CN114146529A - Activated carbon efficient purification equipment and purification method - Google Patents
Activated carbon efficient purification equipment and purification method Download PDFInfo
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- CN114146529A CN114146529A CN202111352150.5A CN202111352150A CN114146529A CN 114146529 A CN114146529 A CN 114146529A CN 202111352150 A CN202111352150 A CN 202111352150A CN 114146529 A CN114146529 A CN 114146529A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 227
- 238000000746 purification Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 117
- 239000002912 waste gas Substances 0.000 claims abstract description 83
- 238000001179 sorption measurement Methods 0.000 claims abstract description 50
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 29
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 239000012535 impurity Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- 238000003795 desorption Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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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
- B01D53/0446—Means for feeding or distributing gases
-
- 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
- B01D53/0423—Beds in columns
-
- 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
- B01D53/0438—Cooling or heating systems
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
-
- 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
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of activated carbon purification, in particular to an activated carbon efficient purification device and a purification method, wherein the purification device comprises an adsorption tower, the surface of the adsorption tower is provided with an air inlet, an air outlet, an exhaust hole and a fan, the air inlet is arranged at the bottom of the adsorption tower, the air outlet is arranged at the upper part of the adsorption tower, the exhaust holes are uniformly distributed at the left side of the adsorption tower, and the fan is uniformly distributed at the right side of the adsorption tower; through setting up the gas distribution plate, the barrier plate, No. two notches, breather pipe and notch, because the waste gas of gas distribution plate center pin department is more than the waste gas of gas distribution plate edge, so the bore size through setting up No. two notches on the barrier plate surface is crescent with breather pipe center axial edge, thereby make the barrier plate control waste gas as far as possible evenly through a notch, make waste gas evenly contact with the active carbon, the phenomenon that the active carbon saturation that further reduces the centre is high than the active carbon saturation of both sides appears.
Description
Technical Field
The invention relates to the technical field of activated carbon purification, in particular to an activated carbon efficient purification device and a purification method.
Background
The activated carbon is prepared by pyrolyzing and activating carbon-containing raw materials such as wood, coal, petroleum coke and the like, has a developed pore structure, a larger specific surface area and abundant surface chemical groups, and is a general term for carbon materials with stronger specific adsorption capacity; the active carbon adsorption tower makes the solid surface of the active carbon contact with the introduced gas by utilizing the characteristics of the active carbon, then attracts gas molecules to concentrate and keep the gas molecules on the solid surface, pollutants are adsorbed, and therefore the waste gas enters an equipment dust exhaust system after passing through a filter, and the purified gas is discharged to reach the high altitude standard.
When the activated carbon in the adsorption tower adsorbs excessive substances, the activated carbon is in a saturated state, so that the activated carbon needs to be regenerated, wherein the activated carbon regeneration refers to a process of removing adsorbates adsorbed on micropores of the activated carbon by a physical or chemical method on the premise of not damaging the original structure of the activated carbon and recovering the adsorption performance of the activated carbon; the method for regenerating the activated carbon comprises a thermal regeneration method, wherein high-temperature gas is introduced into an adsorption tower to vaporize and desorb part of organic matters adsorbed on the activated carbon, part of the organic matters are decomposed, and finally micropores of the internal structure of the activated carbon are cleaned through activation treatment to recover the adsorption activity.
An activated carbon purification tower used for purifying waste gas in small and medium-sized factories usually adopts an air pump to lead waste gas materials into the tower, so that impurities in the waste gas materials are adsorbed by activated carbon plates in the tower body, the waste gas moves upwards in a centralized manner along the central axis of an air inlet, the waste gas is unevenly distributed in the tower body, the waste gas is adsorbed by the activated carbon over the air inlet, the parts of the activated carbon plates of the tower body, which are close to two sides, are not fully contacted with the waste gas and are not fully utilized, the part of the activated carbon plate at the middle part is fully contacted with the waste gas flowing upwards in a centralized manner, the contact area between the activated carbon and the waste gas is increased along with the full filling of the waste gas in the tower body, so that the saturation degree of the activated carbon at two sides of the activated carbon plates is lower than that of the activated carbon at the middle part, and the saturated activated carbon is in contact with the surfaces of the activated carbon plates through high-temperature gas when being regenerated, organic matter desorption on the activated carbon surface is enabled, high-temperature gas needs to permeate the activated carbon plate, and desorption treatment is carried out on activated carbon of different levels in sequence, so that the activated carbon desorption efficiency is poor.
