CN116351198A - Flue gas adsorption device and system with automatic blanking function - Google Patents
Flue gas adsorption device and system with automatic blanking function Download PDFInfo
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- CN116351198A CN116351198A CN202310640165.4A CN202310640165A CN116351198A CN 116351198 A CN116351198 A CN 116351198A CN 202310640165 A CN202310640165 A CN 202310640165A CN 116351198 A CN116351198 A CN 116351198A
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 169
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000003546 flue gas Substances 0.000 title claims abstract description 110
- 238000009423 ventilation Methods 0.000 claims description 130
- 239000003463 adsorbent Substances 0.000 claims description 43
- 238000001816 cooling Methods 0.000 claims description 25
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 229960004424 carbon dioxide Drugs 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012546 transfer Methods 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
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention relates to the technical field of adsorption and purification and discloses a flue gas adsorption device and system with an automatic blanking function. The flue gas adsorption device and system with the automatic blanking function have the advantages of being high in adsorption efficiency and good in adsorption effect.
Description
Technical Field
The invention relates to the technical field of adsorption and purification, in particular to a flue gas adsorption device and a flue gas adsorption system with an automatic blanking function.
Background
In the related art, a flue gas adsorption system generally adopts a fixed bed adsorption tower and a moving bed adsorption tower to adsorb and purify pollutants in flue gas, and is suitable for a large number of flue gas purification scenes, the loading mode of the adsorbent in the adsorption tower generally carries out direct feeding and discharging on adsorbent particles, friction and collision are easy to occur between the adsorbent particles in the feeding and discharging process, the adsorbent particles are broken, a large amount of dust is generated, the flue gas carries the adsorbent dust to be discharged, the loss of the adsorbent is serious, and the purification effect is poor.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the invention provides the flue gas adsorption device with the automatic blanking function, the adsorbent is not required to be replaced through feeding and discharging, and dust and adsorbent loss are reduced.
The invention also provides a flue gas adsorption system with the flue gas adsorption device with the automatic blanking function.
The invention relates to a flue gas adsorption device with an automatic blanking function, which comprises a cylinder body, wherein a cavity is arranged in the cylinder body, and the cylinder body is provided with a flue gas inlet and a flue gas outlet; the multi-layer ventilation plates are arranged in the cavity at intervals along the vertical direction, and blanking ports are formed in each layer of ventilation plates; the adsorption units comprise ventilation shells and adsorbents filled in the ventilation shells, the adsorption units are supported on the ventilation plates, two adjacent layers of ventilation plates comprise an upper layer ventilation plate and a lower layer ventilation plate, and the adsorption units on the upper layer ventilation plate can fall onto the lower layer ventilation plate through blanking openings of the upper layer ventilation plate.
Optionally, a serpentine channel is defined between the multiple layers of ventilation plates, and the adsorption unit supplied into the cylinder from the feed port of the cylinder can slide or roll downwards along the serpentine channel towards the discharge port of the cylinder.
Optionally, an inclined channel is formed between the lower surface of the upper layer ventilation plate and the upper surface of the lower layer ventilation plate in the adjacent ventilation plates, and a plurality of inclined channels are communicated end to end through the blanking port to form the serpentine channel.
Optionally, the ventilation board sets up with the slope of horizontal plane, and the incline direction of the upper ventilation board in two-layer adjacent ventilation board is opposite with the incline direction of lower floor's ventilation board, the blanking mouth is located the lower one side of ventilation board.
Optionally, a blanking door is arranged at the blanking port and used for opening and closing the blanking port.
Optionally, the ventilation plate comprises a plurality of turning plates, and the turning plates are arranged in the cavity in a reversible manner between a first position and a second position, wherein the turning plates are closed to support the adsorption unit in the first position, and the turning plates are opened to form the blanking port in the second position to allow the adsorption unit to fall.
Optionally, the adsorption unit is spherical or cylindrical.
