CN111689498A - Continuous production system and method for high-desulfurization and denitrification active coke - Google Patents
Continuous production system and method for high-desulfurization and denitrification active coke Download PDFInfo
- Publication number
- CN111689498A CN111689498A CN202010505986.3A CN202010505986A CN111689498A CN 111689498 A CN111689498 A CN 111689498A CN 202010505986 A CN202010505986 A CN 202010505986A CN 111689498 A CN111689498 A CN 111689498A
- Authority
- CN
- China
- Prior art keywords
- feeding
- activation
- finished product
- carbonization
- feed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000571 coke Substances 0.000 title claims abstract description 53
- 238000010924 continuous production Methods 0.000 title claims abstract description 20
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 143
- 230000004913 activation Effects 0.000 claims abstract description 56
- 238000001994 activation Methods 0.000 claims abstract description 56
- 239000000843 powder Substances 0.000 claims abstract description 53
- 238000003763 carbonization Methods 0.000 claims abstract description 49
- 238000007599 discharging Methods 0.000 claims abstract description 46
- 239000002994 raw material Substances 0.000 claims abstract description 44
- 238000004898 kneading Methods 0.000 claims abstract description 34
- 238000000227 grinding Methods 0.000 claims abstract description 29
- 238000004806 packaging method and process Methods 0.000 claims abstract description 23
- 238000005469 granulation Methods 0.000 claims abstract description 15
- 230000003179 granulation Effects 0.000 claims abstract description 15
- 230000023556 desulfurization Effects 0.000 claims abstract description 14
- 230000003213 activating effect Effects 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000010000 carbonizing Methods 0.000 claims abstract description 12
- 238000005303 weighing Methods 0.000 claims description 65
- 239000003245 coal Substances 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 30
- 239000008187 granular material Substances 0.000 claims description 20
- 239000005539 carbonized material Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 239000011269 tar Substances 0.000 claims description 4
- 239000011285 coke tar Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 description 4
- 239000011812 mixed powder Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/39—Apparatus for the preparation thereof
-
- 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
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/33—Preparation characterised by the starting materials from distillation residues of coal or petroleum; from petroleum acid sludge
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/336—Preparation characterised by gaseous activating agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Food Science & Technology (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention provides a continuous production system and a continuous production method of high-desulfurization-denitrification active coke, wherein the system comprises a raw material conveying mechanism, a batching mechanism, a powder grinding mechanism, a kneading and granulating mechanism, a carbonizing mechanism, an activating mechanism and a finished product packaging mechanism, wherein the discharging position of the raw material conveying mechanism is connected with the feeding position of the batching mechanism, the discharging position of the batching mechanism is connected with the feeding position of the powder grinding mechanism, the discharging position of the powder grinding mechanism is connected with the feeding position of the kneading and granulating mechanism, the discharging position of the kneading and granulating mechanism is connected with the feeding position of the carbonizing mechanism, the discharging position of the carbonizing mechanism is connected with the feeding position of the activating mechanism, and the discharging position of the activating mechanism is connected with the feeding position of the finished product packaging mechanism. The process steps of raw material conveying, proportioning, grinding, kneading granulation, carbonization, activation and finished product packaging in the production of the active coke are controlled in a fully-automatic integrated manner, so that the production efficiency is greatly improved, and meanwhile, the wear-resistant strength of the obtained active coke reaches 98%, the compressive strength reaches 40Kgf, the desulfurization value reaches 20mg/g, and the denitrification value reaches 65%.
Description
Technical Field
The invention belongs to the technical field of active coke production, and particularly relates to a continuous production system and method for high-desulfurization and denitrification active coke.
Background
The special active coke product for industrial flue gas desulfurization and denitration adopts bituminous coal or anthracite as main raw material, other auxiliary coal for conditioning and adding solid or liquid binder, after fully mixing, the granular material with uniform granularity and regular appearance is prepared by pelleting or strip extrusion molding equipment, and then the granular material is subjected to high-temperature carbonization, steam shallow activation, post oxidation and other procedures to prepare the regular granular product active coke meeting the established technical quality requirements.
With the continuous improvement of the environmental protection requirement, the active coke dry method integrated desulfurization and denitrification technology can be well-mastered in the domestic flue gas treatment industry, the traditional active coke production line has low automation degree, poor field environment and insufficient mechanization level, and a full-automatic integrated and remote centralized control production system cannot be formed, so that the quality of the active coke product in the current market is poor and the production efficiency is low.