In view of this, the present invention provides an efficient activated carbon purification apparatus and purification method, which solve the above problems.
Disclosure of Invention
In order to make up the defects of the prior art, the problems that the saturation degree of the activated carbon in the activated carbon plate is different and the desorption efficiency of high-temperature gas to the saturated activated carbon is poor due to the uneven conveying of the waste gas in the adsorption tower in small and medium-sized factories are solved; the invention provides an active carbon efficient purification device and a purification method.
The technical scheme adopted by the invention for solving the technical problems is as follows: the purification equipment comprises an adsorption tower, wherein the surface of the adsorption tower is provided with an air inlet, an air outlet, exhaust holes and a fan, the air inlet is arranged at the bottom of the adsorption tower, the air outlet is arranged at the upper part of the adsorption tower, the exhaust holes are uniformly distributed on the left side of the adsorption tower, and the fan is uniformly distributed on the right side of the adsorption tower; the adsorption tower includes:
a tower body;
the breather pipe is arranged at the bottom of the tower body, is connected with the air inlet port and is used for conveying waste gas materials to the interior of the tower body;
the gas distribution plate is arranged on the upper part of the vent pipe, the edge part of the gas distribution plate is connected with the inner wall of the tower body, the inside of the gas distribution plate is hollow, the inside of the gas distribution plate is communicated with the vent pipe, and the gas distribution plate is used for distributing waste gas materials in the tower body;
the first notches are uniformly distributed on the upper surface of the gas distribution plate;
accept the layer, accept the layer evenly distributed on the inner wall in the middle of the tower body is inside, it has active carbon to accept the inside packing of layer for purify the waste gas through accepting the layer in the tower body.
Preferably, the inner wall of the air distribution plate, which faces the ventilating pipe, is movably connected with an arc-shaped block.
Preferably, divide the gas board inside and be located No. one notch inner wall installs the barrier plate, No. two notches have been seted up on the barrier plate surface, just No. two notch aperture sizes are directly proportional with the interval size to the breather pipe center pin.
Preferably, the cross-sectional shape of the blocking plate is set to be arc-shaped.
Preferably, the receiving layer includes:
the top plate is positioned in the tower body, and the end part of the top plate is movably connected with the inner wall of the tower body; through holes are uniformly formed in the top plate, and a screen is covered on the upper surface of the top plate;
the bottom plate is arranged at the bottom of the top plate, and a gap area between the bottom plate and the top plate is filled with activated carbon; the bottom plate is hollow, and the right port of the bottom plate is communicated with the outside for introducing high-temperature gas into the hollow part in the bottom plate;
the top of the connecting pipe extends into a gap between the top plate and the bottom plate, and the bottom of the connecting pipe extends into an area below the bottom plate so as to guide the waste gas close to the bottom plate into the gap between the top plate and the bottom plate;
the first pipeline is arranged on the top plate and positioned between the connecting pipes and is in sliding connection with the top plate, the bottom of the first pipeline extends into the hollow part in the bottom plate, and the top of the first pipeline is closed and extends into a gap between the top plate and the bottom plate;
the third notch is formed in the part, close to the top, of the side wall of the first pipeline and used for diffusing high-temperature gas to two sides;
the movable block is arranged on the upper surface of the top of the first pipeline and is connected with the upper surface of the top plate through a spring.
Preferably, the gauze is installed at the upper port of the connecting pipe, and the cross section of the two end ports of the connecting pipe is conical.
Preferably, a pipeline top port seals, No. three notches have evenly been seted up on a pipeline both sides surface, and are located No. three notches of a pipeline bottom set up to the bell mouth.
Preferably, the surface of the outer side of the movable block is arc-shaped, and the bottom end of the first pipeline is horn-shaped.
Preferably, the distance between the bottom of the first pipeline and the top of the movable block is smaller than the distance between the top plate and the bottom plate.
