CN112775142A - High-temperature high-speed continuous carbonization treatment device for oily waste - Google Patents
High-temperature high-speed continuous carbonization treatment device for oily waste Download PDFInfo
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- CN112775142A CN112775142A CN201911228874.1A CN201911228874A CN112775142A CN 112775142 A CN112775142 A CN 112775142A CN 201911228874 A CN201911228874 A CN 201911228874A CN 112775142 A CN112775142 A CN 112775142A
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- carbonization
- main
- oily waste
- treatment device
- main carbonization
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Abstract
The invention relates to the technical field of oily waste treatment, and particularly discloses a high-temperature high-speed continuous carbonization treatment device for oily waste, which comprises a feeding system, a main carbonization system, an auxiliary combustion system, a heating system and a cooling system, wherein the feeding system is used for feeding the oily waste into a carbonization furnace; the feeding system is connected to the head end of the main carbonization system, the cooling system is connected to the tail end of the main carbonization system, and the auxiliary combustion system and the heating system are positioned outside the main carbonization system; the main carbonization system is positioned in the heat preservation and insulation system, and a tail gas discharge port is arranged at the top end of the heat preservation and insulation system. According to the invention, the oily waste is subjected to full high-temperature pyrolysis through the main carbonization system, the difficulty in treating the finally discharged tail gas is reduced, the solid product is pushed towards the tail end in the main carbonization system and discharged, then the solid product is subjected to cooling treatment through the cooling system, and the gas product is discharged from the tail gas discharge port at the top end of the heat insulation system.
Description
Technical Field
The invention relates to the technical field of oily waste treatment, in particular to a high-temperature high-speed continuous carbonization treatment device for oily waste.
Background
In the fields of oil extraction, refining, machining, steel processing and the like, oil-containing waste is inevitably generated, the oil-containing waste refers to a mixture containing silt, mineral substances and other impurities of crude oil or finished oil, oil components exist in the mixture of various forms and cannot be directly recovered, and the oil in the mixture can be directly discarded and flows into farmlands, rivers and the like after being soaked in rainwater, so that water bodies and farmlands are seriously polluted, and the health of human beings is threatened.
Based on the current situation, a treatment method aiming at oily wastes is urgently needed, so that the purposes of meeting the discharge standard and protecting the environment are achieved.
Disclosure of Invention
The invention aims to provide a high-temperature high-speed continuous carbonization treatment device for oily wastes, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-temperature high-speed continuous carbonization treatment device for oily waste comprises a feeding system, a main carbonization system, an auxiliary combustion system, a heating system and a cooling system;
the feeding system is connected to the head end of the main carbonization system, the cooling system is connected to the tail end of the main carbonization system, and the auxiliary combustion system and the heating system are positioned outside the main carbonization system;
the main carbonization system is positioned in the heat preservation and insulation system, and a tail gas discharge port is arranged at the top end of the heat preservation and insulation system.
As a further scheme of the invention: the feeding system is a screw pump.
As a further scheme of the invention: the feeding system is a screw conveyor.
As a further scheme of the invention: the main carbonization system comprises a main carbonization pipe, a feed inlet is connected to the main carbonization pipe, the feed inlet is connected to the feed system, and a discharge outlet is connected to the tail end of the main carbonization pipe;
the main carbonization pipe comprises flange plates at two ends and an internal spiral conveying shaft, a variable-frequency transmission speed reducing motor is arranged on the flange plate at one end, and the variable-frequency transmission speed reducing motor is in driving connection with the spiral conveying shaft through a coupler;
and compressed nitrogen inlets are welded at the tops of the two ends of the main carbonization pipe.
As a further scheme of the invention: the main carbonization system comprises a mechanical coke cleaning mechanism.
As a further scheme of the invention: the auxiliary combustion system comprises a gas nozzle, an air preheating tank and an air inlet;
the air inlet is connected with the air preheating tank, and the fuel gas nozzles are positioned on two sides of the main carbonization pipe.
As a further scheme of the invention: the heating system is an integrated burner.
As a further scheme of the invention: the cooling system comprises a cooling conveying pipe, the cooling conveying pipe is connected with the discharge port through a high-temperature rotary valve, and a water nozzle is arranged at the tail end of the cooling conveying pipe.