Disclosure of Invention
The invention aims to solve the problems of poor automation degree, poor product quality and low production efficiency of the existing activated coke production line.
The invention provides a continuous production system of high-desulfurization-denitrification active coke, which comprises a raw material conveying mechanism, a batching mechanism, a powder grinding mechanism, a kneading and granulating mechanism, a carbonizing mechanism, an activating mechanism and a finished product packaging mechanism, wherein the discharging position of the raw material conveying mechanism is connected with the feeding position of the batching mechanism, the discharging position of the batching mechanism is connected with the feeding position of the powder grinding mechanism, the discharging position of the powder grinding mechanism is connected with the feeding position of the kneading and granulating mechanism, the discharging position of the kneading and granulating mechanism is connected with the feeding position of the carbonizing mechanism, the discharging position of the carbonizing mechanism is connected with the feeding position of the activating mechanism, and the discharging position of the activating mechanism is connected with the feeding position of the finished product packaging mechanism.
Furthermore, the raw material conveying mechanism comprises a bridge type grab bucket machine, a coal receiving bucket, an inertial vibration coal feeder and a toothed roller crusher, a discharge port of the coal receiving bucket is positioned right above a feed port of the inertial vibration coal feeder, a discharge port of the inertial vibration coal feeder is positioned right above a feed port of the toothed roller crusher, and a discharge port of the toothed roller crusher is connected with a feed part of the batching mechanism.
Furthermore, the batching mechanism comprises a raw material silo, a batching and weighing coal feeder, a first belt weighing machine, a bucket elevator and a second belt weighing machine, wherein the raw material silo and the batching and weighing coal feeder are arranged in a one-to-one correspondence manner, a feed inlet of the batching and weighing coal feeder is arranged right opposite to a discharge outlet of the raw material silo, the first belt weighing machine is positioned below the batching and weighing coal feeder and penetrates through the batching and weighing coal feeders, the bucket elevator is arranged at one end part of the first belt weighing machine, an upper hopper of the bucket elevator is positioned under the first belt weighing machine, the second belt weighing machine is positioned at the upper part of the bucket elevator and is arranged in parallel with the first belt weighing machine, and a discharge end of the second belt weighing machine is connected with a feed inlet of the milling mechanism.
Furthermore, the powder grinding mechanism comprises a proportioning bin, a powder grinding weighing coal feeder, a vertical roller type coal mill, a fine powder separator and a buffer powder bin, wherein the proportioning bin, the powder grinding weighing coal feeder and the vertical roller type coal mill are sequentially arranged from top to bottom, a discharge port of the vertical roller type coal mill is connected with a feed port of the fine powder separator, a discharge port of the fine powder separator is positioned right above a feed port of the buffer powder bin, and a discharge port of the buffer powder bin is connected with a feed position of the kneading granulation mechanism.
Further, knead granulation mechanism including weigh feed bin, kneading machine, double screw conveyer and granulator, the discharge gate of the feed bin of weighing is located directly over the feed inlet of kneading machine, the discharge gate of kneading machine is located directly over the feed end of double screw conveyer, the discharge end of double screw conveyer is located directly over the feed inlet of granulator, the discharge gate of granulator is connected with the feeding department of carbomorphism mechanism.
Further, the carbonization mechanism comprises a third belt conveyor, a dryer, a carbonization feeding buffer bin, a carbonization furnace and a carbonization roller cooler, the feeding end of the third belt conveyor is connected with the discharging part of the kneading granulation mechanism, the discharging end of the third belt conveyor is connected with the feeding hole of the dryer, the discharging hole of the dryer is positioned right above the feeding hole of the carbonization feeding buffer bin, the discharging hole of the carbonization feeding buffer bin is positioned right above the feeding hole of the carbonization furnace, the discharging hole of the carbonization furnace is connected with the feeding hole of the carbonization roller cooler, and the discharging hole of the carbonization roller cooler is connected with the feeding part of the activation mechanism.
Further, the activation mechanism comprises a fourth belt conveyor, an activation feeding hopper type elevator, an activation furnace and an activation roller cooler, the feeding end of the fourth belt conveyor is connected with the discharging part of the carbonization mechanism, the discharging end of the fourth belt conveyor is located at the lower part of the activation feeding hopper type elevator and corresponds to the hopper inlet of the activation feeding hopper type elevator, the discharging end of the upper part of the activation feeding hopper type elevator is connected with the feeding hole of the activation furnace, the discharging hole of the activation furnace is connected with the feeding hole of the activation roller cooler, and the discharging hole of the activation roller cooler is connected with the feeding part of the finished product packaging mechanism.
