CN112546805A - Oily sewage material tail gas treatment device - Google Patents
Oily sewage material tail gas treatment device Download PDFInfo
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- CN112546805A CN112546805A CN202011292827.6A CN202011292827A CN112546805A CN 112546805 A CN112546805 A CN 112546805A CN 202011292827 A CN202011292827 A CN 202011292827A CN 112546805 A CN112546805 A CN 112546805A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from 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
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/206—Organic halogen compounds
- B01D2257/2064—Chlorine
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- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
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Abstract
The invention relates to the field of tail gas treatment devices, and discloses an oil-containing pollutant tail gas treatment device which comprises a heat recovery device for carrying out heat collection on high-temperature tail gas, an active carbon adsorption device for removing harmful substances in the tail gas and a dust removal device for filtering particle dust in the tail gas, wherein the active carbon adsorption device comprises an adsorption chamber, and an active carbon graded adsorption device is arranged in the adsorption chamber, the active carbon graded adsorption device is used for adsorbing harmful substances such as dioxin and the like in the tail gas, the active carbon graded adsorption device drives an annular conveying belt to circularly rotate along the vertical direction by using the gas pressure of a gas inlet so as to drive a partition board to circularly move to stir powdery active carbon at the bottom of the adsorption chamber, so that the active carbon on the partition board is continuously updated in the circulating motion process, and the contact surface between the gas and the active carbon is improved, the contact time of the gas and the active carbon is prolonged, the adsorption effect of the active carbon is better exerted, and the gas purification effect is better.
Description
Technical Field
The invention relates to the technical field of tail gas treatment devices, in particular to a tail gas treatment device for oil-containing sewage materials.
Background
The pop can is taken as a common aluminum container and is widely applied in daily life of people, the recovered waste pop can in urban garbage occupies a considerable proportion, at present, the aluminum in the pop can is recovered by adopting a method of completely remelting the recovered waste pop can so as to realize the recovery and utilization of the waste aluminum, the method of completely remelting is to firstly crush the waste pop can, carry out high-temperature melting on the crushed pop can, the process of the high-temperature melting is to place the pop can in a vacuum furnace to heat the pop can to a certain temperature so as to melt the pop can into an aluminum product containing a small amount of alloy, however, the recovered aluminum pop can is easily polluted by oil, the inner surface and the outer surface of the can body are coated with 3.2-7.0% of paint layers, the main components of the oil stain and the paint layers are organic hydrocarbons, the hydrocarbons react with oxygen after heating, and a large amount of waste gas containing harmful gases such as dioxin is easily generated, if the waste water is directly discharged, the environment is seriously polluted.
The dioxin removing devices in the current market all adopt an activated carbon adsorption mode, but in the actual use process, the existing dioxin removing device quantitatively sends powdery active carbon into a smoke tube in front of a bag-type dust remover in a pneumatic conveying mode, the mixing condition of the active carbon sprayed into a flue and smoke has poor effect, the efficiency of removing dioxin is low, but if the mixing area is too large, the activated carbon can be deposited, the gas and the activated carbon powder are not fully mixed, the application of the internal space of the equipment is not full, the effect of removing dioxin is not good, the rest powder and dust which do not participate in the treatment enter the air again to pollute the environment, in addition, oily steam may exist in the waste gas generated in the high-temperature melting process of the pop-top can stained with oil, and when the oily steam is contacted with the activated carbon, the oily steam is adhered to the surface of the activated carbon, so that the activated carbon cannot be contacted with the waste gas, and the adsorption effect is poor.
The invention discloses a method for recycling pop cans by using a vacuum furnace, which is characterized in that the pop cans are placed in the vacuum furnace to be heated to a certain temperature, then the pop cans are melted into aluminum alloy products, organic matters doped in the pop cans are burnt into smoke and discharged into the atmosphere through the vacuum pipeline in the melting process, and toxic gases such as dioxin in the smoke are not treated, so that the environment is polluted.
