CN111282394A - Activated carbon adsorption system and activated carbon desorption system - Google Patents
Activated carbon adsorption system and activated carbon desorption system Download PDFInfo
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- CN111282394A CN111282394A CN202010082087.7A CN202010082087A CN111282394A CN 111282394 A CN111282394 A CN 111282394A CN 202010082087 A CN202010082087 A CN 202010082087A CN 111282394 A CN111282394 A CN 111282394A
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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
- B01D53/0407—Constructional details of adsorbing systems
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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
- B01D2259/40096—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating by using electrical resistance heating
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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
- B01D2259/402—Further details for adsorption processes and devices using two beds
Abstract
The invention discloses an activated carbon adsorption system and an activated carbon desorption system, which comprise adsorption and desorption units, wherein the number of the adsorption and desorption units is two, the two adsorption and desorption units are connected by adopting a three-way valve A and a three-way valve B, activated carbon is arranged in the adsorption and desorption units to realize adsorption, and the adsorption and desorption units can be switched to carry out desorption operation, namely, the activated carbon which is adsorbed to reach a saturation degree or a certain degree is heated and then vibrated, so that substances adsorbed on the activated carbon are separated and discharged; according to the invention, the adsorption and desorption integrated structure is arranged, so that the gas adsorption and desorption process can be efficiently operated, namely, the gas path to be treated is conducted to realize that the corresponding gas is adsorbed by a plurality of layers of loosely arranged activated carbon layers, then the working gas path is switched when desorption is needed, the heating is realized by arranging the heating unit, the driving motor is matched to drive the whole mechanism to rotate forwards and backwards, the effects of centrifugation, vibration and relative friction of the activated carbon in the mechanism are realized, and the desorption is assisted.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to an activated carbon adsorption system and an activated carbon desorption system.
Background
Activated carbon is a specially treated carbon produced by heating an organic raw material (husk, coal, wood, etc.) in the absence of air to reduce non-carbon components (this process is called carbonization), and then reacting with a gas to erode the surface and produce a structure with developed micropores (this process is called activation). Since the activation process is a microscopic process, i.e., the surface erosion of a large amount of molecular carbides is a point-like erosion, the surface of the activated carbon is caused to have countless fine pores. The diameter of the micropores on the surface of the activated carbon is mostly between 2 and 50nm, and even a small amount of activated carbon has huge surfaceThe surface area per gram of the activated carbon is 500-1500m2Almost all applications of activated carbon are based on this feature of activated carbon.
Currently, activated carbon is widely used in the field of environmental protection, and adsorption of a part of harmful substances in exhaust gas is realized through the adsorption capacity of activated carbon, but activated carbon still has a saturated condition although having a large specific surface area, and the treatment mode commonly used for saturated activated carbon at present is direct discarding or recycling treatment.
Wherein recovery processing is the artifical vibrations after the insolation generally, and then realizes the desorption, but this kind of mode is inefficient, has the condition of secondary pollution environment simultaneously.
Disclosure of Invention
The present invention aims to provide an activated carbon adsorption system and an activated carbon desorption system to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an activated carbon adsorption system and an activated carbon desorption system comprise adsorption and desorption units, wherein the two adsorption and desorption units are connected by adopting a three-way valve A and a three-way valve B, activated carbon is arranged in the adsorption and desorption units to realize adsorption and can be switched to carry out desorption operation, namely, the activated carbon which is adsorbed to reach a saturation degree or a certain degree is heated and then vibrated, so that substances adsorbed on the activated carbon are separated and discharged; the adsorption and desorption unit mainly comprises an exhaust pipeline, an outer cover cylinder, a sieve tray, a rotating shaft, a bearing A, a base, a heating unit, a rotating cylinder, an air inlet one-way valve and a driving motor, wherein a through hole coaxial with the base is formed in the middle of the base, the lower end of the rotating cylinder is rotatably connected with an air inlet at the lower end of the rotating cylinder through the bearing, the outer cover cylinder coaxial with the rotating cylinder is sleeved outside the rotating cylinder, the lower end of the outer cover cylinder is fixedly connected to the outer surface of the base through a screw, a rubber pad for increasing the sealing property is filled between the inner side surface of the lower end of the outer cover cylinder and the outer surface of the base, an air outlet at the top of the rotating cylinder is rotatably connected with one end of the exhaust pipeline through another bearing, the middle of the exhaust pipeline is fixedly connected to the middle of a top cover of the outer cover, the part of the rotating shaft, which is positioned in the rotating drum, is fixedly connected with a plurality of sieve trays which are distributed from top to bottom, and the driving motor drives the sieve trays to rotate and promotes adsorbed substances to be separated through the self collision of the activated carbon and the integral stirring; the heating unit is fixedly connected inside the outer cover cylinder through screws.
