CN116274266A - Coal-based solid waste refining grinding for CO 2 Adsorption process and device - Google Patents
Coal-based solid waste refining grinding for CO 2 Adsorption process and device Download PDFInfo
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- CN116274266A CN116274266A CN202310082111.0A CN202310082111A CN116274266A CN 116274266 A CN116274266 A CN 116274266A CN 202310082111 A CN202310082111 A CN 202310082111A CN 116274266 A CN116274266 A CN 116274266A
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- 239000003245 coal Substances 0.000 title claims abstract description 40
- 239000002910 solid waste Substances 0.000 title claims abstract description 36
- 238000000227 grinding Methods 0.000 title claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007670 refining Methods 0.000 title claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 113
- 238000003756 stirring Methods 0.000 claims abstract description 58
- 239000004964 aerogel Substances 0.000 claims abstract description 50
- 230000001360 synchronised effect Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 23
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000706 filtrate Substances 0.000 claims description 9
- 239000000499 gel Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000011240 wet gel Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000003463 adsorbent Substances 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 2
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 2
- 241000883990 Flabellum Species 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000000643 oven drying Methods 0.000 abstract 2
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 239000000969 carrier Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/70—Chemical treatment, e.g. pH adjustment or oxidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a method for refining and grinding coal-based solid wastes for CO 2 An adsorption process and an adsorption device relate to the technical field of coal-based solid waste processing; the invention comprises a drying box, wherein the lower surface of the drying box is fixedly provided with evenly distributed stabilityThe fixed seat, offer the second heat sink of the uniform distribution on both sides of the oven-drying box, one side of oven-drying box is fixedly fitted with the air inlet pipeline; through driving the second dwang to rotate, the second dwang makes sector gear rotate, the intermittent rotation of circular ring gear of sector gear drive, circular ring gear makes the arc slider slide along the surface of circular guide rail, the arc slider makes the rotation of stoving feed cylinder change intermittent nature through the connecting rod, the synchronous intermittent rotation of basic aerogel carrier in the stoving feed cylinder, simultaneously, stoving feed cylinder and puddler keep reverse rotation state, basic aerogel carrier is opposite with the direction of stirring, thereby the convenient mixture of basic aerogel carrier in the realization stoving feed cylinder, and then the stoving effect of basic aerogel carrier is improved.
Description
Technical Field
The invention relates to the technical field of coal-based solid waste processing, in particular to a method for refining and grinding coal-based solid waste for CO 2 Adsorption technology and device.
Background
"the energy structure of China mainly uses coal, the coal provides the basis for national economy development. But solid waste is generated in the coal exploitation and utilization process, such as: gangue produced during coal mining, fly ash produced during coal combustion and utilization, gasified ash produced during chemical conversion of coal, and the like. These solid wastes are collectively referred to as coal-based solid wastes. The prior art prepares CO by coal-based solid waste 2 The following problems exist with adsorbents:
at present, after a base aerogel carrier is generated by preparing coal-based solid waste, the base aerogel carrier needs to be dried, however, in the prior art, when the base aerogel carrier is dried, most of drying equipment is inconvenient to stir and mix the base aerogel carrier, so that the drying efficiency of the base aerogel carrier is lower, meanwhile, the drying effect of the base aerogel carrier is affected, and aiming at the problems, the inventor proposes a coal-based solid waste refining grinding method for CO 2 The adsorption process and the adsorption device are used for solving the problems.
Disclosure of Invention
In order to solve the problems of low drying efficiency and poor drying effect of the base aerogel carrier, the invention aims to provide a method for refining and grinding coal-based solid wastes for CO 2 Adsorption technology and device.
