharge hole through the sliding groove, slightly inclining the material conveying plate by about 10 degrees by matching with the height adjustment of the nylon woven bag, shoveling the regenerated activated carbon by using an iron shovel to help the activated carbon fall to the woven bag, and finishing the collection of the regenerated activated carbon.
(3) In the evaluation stage, the performance test of the activated carbon with different heights is carried out, wherein the iodine value of the activated carbon at the lowest layer is 504.8mg/g, the pore volume is 0.37cm/g, the iodine value of the activated carbon at the middle layer is 801.5mg/g, the pore volume is 0.51mg/g, the iodine value of the activated carbon at the upper layer is 722.6mg/g, the pore volume is 0.49mg/g, the overburning of the activated carbon at the surface layer is serious, the pore structure is damaged, the adsorption quantity of the iodine value is reduced, and the volatilization effect of substances adsorbed by the activated carbon at the bottom layer is poor due to the thickness of the filter material, so the regeneration effect of the activated carbon is poor.
Comparative example 2
The active carbon is regenerated by adopting the existing thermal regeneration method:
(1) the preparation stage comprises the steps of selecting the same batch of ineffective activated carbon (iodine value is 78.9mg/g, pore volume is 0.24cm/g) in example 1, soaking the ineffective activated carbon in clear water, repeatedly stirring and cleaning until water is clear, filtering and naturally drying the washed activated carbon until the water content of the activated carbon is about 40%, and drying the dried activated carbon in a blast drying box at 70 ℃ until the water content of the activated carbon is about 5%.
(2) And a regeneration stage, namely placing the dried activated carbon in a regeneration heating furnace, adjusting the temperature of the heating furnace to 300-400 ℃, entering a carbonization stage, keeping the temperature for 4-6 min, heating to 800 ℃, keeping the temperature for 5min, and collecting the regenerated activated carbon by using woven bags in a layered manner after the temperature is reduced to room temperature.
(3) In the evaluation stage, the adhesion and hardening phenomena of the activated carbon close to the furnace wall occur, the activated carbon can not be regenerated, the problem of activated carbon loss caused by a thermal regeneration method occurs, the iodine value and the pore volume of the activated carbon are not tested, the iodine value of the activated carbon in the middle layer is 761.3mg/g, the pore volume is 0.45cm/g, the iodine value of the activated carbon in the inner layer is 703.1mg/g, and the pore volume is 0.42cm/g, and the reason that the regeneration effect of the activated carbon in the middle layer is good is presumed to be that the middle layer is fully heated, pollutants are completely decomposed, and the activated carbon in the inner layer is unevenly heated, so the regeneration effect is poor.
Claims (8)
1. The utility model provides an active carbon regenerating unit based on microwave heating which characterized in that: comprises a cylinder body (2) and a microwave generator (3) positioned above the cylinder body (2); a stirring mechanism is arranged in the cylinder body (2); the stirring mechanism also comprises a power mechanism for driving the stirring mechanism to rotate.
2. The microwave heating-based activated carbon regeneration device according to claim 1, wherein: the microwave generator (3) is positioned in the cavity (12) above the cylinder (2), and the microwave generator (3) comprises a microwave controller (24), a transformer (17), a diode (16), a capacitor (15), a magnetron (14) and a waveguide tube (13) which are connected in sequence; a rotating blade (11) is arranged at the outlet of the microwave generator (3).
3. The microwave heating-based activated carbon regeneration device according to claim 1, wherein: the feeding device is characterized in that a feeding hole (1) is formed in the side wall of the upper portion of the barrel body (1), and a discharging hole (9) is formed in the side wall of the lower portion of the barrel body (2).
4. The microwave heating-based activated carbon regeneration device according to claim 3, wherein: discharge gate (9) department is equipped with material conveying board (8), and the contained angle of material conveying board (8) and horizontal plane is 0 ~ 30.
5. The microwave heating-based activated carbon regeneration device according to claim 1, wherein: the stirring mechanism comprises a rotating shaft (23) and a stirring paddle fixedly connected with the rotating shaft (23); the stirring paddle comprises a main stirring paddle (20) and a U-shaped vertical blade (21) fixedly connected with the main stirring paddle (20); a cross beam (18) is arranged in the stirring paddle, and two end parts of the cross beam (18) are respectively fixedly connected with a U-shaped vertical blade (21) through bolts (19); the stirring main slurry (20) and the vertical blades (21) are fixedly connected with the cross beam (18).
6. The microwave heating-based activated carbon regeneration device according to claim 5, wherein: the distance between the top point of the stirring paddle and the bottom plate of the cylinder body (2) is consistent with the distance between the lower end edge of the feeding hole (1) and the bottom plate of the cylinder body (2), and the radius of the stirring paddle is 3/4 of the inner diameter of the cylinder body (2).
7. The microwave heating-based activated carbon regeneration device according to claim 1, wherein: the power mechanism comprises a motor (5) and a rotating shaft (7) fixedly connected with the driving end of the motor (5), and the lower end part of the rotating shaft (23) extends out of the barrel body (2) and is in transmission connection with the rotating shaft (7) through a transmission crawler (6); the contact part of the lower end part of the rotating shaft (23) and the cylinder body (2) is fixedly connected through a bearing.
