CN216808701U - Airflow jet type pyrolysis device - Google Patents
Airflow jet type pyrolysis device Download PDFInfo
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- CN216808701U CN216808701U CN202220019634.1U CN202220019634U CN216808701U CN 216808701 U CN216808701 U CN 216808701U CN 202220019634 U CN202220019634 U CN 202220019634U CN 216808701 U CN216808701 U CN 216808701U
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- pyrolysis reactor
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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Abstract
The utility model discloses an airflow jet type pyrolysis device which comprises a pyrolysis reactor, wherein a feed inlet is formed in the upper wall of the pyrolysis reactor, a feed system is arranged on the upper side of the feed inlet, an air inlet is formed right below the pyrolysis reactor, an ash discharge valve is arranged right below the pyrolysis reactor, an airflow jet pipe is arranged at the joint of the air inlet and the inside of the pyrolysis reactor, a first airflow baffle and a second airflow baffle are arranged on the inner upper wall of the pyrolysis reactor, an air outlet is formed in the side wall of the pyrolysis reactor, an oil-gas separation system is arranged on one side of the air outlet, and an oil storage tank is arranged at the output end of the oil-gas separation system. According to the utility model, materials are added into the pyrolysis reactor, and the airflow injection pipe injects high-temperature nitrogen into the pyrolysis reactor, so that plastic particles and the high-temperature nitrogen flow are in mutual impact and are in full contact, the pyrolysis reaction is efficient and rapid, and the method has the advantages of short reaction time, high oil production efficiency, difficulty in material cementation and the like.
Description
Technical Field
The utility model relates to the field of waste plastic pyrolysis, in particular to an airflow jet type pyrolysis device.
Background
In recent years, various plastic products are used more and more, and white pollution is more and more serious. Plastics are used as a high molecular hydrocarbon polymer, and are difficult to degrade in a natural state, so that great burden is caused on the environment. At present, the treatment methods of plastic garbage mainly comprise burying and burning, and the methods cause serious environmental pollution. The problem of recycling garbage is widely concerned, and how to convert waste plastics into effective resources is a current hot problem.
The recycling treatment of the waste plastics is the best treatment mode of the waste plastics at present. One way of recycling is to granulate and then to re-make plastic products by various processes; another approach is to perform pyrolysis to produce oil. In the aspect of oil preparation by pyrolysis of waste plastics, due to the limitation of process design and the characteristics of plastics, other conventional process devices often have the defects of low reaction efficiency, long required time, unsatisfactory oil yield, easy cementation of materials and the like, so that the popularization and the use of the process are limited.
In view of the situation, the air flow jet type pyrolysis device is provided, the pyrolysis reaction of the plastic particles is more sufficient and efficient by utilizing the impact effect of high-temperature air flow and the plastic particles in a limited space, and the technical problems of long reaction time, low oil production efficiency, easy material cementation and the like of the conventional process device in the field are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a gas flow injection type pyrolysis device.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an air current injection formula pyrolysis device, includes pyrolysis reactor, the feed inlet has been seted up to pyrolysis reactor's upper wall, the upside of feed inlet is provided with feed system, the air inlet has been seted up under pyrolysis reactor, be provided with the unloading valve under pyrolysis reactor, the air inlet is provided with the air current injection pipe with pyrolysis reactor's inside department of linking to each other, pyrolysis reactor's interior upper wall is provided with first air current and separates the baffle and separate the baffle with the second air current, pyrolysis reactor's lateral wall has seted up the gas outlet, one side of gas outlet is provided with oil-gas separation system, oil-gas separation system's output is provided with the oil storage tank.
As a further description of the above technical solution:
the ash discharge valves are arranged on two sides of the air inlet.
As a further description of the above technical solution:
the airflow jet pipe and the feed inlet are positioned on the same axis.
As a further description of the above technical solution:
the first airflow separation baffle and the second airflow separation baffle are positioned on two sides above the airflow injection pipe.
As a further description of the above technical solution:
the height of the lowest position of the first airflow separation baffle and the second airflow separation baffle is lower than that of the air outlet.
As a further description of the above technical solution:
and the output end of the oil-gas separation system is provided with a tail gas treatment system.