An active carbon high-efficiency purification method is suitable for the active carbon high-efficiency purification equipment and comprises the following steps;
s1: switching on a power supply, starting a switch of the adsorption tower, closing an exhaust hole, opening an air suction port and an air outlet, controlling a pump at the air inlet by a controller, sucking the pretreated and dried waste gas into the adsorption tower from the air inlet, allowing the waste gas to enter a gas distribution plate along a vent pipe, and enabling the waste gas to be uniformly distributed upwards in the tower body through a first notch on the surface of the gas distribution plate;
s2: the waste gas in the gas distribution plate is diffused upwards and is transported into the top plate through a connecting pipe in the bottom plate, the impurities in the waste gas are adsorbed by the activated carbon in the top plate, and after the adsorption action of the three layers of activated carbon, the treated waste gas is collected from the gas outlet by a pump on the upper layer of the adsorption tower;
s3: when activated carbon in the top plate is saturated, the exhaust hole is opened, the air suction port and the air outlet are closed, the controller controls the high-temperature instrument to introduce high-temperature gas into the bottom plate, the high-temperature gas drives the movable block to move upwards through the first pipeline, the movable block overturns the activated carbon, and the high-temperature gas contacts the surfaces of the activated carbon on different layers through the third notch on the surface of the first pipeline;
s4: when the high-temperature gas passes through the surface of the activated carbon, the high-temperature gas drives the impurities adsorbed on the surface of the activated carbon, and then the controller controls the fan to rotate, so that the high-temperature gas containing the impurities moves leftwards and is collected through the exhaust holes, and the saturation phenomenon of the activated carbon is eliminated.
The invention has the following beneficial effects:
1. according to the efficient activated carbon purification equipment and the purification method, the gas distribution plate, the barrier plate, the second notch, the vent pipe and the first notch are arranged, when waste gas flows in the gas distribution plate, because the waste gas at the central shaft of the gas distribution plate is more than the waste gas at the edge of the gas distribution plate, the caliber of the second notch on the surface of the barrier plate is gradually increased along the axial direction of the center of the vent pipe, so that the barrier plate controls the waste gas to pass through the first notch as uniformly as possible, the waste gas is uniformly contacted with activated carbon, and the phenomenon that the saturation degree of the activated carbon in the middle is higher than that of the activated carbon at two sides is further reduced.
2. The invention relates to an active carbon efficient purification device and a purification method. Drive the movable block rebound and extrude activated carbon to both sides through a pipeline when high-temperature gas, high-temperature gas will contact with the activated carbon of both sides through No. three notches that a pipeline evenly set up on the surface simultaneously to make high-temperature gas directly carry out the desorption processing through No. three notches with the activated carbon of different levels, further improved the efficiency of activated carbon desorption.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a process flow diagram of the purification process of the present invention;
FIG. 2 is a perspective view of the purification apparatus of the present invention;
FIG. 3 is a sectional view of the purification apparatus of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B;
in the figure: the tower body 1, the breather pipe 2, divide gas plate 3, arc piece 31, notch 4 No. one, barrier plate 41, No. two notches 42, accept layer 5, roof 51, bottom plate 52, connecting pipe 53, pipeline 54 No. one, No. three notch 541, movable block 55.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the activated carbon efficient purification equipment comprises an adsorption tower, wherein an air inlet, an air outlet, an exhaust hole and a fan are arranged on the surface of the adsorption tower, the air inlet is arranged at the bottom of the adsorption tower, the air outlet is arranged at the upper part of the adsorption tower, the exhaust holes are uniformly distributed on the left side of the adsorption tower, and the fans are uniformly distributed on the right side of the adsorption tower; the adsorption tower includes:
a tower body 1;
the breather pipe 2 is arranged at the bottom of the tower body 1, is connected with the air inlet port and is used for conveying waste gas materials to the interior of the tower body 1;
the gas distribution plate 3 is arranged on the upper part of the vent pipe 2, the edge part of the gas distribution plate 3 is connected with the inner wall of the tower body 1, the inside of the gas distribution plate 3 is hollow, and the inside of the gas distribution plate 3 is communicated with the vent pipe 2 and used for distributing waste gas materials in the tower body 1;
the first notches 4 are uniformly distributed on the upper surface of the gas distribution plate 3;
the receiving layer 5 is uniformly distributed in the middle of the inside of the tower body 1, and activated carbon is filled in the receiving layer 5 and used for purifying waste gas passing through the receiving layer 5 in the tower body 1;
when the adsorption tower works, firstly, a power switch is switched on, the exhaust hole is closed, the air inlet and the air outlet are opened, the adsorption tower switch is started, the controller controls a pump at the air inlet to suck the pretreated and dried waste gas into the tower body 1, the vent pipe 2 is arranged at the bottom of the tower body 1 and is connected with the port of the air inlet, the gas distribution plate 3 is arranged at the upper part of the vent pipe 2, the edge part of the gas distribution plate 3 is connected with the inner wall of the tower body 1, the inner part of the gas distribution plate 3 is hollow and is communicated with the vent pipe 2, therefore, the waste gas enters the inner part of the gas distribution plate 3 along the inner wall of the vent pipe 2, the first notches 4 are uniformly distributed on the upper surface of the gas distribution plate 3, therefore, the waste gas in the gas distribution plate 3 moves upwards through the uniformly distributed first notches 4, the bearing layer 5 is uniformly distributed in the middle of the inner part of the tower body 1, and the activated carbon is arranged in the bearing layer 5, therefore, the waste gas is uniformly contacted with the activated carbon in the bearing layer 5 through the first notches 4, thereby make the impurity efficiency in the active carbon adsorption waste gas higher, will remove to tower body 1 top through accepting the waste gas after layer 5 purifies, and the pump through the gas outlet will purify the waste gas and collect and carry out processing on next step, further improved active carbon purification efficiency.