As a further scheme of the invention: the bottom end face of the rotary drum is provided with a central through hole and welded with a pipeline to form a lower end air inlet, the top opening of the rotary drum is connected with a cover plate through a bolt, and an exhaust port is formed in the central position of the cover plate.
As a further scheme of the invention: the outer surface of the exhaust pipeline corresponding to the adsorption and desorption units is connected with a branch pipe communicated with the outer surface through welding and is connected with the input end of a three-way valve B, the air inlet of the lower end of the base is connected with a flange plate through a bolt, the central through hole of the flange plate is connected with the output end of an air inlet one-way valve, and the input end of the air inlet one-way valve is connected with the input end of the three-way valve A.
As a further scheme of the invention: an opening communicated with the central through hole of the base is formed in the outer surface of the base and is connected with an air inlet of the dust collection box through a pipeline, an air outlet in the top of the dust collection box is connected with an input end of an air suction pump, and a filter screen is mounted at the air outlet in the top of the dust collection box, so that dust in the dust collection box can be sucked out when desorption is carried out; the outer surface of the exhaust pipeline corresponding to the adsorption and desorption unit is also connected with an air inlet one-way valve.
As a further scheme of the invention: the heating unit is an electric heating tube.
As a further scheme of the invention: the sieve tray mainly comprises a mesh plate and a rubber ring, wherein the mesh plate is a circular plate and is provided with a plurality of needle holes, the diameter of each needle hole is smaller than the particle size of activated carbon particles so as to screen separated dust and broken carbon during desorption centrifugation, a through hole in the middle of the mesh plate is welded on a rotating shaft, the edge of the mesh plate below the mesh plate is provided with the rubber ring, the outer diameter of the rubber ring is larger than the outer diameter of the mesh plate, the inner diameter of the rubber ring is smaller than the outer diameter of the mesh plate, the outer diameter of the rubber ring is slightly larger than the inner diameter of a rotating drum, the rubber ring is provided with a plurality of circular waist-shaped holes which are perpendicular to the rubber ring and distributed at equal intervals, screws penetrate the waist-shaped holes and are in threaded connection with the mesh plate, when the rubber ring is in a natural state, the screws are positioned at one ends of the waist-shaped holes facing, facilitating insertion into the drum while enabling good isolation.
As a further scheme of the invention: the one-way exhaust unit mainly comprises a cover plate, a ring-shaped element, a slide bar, a limit connecting rod, a nut and an outer sleeve, wherein a coaxial sliding sleeve is arranged inside the outer sleeve, the outer surface of the sliding sleeve is welded on the inner wall of the outer sleeve through the limit connecting rod, meanwhile, a slide rod is connected in the slide sleeve in a sliding way, the upper end of the slide rod is welded at the central position of a cover plate, the cover plate is positioned at the upper end of the outer sleeve, meanwhile, the outer diameter of the cover plate is larger than the outer diameter of the outer sleeve and the aperture of the central hole of the flange plate, so that the periphery of the cover plate is covered on the surface of the flange plate, a ring-shaped part sliding in the outer sleeve is welded below the cover plate, a plurality of through holes are arranged on the surface of the ring-shaped part, when the gas path for adsorption is conducted, the cover plate can be jacked up by air pressure and the gas is exhausted from the ring-shaped part, the cover plate seals the gas circuit to realize sealing when desorption operation is carried out, and dust and powder under the sieve are guaranteed to be pumped away.