The flue gas adsorption system comprises a flue gas adsorption device with an automatic blanking function, wherein the flue gas adsorption device is the flue gas adsorption device in any embodiment; and the cooling module is used for cooling the flue gas to be adsorbed and purified to room temperature or below, and a cold air outlet of the cooling module is communicated with a flue gas inlet of the flue gas adsorption device.
Optionally, the cooling module is located within the barrel and below the multi-layer air permeable panel.
Optionally, the cooling module is for spraying cooling module, and includes packing layer and coolant liquid spray assembly, the coolant liquid spray assembly be used for to the packing layer sprays the coolant liquid, the coolant liquid is in the packing layer and flue gas direct contact heat transfer, the bottom of barrel is equipped with the coolant liquid export that is used for discharging the coolant liquid that sprays.
According to the flue gas adsorption device and the flue gas adsorption system with the automatic blanking function, the outer side of the adsorbent is coated with the breathable shell to form the adsorption unit, and flue gas can contact with the adsorbent in the adsorption unit through the breathable shell. The ventilation shell also plays a role in protecting the internal adsorbent, avoids the loss of the adsorbent and the generation of dust caused by direct collision of adsorbent particles in the feeding and discharging processes, is beneficial to prolonging the service efficiency of the adsorbent and reduces the adsorption cost.
In addition, a plurality of adsorption units are dispersedly supported on the multi-layer ventilation board, and the blanking mouth of adsorption unit accessible ventilation board falls into on the next floor ventilation board, realizes that adsorption unit gradually or gradually moves down in order until unloading from the discharge opening, can make the dwell time of adsorption unit in the barrel balanced, make full use of adsorption unit adsorbs the flue gas, avoids simultaneously adsorbing saturated adsorption unit's dwell time overlength in the barrel, leads to adsorption efficiency to receive the influence.
Drawings
Fig. 1 is a schematic diagram of a flue gas adsorption system including a flue gas adsorption device with an automatic blanking function according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a flue gas adsorbing system including a flue gas adsorbing device with an automatic blanking function according to another embodiment of the present invention.
Fig. 3 is a schematic view of a flue gas adsorbing system including a flue gas adsorbing device with an automatic blanking function according to yet another embodiment of the present invention.
Reference numerals:
a flue gas adsorbing device 100; a cylinder 110; a flue gas inlet 111; a flue gas outlet 112; a feed port 113; a discharge port 114; a ventilation plate 12; a blanking port 121; an upper surface 1211; a lower surface 1212; serpentine channel 1213; a blanking gate 122; a first flap 1231; a second flap 1232; an adsorption unit 13; a cooling module 200; a coolant spray assembly 210; a filler layer 220; a cooling fluid outlet 230.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The following describes a flue gas adsorbing device 100 with an automatic blanking function according to an embodiment of the present invention with reference to fig. 1 to 3. The flue gas adsorption device 100 with an automatic blanking function comprises a cylinder 110, a multi-layer ventilation plate 12 and a plurality of adsorption units 13.
The cylinder 110 defines a chamber therein, and the cylinder 110 is provided with a flue gas inlet 111 and a flue gas outlet 112. The multi-layer ventilation plates 12 are arranged in the cavity at intervals along the vertical direction, blanking openings 121 are formed in each layer of ventilation plates 12, the flue gas inlet 111 is located below the multi-layer ventilation plates 12, and the flue gas outlet 112 is located above the multi-layer ventilation plates 12.
The adsorption unit 13 includes a ventilation casing (not shown in the figure) and an adsorbent (not shown in the figure) filled in the ventilation casing, the adsorption unit 13 is supported on the ventilation plates 12, two adjacent ventilation plates 12 include an upper ventilation plate and a lower ventilation plate, and the adsorption unit 13 on the upper ventilation plate 12 can fall onto the lower ventilation plate through the blanking port 121 of the upper ventilation plate 12.
