CN118812119B - Oil-containing sludge pyrolysis treatment equipment and method - Google Patents
Oil-containing sludge pyrolysis treatment equipment and method Download PDFInfo
- Publication number
- CN118812119B CN118812119B CN202410971331.3A CN202410971331A CN118812119B CN 118812119 B CN118812119 B CN 118812119B CN 202410971331 A CN202410971331 A CN 202410971331A CN 118812119 B CN118812119 B CN 118812119B
- Authority
- CN
- China
- Prior art keywords
- pyrolysis
- box
- heat
- tube
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 131
- 239000010802 sludge Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 239000003921 oil Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 11
- 239000000571 coke Substances 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 6
- 239000000295 fuel oil Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 2
- 239000012141 concentrate Substances 0.000 claims 1
- 238000005979 thermal decomposition reaction Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 10
- 210000001503 joint Anatomy 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000007599 discharging Methods 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007348 radical reaction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
- C10B47/18—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with moving charge
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to the technical field of sludge treatment, in particular to an oily sludge pyrolysis treatment device and an oily sludge pyrolysis treatment method, wherein the oily sludge pyrolysis treatment device comprises a device machine table, and a pyrolysis box and a driving machine box are erected on the device machine table; the pyrolysis box comprises a pyrolysis box body, a pyrolysis closed pipe, a driving machine box, an inner box support, a plurality of heat supply pieces, a plurality of heat conduction pieces and a plurality of heat supply pieces, wherein the pyrolysis closed pipe is arranged in the pyrolysis box body, the top of the pyrolysis box body is externally connected with the feeding hopper, the bottom end of the feeding hopper is connected with the pyrolysis closed pipe, the output end of the pyrolysis closed pipe is provided with a delivery pipe, the driving machine box is provided with a driving connecting box, the inner cavity of the pyrolysis closed pipe is provided with a turning roller, the power input end of the turning roller is connected with the driving connecting box, the inner box support is further arranged in the pyrolysis box, the heat supply pieces are arranged in the inner box support, and the outer wall of the pyrolysis closed pipe is sleeved with the heat conduction pieces in a one-to-one butt joint. The invention designs that the oil-containing sludge is continuously heated in the movement process, the inside and the outside are continuously subjected to high-temperature heat treatment, and the oil-containing sludge can be effectively arranged in a treatment production line of the whole sludge, so that the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to pyrolysis treatment equipment and method for oily sludge.
Background
With the continuous development of oil exploitation and industrial production, a large amount of oily sludge waste is generated. The sludge contains a large amount of grease, heavy metals and other harmful substances, and forms a serious threat to the environment and human health. Conventional treatment methods such as landfill and incineration not only occupy a lot of land resources, but also may cause secondary pollution, and oily sludge treatment equipment is used for treating oily sludge.
The pyrolysis treatment equipment for the oily sludge in the prior art generally comprises a feeding mechanism, a pyrolysis furnace, a connecting mechanism and a transmission mechanism, wherein the pyrolysis furnace comprises an inner cylinder body and an outer cylinder body, the outer cylinder body is sleeved on the inner cylinder body, and a cavity is formed between the outer cylinder body and the inner cylinder body. However, the prior art has certain defects that the pyrolysis furnace is not uniform for pyrolyzing the oil-containing sludge, so that the oil-containing sludge positioned in the inner layer area of the cylinder cannot be pyrolyzed effectively.