In order to solve the technical problems, the invention adopts the following technical scheme:
coal-based solid waste refining grinding for CO 2 The adsorption process comprises the following steps:
s1: taking a certain amount of coal-based solid waste raw material and sodium carbonate, adding the coal-based solid waste raw material and sodium carbonate into grinding equipment for grinding, and then adding the ground powder into calcining equipment for calcining at 800-1000 ℃ for 1.5-2 h;
s2: adding the calcined product into a stirrer, adding quantitative hydrochloric acid, stirring and filtering to obtain filtrate, wherein the stirring time is 0.5-1 h;
s3: placing the filtrate in a special container, adding propylene oxide, adjusting the pH value of the filtrate to 8-10, and standing for 1-1.5 h to obtain gel;
s4: heating the gel in water bath heating equipment, keeping the temperature at 35-40 ℃, adding 50% ethanol solution and absolute ethanol respectively, and standing for 20-24 h to obtain base wet gel;
s5, adding the obtained base wet gel into a drying mechanism for drying, and then adding the dried base wet gel into calcining equipment for calcining to obtain a base aerogel carrier;
s6: will K 2 CO 3 Adding the solution serving as the active component and the obtained base aerogel carrier into a stirrer for stirring, and putting the stirred solution into a drying mechanism for drying after stirring for 8-10 hours;
s7: grinding the dried gel carrier in a grinding device to obtain particles with the same size, and preparing CO 2 An adsorbent.
Preferably, the coal-based solid waste in the step S1 comprises any one of carbide slag, steel slag, calcium silicate slag, desulfurized gypsum, fly ash or metallurgical slag tailings, and the concentration of the added hydrochloric acid in the step S2 is 0.5-5 mol/L.
Coal-based solid waste refining grinding for CO 2 Adsorption equipment, including the stoving case, the lower fixed surface of stoving case installs evenly distributed's stable seat, evenly distributed's second radiating groove has all been seted up to the both sides of stoving case, one side fixed mounting of stoving case has the admission line, one side that the admission line was kept away from to the stoving case rotates and installs the front shroud, one side fixed mounting of front shroud has the handle, the discharge opening has been seted up to the stoving case one side that is close to stable seat, the inside of stoving case is equipped with the stoving feed cylinder, evenly distributed's first is seted up to the outer wall of stoving feed cylinderThe cooling tank, the inside of stoving case is equipped with stoving mechanism, the inside of stoving feed cylinder is equipped with rabbling mechanism, the inside of stoving case is equipped with the compounding mechanism that is used for the stoving feed cylinder.
Preferably, the drying mechanism comprises a fixed ring, two fixed rods are fixedly arranged on the outer wall of the fixed ring, one end of the fixed ring and the inner wall of the drying box are fixedly connected with each other, a through groove is formed in the outer wall of the fixed ring, a rotating shaft is rotatably arranged on the inner wall of the through groove, a swinging rod is arranged in the through groove and fixedly connected with the outer wall of the rotating shaft, a drying air outlet cover is fixedly arranged on one end of the swinging rod, a hose is fixedly arranged on one side of the drying air outlet cover, one end of the hose, which is far away from one end of the drying air outlet cover, is fixedly connected with one end of the air inlet pipeline, an arc panel is fixedly arranged on one end of the swinging rod, which is far away from one side of the swinging rod, a cambered surface groove is formed in a way, the outer wall of the fixed ring is rotatably provided with a first rotating rod, one end of the first rotating rod is fixedly arranged with a crank, the swinging rod is far away from one end of the first rotating rod, the inner wall of the cambered surface groove is fixedly connected with a movable contact of the swinging rod, one end of the drying servo motor is far away from one end of the crank, one end of the fixed connection of the fixed servo motor is far away from the first end of the rotating servo motor, and the fixed servo motor is far away from one end of the fixed servo motor is fixedly connected with the inner end of the fixed servo motor.
Preferably, the stirring mechanism comprises a stirring rod, the stirring rod is coaxial with the drying charging barrel, a first supporting plate is fixedly arranged on the inner wall of the drying box, the stirring rod penetrates through the first supporting plate and is rotationally connected with the first supporting plate, a fixed sleeve roller is fixedly arranged on the outer wall of the stirring rod, a uniformly distributed rack plate is fixedly arranged on the outer wall of the fixed sleeve roller, uniformly distributed stirring blades are fixedly arranged on the surface of the rack plate, a transmission rod is arranged on one side of the drying box, a second supporting plate is fixedly arranged on one side of the drying box, the transmission rod penetrates through the second supporting plate and is rotationally connected with the second supporting plate, a first synchronous wheel is fixedly arranged at one end of the first rotating rod and one end of the transmission rod, a first synchronous belt is connected between the two first synchronous wheels, a second synchronous wheel is fixedly arranged at one end of the transmission rod and one end of the stirring rod, and a second synchronous belt is connected between the two second synchronous wheels.