The flue gas to be adsorbed, which enters the chamber of the cylinder 110 from the flue gas inlet 111, passes through the multi-layer ventilation plate 12 from bottom to top and contacts with the adsorbent in the adsorption unit 13 supported on the ventilation plate 12, the adsorbent in the adsorption unit 13 adsorbs pollutants in the flue gas, and the flue gas is changed into clean flue gas and is discharged from the flue gas outlet 112 positioned above the ventilation plate 12.
The ventilation plate 12 allows the flue gas to pass through and can support the adsorption unit 13, the adsorption unit 13 can slide along the upper surface of the ventilation plate 12 or roll to the blanking port 121 under the action of gravity or other external force, the adsorption unit 13 falls from the blanking port 121 and falls on the next layer of ventilation plate 12, so that the adsorption unit 13 sequentially passes through the multi-layer ventilation plate 12 from top to bottom through the blanking port 121, in the process, the adsorbent in the adsorption unit 13 gradually adsorbs and saturates, the higher the saturation of the adsorbent in the adsorption unit 13 on the ventilation plate 12 close to the lower layer, the adsorption unit 13 with adsorption and saturation is discharged from the discharge port 114, and the adsorption unit 13 filled with new adsorbent is thrown into the cylinder 100 from the feeding port 113, so that the adsorbent in the adsorption unit 13 in the cylinder 110 can continuously adsorb the flue gas with high efficiency, and the phenomenon of supersaturation of the adsorbent is avoided.
According to the flue gas adsorption device and the flue gas adsorption system with the automatic blanking function, the outer side of the adsorbent is coated with the breathable shell to form the adsorption unit, and flue gas can contact with the adsorbent in the adsorption unit through the breathable shell. The ventilation shell also plays a role in protecting the internal adsorbent, avoids the loss of the adsorbent and the generation of dust caused by direct collision of adsorbent particles in the feeding and discharging processes, is beneficial to prolonging the service efficiency of the adsorbent and reduces the adsorption cost.
In addition, a plurality of adsorption units are dispersedly supported on the multi-layer ventilation board, and the blanking mouth of adsorption unit accessible ventilation board falls into on the next floor ventilation board, realizes that adsorption unit gradually or gradually moves down in order until unloading from the discharge opening, can make the dwell time of adsorption unit in the barrel balanced, make full use of adsorption unit adsorbs the flue gas, avoids simultaneously adsorbing saturated adsorption unit's dwell time overlength in the barrel, leads to adsorption efficiency to receive the influence.
In some embodiments, the top of the cylinder 110 is provided with a feeding port 113, the bottom of the cylinder 110 is provided with a discharging port 114, and the adsorption units 13 fed from the feeding port 113 can sequentially pass through the multi-layer ventilation plate 12 and then be discharged from the discharging port 114.
Specifically, the adsorption unit 13 falls onto the top ventilation plate 12 from the feeding port 113 at the top of the cylinder 110 and is supported by the ventilation plate 12, the adsorption unit 13 on the ventilation plate 12 can fall onto the ventilation plate 12 of the next layer from the blanking port 121 formed on the ventilation plate 12, the adsorption unit 13 is supported by the ventilation plate 12 of the next layer, sequentially passes through the ventilation plates 12 of the multiple layers from top to bottom through the blanking port 121, the adsorbent in the adsorption unit 13 is gradually adsorbed and saturated, and finally is discharged from the discharge port 114 at the bottom of the cylinder 110. The plurality of adsorption units 13 fed into the cylinder 110 through the feed port 113 are partitioned into a plurality of layers by the multi-layer ventilation plate 12.
In some embodiments, as shown in fig. 1, the multi-layered gas permeable plates 12 define a serpentine channel 1213 therebetween, and the adsorption units 13 fed into the cartridge 110 from the feed inlet 113 can slide or roll down the serpentine channel 1213 toward the discharge outlet 114.
In some embodiments, inclined channels are formed between the lower surface 1212 of the upper air-permeable plate 12 and the upper surface 1211 of the lower air-permeable plate 12 of the adjacent air-permeable plates 12, and the plurality of inclined channels communicate end to end through the blanking port 121 to form a serpentine channel 1213.