As a further scheme of the invention: the adsorption and desorption unit is provided with a plurality of air outlet ports and air inlet ports which are respectively connected with the multi-way valve B and the multi-way valve A through pipelines, the starting and the stopping of different adsorption and desorption units are realized through the combined switching of the multi-way valve B and the multi-way valve A, and the combined use can be realized so as to improve the adsorption treatment capacity instantly.
Compared with the prior art, the invention has the beneficial effects that:
the invention ensures that the gas can efficiently participate in the operation in the process of gas adsorption and desorption by arranging the adsorption and desorption integrated structure, namely, the gas path to be treated is conducted to realize that the corresponding gas is adsorbed by a plurality of layers of loose active carbon layers, then the working gas path is switched when desorption is needed, the heating is realized by arranging the heating unit 13, the whole mechanism is driven to rotate forwards and backwards by matching with the driving motor, the effects of centrifugation, vibration and relative friction of the active carbon in the mechanism are realized, and the desorption is further assisted,
the invention has simple integral structure, can run without stopping, has long working period, and can directly open and replace the active carbon when the active carbon has large loss.
The invention can intensively recycle the desorbed dust particles, thereby avoiding secondary pollution.
Drawings
Fig. 1 is a schematic structural diagram of an activated carbon adsorption system and an activated carbon desorption system.
Fig. 2 is a schematic structural diagram of a sieve tray in an activated carbon adsorption system and an activated carbon desorption system.
Fig. 3 is a schematic structural diagram of a one-way exhaust unit in an activated carbon adsorption system and an activated carbon desorption system.
In the figure: the device comprises an exhaust pipeline 1, an outer cover barrel 2, a screen disc 3, a rotating shaft 4, a bearing 5, a base 6, a flange plate 7, a one-way exhaust unit 8, a three-way valve A9, an ash collection box 10, an air suction pump 11, an adsorption and desorption unit 12, a heating unit 13, a rotary drum 14, an air inlet one-way valve 15, a driving motor 16, a three-way valve B17, a kidney-shaped hole 18, a rubber ring 19, a screw 20, a mesh plate 21, an outer sleeve 22, a nut 23, a limiting connecting rod 24, a sliding rod 25, a ring-shaped part 26 and a cover.
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 to 3, in an embodiment of the present invention, an activated carbon adsorption system and an activated carbon desorption system include an adsorption and desorption unit 12, the adsorption and desorption unit 12 is provided with a plurality of air outlet ports and air inlet ports thereof respectively connected to a multi-way valve B and a multi-way valve a through pipes, the activation and shutdown of different adsorption and desorption units 12 are realized through the combined switching of the multi-way valve B and the multi-way valve a, and the combined use can be realized to instantaneously improve the adsorption throughput, and then the adsorption and desorption unit 12 that is shut down can perform a desorption operation, that is, activated carbon that has been adsorbed to a saturation degree or a certain degree is heated and then vibrates, so that substances adsorbed thereon are desorbed and discharged.
Wherein the number of the adsorption-desorption units 12 is preferably two and the connection is achieved using a three-way valve a9 and a three-way valve B17.
The adsorption and desorption unit 12 mainly comprises an exhaust pipeline 1, an outer cover cylinder 2, a sieve tray 3, a rotating shaft 4, a bearing A5, a base 6, a heating unit 13, a rotary cylinder 14, an air inlet one-way valve 15 and a driving motor 16, wherein a through hole coaxial with the base 6 is formed in the middle of the base 6, a lower end air inlet of the rotary cylinder 14 is rotatably connected with the middle of the base 6 through a bearing 5, the outer cover cylinder 2 coaxial with the rotary cylinder 14 is sleeved outside the rotary cylinder 14, the lower end of the outer cover cylinder 2 is fixedly connected with the outer surface of the base 6 through a screw, a rubber gasket for increasing sealing performance is filled between the inner side surface of the lower end of the outer cover cylinder 2 and the outer surface of the base 6, an air outlet at the top of the rotary cylinder 14 is rotatably connected with one end of the exhaust pipeline 1 through another bearing, the middle of the exhaust pipeline 1 is fixedly connected with the middle of a, the output shaft of the driving motor 16 is connected with the rotating shaft 4 through a coupler, the part of the rotating shaft 4, which is positioned in the rotating drum 14, is fixedly connected with a plurality of sieve trays 3 which are distributed from top to bottom, and in the actual use process, the driving motor 16 can drive the sieve trays to rotate and promote the adsorbed substances to be separated through the collision of the activated carbon and the integral stirring.
