CN116571079A - Incinerator system for efficiently removing dioxin and flue gas catalytic removal method thereof - Google Patents
Incinerator system for efficiently removing dioxin and flue gas catalytic removal method thereof Download PDFInfo
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- CN116571079A CN116571079A CN202310845987.6A CN202310845987A CN116571079A CN 116571079 A CN116571079 A CN 116571079A CN 202310845987 A CN202310845987 A CN 202310845987A CN 116571079 A CN116571079 A CN 116571079A
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- adsorption
- adsorption chamber
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- communication port
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 10
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 title abstract 3
- 238000001179 sorption measurement Methods 0.000 claims abstract description 226
- 238000004891 communication Methods 0.000 claims abstract description 76
- 239000007789 gas Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 48
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 claims description 25
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 150000002013 dioxins Chemical class 0.000 claims description 11
- 238000000746 purification Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 39
- 230000000694 effects Effects 0.000 abstract description 17
- 238000009835 boiling Methods 0.000 abstract description 8
- 230000014759 maintenance of location Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 7
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8659—Removing halogens or halogen compounds
- B01D53/8662—Organic halogen compounds
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8696—Controlling the catalytic process
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- 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
- B01D2258/0291—Flue gases from waste incineration plants
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to the technical field of garbage incineration, in particular to an incinerator system for efficiently removing dioxin and a flue gas catalytic removal method thereof, which comprises a shell; the shell is cylindrical and is provided with an adsorption section, and an adsorption chamber is arranged in the adsorption section; the adsorption chambers are at least three and are connected with the inner wall of the shell, and the adsorption chambers are symmetrically distributed along the center of the axis of the shell; the top end and the bottom end of the adsorption chamber are respectively provided with a first communication port and a second communication port; an adsorption component for adsorbing harmful gases is arranged in the adsorption chamber; the adsorption chamber is provided with an air pressure control device for controlling the air pressure inside the adsorption chamber. The invention realizes the functions of actively sucking the smoke and controlling the retention time of the smoke through the shell, the adsorption section, the adsorption chamber, the adsorption component and the air pressure control device, achieves the effect of efficiently removing harmful gases such as dioxin and the like, and solves the problem that the existing garbage incinerator cannot control the retention time of the smoke in the boiling section.
Description
Technical Field
The invention relates to the technical field of garbage incineration, in particular to an incinerator system for efficiently removing dioxin and a flue gas catalytic removal method thereof.
Background
Dioxin is an organic compound with stronger biological toxicity, and harmful gases such as dioxin and sulfur dioxide are generated in the garbage incineration process, so before the fume is exhausted, the fume needs to be purified, and before the fume is exhausted, the dioxin can be effectively removed at the source by prolonging the boiling period time of the fume in the furnace, but the existing garbage incinerator is large in size and limited by cost and size, and the removal efficiency of the harmful gases is generally low.
For this reason, chinese patent CN112902193B discloses a garbage incinerator system and a method for catalytic removal of a garbage incineration flue gas purifying furnace, which replace refractory materials at the inner wall surface of the furnace, a flue, a heat exchange device and the like, and have the performance of catalytic removal of harmful gases and substances and refractory heat preservation. According to different temperature distribution intervals in the furnace, catalytic refractory materials with different active ingredient contents and different preparation methods are adopted in different temperature sections, so that the selective removal of harmful gases and pollutants is ensured.
However, the residence time of the flue gas in the boiling section is limited, the flue gas cannot stay for a long time, and part of dioxin still exists after the flue gas is treated, and the dioxin is difficult to naturally decompose after being discharged.
Disclosure of Invention
Aiming at the problems, the incinerator system for efficiently removing dioxin and the flue gas catalytic removal method thereof are provided, and the problem that the existing garbage incinerator cannot control the residence time of flue gas in a boiling section is solved through a shell, an adsorption section, an adsorption chamber, an adsorption assembly and a pneumatic control device.
In order to solve the problems in the prior art, the invention provides an incinerator system for efficiently removing dioxin, which comprises a shell; the shell is cylindrical and is provided with an adsorption section, and an adsorption chamber is arranged in the adsorption section; the adsorption chambers are at least three and are connected with the inner wall of the shell, and the adsorption chambers are symmetrically distributed along the center of the axis of the shell; the top end and the bottom end of the adsorption chamber are respectively provided with a first communication port and a second communication port; an adsorption component for adsorbing harmful gases is arranged in the adsorption chamber; the adsorption chamber is provided with an air pressure control device for controlling the air pressure inside the adsorption chamber.
Preferably, the air pressure control device comprises a piston cylinder, a piston and a communication control assembly; the piston cylinder is arranged in the adsorption chamber and is connected with the adsorption chamber, and two ends of the piston cylinder are respectively communicated with the inside and the outside of the adsorption chamber; the piston is arranged in the piston cylinder in a sliding manner and is in airtight connection with the inner wall of the piston cylinder; the communication control assembly is arranged in the adsorption chamber and used for controlling the opening and closing of the first communication port and the second communication port; the interior of the shell is also provided with a pushing control device for controlling the movement of the piston.