Disclosure of Invention
The invention aims to provide an oil-containing sludge pyrolysis treatment device and an oil-containing sludge pyrolysis treatment method, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The oil-containing sludge pyrolysis treatment equipment comprises an equipment machine table, wherein a pyrolysis box and a driving machine box are erected on the equipment machine table, a pyrolysis closed pipe is arranged in the pyrolysis box, a feeding hopper is externally connected to the top of a box body of the pyrolysis box, the bottom end of the feeding hopper is connected with the pyrolysis closed pipe, an output end of the pyrolysis closed pipe is provided with a delivery pipe, a driving connecting box is arranged on the driving machine box, a turning roller is arranged in an inner cavity of the pyrolysis closed pipe, a power input end of the turning roller is connected with the driving connecting box, the tail end of the turning roller extends into the delivery pipe, an inner box support is further arranged in the pyrolysis box, a plurality of heat supply pieces are arranged in the inner box support, a plurality of heat conduction pieces are sleeved on the outer wall of the pyrolysis closed pipe and are in one-to-one butt joint, an air exhaust pipe group is externally connected to the pyrolysis closed pipe, a condenser machine box is arranged on the outer box wall of the pyrolysis box, and the end of the air exhaust pipe group is connected with the condenser machine box.
The pyrolysis closed tube comprises a heating tank body and a guide tube body, wherein the heating tank body and the guide tube body are connected into an integrated structure through a first tube connecting sleeve, the driving connecting box comprises a driving end butt joint box and a closed frame arranged on the periphery of the driving end butt joint box, a box outer support frame is arranged on the box body of the pyrolysis box, the closed frame is arranged in the box outer support frame through an inner connecting sleeve, the other end of the guide tube body and the inner connecting sleeve are connected into an integrated structure through an inner connecting frame, and the other end of the heating tank body and the guide tube are connected into an integrated structure through a second tube connecting sleeve.
As a further scheme of the invention, the feeding hopper comprises a hopper body and a discharging valve port arranged at the hopper bottom of the hopper body, and the discharging valve port is communicated with the inner cavity of the guide pipe body.
The material turning roller comprises a roller body and a roller shaft arranged at the driving end of the roller body, wherein an auxiliary spiral auger, a scattering piece, a diffusion spiral piece and a main spiral auger are arranged on the roller body of the roller body, the auxiliary spiral auger is positioned in a pipe inner area of a guide pipe body, the main spiral auger is positioned in the pipe inner area of a heating tank body, the scattering piece is arranged behind the auxiliary spiral auger and is positioned at the bottom of a discharging valve port, the scattering piece comprises a plurality of groups of cutting claw blocks, each group of cutting claw blocks are distributed in an equidistant annular mode, the diffusion spiral piece is positioned between the scattering piece and the main spiral auger, and each row of the diffusion spiral pieces comprises a plurality of rows of hook-shaped blocks which are distributed spirally along the roller surface of the roller body.
As a further scheme of the invention, a support mounting frame is arranged in the inner box support, the heat supply part comprises a heat supply machine arranged on the heat supply machine, a heating component arranged in the heat supply machine and a heat conduction pipeline arranged at an air outlet of the heating component, and the heat supply machine is externally connected with a gas supply conduit.
The heat conduction piece comprises an annular heat conduction frame, the annular heat conduction frame is of an annular structure and is sleeved on the periphery of the guide pipe body, a heat flow guide opening is formed in the annular heat conduction frame, the heat conduction pipeline is communicated with an inner cavity of the annular heat conduction frame through the heat flow guide opening, a heat flow guide rail is arranged on the inner wall of the annular heat conduction frame, a plurality of heat flow guide grooves are formed in the inner surface of the heat flow guide rail, and a heat conduction interval is formed in the heat flow guide groove.
As a further scheme of the invention, the heat conduction piece further comprises a heat absorption piece sleeved on the outer wall of the guide pipe body, wherein the heat absorption piece is positioned in the corresponding annular heat conduction frame, and a heat conduction inner ring is arranged between the heat absorption piece and the pipe wall of the heating tank body.
As a still further scheme of the invention, the condensing box comprises a box body and a plurality of rows of condensing tube groups arranged in the box body, the box body is fixed on the outer box wall of the pyrolysis box through a fixing plate, a condensing zone is arranged in the inner cavity of the box body, a condensate inlet pipe is externally connected to the condensing zone, the condensing tube groups are arranged in the condensing zone, and each row of condensing tube groups comprises a plurality of heat exchange curved tubes.