Preferably, the mixing mechanism comprises a circular guide rail, circular grooves are formed in the inner wall of the drying box, the circular guide rail is fixedly connected with the inner wall of the circular groove, two arc-shaped sliding blocks are connected to the upper surface of the circular guide rail in a sliding mode, connecting rods are fixedly installed on one faces, far away from the circular guide rail, of the arc-shaped sliding blocks, one ends, far away from the arc-shaped sliding blocks, of the connecting rods are fixedly connected with the lower surface of the drying cylinder, two circular toothed rings are fixedly installed on the outer wall of the arc-shaped sliding blocks, a second rotating rod is rotatably installed on the lower surface of the drying box, a sector gear is fixedly installed at one end of the second rotating rod, the sector gear is in meshed connection with the circular toothed rings, third synchronous wheels are fixedly installed at the other ends of the transmission rods and the second rotating rod, and third synchronous belts are connected between the third synchronous wheels in a transmission mode.
Compared with the prior art, the invention has the beneficial effects that:
1. when the base aerogel carrier is put into the drying cylinder, the swinging rod is driven to swing in a reciprocating manner, the drying air outlet cover is enabled to blow into the drying cylinder uniformly and contact the base aerogel carrier while swinging in a reciprocating manner, meanwhile, the stirring rod is driven to rotate in a synchronous manner, the stirring rod enables the frame plate and the stirring fan blade to rotate through the fixed sleeve roller, the stirring fan blade stirs the base aerogel carrier in the drying cylinder, the base aerogel carrier in the drying cylinder is enabled to fully contact the high-temperature air flow, and therefore stirring in the drying and drying processes of the base aerogel carrier is conveniently achieved, and drying efficiency of the base aerogel carrier is effectively improved;
2. through driving the second dwang to rotate, the second dwang makes sector gear rotate, the intermittent rotation of circular ring gear of sector gear drive, circular ring gear makes the arc slider slide along the surface of circular guide rail, the arc slider makes the rotation of stoving feed cylinder change intermittent nature through the connecting rod, the synchronous intermittent rotation of basic aerogel carrier in the stoving feed cylinder, simultaneously, stoving feed cylinder and puddler keep reverse rotation state, basic aerogel carrier is opposite with the direction of stirring, thereby the convenient mixture of basic aerogel carrier in the realization stoving feed cylinder, and then the stoving effect of basic aerogel carrier is improved.
Drawings
Fig. 1 is a schematic view showing an external structure of a drying box according to the present invention;
FIG. 2 is a schematic view showing another external structure of the drying box according to the present invention;
FIG. 3 is a schematic view showing a sectional structure of an outside of the drying box of the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic diagram showing the connection of the drying mechanism, the stirring mechanism and the mixing mechanism;
FIG. 6 is an enlarged schematic view of portion B of FIG. 5 in accordance with the present invention;
FIG. 7 is an enlarged schematic view of portion C of FIG. 5 in accordance with the present invention;
fig. 8 is an enlarged schematic view of the portion D in fig. 5 according to the present invention.
In the figure: 1. a drying box; 11. a stabilizing seat; 12. a front cover plate; 13. a handle; 14. a second heat sink; 15. an air intake duct; 16. drying the material cylinder; 17. a first heat sink; 18. a discharge hole; 2. a drying mechanism; 21. a fixing ring; 22. a fixed rod; 23. a through groove; 25. a rotating shaft; 26. a swinging rod; 27. drying the air outlet cover; 28. a hose; 29. an arc panel; 3. a cambered surface groove; 31. a first rotating lever; 32. a crank; 33. a protruding rod; 34. a servo motor; 35. a fixed block; 4. a stirring mechanism; 41. a stirring rod; 42. a first support plate; 43. fixing the sleeve roller; 44. a frame plate; 45. stirring fan blades; 46. a transmission rod; 47. a second support plate; 48. a first synchronizing wheel; 49. a first synchronization belt; 5. a second synchronizing wheel; 51. a second timing belt; 6. a mixing mechanism; 61. a circular guide rail; 62. a circular groove; 63. an arc-shaped sliding block; 64. a connecting rod; 65. a circular toothed ring; 66. a second rotating lever; 67. a sector gear; 68. a third synchronizing wheel; 69. and a third synchronous belt.