Preferably, the pushing control device comprises a push rod, a first transmission assembly and a rotary driving assembly; the first transmission assembly comprises a connecting disc and a rotating disc; the connecting disc is provided with a hinge lug, and two ends of the push rod are respectively hinged with the piston and the hinge lug; the turntable is provided with an eccentric shaft, and the connecting disc is sleeved on the eccentric shaft; the rotary driving assembly is arranged on the shell, and the driving end of the rotary driving assembly is in transmission connection with the turntable.
Preferably, at least two groups of adsorption chambers are arranged at the adsorption section, a plurality of adsorption chambers of the same group are positioned on the same horizontal plane and are arranged symmetrically along the center of the axis of the shell, and a plurality of groups of adsorption chambers are distributed in the adsorption section of the shell at equal intervals along the vertical direction; the first transmission assembly is provided with a plurality of groups and corresponds to the plurality of groups of adsorption chambers one by one; and a synchronous transmission assembly for controlling the synchronous rotation of the turntables is also arranged in the shell.
Preferably, the synchronous transmission assembly comprises a mounting frame, a transmission disc and a linkage shaft; the mounting frame is connected with the outer wall of the adsorption chamber; the two driving disks are sleeved on the linkage shaft and are respectively positioned at two sides of the mounting frame; the transmission disc is provided with a connecting column, and two ends of the connecting column are respectively connected with the transmission disc and the turntable.
Preferably, the communication control assembly includes a first shutter, a second shutter, and a connecting rod; the adsorption chambers of adjacent groups are in tight fit, and the first communication port of the adsorption chamber positioned below is communicated with the second communication port of the adsorption chamber positioned above; the connecting rod is slidably arranged on the adsorption chamber, and two ends of the connecting rod are respectively connected with the first flashboard and the second flashboard; when the first flashboard is in airtight fit with the first communication port of the uppermost adsorption chamber, a gap is reserved between the second flashboard and the second communication port of the lowermost adsorption chamber; the piston is also provided with a second transmission component for controlling the movement of the first flashboard and the second flashboard.
Preferably, the second transmission assembly comprises a first extension block, a second extension block, a first wedge block and a second wedge block; the first extension block and the second extension block are arranged on the piston and are respectively positioned at two sides of the piston; the first wedge and the second wedge are respectively arranged on the first flashboard and the second flashboard.
Preferably, the rotary drive assembly comprises a spindle, a worm gear, a worm and a rotary drive; the main shaft is rotatably arranged on the shell and is coaxially connected with the turntable; the worm wheel is sleeved on the main shaft; the worm is rotatably arranged on the shell and is in transmission connection with the worm wheel; the rotary driver is arranged on the shell, and the driving end of the rotary driver is connected with the worm in a transmission way.
Preferably, adsorption particles are filled in the adsorption chambers, and a sieve plate is arranged between adjacent adsorption chambers in the plurality of groups of adsorption chambers.
A method for catalytic removal of flue gas, comprising the steps of:
s1, starting an air pressure control device to form negative pressure in an adsorption chamber;
s2, opening the second communication port, closing the first communication port, and sucking the flue gas to carry out the adsorption chamber;
s3, after the flue gas stays in the adsorption chamber for a specified time, starting the air pressure control device again to form positive pressure in the adsorption chamber;
s4, opening the first communication port, closing the second communication port, discharging the smoke from the adsorption chamber, and completing the smoke purification.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention realizes the functions of actively sucking the smoke and controlling the retention time of the smoke through the shell, the adsorption section, the adsorption chamber, the adsorption component and the air pressure control device, achieves the effect of efficiently removing harmful gases such as dioxin and the like, and solves the problem that the existing garbage incinerator cannot control the retention time of the smoke in the boiling section;
2. the invention realizes the function of adjusting the air pressure in the adsorption chamber through the piston cylinder, the piston, the communication control assembly and the pushing control device, and achieves the effects of sucking and exhausting the flue gas;
3. the invention realizes the function of controlling the movement of the pistons through the push rod, the connecting disc, the rotary disc and the rotary driving assembly, achieves the effect of simultaneously controlling the movement of a plurality of pistons, and ensures that the air pressure of a plurality of adsorption chambers is periodically and alternately changed.