As an example, as shown in fig. 1, a plurality of ventilation plates 12 are arranged at intervals in the vertical direction, and both the upper surface 1211 and the lower surface 1212 of the ventilation plate 12 are inclined surfaces having an angle with the horizontal plane, and the adsorption unit 13 supported on the ventilation plate 12 may slide or roll down along the inclined upper surface 1211 thereof under the action of its own gravity. The upper surfaces 1211 of the air-permeable panels 12 adjacent in the vertical direction are inclined in opposite directions, as are the lower surfaces 1212 of the air-permeable panels 12 adjacent in the vertical direction. In the adjacent ventilation plates 12, an inclined passage is defined between the lower surface 1212 of the upper ventilation plate 12 and the upper surface 1211 of the lower ventilation plate 12, and the height of the inclined passage is greater than that of the adsorption unit 13.
Each air-permeable panel 12 is provided with a blanking port 121 on the lower side of its upper surface 1211, and a plurality of inclined channels are connected end to end through the blanking port 121 to form a serpentine channel 1213. The upper end of the serpentine 1213 communicates with the feed inlet 113 and the lower end of the serpentine 1213 communicates with the discharge outlet 114. The adsorption unit 13 can move to the discharge port 114 along the serpentine channel 1213 and discharge under the action of gravity after entering the inner cavity of the cylinder 110 from the feed port 113.
After the flue gas to be adsorbed enters the inner cavity of the cylinder 110 from the flue gas inlet 111, the flue gas passes through the plurality of ventilation plates 12 from bottom to top, passes through the ventilation shell of the adsorption unit 13 and is contacted and adsorbed with the adsorbent in the ventilation shell.
The adsorption units 13 in the serpentine 1213, which are saturated by adsorption, are gradually discharged from the discharge port 114, and new adsorption units 13 are introduced through the feed port 113, so that the number of adsorption units 13 in the serpentine 1213 is kept constant. In the process that the adsorption unit 13 moves from top to bottom in the serpentine channel 1213, the adsorption unit 13 only collides with the adsorption units 13 at the front side and the rear side in the moving direction, so that the frequency of collision when the adsorption unit 13 moves in the cylinder 110 is reduced, on one hand, the loss caused by the breakage of the adsorbent in the collision is reduced, on the other hand, dust generated by the collision between the adsorbents is reduced, and the adsorption effect is improved.
In some embodiments, the ventilation plates 12 are disposed obliquely with respect to the horizontal plane, and the oblique direction of the upper ventilation plate 12 is opposite to the oblique direction of the lower ventilation plate 12 in the two adjacent ventilation plates 12, and the blanking port 121 is located on the lower side of the ventilation plate 121.
Further, the blanking port 121 is provided with a blanking door 122, the blanking door 122 is used for opening and closing the blanking port 121, and the blanking door 122 opens the blanking port 121 to discharge the adsorption unit 13 that rolls or slides down along the ventilation plate 12. The blanking gate 122 closes the blanking port 121, and the adsorption unit 13 on the ventilation plate 12 cannot drop onto the ventilation plate 12 on the lower layer.
Specifically, as shown in fig. 2, the ventilation plate 12 is arranged obliquely such that one end of the ventilation plate 12 is lower than the other end of the ventilation plate 12, the plurality of adsorption units 13 are sequentially arranged along the extending direction of the ventilation plate 12, and the blanking port 121 is provided at the lower end of the ventilation plate 12. The blanking door 122 is provided at the blanking port 121, and the blanking door 122 can swing downward to open the blanking port 121, allowing the adsorption unit 13 on the upper surface of the ventilation plate 12 to pass through the blanking port 121 and fall on the ventilation plate 12 on the lower layer. That is, when the blanking door 122 is opened, the adsorption unit 13 on the ventilation plate 12 corresponding to the blanking door 122 falls on the ventilation plate 12 of the lower layer through the blanking port 121 by gravity.
