CN111500300A - Oily waste pyrolysis equipment and reduction treatment method - Google Patents
Oily waste pyrolysis equipment and reduction treatment method Download PDFInfo
- Publication number
- CN111500300A CN111500300A CN202010426818.5A CN202010426818A CN111500300A CN 111500300 A CN111500300 A CN 111500300A CN 202010426818 A CN202010426818 A CN 202010426818A CN 111500300 A CN111500300 A CN 111500300A
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- China
- Prior art keywords
- tank body
- sealed tank
- oil
- stirring
- oily waste
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/32—Other processes in ovens with mechanical conveying means
- C10B47/34—Other processes in ovens with mechanical conveying means with rotary scraping devices
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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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
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
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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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
Abstract
The invention discloses a pyrolysis device and a reduction treatment method for oily wastes, which comprises a sealed tank body, a stirring scraping device, a power supply driving device, a heating device, a condenser and an oil-water separation device, wherein the top of the sealed tank body is provided with a feed inlet, an air outlet and an observation window, and the bottom of the sealed tank body is provided with a slag outlet; the stirring and scraping device is arranged in the sealed tank body; the power supply driving device is fixed outside the sealed tank body and is in transmission connection with the stirring scraping device; the heating device is arranged at the periphery of the sealed tank body; the condenser is communicated with the air outlet; the oil-water separation device is communicated with the condenser. In the whole process, the tank body is fixed and static, the oily waste is stirred by the stirring and scraping device inside the tank body, slag on the inner wall of the tank body is scraped to prevent coking, leakage is not easy to generate, the safety performance is high, the material cannot coke on the wall of the tank to influence heat transfer, and the pyrolysis is sufficient.
Description
Technical Field
The invention relates to the technical field of oily waste treatment equipment, in particular to oily waste pyrolysis equipment and a reduction treatment method.
Background
Oily waste and other pollutants, belongs to national hazardous waste, and has strict environmental management requirements. At present, the treatment modes of oily wastes are mainly a tank body rotation method and a double helix propulsion method.
However, the tank body rotating method adopts the whole tank body of the equipment to rotate, the leakage of the driving shaft ends is easily caused by high-temperature heating and abrasion, and the leakage of the shaft ends at two sides easily forms an air circulation channel to cause the explosion of the tank due to the over-standard oxygen content; the pyrolysis equipment used by the double-helix propelling method is easy to cause sundries to wind a shaft and coke on a spiral wall when the materials enter the process, thereby affecting heat transfer, and an explosion-proof pressure relief device cannot be additionally arranged, so that the treatment of oily wastes and plastic cloth is difficult.
Therefore, it is an urgent need to solve the problems of the prior art to provide a safe and efficient pyrolysis device and a reduction treatment method for oil-containing waste.
Disclosure of Invention
In view of the above, the invention provides the oil-containing waste pyrolysis equipment and the reduction treatment method, which have the advantages of simple structure, high safety performance and full pyrolysis.
In order to achieve the purpose, the invention adopts the following technical scheme:
an oily waste pyrolysis device comprises a sealed tank body, a stirring scraping device, a power supply driving device, a heating device, a condenser and an oil-water separation device,
the top of the sealed tank body is provided with a feed inlet, an air outlet and an observation window, and the bottom of the sealed tank body is provided with a slag outlet;
the stirring scraping device is arranged in the sealed tank body;
the power supply driving device is fixed outside the sealed tank body and is in transmission connection with the stirring scraping device;
the heating device is arranged on the periphery of the sealed tank body;
the condenser is communicated with the air outlet;
the oil-water separation device is communicated with the condenser.
By adopting the scheme, the invention has the beneficial effects that:
oily discarded object gets into the jar internal through the feed inlet, the stirring is overturned under the stirring scraper effect, the slag charge of adhesion on the internal wall of jar is scraped by scraping simultaneously, heating device heats the jar body, oily discarded object is along with constantly mixeing at the internal jar, constantly by the heating, according to gasification and thermal cracking temperature difference, gasifiable or thermal cracking material in the material constantly gasifies and separates out, get into the condenser through the gas outlet and retrieve, the slag charge that remains can not gasify then discharges through the slag notch. In the whole process, the tank body is fixed and static, the oily waste is stirred inside through the stirring scraping device, slag on the inner wall of the tank body is scraped to prevent coking, leakage is not easy to occur, the safety performance is high, the material cannot be coked on the tank wall to influence heat transfer, and the pyrolysis is sufficient.
Further, the anti-explosion pressure relief device is further included, and is arranged at the top of the sealed tank body.
The beneficial technical effect who adopts above-mentioned further technical scheme to produce does, and explosion-proof pressure relief device sets for certain opening pressure, reaches safe pressure relief pressure, and explosion-proof pressure relief device opens, self-closing behind the pressure relief to take place to explode under the extreme condition and cause personnel and equipment injury.
