CN105692612A - Oxidation carbonization device and method of coal-base activated carbon - Google Patents
Oxidation carbonization device and method of coal-base activated carbon Download PDFInfo
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- CN105692612A CN105692612A CN201610201140.4A CN201610201140A CN105692612A CN 105692612 A CN105692612 A CN 105692612A CN 201610201140 A CN201610201140 A CN 201610201140A CN 105692612 A CN105692612 A CN 105692612A
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Abstract
The invention discloses an oxidation carbonization device of coal-base activated carbon. The device comprises a first external-heating rotary kiln, a second external-heating rotary kiln and a conveyer, wherein a core tube, a plurality of partition boards and a plurality of material grabbing plates are arranged in a first cylinder of the first external-heating rotary kiln. The invention also discloses an oxidation carbonization method by using the oxidation carbonization device. The inside of the first cylinder is divided into a plurality of reaction bins, the material grabbing plates in the reaction bins are adjusted, and the raw material coal formed particles are subjected to preoxidation treatment, thereby effectively reducing the material crushing, and enhancing the yield and strength of the coal formed particles after oxidation carbonization.
Description
Technical field
The invention belongs to active carbon from coal production field, particularly relate to oxidation carbonizing apparatus and the method for a kind of active carbon from coal。
Background technology
In traditional coal based activated charcoal producing technique, the molding pellet that feed coal obtains after molding, pelletize processes through carbonization, activating process successively, prepares activated carbon。At present, advanced process for preparing activated carbon also tends to include oxidation technology, namely before carbonization processes, first carry out oxidation processes。Before carbonization, Carbon Materials is carried out suitable oxidation processes, it is possible to improve absorption property and the productivity of activated carbon, be conducive to large-scale production。
Such as, CN203866039U discloses a kind of oxygen carbonization pretreatment unit prepared for active carbon from coal, including external-heat oxidation furnace, external-heat retort；Wherein, briquetting pellet, before entering external-heat retort and carrying out carbonization, initially enters external-heat oxidation furnace and carries out pre-oxidation treatment, then again oxidation material obtained for pre-oxidation treatment is sent into external-heat retort。
But, research shows, owing to adding treatment process, it is easy to the percentage of damage of shaped granule is increased, and causes that yield minimizing, intensity reduce。
Summary of the invention
It is an object of the invention to provide the oxidation carbonizing apparatus of a kind of active carbon from coal and the method for oxidation carbonization process, to improve briquetting pellet yield after oxidation carbonization processes and/or intensity。
An aspect for achieving the above object, pulverized coal forming device provided by the invention by the following technical solutions:
The oxidation carbonizing apparatus of a kind of active carbon from coal, including the first external-heating rotary kiln, the second external-heating rotary kiln and conveying equipment；Described first external-heating rotary kiln includes the first cylinder and the first outer thermal jacket being arranged on outside described first cylinder；Described second external-heating rotary kiln includes the second cylinder and the second outer thermal jacket being arranged on outside described second cylinder；Described conveying equipment is for carrying out carbonization process by sending into from the material after described first cylinder internal oxidition process in the second cylinder；
It is provided with core pipe in described first cylinder, polylith demarcation strip and multiple copy plate, described core pipe and the first cylinder are co-axially located in the first cylinder, described demarcation strip is radially even respectively is arranged between the first cylinder with core pipe and is connected the inwall of described first cylinder and the outer wall of described core pipe, thus at the first cylinder, the reaction warehouse of multiple separation is formed between core pipe and adjacent segmentation plate, the inwall of each reaction warehouse is provided with multiple copy plate, described copy plate includes first paragraph and second segment, the first end that described first paragraph includes being fixed to described reaction warehouse and the second end away from described first end, described second segment is connected to the second end of first paragraph and is 110 °～160 ° with angle in junction of the second end of described first paragraph。Preferably, described polylith demarcation strip is 2～5 pieces of demarcation strips, for instance 3 pieces or 4 pieces, more preferably 3 pieces。