Drawings
FIG. 1 is a schematic perspective view of an incinerator system for efficient removal of dioxins;
FIG. 2 is a schematic cross-sectional view of an incinerator system for efficient removal of dioxins;
FIG. 3 is a schematic perspective cross-sectional view of an incinerator system for efficient removal of dioxins;
FIG. 4 is a schematic perspective view of the cooperation of an adsorption chamber, an air pressure control device and a pushing control device of an incinerator system for efficiently removing dioxin;
FIG. 5 is a schematic cross-sectional view of the cooperation of an adsorption chamber, an air pressure control device and a push control device of an incinerator system for efficient removal of dioxins;
FIG. 6 is a schematic perspective exploded view of the cooperation of an adsorption chamber, an air pressure control device and a push control device of an incinerator system for efficiently removing dioxin;
FIG. 7 is a schematic perspective view of a communication control assembly and a second drive assembly in an incinerator system for efficient removal of dioxins;
FIG. 8 is an exploded perspective view of a push control device in an incinerator system for efficient removal of dioxins;
FIG. 9 is a perspective view of a first transmission assembly and rotary drive assembly of an incinerator system for efficient removal of dioxins;
FIG. 10 is a schematic cross-sectional view of the cooperation of the adsorbent chamber, the air pressure control device and the first transmission assembly in an incinerator system for efficient removal of dioxin;
fig. 11 is a perspective view of a connection control assembly in an incinerator system for efficient removal of dioxins.
The reference numerals in the figures are: 1-a housing; 11-an exhaust rack; 2-an adsorption section; 21-an adsorption chamber; 211-a first communication port; 212-a second communication port; 213-a fixed plate; a 22-adsorption module; 221-adsorbing particles; 222-sieve plate; 23-a separator; 3-an air pressure control device; 31-a piston cylinder; 32-a piston; 33-a communication control assembly; 331-a first shutter; 332-a second shutter; 333-connecting rods; 34-a second transmission assembly; 341-a first extension block; 342-a second extension block; 343-a first wedge; 344-a second wedge; 4-pushing control means; 41-push rod; 42-a first transmission assembly; 421-connecting disc; 4211-hinge lugs; 422-a turntable; 4221-eccentric shaft; 43-a rotary drive assembly; 431-spindle; 432-worm gear; 433-worm; 434-a rotary drive; 44-a synchronous drive assembly; 441-mounting rack; 442-a drive disk; 443-linkage shaft; 444-connecting column.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-5 and 10: an incinerator system for efficiently removing dioxin comprises a shell 1; the shell 1 is cylindrical and is provided with an adsorption section 2, and an adsorption chamber 21 is arranged in the adsorption section 2; the adsorption chambers 21 are at least three and are connected with the inner wall of the shell 1, and the adsorption chambers 21 are distributed symmetrically along the center of the axis of the shell 1; the top end and the bottom end of the adsorption chamber 21 are respectively provided with a first communication port 211 and a second communication port 212; an adsorption unit 22 for adsorbing harmful gas is provided in the adsorption chamber 21; the adsorption chamber 21 is provided with an air pressure control device 3 for controlling the air pressure inside.
The adsorption section 2 is arranged at the boiling section of the garbage incinerator. After the adsorption chambers 21 are matched, a circular notch is formed at the central position of the adsorption chamber, and a baffle plate 23 is arranged at the circular notch and used for isolating smoke, so that the smoke can pass through the first communication port 211 and the second communication port 212 of the adsorption chamber 21.
The invention realizes the functions of actively sucking the smoke and controlling the residence time of the smoke through the shell 1, the adsorption section 2, the adsorption chamber 21, the adsorption component 22 and the air pressure control device 3, achieves the effect of efficiently removing harmful gases such as dioxin, and solves the problem that the existing garbage incinerator cannot control the residence time of the smoke in the boiling section. The bottom of the shell 1 is connected with a smoke exhaust pipeline of the garbage incinerator by an operator, so that smoke enters the shell 1 from the bottom of the shell 1 and reaches the lower part of the adsorption chamber 21, then the air pressure in the adsorption chamber 21 is controlled to be reduced by the air pressure control device 3, the first communication port 211 is closed by the air pressure control device 3, the second communication port 212 is opened, then negative pressure is formed at the second communication port 212, the smoke rapidly enters the adsorption chamber 21 under the action of air pressure difference, the harmful gases such as dioxin in the smoke are catalyzed and removed by the adsorption component 22 in the adsorption chamber 21, after the retention time of the smoke in the adsorption chamber 21 reaches a specified duration, the air pressure in the adsorption chamber 21 is controlled to be increased again by the air pressure control device 3, the first communication port 211 is opened, the second communication port 212 is closed, the purified smoke is discharged from the adsorption chamber 21 by the first communication port 211, and the effect of continuously treating the smoke is achieved by using the alternate cooperation of the adsorption chambers 21, and the influence on smoke emission is reduced while the retention time is prolonged.
Referring to fig. 2 and 3: the air pressure control device 3 comprises a piston cylinder 31, a piston 32 and a communication control assembly 33; the piston cylinder 31 is installed inside the adsorption chamber 21 and connected to the adsorption chamber 21, and both ends of the piston cylinder 31 are respectively communicated with the inside and the outside of the adsorption chamber 21; the piston 32 is slidably mounted in the piston cylinder 31 and is hermetically connected with the inner wall of the piston cylinder 31; the communication control assembly 33 is provided in the adsorption chamber 21 and is used for controlling the opening and closing of the first communication port 211 and the second communication port 212; the housing 1 is also provided with a push control device 4 for controlling the movement of the piston 32.