As an embodiment of the present invention, an arc block 31 is movably connected to a position of the inner wall of the air distribution plate 3, which is opposite to the air pipe 2;
the during operation, the pump of air inlet department is driving waste gas and is getting into in the gas distribution plate 3 along breather pipe 2, just have arc piece 31 to 2 position swing joint on the 3 inner walls of gas distribution plate on the breather pipe, waste gas will remove to gas distribution plate 3 edge direction along arc piece 31, waste gas ascending impact force can be cushioned to arc piece 31 simultaneously, it is impaired because of the impact force of waste gas to prevent to divide 3 center pin department inner wall surfaces of gas distribution plate, because arc piece 31 and divide 3 inner walls of gas distribution plate between be connected for dismantling, consequently, after gas distribution plate 3 uses a period, can change arc piece 31, the life of gas distribution plate 3 has further been strengthened.
As an embodiment of the present invention, a blocking plate 41 is installed inside the gas distribution plate 3 and on the inner wall of the first notch 4, a second notch 42 is opened on the surface of the blocking plate 41, and the size of the aperture of the second notch 42 is in direct proportion to the size of the distance from the central axis of the vent pipe 2;
the during operation, when waste gas removes in minute aerofoil 3, divide aerofoil 3 inside and be located 4 inner walls of a notch and install barrier plate 41, barrier plate 41 has seted up No. two notches 42 on the surface, and No. two notch 42 bore sizes are with 3 edges of breather pipe 2 central axis branch aerofoil crescent, because the flow that a notch 4 that is close to the breather pipe 2 center pin more passes through waste gas more, consequently the flow of waste gas is being controlled through the change of No. two notch 42 bore sizes, the flow that makes waste gas pass through minute aerofoil 3 notch 4 on the surface is even, waste gas evenly distributed's effect has further been guaranteed.
As an embodiment of the present invention, the blocking plate 41 is provided with an arc-shaped cross-sectional shape;
during operation, when the waste gas strikes the barrier plate 41, the cross-sectional shape of the barrier plate 41 is set to be arc-shaped, and compared with the barrier plate 41 with the parallel bottom surface, the arc-shaped barrier plate 41 can buffer the impact force of the waste gas, so that the buffer effect is achieved, the surface of the barrier plate 41 is prevented from being damaged under the impact of the waste gas, and the service life of the barrier plate 41 is further prolonged.