Oxidation carbonizing apparatus according to the present invention, it is preferable that described copy plate is evenly distributed on the sidewall of described reaction warehouse；Or it is only arranged on the demarcation strip of described reaction warehouse side, namely described copy plate is set in the segmentation relative to each reaction warehouse the same side。It is further preferred that copy plate is only arranged on the demarcation strip of described reaction warehouse side, for instance uniformly lay on this demarcation strip。
Oxidation carbonizing apparatus according to the present invention, it is preferable that the second segment of described copy plate is perpendicular to the demarcation strip that described first paragraph connects；Described first paragraph is tilted to the first cylinder inboard wall to the second end by its first end。
Oxidation carbonizing apparatus according to the present invention, it is preferable that described angle is 120 °～150 °。
Oxidation carbonizing apparatus according to the present invention, it is preferable that the diameter of described core pipe is the 1/4～1/3 of described first barrel diameter。
Oxidation carbonizing apparatus according to the present invention, it is preferable that the length of described second segment is the 1/4～2/3 of described first paragraph length。
Oxidation carbonizing apparatus according to the present invention, it is preferable that the inwall of described second cylinder is provided with multiple copy plate, and the copy plate structure in described second cylinder is identical with the copy plate structure arranged in the first cylinder。
Oxidation carbonizing apparatus according to the present invention, preferably, described first outer thermal jacket and the second outer thermal jacket include the segmentation chuck along its axially arranged multiple mutual separation respectively, described sectional splint puts and is respectively equipped with smoke inlet and exhanst gas outlet, such that it is able to pass into heat smoke in each segmentation chuck respectively, to better control over the temperature in cylinder corresponding to each segmentation chuck。Preferably, described first outer thermal jacket and the second outer thermal jacket include 3～6 segmentation chucks respectively。
Another aspect for achieving the above object, present invention also offers and utilize above-mentioned oxidation carbonizing apparatus to carry out the method that oxidation carbonization processes, so that briquetting pellet to carry out oxidation carbonization process。Pellet is carried out oxidation processes and carbonization process is the conventional process step in process for preparing active carbon, be well known to those skilled in the art。In the present invention, owing to its first outer thermal jacket and the second outer thermal jacket all include multiple segmentation chuck, preferably, in the process of described oxidation processes, hot blast is sent into respectively in each segmentation chuck of the first outer thermal jacket, with from kiln hood to kiln tail, controlling cylinder body temperature corresponding to the first segmentation chuck is 150～170 DEG C, control cylinder body temperature respectively 200～220 DEG C corresponding to most end segmentation chuck, leaving the material heating rate after the first segmentation chuck section in its middle cylinder body is 0.2～0.5 DEG C/min, using air as 2～3 hours oxidizing process time。
Preferably, in the process that described carbonization processes, hot blast is sent into respectively in each segmentation chuck of the second outer thermal jacket, with from kiln hood to kiln tail, controlling cylinder body temperature corresponding to its first segmentation chuck is 300～320 DEG C, controlling cylinder body temperature respectively 440～460 DEG C corresponding to most end segmentation chuck, leaving the material heating rate after the first segmentation chuck section in its middle cylinder body is 0.5～2 DEG C/min, and carbonization processes 2～3 hours time。Its Carbonization Atmospheres can be the oxygen content inert atmosphere lower than 4vol%, for known in the art, for instance nitrogen atmosphere。By the good control to above-mentioned oxidation processes and carbonization processing procedure, it is possible to obtain carbonization pellet more preferably。
Compared with prior art, the invention have the advantages that