As a further scheme of the invention: the heat preservation and insulation system comprises an outer shell and a heat preservation layer on the inner wall of the outer shell;
the heat-insulating layer is made of refractory bricks or refractory cotton.
Compared with the prior art, the invention has the beneficial effects that:
1. the high-temperature high-speed continuous carbonization treatment device for the oily waste starts the variable-frequency transmission speed reducing motor, the variable-frequency transmission speed reducing motor drives the spiral conveying shaft to rotate, so that the oily waste in the device is driven to advance in the main carbonization pipe and enters the main carbonization pipe through the compressed nitrogen inlet, residual air is discharged, and solid waste after the oily waste is subjected to high-temperature decomposition in the main carbonization pipe is discharged from the discharge port;
2. before the oily waste enters the main carbonization pipe, the oily waste is combusted and heated by a heating system to reach the working temperature, the oily waste is subjected to high-temperature thermal decomposition in the main carbonization pipe in an external heating mode to generate solid-gas two-phase substances, gas enters a gas nozzle, combustible gas is mixed with hot air preheated in an air preheating tank and is ignited for combustion, the heat formed by combustion is used for heating the main carbonization pipe, and the combustible gas is subjected to secondary auxiliary combustion by flame of the heating system after being mixed and combusted in the gas nozzle;
3. the solid product that pyrolysis produced passes through the propulsion of auger delivery axle, discharges from the discharge gate to discharge after tentatively cooling through high temperature rotary valve entering cooling delivery pipe, install the water shower nozzle additional, can fully cool down, the dust fall, prevent the spontaneous combustion, the final tail gas of pyrolysis is discharged from exhaust port.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a front view of an apparatus for high-temperature high-speed continuous carbonization of oily waste.
FIG. 2 is a plan view of an apparatus for high-temperature and high-speed continuous carbonization of oily waste.
FIG. 3 is a side view of an apparatus for high-temperature high-speed continuous carbonization of oily waste.
FIG. 4 is a schematic view of the external structure of a high-temperature high-speed continuous carbonization treatment apparatus for oily waste.
In the figure: 1-a feeding system, 2-a main carbonization system, 2-1-a main carbonization pipe, 2-2-a feeding port, 2-3-a compressed nitrogen inlet, 2-4-a spiral conveying shaft, 2-5-a variable frequency transmission speed reduction motor, 2-6-a discharging port, 2-7-a mechanical coke cleaning mechanism, 3-an auxiliary combustion system, 3-1-a gas nozzle, 3-2-an air preheating tank, 3-3-an air inlet, 4-a heating system, 5-a cooling system, 5-1-a high-temperature rotary valve, 5-2-a cooling conveying pipe, 5-3-a water nozzle, 6-a heat preservation and insulation system and 7-a tail gas discharging port.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1 to 4, in an embodiment of the present invention, an apparatus for high-temperature, high-speed, continuous carbonization of oily waste includes a feeding system 1, a main carbonization system 2, an auxiliary combustion system 3, a heating system 4, and a cooling system 5; the feeding system 1 is connected to the head end of the main carbonization system 2, the cooling system 5 is connected to the tail end of the main carbonization system 2, and the auxiliary combustion system 3 and the heating system 4 are positioned outside the main carbonization system 2; the main carbonization system 2 is positioned in the heat preservation and insulation system 6, and a tail gas discharge port 7 is arranged at the top end of the heat preservation and insulation system 6.
The oily waste high-temperature high-speed continuous carbonization treatment device comprises a feeding system 1, a heating system 4, a main carbonization system 2, a heating system 4, a cooling system 5, a heating system 3, a main combustion system 3, a heating system 4, a secondary auxiliary combustion system 4, a cooling system 5, a heat insulation system 6, a main carbonization system 2, a heating system 4, a main carbonization system 3, a main carbonization system 2, a heating system 4, a main combustion system 3, a heating system 4, a heating system, a cooling system 5, a heat insulation system 6, a tail gas discharge port 7, a heat insulation system 7, a heat insulation, tail gas exhaust port 7 can external flue gas pipeline carry out subsequent processing, and heat preservation thermal-insulated system 6 mainly plays heat preservation and thermal-insulated effect, improves combustion efficiency, protects staff's safety simultaneously.