As an embodiment of the present invention, the receiving layer 5 includes:
the top plate 51 is positioned inside the tower body 1, and the end part of the top plate 51 is movably connected with the inner wall of the tower body 1; through holes are uniformly formed in the top plate 51, and a screen is covered on the upper surface of the top plate 51;
a bottom plate 52, wherein the bottom plate 52 is installed at the bottom of the top plate 51, and the gap area between the bottom plate 52 and the top plate 51 is filled with activated carbon; the bottom plate 52 is hollow, and a port at the right side of the bottom plate 52 is communicated with the outside, so as to introduce high-temperature gas into the hollow part inside the bottom plate 52;
a connecting pipe 53, wherein the connecting pipe 53 is installed on the bottom plate 52, the top of the connecting pipe 53 extends into the gap between the top plate 51 and the bottom plate 52, and the bottom of the connecting pipe 53 extends into the area below the bottom plate 52, so as to guide the exhaust gas close to the bottom plate 52 into the gap between the top plate 51 and the bottom plate 52;
a first pipeline 54, wherein the first pipeline 54 is installed on the top plate 51 at a position between the connecting pipes 53 and is in sliding connection with the top plate 51, the bottom of the first pipeline 54 extends into a hollow part inside the bottom plate 52, and the top of the first pipeline 54 is closed and extends into a gap between the top plate 51 and the bottom plate 52;
the third notch 541 is formed in the part, close to the top, of the side wall of the first pipeline 54 and used for diffusing high-temperature gas to two sides;
the movable block 55 is arranged on the upper surface of the top of the first pipeline 54 and is connected with the upper surface of the top plate 51 through a spring;
when the device works, the top plate 51 is positioned in the tower body 1, the end part of the top plate 51 is movably connected with the inner wall of the tower body 1, through holes are uniformly arranged on the top plate 51, the upper surface of the top plate 51 is covered with a screen, the bottom plate 52 is arranged at the bottom of the receiving layer 5, the gap area between the bottom plate 52 and the top plate 51 is filled with active carbon, the interior of the bottom plate 52 is hollow, the right side port of the bottom plate 52 is communicated with the outside, the connecting pipe 53 is arranged on the bottom plate 52, the top of the connecting pipe 53 extends into the gap between the top plate 51 and the bottom plate 52, and the bottom of the connecting pipe 53 extends into the area below the bottom plate 52, so that waste gas materials move between the top plate 51 and the bottom plate 52 through the connecting pipe 53, impurities in the waste gas are adsorbed by the active carbon between the top plate 51 and the bottom plate 52, when the active carbon is adsorbed to be saturated, the active carbon is regenerated, high-temperature gas is conveyed to the interior of the bottom plate 52 through the air pump, the first pipeline 54 is installed on the top plate 51 between the connecting pipes 53 and is connected with the top plate 51 in a sliding manner, the bottom of the first pipeline 54 extends into the hollow part inside the bottom plate 52, the top of the first pipeline 54 is closed and extends into the gap between the top plate 51 and the bottom plate 52, therefore, when high-temperature gas flows inside the bottom plate 52, the high-temperature gas can fill the hollow part inside the bottom plate 52 and increase the air pressure inside the hollow part, so that the air pressure enters the first pipeline 4 and drives the first pipeline 54 to move upwards, the outer surface of the top of the first pipeline 54 is provided with a movable block 55, and the two sides of the first pipeline 54 are provided with third notches 541, therefore, the first pipeline 54 extrudes the opposite activated carbon towards the two sides through the movable block 55, and simultaneously, the high-temperature gas can contact with the activated carbon on the two sides through the third notches 541, so that organic matters are arranged on the surface of the high-temperature gas activated carbon, meanwhile, the movable block 55 is mounted on the upper surface of the top of the first pipeline 54 and connected with the upper surface of the bottom plate 52 through a spring, so that when the air pressure of the central control part of the bottom plate 52 is reduced, the movable block 55 drives the first pipeline 54 to return to the original position through the spring.
In one embodiment of the present invention, a gauze is installed at an upper port of the connection pipe 53, and a cross-sectional shape of both end ports of the connection pipe 53 is a cone;
during operation, when waste gas leads to the active carbon between roof 51 and the bottom plate 52 through connecting pipe 53, connecting pipe 53 both ends port cross-sectional shape is the toper, and the conical port has increased the waste gas and has inhaled and the scope of discharging, not only is favorable to the efficiency that waste gas passed through, is favorable to increasing the area of contact of waste gas and active carbon moreover, and the gauze is installed to connecting pipe 53 upper portion port simultaneously, prevents that the active carbon from dropping in connecting pipe 53, has further accelerated the efficiency that the active carbon purified waste gas.
As an embodiment of the present invention, a top port of the first pipe 54 is closed, three notches 541 are uniformly formed in two side surfaces of the first pipe 54, and the three notches 541 located at the bottom end of the first pipe 54 are tapered openings;
during operation, when the high-temperature gas is conveyed into the first pipeline 54, the top port of the first pipeline 54 is closed, and the three notches 541 are uniformly formed in the surfaces of the two sides of the first pipeline 54, so that the high-temperature gas drives the first pipeline 54 to move upwards, meanwhile, the high-temperature gas can be in contact with the activated carbon on the two sides along the three notches 541, and the activated carbon on the top plate 51 and the activated carbon on the bottom plate 52 at different levels can be treated by the high-temperature gas along the three notches 541 with different heights on the surface of the first pipeline 54 because the three notches 541 are uniformly distributed on the surface of the first pipeline 54; because the contact time of the activated carbon at the bottommost layer between the top plate 51 and the bottom plate 52 and the exhaust gas is the longest, the saturation degree of the activated carbon at the bottommost layer is the highest, the third notch 541 near the bottom end of the first pipeline 54 is set to be a conical notch, so that a large amount of high-temperature gas is desorbed from the activated carbon at the bottommost layer, and the purification effect of the activated carbon is further enhanced.