Detailed Description
The technical scheme of the invention is clearly and completely described below with reference to the accompanying drawings and examples.
The invention provides a method for refining and grinding coal-based solid wastes for CO 2 The adsorption process comprises the following steps:
s1: taking a certain amount of coal-based solid waste raw material and sodium carbonate, adding the coal-based solid waste raw material and sodium carbonate into grinding equipment for grinding, and then adding the ground powder into calcining equipment for calcining at 800-1000 ℃ for 1.5-2 h;
s2: adding the calcined product into a stirrer, adding quantitative hydrochloric acid, stirring and filtering to obtain filtrate, wherein the stirring time is 0.5-1 h;
s3: placing the filtrate in a special container, adding propylene oxide, adjusting the pH value of the filtrate to 8-10, and standing for 1-1.5 h to obtain gel;
s4: heating the gel in water bath heating equipment, keeping the temperature at 35-40 ℃, adding 50% ethanol solution and absolute ethanol respectively, and standing for 20-24 h to obtain base wet gel;
s5, adding the obtained base wet gel into a drying mechanism 2 for drying, and then adding the dried base wet gel into a calcining device for calcining to obtain a base aerogel carrier;
s6: will K 2 CO 3 Adding the solution serving as the active component and the obtained base aerogel carrier into a stirrer for stirring, and putting the stirred solution into a drying mechanism 2 for drying after stirring for 8-10 hours;
s7: grinding the dried gel carrier in a grinding device to obtain particles with the same size, namely preparing CO 2 An adsorbent.
The coal-based solid waste in the step S1 comprises any one of carbide slag, steel slag, silicon-calcium slag, desulfurized gypsum, fly ash or metallurgical slag tailings, and the concentration of the added hydrochloric acid in the step S2 is 0.5-5 mol/L.
As shown in the figure1-8, the invention provides a coal-based solid waste refining grinding method for CO 2 The adsorption equipment, including stoving case 1, evenly distributed's second radiating groove 14 has all been seted up to the both sides of stoving case 1, and one side fixed mounting of stoving case 1 has air inlet duct 15, and the inside of stoving case 1 is equipped with stoving feed cylinder 16, and evenly distributed's first radiating groove 17 has been seted up to the outer wall of stoving feed cylinder 16, and the inside of stoving case 1 is equipped with stoving mechanism 2, and the inside of stoving feed cylinder 16 is equipped with rabbling mechanism 4, and the inside of stoving case 1 is equipped with the compounding mechanism 6 that is used for drying feed cylinder 16. After the base aerogel carrier to be dried is added to the inside of the drying cylinder 16, the drying mechanism 2 is arranged, the drying mechanism 2 is convenient for realizing uniform drying of the base aerogel carrier, the stirring mechanism 4 is arranged, the stirring mechanism 4 stirs the base aerogel carrier in the drying cylinder 16, so that the base aerogel carrier is multipurpose, the mixing mechanism 6 is arranged, the mixing mechanism 6 is convenient for realizing rotation of the drying cylinder 16, mixing of the base aerogel carrier is realized, the stirring effect is improved, and the drying effect of the base aerogel carrier is further improved.
The lower surface of the drying box 1 is fixedly provided with a stabilizing seat 11 which is uniformly distributed, one side of the drying box 1 far away from an air inlet pipeline 15 is rotatably provided with a front cover plate 12, one side of the front cover plate 12 is fixedly provided with a handle 13, and one side of the drying box 1 close to the stabilizing seat 11 is provided with a discharge hole 18. Through setting up stable seat 11, stable seat 11 improves the stability of stoving case 1, opens front shroud 12 through pulling handle 13, is convenient for add basic aerogel carrier to stoving feed cylinder 16 in, through setting up discharge port 18, after the control valve of stoving feed cylinder 16 bottom is opened to the staff, the basic aerogel carrier in the stoving feed cylinder 16 is discharged through discharge port 18, and this is prior art, and is not repeated here.