The invention also discloses a treatment method for pyrolysis of the oily sludge, which comprises the following steps:
opening a valve at the feed hopper, conveying the oily sludge into the feed hopper by adopting a conveying belt, and falling into a pyrolysis closed tube along a hopper body of the feed hopper;
Starting a driving machine case, driving a turning roller to move by the driving machine case, setting the rotating speed of the turning roller to be 100 revolutions per minute, and slowly guiding the oily sludge to the rear of the inner cavity of the pipe body of the pyrolysis closed pipe 13;
step three, after the pyrolysis amount of the single oily sludge is completely injected, closing a valve at a feed hopper, continuously driving a turning roller, and compressing and concentrating the oily sludge in an inner pipe area of a guide pipe body;
step four, the rotating speed of the roller body of the turning roller is increased, the rotating speed of the turning roller is set to be 250 revolutions per minute of a condenser case, the heat supply part is controlled to continuously supply heat, and the heat supply temperature of the heat conduction part is increased to 500 ℃, so that heavy oil starts to thermally crack and continuously pyrolyzes for 3 hours;
stopping the movement of the turning roll, starting the air exhaust pipe group, exhausting the air flow in the pyrolysis closed pipe, leading out the gas mixture of oil, water and noncondensable gas,
And step six, after the extraction is completed, opening a valve in the delivery pipe, starting the turning roller again at the moment, and collecting the solid coke through the discharge of the delivery pipe.
Compared with the prior art, the invention has the beneficial effects that:
the feeding hopper is input equipment of oil-containing sludge, the sludge is thrown into the pipe body of the pyrolysis closed pipe, the pyrolysis closed pipe is a bearing component for sludge pyrolysis treatment, the pyrolysis closed pipe is arranged in the pyrolysis box, the pyrolysis box is operation equipment for pyrolysis treatment and provides a thermal environment for pyrolysis operation, a material turning roller is further arranged in the pipe body cavity of the pyrolysis closed pipe, a driving machine box is externally connected to the pipe body cavity of the pyrolysis closed pipe and used as driving equipment of the material turning roller, a plurality of heat conduction pieces are arranged on the outer pipe wall of the pyrolysis closed pipe and used as heat supply sources, the heat conduction pieces are arranged in a heating area of a section of the outer pipe body of the pyrolysis closed pipe, a continuous heating path is formed, the continuous heating of the oil-containing sludge is guaranteed in the movement process, the material turning roller synchronously drives continuous turning of the oil-containing sludge, so that the heat conduction effect is improved, the inside and outside of the oil-containing sludge are continuously subjected to high-temperature heat treatment, when the pipe is moved to the tail end of the material turning roller, the pipe is used as air extraction treatment, vaporized water vapor, oil vapor and non-condensable gas are guided into the condensing machine box, and solid coke is collected through the drainage. The invention can be effectively arranged on the integral sludge treatment production line, improves the working efficiency, and realizes the harmless treatment and the resource recycling of wastes.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. Meanwhile, these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to specific embodiments.
Fig. 1 is a schematic diagram of the overall structure of an oily sludge pyrolysis treatment device according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a pyrolysis closed tube according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a turning roll according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the area a in fig. 2 according to the present invention.
Fig. 5 is a schematic structural diagram of a condenser case according to an embodiment of the present invention.