Further, the feeding system 1 is a screw pump.
Specifically, the feeding system 1 is a screw conveyor.
For liquid flowable materials, the feed system 1 can select a screw pump as a feed tool, and for solid materials, the feed system 1 can select a screw conveyor as a feed tool, wherein the screw conveyor can be a shafted screw or a shaftless screw.
Further, the main carbonization system 2 comprises a main carbonization pipe 2-1, a feed inlet 2-2 is connected to the main carbonization pipe 2-1, the feed inlet 2-2 is connected to the feed system 1, and a discharge outlet 2-6 is connected to the tail end of the main carbonization pipe 2-1; the main carbonization pipe 2-1 comprises flange plates at two ends and an internal spiral conveying shaft 2-4, the variable-frequency transmission speed reducing motor 2-5 is arranged on the flange plate at one end, and the variable-frequency transmission speed reducing motor 2-5 is in driving connection with the spiral conveying shaft 2-4 through a coupler; and compressed nitrogen inlets 2-3 are welded at the tops of two ends of the main carbonization pipe 2-1.
Specifically, the main carbonization system 2 comprises mechanical coke cleaning mechanisms 2-7.
In order to provide the processing capacity, the main carbonization system 2 can adopt a mode of distributing a plurality of sets up and down or left and right to improve the processing capacity of a single device, the variable frequency transmission speed reducing motor 2-5 is started, the variable frequency transmission speed reducing motor 2-5 drives the spiral conveying shaft 2-4 to rotate, thereby driving the oil-containing waste inside to be pushed in the main carbonization pipe 2-1 and to enter the main carbonization pipe 2-1 through the compressed nitrogen inlet 2-3, so that residual air can be discharged, the nitrogen introducing time is usually not less than 10min, the solid waste is discharged from a discharge port 2-6 after the oily waste is subjected to pyrolysis in a main carbonization pipe 2-1, meanwhile, the mechanical coke cleaning mechanism 2-7 can be used for cleaning cokes formed on the main carbonization pipe 2-1 and the spiral conveying shaft 2-4.
Further, the auxiliary combustion system 3 comprises a fuel gas nozzle 3-1, an air preheating tank 3-2 and an air inlet 3-3; the air inlet 3-3 is connected with the air preheating tank 3-2, and the fuel gas nozzles 3-1 are positioned on two sides of the main carbonization pipe 2-1.
Further, the heating system 4 is an integrated burner.
Before the oily waste enters the main carbonization pipe 2-1, the oily waste is combusted and heated by a heating system 4 to reach the working temperature (usually 600-30-60min, introducing compressed nitrogen through a compressed nitrogen inlet 2-3 in the heating process, allowing the nitrogen to enter a main carbonization pipe 2-1 after reaching the working temperature, and performing high-temperature thermal decomposition on the oily waste in the main carbonization pipe 2-1 in an external heating mode to generate a solid-gas two-phase substance, wherein the gas is mainly H2、CO、H2O and other hydrocarbon, the gas enters the gas body spray nozzle 3-1, the front end of the gas body spray nozzle 3-1 has ignition devices, the combustible gas mixes with hot air preheated in the air preheating tank 3-2, and is ignited and burnt, the heat formed by burning is used for heating the main carbonization tube 2-1, in order to improve the thermal efficiency, the spraying direction of the gas body spray nozzle 3-1 is usually inclined downward, the combustible gas carries on the secondary auxiliary combustion through the flame of the heating system 4 after the gas body spray nozzle 3-1 mixes and burns, the tail gas after burning uses CO2And H2O is the main component.
Further, the cooling system 5 comprises a cooling conveying pipe 5-2, the cooling conveying pipe 5-2 is connected with the discharge port 2-6 through a high-temperature rotary valve 5-1, and a water nozzle 5-3 is arranged at the tail end of the cooling conveying pipe 5-2.
Solid products generated by thermal decomposition are pushed by a spiral conveying shaft 2-4, discharged from a discharge port 2-6, enter a cooling conveying pipe 5-2 through a high-temperature rotary valve 5-1, are discharged after primary cooling, and are additionally provided with water nozzles 5-3, so that the temperature can be fully reduced, dust can be reduced, and spontaneous combustion can be prevented.