(1), the present invention the first inner barrel is divided into multiple reaction warehouse, and have adjusted the copy plate pair in reaction warehouse, feed coal shaped granule carries out pre-oxidation treatment, it is possible to effectively reduces the broken of material, reduces its floatability of follow-up gained activated carbon product；But, if the first inner barrel is divided into more reaction warehouse, research finds, can dramatically increase the percentage of damage of material；
(2), due to the fact that and be provided with segmentation chuck, it is possible to achieve zone heating, be thus advantageous to the reaction temperature in the first cylinder and the second cylinder is well controlled, thus being conducive to material to reach expection treatment temperature and promote intensity, reducing broken；
(3), simultaneously, the copy plate of the present invention adopts " bending " design of stagewise, make the material that copy plate is taken up when falling, can progressively trickle down with certain angle of inclination by the second segment through tilting, formed and expect curtain continuously, compared with the copy plate of traditional straight-plate-type, it is possible to effectively reduce due to the broken produced powder of material, improve carbonizing production quality；
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of embodiment of the oxidation carbonizing apparatus of the present invention；
Fig. 2 is the schematic side view of the first cylinder in Fig. 1；
Fig. 3 is the enlarged diagram of copy plate and demarcation strip in Fig. 2。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail, but the present invention is not limited to this。
As it is shown in figure 1, in one embodiment of the invention, described oxidation carbonizing apparatus includes the first external-heating rotary kiln, the second external-heating rotary kiln and conveying equipment 6。
Wherein, described first external-heating rotary kiln is for carrying out oxidation processes to material, including the first cylinder 11 and the first outer thermal jacket 12 being arranged on outside described first cylinder 11, described first outer thermal jacket 12 is enclosed within outside described first cylinder 11 and is fixedly installed, such as it is fixed to earth's surface building pedestal by base, and the two ends of described first outer thermal jacket 12 and the first cylinder 11 are tightly connected, for instance rotary packing ring is set to realize being tightly connected, for known in the art, repeat no more here。Described first outer thermal jacket 12 is for providing institute's calorific requirement for the oxidation processes of material in described first cylinder 11, in order to be smoothed out for the oxidation reaction in described first cylinder 11。
Described first outer thermal jacket 12 is made up of 3 axially disposed segmentation chucks 3, thus what be conducive to material in cylinder is well heated to improve intensity, reduces broken。Each segmentation chuck 3 is equipped with gas approach and exhanst gas outlet (not shown), in order to introduce the thermal current that heating is required。Certainly, it will be understood by those skilled in the art that in the present invention, the quantity of described segmentation chuck 3 can be adjusted according to producing needs, for instance can be 3 to 6 etc.。Wherein, described cigarette import is used for heat supply in segmentation chuck 3, described exhanst gas outlet is for discharging the flue gas (tail gas) in segmentation chuck 3, in a preferred embodiment, described gas approach is arranged at the bottom of described segmentation chuck 3, described exhanst gas outlet is arranged at the top of described segmentation chuck 3, in order to the abundant heat supply of cylinder。
As shown in Figures 2 and 3,13, three pieces of demarcation strips 14 of core pipe and multiple copy plate 4 it is provided with in described first cylinder 11, described core pipe 13 and the first cylinder 11 are co-axially located in the first cylinder 11, preferably, the diameter of described core pipe 13 is the 1/4～1/3 of described first cylinder 11 diameter, crushes to be more beneficial for reducing。Described demarcation strip 14 is radially even respectively is arranged between the first cylinder 11 and core pipe 13 and is connected the inwall of described first cylinder 11 and the outer wall of described core pipe 13。It will be appreciated by those skilled in the art that, as shown in Figure 2, above-mentioned radially even setting refers to that every piece of part dividing plate 14 is from described core pipe 13 outer wall along the radially connected inwall to the first cylinder 11 of described first cylinder 11, and the angle of adjacent two pieces of demarcation strips 14 is 120 °, thus forming three reaction warehouses separated between the first cylinder 11, core pipe 13 and adjacent segmentation plate 14。