8. The microwave heating-based activated carbon regeneration device according to claim 1, wherein: the bottom of the cylinder body (2) is provided with a support (28) with a universal pulley (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111287259.5A CN113877554A (en) | 2021-11-02 | 2021-11-02 | Activated carbon regeneration device based on microwave heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111287259.5A CN113877554A (en) | 2021-11-02 | 2021-11-02 | Activated carbon regeneration device based on microwave heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113877554A true CN113877554A (en) | 2022-01-04 |
Family
ID=79015284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111287259.5A Pending CN113877554A (en) | 2021-11-02 | 2021-11-02 | Activated carbon regeneration device based on microwave heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113877554A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117816139A (en) * | 2024-01-18 | 2024-04-05 | 江苏神鹤科技发展有限公司 | Adsorbent desorption regenerating unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008188490A (en) * | 2007-02-01 | 2008-08-21 | Orion Mach Co Ltd | Adsorbent regeneration apparatus using microwave |
| CN201684613U (en) * | 2010-05-14 | 2010-12-29 | 陈超 | Microwave activated carbon regenerating device |
| CN205627981U (en) * | 2016-05-27 | 2016-10-12 | 宁波大学 | Regenerated active carbon microwave processing stove |
| CN107029689A (en) * | 2017-04-24 | 2017-08-11 | 重庆飞洋活性炭制造有限公司 | A kind of follow-on micro-wave oven regenerated for Powdered Activated Carbon |
| CN208066073U (en) * | 2018-01-13 | 2018-11-09 | 严沁 | A kind of new-energy automobile in-vehicle air filter device |
| CN210079539U (en) * | 2018-03-20 | 2020-02-18 | 铜仁学院 | Microwave treatment device for activated carbon regeneration |
-
2021
- 2021-11-02 CN CN202111287259.5A patent/CN113877554A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008188490A (en) * | 2007-02-01 | 2008-08-21 | Orion Mach Co Ltd | Adsorbent regeneration apparatus using microwave |
| CN201684613U (en) * | 2010-05-14 | 2010-12-29 | 陈超 | Microwave activated carbon regenerating device |
| CN205627981U (en) * | 2016-05-27 | 2016-10-12 | 宁波大学 | Regenerated active carbon microwave processing stove |
| CN107029689A (en) * | 2017-04-24 | 2017-08-11 | 重庆飞洋活性炭制造有限公司 | A kind of follow-on micro-wave oven regenerated for Powdered Activated Carbon |
| CN208066073U (en) * | 2018-01-13 | 2018-11-09 | 严沁 | A kind of new-energy automobile in-vehicle air filter device |
| CN210079539U (en) * | 2018-03-20 | 2020-02-18 | 铜仁学院 | Microwave treatment device for activated carbon regeneration |
Non-Patent Citations (1)
| Title |
|---|
| 程燕 等: "《生命科学实验仪器 设备与使用》", 31 August 2014, 科学技术文献出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117816139A (en) * | 2024-01-18 | 2024-04-05 | 江苏神鹤科技发展有限公司 | Adsorbent desorption regenerating unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206831941U (en) | A kind of solid waste highly effective drying equipment | |
| CN113877554A (en) | Activated carbon regeneration device based on microwave heating | |
| CN207159104U (en) | A kind of aerobic fermentation device of rubbish from cooking | |
| CN117019124A (en) | Honeycomb activated carbon regenerating furnace with thermal cycle structure | |
| CN207745675U (en) | A kind of device for handling paver glance coal | |
| CN209173943U (en) | A kind of active carbon in-place regeneration device | |
| CN212017835U (en) | Regeneration device for waste mercury adsorption material | |
| CN216039190U (en) | Combined complete equipment for resource utilization of microwave high-temperature anaerobic pyrolysis sludge | |
| CN209752822U (en) | Industrial denitration device with high preheating efficiency | |
| CN212121200U (en) | Processing apparatus of volatile organic pollutant in soil | |
| CN221184178U (en) | Integrative soil repair equipment of multilayer | |
| CN220818450U (en) | Industrial oven | |
| CN208728300U (en) | A kind of oil-polluted soils series classification thermal desorption prosthetic device and its system | |
| CN221514433U (en) | Zinc sulfide pyrolysis equipment | |
| CN221571097U (en) | High-temperature melting furnace for waste salt treatment | |
| CN211478310U (en) | Soil detection prosthetic devices | |
| CN220624837U (en) | Industrial electric furnace capable of being heated uniformly | |
| CN220246605U (en) | Asphalt pavement layer milling material regenerating unit | |
| CN216377883U (en) | Drying device for pretreatment of oil-containing sludge in tower | |
| CN212216509U (en) | Dehydration circulation tank for waste mineral oil recovery processing | |
| CN220524539U (en) | Drying device is used in carbide production | |
| CN213256255U (en) | Environment-friendly soil treatment device | |
| CN117588914B (en) | Drying and dedusting equipment with recovery device and drying and dedusting method | |
| CN213514690U (en) | Tile blank drying device with automatic temperature control system | |
| CN221571104U (en) | Oil refining furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220104 |