Furthermore, the feed inlet, the gas outlet and install double-deck sealing valve on the slag notch.
The beneficial technical effect who adopts above-mentioned further technical scheme to produce does, and jar body is sealed effectual.
Further, the stirring scraping device comprises a rotating shaft and a stirring blade which penetrate through the sealed tank body along the length direction,
the two ends of the rotating shaft are hermetically connected with the sealed tank body; the stirring blades are arranged on the periphery of the rotating shaft, and the outer sides of the stirring blades are in contact with slag on the inner wall of the sealed tank body.
The beneficial technical effect that adopts above-mentioned further technical scheme to produce is that, the outside of stirring vane can scrape the jar inner wall slag that contacts with it in stirring rotatory process to avoid coking to influence heat transfer.
Furthermore, the power supply driving device comprises a motor driven by a power supply and a motor base,
the motor is arranged on the motor base; and the output shaft of the motor is in transmission connection with the extending end of the rotating shaft.
Further, the heating device is an electromagnetic heater.
The beneficial technical effect who adopts above-mentioned further technical scheme to produce is that electromagnetic heater can improve the thermal efficiency.
The reduction treatment method by utilizing the oily waste pyrolysis equipment comprises the following steps:
1) filling oily waste into the sealed tank body through the feed inlet by using a conveyer belt, and then closing a double-layer sealing valve on the feed inlet;
2) starting an electromagnetic heater, and fully heating the oil-containing waste in the sealed tank body;
3) the motor is started, the rotating shaft drives the stirring blade to rotate, the oily waste is overturned and stirred, and meanwhile, slag adhered to the inner wall of the sealed tank body is scraped under the scraping action;
4) a part of non-metallic materials in the oily waste are converted into oil gas to be separated out under the action of thermal cracking, the oil gas enters a condenser to be recycled through an air outlet, and the residual slag is discharged through a slag outlet;
5) and conveying the oil-water mixture subjected to condensation treatment to an oil-water separation device for oil-water separation.
By adopting the scheme, the invention has the beneficial effects that:
the whole treatment process is simple and convenient, easy to operate, high in safety performance and sufficient in pyrolysis.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an oil-containing waste pyrolysis apparatus provided by the present invention.
In the figure: 1-a sealed tank body, 2-a stirring and scraping device, 3-a power supply driving device, 4-a heating device, 5-an explosion-proof pressure relief device, 11-a feed inlet, 12-an air outlet, 13-an observation window, 14-a slag outlet, 21-a rotating shaft and 22-a stirring blade.
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.
As shown in fig. 1, the embodiment of the invention discloses a pyrolysis device for oily waste, which comprises a sealed tank body 1, a stirring and scraping device 2, a power supply driving device 3, a heating device 4, a condenser and an oil-water separation device, wherein the top of the sealed tank body 1 is provided with a feed inlet 11, an air outlet 12 and an observation window 13, and the bottom of the sealed tank body 1 is provided with a slag outlet 14; the stirring and scraping device 2 is arranged inside the sealed tank body 1; the power supply driving device 3 is fixed outside the sealed tank body 1 and is in transmission connection with the stirring and scraping device 2; the heating device 4 is arranged at the periphery of the sealed tank body 1; the condenser is communicated with the air outlet 12; the oil-water separation device is communicated with the condenser. The oily waste enters the tank body 1 through the feed inlet 11, is overturned and stirred under the action of the stirring and scraping device 2, the slag adhered on the inner wall of the tank body 1 is scraped off at the same time, the heating device 4 heats the tank body 1, the oily waste is continuously heated along with continuous stirring in the tank body 1, the gasifiable or thermal cracking substances in the materials are continuously gasified and separated out according to different gasification and thermal cracking temperatures, the gasified or thermal cracking substances enter the condenser through the gas outlet 12 for recycling, and the residual slag which cannot be gasified is discharged through the slag outlet 14. In the whole process, the tank body 1 is fixed and static, the oily waste is stirred inside through the stirring scraping device 2, slag on the inner wall of the tank body 1 is scraped to prevent coking, leakage is not easy to occur, the safety performance is high, the material cannot coke on the tank wall to influence heat transfer, and the pyrolysis is sufficient.
Specifically, the anti-explosion pressure relief device 5 is further included, and the anti-explosion pressure relief device 5 is installed at the top of the sealed tank body 1.
Specifically, the feed inlet 11, the gas outlet 12 and the slag outlet 14 are provided with double-layer sealing valves.
Specifically, the stirring and scraping device 2 comprises a rotating shaft 21 penetrating through the sealed tank body along the length direction and a stirring blade 22,
two ends of the rotating shaft 21 are hermetically connected with the sealed tank body 1; the stirring blade 22 is installed at the periphery of the rotating shaft 21, and the outer side of the stirring blade 22 is in contact with the slag on the inner wall of the hermetic vessel 1.