11, An equipment machine; 12, pyrolysis box, 13, pyrolysis closed pipe, 14, driving box, 15, feeding hopper, 16, delivery pipe, 17, driving connection box, 18, turning roll, 21, inner box bracket, 22, heat conduction piece, 23, heating piece, 24, air extraction pipe group, 25, condensation box, 31, roll shaft, 32, roll body, 33, auxiliary spiral auger, 34, main spiral auger, 35, scattering piece, 36, diffusion spiral piece, 37, cutting claw block, 38, hook-shaped block, 41, heating tank body, 42, guide pipe body, 43, driving end butt box, 44, closed frame, 45, inner frame, 46, inner connection sleeve, 47, box outer frame, 48, first pipe body connecting sleeve, 49, second pipe body connecting sleeve, 51, bucket body, 52, blanking valve port, 61, branch installation frame, 62, heat supply machine, 63, heating component, 64, heat conduction pipe, 65, air supply pipe, 71, annular heat conduction frame, 72, heat flow inlet, 73, fixing rail, 74, guide rail, 75, guide rail, 77, heat conduction pipe, 82, heat exchange section, heat absorption section, 82, condensate section, heat absorption section, 81, condensate section, and heat exchange section.
Detailed Description
The technical solutions according to the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, examples of which are shown in the accompanying drawings. When the following description refers to the accompanying drawings, like numerals in the various drawings refer to like or similar elements, unless otherwise specified.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
In one embodiment, please refer to fig. 1, an oily sludge pyrolysis treatment device is provided, which comprises a device machine 11, wherein a pyrolysis box 12 and a driving machine box 14 are erected on the device machine 11, a pyrolysis closed pipe 13 is arranged in the pyrolysis box 12, a feeding hopper 15 is externally connected to the top of the pyrolysis box 12, the bottom end of the feeding hopper 15 is connected with the pyrolysis closed pipe 13, an output end of the pyrolysis closed pipe 13 is provided with an output pipe 16, a driving connecting box 17 is arranged on the driving machine box 14, a material turning roller 18 is arranged in an inner cavity of the pyrolysis closed pipe 13, a power input end of the material turning roller 18 is connected with the driving connecting box 17, the tail end of the material turning roller 18 extends into the output pipe 16, an inner box bracket 21 is further arranged in the pyrolysis box 12, a plurality of heating elements 23 are arranged in the inner box bracket 21, a plurality of heating elements 22 are sleeved on the outer wall of the pyrolysis closed pipe 13, the heating elements 22 are in butt joint with the elements 23, a material turning roller 18 is arranged in an inner cavity of the pyrolysis closed pipe 13, a power input end of the material turning roller 18 is connected with the driving connecting box 17, the tail end of the material turning roller 18 extends into the output pipe 16, and the tail end of the pyrolysis box is connected with a condensing pipe 25 of the condensing pipe 25 arranged on the outer wall of the pyrolysis box 12.
The embodiment is used for pyrolysis treatment of oily sludge, the feed hopper 15 is input equipment of the oily sludge, the sludge is thrown into the feed hopper 15 and falls into a pipe body of the pyrolysis closing pipe 13, the pyrolysis closing pipe 13 is a bearing component for pyrolysis treatment of the sludge, the pyrolysis closing pipe 13 is arranged in the pyrolysis box 12, the pyrolysis box 12 is operation equipment for pyrolysis treatment and provides a thermal environment for pyrolysis operation, a material turning roller 18 is further arranged in a pipe body inner cavity of the pyrolysis closing pipe 13, a driving machine box 14 is externally connected to serve as driving equipment of the material turning roller 18, a plurality of heat conduction pieces 22 are arranged on an outer pipe wall of the pyrolysis closing pipe 13, the heat conduction pieces 22 serve as heat sources, meanwhile, an air exhaust pipe group 24 is externally connected to the top of the pipe body tail end of the pyrolysis closing pipe 13, and the air exhaust pipe group 24 is used for discharging water vapor and oil gas generated by pyrolysis treatment.
