CN211147164U - Drying device for wet granulation cracking of carbon black - Google Patents
Drying device for wet granulation cracking of carbon black Download PDFInfo
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- CN211147164U CN211147164U CN201921899082.2U CN201921899082U CN211147164U CN 211147164 U CN211147164 U CN 211147164U CN 201921899082 U CN201921899082 U CN 201921899082U CN 211147164 U CN211147164 U CN 211147164U
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Abstract
The utility model discloses a drying device for wet granulation cracking of carbon black, which comprises a roller dryer, wherein the roller dryer comprises a drying roller, a front end sealed cabin, a rear end sealed cabin and a hot air system, the drying roller comprises a shell and an inner roller, a cavity is formed between the shell and the inner roller, the hot air system comprises a hot-blast stove, a tail gas combustion furnace, a hot-blast pipeline and a regulating valve, and an exhaust port of the hot air system is communicated with the inner roller and the cavity through a first air inlet positioned on the side wall of the front end sealed cabin and a second air inlet positioned on the side wall of the shell respectively; and a first air outlet communicated with the cavity is formed in the side wall of the rear end of the inner roller, and a second air outlet communicated with the inner roller is formed in the top of the rear end sealing bin. Through the mutual hot-blast system that provides of governing valve control tail gas combustion furnace and hot-blast furnace, to pyrolysis carbon black granule even heating in the cylinder, realize drying temperature's accurate regulation, improve drying efficiency.
Description
Technical Field
The utility model relates to a scrap tire thermal cracking equipment technical field, concretely relates to drying device of wet granulation schizolysis carbon black.
Background
The general treatment method for recycling the waste tires comprises the steps of cutting the whole tire bead, crushing the tire, and preparing the crushed pieces into rubber powder and reclaimed rubber or pyrolyzing the rubber powder and the reclaimed rubber. The thermal cracking technology of the waste tires is that rubber macromolecules of the waste tires are cracked into pyrolysis gas, pyrolysis oil and pyrolysis carbon black at a specific temperature under the condition of oxygen deficiency or the existence of inert gas, the generated pyrolysis gas is an energy source for pyrolysis of the waste tires, the generated oil and the carbon black are main products for pyrolysis of the waste tires, and the regenerated carbon black is a key product for pyrolysis of the tires. The pyrolytic carbon black can be used as a raw material for manufacturing tires after grinding, modification, granulation, drying and screening.
Currently, there are several forms for drying: various specifications of dryers such as drum dryers, fluidized bed dryers, spray granulation dryers, spray dryers, air flow dryers, belt dryers, box dryers, vacuum freeze dryers, hot-blast stoves, and the like.
Among them, the most suitable dryers for drying the cracked carbon black include fluidized bed dryers and drum dryers, but the fluidized bed dryers consume much energy and are expensive in equipment. Although the roller dryer has lower energy consumption and lower equipment manufacturing cost, is more economical and applicable, the feeding and the feeding of wet carbon black particles are not smooth, so that the material accumulation influences the drying effect.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned background art in not enough, the utility model aims to provide a drying device of wet granulation schizolysis carbon black.
In order to realize the purpose, the following technical scheme is adopted:
a drying device for wet granulation cracking of carbon black comprises a roller dryer, wherein the roller dryer comprises a drying roller, a front end sealing bin, a rear end sealing bin and a hot air system, the drying roller comprises a shell and an inner roller, a cavity is formed between the shell and the inner roller, the hot air system comprises a hot blast stove, a tail gas combustion furnace, a hot blast pipeline and a regulating valve, and an exhaust port of the hot air system is communicated with the inner roller and the cavity through a first air inlet located in the side wall of the front end sealing bin and a second air inlet located in the side wall of the shell respectively; and a first air outlet communicated with the cavity is formed in the side wall of the rear end of the inner roller, and a second air outlet communicated with the inner roller is formed in the top of the rear end sealing bin.
Furthermore, the bottom of the front end sealing bin is provided with an arc-shaped sealing cover, the bottom of the front end sealing bin is provided with a rotary material raising impeller, and the rotating radius of the rotary material raising impeller is matched with the arc radius of an inner cavity of the arc-shaped sealing cover.
Further, the blades on the rotary lifting impeller are arc-shaped, and the rotating direction of the blades is consistent with the air inlet direction.
Furthermore, the position of the central shaft of the rotary winnowing impeller is lower than the opening position of the first air inlet.
Furthermore, a shoveling plate is arranged on the inner wall of the inner roller.
Furthermore, a ventilation opening is formed in the shoveling plate.
Further, the drying roller is connected with the front end sealing bin and the rear end sealing bin through sealing structures.