The bottom end face of the rotary drum 14 is provided with a central through hole and welded with a pipeline to form a lower end air inlet, the top opening of the rotary drum 14 is connected with a cover plate through a bolt, an exhaust port is formed in the center of the cover plate, in the adsorption working process, air entering from the lower part passes through the layer of the sieve trays 3 and is adsorbed by activated carbon placed on the sieve trays, and finally the adsorbed and pressed air is exhausted from the exhaust port.
The outer surfaces of the exhaust pipelines 1 corresponding to the two groups of adsorption and desorption units 12 are connected with branch pipes communicated with the exhaust pipelines through welding and are connected with the input end of a three-way valve B17, the air inlet at the lower end of the base 6 is connected with the flange 7 through a bolt, meanwhile, the central through hole of the flange 7 is connected with the output end of an air inlet one-way valve 15, and the input end of the air inlet one-way valve 15 is connected with the input end of a three-way valve A9.
An opening communicated with a central through hole of the base 6 is formed in the outer surface of the base and is connected with an air inlet of the dust collection box 10 through a pipeline, an air outlet in the top of the dust collection box 10 is connected with an input end of the air suction pump 11, and a filter screen is mounted at the air outlet in the top of the dust collection box 10 so that dust in the dust collection box can be sucked out when desorption is carried out; the outer surface of the exhaust pipeline 1 corresponding to the adsorption and desorption unit 12 is also connected with an air inlet one-way valve 15, and air flow is formed inside the adsorption and desorption unit in the air exhaust process so as to assist in discharging dust particles.
The heating unit 13 is fixedly connected inside the outer cover barrel 2 through screws, the heating unit 13 can be an electric heating pipe, the heating unit heats the internal activated carbon through electric drive, as is well known, in order to recycle a plurality of activated carbon after the activated carbon is saturated, desorption is mostly realized by adopting a heating and beating mode, the heating unit 13 is arranged to realize heating, and meanwhile, the driving motor 16 is used for driving the whole mechanism to rotate forwards and backwards, so that the effects of centrifugation, vibration and relative friction of the internal activated carbon are realized, and further the desorption is realized in an auxiliary manner.
The sieve tray 3 mainly comprises a mesh plate 21 and a rubber ring 19, wherein the mesh plate 21 is a circular plate provided with a plurality of pinholes, the diameters of the pinholes are smaller than the particle size of activated carbon particles so as to facilitate screening of separated dust and broken carbon during desorption centrifugation, a through hole in the middle of the mesh plate 21 is welded on the rotating shaft 4, the rubber ring 19 is arranged at the edge of the mesh plate 21 below the mesh plate 21, the outer diameter of the rubber ring 19 is larger than that of the mesh plate 21, the inner diameter of the rubber ring 19 is smaller than that of the mesh plate 21, the outer diameter of the rubber ring 19 is slightly larger than that of the rotating drum 14, the rubber ring 19 is provided with a plurality of circular waist-shaped holes 18 which are perpendicular to the circular shape and distributed at equal intervals, screws 20 penetrate through the waist-shaped holes and are in threaded connection with the mesh plate 21, when the rubber ring 19 is in a natural state, the screws 20 are positioned at one end, the outer edge of the rubber ring 19 is contracted inward toward the downward end to form a closing structure, so that the rubber ring can be inserted into the drum 14 conveniently and can realize good isolation.