Further, finished product packagine machine constructs including fifth belt conveyor, finished product bucket elevator, finished product feed bin and packagine machine, the feed end of fifth belt conveyor is connected with the ejection of compact department of activation mechanism, the discharge end of fifth belt conveyor is located finished product bucket elevator's lower part, and corresponding with finished product bucket elevator's hopper import, the upper portion discharge end of finished product bucket elevator is connected with the feed inlet of finished product feed bin, the bottom discharge mouth of finished product feed bin is connected with packagine machine's feed inlet.
In addition, the invention also provides a continuous production method of the high-desulfurization and denitrification active coke, which comprises the following steps:
1) the four raw materials of the long flame coal, the coke powder, the coke coal and the coke tar are conveyed and crushed by a raw material conveying mechanism for several times, the granularity after crushing is below 30mm, and then the four raw materials are uniformly mixed by a batching mechanism according to the design proportion to obtain a mixed material;
2) conveying the mixed materials by a grinding mechanism, and grinding the mixed materials into 200-300-mesh mixture powder;
3) accurately weighing a certain amount of mixture powder through a kneading granulation mechanism, mixing and kneading the mixture powder with tar and water according to a designed ratio for 5-10 minutes to form a kneaded material, and then rolling and granulating the kneaded material to form a molded granulation material;
4) conveying the granulated material into a carbonization mechanism, performing steam drying to remove part of water in the granulated material, heating the granulated material to 500-550 ℃ for carbonization treatment to remove most of volatile components in the granulated material to form a carbonized material, and cooling the carbonized material to normal temperature;
5) conveying the cooled carbonized material to an activation mechanism, heating to 900-950 ℃, introducing water gas to carry out pore-forming activation on the carbonized material to form activated coke, and cooling the activated coke to form finished activated coke;
6) and (4) bagging and packaging the finished active coke by a finished product packaging mechanism, and transporting to a warehouse for storage.
Compared with the prior art, the invention has the beneficial effects that:
the continuous production system for the high-desulfurization and denitrification active coke provided by the invention has the advantages that the procedures of conveying, proportioning, grinding, kneading granulation, carbonization, activation, finished product packaging and the like of raw materials are automatically and integrally controlled, the production efficiency is greatly improved, meanwhile, the wear resistance of the active coke produced by the production system can reach 98%, the compressive strength can reach 40Kgf, the desulfurization value can reach 20mg/g, and the denitrification value can reach 65%.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a continuous production system for high desulfurization and denitrification active coke according to the present invention.
Description of reference numerals: 1. a bridge grab machine; 2. a coal receiving hopper; 3. an inertial vibration coal feeder; 4. a toothed roll crusher; 5. a raw material silo; 6. a material-proportioning, weighing and coal-feeding machine; 7. a first belt weigher; 8. a bucket elevator; 9. a second belt weigher; 10. a proportioning bin; 11. a pulverized coal weighing feeder; 12. a vertical roll coal mill; 13. a fine powder separator; 14. caching a powder bin; 15. a weighing bin; 16. a kneader; 17. a double screw conveyor; 18. a granulator; 19. a third belt conveyor; 20. a dryer; 21. a carbonization feeding buffer bin; 22. a carbonization furnace; 23. a charring roller cooler; 24. a fourth belt conveyor; 25. activating the feeding hopper type hoister; 26. an activation furnace; 27. an activation drum cooler; 28. a fifth belt conveyor; 29. a finished product bucket elevator; 30. a finished product bin; 31. a packaging machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, the present embodiment provides a continuous production system of high-desulfurization-denitrification active coke, which includes a raw material conveying mechanism, a batching mechanism, a milling mechanism, a kneading and granulating mechanism, a carbonizing mechanism, an activating mechanism, and a finished product packaging mechanism, wherein a discharge position of the raw material conveying mechanism is connected with a feed position of the batching mechanism, a discharge position of the batching mechanism is connected with a feed position of the milling mechanism, a discharge position of the milling mechanism is connected with a feed position of the kneading and granulating mechanism, a discharge position of the kneading and granulating mechanism is connected with a feed position of the carbonizing mechanism, a discharge position of the carbonizing mechanism is connected with a feed position of the activating mechanism, and a discharge position of the activating mechanism is connected with a feed position of the finished product packaging mechanism. In this embodiment, four raw materials, namely long flame coal, coke powder, coke coal and pitch, for producing active coke are conveyed and crushed by a raw material conveying mechanism in several times, mixed into a mixed material by a batching mechanism according to a designed proportion, then the mixed material is conveyed into a grinding mechanism to be ground into mixed powder, then a certain amount of the mixed powder is accurately weighed by a kneading and granulating mechanism, mixed and kneaded with tar and water according to a designed proportion to form a kneaded material, and the kneaded material is rolled and granulated to form a granulated material; the granulated material is conveyed to a carbonization mechanism for carbonization treatment to form carbonized material; conveying the carbonized material to an activation mechanism for pore-forming activation to form active coke, bagging and packaging the finished active coke by a packaging mechanism after cooling the active coke, and transporting the active coke to a warehouse for storage. The continuous production system for the high-desulfurization and denitrification active coke provided by the invention has the advantages that the procedures of conveying, proportioning, grinding, kneading granulation, carbonization, activation, finished product packaging and the like of raw materials are automatically and integrally controlled, the production efficiency is greatly improved, meanwhile, the wear resistance of the active coke produced by the production system can reach 98%, the compressive strength can reach 40Kgf, the desulfurization value can reach 20mg/g, and the denitrification value can reach 65%.