The inwall of each reaction warehouse is provided with multiple copy plate 4, such as 6～20, so as material thermally equivalent, described copy plate 4 includes first paragraph 41 and second segment 42, the first end 43 that described first paragraph 41 includes being fixed to described reaction warehouse and the second end 44 away from described first end 43, described second segment 42 is connected to the second end 44 of first paragraph 41 and is 110 °～160 ° with angle in junction of the second end 44 of described first paragraph 41, it is preferable that described angle is 120 °～150 °。
Owing to copy plate 4 adopts " bending " of stagewise to design, described first cylinder 11 rotates counterclockwise, make the material that copy plate 4 is taken up when falling, can progressively trickle down with certain angle of inclination by the second segment 42 through tilting, formed and expect curtain continuously, thus effectively reducing due to the broken produced powder of material, improve oxidation material quality。In a preferred embodiment, described copy plate 4 is arranged on the demarcation strip 14 of described reaction warehouse side, the second segment 42 of described copy plate 4 is perpendicular to the demarcation strip 14 that its first paragraph 41 connects, described first paragraph 41 is tilted to the first cylinder 11 inwall by its first end 44 to the second end 43, to be more beneficial for reducing its floatability of consequent activities charcoal product。It is further preferred that the length d1 of described second segment 42 is described first paragraph 41 length d2 1/4～2/3, more preferably the 1/3～1/2 of described first paragraph 41 length d2。Distance d3 between described second segment 42 and place demarcation strip 14 is preferably described inner barrel 3 inside radius 1/4～1/3。Certainly, it will be understood by those skilled in the art that in other embodiments, described copy plate 4 can also the distribution of general uniform in each reaction warehouse。
Described second external-heating rotary kiln is for carrying out carbonization process to the material from described first external-heating rotary kiln, including the second cylinder 21 and the second outer thermal jacket 22 being arranged on outside described second cylinder 21, described second outer thermal jacket 22 provides institute's calorific requirement for processing for the carbonization of material in described second cylinder 21；Described second outer thermal jacket 22 is made up of 4 axially disposed segmentation chucks 3, and each segmentation chuck 3 is equipped with gas approach and exhanst gas outlet (not shown)。
In a preferred embodiment, in described second cylinder 21, it is provided with copy plate 4 identical in structure and the first cylinder 11, namely includes first paragraph and second segment equally, and angle between the two is identical with length relation。In one embodiment, described copy plate is evenly distributed on the second cylinder 21 inwall。Preferably, in the second cylinder, the first paragraph of described copy plate 4 is along the inwall of radially fixed to described second cylinder 21 of described second cylinder 21。It is further preferred that the distance between the second segment 12 of described copy plate 4 and described second cylinder 21 is described second cylinder 21 inside radius 1/4～1/3。
Described conveying equipment 6 is for sending in described second cylinder 21 by the oxidation material from described first cylinder 11, for known in the art, for instance can be bucket chain conveyor。
During operation, the briquetting pellet of feed coal initially enters in the first cylinder 11, carries out oxidation processes and obtains oxidation material。Oxidation material is transported in the second cylinder 21 through conveying equipment 6 after leaving the first cylinder 11, carries out carbonization process, obtains carbonization material。Meanwhile, the outside heat smoke produced a part of conditioned rear (to such as about 400 DEG C) that burns enters the first outer thermal jacket 12, is the oxidation processes heat supply of the first cylinder 11；A part enters the second outer thermal jacket 22 after adjusting the temperature to such as about 600 DEG C, is the carbonization processing procedure heat supply in the second cylinder 21, ensures that reaction carries out。Flue gas after heat supply is drawn as tail gas。
Certainly, skilled artisan understands that, the present invention can also be arranged as required to other instrument and/or valve etc., such as online temperature and/or flow instrumentation etc., in order to make Fig. 1 clearly, concisely, not showing that the said equipment in Fig. 1, but can't affect for the understanding of the present invention, those skilled in the art can be arranged as required voluntarily。
