CN114917843A - Continuous pyrolysis device with a plurality of energy ball circulating pipes arranged on inner wall of reaction kettle - Google Patents
Continuous pyrolysis device with a plurality of energy ball circulating pipes arranged on inner wall of reaction kettle Download PDFInfo
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- CN114917843A CN114917843A CN202210641318.2A CN202210641318A CN114917843A CN 114917843 A CN114917843 A CN 114917843A CN 202210641318 A CN202210641318 A CN 202210641318A CN 114917843 A CN114917843 A CN 114917843A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 84
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000003044 adaptive effect Effects 0.000 claims abstract description 3
- 239000002893 slag Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 abstract 3
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
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- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a continuous pyrolysis device with a plurality of energy ball circulating pipes arranged on the inner wall of a reaction kettle, wherein a feeding device is hermetically connected with the pyrolysis device, the pyrolysis device comprises a heating furnace, the reaction kettle, circulating pipes, a ball guide pipe, a separation sieve and a material gathering groove, the reaction kettle is rotatably sleeved on the inner side of the heating furnace, the plurality of circulating pipes are uniformly and fixedly arranged on the inner wall of the reaction kettle, one end of each circulating pipe is fixedly provided with the ball guide pipe, the ball guide pipe is communicated with one end of the separation sieve, and the other end of the separation sieve is communicated with the material gathering groove; one end of the reaction kettle is connected with the discharging device in an adaptive manner. The invention has simple integral structure, can ensure that materials can be fully stirred and uniformly scattered without caking when the materials are subjected to pyrolysis reaction in the reaction kettle, has stable feeding and discharging, is reliable in sealing in the whole reaction process, and improves the working efficiency of pyrolysis.
Description
Technical Field
The invention relates to the technical field of solid waste recycling pyrolysis devices, in particular to a continuous pyrolysis device with a plurality of energy ball circulating pipes arranged on the inner wall of a reaction kettle.
Background
The main structure of the rotary continuous equipment for pyrolysis treatment of waste tires, waste plastics, waste oil, oil sludge and the like is a cylindrical rotary industrial kiln, namely the equipment is a single rotatable cylinder, and the equipment mainly absorbs heat from the outer surface of the cylinder and transfers the heat to materials in a reaction kettle to absorb heat for pyrolysis. The equipment in the prior art has a small heat exchange area, and the biggest problem is that a lot of materials are unified into blocks under the high-temperature pyrolysis environment, so that heat absorption and cracking cannot be balanced, and the production capacity is influenced.
The present Chinese published invention has patent numbers as follows: 201911162930.6, disclosing that the utility model discloses a thermal decomposition material device with an energy ball circulator in a reaction kettle, the proposal arranges an energy ball circulating pipe at the center of the reaction kettle, and an energy ball and slag separating sieve must be arranged at the center, which causes the center of the reaction kettle to be crowded, affects the maintenance and operation of the equipment, and the maintainer can only bend the side body when walking in the reaction kettle because the circulating pipe is at the center, and the material is easy to slip down to cause accidents. Therefore, in order to improve the smoothness of equipment maintenance and operation, a novel reaction kettle provided with energy balls is designed, which can not only perform the functions of energy ball dispersion and heat storage and transfer, but also facilitate maintenance and operation, and the development direction is further improved.
Disclosure of Invention
In order to solve the technical problem, the invention provides a continuous pyrolysis device with a plurality of energy ball circulating pipes arranged on the inner wall of a reaction kettle.
The invention provides the following technical scheme: the continuous pyrolysis device comprises a feeding device, a pyrolysis device and a discharging device, wherein the feeding device is hermetically connected with the pyrolysis device, the pyrolysis device comprises a heating furnace, a reaction kettle, circulating pipes, ball guide pipes, a separating sieve and a scooping trough, the reaction kettle is rotatably sleeved on the inner side of the heating furnace, the circulating pipes are uniformly and fixedly mounted on the inner wall of the reaction kettle, the ball guide pipes are fixedly mounted at one ends of the circulating pipes, the ball guide pipes are communicated with one ends of the separating sieve, and the scooping trough is communicated with the other end of the separating sieve; one end of the reaction kettle is connected with the discharging device in an adaptive manner.