The invention realizes the function of adjusting the air pressure in the adsorption chamber 21 through the piston cylinder 31, the piston 32, the communication control assembly 33 and the pushing control device 4, thereby achieving the effects of sucking and exhausting the flue gas. The pushing control device 4 is electrically connected with the controller; the operation personnel connect the bottom of the shell 1 with the exhaust pipe of the garbage incinerator, and then make the flue gas get into the shell 1 from the bottom of the shell 1 and reach the below of the adsorption chamber 21, then send the signal through the controller and give the bulldoze controlling means 4, bulldoze controlling means 4 and drive piston 32 and slide along the inner wall of piston cylinder 31 after receiving the signal, increase the volume of adsorption chamber 21, the original gas in piston cylinder 31 flows out the shell from the exhaust frame 11, and then make the atmospheric pressure in the adsorption chamber 21 reduce, simultaneously close first connecting port 211 through the intercommunication controlling means 33, open second connecting port 212, form the negative pressure in second connecting port 212, the flue gas is got into adsorption chamber 21 rapidly under the effect of atmospheric pressure difference, utilize the adsorption module 22 in the adsorption chamber 21 to get rid of harmful gas such as dioxin in the flue gas, the time that the flue gas was detained in adsorption chamber 21 reaches the appointed duration, again through the increase of the air pressure controlling means 3 control adsorption chamber 21, the gas that is located after the department in the casing 1 after the purification gets into piston cylinder 31, and open first connecting port 211, close second connecting port 212, and accomplish the flue gas purification from the first connecting port 21 after passing through the first connecting port.
Referring to fig. 4, 5, 6 and 8: the pushing control device 4 comprises a push rod 41, a first transmission assembly 42 and a rotary driving assembly 43; the first transmission assembly 42 includes a connection disc 421 and a turntable 422; the connecting disc 421 is provided with a hinge lug 4211, and two ends of the push rod 41 are respectively hinged with the piston 32 and the hinge lug 4211; the turntable 422 is provided with an eccentric shaft 4221, and the connecting disc 421 is sleeved on the eccentric shaft 4221; the rotary driving assembly 43 is arranged on the housing 1 and its driving end is in driving connection with the turntable 422.
The hinge lugs 4211 on the connection plate 421 are provided in plurality and correspond to the number of the adsorption chambers 21 on the same plane one by one.
The invention realizes the function of controlling the movement of the pistons 32 through the push rod 41, the connecting disc 421, the rotary table 422 and the rotary driving assembly 43, achieves the effect of simultaneously controlling the movement of a plurality of pistons 32, and enables the air pressure of a plurality of adsorption chambers 21 to change periodically and alternately. The rotary drive assembly 43 is electrically connected to the controller; the bottom of the shell 1 is connected with a smoke exhaust pipeline of the garbage incinerator by an operator, so that smoke enters the shell 1 from the bottom of the shell 1 and reaches the lower part of the adsorption chamber 21, then a signal is sent to the rotary driving assembly 43 through the controller, the rotary driving assembly 43 drives the rotary table 422 to rotate after receiving the signal, the rotary table 422 drives the eccentric shaft 4221 to rotate, the connecting plate 421 is pushed by the eccentric shaft 4221 to move, the connecting plate 421 drives the push rod 41 hinged with the rotary table 422 to move, the piston 32 is pushed and pulled by the push rod 41 to push the piston 32, the piston 32 in the adsorption chamber 21 gradually pulled along with the connecting plate 421 slides towards the direction approaching the adsorption chamber 21 along with the rotation of the rotary table 422, the volume of the adsorption chamber 21 is reduced, the air pressure is increased, the air pressure is exhausted through the cooperation of the communication control assembly 33, the piston 32 in the adsorption chamber 21 in a continuous extension state with the connecting plate 421 slides towards the direction far away from the adsorption chamber 21 under the action of the push rod 41, the air pressure is reduced, and the flue gas is continuously purified through the cooperation of the communication control assembly 33, and the flue gas is continuously purified and the adsorption chambers 21 are continuously moved.
Referring to fig. 2 and 3: the adsorption chambers 21 at the adsorption section 2 are at least provided with two groups, a plurality of adsorption chambers 21 of the same group are positioned on the same horizontal plane and are arranged symmetrically along the center of the axis of the shell 1, and a plurality of groups of adsorption chambers 21 are distributed in the adsorption section 2 of the shell 1 at equal intervals along the vertical direction; the first transmission component 42 is provided with a plurality of groups and corresponds to the plurality of groups of adsorption chambers 21 one by one; a synchronous transmission assembly 44 for controlling the synchronous rotation of the plurality of turntables 422 is also arranged in the shell 1.
The adsorption chambers 21 of adjacent groups are connected end to end, and the first communication port 211 of the adsorption chamber 21 located below communicates with the second communication port 212 of the adsorption chamber 21 located above.