Example 2
Referring to fig. 3 to 4, in the embodiment of the present invention, the heat insulation system 6 includes an outer shell and a heat insulation layer on an inner wall of the outer shell; the heat-insulating layer is made of refractory bricks or refractory cotton.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The high-temperature high-speed continuous carbonization treatment device for the oily waste is characterized by comprising a feeding system (1), a main carbonization system (2), an auxiliary combustion system (3), a heating system (4) and a cooling system (5);
the feeding system (1) is connected to the head end of the main carbonization system (2), the cooling system (5) is connected to the tail end of the main carbonization system (2), and the auxiliary combustion system (3) and the heating system (4) are positioned outside the main carbonization system (2);
the main carbonization system (2) is positioned in the heat preservation and insulation system (6), and a tail gas discharge port (7) is arranged at the top end of the heat preservation and insulation system (6).
2. The high-temperature high-speed continuous carbonization treatment device for oily waste according to claim 1, wherein the feeding system (1) is a screw pump.
3. The high-temperature high-speed continuous carbonization treatment device for oily waste according to claim 1, wherein the feeding system (1) is a screw conveyor.
4. The high-temperature high-speed continuous carbonization treatment device for the oily waste according to claim 1, wherein the main carbonization system (2) comprises a main carbonization pipe (2-1), a feed inlet (2-2) is connected to the main carbonization pipe (2-1), the feed inlet (2-2) is connected to the feed system (1), and a discharge outlet (2-6) is connected to the tail end of the main carbonization pipe (2-1);
the main carbonization pipe (2-1) comprises flange plates at two ends and an internal spiral conveying shaft (2-4), the variable-frequency transmission speed reducing motor (2-5) is arranged on the flange plate at one end, and the variable-frequency transmission speed reducing motor (2-5) is in driving connection with the spiral conveying shaft (2-4) through a coupler;
and compressed nitrogen inlets (2-3) are welded at the tops of the two ends of the main carbonization pipe (2-1).
5. A high-temperature high-speed continuous carbonization treatment device for oily wastes according to claim 4, characterized in that the main carbonization system (2) comprises a mechanical coke cleaning mechanism (2-7).
6. The high-temperature high-speed continuous carbonization treatment device for oily waste according to claim 4, wherein the auxiliary combustion system (3) comprises a gas nozzle (3-1), an air preheating tank (3-2) and an air inlet (3-3);
the air inlet (3-3) is connected with the air preheating tank (3-2), and the fuel gas nozzles (3-1) are positioned on two sides of the main carbonization pipe (2-1).
7. The high-temperature high-speed continuous carbonization treatment device for oily waste according to claim 1, wherein the heating system (4) is an integrated burner.
8. A high-temperature high-speed continuous carbonization treatment device for oily wastes according to claim 4, wherein the cooling system (5) comprises a cooling delivery pipe (5-2), the cooling delivery pipe (5-2) is connected with the discharge port (2-6) through a high-temperature rotary valve (5-1), and the tail end of the cooling delivery pipe (5-2) is provided with a water nozzle (5-3).
9. The high-temperature high-speed continuous carbonization treatment device for oily waste according to claim 1, wherein the heat preservation and insulation system (6) comprises an outer shell and a heat preservation layer on the inner wall of the outer shell;
the heat-insulating layer is made of refractory bricks or refractory cotton.
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| CN201911228874.1A CN112775142A (en) | 2019-12-04 | 2019-12-04 | High-temperature high-speed continuous carbonization treatment device for oily waste |
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| CN201911228874.1A CN112775142A (en) | 2019-12-04 | 2019-12-04 | High-temperature high-speed continuous carbonization treatment device for oily waste |
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| CN102372413A (en) * | 2010-08-25 | 2012-03-14 | 青岛博迈斯环保技术有限公司 | Equipment for carbonization treatment of sludge and its using method |
| CN105016602A (en) * | 2015-07-15 | 2015-11-04 | 刘建波 | Pipe chain-type sludge and fatlute continuous carbonization system |
| CN105927983A (en) * | 2016-06-28 | 2016-09-07 | 成和环保科技股份有限公司 | Screw propelling type solid waste continuous carbonization equipment and continuous carbonization method |
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Application publication date: 20210511 |