The drying mechanism 2 comprises a fixed ring 21, two fixed rods 22 are fixedly arranged on the outer wall of the fixed ring 21, one end of the fixed rod 22, far away from the fixed ring 21, is fixedly connected with the inner wall of the drying box 1, a through groove 23 is formed in the outer wall of the fixed ring 21, a rotating shaft 25 is rotatably arranged on the inner wall of the through groove 23, a swinging rod 26 is arranged in the through groove 23 and fixedly connected with the outer wall of the rotating shaft 25, the swinging rod 26 penetrates through the through groove 23, a drying air outlet cover 27 is fixedly arranged at one end of the swinging rod 26, a hose 28 is fixedly arranged at one side of the drying air outlet cover 27, and one end, far away from the drying air outlet cover 27, of the hose 28 is fixedly connected with one end of the air inlet pipeline 15. When the external heating device is connected with the air inlet pipeline 15, high-temperature air flow in the air inlet pipeline 15 enters the drying air outlet cover 27 through the air inlet pipeline 15 and the hose 28, the drying air outlet cover 27 synchronously and reciprocally swings by driving the swinging rod 26 to reciprocally swing around the axle center of the rotating shaft 25, and the drying air outlet cover 27 reciprocally swings and simultaneously enables the high-temperature air flow to be evenly blown into the drying cylinder 16, so that the base aerogel carrier is dried.
The one end fixed mounting who keeps away from stoving gas hood 27 of swinging arms 26 has arc panel 29, and arc surface groove 3 has been seted up to the one side that the arc panel 29 kept away from swinging arms 26, and first swivelling lever 31 is installed in the outer wall rotation of solid fixed ring 21, and the one end fixed mounting of first swivelling lever 31 has crank 32, and the one side fixed mounting that the crank 32 kept away from first swivelling lever 31 has protruding pole 33, and the one end that protruding pole 33 kept away from crank 32 and the inner wall movable contact of arc surface groove 3. By rotating the first rotating lever 31, the first rotating lever 31 rotates the protruding lever 33 around the axis of the first rotating lever 31 by the crank 32, and the protruding lever 33 swings reciprocally around the axis of the rotating shaft 25 by the arc surface groove 3, the arc surface plate 29, and the swinging lever 26.
The inner wall of the drying box 1 is fixedly provided with a servo motor 34, one end of the first rotating rod 31, which is far away from the crank 32, is fixedly connected with the driving output end of the servo motor 34, one end of the servo motor 34, which is far away from the first rotating rod 31, is fixedly provided with a fixed block 35, and one surface of the fixed block 35, which is far away from the servo motor 34, is fixedly connected with the inner wall of the drying box 1. By turning on the servo motor 34, the driving shaft of the servo motor 34 rotates the first rotation lever 31.
The stirring mechanism 4 comprises a stirring rod 41, the stirring rod 41 and a drying charging barrel 16 are coaxial, a fixed sleeve roller 43 is fixedly arranged on the outer wall of the stirring rod 41, a uniformly-distributed rack plate 44 is fixedly arranged on the outer wall of the fixed sleeve roller 43, uniformly-distributed stirring blades 45 are fixedly arranged on the surface of the rack plate 44, a transmission rod 46 is arranged on one side of the drying box 1, a first synchronous wheel 48 is fixedly arranged at one end of the first rotation rod 31 and one end of the transmission rod 46, a first synchronous belt 49 is connected between the two first synchronous wheels 48 in a transmission manner, a second synchronous wheel 5 is fixedly arranged at the outer wall of the transmission rod 46 and one end of the stirring rod 41, and a second synchronous belt 51 is connected between the two second synchronous wheels 5 in a transmission manner. When the first rotating rod 31 rotates, the first rotating rod 31 rotates the driving rod 46 through the first synchronizing wheel 48 and the first synchronizing belt 49, the driving rod 46 rotates the stirring rod 41 through the second synchronizing wheel 5 and the second synchronizing belt 51, the stirring rod 41 rotates the frame plate 44 and the stirring fan blades 45 through the fixed sleeve roller 43, and the stirring fan blades 45 stir the base aerogel carrier in the drying cylinder 16, so that the base aerogel carrier in the drying cylinder 16 is fully contacted with high-temperature air flow.