Compared with the prior art, the utility model discloses beneficial effect embodies:
(1) the utility model discloses make full use of carbon black schizolysis's high temperature tail gas among the drying device fires burning furnace and hot-blast furnace interaction through the control of regulation and control valve and provides the hot-blast system, and in the hot-blast cavity that gets into between interior cylinder and the casing simultaneously, the even heating of schizolysis carbon black granule in the realization is to the cylinder improves drying efficiency.
(2) In the drying process, the proportion of hot air and high-temperature tail gas of the hot-blast stove input into the inner roller or the cavity is selected and controlled according to the condition of tail gas in the tail gas combustion furnace and the condition of hot air in the hot-blast stove, so that the drying temperature in the inner roller is effectively controlled, the temperature in the roller is accurately regulated, and the tail gas in the carbon black cracking process is effectively utilized as a heat supply source.
(3) The bottom is the front end sealed storehouse of arc structure and the cooperation of rotatory material impeller of raising, and the crooked direction of rotatory material impeller of raising is unanimous with the air inlet direction, need not to be connected with power device, make rotatory material impeller of raising clockwise rotation under the drive of hot-blast effect, the front end edge of blade plays the scraper blade effect, fully drive the material of front end sealed storehouse bottom and carry to the interior cylinder in, avoid the material accumulation on the one hand, on the other hand realizes the even heating to carbon black granule material under the hot-blast effect, and the drying efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a drying device for wet granulation and pyrolysis of carbon black of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a drying drum in the drying device of the present invention.
Description of the drawings: 1-drying the roller; 2-front end sealing cabin; 3-rear end sealing cabin; 4-hot blast stove; 5-a tail gas combustion furnace; 6-hot air pipeline; 7-a regulating valve; 8-shovelling plates; 9-a granulation system; 10-a screening device; 11-a tail gas treatment system; 101-a housing; 102-an inner drum; 103-a cavity; 104-a first air inlet; 105-a second air inlet; 106-a first outlet; 107-a second air outlet; 201-arc sealing cover; 202-rotating a material raising impeller; 801-vent.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying examples. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1, the embodiment of the present invention provides a drying device for wet granulation cracking of carbon black, including a drum dryer, the drum dryer includes a drying drum 1, a front end sealing chamber 2, a rear end sealing chamber 3 and a hot air system, the drying drum 1 includes a casing 101, an inner drum 102, a cavity 103 is formed between the casing 101 and the inner drum 102, the hot air system includes a hot air furnace 4, a tail gas combustion furnace 5, a hot air pipeline 6 and a regulation and control valve 7, an exhaust port of the hot air system is respectively communicated with the inner drum 102 and the cavity 103 through a first air inlet 104 located on a side wall of the front end sealing chamber 2 and a second air inlet 105 located on a side wall of the casing 101; a first air outlet 106 communicated with the cavity 103 is arranged on the side wall of the rear end of the inner roller 102, and a second air outlet 107 communicated with the inner roller 102 is arranged on the top of the rear end sealed cabin 3.
The working principle is as follows: during operation, carbon black particles obtained by the granulation system 9 enter the inner drum 102 through the front end sealing bin 2, meanwhile, a part of high-temperature tail gas passing through the tail gas combustion furnace 5 and/or hot air in the hot air furnace enters the inner drum 102 through the first air inlet 104, and the other part of the high-temperature tail gas passes through the second air inlet 105 and enters the cavity 103 between the shell 101 and the inner drum 102, so that the carbon black particles inside the inner drum 102 are sufficiently heated and dried. The hot gas and/or the tail gas after heat exchange are discharged out of the drying drum 1 through the first air outlet 106 and the second air outlet 107 respectively, and are subjected to tail gas treatment through the tail gas treatment system 11. The control of the drying temperature of the carbon black particles in the inner drum 102 is realized by controlling the high-temperature tail gas in the tail gas combustion furnace 5 and the intake of the hot air in the hot air furnace, and the carbon black particles after being dried enter the finished product package or recycle through the screening device 10.
The utility model discloses make full use of carbon black schizolysis's high temperature tail gas among the drying device fires burning furnace and hot-blast furnace interaction through the control of regulation and control valve and provides the hot-blast system, and in the hot-blast cavity that gets into between interior cylinder and the casing simultaneously, the even heating of schizolysis carbon black granule in the realization is to the cylinder improves drying efficiency.
In the drying process, the proportion of hot air and high-temperature tail gas of the hot-blast stove input into the inner roller or the cavity is selected and controlled according to the condition of tail gas in the tail gas combustion furnace and the condition of hot air in the hot-blast stove, so that the drying temperature in the inner roller is effectively controlled, the temperature in the roller is accurately regulated, and the tail gas in the carbon black cracking process is effectively utilized as a heat supply source.
In order to further optimize the technical scheme, in this embodiment, the bottom of the front-end sealing bin 2 is an arc-shaped sealing cover 201, the bottom of the front-end sealing bin 2 is provided with a rotating winnowing impeller 202, and the rotating radius of the rotating winnowing impeller 202 is matched with the arc radius of an inner cavity of the arc-shaped sealing cover 201.
The blades on the rotary lifting impeller 202 are arc-shaped, and the rotating direction of the blades is consistent with the air inlet direction.
Preferably, the central axis of the rotating winnowing impeller 202 is lower than the opening position of the first air inlet 104.
The bottom is the front end sealed storehouse of arc structure and the cooperation of rotatory material impeller of raising, and the crooked direction of rotatory material impeller of raising is unanimous with the air inlet direction, need not to be connected with power device, make rotatory material impeller of raising clockwise rotation under the drive of hot-blast effect, the front end edge of blade plays the scraper blade effect, fully drive the material of front end sealed storehouse bottom and carry to the interior cylinder in, avoid the material accumulation on the one hand, on the other hand realizes the even heating to carbon black granule material under the hot-blast effect, and the drying efficiency is improved.
In this embodiment, a shoveling plate 8 is provided on the inner wall of the inner drum 102.
During operation, the carbon black particles obtained by wet granulation entering the inner drum 102 move forward continuously during the rotation of the drying drum 1 under the shoveling action of the shoveling plate 8.
More preferably, the shovelling plate 8 is provided with a vent 801. The full contact of the carbon black particles with hot air in the movement process is improved, and the drying efficiency is improved.
In this embodiment, the drying drum 1 is connected with the front end sealing bin 2 and the rear end sealing bin 3 through a sealing structure. Prevent cold wind entering drying drum 1 in, reduce drying efficiency, effectively avoid drying drum 1 in addition that the interior wind and dust granule of internal leakage, the polluted environment.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A drying device for wet granulation pyrolysis of carbon black comprises a roller dryer, wherein the roller dryer comprises a drying roller (1), a front end sealing bin (2), a rear end sealing bin (3) and a hot air system, and is characterized in that the drying roller (1) comprises a shell (101) and an inner roller (102), a cavity (103) is formed between the shell (101) and the inner roller (102), the hot air system comprises a hot air furnace (4), a tail gas combustion furnace (5), a hot air pipeline (6) and a regulating valve (7), and an exhaust port of the hot air system is respectively communicated with the inner roller (102) and the cavity (103) through a first air inlet (104) located in the side wall of the front end sealing bin (2) and a second air inlet (105) located in the side wall of the shell (101); a first air outlet (106) communicated with the cavity (103) is formed in the side wall of the rear end of the inner roller (102), and a second air outlet (107) communicated with the inner roller (102) is formed in the top of the rear end sealing bin (3).
2. The drying device for wet granulation cracking of carbon black according to claim 1, wherein the bottom of the front end sealing bin (2) is an arc-shaped sealing cover (201), the bottom of the front end sealing bin (2) is provided with a rotary material-lifting impeller (202), and the rotating radius of the rotary material-lifting impeller (202) is matched with the arc radius of the inner cavity of the arc-shaped sealing cover (201).
3. The drying device for wet granulation pyrolysis carbon black as claimed in claim 2, wherein the blades on the rotary winnowing impeller (202) are arc-shaped, and the rotation direction of the blades is consistent with the air inlet direction.
4. The drying device for wet granulation pyrolysis carbon black as claimed in claim 3, wherein the position of the central axis of the rotary winnowing impeller (202) is lower than the opening position of the first air inlet (104).
5. The drying device for wet granulation pyrolysis carbon black of claim 1, wherein a shovelling plate (8) is arranged on the inner wall of the inner drum (102).
6. A drying device for wet granulation pyrolysis carbon black according to claim 5, characterized in that a ventilation opening (801) is provided on the shovelling plate (8).
7. The drying device for wet granulation pyrolysis carbon black according to any one of claims 1 to 6, wherein the drying drum (1) is connected with the front end sealed cabin (2) and the rear end sealed cabin (3) through a sealing structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921899082.2U CN211147164U (en) | 2019-11-05 | 2019-11-05 | Drying device for wet granulation cracking of carbon black |
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| CN201921899082.2U CN211147164U (en) | 2019-11-05 | 2019-11-05 | Drying device for wet granulation cracking of carbon black |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726297A (en) * | 2019-11-05 | 2020-01-24 | 安徽省克林泰迩再生资源科技有限公司 | Drying device for wet granulation cracking of carbon black |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726297A (en) * | 2019-11-05 | 2020-01-24 | 安徽省克林泰迩再生资源科技有限公司 | Drying device for wet granulation cracking of carbon black |
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