The invention patent with application publication number CN109316898A discloses equipment and an activated carbon adsorption box for waste gas treatment, wherein an activated carbon adsorption layer in an adsorption box body adopts a tree-shaped baffling mode, under the condition of the same size, the filtration area is greatly increased, and the air volume of the equipment is improved, but the invention has the following defects: the activated carbon adsorption unit is easy to saturate or agglomerate after adsorbing for a period of time, so that the adsorption effect can be gradually deteriorated until harmful gases such as dioxin can not be adsorbed, frequent replacement is needed, and the activated carbon adsorption in the equipment is very inconvenient to replace.
Disclosure of Invention
The invention aims to provide a device for treating oil-containing sewage tail gas, which has the advantages of high energy utilization rate and good gas purification effect.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an oily filth material tail gas processing apparatus, is including being arranged in carrying out the heat recovery device of heat collection to high temperature tail gas, the active carbon adsorption device who is arranged in getting rid of tail gas harmful substance and being arranged in carrying out filterable dust collector to granule dust in the tail gas, heat recovery device, active carbon adsorption device and dust collector connect gradually, active carbon adsorption device includes the adsorption chamber, one side of adsorption chamber is equipped with the air inlet of being connected with heat recovery device, the opposite side of adsorption chamber is equipped with the gas outlet of being connected with dust collector, the inside of adsorption chamber is equipped with the hierarchical adsorption equipment of active carbon.
By adopting the technical scheme, the heat recovery device collects the heat in the high-temperature tail gas, so that the temperature of the high-temperature tail gas is reduced, the influence of the high-temperature tail gas on the environment temperature is avoided, meanwhile, the utilization rate of energy is further improved by recycling the heat energy in the tail gas, and the waste of the energy is reduced; in addition, the active carbon grading adsorption device in the active carbon adsorption device adsorbs harmful substances such as dioxin in tail gas in a grading mode, so that the adsorption efficiency is high, and the adsorption effect is good.
The invention is further provided with: the active carbon graded adsorption device comprises a plurality of baffles connected in series, the inner cavity of the adsorption chamber is divided into a plurality of relatively independent cavities by the baffles, one end of each baffle is installed on the annular conveyor belt, the other end of each baffle is in contact with the inner wall of the adsorption chamber, and the annular conveyor belt circularly rotates along the vertical direction.
Through adopting above-mentioned technical scheme, the baffle is as the bearing part of powdered activated carbon on the one hand, on the other hand is as the partition part of each independent cavity of adsorption chamber, the inner chamber of adsorption chamber is separated and is formed multistage absorption chamber behind a plurality of independent cavities, make the gas that gets into in the adsorption chamber be separated in multistage absorption chamber, gas can fully contact with the powdered activated carbon on the baffle in the cavity, and simultaneously, the baffle still promotes the gas in each cavity and rotates to gas outlet exhaust power receiving part along with the endless conveyor belt circulation, gas is from getting into the discharge, whole in-process gas is longer with the contact time of activated carbon, adsorb more thoroughly.
The invention is further provided with: the annular conveyer belt passes through first pivot and the tensioning of second pivot, first pivot and second pivot are located same vertical plane, and install respectively on the adsorption chamber inner wall at both ends.
Through adopting above-mentioned technical scheme, first pivot and second pivot are located same vertical plane, make endless conveyor belt can rotate along vertical direction circulation, can stir the powdered activated carbon that lies in the adsorption chamber bottom when the baffle on endless conveyor belt moves the adsorption chamber bottom, activated carbon adsorption effect after the intensive mixing is better, and the activated carbon that is followed the continuous motion of baffle by the intensive mixing, the tiling is at the upper surface of baffle, the shape adsorbed layer, when the activated carbon moves gradually to the gas outlet along with the baffle, the activated carbon on the baffle falls into the adsorption chamber bottom and carries out the mixing stirring with bottom activated carbon, the activated carbon on the baffle is constantly updated, guarantee that the adsorption effect of activated carbon is the best in every independent cavity.
The invention is further provided with: the air inlet passes through connecting device and is connected with heat reclamation device, connecting device includes the first interface of being connected with heat reclamation device and the second interface of being connected with activated carbon adsorption device, airflow channel intercommunication is passed through to first interface and second interface, airflow channel includes entry section and export section, the entry section is located first interface, the export section is located the second interface, the sectional area of entry section is greater than the sectional area of export section.