As a further description of the above technical solution:
the feeding system and the feeding hole adopt a dynamic sealing technology.
As a further description of the above technical solution:
the tail gas treatment system includes, but is not limited to, a dedusting device and a deacidification device.
The utility model has the following beneficial effects:
1. compared with the prior art, this air current sprays formula pyrolysis device adds the material in toward the pyrolysis reactor through feed system, then injects high temperature nitrogen gas in toward the pyrolysis reactor through the air current injection pipe, enables plastic granules and high temperature nitrogen gas stream and carries out the offset in limited space, and both abundant contacts make pyrolytic reaction high-efficient swift more, and this device has advantages such as reaction time is short, produce that oil is efficient, the material is difficult for gluing.
2. Compared with the prior art, this air current injection formula pyrolysis device, this device area is little, and the convenient swift of technology, pyrolysis oil gas separate baffle, second air current through first air current and separate in baffle and the gas outlet enters into oil-gas separation system and the oil storage tank, through the waste plastics of pyrolysis technology processing, the maximize obtains the pyrolysis oil product of high-quality.
Drawings
Fig. 1 is a schematic view of the overall structure of a gas-jet pyrolysis apparatus according to the present invention.
Illustration of the drawings:
1. a feed system; 2. an oil-gas separation system; 3. an oil storage tank; 4. a tail gas treatment system; 5. a feed inlet; 6. an air outlet; 7. an air inlet; 8. an ash discharge valve; 9. a pyrolysis reactor; 10. an air jet pipe; 11. a first gas flow divider; 12. a second airflow baffle.
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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides an air-jet pyrolysis apparatus: the device comprises a pyrolysis reactor 9, wherein the pyrolysis reactor 9 is of a vertical inverted cone-shaped structure and is wide at the top and narrow at the bottom, a feed inlet 5 is formed in the upper wall of the pyrolysis reactor 9, a feed system 1 is arranged on the upper side of the feed inlet 5, the feed system 1 and the feed inlet 5 adopt a dynamic sealing technology to ensure the sealing property of the pyrolysis reactor 9, waste plastics which are fully crushed in the feed system 1 enter the pyrolysis reactor 9 through the feed inlet 5, an air inlet 7 is formed right below the pyrolysis reactor 9, an ash discharge valve 8 is arranged right below the pyrolysis reactor 9 and is used for periodically cleaning pyrolysis ash, the ash discharge valve 8 is arranged on two sides of the air inlet 7, an airflow jet pipe 10 is arranged at the connection part of the air inlet 7 and the inside of the pyrolysis reactor 9 and has the function of adjusting the airflow speed and controlling the jet speed of high-temperature gas, the airflow jet pipe 10 and the feed inlet 5 are on the same axis, the inner upper wall of the pyrolysis reactor 9 is provided with a first airflow separation baffle 11 and a second airflow separation baffle 12 to prevent high-temperature airflow from escaping to both sides in a large range and limit the spraying range of the high-temperature gas, material particles and the high-temperature airflow are in full contact in a certain range to enable pyrolysis reaction to be more efficient and rapid, the side wall of the pyrolysis reactor 9 is provided with an air outlet 6, one side of the air outlet 6 is provided with an oil-gas separation system 2, the output end of the oil-gas separation system 2 is provided with an oil storage tank 3, the output end of the oil-gas separation system 2 is provided with a tail gas treatment system 4, the tail gas treatment system 4 comprises but not limited to a dust removal device and a deacidification device, after the oil-gas separation system 2 condenses and separates high-temperature pyrolysis oil gas, high-quality pyrolysis oil enters the oil storage tank 3 for storage, the separated tail gas is conveyed to the tail gas treatment system 4 through a pipeline and is subjected to a series of dust removal, deacidification and the like, and the tail gas is discharged after reaching the standard.
First air current separates baffle 11 and second air current and separates baffle 12 and be located the top both sides of air jet pipe 10, and first air current separates baffle 11 and second air current and separates the height ratio of baffle 12 least significant department and give vent to anger, and first air current separates baffle 11 and second air current and separates the lowest significant department height of baffle 12 and can make pyrolysis oil gas discharge from 6 departments of gas outlet, can not make pyrolysis oil gas blow plastic granules to gas outlet 6 together, can prevent that gas outlet 6 from being blockked up.