The invention realizes the function of improving the flue gas purification efficiency by arranging the plurality of groups of adsorption chambers 21 and the synchronous transmission assembly 44, and achieves the effect of improving the treatment efficiency of flue gas purification while improving the residence time of flue gas in a boiling section. The bottom of the shell 1 is connected with a smoke exhaust pipeline of the garbage incinerator by an operator, so that smoke enters the shell 1 from the bottom of the shell 1 and reaches the lower part of the adsorption chamber 21, then a signal is sent to the rotary driving assembly 43 through the controller, the rotary driving assembly 43 drives the rotary table 422 to rotate after receiving the signal, the rotary table 422 drives the eccentric shaft 4221 to rotate, the eccentric shaft 4221 drives the connecting disc 421 to move, the connecting disc 421 drives the push rod 41 hinged with the rotary table 422 to move, the piston 32 is driven to slide along the inner wall of the piston cylinder 31 through the push rod 41 to change the volume of the adsorption chamber 21, the internal air pressure is controlled, and the adsorption chambers 21 are operated in a staggered mode along with the rotation of the rotary table 422, so that the continuous purification of the smoke is realized; the plurality of groups of adsorption chambers 21 are arranged, and a plurality of piston cylinders 31 are matched, so that a large amount of smoke can be sucked and discharged by each period of movement of the piston 32, and the total volume of the piston cylinders 31 is always smaller than the total volumes of the adsorption chambers 21 and the piston cylinders 31, so that all smoke in the adsorption chambers 21 can not be discharged in one period, the movement of the smoke is further viscous, the retention time of the smoke is prolonged, and the purification effect is further improved.
Referring to fig. 2, 3 and 8: the synchronous drive assembly 44 includes a mounting bracket 441, a drive disk 442, and a linkage shaft 443; the mounting bracket 441 is connected with the outer wall of the adsorption chamber 21; the linkage shafts 443 are rotatably mounted on the mounting frame 441, two transmission discs 442 are arranged, and the two transmission discs 442 are sleeved on the linkage shafts 443 and are respectively positioned at two sides of the mounting frame 441; the driving disk 442 is provided with a connecting column 444, and two ends of the connecting column 444 are respectively connected with the driving disk 442 and the turntable 422.
The driving end of the rotary driving assembly 43 is in transmission connection with the uppermost turntable 422; the first transmission component 42 is provided with at least two groups and corresponds to the groups of adsorption chambers 21 one by one; the synchronous drive assemblies 44 are provided in at least one group, and the synchronous drive assemblies 44 are located between two adjacent first drive assemblies 42.
The invention realizes the function of synchronously connecting all turntables 422 through the mounting frame 441, the transmission disc 442, the linkage shaft 443 and the connecting column 444, and achieves the effect of synchronously rotating a plurality of turntables 422 driven by the rotary driving assembly 43. The operation staff connects the bottom of the shell 1 with a smoke exhaust pipeline of the garbage incinerator, so that smoke enters the shell 1 from the bottom of the shell 1 and reaches the lower part of the adsorption chamber 21, then a signal is sent to the rotary driving assembly 43 through the controller, the rotary driving assembly 43 drives the rotary table 422 to rotate after receiving the signal, the rotary table 422 drives the eccentric shaft 4221 to rotate, the connecting plate 421 is pushed by the eccentric shaft 4221 to move, the connecting plate 421 drives the push rod 41 hinged with the rotary table 422 to move, the piston 32 is pushed and pulled by the push rod 41, the piston 32 slides along the inner wall of the piston cylinder 31, meanwhile, the rotary table 422 drives the driving plate 442 to synchronously rotate through the connecting column 444, the driving plate 442 drives another driving plate 442 positioned on the same mounting frame 441 to synchronously rotate through the linkage shaft 443, and then the driving plate 422 and the connecting plate 421 of the other group of first driving assemblies 42 adjacent to the driving plate 422 are synchronously rotated through the driving of the driving plate 442 and the linkage shaft 443, and then a plurality of groups of air pressure control devices 3 are synchronously operated; and along with the rotation of the rotary table 422, the piston 32 in the adsorption chamber 21 which is gradually pulled closer to the connecting disc 421 slides towards the direction close to the adsorption chamber 21 under the action of the push rod 41, the volume of the adsorption chamber 21 is reduced, the air pressure is increased, the air is exhausted through the cooperation of the communication control assembly 33, the piston 32 in the adsorption chamber 21 which is continuously pulled away from the connecting disc 421 slides towards the direction far away from the adsorption chamber 21 under the action of the push rod 41, the volume of the adsorption chamber 21 is increased, the air pressure is reduced, the air is sucked through the cooperation of the communication control assembly, and along with the rotation of the rotary table 422, the adsorption chambers 21 are operated in a staggered mode, so that the continuous purification of the flue gas is realized.
Referring to fig. 3-7: the communication control assembly 33 includes a first shutter 331, a second shutter 332, and a connection rod 333; the adsorption chambers 21 of adjacent groups are in tight fit, and the first communication port 211 of the adsorption chamber 21 positioned below is communicated with the second communication port 212 of the adsorption chamber 21 positioned above; the connecting rod 333 is slidably installed on the adsorption chamber 21 and both ends thereof are connected to the first shutter 331 and the second shutter 332, respectively; when the first shutter 331 is hermetically fitted to the first communication port 211 of the uppermost adsorption chamber 21, a gap is provided between the second shutter 332 and the second communication port 212 of the lowermost adsorption chamber 21; the piston 32 is also provided with a second transmission assembly 34 for controlling the movement of the first shutter 331 and the second shutter 332.