The flue gas adsorption device 100 with automatic blanking function in the embodiment includes the following steps in the adsorption operation:
the blanking door 122 of the ventilation plate 12 is opened, a plurality of adsorption units 13 are thrown into the cylinder through the feeding port 113, and the adsorption units 13 flow among the ventilation plates 12, so that the adsorption units 13 are supported on each layer of ventilation plate 12;
closing the blanking door 122 of the ventilation plate 12, allowing the smoke to flow upwards after entering from the smoke inlet 111, passing through the multi-layer ventilation plate 12, contacting and adsorbing with the adsorbent of the adsorption unit 13, purifying, and discharging the purified smoke from the smoke outlet 112;
after the flue gas with a set volume is adsorbed, the flue gas inlet 111 and the flue gas outlet 112 are closed, the discharge opening 114 is opened to discharge the adsorption units 13 on the lowest layer of the ventilation plates 12, then the blanking doors 122 of the rest of the ventilation plates 12 are sequentially opened from bottom to top, and the adsorption units 13 on the rest of the ventilation plates 12 are discharged to the ventilation plates 12 corresponding to the lower layer;
after the adsorption units 13 on the uppermost ventilation plate 12 fall, all blanking doors 122 are closed, and the feeding openings 113 are opened to feed a set number of adsorption units 13 to the uppermost ventilation plate 12.
The flue gas adsorption device 100 with automatic blanking function of the embodiment separates a plurality of adsorption units 13 through a plurality of ventilation plates 12 to form a plurality of layers of adsorption units 13, and the layers of adsorption units 13 are arranged at intervals from bottom to top so as to adsorb target objects in the flue gas when the flue gas passes through the layers of adsorption units 13 from bottom to top.
After the flue gas with a set volume is adsorbed, the saturation of the adsorption unit 13 at the lower layer is larger, the discharge opening 114 is opened to discharge the adsorption unit 13 at the bottommost layer, the adsorption unit 13 at the upper layer is moved downwards, and the adsorption units 13 which are not adsorbed yet are put into the uppermost layer, so that the overall saturation of the adsorbents of the adsorption units 13 in the cylinder 110 is reduced, the adsorption units 13 in the inner cavity of the cylinder 110 can continuously adsorb the flue gas, the phenomenon of supersaturation of the adsorbents is avoided, and the adsorption effect and adsorption efficiency of the flue gas adsorption device 100 with the automatic blanking function in the embodiment of the invention are improved.
It can be understood that in the flue gas adsorbing device 100 with automatic blanking function of the present embodiment, the plurality of adsorbing units 13 are separated into the plurality of adsorbing units 13 by the plurality of ventilation plates 12, and any one of the adsorbing units 13 collides with the other adsorbing units 13 only when falling through the blanking port, and compared with the feeding and discharging modes in the related art, the collision and friction between the adsorbents are reduced in the flue gas adsorbing device 100 with automatic blanking function of the present embodiment.
In some embodiments, the ventilation plate 12 is divided into several flaps, which are reversibly arranged in the cavity in a first position, in which the flaps are closed to support the suction unit 13, and in a second position, in which the flaps are open to form the blanking mouth 121 to allow the suction unit 13 to fall.
Specifically, as shown in fig. 3, the flaps include a first flap 1231 and a second flap 1232, the first flap 1231 and the second flap 1232 are disposed opposite to each other, the first flap 1231 and the second flap 1232 are disposed inside the cavity in a first position and a second position, the first flap 1231 and the second flap 1232 extend in a horizontal direction, a distance between the free end of the first flap 1231 and the free end of the second flap 1232 is smaller than a minimum size of the suction unit 13, and the free end of the first flap 1231 is turned down, the free end of the second flap 1232 is turned down, such that the distance between the free end of the first flap 1231 and the free end of the second flap 1232 is larger than a maximum size of the suction unit 13, and thus a blanking port 121 is formed between the free end of the first flap 1231 and the free end of the second flap 1232, such that the blanking plate 12 falls from the suction unit 12 to the ventilation plate 12.
