CN111228959A - Active carbon adsorption and desorption regeneration device for organic waste gas treatment - Google Patents
Active carbon adsorption and desorption regeneration device for organic waste gas treatment Download PDFInfo
- Publication number
- CN111228959A CN111228959A CN201811441304.6A CN201811441304A CN111228959A CN 111228959 A CN111228959 A CN 111228959A CN 201811441304 A CN201811441304 A CN 201811441304A CN 111228959 A CN111228959 A CN 111228959A
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- waste gas
- gas treatment
- activated carbon
- adsorption
- desorption
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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
- B01D53/04—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 with stationary adsorbents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
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- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an activated carbon adsorption and desorption regeneration device for organic waste gas treatment, which comprises a waste gas treatment box, wherein the infrared heating device works to increase the temperature of activated carbon in the waste gas treatment box so as to desorb and volatilize components adsorbed on the activated carbon, and the desorption fan is started so as to separate the volatilized components, send the components into a catalytic combustion device for combustion and decompose the components into CO2And H2One part of the hot air returns to the activated carbon adsorption box to continuously heat the activated carbon, the other part of the hot air is evacuated by the desorption fan, and the activated carbon can be regenerated after the hot air is circulated for multiple times, so that the utilization rate of the activated carbon is improved; this practicality makes gas pass through the route in the combustion chamber through the baffle increase, and can reduce the velocity of flow of gas in the combustion chamber to increase the time of gas in the combustion chamber, and then make gaseous burning more abundant, thorough.
Description
Technical Field
The invention relates to the field of organic waste gas treatment, in particular to an activated carbon adsorption and desorption regeneration device for organic waste gas treatment.
Background
The organic waste gas mainly comprises organic compounds such as hydrocarbon compounds, benzene and benzene series, alcohols, ketones, phenols, aldehydes, esters, amines, nitriles, cyanogen and the like. The organic waste gas active carbon adsorption tower is widely used in places where organic waste gas and peculiar smell are generated by spraying, painting, drying and the like in furniture and wood industry, chemical coatings, metal surface treatment and the like, high-quality adsorption active carbon is adopted as an adsorption medium, and the organic waste gas is filtered and adsorbed through a plurality of adsorption layers, so that the aim of purifying the waste gas is fulfilled.
When the adsorption concentration of active carbon reachs certain value, just can not adsorb again, at this moment the active carbon will lose the function of filtering organic waste gas, at this moment just need start catalytic combustion device and realize desorption and the regeneration function of active carbon, present active carbon desorption and regenerating unit can not stir the active carbon, thereby the heating of active carbon is inhomogeneous, not thorough, the desorption effect that is located the inside active carbon of adsorption bed is not good, thereby influence the desorption quality of active carbon, be unfavorable for the regeneration of active carbon.
Disclosure of Invention
The present invention aims to provide an activated carbon adsorption and desorption regeneration device for organic waste gas treatment, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the activated carbon adsorption and desorption regeneration device for organic waste gas treatment comprises a waste gas treatment box, wherein a mesh enclosure for storing activated carbon and a plurality of infrared heating devices for heating are fixedly connected in the waste gas treatment box, the activated carbon is arranged in the mesh enclosure, and a stirring device for stirring the activated carbon is arranged in the mesh enclosure; the outer surface of the waste gas treatment box is fixedly connected with an air inlet pipe, an adsorption air pipe and a desorption air pipe which are communicated with the interior of the waste gas treatment box, wherein an air outlet of the air inlet pipe and an air suction port of the adsorption air pipe are positioned on two sides of the mesh enclosure; the adsorption air pipe is provided with a one-way exhaust valve, and one end of the adsorption air pipe, which is far away from the waste gas treatment box, is communicated with an air inlet of the adsorption fan; the desorption air pipe is also provided with a one-way exhaust valve, one end of the desorption air pipe, which is far away from the waste gas treatment box, is communicated with an air inlet of the catalytic combustion device, and an air outlet of the catalytic combustion device is communicated with an air inlet of the desorption fan through an exhaust pipe; the stirring device consists of a driving wheel, a belt, a driven wheel, a motor, stirring rods and a stirring shaft, the stirring shaft is transversely arranged and is rotationally connected in the net cover, the stirring shaft is fixedly connected with a plurality of uniformly distributed stirring rods, and one end of the stirring shaft extends to the outside of the waste gas treatment box and is fixedly connected with a rotating center at one side of the driven wheel; the surface of exhaust-gas treatment case passes through motor mount pad fixedly connected with motor, and one side rotation center of the output fixed connection action wheel of motor, and the action wheel passes through the belt and is connected with the transmission of following the driving wheel.