As an embodiment of the present invention, the outer side surface of the movable block 55 is arc-shaped and the bottom end of the first conduit 54 is trumpet-shaped;
when the device works, the high-temperature gas drives the first pipeline 54 to slide between two adjacent connecting pipes 53, the outer side surface of the movable block 55 is arc-shaped, the bottom end of the first pipeline 54 is horn-shaped, and the arc-shaped movable block 55 is beneficial to moving in an activated carbon layer, so that the activated carbon on two sides moves outwards and is prevented from accumulating on the upper surface of the movable block 55; the bottom end of the first pipeline 54 is flared, and the port is unfolded towards two sides, so that the upward sliding range of the first pipeline 54 can be limited, the range of sucking high-temperature gas can be enlarged, and the movement of the first pipeline 54 is further accelerated.
As an embodiment of the present invention, the distance between the bottom of the first conduit 54 and the top of the movable block 55 is smaller than the distance between the top plate 51 and the bottom plate 52;
during operation, the movable block 55 bottom is connected through the spring with bottom plate 52 upper surface, and when high temperature gas was driving pipeline 54 and movable block 55 and was removed in the activated carbon layer, the interval between pipeline 54 bottom and the movable block 55 top was less than the interval between roof 51 and the bottom plate 52 to make movable block 55 upper surface and roof 51 inner wall surface contactless, prevent that movable block 55 upper surface from contacting with roof 51 inner wall surface under high temperature gas's impact, thereby lead to movable block 55 upper surface impaired, when losing high temperature gas's impact, the spring was driving movable block 55 and pipeline 54 and is resumeed original position, further protected movable block 55.
An active carbon high-efficiency purification method is suitable for the active carbon high-efficiency purification equipment and comprises the following steps;
s1: switching on a power supply, closing the exhaust hole, opening the air suction port and the air outlet, starting a switch of the adsorption tower, enabling the controller to control a pump at the air inlet, sucking the pretreated and dried waste gas into the adsorption tower from the air inlet, enabling the waste gas to enter the gas distribution plate 3 along the vent pipe 2, and enabling the waste gas to be uniformly distributed upwards in the tower body 1 through the first notch 4 on the surface of the gas distribution plate 3;
s2: the waste gas in the gas distribution plate 3 diffuses upwards and is transported into the top plate 51 through the connecting pipe 53 in the bottom plate 52, the impurities in the waste gas are adsorbed by the activated carbon in the top plate 51, and after the adsorption action of the three layers of activated carbon, the treated waste gas is collected from the gas outlet by the pump at the upper layer of the adsorption tower;
s3: after the activated carbon in the top plate 51 is saturated, the exhaust hole is opened and the air suction port and the air outlet are closed, the controller controls the high-temperature instrument to introduce high-temperature gas into the bottom plate 52, so that the high-temperature gas drives the movable block 55 to move upwards through the first pipeline 54, the movable block 55 overturns the activated carbon, and the high-temperature gas contacts the surfaces of the activated carbon of different layers through the third notch 541 on the surface of the first pipeline 54;
s4: when the high-temperature gas passes through the surface of the activated carbon, the high-temperature gas drives the impurities adsorbed on the surface of the activated carbon, and then the controller controls the fan to rotate, so that the high-temperature gas containing the impurities moves leftwards and is collected through the exhaust holes, and the saturation phenomenon of the activated carbon is eliminated.