The inner wall fixed mounting of stoving case 1 has first backup pad 42, and puddler 41 runs through first backup pad 42 and rotates with first backup pad 42 to be connected, and one side fixed mounting of stoving case 1 has second backup pad 47, and transfer line 46 runs through second backup pad 47 and rotates with second backup pad 47 to be connected. By providing the first support plate 42, the first support plate 42 supports the stirring rod 41, and by providing the second support plate 47, the second support plate 47 supports the transmission rod 46.
The mixing mechanism 6 comprises a circular guide rail 61, a circular groove 62 is formed in the inner wall of the drying box 1, the circular guide rail 61 is fixedly connected with the inner wall of the circular groove 62, two arc-shaped sliding blocks 63 are slidably connected to the upper surface of the circular guide rail 61, a connecting rod 64 is fixedly installed on one surface of each of the two arc-shaped sliding blocks 63, which is far away from the circular guide rail 61, one end of each of the connecting rods 64, which is far away from the arc-shaped sliding blocks 63, is fixedly connected with the lower surface of the drying cylinder 16, a circular toothed ring 65 is fixedly installed on the outer wall of each of the two arc-shaped sliding blocks 63, a second rotating rod 66 is rotatably installed on the lower surface of the drying box 1, a sector gear 67 is fixedly installed on one end of each of the second rotating rod 66, the sector gear 67 is in meshed connection with the circular toothed ring 65, a third synchronizing wheel 68 is fixedly installed on the other end of each of the transmission rod 46 and the other end of each of the second rotating rod 66, and a third synchronizing belt 69 is in transmission connection between the two third synchronizing wheels 68. When the transmission rod 46 rotates, the transmission rod 46 rotates the second rotating rod 66 through the third synchronizing wheel 68 and the third synchronizing belt 69, the second rotating rod 66 rotates the sector gear 67, the sector gear 67 drives the circular toothed ring 65 to intermittently rotate, the circular toothed ring 65 slides the arc-shaped sliding block 63 along the surface of the circular guide rail 61, the arc-shaped sliding block 63 rotates the drying cylinder 16 intermittently through the connecting rod 64, and the drying cylinder 16 and the stirring rod 41 keep a reverse rotation state, so that mixing of the base aerogel carriers in the drying cylinder 16 is realized, and the drying effect of the base aerogel carriers is improved.
Working principle: when the prepared base aerogel carrier is required to be dried, a worker firstly opens the front cover plate 12, adds the base aerogel carrier to be dried into the drying cylinder 16, then connects the air inlet pipeline 15 with external heating equipment, and when the external heating equipment works, high-temperature air flows enter the drying air outlet cover 27 through the air inlet pipeline 15 and the hose 28;
at this time, by turning on the servo motor 34, the driving shaft of the servo motor 34 rotates the first rotating rod 31, the first rotating rod 31 rotates the protruding rod 33 by the crank 32 with the axis of the first rotating rod 31 as the center of a circle, the protruding rod 33 reciprocates by the arc surface groove 3, the arc surface plate 29 and the swinging rod 26 with the axis of the rotating shaft 25 as the center of a circle, the swinging rod 26 synchronously reciprocates the drying air outlet cover 27, and the drying air outlet cover 27 reciprocates and simultaneously uniformly blows high-temperature air into the drying cylinder 16 and contacts with the basic aerogel carrier;
meanwhile, the first rotating rod 31 rotates the transmission rod 46 through the two first synchronous wheels 48 and the first synchronous belt 49, the transmission rod 46 rotates the stirring rod 41 through the two second synchronous wheels 5 and the second synchronous belt 51, the stirring rod 41 rotates the plurality of frame plates 44 and the plurality of stirring blades 45 through the fixed sleeve roller 43, the plurality of stirring blades 45 stir the base aerogel carrier in the drying charging barrel 16, the base aerogel carrier in the drying charging barrel 16 is fully contacted with high-temperature air flow, and therefore stirring in the drying and drying processes of the base aerogel carrier is conveniently realized, and the drying efficiency of the base aerogel carrier is effectively improved;
meanwhile, the transmission rod 46 rotates the second rotating rod 66 through the third synchronizing wheel 68 and the third synchronizing belt 69, the second rotating rod 66 rotates the sector gear 67, the sector gear 67 drives the circular toothed ring 65 to intermittently rotate, the circular toothed ring 65 enables the two arc-shaped sliding blocks 63 to slide along the surface of the circular guide rail 61, the two arc-shaped sliding blocks 63 enable the drying cylinder 16 to intermittently rotate through the two connecting rods 64, the base aerogel carriers in the drying cylinder 16 intermittently rotate synchronously, and meanwhile, the drying cylinder 16 and the stirring rod 41 keep in a reverse rotation state, so that mixing of the base aerogel carriers in the drying cylinder 16 is conveniently achieved, and the drying effect of the base aerogel carriers is improved.