The second transmission assembly 34 is in transmission connection with the first shutter 331, the second shutter 332 and the piston 32, respectively. The adsorption chambers 21 in the same vertical direction in the plurality of groups of adsorption chambers 21 form a total adsorption chamber through airtight fit, and the communication between the total adsorption chamber and the outside is through a first communication port 211 of the topmost adsorption chamber 21 and a second communication port 212 of the bottommost adsorption chamber 21.
The invention realizes the function of controlling the opening and closing of the first communication port 211 and the second communication port 212 through the first flashboard 331, the second flashboard 332, the connecting rod 333 and the second transmission component 34. The operation personnel connect the bottom of the shell 1 with the exhaust pipe of the garbage incinerator, and then make the flue gas get into the shell 1 from the bottom of the shell 1 and reach the below of adsorption chamber 21, then send the signal through the controller and give bulldoze controlling means 4, bulldoze controlling means 4 and drive piston 32 and slide along the inner wall of piston cylinder 31 after receiving the signal, increase the volume of adsorption chamber 21, and then make the atmospheric pressure in the adsorption chamber 21 reduce, simultaneously through the first flashboard 331 of second drive assembly 34 control move down, first flashboard 331 passes through connecting rod 333 and drives the second flashboard 332 and move down, and then make first flashboard 331 and the first connecting port 211 of the adsorption chamber 21 of topmost closely cooperate, and then close the first connecting port 211 of total adsorption chamber, and open its second connecting port 212, form the negative pressure in second connecting port 212 department, the flue gas rapidly gets into adsorption chamber 21 under the effect of atmospheric pressure difference, utilize the adsorption component 22 in the adsorption chamber 21 to catalyze harmful gases such as dioxin in the flue gas, after the time of detention in the adsorption chamber 21 reaches appointed time, again through the control device 3 control the adsorption chamber 21, and make the atmospheric pressure in the first connecting port 211 of the adsorption chamber 21 is closed, and the first connecting port is closed, the flue gas is purified and the first connecting port is removed, and the flue gas is purified and the first connecting port is closed.
Referring to fig. 3-7 and 10: second drive assembly 34 includes a first extension block 341, a second extension block 342, a first wedge 343, and a second wedge 344; the first extension block 341 and the second extension block 342 are mounted on the piston 32 and are located at both sides of the piston 32, respectively; first wedge 343 and second wedge 344 are mounted on first ram 331 and second ram 332, respectively.
The present invention realizes the function of controlling the movement of the first shutter 331 and the second shutter 332 by the first extension block 341, the second extension block 342, the first wedge 343, and the second wedge 344. After starting the garbage incinerator, the controller sends a signal to the pushing control device 4, the pushing control device 4 receives the signal and drives the piston 32 to slide along the inner wall of the piston cylinder 31, the volume of the adsorption chamber 21 is increased, the air pressure in the adsorption chamber 21 is further reduced, meanwhile, the piston 32 drives the first extending block 341 and the second extending block 342 to move, when the first extending block 341 is in contact with the first wedge block 343, the piston 32 is close to the edge of the piston cylinder 31, air suction is completed, then the first extending block 341 presses the first wedge block 343, the first wedge block 343 is pushed to move upwards, the first wedge block 343 drives the first gate plate 331 to move upwards, the first communicating port 211 is opened, the second communicating port 212 is closed, and the adsorption chamber 21 is switched to an exhaust state; similarly, as the piston 32 moves, after the second extension block 342 contacts the second wedge 344, the second wedge 344 is pressed to push the second wedge 344 to move downward, the second wedge 344 drives the second shutter 332 to move downward, the second communication port 212 is opened, the first communication port 211 is closed, and the suction state is switched to complete the communication control of the total suction chamber. The adsorption chamber 21 is internally provided with the fixed plate 213, the fixed plate 213 is in sliding fit with the connecting rod 333, and the hole of the fixed plate 213 matched with the connecting rod 333 is provided with damping, so that the connecting rod 333 has the effect of keeping the original posture, and the first flashboard 331 and the second flashboard 332 cannot slide automatically under the action of gravity when not being extruded by the first extending block 341 and the second extending block 342.
Referring to fig. 3 and 9: the rotary drive assembly 43 includes a spindle 431, a worm gear 432, a worm 433, and a rotary drive 434; the spindle 431 is rotatably mounted on the housing 1 and is coaxially connected with the rotary table 422; the worm wheel 432 is sleeved on the main shaft 431; the worm 433 is rotatably arranged on the shell 1, and the worm 433 is in transmission connection with the worm wheel 432; the rotary driver 434 is mounted on the housing 1, and the driving end of the rotary driver 434 is in driving connection with the worm 433.