Further, the lowest one of the plurality of ventilation plates 12 is arranged obliquely, and the discharge opening 114 is located at one side of the ventilation plate 12, and when the plurality of adsorption units 13 fall on the ventilation plate 12, the plurality of adsorption units 13 are moved to the discharge opening 114 by gravity so as to discharge the plurality of adsorption units 13 on the ventilation plate 12 when the discharge opening 114 is opened.
In some embodiments, the adsorption unit 13 is spherical.
In other embodiments, the adsorption unit 13 has a cylindrical shape, and the central axis of the adsorption unit 13 is parallel to the upper surface of the ventilation plate 12.
Specifically, the shape of the ventilation casing of the adsorption unit 13 is the shape of the adsorption unit 13, and the shape of the adsorption unit 13 is a sphere, a cylinder or other rotating body, so that the adsorption unit 13 can roll along the ventilation plate 12 arranged obliquely under the action of gravity, and the central axis of the adsorption unit 13 is the rotation axis when the adsorption unit 13 rolls along the ventilation plate 12.
In some embodiments, the ventilation board 12 has a layer of adsorption units 13 supported thereon.
Specifically, the plurality of adsorption units 13 are divided into a plurality of adsorption units 13 by the plurality of ventilation plates 12, and only one adsorption unit 13 is provided on any one ventilation plate 12 at any time. The adsorption units 13 are orderly arranged and moved, and collide with other adsorption units 13 only when falling through the blanking port 121, so that the adsorption units 13 are prevented from being stacked to increase collision and friction between the adsorption units 13.
Alternatively, the overall height of the flue gas adsorbing device 100 is 3m to 20m.
Further alternatively, the flue gas adsorbing device 100 has a footprint of 2 to 10 square meters.
The basic principle of the flue gas low-temperature adsorbent is to remove pollutant components from low-temperature flue gas through adsorption of the adsorbent. The inventors have found that in a low-temperature environment, usually at room temperature or lower, preferably at zero degrees celsius or lower, nitrogen oxides in flue gas undergo a low-temperature oxidation adsorption phenomenon on the surface of an adsorbent such as activated carbon, and nitrogen monoxide gas which is difficult to adsorb is oxidized into nitrogen dioxide gas which is easy to adsorb, so that the adsorption capacity can be increased by hundreds of times. In addition, the adsorption capacity of sulfur dioxide, carbon dioxide, heavy metals and the like is multiplied in a low-temperature environment.
However, the inventors have found through studies that, when the flue gas purification treatment is performed by low-temperature adsorption, the operation of replacing the adsorbent is complicated, and there is a problem in that the adsorbent loss is large.
To this end, the embodiment of the present invention further provides a flue gas adsorption system, where the flue gas adsorption system includes a flue gas adsorption device 100 with an automatic blanking function and a cooling module 200, where the flue gas adsorption device 100 may be the flue gas adsorption device 100 described in any of the foregoing embodiments, and the cooling module 200 is used to cool the flue gas to be adsorbed to room temperature or below. The cool air outlet of the cooling module 200 is communicated with the flue gas inlet 111 of the flue gas adsorption device 100, so that the low-temperature flue gas cooled by the cooling module 200 enters the cylinder 110 of the flue gas adsorption device 100 for low-temperature adsorption.
In some embodiments, the cooling module 200 is located within the barrel 110 and below the multi-layer gas permeable panel 12.
In the embodiment shown in fig. 1, 2 and 3, the cooling module 200 is integrated into the flue gas adsorbing device 100, in which case the cooling module 200 may be regarded as part of the flue gas adsorbing device 100. Specifically, the cooling module 200 is located within the cavity of the barrel 110 and below the multi-layer gas permeable panel 12. The cooling module 200 is disposed in the cylinder 110 to be integrated into the flue gas adsorption device 100, so that the volume of the flue gas adsorption system can be reduced, the occupied area is reduced, and the integration level of system equipment is improved.