Through adopting above-mentioned technical scheme, connecting device is used for being connected heat recovery unit and active carbon adsorption device, tail gas after the cooling treatment among the heat recovery unit gets into by first interface behind airflow channel by the discharge of second interface entering active carbon adsorption device, because airflow channel enters the sectional area of section and is greater than the sectional area of export section, gaseous atmospheric pressure can increase when getting into airflow channel back discharge, gaseous after the atmospheric pressure increase is stronger to the drive power of baffle, can promote the baffle better and overcome the resistance and drive endless conveyor belt circulation rotation.
The invention is further provided with: a plurality of grooves are uniformly distributed on the upper surface and the lower surface of the partition plate.
Through adopting above-mentioned technical scheme, there are a plurality of recesses at baffle along endless conveyor belt direction of motion equipartition one side, guarantee that the baffle stirs the back to active carbon from the adsorption chamber bottom, active carbon can be along with the continuation motion of baffle to the tiling is at the upper surface of baffle, the shape adsorbed layer, the equipartition recess makes active carbon evenly tile in the surface of baffle, prevents active carbon landing from the baffle, causes the active carbon less or the uneven distribution on the baffle, thereby influences adsorption effect.
The invention is further provided with: the cross-section of the groove on the partition board is in a sawtooth shape, and the bottom of the sawtooth shape inclines towards one side of the partition board contacted with the inner wall of the adsorption chamber.
Through adopting above-mentioned technical scheme, set up the recess into cockscomb structure and cockscomb structure bottom towards the one side slope of the inner wall contact of baffle and adsorption chamber, can further block the landing of active carbon, the tiling effect of active carbon is better.
The invention is further provided with: the bottom of the adsorption chamber is provided with a vibration plate, the vibration plate is made of elastic materials, and the upper surface of the vibration plate is provided with a plurality of point-shaped bulges.
Through adopting above-mentioned technical scheme, after the baffle moved the bottom to the adsorption chamber, activated carbon on the baffle mixes with the baffle separation and with the activated carbon of adsorption chamber bottom under the action of gravity, and the baffle contacts the back with the vibration board, and the point form is protruding to make the baffle produce slight vibration on the vibration board, makes the activated carbon in the recess on the baffle fully drop, prevents that the activated carbon adhesion from causing on the baffle to mix unevenly.
The invention is further provided with: the top of the adsorption chamber is provided with an activated carbon adding port, the bottom of the adsorption chamber is provided with an activated carbon discharging port, and the activated carbon adding port and the activated carbon discharging port are both provided with sealing valves.
Through adopting above-mentioned technical scheme, activated carbon adds mouth and activated carbon discharge port and is used for changing or adding the activated carbon in the adsorption chamber, guarantees to keep good adsorption effect all the time in the adsorption chamber, changes or adds through sealing valve, convenient operation, and is efficient.
The invention is further provided with: the heat recovery device comprises a sealing cavity, the sealing cavity is communicated with an oil-containing sewage tail gas pipeline, a circulating pipeline is arranged in the sealing cavity, one end of the circulating pipeline is connected with a water supply pipeline, the other end of the circulating pipeline is connected with a hot water tank, the top of the hot water tank is connected with a steam generator through a steam discharge valve, the bottom of the hot water tank is connected with the hot water discharge pipeline through a hot water discharge valve, and a liquid level sensor used for controlling the water quantity in the hot water tank is arranged inside the hot water tank.
Through adopting above-mentioned technical scheme, the tail gas of high temperature carries out the heat exchange with the water in the sealed intracavity circulating line behind getting into sealed chamber by oily filth material tail gas pipeline, the heat in the tail gas is taken away rapidly to water in the circulating line, partly is used for the electricity generation, partly storage is reserve in hot water, heat recovery unit makes the temperature of high temperature tail gas descend on the one hand, avoided high temperature tail gas to cause the influence to ambient temperature, on the other hand carries out recycle to the heat energy in the tail gas, the utilization ratio of the energy has been improved, the waste of the energy has been reduced.