During operation, sludge is output from the feed hopper 15 and continuously introduced into the inner cavity of the pyrolysis closed pipe 13 through the stirring roller 18, in the sludge pyrolysis treatment process, low-boiling-point light hydrocarbon volatilizes from the oil-containing sludge along with the rising of the temperature, when the temperature exceeds 300 ℃, heavy oil starts to thermally crack, hydrocarbon generates free radicals due to thermal activation, a series of free radical reactions occur, on one hand, the reaction proceeds towards the cracking direction for generating small molecular hydrocarbon, on the other hand, the reaction proceeds towards the condensation direction of coking raw carbon, finally four products of oil, water, noncondensable gas and coke are generated, a heating area of a section is arranged on the outer pipe body of the pyrolysis closed pipe 13, a continuous heating path is formed, the continuous heating path of the oil-containing sludge is guaranteed, the stirring roller 18 synchronously drives continuous stirring of the oil-containing sludge in the process of conveying the oil-containing sludge, the heat conduction effect is improved, the inside and outside of the oil-containing sludge is guaranteed to continuously receive high temperature heat treatment, when the stirring roller 18 moves to the tail end of the stirring roller 18, the tail end of the stirring roller carries out air extraction treatment on the air extraction pipe, and leads water vapor, noncondensable gas and coke to the outside the solid coke from the feed hopper 25 to the next to the discharge bin 16, and the coke is discharged from the solid coke is discharged from the feed hopper to the next tank 15. Can continuously operate, can be effectively arranged on the whole sludge treatment production line, and improves the operation efficiency of the production line.
In one embodiment, referring to fig. 1 and 2, this embodiment is further designed as the above embodiment, and on the basis thereof, for the specific implementation structure of the pyrolysis closing tube 13, this embodiment is designed as follows:
the pyrolysis closing tube 13 includes heating jar body 41 and direction body 42, and heating jar body 41 is connected as integrated structure through first body adapter sleeve 48 with direction body 42, drive connection case 17 includes drive end butt joint case 43 and sets up in the peripheral closed frame 44 of drive end butt joint case 43, be provided with box external support frame 47 on the box of pyrolysis case 12, closed frame 44 passes through interior cover 46 and installs in box external support frame 47, the other end and the interior cover 46 of direction body 42 are connected as integrated structure through interior cover 45, the other end and the delivery tube 16 of heating jar body 41 are connected as integrated structure through second body adapter sleeve 49.
The pyrolysis closing tube 13 is integrally arranged in the pyrolysis box 12, the heating tank 41 and the guide tube 42 are combined and arranged into an integrated structure, the driving connecting box 17 is a connecting part of the driving machine box 14 and the pyrolysis box 12, the driving machine box 14 is connected into an integrated structure through the closing frame 44 and the box outer support frame 47 on the box shell of the pyrolysis box 12 by the supporting part of the driving end butt joint box 43, the inner connecting sleeve 46 and the guide tube 42 are connected into an integrated structure, so that the heat sealing effect in the whole pyrolysis box 12 operation process is kept, and the sealing closing effect of the pyrolysis closing tube 13 on sludge is also kept.
In one embodiment, referring to fig. 1, 2 and 3, this embodiment is further designed as the above embodiment, and on the basis of this embodiment, for a specific implementation structure of the oil-containing sludge introduction, this embodiment is designed as follows:
The feed hopper 15 comprises a hopper body 51 and a discharging valve port 52 arranged at the hopper bottom of the hopper body 51, and the discharging valve port 52 is communicated with the inner cavity of the guide pipe body 42.
The material turning roll 18 comprises a roll body 32 and a roll shaft 31 arranged at the driving end of the roll body 32, an auxiliary spiral auger 33, a scattering piece 35, a diffusion spiral piece 36 and a main spiral auger 34 are arranged on the roll body 32 of the roll body 32, the auxiliary spiral auger 33 is located in a tube inner region of a guide tube body 42, the main spiral auger 34 is located in a tube inner region of a heating tank 41, the scattering piece 35 is arranged behind the auxiliary spiral auger 33 and is located at the bottom of a material discharging valve port 52, the scattering piece 35 comprises a plurality of groups of cutting claw blocks 37, each group of cutting claw blocks 37 are distributed in an equidistant annular mode, the diffusion spiral piece 36 is located between the scattering piece 35 and the main spiral auger 34, the diffusion spiral piece 36 comprises a plurality of rows of hook-shaped blocks 38, and each row of hook-shaped blocks 38 are distributed in a spiral mode along the roll surface of the roll body 32.