In a detailed embodiment, the raw material conveying mechanism comprises a bridge type grab bucket machine 1, a coal receiving bucket 2, an inertial vibration coal feeder 3 and a toothed roller crusher 4, wherein a discharge port of the coal receiving bucket 2 is positioned right above a feed port of the inertial vibration coal feeder 3, a discharge port of the inertial vibration coal feeder 3 is positioned right above a feed port of the toothed roller crusher 4, and a discharge port of the toothed roller crusher 4 is connected with a feed position of the batching mechanism; the bridge type grab bucket machine 1 sends four raw materials (long flame coal, coke powder, coke coal and coke tar) into a coal receiving bucket 2 in a grading way, the raw materials are sent into a toothed roller crusher 4 by an inertia vibration coal feeder 3 to be crushed, the granularity of the crushed raw materials is below 30mm, and the crushed raw materials respectively enter a batching mechanism.
The material distribution mechanism comprises a plurality of raw material silos 5, a material distribution weighing and coal feeding machine 6, a first belt weighing machine 7, a bucket elevator 8 and a second belt weighing machine 9, the raw material silos 5 and the material distribution weighing and coal feeding machine 6 are arranged in a one-to-one correspondence manner, the number of the raw material silos 5 and the material distribution weighing machines 6 corresponds to the number of the raw materials, and the crushed raw materials enter the corresponding raw material silos 5 respectively for standby; the feed inlet of the batching and weighing coal feeder 6 is arranged over against the discharge outlet of the raw material silo 5, the first belt-type weighing machine 7 is positioned below the batching and weighing coal feeder 6 and penetrates through a plurality of batching and weighing coal feeders 6, the bucket elevator 8 is arranged at the end part of the discharge end of the first belt-type weighing machine 7, the upper hopper of the bucket elevator 8 is positioned under the first belt-type weighing machine 7, the second belt-type weighing machine 9 is positioned at the upper part of the bucket elevator 8 and is arranged in parallel with the first belt-type weighing machine 7, and the discharge end of the second belt-type weighing machine 9 is connected with the feed inlet of the powder grinding mechanism; the material proportioning and weighing feeder 6 conveys the raw materials in the raw material silo 5 to a first belt-type weighing machine 7 according to a certain proportion, simultaneously, the four raw materials are uniformly mixed on the first belt-type weighing machine 7, the mixed materials are conveyed to a hopper of a bucket elevator 8 after being uniformly mixed, then the mixed materials are lifted to a second belt-type weighing machine 9, and the mixed materials are conveyed to a powder grinding mechanism through the second belt-type weighing machine 9.
The powder grinding mechanism comprises a proportioning bin 10, a powder grinding weighing coal feeder 11, a vertical roller type coal mill 12, a fine powder separator 13 and a buffer powder bin 14, wherein the proportioning bin 10, the powder grinding weighing coal feeder 11 and the vertical roller type coal mill 12 are sequentially arranged from top to bottom, a discharge port of the vertical roller type coal mill 12 is connected with a feed port of the fine powder separator 13, a discharge port of the fine powder separator 13 is positioned right above a feed port of the buffer powder bin 14, and a discharge port of the buffer powder bin 14 is connected with a feed position of the kneading granulation mechanism; the mixed materials are conveyed to a batching bin 10 for standby through a second belt type weighing machine 9, the mixed materials are conveyed to a vertical roller type coal mill 12 at a constant speed through a grinding weighing coal feeder 11, the mixed materials are ground into fine powder of 200-300 meshes and then conveyed to a fine powder separator 13 through pneumatic conveying for separation, and finally the mixed powder falls into a cache powder bin 14 for standby.