Claims (10)
1. Coal-based solid waste refining grinding for CO 2 The adsorption process is characterized by comprising the following steps of:
s1: taking a certain amount of coal-based solid waste raw material and sodium carbonate, adding the coal-based solid waste raw material and sodium carbonate into grinding equipment for grinding, and then adding the ground powder into calcining equipment for calcining at 800-1000 ℃ for 1.5-2 h;
s2: adding the calcined product into a stirrer, adding quantitative hydrochloric acid, stirring and filtering to obtain filtrate, wherein the stirring time is 0.5-1 h;
s3: placing the filtrate in a special container, adding propylene oxide, adjusting the pH value of the filtrate to 8-10, and standing for 1-1.5 h to obtain gel;
s4: heating the gel in water bath heating equipment, keeping the temperature at 35-40 ℃, adding 50% ethanol solution and absolute ethanol respectively, and standing for 20-24 h to obtain base wet gel;
s5, adding the obtained base wet gel into a drying mechanism (2) for drying, and then adding the dried base wet gel into calcining equipment for calcining to obtain a base aerogel carrier;
s6: will K 2 CO 3 Adding the solution serving as an active component and the obtained base aerogel carrier into a stirrer for stirring, and putting the stirred solution into a drying mechanism (2) for drying after stirring for 8-10 hours;
s7: grinding the dried gel carrier in a grinding device to obtain particles with the same size, and preparing CO 2 An adsorbent.
2. The coal-based solid waste fine grinding of claim 1 for CO 2 Adsorbed workerThe process is characterized in that the coal-based solid waste in the step S1 comprises any one of carbide slag, steel slag, calcium silicate slag, desulfurized gypsum, fly ash or metallurgical slag tailings, and the concentration of added hydrochloric acid in the step S2 is 0.5-5 mol/L.
3. Coal-based solid waste refining grinding for CO 2 Adsorption equipment, including stoving case (1), its characterized in that, evenly distributed's second radiating groove (14) have all been seted up to the both sides of stoving case (1), one side fixed mounting of stoving case (1) has air inlet duct (15), the inside of stoving case (1) is equipped with dries barrel (16), evenly distributed's first radiating groove (17) have been seted up to the outer wall of stoving barrel (16), the inside of stoving case (1) is equipped with stoving mechanism (2), the inside of stoving barrel (16) is equipped with rabbling mechanism (4), the inside of stoving case (1) is equipped with compounding mechanism (6) that are used for drying barrel (16).
4. A coal-based solid waste fine grinding as claimed in claim 3 for CO 2 The adsorption device is characterized in that a stabilizing seat (11) which is uniformly distributed is fixedly arranged on the lower surface of the drying box (1), a front cover plate (12) is rotatably arranged on one side, far away from an air inlet pipeline (15), of the drying box (1), a handle (13) is fixedly arranged on one side of the front cover plate (12), and a discharging hole (18) is formed in one surface, close to the stabilizing seat (11), of the drying box (1).
5. A coal-based solid waste fine grinding as claimed in claim 3 for CO 2 The adsorption device is characterized in that the drying mechanism (2) comprises a fixed ring (21), two fixed rods (22) are fixedly arranged on the outer wall of the fixed ring (21), one end of the fixed rod (22) away from the fixed ring (21) is fixedly connected with the inner wall of the drying box (1), a through groove (23) is formed in the outer wall of the fixed ring (21), a rotating shaft (25) is rotatably arranged on the inner wall of the through groove (23), a swinging rod (26) is arranged in the through groove (23), the swinging rod (26) penetrates through the through groove (23) and is fixedly connected with the outer wall of the rotating shaft (25), a drying air outlet cover (27) is fixedly arranged at one end of the swinging rod (26), a hose (28) is fixedly arranged on one side of the drying air outlet cover (27),one end of the hose (28) far away from the drying air outlet cover (27) is fixedly connected with one end of the air inlet pipeline (15).