In operation, the oily sludge slides down from the hopper body 51 and falls into the guide pipe body 42 through the discharging valve port 52, the scattering member 35 is located right below the discharging port of the discharging valve port 52, as an example, a mechanism arrangement mode is given in the figure, in this embodiment, every four cutting claw blocks 37 form a group, are annularly arranged on the roller body 32, the scattering member 35 is composed of four groups of cutting claw blocks 37, along with rotation of the roller body 32, the claw bodies of the cutting claw blocks 37 are in contact with the fallen oily sludge to form an effect of tearing the oily sludge, so that the oily sludge is more uniform during feeding, the problem of sludge agglomeration is reduced, the auxiliary spiral auger 33 has an auxiliary guide effect, the sludge (left side in the drawing) falling into the front end of the pyrolysis closed pipe 13 is guided to the right, the diffusion spiral member 36 is composed of the spiral arranged hook blocks 38, and the torn sludge is in a diffusion type to be conveyed backwards (right side in the drawing) on the basis of tearing the sludge of the scattering member 35, so that the sludge is further uniformly distributed on the periphery of the main spiral 34, and the subsequent pyrolysis degree of the oily sludge is improved.
In one embodiment, referring to fig. 1, 2 and 4, as a further design of the above embodiment, the embodiment is designed as follows for the specific implementation structure of the heat conducting member 22 and the heat supplying member 23:
the inner box support 21 is internally provided with a support mounting frame 61, the heat supply member 23 comprises a heat supply machine 62 arranged on the heat supply machine 62, a heating component 63 arranged in the heat supply machine 62 and a heat conduction pipeline 64 arranged at an air outlet of the heating component 63, and the heat supply machine 62 is externally connected with a gas supply conduit 65.
The heat conduction member 22 comprises an annular heat conduction frame 71, the annular heat conduction frame 71 is of an annular structure and sleeved on the periphery of the guide tube body 42 and is fixed through a fixed rail 73, a heat flow guide inlet 72 is arranged at the annular heat conduction frame 71, the heat conduction pipeline 64 is communicated with the inner cavity of the annular heat conduction frame 71 through the heat flow guide inlet 72, a heat flow guide rail 74 is arranged on the inner wall of the annular heat conduction frame 71, a plurality of heat flow guide grooves 75 are formed in the inner surface of the heat flow guide rail 74, a heat conduction section 76 is formed in the heat flow guide groove 75, the heat conduction member 22 further comprises a heat absorption member 77 sleeved on the outer wall of the guide tube body 42, and the heat absorption member 77 is positioned in the corresponding annular heat conduction frame 71 and is provided with a heat conduction inner ring 78 between the heat absorption member 77 and the tube wall of the heating tank body 41.
The heat supply machine 62 is used as a heat supply structure, the air supply conduit 65 is used as an input tool of air flow, high-temperature nitrogen is used as a heat source medium, the nitrogen is heated and guided into the heat conduction pipeline 64 through the heating component 63, the high-temperature nitrogen enters the inner cavity of the annular heat conduction frame 71 through the heat flow guide opening 72, the heat flow guide rail 74 is arranged on the inner wall of the annular heat conduction frame 71, the high-temperature nitrogen moves annularly along the heat conduction region 76 and further moves directly along the surface of the heat absorbing member 77, the heat conduction inner ring 78 is made of a heat conduction material and extends to the inner pipe wall of the guide pipe body 42 so as to be in contact with the oil-containing sludge, and therefore the oil-containing sludge is continuously subjected to heating treatment of the high-temperature nitrogen in the backward spiral movement process, and a series of free radical reactions occur through pyrolysis. On one hand, the process is carried out towards the cracking direction of the small molecular hydrocarbon, and on the other hand, the process is carried out towards the condensation direction of coking raw carbon, and finally, four products of oil, water, non-condensable gas and coke are produced.