As a further scheme of the invention: a plurality of baffle plates which are arranged in a staggered mode are fixedly connected in a combustion chamber of the catalytic combustion device, and gas can be combusted more fully and thoroughly through the baffle plates.
As a further scheme of the invention: the infrared heating device is an infrared heating pipe.
As a further scheme of the invention: the driving wheel and the driven wheel are provided with clamping grooves matched with the belt.
As a further scheme of the invention: a plurality of infrared heating device encircle and set up on the inner wall of exhaust-gas treatment case.
Compared with the prior art, the invention has the beneficial effects that:
1. this practicality is through infrared heating device work for the temperature of exhaust-gas treatment incasement active carbon risees, makes adsorbed component desorption volatilize out on the active carbon, and through starting desorption fan, makes to break away from the component of volatilizing, sends into catalytic combustion device internal combustion, decomposes into CO2And H2One part of the hot air returns to the activated carbon adsorption box to continuously heat the activated carbon, the other part of the hot air is evacuated by the desorption fan, and the activated carbon can be regenerated after the hot air is circulated for multiple times, so that the utilization rate of the activated carbon is improved;
2. the baffle plate is additionally provided with the path for the gas to pass through the combustion chamber, and the flow velocity of the gas in the combustion chamber can be reduced, so that the time of the gas in the combustion chamber is increased, and the gas is combusted more fully and thoroughly;
3. this practicality can stir the active carbon through agitating unit, makes the heating of active carbon more even, thorough through stirring the active carbon for the volatilization of adsorption component is more thorough in the active carbon, thereby improves the speed and the quality of active carbon desorption, improves the practicality of device.
Drawings
Fig. 1 is a schematic structural diagram of an activated carbon adsorption and desorption regeneration device for organic waste gas treatment.
Fig. 2 is a schematic structural diagram of a combustion chamber in a catalytic combustion device in an activated carbon adsorption and desorption regeneration device for organic waste gas treatment.
In the figure: the device comprises a driving wheel 1, a belt 2, a driven wheel 3, an air inlet pipe 4, a motor 5, a waste gas treatment box 6, a mesh enclosure 7, a stirring rod 8, a stirring shaft 9, a one-way exhaust valve 10, an adsorption air pipe 11, an adsorption fan 12, an infrared heating device 13, a desorption air pipe 14, a catalytic combustion device 15, an exhaust pipe 16, a desorption fan 17 and a partition plate 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in the embodiment of the present invention, an activated carbon adsorption and desorption regeneration device for organic waste gas treatment includes a waste gas treatment tank 6, a mesh enclosure 7 for storing activated carbon and a plurality of infrared heating devices 13 for heating are fixedly connected in the waste gas treatment tank 6, the infrared heating devices 13 are infrared heating pipes, the plurality of infrared heating devices 13 are circumferentially disposed on an inner wall of the waste gas treatment tank 6, so as to facilitate heating of air in the waste gas treatment tank 6, activated carbon is disposed in the mesh enclosure 7, and a stirring device for stirring the activated carbon is disposed in the mesh enclosure 7; the outer surface of the waste gas treatment box 6 is fixedly connected with an air inlet pipe 4, an adsorption air pipe 11 and a desorption air pipe 14 which are communicated with the interior of the waste gas treatment box, wherein an air outlet of the air inlet pipe 4 and an air suction port of the adsorption air pipe 11 are positioned at two sides of the mesh enclosure 7; the adsorption air pipe 11 is provided with a one-way exhaust valve 10, and one end of the adsorption air pipe 11, which is far away from the waste gas treatment box 6, is communicated with an air inlet of an adsorption fan 12; make waste gas enter into exhaust-gas treatment case 6 through intake pipe 4 through the work of adsorption fan 12, and adsorb the back through the active carbon in the screen panel 7 to the harmful substance in the waste gas, rethread adsorption air pipe 11 and adsorption fan 12 discharge to reduce the pollution to the environment.