The invention has the beneficial effects that:
1. the active carbon grading adsorption device in the active carbon adsorption device adsorbs harmful substances such as dioxin in tail gas in a grading mode, the adsorption efficiency is high, the adsorption effect is good, a partition plate in the active carbon grading adsorption device is used as a bearing part of powdery active carbon on one hand and a partition part of each independent cavity of an adsorption chamber on the other hand, an inner cavity of the adsorption chamber is partitioned into a plurality of independent cavities to form a multistage adsorption cavity, gas entering the adsorption chamber is partitioned into the multistage adsorption cavity and can be fully contacted with the powdery active carbon on the partition plate in the cavity, meanwhile, the gas pressure of a gas inlet is used for pushing the partition plate to drive an annular conveying belt to circularly rotate along the vertical direction, so that the partition plate is driven to circularly move to stir the powdery active carbon at the bottom of the adsorption chamber, and the active carbon on the partition plate is continuously updated in the circulating movement process, the contact surface of the gas and the active carbon is improved, the contact time of the gas and the active carbon is prolonged, the adsorption effect of the active carbon is better exerted, and the gas purification effect is better.
2. According to the invention, the annular conveying belt is driven by the gas pressure of the gas inlet to circularly rotate along the vertical direction, the annular conveying belt drives the partition board to circularly move, and the powdery active carbon at the bottom of the adsorption chamber is stirred by the annular conveying belt, so that the active carbon cannot agglomerate and can be fully utilized, the adsorption effect is better, meanwhile, the fully stirred active carbon can continuously move along with the partition board and is tiled on the upper surface of the partition board to form a new adsorption layer, after the new adsorption layer moves to the gas inlet along with the partition board and is filled with gas, the new adsorption layer gradually moves to the gas outlet along with the annular conveying belt, the active carbon on the partition board falls into the bottom of the adsorption chamber under the action of gravity to be mixed and stirred with the active carbon at the bottom again, the active carbon on the partition board is continuously updated, and the operation is repeated, and.
3. According to the invention, the heat in the high-temperature tail gas is collected through the heat recovery device, so that the temperature of the high-temperature tail gas is reduced, the influence of the high-temperature tail gas on the environment temperature is avoided, meanwhile, the utilization rate of energy is further improved by recycling the heat in the tail gas, and the waste of the energy is reduced.
4. According to the invention, the grooves are uniformly distributed on one surface of the partition plate along the movement direction of the annular conveying belt, so that after the partition plate stirs the activated carbon from the bottom of the adsorption chamber, the activated carbon can move along with the continuous movement of the partition plate and is flatly laid on the upper surface of the partition plate to form the adsorption layer, the uniformly distributed grooves can enable the activated carbon to be flatly laid on the surface of the partition plate uniformly, the activated carbon is prevented from falling off from the partition plate, the activated carbon on the partition plate is less or unevenly distributed, the adsorption effect is influenced, in addition, the grooves are arranged to be zigzag, the bottom of the zigzag inclines towards one side of the partition plate, which is in contact with the inner wall of the adsorption chamber, the falling of the activated.
5. According to the active carbon adsorption device, the vibrating plate is arranged at the bottom of the adsorption chamber, after the partition plate moves to the bottom of the adsorption chamber, the active carbon on the partition plate is separated from the partition plate under the action of gravity and is mixed with the active carbon at the bottom of the adsorption chamber, and after the partition plate is contacted with the vibrating plate, the point-shaped bulges on the vibrating plate enable the partition plate to slightly vibrate, so that the active carbon in the grooves on the partition plate fully falls off, and the problem of uneven mixing caused by the fact that the active carbon is adhered to the partition plate is effectively prevented.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an apparatus for treating oil-containing waste tail gas according to the present invention.
FIG. 2 is a schematic sectional view of an activated carbon adsorption apparatus according to the present invention.
Fig. 3 is a partially enlarged view of a in fig. 2.
Fig. 4 is a schematic view showing the internal structure of the sealed chamber in the heat recovery device of the present invention.
Fig. 5 is a schematic view of the structure of the vibrating plate in the present invention.
Fig. 6 is a partial sectional view of a separator plate according to the present invention.