In one embodiment, referring to fig. 1 and 5, this embodiment is further designed as the above embodiment, and on the basis thereof, for the specific implementation structure of the condensation enclosure 25, this embodiment is designed as follows:
The condensing case 25 comprises a case 82 and a plurality of rows of condensing tube groups 84 arranged in the case 82, the case 82 is fixed on the outer wall of the pyrolysis case 12 through a fixing plate 81, the inner cavity of the case 82 is provided with a condensing section 83, the condensing section 83 is externally connected with a condensate inlet tube 86, the condensing tube groups 84 are arranged in the condensing section 83, and each row of condensing tube groups 84 comprises a plurality of heat exchange curved tubes 85.
The condensing box 25 is used for condensing three gas products, namely water vapor, oil vapor and non-condensable gas, which are subjected to separation treatment, the condensate inlet pipe 86 is used as a cooling source, the inner area of the condensing zone 83 forms a cooling environment, the gas products are shunted from the air exhaust pipe group 24 to each heat exchange curved pipe 85, meanwhile, each heat exchange curved pipe 85 is in a curved fold-line type arrangement, the contact between the gas products and the inner environment of the condensing zone 83 is fully maintained, the gas products continuously release heat, in the heat release process, the water vapor and the oil vapor are subjected to exothermic reaction to liquefy, the non-condensable gas is continuously kept in a gas state, the gas and the liquid are further separated, and meanwhile, the water liquid and the oil are easily layered in the movement process of the curved pipe, so that water and oil separation is also formed initially, and the separation operation of the gas, the oil and the water of the follow-up working station is facilitated.
Opening a valve at the feed hopper 15, conveying the oily sludge into the feed hopper 15 by adopting a conveying belt, and falling into the pyrolysis closed tube 13 along a hopper body 51 of the feed hopper 15;
Starting a driving machine case 14, driving the turning roller 18 to move by the driving machine case 14, setting the rotating speed of the turning roller 18 to be 100 revolutions per minute, and slowly guiding the oily sludge to the rear of the inner cavity of the pipe body of the pyrolysis closed pipe 13, and simultaneously starting a heat supply piece 23 to enable the heat supply piece 23 to supply heat to the heat conduction piece 22 so as to heat the integral pyrolysis closed pipe 13, wherein the initial heat supply temperature is set to be 350 ℃ of a scattering piece;
Step three, after the pyrolysis amount of the single oily sludge is completely injected, closing a valve at a feed hopper 15, continuously driving a turning roll 18, and compressing and concentrating the oily sludge in the pipe inner area of a guide pipe body 42;
Step four, the rotating speed of the roller body 32 of the turning roller 18 is increased, the rotating speed of the turning roller 18 is set to be 250 revolutions per minute of a condenser case, the heat supply part 23 is controlled to continuously supply heat, and the heat supply temperature of the heat conduction part 22 is increased to 500 ℃, so that heavy oil starts to thermally crack and continuously pyrolyzes for 3 hours;
stopping the movement of the turning-over roller 18, opening the air exhaust pipe group 24, exhausting the air flow in the pyrolysis closing pipe 13, leading out the gas mixture of oil, water and noncondensable gas,
And step six, after the extraction is completed, opening a valve in the delivery pipe 16, and starting the turning roll 18 again to collect solid coke through the discharge of the delivery pipe 16.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410971331.3A CN118812119B (en) | 2024-07-19 | 2024-07-19 | Oil-containing sludge pyrolysis treatment equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410971331.3A CN118812119B (en) | 2024-07-19 | 2024-07-19 | Oil-containing sludge pyrolysis treatment equipment and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118812119A CN118812119A (en) | 2024-10-22 |