Referring to fig. 1 and 2, a one-way exhaust valve 10 is also installed on the desorption air duct 14, and one end of the desorption air duct 14, which is far away from the exhaust gas treatment tank 6, is communicated with an air inlet of a catalytic combustion device 15, and an air outlet of the catalytic combustion device 15 is communicated with an air inlet of a desorption fan 17 through an exhaust duct 16, where the catalytic combustion device 15 is a prior art, and is common knowledge of metal workers in the field, and will not be described herein again; when the activated carbon adsorption reaches saturation, the infrared heating device 13 works, so that the temperature of the activated carbon in the waste gas treatment box 6 rises, the adsorbed components on the activated carbon are desorbed and volatilized (the adsorption amount of the substances is reduced along with the rise of the temperature), and the desorbed components are separated and volatilized by starting the desorption fan 17, are fed into the catalytic combustion device 15 to be combusted and are decomposed into CO2And H2Hot-air such as O steam, hot-air part is got back to the active carbon adsorption case and is continued to give the active carbon heating, another part hot-air passes through desorption fan 17 evacuation, hot-air inner loop active carbon many times can obtain the regeneration, the utilization ratio of active carbon is improved, and the baffle 18 of a plurality of staggered arrangement of fixedly connected with in the combustion chamber among the catalytic combustion device 15, make gaseous route through in the combustion chamber through the increase of baffle 18, and can reduce the velocity of flow of gas in the combustion chamber, thereby increase gaseous time in the combustion chamber, and then make the burning of gas more abundant, thoroughly.
Referring to fig. 1, the stirring device is composed of a driving wheel 1, a belt 2, a driven wheel 3, a motor 5, stirring rods 8 and a stirring shaft 9, the mesh enclosure 7 is rotatably connected with the stirring shaft 9 transversely arranged, the stirring shaft 9 is fixedly connected with a plurality of uniformly distributed stirring rods 8, and one end of the stirring shaft 9 extends to the outside of the exhaust gas treatment box 6 and is fixedly connected with a side rotation center of the driven wheel 3; the outer surface of the waste gas treatment box 6 is fixedly connected with a motor 5 through a motor mounting seat, the output end of the motor 5 is fixedly connected with one side rotating center of a driving wheel 1, the driving wheel 1 is in transmission connection with a driven wheel 3 through a belt 2, the driving wheel 1 and the driven wheel 3 are respectively provided with a clamping groove matched with the belt 2, the shaking in the transmission of the belt 2 can be reduced through the clamping grooves, so that the device is more stable in use, the driving wheel 1 is driven to rotate through the work of the motor 5, the driven wheel 3 is driven to rotate under the action of the belt 2, a stirring shaft 9 and a stirring rod 8 are driven to rotate, so that the activated carbon is stirred, when in adsorption, the activated carbon is stirred, so that the utilization rate of the activated carbon is increased, the adsorption effect of the activated carbon is improved, when in desorption, the activated carbon is heated more uniformly and thoroughly through stirring, so that, thereby improving the desorption speed and quality of the active carbon and improving the practicability of the device.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The activated carbon adsorption and desorption regeneration device for organic waste gas treatment comprises a waste gas treatment box (6), and is characterized in that a mesh enclosure (7) for storing activated carbon and a plurality of infrared heating devices (13) for heating are fixedly connected in the waste gas treatment box (6), the activated carbon is arranged in the mesh enclosure (7), and a stirring device for stirring the activated carbon is arranged in the mesh enclosure (7); the outer surface of the waste gas treatment box (6) is fixedly connected with an air inlet pipe (4), an adsorption air pipe (11) and a desorption air pipe (14) which are communicated with the interior of the waste gas treatment box, wherein an air outlet