Preferably, one end of the feeding device extends into the reaction kettle, and a sealing sleeve is sleeved at the intersection of the reaction kettle and the feeding device.
Preferably, the outer wall of the circulating pipe is surrounded by a guide spiral plate, and the guide spiral plate is connected with the inner wall of the reaction kettle through an annular support plate.
Preferably, one end of the material scooping groove extends into the middle of the side edge of the separating screen, and the other end of the material scooping groove extends between the inner wall of the reaction kettle and the circulating pipe.
Preferably, a left riding wheel component and a right riding wheel component are respectively installed at two ends of the reaction kettle, which extend out of the heating furnace, and a driving wheel is arranged on the right riding wheel component.
Preferably, the discharging device comprises a discharging groove, a pipe connecting sleeve, a slag discharging port and an exhaust port, one end of the reaction kettle is communicated with the discharging groove, the pipe connecting sleeve is embedded in the periphery of the discharging groove, and one end of the pipe connecting sleeve is matched with the reaction kettle; the slag discharging port is formed in the lower end of the discharging groove, the gas exhaust port is formed in the upper end of the discharging groove, and the gas exhaust port is connected with an external gas heat exchange device.
Preferably, the separating screen is circular in cross-section.
Preferably, a gap is left between one end of the feeding device, which extends into the reaction kettle, and the circulating pipe.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, through the mutual matching of the feeding device, the pyrolysis device and the discharging device, the overall structure is simple, materials can be fully stirred and uniformly broken up without caking during the pyrolysis reaction in the reaction kettle, the feeding and discharging are stable, the whole reaction process is sealed and reliable, and the working efficiency of pyrolysis is improved;
(2) according to the invention, only a small section of separating screen is arranged in the reaction kettle, and the circulating pipe is arranged close to the inner wall of the reaction kettle, so that a relatively spacious space is left in the center of the reaction kettle, workers do not need to bend over or lean to move sideways during maintenance, the walking is smooth during maintenance, slipping caused by the side body is avoided, and the safety is better.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of a separating screen of the present invention.
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.
As shown in fig. 1 to 2, a plurality of energy ball circulating pipes are arranged on the inner wall of the reaction kettle, and the continuous pyrolysis device comprises a feeding device 1, a heating furnace 2, a reaction kettle 3, a circulating pipe 4, a ball guide pipe 5, a separating screen 6, a material scooping groove 7, a sealing sleeve 8, a guide spiral plate 9, an annular supporting plate 10, a left supporting wheel assembly 11, a right supporting wheel assembly 12, a driving wheel 13, a discharge groove 14, a connecting pipe sleeve 15, a slag discharge port 16, an exhaust port 17, a material 18 and energy balls 19.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The feeding device 1 is hermetically connected with the pyrolysis device, one end of the feeding device 1 extends into the reaction kettle 3, and a sealing sleeve 8 is sleeved at the intersection of the reaction kettle 3 and the feeding device 1, so that the overflow of the material 18 during feeding is avoided, and the sealing performance of the device is ensured;
the pyrolysis device comprises a heating furnace 2, a reaction kettle 3, circulation pipes 4, a ball guide pipe 5, a separating sieve 6 and a material scooping groove 7, wherein the reaction kettle 3 is rotatably sleeved on the inner side of the heating furnace 2, the circulation pipes 4 are uniformly and fixedly arranged on the inner wall of the reaction kettle 3, a guide spiral plate 9 is arranged on the outer wall of each circulation pipe 4 in a surrounding mode, the guide spiral plate 9 is connected with the inner wall of the reaction kettle 3 through an annular supporting plate 10, spiral plates are arranged on the inner wall of the reaction kettle 3 and the inner wall of each circulation pipe 4, and are convenient for transferring materials 18. Specifically, the circulation pipes 4 are uniformly arranged, so that the reaction kettle 3 can stably rotate, and the materials 18 and the energy balls 19 can be better pyrolyzed in the pyrolysis process, and four groups are taken as examples in the drawing of the embodiment;
a ball guide pipe 5 is fixedly installed at one end of the circulating pipe 4, the ball guide pipe 5 is communicated with one end of the separating sieve 6, the cross section of the separating sieve 6 is circular, and the circulating pipe 4, the ball guide pipe 5 and the separating sieve 6 can keep coaxiality in the rotating process of the reaction kettle 3, so that the coordinated operation of the reaction kettle 3 and all parts in the reaction kettle 3 is facilitated, and the working efficiency of pyrolysis is improved;
the other end of the separating sieve 6 is communicated with a material gathering groove 7, one end of the material gathering groove 7 extends into the side edge of the separating sieve 6 and enables the middle parts of the material gathering groove and the separating sieve to be communicated, the other end of the material gathering groove 7 extends between the inner wall of the reaction kettle 3 and the circulating pipe 4, and the material gathering groove 7 is convenient for collecting materials 18 and energy balls 19 thrown in from the feeding device 1;
the two ends of the reaction kettle 3 extending out of the heating furnace 2 are respectively provided with a left riding wheel component 11 and a right riding wheel component 12, the right riding wheel component 12 is provided with a driving wheel 13, and the driving wheel 13 drives the reaction kettle 3 to rotate, so that materials 18 and energy balls 19 in the reaction kettle 3 can be better mixed and scattered to be pyrolyzed.