By embodiment, the present invention is described further below。
Embodiment 1
Adopting oxidation carbonizing apparatus as shown in Figure 1, the molding pellet of feed coal is carried out oxidation carbonization process, wherein, the internal structure of the first cylinder is as shown in Figure 2；The copy plate that structure is identical it is provided with in second cylinder。It addition, described first outer thermal jacket and the second outer thermal jacket are equipped with 6 segmentation chucks。
By broken for briquetting material pelletize, obtain particle diameter pellet between 6.7mm～8mm。During oxidation processes, controlling cylinder body temperature corresponding to the first segmentation chuck of the first outer thermal jacket is 150～170 DEG C, and cylinder body temperature corresponding to the 6th segmentation chuck is 200～220 DEG C, and heating rate is 0.2～0.5 DEG C/min therebetween；Using air as 2.5 hours oxidizing process time, obtain oxidation material。
Then delivering in the second cylinder by oxidation material, when carbonization processes, controlling inner core body temperature corresponding to the first segmentation chuck is 300～320 DEG C, and inner core body temperature corresponding to the 6th segmentation chuck is 440～460 DEG C, and heating rate is 1～2 DEG C/min therebetween；In nitrogen, carbonization time 2 hours, obtain carbonized material。
Described briquetting material is prepared via a method which:
(1), by Hami coal dust being broken to the fine coal that mean diameter is 25 μm, sieve, wherein, the particle diameter fine coal content more than 80 μm is 2.5wt%；The particle diameter fine coal content more than 40 μm is 18wt%；
(2) fine coal, by (1) obtained is sent in the feed hopper of compound stalk forming equipment, and the material in described feed hopper is carried out degassed process, makes the negative pressure in described feed hopper be maintained at 2.5kPa～3kPa；
(3), make the temperature of material in described feed hopper be maintained at 70 DEG C～75 DEG C, moisture be adjusted to 4wt～5wt%；
(4), being shaped by spiral forced feeding machine feeding former by the material in described feed hopper, the pair roller top-stitching pressure of pair roller briquetting forming machine used is 14t/cm, to obtain briquetting material。
Detection briquette strength, cylinder intensity (GB/T7702.3-2008) 91.7%。
Described Hami coal is from Poly colliery, Xinjiang, and its index is: moisture 5.17wt%, and air-dried basis ash is 1.31wt%, dry ash free basis volatile matter 35.54wt%, and caking index 2 belongs to no adhesion coal, characteristic of char residue 3, can grind coefficient 55%。
Above-mentioned carbonized material is detected, and result is in Table 1.
Comparative example 1
Being distinctive in that with embodiment 1: do not set demarcation strip in the first external-heating rotary kiln, its copy plate is plate shaped, is evenly arranged around cylinder inboard wall；In second external-heating rotary kiln, copy plate is plate shaped。All the other are with embodiment 1.
Its carbonized material is detected, and result is in Table 1。
Table 1
| Project | Embodiment 1 | Comparative example 1 |
| Intensity | 96.1 | 93.4 |
| Yield | 63.7wt% | 60.2wt% |
Claims (10)
1. an oxidation carbonizing apparatus for active carbon from coal, including the first external-heating rotary kiln, the second external-heating rotary kiln and conveying equipment；Described first external-heating rotary kiln includes the first cylinder and the first outer thermal jacket being arranged on outside described first cylinder；Described second external-heating rotary kiln includes the second cylinder and the second outer thermal jacket being arranged on outside described second cylinder；Described conveying equipment is for carrying out carbonization process by sending into from the material after described first cylinder internal oxidition process in the second cylinder；It is characterized in that:
It is provided with core pipe in described first cylinder, polylith demarcation strip and multiple copy plate, described core pipe and the first cylinder are co-axially located in the first cylinder, described demarcation strip is radially even respectively is arranged between the first cylinder with core pipe and is connected the inwall of described first cylinder and the outer wall of described core pipe, thus at the first cylinder, the reaction warehouse of multiple separation is formed between core pipe and adjacent segmentation plate, the inwall of each reaction warehouse is provided with multiple copy plate, described copy plate includes first paragraph and second segment, the first end that described first paragraph includes being fixed to described reaction warehouse and the second end away from described first end, described second segment is connected to the second end of first paragraph and is 110 °～160 ° with angle in junction of the second end of described first paragraph。