The working principle is as follows: high-temperature nitrogen enters the airflow injection pipe 10 through the air inlet 7, and enters the pyrolysis reactor 9 after the airflow rate is adjusted to be proper; meanwhile, after being fully crushed in the feeding system 1, the waste plastics enter the pyrolysis reactor 9 through the feeding hole 5; in the upper space of the pyrolysis reactor 9, the plastic particles fall under the action of gravity; in the lower space inside the pyrolysis reactor 9, the high-temperature nitrogen flow is in a jet shape from bottom to top; the first airflow separation baffle 11 and the second airflow separation baffle 12 inside the pyrolysis reactor 9 limit the plastic particles and the high-temperature nitrogen flow in a certain space, and limit the high-temperature nitrogen flow to escape to two sides in a large range; the plastic particles and the high-temperature nitrogen flow are subjected to hedging in a limited space and are fully contacted, so that the pyrolysis reaction is more efficient and rapid; pyrolysis oil gas generated after the reaction enters an air outlet 6 on the side wall of the reactor shell along a gap below the first airflow separation baffle 11 and the second airflow separation baffle 12; the high-temperature pyrolysis oil gas enters the oil-gas separation system 2 through the gas outlet 6, and after condensation and separation, the high-quality pyrolysis oil enters the oil storage tank 3 for storage; the separated tail gas is conveyed to a tail gas treatment system 4 through a pipeline, and after a series of treatments such as dust removal, deacidification and the like, the tail gas reaches the standard and is discharged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. A gas-jet pyrolysis apparatus comprising a pyrolysis reactor (9), characterized in that: feed inlet (5) have been seted up to the upper wall of pyrolysis reactor (9), the upside of feed inlet (5) is provided with charge-in system (1), air inlet (7) have been seted up under pyrolysis reactor (9), be provided with unloading valve (8) under pyrolysis reactor (9), air inlet (7) are provided with air jet pipe (10) with the inside department of linking to each other of pyrolysis reactor (9), the interior upper wall of pyrolysis reactor (9) is provided with first air current and separates baffle (11) and second air current and separate baffle (12), gas outlet (6) have been seted up to the lateral wall of pyrolysis reactor (9), one side of gas outlet (6) is provided with oil-gas separation system (2), the output of oil-gas separation system (2) is provided with oil storage tank (3).
2. A gas-jet pyrolysis apparatus as recited in claim 1, further comprising: the ash discharge valves (8) are arranged on two sides of the air inlet (7).
3. A gas-jet pyrolysis apparatus as recited in claim 1, further comprising: the airflow jet pipe (10) and the feed port (5) are positioned on the same axis.
4. A gas-jet pyrolysis apparatus as recited in claim 1, further comprising: the first airflow separation baffle plate (11) and the second airflow separation baffle plate (12) are positioned on two sides above the airflow injection pipe (10).
5. A gas-jet pyrolysis apparatus as recited in claim 1, further comprising: the height of the lowest position of the first airflow separation baffle plate (11) and the second airflow separation baffle plate (12) is lower than that of the air outlet (6).
6. A gas-jet pyrolysis apparatus as recited in claim 1, further comprising: and the output end of the oil-gas separation system (2) is provided with a tail gas treatment system (4).
7. A gas-jet pyrolysis apparatus as recited in claim 1, further comprising: the feeding system (1) and the feeding hole (5) adopt a dynamic sealing technology.
8. A gas-jet pyrolysis apparatus as claimed in claim 6, wherein: the tail gas treatment system (4) comprises but is not limited to a dust removal device and a deacidification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019634.1U CN216808701U (en) | 2022-01-06 | 2022-01-06 | Airflow jet type pyrolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019634.1U CN216808701U (en) | 2022-01-06 | 2022-01-06 | Airflow jet type pyrolysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216808701U true CN216808701U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220019634.1U Active CN216808701U (en) | 2022-01-06 | 2022-01-06 | Airflow jet type pyrolysis device |
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| Country | Link |
|---|---|
| CN (1) | CN216808701U (en) |
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2022
- 2022-01-06 CN CN202220019634.1U patent/CN216808701U/en active Active
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