In some embodiments, as shown in fig. 1, 2 and 3, the cooling module 200 is a spray cooling module 200, and includes a filler layer 220 and a cooling liquid spray assembly 210, the cooling liquid spray assembly 210 sprays cooling liquid to the filler layer 220, and at the filler layer 220, the cooling liquid is in direct contact with flue gas for heat exchange, and a cooling liquid outlet 230 is arranged at the bottom of the cylinder 110 for discharging the sprayed cooling liquid.
Alternatively, the cooling module 200 may also be a heat exchanger, where the flue gas and the cooling medium in the heat exchanger exchange heat indirectly to cool the flue gas, and in this embodiment, the flue gas does not contact with the cooling medium, so as to avoid that the flue gas brings the cooling medium into the adsorption unit 13 to affect adsorption.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A flue gas adsorption device with automatic blanking function, characterized by comprising:
the cylinder is internally provided with a cavity, and is provided with a smoke inlet and a smoke outlet;
the multi-layer ventilation plates are arranged in the cavity at intervals along the vertical direction, and blanking ports are formed in each layer of ventilation plates;
the adsorption units comprise ventilation shells and adsorbents filled in the ventilation shells, the adsorption units are supported on the ventilation plates, two adjacent layers of ventilation plates comprise an upper layer ventilation plate and a lower layer ventilation plate, and the adsorption units on the upper layer ventilation plate can fall onto the lower layer ventilation plate through blanking openings of the upper layer ventilation plate.
2. The flue gas adsorbing device with automatic blanking function according to claim 1, wherein a serpentine channel is defined between the multiple layers of air-permeable plates, and the adsorbing unit supplied from the feed port of the cylinder into the cylinder can slide or roll downward along the serpentine channel toward the discharge port of the cylinder.
3. The flue gas adsorbing device with automatic blanking function according to claim 2, wherein an inclined passage is formed between the lower surface of the upper layer air-permeable plate and the upper surface of the lower layer air-permeable plate among the adjacent air-permeable plates, and a plurality of the inclined passages are communicated end to end through the blanking port to form the serpentine passage.
4. The flue gas adsorption device with an automatic blanking function according to claim 1, wherein the ventilation plates are obliquely arranged relative to a horizontal plane, the oblique direction of an upper ventilation plate in two adjacent ventilation plates is opposite to the oblique direction of a lower ventilation plate, and the blanking port is positioned on one side of the lower ventilation plate.
5. The flue gas adsorbing device with automatic blanking function according to claim 4, wherein a blanking door is provided at the blanking port for opening and closing the blanking port.
6. The flue gas adsorbing device with automatic blanking function according to claim 1, wherein the ventilation plate includes a plurality of flaps that are reversibly disposed within the cavity between a first position in which the flaps are closed to support the adsorbing unit and a second position in which the flaps are open to form the blanking port to allow the adsorbing unit to fall.
7. The flue gas adsorbing device with automatic blanking function according to any one of claims 1 to 6, wherein the adsorbing unit is spherical or cylindrical.
8. A flue gas adsorption system, comprising:
the flue gas adsorbing device with an automatic blanking function according to any one of claims 1 to 7; and
the cooling module is used for cooling the flue gas to be adsorbed and purified to room temperature or below, and a cold air outlet of the cooling module is communicated with a flue gas inlet of the flue gas adsorption device.
9. The flue gas adsorption system of claim 8, wherein the cooling module is located within the cartridge and below the multi-layered gas permeable panel.
10. The flue gas adsorption system of claim 9, wherein the cooling module is a spray cooling module and comprises a filler layer and a cooling liquid spray assembly, the cooling liquid spray assembly is used for spraying cooling liquid to the filler layer, the cooling liquid is in direct contact heat exchange with flue gas at the filler layer, and a cooling liquid outlet for discharging sprayed cooling liquid is arranged at the bottom of the cylinder.
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