In the figure, 1, a heat recovery device; 11. sealing the cavity; 12. a circulation pipe; 13. a water supply pipeline; 14. a hot water tank; 15. a steam discharge valve; 16. a hot water discharge valve; 17. a hot water discharge pipe; 18. a liquid level sensor; 2. an activated carbon adsorption unit; 21. an adsorption chamber; 22. activated carbon; 23. an air inlet; 24. an air outlet; 25. an activated carbon graded adsorption device; 251. a partition plate; 252. a cavity; 253. an endless conveyor belt; 254. a first rotating shaft; 255. a second rotating shaft; 26. a connecting device; 261. a first interface; 262. a second interface; 263. an air flow channel; 2631. an inlet section; 2632. an outlet section; 27. a vibrating plate; 28. an activated carbon addition port; 29. an activated carbon discharge port; 3. a dust removal device; 4. oil-containing material tail gas pipeline.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Referring to fig. 1 and 2, an oil-containing pollutant tail gas treatment device comprises a heat recovery device 1 for performing heat collection on high-temperature tail gas, an activated carbon adsorption device 2 for removing harmful substances in the tail gas and a dust removal device 3 for filtering particle dust in the tail gas, wherein the heat recovery device 1, the activated carbon adsorption device 2 and the dust removal device 3 are sequentially connected, the heat recovery device 1 collects heat in the high-temperature tail gas, so that the temperature of the high-temperature tail gas is reduced, the influence of the high-temperature tail gas on the environmental temperature is avoided, meanwhile, the utilization rate of energy is further improved by recycling heat in the tail gas, and the waste of the energy is reduced; the activated carbon adsorption device 2 comprises an adsorption chamber 21, powdered activated carbon 22 for adsorbing harmful substances in the tail gas is placed in the adsorption chamber 21, an air inlet 23 connected with the heat recovery device 1 is formed in one side of the adsorption chamber 21, an air outlet 24 connected with the dust removal device 3 is formed in the other side of the adsorption chamber 21, an activated carbon graded adsorption device 25 is arranged in the adsorption chamber 21, and the activated carbon graded adsorption device 25 adsorbs harmful substances such as dioxin in the tail gas in a graded mode, so that the adsorption efficiency is high, and the adsorption effect is good; the dust removing device 3 can be a pulse bag dust remover and is used for further filtering substances such as dust in tail gas and the like so as to further purify the discharged gas.
Specifically, the activated carbon graded adsorption device 25 comprises a plurality of partition plates 251 connected in series, the partition plates 251 divide the inner cavity of the adsorption chamber 21 into a plurality of relatively independent cavities 252, one end of each partition plate 251 is mounted on an annular conveying belt 253, the other end of each partition plate 251 is in contact with the inner wall of the adsorption chamber 21, and the annular conveying belt 253 circularly rotates along the vertical direction; the partition plate 251 is used as a bearing part of the activated carbon 22 on one hand and is used as a separating part of each independent cavity of the adsorption chamber 21 on the other hand, the inner cavity of the adsorption chamber 21 is separated into a plurality of independent cavities to form a multi-stage adsorption cavity, so that the gas entering the adsorption chamber is sequentially separated into the multi-stage adsorption cavities, the gas can be fully contacted with the activated carbon 22 on the partition plate 251 in the adsorption cavity, meanwhile, the partition plate 251 also pushes the gas in each cavity to circularly rotate along with the annular conveying belt 253 to the power receiving part discharged from the gas outlet 24, the gas is discharged from the gas inlet, the contact time of the gas and the activated carbon 22 in the whole process is longer, and the adsorption is more thorough.