Specifically, the power driving device 3 comprises a motor driven by a power supply and a motor base,
the motor is arranged on the motor base; the output shaft of the motor is in transmission connection with the extending end of the rotating shaft 21.
Specifically, the heating device 4 is an electromagnetic heater.
The embodiment of the invention also discloses a reduction treatment method by utilizing the oily waste pyrolysis equipment, which comprises the following steps in sequence:
1) filling oily waste into the sealed tank body 1 through the feed inlet 11 by using a conveyer belt, and then closing a double-layer sealing valve on the feed inlet 11;
2) starting an electromagnetic heater, and fully heating the oil-containing waste in the sealed tank body 1;
3) the motor is started, the rotating shaft 21 drives the stirring blade 22 to rotate, the oily waste is overturned and stirred, and meanwhile, the slag adhered to the inner wall of the sealed tank body 1 is scraped under the scraping action;
4) a part of non-metallic materials in the oily waste are converted into oil gas to be separated out under the action of thermal cracking, the oil gas enters a condenser through an air outlet 12 to be recycled, and the residual slag is discharged through a slag outlet 14;
5) and conveying the oil-water mixture subjected to condensation treatment to an oil-water separation device for oil-water separation.
The whole treatment process is simple and convenient, the operation is easy, the safety performance is high, and the pyrolysis is sufficient.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The equipment for pyrolyzing the oily wastes is characterized by comprising a sealed tank body, a stirring and scraping device, a power supply driving device, a heating device, a condenser and an oil-water separating device,
the top of the sealed tank body is provided with a feed inlet, an air outlet and an observation window, and the bottom of the sealed tank body is provided with a slag outlet;
the stirring scraping device is arranged in the sealed tank body;
the power supply driving device is fixed outside the sealed tank body and is in transmission connection with the stirring scraping device;
the heating device is arranged on the periphery of the sealed tank body;
the condenser is communicated with the air outlet;
the oil-water separation device is communicated with the condenser.
2. The oily waste pyrolysis apparatus of claim 1, further comprising an explosion-proof pressure relief device, wherein the explosion-proof pressure relief device is installed at the top of the sealed tank body.
3. The equipment for pyrolyzing oily waste according to claim 1, wherein double-layer sealing valves are installed on the feed inlet, the gas outlet and the slag outlet.
4. The oily waste pyrolysis apparatus of claim 1, wherein the stirring and scraping means comprises a rotating shaft penetrating the sealed tank body in a length direction and a stirring blade,
the two ends of the rotating shaft are hermetically connected with the sealed tank body; the stirring blades are arranged on the periphery of the rotating shaft, and the outer sides of the stirring blades are in contact with slag on the inner wall of the sealed tank body.
5. The oily waste pyrolysis apparatus of claim 4, wherein the power driving means comprises a power-driven motor and a motor base,
the motor is arranged on the motor base; and the output shaft of the motor is in transmission connection with the extending end of the rotating shaft.
6. The apparatus for pyrolyzing oily waste according to claim 1, wherein said heating means is an electromagnetic heater.
7. A reduction processing method using the pyrolysis apparatus for oil-containing waste as set forth in any one of claims 1 to 7, comprising the following sequential steps:
1) filling oily waste into the sealed tank body through the feed inlet by using a conveyer belt, and then closing a double-layer sealing valve on the feed inlet;
2) starting an electromagnetic heater, and fully heating the oil-containing waste in the sealed tank body;
3) the motor is started, the rotating shaft drives the stirring blade to rotate, the oily waste is overturned and stirred, and meanwhile, slag adhered to the inner wall of the sealed tank body is scraped under the scraping action;
4) a part of non-metallic materials in the oily waste are converted into oil gas to be separated out under the action of thermal cracking, the oil gas enters a condenser to be recycled through an air outlet, and the residual slag is discharged through a slag outlet;
5) and conveying the oil-water mixture subjected to condensation treatment to an oil-water separation device for oil-water separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010426818.5A CN111500300A (en) | 2020-05-19 | 2020-05-19 | Oily waste pyrolysis equipment and reduction treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010426818.5A CN111500300A (en) | 2020-05-19 | 2020-05-19 | Oily waste pyrolysis equipment and reduction treatment method |
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| CN111500300A true CN111500300A (en) | 2020-08-07 |
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| CN202010426818.5A Pending CN111500300A (en) | 2020-05-19 | 2020-05-19 | Oily waste pyrolysis equipment and reduction treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807670A (en) * | 2020-09-07 | 2020-10-23 | 东营兴盛环保科技股份有限公司 | While-drilling harmless recycling treatment system and treatment method for waste oil-based mud |
-
2020
- 2020-05-19 CN CN202010426818.5A patent/CN111500300A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807670A (en) * | 2020-09-07 | 2020-10-23 | 东营兴盛环保科技股份有限公司 | While-drilling harmless recycling treatment system and treatment method for waste oil-based mud |
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