Separating screen 6 has only set up a segment in reation kettle 3, and circulating pipe 4 is close to in 3 inner walls settings of reation kettle for 3 central point spare of reation kettle have a comparatively spacious space, and the staff need not bow or incline the side to walk when overhauing, and the walking is smooth and easy when overhauing, has avoided taking place to slip because of the side, and the security is better.
One end of the reaction kettle 3 is connected with a discharging device in a matched mode, the discharging device comprises a discharging groove 14, a pipe connecting sleeve 15, a slag discharging port 16 and an exhaust port 17, one end of the reaction kettle 3 is communicated with the discharging groove 14, the pipe connecting sleeve 15 is embedded in the periphery of the discharging groove 14, and one end of the pipe connecting sleeve 15 is installed with the reaction kettle 3 in a matched mode; the lower end of the discharge chute 14 is provided with a slag discharge port 16, the upper end of the discharge chute 14 is provided with an exhaust port 17, and the exhaust port 17 is connected with an external gas heat exchange device, the gas heat exchange device used by the invention is a common gas heat exchange device in the market, such as a cooler capable of participating in distillation, and the like, which is not the innovation point of the invention, so the invention is not shown in detail.
A gap is reserved between one end of the feeding device 1 extending into the reaction kettle 3 and the circulating pipe 4.
The working principle of the invention is as follows: the mixture of the materials 18 and the energy balls 19 is fed from the opening of the feeding device 1, the materials 18 and the energy balls 19 move along a spiral plate on the inner wall of the reaction kettle 3, the heating furnace 2 heats the materials, the reaction kettle 3 rotates at a preset speed so as to be heated, the materials 18 are prevented from caking in the rotating beating of the energy balls 19, the materials 18 are pushed into the separating sieve 6 from the material scooping groove 7 after pyrolysis is completed, and are screened, in the embodiment, the diameter of the energy balls 19 is larger than the pore diameter of the sieve pores of the separating sieve 6, the energy balls 19 cannot be screened out along with the materials 18, but fall into the circulating pipe 4 along the ball guide pipe 5, then fall back to the right end of the reaction kettle 3 along a spiral groove in the circulating pipe 4, and continue to circulate in the reaction kettle 3 along with the newly-added materials 18 for pyrolysis; discharged waste residue material 18 directly falls reation kettle 3 from separating screen 6 in, owing to having blockking of annular support plate 10, material 18 can move to the ejection of compact 14 that drops along 3 inner walls of reation kettle towards the left side, is poured the cinder notch 16 by blown down tank 14 again, and distilled gas is discharged by gas vent 17 and is retrieved by outside gas heat transfer device again, realizes green safety's production again.
According to the invention, through the mutual matching of the feeding device 1, the pyrolysis device and the discharging device, the overall structure is simple, the materials 18 can be fully stirred and uniformly scattered without caking in the mixing process with the energy balls 19 when undergoing pyrolysis reaction in the reaction kettle 3, the feeding and discharging are stable, the whole reaction process is sealed and reliable, and the working efficiency of pyrolysis is improved.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention are still included in the scope of the present invention.