Further, as shown in fig. 2, the endless conveyor 253 is tensioned by a first rotating shaft 254 and a second rotating shaft 255, the first rotating shaft 254 and the second rotating shaft 255 are located on the same vertical plane, and both ends of the first rotating shaft 254 and the second rotating shaft 255 are respectively installed on the inner wall of the adsorption chamber 21; the first rotating shaft 254 and the second rotating shaft 255 are located on the same vertical plane, so that the endless conveying belt 253 can rotate circularly along the vertical direction, when the partition plate 251 on the endless conveying belt 253 moves to the bottom of the adsorption chamber 21, the activated carbon 22 located at the bottom of the adsorption chamber 21 can be stirred, the adsorption effect of the fully stirred activated carbon 22 is better, the fully stirred activated carbon 22 moves continuously along with the partition plate 251 and is tiled on the upper surface of the partition plate 251 to form an adsorption layer, when the activated carbon 22 moves gradually to one side of the air outlet 24 along with the partition plate 251, the activated carbon 22 on the partition plate 251 falls into the bottom of the adsorption chamber 21 under the action of gravity to be mixed and stirred with the activated carbon 22 at the bottom, the activated carbon 22 on the partition plate 251 is continuously updated, and the adsorption effect of the activated carbon 22 in each independent cavity is best.
Further, as shown in fig. 2 and 3, the gas inlet 23 is connected to the heat recovery device 1 through a connection device 26, the connection device 26 includes a first interface 261 connected to the heat recovery device 1 and a second interface 262 connected to the activated carbon adsorption device 2, the first interface 261 and the second interface 262 are communicated through a gas flow channel 263, the gas flow channel 263 includes an inlet section 2631 and an outlet section 2632, the inlet section 2631 is located at the first interface 261, the outlet section 2632 is located at the second interface 262, and a cross-sectional area of the inlet section 2631 is larger than a cross-sectional area of the outlet section 2632; the tail gas after the temperature reduction treatment in the heat recovery device 1 enters the gas flow channel 263 from the first interface 261 and is then discharged from the second interface 262 and enters the activated carbon adsorption device 2, because the sectional area of the inlet section 2631 of the gas flow channel 263 is larger than that of the outlet section 2632, the gas pressure can be increased when the gas enters the gas flow channel 263 and is discharged, the driving force of the gas with the increased gas pressure on the partition 251 is stronger, and the partition 251 can be better pushed to overcome the resistance to drive the annular conveying belt 253 to rotate circularly.
Further, the upper and lower surface equipartition of baffle 251 has a plurality of recesses, can guarantee that baffle 251 stirs the back to active carbon 22 from adsorption chamber 21 bottom, active carbon 22 can be along with the continuation motion of baffle 251 to the tiling is at the upper surface form adsorbed layer of baffle 251, and the recess of equipartition makes active carbon 22 evenly tile at the surface of baffle 251, thereby prevents to cause the problem that active carbon 22 is less or distribute unevenly on the baffle 251 because of active carbon 22 landing from baffle 251 influences the adsorption effect.
Further, as shown in fig. 6, the cross section of the groove on the partition 251 is saw-toothed, and the bottom of the saw-toothed is inclined towards the side of the partition 251 contacting with the inner wall of the adsorption chamber 21; the groove is arranged to be serrated, the bottom of the serration inclines towards one side of the contact between the partition board 251 and the inner wall of the adsorption chamber 21, the activated carbon 22 can be further prevented from sliding off, and the tiling effect of the activated carbon 22 is better.
Further, as shown in fig. 2 and 5, a vibration plate 27 is disposed at the bottom of the adsorption chamber 21, the vibration plate 27 is made of an elastic material, and a plurality of dot-shaped protrusions are disposed on the upper surface of the vibration plate 27; after the partition 251 moves to the bottom of the adsorption chamber 21, the activated carbon 22 on the partition 251 is separated from the partition 251 under the action of gravity and is mixed with the activated carbon 22 at the bottom of the adsorption chamber 21, and after the partition 251 contacts the vibration plate 27, the point-shaped protrusions on the vibration plate 27 enable the partition 251 to slightly vibrate, so that the activated carbon 22 in the grooves on the partition 251 falls off fully, and the problem of uneven mixing caused by the fact that the activated carbon 22 is adhered to the partition 251 is solved.
Further, as shown in fig. 1 and fig. 2, an activated carbon adding port 28 is arranged at the top of the adsorption chamber 21, an activated carbon discharging port 29 is arranged at the bottom of the adsorption chamber 21, and both the activated carbon adding port 28 and the activated carbon discharging port 29 are provided with sealing valves; the activated carbon adding port 28 and the activated carbon discharging port 29 are used for replacing or adding the activated carbon 22 in the adsorption chamber 21, so that a good adsorption effect is always kept in the adsorption chamber 21, and replacement or addition is performed through a sealing valve, so that the operation is convenient, and the efficiency is high.