The kneading and granulating mechanism comprises a weighing bin 15, a kneader 16, a double-screw conveyer 17 and a granulator 18, wherein a discharge port of the weighing bin 15 is positioned right above a feed port of the kneader 16, a discharge port of the kneader 16 is positioned right above a feed end of the double-screw conveyer 17, a discharge end of the double-screw conveyer 17 is positioned right above a feed port of the granulator 18, and a discharge port of the granulator 18 is connected with a feed position of the carbonization mechanism; the mixture powder in the cache powder bin 14 is sent to a weighing bin 15, the weighing bin 15 accurately weighs a certain amount of the mixture powder to a kneader 16, then a certain proportion of tar and water are added, after the mixture powder is kneaded for 5-10 minutes by the kneader 16, the kneaded material is continuously conveyed to a granulator 18 at a constant speed by a double-screw conveyor 17, and then the kneaded material is rolled and granulated by the granulator 18 to form a molded granulated material.
The carbonization mechanism comprises a third belt conveyor 19, a dryer 20, a carbonization feeding buffer bin 21, a carbonization furnace 22 and a carbonization roller cooler 23, wherein the feeding end of the third belt conveyor 19 is connected with the discharging part of the kneading granulation mechanism, the discharging end of the third belt conveyor 19 is connected with the feeding hole of the dryer 20, the discharging hole of the dryer 20 is positioned right above the feeding hole of the carbonization feeding buffer bin 21, the discharging hole of the carbonization feeding buffer bin 21 is positioned right above the feeding hole of the carbonization furnace 22, the discharging hole of the carbonization furnace 22 is connected with the feeding hole of the carbonization roller cooler 23, and the discharging hole of the carbonization roller cooler 23 is connected with the feeding part of the activation mechanism. The granulated material made by the granulator 18 is sent to a dryer 20 by a third belt conveyor 19, partial moisture in the granulated material is removed through steam drying, the hardness of the granulated material is improved, then the granulated material is sent to a carbonization feeding buffer bin 21 for standby use, when the granulated material is carbonized, the granulated material falls into a carbonization furnace 22 from the carbonization feeding buffer bin 21, most of volatile components in the granulated material are removed by heating to about 500-550 ℃, a carbonized material is formed, and the carbonized material is sent to a carbonization roller cooler 23 to be cooled to normal temperature.
Activation mechanism includes fourth belt conveyor 24, activation feeding hopper formula lifting machine 25, activation furnace 26 and activation cylinder cooler 27, fourth belt conveyor 24's feed end is connected with the ejection of compact department of carbomorphism mechanism, fourth belt conveyor 24's discharge end is located the lower part of activation feeding hopper formula lifting machine 25, and is corresponding with the hopper import of activation feeding hopper formula lifting machine 25, the upper portion discharge end of activation feeding hopper formula lifting machine 25 is connected with activation furnace 26's feed inlet, activation furnace 26's discharge gate with activation cylinder cooler 27's feed inlet is connected, activation cylinder cooler 27's discharge gate is connected with finished product packagine machine's feed inlet department. And conveying the cooled carbonized material to a hopper of an activation feeding hopper type lifter 25 through a fourth belt conveyor 24, then lifting and conveying the carbonized material to an activation furnace 26, heating the carbonized material in the activation furnace 26 to 900-950 ℃, introducing water gas to perform pore-forming activation on the carbonized material to form activated coke, and then conveying the activated coke to an activation roller cooler 27 for cooling to form the final finished activated coke.
Finished product packagine machine constructs including fifth belt conveyor 28, finished product bucket elevator 29, finished product feed bin 30 and packagine machine 31, fifth belt conveyor 28's feed end is connected with the ejection of compact department of activation mechanism, fifth belt conveyor 28's discharge end is located finished product bucket elevator 29's lower part, and is corresponding with finished product bucket elevator 29's hopper import, finished product bucket elevator 29's upper portion discharge end is connected with finished product feed bin 30's feed inlet, finished product feed bin 30's bottom discharge gate and packagine machine 31's feed inlet are connected. The finished active coke formed above is conveyed to the hopper of a finished bucket elevator 29 by a fifth belt conveyor 28, then the finished active coke is lifted and conveyed to a finished product bin 30 for standby, and finally the finished active coke in the finished product bin 30 falls to a packaging machine 31 for bagging and packaging, and is transported to a warehouse for storage.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention.