The one-way exhaust unit 8 mainly comprises a cover plate 27, a ring part 26, a slide rod 25, a limit connecting rod 24, a nut 23 and an outer sleeve 22, wherein a coaxial sliding sleeve is arranged inside the outer sleeve 22, the outer surface of the sliding sleeve is welded on the inner wall of the outer sleeve 22 through the limit connecting rod 24, the slide rod 25 is connected in the sliding sleeve in a sliding manner, the upper end of the slide rod 25 is welded at the central position of the cover plate 27, the cover plate 27 is positioned at the upper end of the outer sleeve 22, the outer diameter of the cover plate 27 is larger than that of the outer sleeve 22 and is also larger than the aperture of the central hole of the flange 7, so that the periphery of the cover plate 27 is covered on the surface of the flange, the ring part 26 sliding in the outer sleeve 22 is welded below the cover plate 27, a plurality of through holes are formed in the surface of the ring part 26, when an adsorbed gas circuit is conducted, ensuring that the undersize dust and fines are drawn away.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
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 (8)
1. The active carbon adsorption system and the active carbon desorption system comprise adsorption and desorption units (12) and are characterized in that the number of the adsorption and desorption units (12) is two, a three-way valve A (9) and a three-way valve B (17) are adopted for realizing connection, active carbon is arranged in the adsorption and desorption units (12) for realizing adsorption and being capable of switching states for desorption operation, namely the active carbon which is adsorbed to reach a saturation degree or a certain degree is heated and then vibrated, so that substances adsorbed on the active carbon are separated and discharged; the adsorption and desorption unit (12) mainly comprises an exhaust pipeline (1), an outer cover cylinder (2), a sieve tray (3), a rotating shaft (4), a bearing A (5), a base (6), a heating unit (13), a rotating cylinder (14), an air inlet one-way valve (15) and a driving motor (16), wherein a through hole coaxial with the base is formed in the middle of the base (6), the lower end air inlet of the rotating cylinder (14) is rotatably connected through the bearing (5), the outer side of the rotating cylinder (14) is sleeved with the outer cover cylinder (2) coaxial with the rotating cylinder, the lower end of the outer cover cylinder (2) is fixedly connected to the outer surface of the base (6) through a screw, a rubber gasket for increasing the sealing property is filled between the inner side face of the lower end of the outer cover cylinder (2) and the outer surface of the base (6), an air outlet at the top of the rotating cylinder (14) is rotatably connected with one end of the exhaust pipeline (1) through another bearing, the middle of the exhaust pipeline (1) is, the other end of the exhaust pipeline (1) is welded with a mounting plate and is provided with a driving motor (16) coaxial with the mounting plate, an output shaft of the driving motor (16) is connected with a rotating shaft (4) through a coupler, a part of the rotating shaft (4) positioned in a rotating drum (14) is fixedly connected with a plurality of sieve trays (3) distributed from top to bottom, and the driving motor (16) drives the sieve trays to rotate and promotes adsorbed substances to be separated through the self collision of active carbon and the integral stirring; the heating unit (13) is fixedly connected inside the outer cover cylinder (2) through screws.
2. The activated carbon adsorption and desorption systems as claimed in claim 1, wherein the bottom end surface of the rotary drum (14) is provided with a central through hole and welded with a pipeline to form a lower end air inlet, and the top opening of the rotary drum (14) is connected with a cover plate through a bolt while an air outlet is formed at the central position of the cover plate.
3. The activated carbon adsorption system and the activated carbon desorption system according to claim 1, wherein the outer surfaces of the exhaust pipelines (1) corresponding to the two sets of adsorption and desorption units (12) are connected with the input end of a three-way valve B (17) by welding branch pipes communicated with the outer surfaces, the air inlet position at the lower end of the base (6) is connected with a flange plate (7) through bolts, the central through hole of the flange plate (7) is connected with the output end of an air inlet one-way valve (15), and the input end of the air inlet one-way valve (15) is connected with the input end of a three-way valve A (9).