The specific working process is as follows:
firstly, a power switch is switched on, the exhaust hole is closed, the air inlet and the air outlet are opened, the switch of the adsorption tower is started, the controller controls the pump at the air inlet to suck the pretreated and dried waste gas into the tower body 1, the waste gas enters the gas distribution plate 3 along the vent pipe 2, when the waste gas flows in the gas distribution plate 3, the first notches 4 are uniformly distributed on the upper surface of the gas distribution plate 3, and the inner wall of the first notch 4 is provided with a blocking plate 41, the caliber of a second notch 42 on the surface of the blocking plate 41 is gradually increased along the axial edge of the center of the vent pipe 2, the blocking plate 41 enables the waste gas to uniformly pass through the port of the first notch 4 through the second notch 42, the contact area of the waste gas and the active carbon in the bearing layer 5 is increased, when the waste gas passes through the activated carbon, the activated carbon can adsorb impurities in the waste gas, and the purified waste gas is collected outside the tower body 1 through the pump at the gas outlet; secondly, close air inlet and gas outlet and open the exhaust hole, carry high-temperature gas to bottom plate 52 inside through external air pump, make high-temperature gas flow in bottom plate 52 inside and drive movable block 55 rebound through a notch 4, thereby make movable block 55 extrude the active carbon to both sides, high-temperature gas will contact with the active carbon of both sides through No. three notches 541 that pipeline 54 evenly set up on the surface simultaneously, make high-temperature gas directly carry out the desorption processing with the active carbon of different levels through No. three notches 541, open the fan on tower body 1 right side simultaneously and start, make the inside both sides of tower body 1 department be in not enclosure space, the fan will make high-temperature gas take desorption impurity to transport the tower body 1 outside from the exhaust hole.
The front, the back, the left, the right, the upper and the lower are all based on the figure 2 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Claims (10)
1. The purification equipment comprises an adsorption tower, wherein the surface of the adsorption tower is provided with an air inlet, an air outlet, exhaust holes and a fan, the air inlet is arranged at the bottom of the adsorption tower, the air outlet is arranged at the upper part of the adsorption tower, the exhaust holes are uniformly distributed on the left side of the adsorption tower, and the fan is uniformly distributed on the right side of the adsorption tower; characterized in that the adsorption column comprises:
a tower body (1);
the air pipe (2) is arranged at the bottom of the tower body (1), is connected with the air inlet port and is used for conveying waste gas materials to the interior of the tower body (1);
the gas distribution plate (3) is arranged on the upper part of the vent pipe (2), the edge part of the gas distribution plate (3) is connected with the inner wall of the tower body (1), the inside of the gas distribution plate (3) is hollow, and the inside of the gas distribution plate (3) is communicated with the vent pipe (2) and used for distributing waste gas materials in the tower body (1);
the first notches (4) are uniformly distributed on the upper surface of the gas distribution plate (3);
accept layer (5), accept layer (5) evenly distributed be in on the inner wall in the middle of tower body (1) is inside, it has active carbon to accept inside packing of layer (5) for purify the waste gas through accepting layer (5) in tower body (1).
2. The activated carbon high-efficiency purification equipment as claimed in claim 1, wherein: the inner wall of the gas distribution plate (3) is movably connected with an arc-shaped block (31) at the position right facing the breather pipe (2).
3. The activated carbon high-efficiency purification equipment as claimed in claim 2, wherein: divide gas board (3) inside and be located No. one notch (4) inner wall installs barrier plate (41), barrier plate (41) have seted up No. two notches (42) on the surface, just No. two notch (42) aperture size is directly proportional with the interval size to breather pipe (2) center pin.
4. The activated carbon high-efficiency purification equipment as claimed in claim 3, wherein: the cross section of the blocking plate (41) is arc-shaped.
5. The activated carbon high-efficiency purification equipment as claimed in claim 1, wherein: the receiving layer (5) comprises:
the top plate (51), the top plate (51) is positioned inside the tower body (1), and the end part of the top plate (51) is movably connected with the inner wall of the tower body (1); through holes are uniformly formed in the top plate (51), and a screen is covered on the upper surface of the top plate (51);
the bottom plate (52), the bottom plate (52) is installed at the bottom of the top plate (51), and the gap area between the bottom plate (52) and the top plate (51) is filled with activated carbon; the bottom plate (52) is hollow, and a right end port of the bottom plate (52) is communicated with the outside so as to introduce high-temperature gas into the hollow part in the bottom plate (52);
the connecting pipe (53), the connecting pipe 53 is installed on the bottom plate (52), the top of the connecting pipe (53) extends into the gap between the top plate (51) and the bottom plate (52), and the bottom of the connecting pipe (53) extends into the area below the bottom plate (52) so as to guide the exhaust gas close to the bottom plate (52) into the gap between the top plate (51) and the bottom plate (52);
the first pipeline (54) is arranged on the top plate (51) and positioned between the connecting pipes (53) and is in sliding connection with the top plate (51), the bottom of the first pipeline (54) extends into the hollow part inside the bottom plate (52), and the top of the first pipeline (54) is closed and extends into a gap between the top plate (51) and the bottom plate (52);
the third notch (541) is formed in the position, close to the top, of the side wall of the first pipeline (54) and used for diffusing high-temperature gas to two sides;
and the movable block (55) is arranged on the upper surface of the top of the first pipeline (54) and is connected with the upper surface of the top plate (51) through a spring.