Claims (8)
1. A plurality of energy ball circulating pipes are arranged on the inner wall of the reaction kettle, and the continuous pyrolysis device is characterized in that: the device comprises a feeding device (1), a pyrolysis device and a discharging device, wherein the feeding device (1) is connected with the pyrolysis device in a sealing manner, the pyrolysis device comprises a heating furnace (2), a reaction kettle (3), circulating pipes (4), a ball guide pipe (5), a separating sieve (6) and a scooping trough (7), the reaction kettle (3) is rotatably sleeved on the inner side of the heating furnace (2), the inner wall of the reaction kettle (3) is uniformly and fixedly provided with the circulating pipes (4), one end of each circulating pipe (4) is fixedly provided with the ball guide pipe (5), the ball guide pipe (5) is communicated with one end of the separating sieve (6), and the other end of the separating sieve (6) is communicated with the scooping trough (7); one end of the reaction kettle (3) is connected with the discharging device in an adaptive manner.
2. The continuous pyrolysis device with a plurality of energy ball circulation pipes arranged on the inner wall of the reaction kettle according to claim 1, is characterized in that: one end of the feeding device (1) extends into the reaction kettle (3), and a sealing sleeve (8) is sleeved at the intersection of the reaction kettle (3) and the feeding device (1).
3. The continuous pyrolysis device with the energy ball circulation pipes arranged on the inner wall of the reaction kettle according to the claim 1 or 2, is characterized in that: the outer wall of the circulating pipe (4) is surrounded by a guide spiral plate (9), and the guide spiral plate (9) is connected with the inner wall of the reaction kettle (3) through an annular supporting plate (10).
4. The continuous pyrolysis device with a plurality of energy ball circulation pipes arranged on the inner wall of the reaction kettle according to claim 3, is characterized in that: one end of the material scooping groove (7) extends into the middle of the side edge of the separating screen (6), and the other end of the material scooping groove (7) extends between the inner wall of the reaction kettle (3) and the circulating pipe (4).
5. The continuous pyrolysis device with the plurality of energy ball circulation pipes arranged on the inner wall of the reaction kettle according to claim 4, is characterized in that: a left carrier wheel component (11) and a right carrier wheel component (12) are respectively installed at two ends of the reaction kettle (3) extending out of the heating furnace (2), and a driving wheel (13) is arranged on the right carrier wheel component (12).
6. The continuous pyrolysis device with a plurality of energy ball circulating pipes arranged on the inner wall of the reaction kettle according to claim 1, is characterized in that: the discharging device comprises a discharging groove (14), a pipe connecting sleeve (15), a slag discharging port (16) and an exhaust port (17), one end of the reaction kettle (3) is communicated with the discharging groove (14), the pipe connecting sleeve (15) is embedded in the periphery of the discharging groove (14), and one end of the pipe connecting sleeve (15) is installed with the reaction kettle (3) in a matched mode; the slag discharging device is characterized in that a slag discharging port (16) is formed in the lower end of the discharging groove (14), an exhaust port (17) is formed in the upper end of the discharging groove (14), and the exhaust port (17) is connected with an external gas heat exchange device.
7. The continuous pyrolysis device with a plurality of energy ball circulation pipes arranged on the inner wall of the reaction kettle according to claim 1 or 4, is characterized in that: the cross section of the separating screen (6) is circular.
8. The continuous pyrolysis device with a plurality of energy ball circulation pipes arranged on the inner wall of the reaction kettle according to claim 1 or 4, is characterized in that: a gap is reserved between one end of the feeding device (1) extending into the reaction kettle (3) and the circulating pipe (4).
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| CN202210641318.2A CN114917843A (en) | 2022-06-08 | 2022-06-08 | Continuous pyrolysis device with a plurality of energy ball circulating pipes arranged on inner wall of reaction kettle |
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| CN202210641318.2A CN114917843A (en) | 2022-06-08 | 2022-06-08 | Continuous pyrolysis device with a plurality of energy ball circulating pipes arranged on inner wall of reaction kettle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117209112A (en) * | 2023-09-26 | 2023-12-12 | 湖南奔骥环保能源科技有限责任公司 | Sludge pyrolysis reaction kettle with multi-air-outlet structure |
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| CN112555862A (en) * | 2020-12-23 | 2021-03-26 | 李艺 | Sludge incineration and hot gas entering outer kettle to be utilized and discharged again device |
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