| CN118812119B true CN118812119B (en) | 2025-03-04 |
Family
ID=93085772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410971331.3A Active CN118812119B (en) | 2024-07-19 | 2024-07-19 | Oil-containing sludge pyrolysis treatment equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118812119B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851188A (en) * | 2019-03-28 | 2019-06-07 | 北京云水浩瑞环境科技有限公司 | The method of continous way oily sludge pyrolysis plant and processing oily sludge |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030028316A (en) * | 2001-09-29 | 2003-04-08 | 라이텍 (주) | A Oil Recovery Device Using Pyrolysis Of High Molecule Waste-plastic |
| CN109158408B (en) * | 2018-09-28 | 2023-11-21 | 济南恒誉环保科技股份有限公司 | A solid hazardous waste cracking process and complete equipment |
| CN216662810U (en) * | 2021-12-08 | 2022-06-03 | 营口宁泰环保科技有限公司 | Periodic dirty oil sludge pyrolysis treatment device and dirty oil sludge treatment system |
| KR102735006B1 (en) * | 2022-06-24 | 2024-11-27 | 주식회사 상수 | Continuous type pyrolysis |
-
2024
- 2024-07-19 CN CN202410971331.3A patent/CN118812119B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851188A (en) * | 2019-03-28 | 2019-06-07 | 北京云水浩瑞环境科技有限公司 | The method of continous way oily sludge pyrolysis plant and processing oily sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118812119A (en) | 2024-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1048088C (en) | Thermal conversion pyrolysis reactor system | |
| US9440214B2 (en) | Device for processing domestic and industrial organic waste | |
| CN108795464B (en) | Desorption treatment method and device using flue gas indirect heating | |
| CN102492442B (en) | Garbage microwave cracking furnace | |
| CN105542867A (en) | Resource gradient cracking system | |
| CN111558611B (en) | Negative pressure thermal desorption treatment system for mercury contaminated soil | |
| CN107388249A (en) | A kind of continous way organic matter pyrolysis combustion integrative device and method | |
| CN118812119B (en) | Oil-containing sludge pyrolysis treatment equipment and method | |
| CN216297479U (en) | Pyrolysis type medical waste treatment system | |
| CN115651717A (en) | Alternate pyrolysis gasification device and method | |
| CN119426334A (en) | Integrated device for anaerobic high temperature decomposition of domestic waste sludge to produce biochar | |
| CN108467742B (en) | Sand desorption treatment method and device by utilizing flue gas indirect heating | |
| CN116159849B (en) | A continuous pyrolysis device and method | |
| KR102547205B1 (en) | Transfer equipment for Ultrasonic pyrolysis of Polymer waste | |
| CN212610424U (en) | An oily sludge treatment system based on three-stage rotary kiln | |
| US20100043684A1 (en) | Refuse Processing and Energy Recovery System and Method | |
| CN201095629Y (en) | Waste tire cracking device | |
| RU2734311C1 (en) | Pyrolysis unit for continuous action and method of processing solid household wastes | |
| CN109556115A (en) | Biohazard Waste is burnt for steam integration system | |
| CN209652239U (en) | Continous way catalytic pyrolysis liquefaction machine | |
| CN109536207B (en) | A kind of atmospheric pressure fixed bed biomass gasification furnace and biomass atmospheric gasification method | |
| RU96217U1 (en) | DEVICE FOR THE PROCESSING OF HOUSEHOLD AND INDUSTRIAL ORGANIC WASTE | |
| CN110872523B (en) | A waste-derived fuel thermal decomposition system and thermal decomposition process | |
| CN108949204B (en) | Multistage thermal desorption device | |
| CN217297639U (en) | Microwave reactor for oil-containing sludge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |