CN218491660U - Waste tire pyrolysis device capable of recycling pyrolysis gas - Google Patents
Waste tire pyrolysis device capable of recycling pyrolysis gas Download PDFInfo
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- CN218491660U CN218491660U CN202222363135.7U CN202222363135U CN218491660U CN 218491660 U CN218491660 U CN 218491660U CN 202222363135 U CN202222363135 U CN 202222363135U CN 218491660 U CN218491660 U CN 218491660U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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Abstract
The utility model discloses a junked tire pyrolysis device of cyclic utilization pyrolysis gas, the feed inlet of fused salt pyrolysis oven is connected to the discharge gate tube coupling of its junked tire feed bin, the air inlet of fused salt pyrolysis oven's gas outlet tube coupling pyrolysis gas condenser, the inlet of pyrolysis gas condenser's gas outlet tube coupling fused salt heating furnace and the pyrolysis gas import of pyrolysis gas heat exchanger, the flue gas import of pyrolysis gas heat exchanger is connected to the flue gas outlet tube coupling of fused salt heating furnace, the air inlet of fused salt pyrolysis oven is connected to the pyrolysis gas outlet tube coupling of pyrolysis gas heat exchanger, the low temperature fused salt import of fused salt heating furnace is connected to the low temperature fused salt outlet tube coupling of fused salt pyrolysis oven, the high temperature fused salt import of fused salt pyrolysis oven is connected to the high temperature fused salt outlet tube coupling of fused salt heating furnace. This device can make full use of the flue gas waste heat of fused salt heating furnace to pyrolysis gas after the reheating is the heat-carrying medium, directly conducts heat to tire granule, improves its intensification rate, and then increases pyrolysis oil output, improves pyrolysis carbon black quality.
Description
Technical Field
The utility model belongs to the technical field of junked tire treatment facility, concretely relates to junked tire pyrolysis device of cyclic utilization pyrolysis gas.
Background
In recent years, the automobile industry in China has been developed sufficiently, and the waste tire treatment industry is also growing. At present, the main treatment modes of waste tires in China are the production of reclaimed rubber, rubber powder/rubber particles and pyrolysis. The waste tire pyrolysis technology is suitable for tires which cannot be used for retreading again, and finally the waste tires are converted into pyrolysis oil, pyrolysis carbon black and pyrolysis gas, so that the method is a final treatment scheme of the waste tires.
At present, the heating modes of the waste tire pyrolysis technology mainly include two main types: (1) Indirect heating, wherein the heating medium is high-temperature hot air or high-temperature molten salt; and (2) microwave heating, which can also be called direct heating. The indirect heating mode has the characteristics of simple equipment and low operation cost, but the obtained pyrolytic carbon black has poor quality and low yield of pyrolytic oil; the microwave heating has the characteristics of complex equipment and high operation cost, but the obtained pyrolytic carbon black has high quality and high yield of pyrolytic oil. The deep analysis shows that: in the indirect heating process, the heating medium cannot directly contact with the tire particles, so that the temperature rise rate of the tire particles is low, and the reaction efficiency and the yield of the pyrolysis oil gas are influenced finally.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved is as follows: to the technical problem, the utility model provides a junked tire pyrolysis device of cyclic utilization pyrolysis gas can make full use of flue gas waste heat, can directly conduct heat for the tire granule again to the rate of rising temperature has been improved, pyrolysis oil output has been increased, pyrolysis carbon black quality has been improved.
The technical scheme is as follows: the utility model provides a cyclic utilization pyrolytic gas's junked tire pyrolysis device, includes junked tire feed bin, fused salt pyrolysis oven, pyrolytic gas condenser, fused salt heating furnace and pyrolytic gas heat exchanger, the feed inlet of fused salt pyrolysis oven is connected to the discharge gate tube coupling of junked tire feed bin, the air inlet of fused salt pyrolysis oven's gas outlet tube coupling pyrolytic gas condenser, the inlet of fused salt heating furnace and pyrolytic gas heat exchanger's pyrolytic gas import are connected to the gas outlet tube coupling of pyrolytic gas condenser, the flue gas import of fused salt heating furnace is connected to the exhanst gas outlet tube coupling of fused salt heating furnace, the air inlet of fused salt pyrolysis oven is connected to the pyrolytic gas outlet tube coupling of pyrolytic gas heat exchanger, the low temperature fused salt import of fused salt heating furnace is connected to the low temperature fused salt outlet tube coupling of fused salt pyrolysis oven, the high temperature fused salt import of fused salt pyrolysis oven is connected to the high temperature fused salt outlet tube coupling of fused salt heating furnace.
Preferably, the device also comprises a pyrolytic carbon black granulator, and a feed inlet pipeline of the pyrolytic carbon black granulator is connected with a carbon black outlet of the molten salt pyrolysis furnace.
Preferably, the device further comprises a pyrolysis oil storage tank, and a liquid inlet pipeline of the pyrolysis oil storage tank is connected with a liquid outlet of the pyrolysis gas condenser.
Preferably, the device also comprises a pyrolysis gas storage tank, and a gas inlet pipeline of the pyrolysis gas storage tank is connected with a gas outlet of the pyrolysis gas condenser.
Preferably, the device further comprises a flue gas purifier, and a flue gas inlet pipeline of the flue gas purifier is connected with a flue gas outlet of the pyrolysis gas heat exchanger.
Has the beneficial effects that: the utility model discloses changed current only through fused salt indirect heating junked tire's device structure, flue gas waste heat that can make full use of fused salt heating furnace to pyrolysis gas after the reheating is the heat-carrying medium, transmits this part heat for the tire granule through the mode of direct heat transfer, improves the rate of rise of temperature of tire granule, and then increases pyrolysis oil output, improves pyrolysis carbon black quality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the numerical references in the figures represent the following meanings: 1. the system comprises a waste tire storage bin, a 2 molten salt pyrolysis furnace, a 3 pyrolytic carbon black granulator, a 4 pyrolytic gas condenser, a 5 pyrolytic oil storage tank, a 6 pyrolytic gas storage tank, a 7 molten salt heating furnace, an 8 pyrolytic gas heat exchanger and a 9 smoke purifier.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
As shown in fig. 1, the junked tire pyrolysis device for recycling pyrolysis gas comprises a junked tire bin 1, a molten salt pyrolysis furnace 2, a pyrolysis carbon black granulator 3, a pyrolysis gas condenser 4, a pyrolysis oil storage tank 5, a pyrolysis gas storage tank 6, a molten salt heating furnace 7 and a pyrolysis gas heat exchanger 8.
The feed inlet of fused salt pyrolysis oven 2 is connected to the discharge gate tube coupling of junked tire feed bin 1, the air inlet of fused salt pyrolysis oven 2's gas outlet tube coupling pyrolysis gas condenser 4, the carbon black export of fused salt pyrolysis oven 2 is connected to the feed inlet tube coupling of pyrolysis carbon black granulator 3, the inlet of pyrolysis gas condenser 4's gas outlet tube coupling fused salt heating furnace 7 and the pyrolysis gas import of pyrolysis gas heat exchanger 8, the liquid outlet of pyrolysis gas condenser 4 is connected to the inlet tube coupling of pyrolysis oil storage tank 5, the gas outlet of pyrolysis gas condenser 4 is connected to the air inlet tube coupling pyrolysis gas of pyrolysis gas storage tank 6, the flue gas import of fused salt heating furnace 8 is connected to the flue gas outlet tube coupling of fused salt heating furnace 7, the pyrolysis gas export tube coupling fused salt import of fused salt pyrolysis oven 2 of pyrolysis gas heat exchanger 8, the low temperature fused salt export tube coupling fused salt import of fused salt heating furnace 7, the high temperature fused salt export tube coupling fused salt import of fused salt pyrolysis oven 2 of fused salt heating furnace 7.
The device also comprises a flue gas purifier 9, and a flue gas inlet pipeline of the flue gas purifier is connected with a flue gas outlet of the pyrolysis gas heat exchanger 8.
The device of the embodiment has the following working procedures:
(1) The treated waste tire particles enter a molten salt pyrolysis furnace 2 from a stored waste tire bin 1, and meanwhile, pyrolysis gas heated to 300-500 ℃ by a pyrolysis gas heat exchanger 8 also enters the molten salt pyrolysis furnace 2 along with the waste tire particles;
(2) The waste tire particles are indirectly heated by furnace wall high-temperature molten salt in the molten salt pyrolysis furnace 2, and are directly heated by high-temperature pyrolysis gas in the furnace, and the waste tire particles are rapidly heated under the heating of two high-temperature media and are pyrolyzed to form high-temperature pyrolysis gas and pyrolysis carbon black;
(3) The pyrolytic carbon black enters a pyrolytic carbon black granulator 3, and is packaged and sold after the processes of cooling, granulating, drying and the like;
(4) The high-temperature pyrolysis gas enters a pyrolysis gas condenser 4 and is divided into two parts by cooling and condensation: pyrolysis oil and non-condensable pyrolysis gas. The pyrolysis oil is conveyed to a pyrolysis oil storage tank 5; the non-condensable pyrolysis gas is divided into three parts: one part is used as fuel of the molten salt heating furnace 7, the other part heats the waste tire particles after being heated in the pyrolysis gas heat exchanger 8, and the other part is stored in the pyrolysis gas storage tank 6;
(5) The heat released by fuel combustion in the molten salt heating furnace 7 enables the molten salt cooled by the molten salt pyrolyzing furnace 2 to be heated again, and the heated molten salt returns to the molten salt pyrolyzing furnace 2 again to complete the pyrolysis reaction;
(6) The temperature of high-temperature flue gas generated by fuel combustion in the molten salt heating furnace 7 is about 550 ℃, then the high-temperature flue gas enters the pyrolysis gas heat exchanger 8, the temperature is reduced to about 150 ℃ after heat exchange, and finally the high-temperature flue gas enters the flue gas purifier 9 to be purified and then is discharged.
Claims (5)
1. The utility model provides a cyclic utilization pyrolysis gas's junked tire pyrolysis device, a serial communication port, including junked tire feed bin (1), fused salt pyrolysis stove (2), pyrolysis gas condenser (4), fused salt heating furnace (7) and pyrolysis gas heat exchanger (8), the feed inlet of discharge gate tube coupling fused salt pyrolysis stove (2) of junked tire feed bin (1), the air inlet of gas outlet tube coupling pyrolysis gas condenser (4) of fused salt pyrolysis stove (2), the air inlet of gas outlet tube coupling fused salt heating furnace (7) and the pyrolysis gas import of pyrolysis gas heat exchanger (8) of pyrolysis gas condenser (4), the flue gas inlet of flue gas outlet tube coupling pyrolysis gas heat exchanger (8) of fused salt heating furnace (7), the air inlet of fused salt pyrolysis stove (2) is connected to the pyrolysis gas outlet tube coupling of pyrolysis gas heat exchanger (8), the low temperature import of fused salt outlet tube coupling heating furnace (7) of fused salt pyrolysis stove (2), the high temperature fused salt import of fused salt pyrolysis stove (2) is connected to the high temperature fused salt outlet tube coupling of fused salt heating furnace (7).
2. The pyrolysis device for the junked tires capable of recycling pyrolysis gas according to claim 1, characterized in that the device further comprises a pyrolysis carbon black granulator (3), and a feed inlet pipeline of the pyrolysis carbon black granulator is connected with a carbon black outlet of the molten salt pyrolysis furnace (2).
3. The pyrolysis device for the junked tires capable of recycling pyrolysis gas according to claim 1, characterized in that the device further comprises a pyrolysis oil storage tank (5), wherein a liquid inlet pipeline of the pyrolysis oil storage tank (5) is connected with a liquid outlet of the pyrolysis gas condenser (4).
4. The pyrolysis device for waste tires capable of recycling pyrolysis gas according to claim 1, characterized by further comprising a pyrolysis gas storage tank (6), wherein a gas inlet pipeline of the pyrolysis gas storage tank (6) is connected with a gas outlet of the pyrolysis gas condenser (4).
5. The pyrolysis device for the junked tires for recycling pyrolysis gas according to claim 1, characterized in that, the device further comprises a flue gas purifier (9), and a flue gas inlet pipeline of the flue gas purifier is connected with a flue gas outlet of the pyrolysis gas heat exchanger (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222363135.7U CN218491660U (en) | 2022-09-06 | 2022-09-06 | Waste tire pyrolysis device capable of recycling pyrolysis gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222363135.7U CN218491660U (en) | 2022-09-06 | 2022-09-06 | Waste tire pyrolysis device capable of recycling pyrolysis gas |
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| CN218491660U true CN218491660U (en) | 2023-02-17 |
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| CN202222363135.7U Active CN218491660U (en) | 2022-09-06 | 2022-09-06 | Waste tire pyrolysis device capable of recycling pyrolysis gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117865428A (en) * | 2024-01-16 | 2024-04-12 | 湖南清源华建环境科技有限公司 | Sludge pyrolysis carbonization equipment |
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2022
- 2022-09-06 CN CN202222363135.7U patent/CN218491660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117865428A (en) * | 2024-01-16 | 2024-04-12 | 湖南清源华建环境科技有限公司 | Sludge pyrolysis carbonization equipment |
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