Claims (9)
1. The utility model provides a continuous production system of high SOx/NOx control active coke which characterized in that: the material mixing and packaging device comprises a raw material conveying mechanism, a batching mechanism, a powder grinding mechanism, a kneading and granulating mechanism, a carbonizing mechanism, an activating mechanism and a finished product packaging mechanism, wherein the discharging position of the raw material conveying mechanism is connected with the feeding position of the batching mechanism, the discharging position of the batching mechanism is connected with the feeding position of the powder grinding mechanism, the discharging position of the powder grinding mechanism is connected with the feeding position of the kneading and granulating mechanism, the discharging position of the kneading and granulating mechanism is connected with the feeding position of the carbonizing mechanism, the discharging position of the carbonizing mechanism is connected with the feeding position of the activating mechanism, and the discharging position of the activating mechanism is connected with the feeding position of the finished product packaging mechanism.
2. The continuous production system of high desulfurization and denitrification active coke as claimed in claim 1, wherein: the raw material conveying mechanism comprises a bridge type grab bucket machine, a coal receiving bucket, an inertial vibration coal feeder and a toothed roller crusher, wherein a discharge port of the coal receiving bucket is positioned right above a feed port of the inertial vibration coal feeder, a discharge port of the inertial vibration coal feeder is positioned right above a feed port of the toothed roller crusher, and a discharge port of the toothed roller crusher is connected with a feed part of the batching mechanism.
3. The continuous production system of high desulfurization and denitrification active coke as claimed in claim 1, wherein: the batching mechanism comprises a raw material silo, a batching weighing coal feeder, a first belt-type weighing machine, a bucket elevator and a second belt-type weighing machine, wherein the raw material silo and the batching weighing coal feeder are arranged in a one-to-one correspondence manner, a feed inlet of the batching weighing coal feeder is arranged right opposite to a discharge outlet of the raw material silo, the first belt-type weighing machine is positioned below the batching weighing coal feeder and penetrates through a plurality of batching weighing coal feeders, the bucket elevator is arranged at one end part of the first belt-type weighing machine, a feed hopper of the bucket elevator is positioned under the first belt-type weighing machine, the second belt-type weighing machine is positioned at the upper part of the bucket elevator and is arranged in parallel with the first belt-type weighing machine, and a discharge end of the second belt-type weighing machine is connected with a feed inlet of the milling mechanism.
4. The continuous production system of high desulfurization and denitrification active coke as claimed in claim 1, wherein: the powder grinding mechanism comprises a proportioning bin, a powder grinding weighing coal feeder, a vertical roller type coal mill, a fine powder separator and a buffer powder bin, the proportioning bin, the powder grinding weighing coal feeder and the vertical roller type coal mill are sequentially arranged from top to bottom, a discharge port of the vertical roller type coal mill is connected with a feed port of the fine powder separator, a discharge port of the fine powder separator is located right above a feed port of the buffer powder bin, and a discharge port of the buffer powder bin is connected with a feed part of the kneading granulation mechanism.
5. The continuous production system of high desulfurization and denitrification active coke as claimed in claim 1, wherein: kneading granulation mechanism includes the feed bin of weighing, kneading machine, double screw conveyer and granulator, the discharge gate of the feed bin of weighing is located directly over the feed inlet of kneading machine, the discharge gate of kneading machine is located directly over the feed end of double screw conveyer, the discharge end of double screw conveyer is located directly over the feed inlet of granulator, the discharge gate of granulator is connected with the feeding department of carbomorphism mechanism.
6. The continuous production system of high desulfurization and denitrification active coke as claimed in claim 1, wherein: the carbonization mechanism comprises a third belt conveyor, a dryer, a carbonization feeding buffer bin, a carbonization furnace and a carbonization roller cooler, wherein the feeding end of the third belt conveyor is connected with the discharging part of the kneading granulation mechanism, the discharging end of the third belt conveyor is connected with the feeding hole of the dryer, the discharging hole of the dryer is positioned right above the feeding hole of the carbonization feeding buffer bin, the discharging hole of the carbonization feeding buffer bin is positioned right above the feeding hole of the carbonization furnace, the discharging hole of the carbonization furnace is connected with the feeding hole of the carbonization roller cooler, and the discharging hole of the carbonization roller cooler is connected with the feeding part of the activation mechanism.