Specifically, as shown in fig. 1 and 4, the heat recovery device 1 includes a sealed cavity 11, the sealed cavity 11 is communicated with an oil-containing waste material tail gas pipeline, a circulation pipeline 12 is arranged in the sealed cavity 11, one end of the circulation pipeline 12 is connected with a water supply pipeline 13, the other end of the circulation pipeline 12 is connected with a hot water tank 14, the top of the hot water tank 14 is connected with a steam generator through a steam discharge valve 15, the bottom of the hot water tank 14 is connected with a hot water discharge pipeline 17 through a hot water discharge valve 16, and a liquid level sensor 18 for controlling the amount of water in the hot water tank 14 is arranged in the hot water tank 14; high-temperature tail gas enters the sealed cavity 11 through the tail gas pipeline 4 containing oil dirt materials and then exchanges heat with water in the circulating pipeline 12 in the sealed cavity 11, the heat in the tail gas is rapidly taken away by the water in the circulating pipeline 12, the tail gas is rapidly cooled, meanwhile, the water in the circulating pipeline 12 enters the hot water tank 14 after absorbing the heat, a part of water after absorbing the heat is vaporized into water vapor, the water vapor is discharged through the steam discharge valve 15 at the top of the hot water tank 14 and drives the steam generator to generate electricity, hot water is remained in the hot water tank 14, and when the liquid level in the hot water tank 14 reaches the water level set by the liquid level sensor 18 or hot water needs to be used, the hot water discharge valve 16 is opened.
The working principle of the invention is as follows: according to the invention, heat in high-temperature tail gas is collected through the heat recovery device 1, so that the temperature of the high-temperature tail gas is reduced, the cooled tail gas enters the activated carbon adsorption device 2 to adsorb harmful substances such as dioxin and the like in the tail gas, the activated carbon graded adsorption device 25 in the activated carbon adsorption device 2 separates gas and activated carbon 22 into a plurality of adsorption cavities in circular motion, the gas can be fully contacted with the activated carbon 22 on the partition plates 251 in the adsorption cavities, the gas gradually moves to the gas outlet 24 from the annular conveying belt 253 which moves along with the circular motion after entering, the contact time of the gas and the activated carbon 22 is longer, the adsorption is more thorough, the adsorption efficiency is high, and the adsorption effect is good; the gas discharged from the gas outlet 24 is further filtered in the dust removing device 3, so that the discharged gas is further purified.
Claims (9)
1. The utility model provides an oily filth tail gas processing apparatus, is including heat recovery device (1) that is arranged in carrying out heat collection to high temperature tail gas, active carbon adsorption device (2) that are arranged in getting rid of harmful substance in the tail gas and be arranged in carrying out filterable dust collector (3) to granule dust in the tail gas, heat recovery device (1), active carbon adsorption device (2) and dust collector (3) connect gradually, its characterized in that, active carbon adsorption device (2) are including adsorption chamber (21), one side of adsorption chamber (21) is equipped with air inlet (23) of being connected with heat recovery device (1), the opposite side of adsorption chamber (21) is equipped with gas outlet (24) of being connected with dust collector (3), the inside of adsorption chamber (21) is equipped with hierarchical adsorption equipment (25) of active carbon.
2. The oil-containing sewage tail gas treatment device according to claim 1, characterized in that: the active carbon grading adsorption device (25) comprises a plurality of partition plates (251) which are connected in series, the partition plates (251) divide an inner cavity of an adsorption chamber (21) into a plurality of relatively independent cavities (252), one end of each partition plate (251) is installed on an annular conveying belt (253), the other end of each partition plate (251) is in contact with the inner wall of the adsorption chamber (21), and the annular conveying belt (253) rotates circularly in the vertical direction.
3. The oil-containing sewage tail gas treatment device according to claim 2, characterized in that: the annular conveying belt (253) is tensioned through a first rotating shaft (254) and a second rotating shaft (255), the first rotating shaft (254) and the second rotating shaft (255) are located on the same vertical plane, and two ends of the first rotating shaft (254) and two ends of the second rotating shaft (255) are respectively installed on the inner wall of the adsorption chamber (21).