6. The method for refining and grinding CO by using coal-based solid wastes as claimed in claim 5 2 The adsorption device is characterized in that one end of a swinging rod (26) away from a drying exhaust hood (27) is fixedly provided with an arc panel (29), one surface of the arc panel (29) away from the swinging rod (26) is provided with an arc groove (3), the outer wall of the fixed ring (21) is rotationally provided with a first rotating rod (31), one end of the first rotating rod (31) is fixedly provided with a crank (32), one surface of the crank (32) away from the first rotating rod (31) is fixedly provided with a protruding rod (33), and one end of the protruding rod (33) away from the crank (32) is in movable contact with the inner wall of the arc groove (3).
7. The method for refining and grinding CO by using coal-based solid waste as claimed in claim 6 2 The adsorption device is characterized in that a servo motor (34) is fixedly arranged on the inner wall of the drying box (1), one end, far away from a crank (32), of the first rotating rod (31) is fixedly connected with the driving output end of the servo motor (34), one end, far away from the first rotating rod (31), of the servo motor (34) is fixedly provided with a fixing block (35), and one surface, far away from the servo motor (34), of the fixing block (35) is fixedly connected with the inner wall of the drying box (1).
8. The method for refining and grinding CO by using coal-based solid waste as claimed in claim 6 2 Adsorption equipment, its characterized in that, rabbling mechanism (4) are including puddler (41), puddler (41) are coaxial with stoving feed cylinder (16), the outer wall fixed mounting of puddler (41) has fixed sleeve roller (43), the outer wall fixed mounting of fixed sleeve roller (43) has evenly distributed's frame board (44), the fixed surface mounting of frame board (44) has evenly distributed's stirring flabellum (45), one side of stoving case (1) is equipped with transfer line (46), the one end of first dwang (31) and the one end of transfer line (46) are all fixed mounting have first synchronizing wheel (48), and the transmission is connected with first hold-in range (49) between two first synchronizing wheel (48), the outer wall of transfer line (46) and the one end of puddler (41) are equal fixed mounting have the second to be sameAnd a second synchronous belt (51) is connected between the two second synchronous wheels (5) in a transmission way.
9. The coal-based solid waste fine grinding of claim 8 for CO 2 The adsorption device is characterized in that a first supporting plate (42) is fixedly arranged on the inner wall of the drying box (1), the stirring rod (41) penetrates through the first supporting plate (42) and is rotationally connected with the first supporting plate (42), a second supporting plate (47) is fixedly arranged on one side of the drying box (1), and the transmission rod (46) penetrates through the second supporting plate (47) and is rotationally connected with the second supporting plate (47).
10. The coal-based solid waste fine grinding of claim 8 for CO 2 The adsorption device is characterized in that the mixing mechanism (6) comprises a circular guide rail (61), circular grooves (62) are formed in the inner wall of the drying box (1), the circular guide rail (61) and the inner wall of the circular grooves (62) are fixedly connected, two arc-shaped sliding blocks (63) are connected to the upper surface of the circular guide rail (61) in a sliding mode, a connecting rod (64) is fixedly installed on one surface, far away from the circular guide rail (61), of each arc-shaped sliding block (63), one end, far away from the arc-shaped sliding blocks (63), of each connecting rod (64) is fixedly connected with the lower surface of the drying cylinder (16), a circular toothed ring (65) is fixedly installed on the outer wall of each arc-shaped sliding block (63), a second rotating rod (66) is installed on the lower surface of the drying box (1), a sector gear (67) is fixedly installed on one end of each second rotating rod (66), the sector gear (67) is in meshed connection with the circular toothed ring (65), a third synchronous wheel (68) is fixedly installed on the other end of each driving rod (46), and a third synchronous wheel (68) is fixedly installed on the other end of each second rotating rod (66), and a third synchronous wheel (68) is connected between the two synchronous wheels (68).
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