7. The continuous production system of high desulfurization and denitrification active coke as claimed in claim 1, wherein: the activation mechanism comprises a fourth belt conveyor, an activation feeding hopper type elevator, an activation furnace and an activation roller cooler, the feeding end of the fourth belt conveyor is connected with the discharging part of the carbonization mechanism, the discharging end of the fourth belt conveyor is positioned at the lower part of the activation feeding hopper type elevator and corresponds to the hopper inlet of the activation feeding hopper type elevator, the upper discharging end of the activation feeding hopper type elevator is connected with the feeding hole of the activation furnace, the discharging hole of the activation furnace is connected with the feeding hole of the activation roller cooler, and the discharging hole of the activation roller cooler is connected with the feeding part of the finished product packaging mechanism.
8. The continuous production system of high desulfurization and denitrification active coke as claimed in claim 1, wherein: finished product packagine machine constructs including fifth belt conveyor, finished product bucket elevator, finished product feed bin and packagine machine, the feed end of fifth belt conveyor is connected with the ejection of compact department of activation mechanism, the discharge end of fifth belt conveyor is located finished product bucket elevator's lower part, and corresponding with finished product bucket elevator's hopper import, finished product bucket elevator's upper portion discharge end is connected with the feed inlet of finished product feed bin, the bottom discharge mouth of finished product feed bin is connected with packagine machine's feed inlet.
9. The production method of the continuous production system for the high desulfurization and denitrification active coke according to any one of claims 1 to 8 is characterized by comprising the following steps:
1) the four raw materials of the long flame coal, the coke powder, the coke coal and the coke tar are conveyed and crushed by a raw material conveying mechanism for several times, the granularity after crushing is below 30mm, and then the four raw materials are uniformly mixed by a batching mechanism according to the design proportion to obtain a mixed material;
2) conveying the mixed materials by a grinding mechanism, and grinding the mixed materials into 200-300-mesh mixture powder;
3) accurately weighing a certain amount of mixture powder through a kneading granulation mechanism, mixing and kneading the mixture powder with tar and water according to a designed ratio for 5-10 minutes to form a kneaded material, and then rolling and granulating the kneaded material to form a molded granulation material;
4) conveying the granulated material into a carbonization mechanism, performing steam drying to remove part of water in the granulated material, heating the granulated material to 500-550 ℃ for carbonization treatment to remove most of volatile components in the granulated material to form a carbonized material, and cooling the carbonized material to normal temperature;
5) conveying the cooled carbonized material to an activation mechanism, heating to 900-950 ℃, introducing water gas to carry out pore-forming activation on the carbonized material to form activated coke, and cooling the activated coke to form finished activated coke;
6) and (4) bagging and packaging the finished active coke by a finished product packaging mechanism, and transporting to a warehouse for storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505986.3A CN111689498A (en) | 2020-06-05 | 2020-06-05 | Continuous production system and method for high-desulfurization and denitrification active coke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505986.3A CN111689498A (en) | 2020-06-05 | 2020-06-05 | Continuous production system and method for high-desulfurization and denitrification active coke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111689498A true CN111689498A (en) | 2020-09-22 |
Family
ID=72479499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010505986.3A Pending CN111689498A (en) | 2020-06-05 | 2020-06-05 | Continuous production system and method for high-desulfurization and denitrification active coke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111689498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112408388A (en) * | 2020-11-11 | 2021-02-26 | 中冶南方都市环保工程技术股份有限公司 | Preparation method of activated coke with high denitration performance |
| CN115744904A (en) * | 2022-11-14 | 2023-03-07 | 中冶南方都市环保工程技术股份有限公司 | Preparation device and method of short-process desulfurization columnar active coke |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012103034B3 (en) * | 2012-04-07 | 2013-02-21 | Radwan Matrmawi | Catalytic thermolytic treatment of organic waste, comprises e.g. mixing shredded waste in feeding device with aggregate mixture and tar originating from the process, and supplying obtained mixture into vertically disposed main reactor |