4. The oil-containing sewage tail gas treatment device according to claim 1, characterized in that: the gas inlet (23) is connected with the heat recovery device (1) through a connecting device (26), the connecting device (26) comprises a first interface (261) connected with the heat recovery device (1) and a second interface (262) connected with the activated carbon adsorption device (2), the first interface (261) and the second interface (262) are communicated through a gas flow channel (263), the gas flow channel (263) comprises an inlet section (2631) and an outlet section (2632), the inlet section (2631) is located at the first interface (261), the outlet section (2632) is located at the second interface (262), and the sectional area of the inlet section (2631) is larger than that of the outlet section (2632).
5. The oil-containing sewage tail gas treatment device according to claim 2, characterized in that: the upper surface and the lower surface of the clapboard (251) are uniformly provided with a plurality of grooves.
6. The oil-containing sewage tail gas treatment device according to claim 5, wherein: the section of the groove on the partition plate (251) is in a sawtooth shape, and the bottom of the sawtooth shape inclines towards one side of the partition plate (251) contacted with the inner wall of the adsorption chamber (21).
7. The oil-containing sewage tail gas treatment device according to claim 1, characterized in that: the bottom of the adsorption chamber (21) is provided with a vibration plate (27), the vibration plate (27) is made of elastic materials, and the upper surface of the vibration plate (27) is provided with a plurality of point-shaped bulges.
8. The oil-containing sewage tail gas treatment device according to claim 1, characterized in that: the top of the adsorption chamber (21) is provided with an activated carbon adding port (28), the bottom of the adsorption chamber (21) is provided with an activated carbon discharge port (29), and the activated carbon adding port (28) and the activated carbon discharge port (29) are both provided with sealing valves.
9. The oil-containing sewage tail gas treatment device according to claim 1, characterized in that: the heat recovery device (1) comprises a sealing cavity (11), the sealing cavity (11) is communicated with a tail gas pipeline (4) containing oil and dirt materials, a circulating pipeline (12) is arranged in the sealing cavity (11), one end of the circulating pipeline (12) is connected with a water supply pipeline (13), the other end of the circulating pipeline (12) is connected with a hot water tank (14), the top of the hot water tank (14) is connected with a steam generator through a steam discharge valve (15), the bottom of the hot water tank (14) is connected with a hot water discharge pipeline (17) through a hot water discharge valve (16), and a liquid level sensor (18) used for controlling the water amount in the hot water tank (14) is arranged inside the hot water tank (14).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011292827.6A CN112546805A (en) | 2020-11-18 | 2020-11-18 | Oily sewage material tail gas treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011292827.6A CN112546805A (en) | 2020-11-18 | 2020-11-18 | Oily sewage material tail gas treatment device |
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| CN112546805A true CN112546805A (en) | 2021-03-26 |
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| CN202011292827.6A Pending CN112546805A (en) | 2020-11-18 | 2020-11-18 | Oily sewage material tail gas treatment device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008133327A (en) * | 2006-11-27 | 2008-06-12 | Nippon Steel Engineering Co Ltd | Purifying apparatus and purifying method for gasification gas |
| CN106693562A (en) * | 2016-12-02 | 2017-05-24 | 北京神雾环境能源科技集团股份有限公司 | Dioxin removal system and application of dioxin removal system |
| CN207951030U (en) * | 2018-01-23 | 2018-10-12 | 天津城建大学 | A kind of active carbon microwave recovered flue gas purifier |
-
2020
- 2020-11-18 CN CN202011292827.6A patent/CN112546805A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008133327A (en) * | 2006-11-27 | 2008-06-12 | Nippon Steel Engineering Co Ltd | Purifying apparatus and purifying method for gasification gas |
| CN106693562A (en) * | 2016-12-02 | 2017-05-24 | 北京神雾环境能源科技集团股份有限公司 | Dioxin removal system and application of dioxin removal system |
| CN207951030U (en) * | 2018-01-23 | 2018-10-12 | 天津城建大学 | A kind of active carbon microwave recovered flue gas purifier |
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