The invention realizes the function of driving the turntable 422 to rotate through the main shaft 431, the worm wheel 432, the worm 433 and the rotary driver 434, and achieves the effect of controlling the piston 32 to slide along the inner wall of the pneumatic rod. The rotary drive 434 is preferably a servo motor that is electrically connected to the controller; the bottom of the shell 1 is connected with a smoke exhaust pipeline of the garbage incinerator by an operator, so that smoke enters the shell 1 from the bottom of the shell 1 and reaches the lower part of the adsorption chamber 21, then a signal is sent to the rotary driver 434 through the controller, the rotary driver 434 drives the worm 433 to rotate after receiving the signal, the worm 433 drives the worm wheel 432 connected with the worm wheel in a transmission mode to rotate, the worm wheel 432 drives the spindle 431 and the rotary table 422 to rotate, the rotary table 422 drives the eccentric shaft 4221 to rotate, the connecting disc 421 is pushed by the eccentric shaft 4221 to move, the connecting disc 421 drives the push rod 41 hinged to the connecting disc 421 to move, the piston 32 is pushed and pulled by the push rod 41 to slide along the inner wall of the piston cylinder 31, the piston 32 in the adsorption chamber 21 gradually pulled along with the connecting disc 421 slides towards the direction close to the adsorption chamber 21 under the action of the push rod 41, the air pressure of the adsorption chamber 21 is increased, the air pressure of the adsorption chamber 21 is exhausted through the cooperation of the communication control assembly 33, the piston 32 in the adsorption chamber 21 in a continuous pulling state is kept away from the adsorption chamber 21 is slid towards the direction of the adsorption chamber 21 under the action of the push rod 41, and the air pressure of the adsorption assembly is increased, and the air pressure of the adsorption chamber 21 is continuously purified through the continuous ventilation assembly.
Referring to fig. 3, 5-7: the adsorption chambers 21 are filled with adsorption particles 221, and a sieve plate 222 is installed between adjacent adsorption chambers 21 in the plurality of groups of adsorption chambers 21.
The adsorption particles 221 are in the shape of a round bead, and the surface thereof is provided with vanadium-based active ingredients. The sieve plate 222 is provided with sieve holes which are uniformly distributed, and the diameter of the sieve holes is smaller than the outer diameter of the adsorption particles 221. The top end of the housing 1 is provided with an exhaust frame 11.
The invention realizes the function of adsorbing harmful substances such as dioxin in the flue gas through the adsorption particles 221 and the sieve plate 222, and achieves the effect of purifying the flue gas. After the pushing control device 4 is started, the air pressure in the adsorption chamber 21 is periodically changed along with the movement of the piston 32, when the adsorption chamber attracts the smoke, the adsorption particles 221 are blown away along with the rapid filling of the smoke, so that the adsorption particles are fully contacted with the smoke, the vanadium-based active ingredients on the surface of the adsorption particles are utilized to catalyze and remove pollutants such as dioxin, the purification effect on the smoke is completed, and the purified smoke is discharged from the exhaust frame 11 above the shell 1.
Referring to fig. 1-5: a method for catalytic removal of flue gas, comprising the steps of:
s1, starting the air pressure control device 3 to form negative pressure in the adsorption chamber 21;
s2, opening the second communication port 212, closing the first communication port 211, and sucking the flue gas to perform the adsorption chamber 21;
s3, after the flue gas stays in the adsorption chamber 21 for a specified time, starting the air pressure control device 3 again to form positive pressure in the adsorption chamber 21;
s4, opening the first communication port 211, closing the second communication port 212, discharging the flue gas from the adsorption chamber 21, and completing the purification of the flue gas.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. An incinerator system for efficiently removing dioxin, characterized by comprising a housing (1); the shell (1) is cylindrical and is provided with an adsorption section (2), and an adsorption chamber (21) is arranged in the adsorption section (2); the adsorption chambers (21) are at least three and are connected with the inner wall of the shell (1), and the adsorption chambers (21) are symmetrically distributed along the center of the axis of the shell (1); the top end and the bottom end of the adsorption chamber (21) are respectively provided with a first communication port (211) and a second communication port (212); an adsorption component (22) for adsorbing harmful gases is arranged in the adsorption chamber (21); an air pressure control device (3) for controlling the air pressure in the adsorption chamber (21) is arranged in the adsorption chamber; the air pressure control device (3) comprises a piston cylinder (31), a piston (32) and a communication control assembly (33); the piston cylinder (31) is arranged in the adsorption chamber (21) and is connected with the adsorption chamber (21), and two ends of the piston cylinder (31) are respectively communicated with the inside and the outside of the adsorption chamber (21); the piston (32) is slidably arranged in the piston cylinder (31) and is in airtight connection with the inner wall of the piston cylinder (31); the communication control assembly (33) is arranged in the adsorption chamber (21) and is used for controlling the opening and closing of the first communication port (211) and the second communication port (212); the inside of the shell (1) is also provided with a pushing control device (4) for controlling the movement of the piston (32); the pushing control device (4) comprises a push rod (41), a first transmission assembly (42) and a rotary driving assembly (43); the first transmission assembly (42) comprises a connecting disc (421) and a rotating disc (422); the connecting disc (421) is provided with a hinge lug (4211), and two ends of the push rod (41) are respectively hinged with the piston (32) and the hinge lug (4211); an eccentric shaft (4221) is arranged on the turntable (422), and a connecting disc (421) is sleeved on the eccentric shaft (4221); the rotary driving component (43) is arranged on the shell (1) and the driving end of the rotary driving component is in transmission connection with the turntable (422).