6. The activated carbon high-efficiency purification equipment as claimed in claim 5, wherein: the gauze is installed at the upper end port of the connecting pipe (53), and the cross section of the two end ports of the connecting pipe (53) is conical.
7. The activated carbon high-efficiency purification equipment as claimed in claim 6, wherein: the port of the top of the first pipeline (54) is closed, three notches (541) are uniformly formed in the surfaces of two sides of the first pipeline (54), and the three notches (541) located at the bottom end of the first pipeline (54) are arranged to be conical openings.
8. The activated carbon high-efficiency purification equipment as claimed in claim 7, wherein: the outer side surface of the movable block (55) is arc-shaped, and the bottom end of the first pipeline (54) is horn-shaped.
9. The activated carbon high-efficiency purification equipment as claimed in claim 9, wherein: the distance between the bottom of the first pipeline (54) and the top of the movable block (55) is smaller than the distance between the top plate (51) and the bottom plate (52).
10. An efficient purification method of activated carbon is characterized in that: the method is suitable for the activated carbon high-efficiency purification equipment of any one of the claims 1 to 9, and comprises the following steps:
s1: switching on a power supply, closing an exhaust port, opening an air suction port and an air outlet, starting a switch of the adsorption tower, enabling a controller to control a pump at the air inlet, sucking the pretreated and dried waste gas into the adsorption tower from the air inlet, enabling the waste gas to enter a gas distribution plate (3) along a vent pipe (2), and enabling the waste gas to be uniformly distributed upwards in the tower body (1) through a first notch (4) on the surface of the gas distribution plate (3);
s2: the waste gas in the gas distribution plate (3) diffuses upwards and is transported into the top plate (51) through a connecting pipe (53) in the bottom plate (52), the activated carbon in the top plate (51) adsorbs impurities in the waste gas, and after adsorption of three layers of activated carbon, a pump on the upper layer of the adsorption tower collects the treated waste gas from a gas outlet;
s3: after activated carbon in the top plate (51) is saturated, opening the exhaust port and closing the air suction port and the air outlet, controlling a high-temperature instrument to introduce high-temperature gas into the bottom plate (52) by the controller, enabling the high-temperature gas to drive the movable block (55) to move upwards through the first pipeline (54), enabling the movable block (55) to turn over the activated carbon, and enabling the high-temperature gas to contact the surfaces of the activated carbon on different layers through a third notch (541) on the surface of the first pipeline (54);
s4: when the high-temperature gas passes through the surface of the activated carbon, the high-temperature gas drives the impurities adsorbed on the surface of the activated carbon, and then the controller controls the fan to rotate, so that the high-temperature gas containing the impurities moves leftwards and is collected through the exhaust port, and the saturation phenomenon of the activated carbon is eliminated.
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| CN201058269Y (en) * | 2007-07-03 | 2008-05-14 | 天津美科泰化工科技有限公司 | High-efficiency dead plate type adsorbent bed with gas redistribution device |
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| CN110201484A (en) * | 2019-05-25 | 2019-09-06 | 江苏天宇石化冶金设备有限公司 | A kind of regenerating active carbon adsorption system that organic pollutant is effectively reduced |
| CN211635883U (en) * | 2019-12-24 | 2020-10-09 | 怀来华昌气分化工设备有限公司 | Nitrogen making adsorption tower |
| CN113280583A (en) * | 2021-06-10 | 2021-08-20 | 南京知一开物科技有限公司 | Freeze drying method and apparatus |
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- 2021-11-16 CN CN202111352150.5A patent/CN114146529A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201058269Y (en) * | 2007-07-03 | 2008-05-14 | 天津美科泰化工科技有限公司 | High-efficiency dead plate type adsorbent bed with gas redistribution device |
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| CN110201484A (en) * | 2019-05-25 | 2019-09-06 | 江苏天宇石化冶金设备有限公司 | A kind of regenerating active carbon adsorption system that organic pollutant is effectively reduced |
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