4. The activated carbon adsorption system and the activated carbon desorption system as claimed in claim 1 or 3, wherein the outer surface of the base (6) is provided with an opening communicated with the central through hole of the base, the opening is connected with an air inlet of the dust collection box (10) through a pipeline, a top air outlet of the dust collection box (10) is connected with an input end of the air suction pump (11), and a filter screen is arranged at the top air outlet of the dust collection box (10) so as to be convenient for extracting dust in the dust collection box during desorption; the outer surface of the exhaust pipeline (1) corresponding to the adsorption and desorption unit (12) is also connected with an air inlet one-way valve (15).
5. Activated carbon adsorption and desorption systems according to claim 1, wherein the heating unit (13) is an electric heating tube.
6. The activated carbon adsorption system and the activated carbon desorption system according to claim 1, wherein the sieve tray (3) is mainly composed of a mesh plate (21) and a rubber ring (19), wherein the mesh plate (21) is a circular plate and is provided with a plurality of pinholes, the diameters of the pinholes are smaller than the particle size of activated carbon particles, so that the separated dust and broken carbon can be screened during desorption centrifugation, a through hole in the middle of the mesh plate (21) is welded on the rotating shaft (4), the edge of the mesh plate (21) below is provided with the rubber ring (19), the outer diameter of the rubber ring (19) is larger than the outer diameter of the mesh plate (21), the inner diameter of the rubber ring (19) is smaller than the outer diameter of the mesh plate (21), the outer diameter of the rubber ring (19) is slightly larger than the inner diameter of the rotating drum (14), and the rubber ring (19) is provided with a plurality of waist-shaped holes (18) which are perpendicular to the circular shape and are distributed at equal intervals, the screw (20) penetrates through the waist-shaped hole and is in threaded connection with the mesh plate (21), when the rubber ring (19) is in a natural state, the screw (20) is located at one end, facing the center of a circle, of the waist-shaped hole (18), and the end, facing downwards, of the outer edge of the rubber ring (19) is contracted inwards to form a closing-in structure, so that the rubber ring can be inserted into the rotary drum (14) conveniently and meanwhile can be well isolated.
7. The activated carbon adsorption system and the activated carbon desorption system according to claim 1, wherein the one-way exhaust unit (8) mainly comprises a cover plate (27), a ring-shaped member (26), a slide rod (25), a limit connecting rod (24), a nut (23) and an outer sleeve (22), a coaxial slide sleeve is arranged inside the outer sleeve (22), the outer surface of the slide sleeve is welded on the inner wall of the outer sleeve (22) through the limit connecting rod (24), the slide rod (25) is connected in the slide sleeve in a sliding manner, the upper end of the slide rod (25) is welded at the central position of the cover plate (27), the cover plate (27) is positioned at the upper end of the outer sleeve (22), the outer diameter of the cover plate (27) is larger than the outer diameter of the outer sleeve (22) and larger than the aperture of the central hole of the flange (7), so that the periphery of the cover plate (27) covers the surface of the flange, the ring-shaped member (26) sliding in the outer, a plurality of through-hole is seted up on the surface of loop forming element (26), and when the gas circuit that carries out the absorption switched on, atmospheric pressure can jack-up apron (27) and follow loop forming element (26) and exhaust, and apron (27) seal the gas circuit and realize sealing when carrying out desorption operation, ensure that the dust and the powder under the sieve are taken away.
8. The activated carbon adsorption and desorption systems according to claim 1, wherein the adsorption and desorption units (12) are provided with a plurality of outlet ports and inlet ports thereof respectively connected with the multi-way valve B and the multi-way valve a through pipes, and the activation and the shutdown of different adsorption and desorption units (12) are realized through the combined switching of the multi-way valve B and the multi-way valve a, and the combined use can be realized so as to instantaneously improve the adsorption throughput.
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| CN115006961A (en) * | 2022-06-07 | 2022-09-06 | 北京石大油源科技开发有限公司 | Novel carbon emission reduction device adaptive to medium and high concentration and use method thereof |
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Application publication date: 20200616 |