2. The incinerator system for efficiently removing dioxin according to claim 1, characterized in that at least two groups of adsorption chambers (21) are arranged at the adsorption section (2), a plurality of adsorption chambers (21) of the same group are positioned on the same horizontal plane and are arranged symmetrically along the center of the axis of the shell (1), and a plurality of groups of adsorption chambers (21) are distributed in the adsorption section (2) of the shell (1) at equal intervals along the vertical direction; the first transmission component (42) is provided with a plurality of groups and corresponds to the plurality of groups of adsorption chambers (21) one by one; the shell (1) is also internally provided with a synchronous transmission component (44) for controlling the synchronous rotation of the turntables (422).
3. An incinerator system for efficient removal of dioxins according to claim 2 characterized by the fact that the synchronous transmission assembly (44) comprises a mounting frame (441), a transmission disc (442) and a linkage shaft (443); the mounting frame (441) is connected with the outer wall of the adsorption chamber (21); the linkage shaft (443) is rotatably arranged on the mounting frame (441); the two transmission discs (442) are arranged, the two transmission discs (442) are sleeved on the linkage shaft (443) and are respectively positioned at two sides of the mounting frame (441); the transmission disc (442) is provided with a connecting column (444), and two ends of the connecting column (444) are respectively connected with the transmission disc (442) and the turntable (422).
4. An incinerator system for efficient removal of dioxins according to claim 2, characterized by the fact that the communication control assembly (33) comprises a first shutter (331), a second shutter (332) and a connecting rod (333); the adsorption chambers (21) of adjacent groups are in tight fit, and a first communication port (211) of the adsorption chamber (21) positioned below is communicated with a second communication port (212) of the adsorption chamber (21) positioned above; the connecting rod (333) is slidably arranged on the adsorption chamber (21) and two ends of the connecting rod are respectively connected with the first flashboard (331) and the second flashboard (332); when the first flashboard (331) is in airtight fit with the first communication port (211) of the adsorption chamber (21) positioned at the uppermost part, a gap is formed between the second flashboard (332) and the second communication port (212) of the adsorption chamber (21) positioned at the lowermost part; the piston (32) is also provided with a second transmission assembly (34) for controlling the movement of the first flashboard (331) and the second flashboard (332).
5. The incinerator system for efficient dioxin removal of claim 4 characterized by the fact that the second transmission assembly (34) comprises a first extension block (341), a second extension block (342), a first wedge (343) and a second wedge (344); the first extension block (341) and the second extension block (342) are mounted on the piston (32) and are respectively positioned on two sides of the piston (32); the first wedge (343) and the second wedge (344) are mounted on the first shutter (331) and the second shutter (332), respectively.
6. The incinerator system for efficient removal of dioxins as claimed in claim 1 characterized by the fact that the rotary drive assembly (43) comprises a main shaft (431), a worm wheel (432), a worm (433) and a rotary drive (434); the main shaft (431) is rotatably arranged on the shell (1) and is coaxially connected with the turntable (422); the worm wheel (432) is sleeved on the main shaft (431); the worm (433) is rotatably arranged on the shell (1), and the worm (433) is in transmission connection with the worm wheel (432); the rotary driver (434) is arranged on the shell (1), and the driving end of the rotary driver (434) is in transmission connection with the worm (433).
7. The incinerator system for efficiently removing dioxin according to claim 1 is characterized in that adsorption particles (221) are filled in the adsorption chambers (21), and a sieve plate (222) is arranged between adjacent adsorption chambers (21) in the plurality of groups of adsorption chambers (21).
8. A flue gas catalytic removal method employing an incinerator system for efficiently removing dioxin according to any one of claims 1 to 7, characterized by comprising the steps of:
s1, starting an air pressure control device (3) to form negative pressure in an adsorption chamber (21);
s2, opening a second communication port (212), closing a first communication port (211), and sucking the flue gas to perform the adsorption chamber (21);
s3, after the flue gas stays in the adsorption chamber (21) for a specified time, starting the air pressure control device (3) again to form positive pressure in the adsorption chamber (21);
s4, opening the first communication port (211), closing the second communication port (212), discharging the flue gas from the adsorption chamber (21), and completing the purification of the flue gas.
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| CN202310845987.6A CN116571079B (en) | 2023-07-11 | 2023-07-11 | Incinerator system for efficiently removing dioxin and flue gas catalytic removal method thereof |
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