2. oxidation carbonizing apparatus according to claim 1, it is characterised in that described copy plate is evenly distributed on the sidewall of described reaction warehouse；Or it is only arranged on the demarcation strip of described reaction warehouse side。
3. oxidation carbonizing apparatus according to claim 2, it is characterised in that described copy plate is only arranged on the demarcation strip of described reaction warehouse side。
4. the oxidation carbonizing apparatus according to any one of claims 1 to 3, it is characterised in that the second segment of described copy plate is perpendicular to the demarcation strip that described first paragraph connects；Described first paragraph is tilted to the first cylinder inboard wall to the second end by its first end。
5. oxidation carbonizing apparatus according to claim 4, it is characterised in that described angle is 120 °～150 °。
6. aoxidize carbonizing apparatus according to claim 1 or 5, it is characterised in that the diameter of described core pipe is the 1/4～1/3 of described first barrel diameter。
7. oxidation carbonizing apparatus according to claim 6, it is characterised in that the length of described second segment is the 1/4～2/3 of described first paragraph length。
8. the oxidation carbonizing apparatus according to any one of claim 1～6, it is characterised in that the inwall of described second cylinder is provided with multiple copy plate, and the copy plate structure in described second cylinder is identical with the copy plate structure arranged in the first cylinder。
9. oxidation carbonizing apparatus according to claim 1, it is characterized in that, described first outer thermal jacket and the second outer thermal jacket include the segmentation chuck along its axially arranged multiple mutual separation respectively, and described sectional splint puts and is respectively equipped with smoke inlet and exhanst gas outlet。
10. utilize the oxidation carbonizing apparatus according to any one of claim 1～9 to carry out the method that oxidation carbonization processes。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709383A (en) * | 2018-06-01 | 2018-10-26 | 周封 | The conveying-type energy-saving boiling and drying equipment of multi-source subregion heat exchange |
| CN109734093A (en) * | 2019-03-07 | 2019-05-10 | 大同新成新材料股份有限公司 | A kind of oxidation carbonizing apparatus of active carbon from coal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592439A (en) * | 2009-06-03 | 2009-12-02 | 淮北市协力重型机器有限责任公司 | Active carbon horizontal converter |
| CN201665534U (en) * | 2010-04-16 | 2010-12-08 | 西安三瑞实业有限公司 | External oxygen converter for producing activated carbon |
| CN201665533U (en) * | 2010-04-16 | 2010-12-08 | 西安三瑞实业有限公司 | External-heating charing converter used for activated carbon producing process |
| CN102153079A (en) * | 2011-05-03 | 2011-08-17 | 北京华福神雾工业炉有限公司 | Method and system for preparing active carbon from industrial coal by using oxygen carbonization method |
| DE102013009961A1 (en) * | 2013-05-17 | 2014-12-04 | BLüCHER GMBH | Rotary kiln and rotary kiln for the production of activated carbon |
| CN205590303U (en) * | 2016-03-31 | 2016-09-21 | 神华集团有限责任公司 | Active carbon from coal's oxidation carbomorphism device |
-
2016
- 2016-03-31 CN CN201610201140.4A patent/CN105692612B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592439A (en) * | 2009-06-03 | 2009-12-02 | 淮北市协力重型机器有限责任公司 | Active carbon horizontal converter |
| CN201665534U (en) * | 2010-04-16 | 2010-12-08 | 西安三瑞实业有限公司 | External oxygen converter for producing activated carbon |
| CN201665533U (en) * | 2010-04-16 | 2010-12-08 | 西安三瑞实业有限公司 | External-heating charing converter used for activated carbon producing process |
| CN102153079A (en) * | 2011-05-03 | 2011-08-17 | 北京华福神雾工业炉有限公司 | Method and system for preparing active carbon from industrial coal by using oxygen carbonization method |
| DE102013009961A1 (en) * | 2013-05-17 | 2014-12-04 | BLüCHER GMBH | Rotary kiln and rotary kiln for the production of activated carbon |
| CN205590303U (en) * | 2016-03-31 | 2016-09-21 | 神华集团有限责任公司 | Active carbon from coal's oxidation carbomorphism device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709383A (en) * | 2018-06-01 | 2018-10-26 | 周封 | The conveying-type energy-saving boiling and drying equipment of multi-source subregion heat exchange |
| CN109734093A (en) * | 2019-03-07 | 2019-05-10 | 大同新成新材料股份有限公司 | A kind of oxidation carbonizing apparatus of active carbon from coal |
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