of the air inlet pipe (4) and an air suction port of the adsorption air pipe (11) are positioned on two sides of the mesh enclosure (7); a one-way exhaust valve (10) is mounted on the adsorption air pipe (11), and one end, far away from the waste gas treatment box (6), of the adsorption air pipe (11) is communicated with an air inlet of an adsorption fan (12); the desorption air pipe (14) is also provided with a one-way exhaust valve (10), one end of the desorption air pipe (14), which is far away from the waste gas treatment box (6), is communicated with an air inlet of the catalytic combustion device (15), and an air outlet of the catalytic combustion device (15) is communicated with an air inlet of a desorption fan (17) through an exhaust pipe (16); the stirring device consists of a driving wheel (1), a belt (2), a driven wheel (3), a motor (5), stirring rods (8) and a stirring shaft (9), the stirring shaft (9) is transversely arranged and is rotationally connected in a mesh enclosure (7), the stirring shaft (9) is fixedly connected with a plurality of uniformly distributed stirring rods (8), and one end of the stirring shaft (9) extends to the outside of the waste gas treatment box (6) and is fixedly connected with a side rotation center of the driven wheel (3); the outer surface of the waste gas treatment box (6) is fixedly connected with a motor (5) through a motor mounting seat, the output end of the motor (5) is fixedly connected with the rotating center of one side of a driving wheel (1), and the driving wheel (1) is in transmission connection with a driven wheel (3) through a belt (2).
2. The activated carbon adsorption and desorption regeneration device for organic waste gas treatment according to claim 1, wherein a plurality of staggered partition plates (18) are fixedly connected in the combustion chamber of the catalytic combustion device (15), and the combustion of the gas is more complete and thorough through the partition plates (18).
3. The activated carbon adsorption and desorption regeneration device for organic waste gas treatment according to claim 1, wherein the infrared heating device (13) is an infrared heating pipe.
4. The activated carbon adsorption and desorption regeneration device for organic waste gas treatment according to claim 1, wherein the driving wheel (1) and the driven wheel (3) are provided with clamping grooves matched with the belt (2).
5. The activated carbon adsorption and desorption regeneration device for organic waste gas treatment according to claim 1, wherein a plurality of infrared heating devices (13) are circumferentially disposed on the inner wall of the waste gas treatment tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441304.6A CN111228959A (en) | 2018-11-28 | 2018-11-28 | Active carbon adsorption and desorption regeneration device for organic waste gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441304.6A CN111228959A (en) | 2018-11-28 | 2018-11-28 | Active carbon adsorption and desorption regeneration device for organic waste gas treatment |
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|---|---|
| CN111228959A true CN111228959A (en) | 2020-06-05 |
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| CN201811441304.6A Pending CN111228959A (en) | 2018-11-28 | 2018-11-28 | Active carbon adsorption and desorption regeneration device for organic waste gas treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804090A (en) * | 2020-07-14 | 2020-10-23 | 芜湖良仕机械科技有限公司 | Spray type dust removal device |
| CN113081836A (en) * | 2021-04-21 | 2021-07-09 | 刘晓波 | High-efficient capsule machine |
| CN115025583A (en) * | 2022-05-19 | 2022-09-09 | 苏州新区环保服务中心有限公司 | Be used for petrochemical to contain discarded object and burn clearance flue gas treatment device |
-
2018
- 2018-11-28 CN CN201811441304.6A patent/CN111228959A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804090A (en) * | 2020-07-14 | 2020-10-23 | 芜湖良仕机械科技有限公司 | Spray type dust removal device |
| CN113081836A (en) * | 2021-04-21 | 2021-07-09 | 刘晓波 | High-efficient capsule machine |
| CN115025583A (en) * | 2022-05-19 | 2022-09-09 | 苏州新区环保服务中心有限公司 | Be used for petrochemical to contain discarded object and burn clearance flue gas treatment device |
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Application publication date: 20200605 |
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