| CN103723727A (en) * | 2013-12-13 | 2014-04-16 | 陕西煤业化工技术研究院有限责任公司 | Active coke preparation system and method |
| CN103818902A (en) * | 2014-02-28 | 2014-05-28 | 尚鼎炉业科技（扬州）有限公司 | Production technology for manufacturing desulfurization and denitrification active coke by multistage furnace and production equipment |
| CN106753494A (en) * | 2016-12-07 | 2017-05-31 | 神华集团有限责任公司 | Activated coke preparation facilities and method |
| CN109806839A (en) * | 2019-03-29 | 2019-05-28 | 平罗县国宁活性炭有限公司 | A kind of activated coke preparation method |
| CN212712768U (en) * | 2020-06-05 | 2021-03-16 | 中冶南方都市环保工程技术股份有限公司 | Continuous production system of high SOx/NOx control active coke |
-
2020
- 2020-06-05 CN CN202010505986.3A patent/CN111689498A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012103034B3 (en) * | 2012-04-07 | 2013-02-21 | Radwan Matrmawi | Catalytic thermolytic treatment of organic waste, comprises e.g. mixing shredded waste in feeding device with aggregate mixture and tar originating from the process, and supplying obtained mixture into vertically disposed main reactor |
| CN103723727A (en) * | 2013-12-13 | 2014-04-16 | 陕西煤业化工技术研究院有限责任公司 | Active coke preparation system and method |
| CN103818902A (en) * | 2014-02-28 | 2014-05-28 | 尚鼎炉业科技（扬州）有限公司 | Production technology for manufacturing desulfurization and denitrification active coke by multistage furnace and production equipment |
| CN106753494A (en) * | 2016-12-07 | 2017-05-31 | 神华集团有限责任公司 | Activated coke preparation facilities and method |
| CN109806839A (en) * | 2019-03-29 | 2019-05-28 | 平罗县国宁活性炭有限公司 | A kind of activated coke preparation method |
| CN212712768U (en) * | 2020-06-05 | 2021-03-16 | 中冶南方都市环保工程技术股份有限公司 | Continuous production system of high SOx/NOx control active coke |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112408388A (en) * | 2020-11-11 | 2021-02-26 | 中冶南方都市环保工程技术股份有限公司 | Preparation method of activated coke with high denitration performance |
| CN115744904A (en) * | 2022-11-14 | 2023-03-07 | 中冶南方都市环保工程技术股份有限公司 | Preparation device and method of short-process desulfurization columnar active coke |
| CN115744904B (en) * | 2022-11-14 | 2024-06-18 | 中冶南方都市环保工程技术股份有限公司 | Preparation device and method of short-process desulfurization columnar active coke |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105773835B (en) | Ceramic raw material mix grinding centralized system is for Processes and apparatus | |
| CN111689498A (en) | Continuous production system and method for high-desulfurization and denitrification active coke | |
| CN101525686B (en) | Method for manufacturing high strength green ball block by coal-based direct reduction and device therefor | |
| CN103555383A (en) | Process of directly forming and utilizing coal slime of coal cleaning plant | |
| CN212712768U (en) | Continuous production system of high SOx/NOx control active coke | |
| RU2312013C1 (en) | Processing line for pressed building material production | |
| CN108411131B (en) | Manganese-silicon alloy production system and manganese-silicon alloy production process | |
| CN202700561U (en) | Proportioning-free system for prebaked anode material | |
| CN213596170U (en) | Production line for producing cement clinker by solid-waste blending | |
| CN109913642B (en) | Rotary hearth furnace raw material treatment system and process thereof | |
| CN110917979A (en) | Converter ash digestion production line | |
| CN207862278U (en) | Recycling coke powder prepares the device of formed coke | |
| CN2910854Y (en) | Precision dosage apparatus | |
| CN103396084B (en) | Recycling method for broken autoclaved fly ash bricks | |
| CN207192808U (en) | A kind of system for preparing calcium carbide | |
| CN209923399U (en) | Rotary hearth furnace raw material processing system | |
| CN107337208A (en) | A kind of system and method that calcium carbide is produced using biomass pyrolytic | |
| CN113561320A (en) | Intermittent asphalt concrete mixing plant | |
| CN210700564U (en) | Batching device for grinding raw materials in dry-method ceramic tile powder making process | |
| CN108264252B (en) | Green box-type positive pressure fly ash sintered ceramsite production line | |
| CN207192806U (en) | A kind of system that calcium carbide is produced using biomass pyrolytic | |
| CN201317817Y (en) | A feeding and distributing device | |
| CN213772158U (en) | Vanadium nitrogen alloy production line raw material ball preparation system | |
| CN220672287U (en) | Electrode paste production line | |
| CN214032271U (en) | Process system for manufacturing ceramsite by using fly ash |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |