CN112371701A - Waste tyre oil refining equipment - Google Patents
Waste tyre oil refining equipment Download PDFInfo
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- CN112371701A CN112371701A CN202011285349.6A CN202011285349A CN112371701A CN 112371701 A CN112371701 A CN 112371701A CN 202011285349 A CN202011285349 A CN 202011285349A CN 112371701 A CN112371701 A CN 112371701A
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- slag
- slag discharging
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- 239000010920 waste tyre Substances 0.000 title claims abstract description 29
- 238000007670 refining Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 129
- 239000002893 slag Substances 0.000 claims abstract description 127
- 238000007599 discharging Methods 0.000 claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000001816 cooling Methods 0.000 claims abstract description 60
- 239000006229 carbon black Substances 0.000 claims abstract description 52
- 238000005336 cracking Methods 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000003860 storage Methods 0.000 claims abstract description 31
- 239000011261 inert gas Substances 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 84
- 238000007885 magnetic separation Methods 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 23
- 239000006148 magnetic separator Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010763 heavy fuel oil Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 39
- 238000002485 combustion reaction Methods 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000000295 fuel oil Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 239000012634 fragment Substances 0.000 description 7
- 238000010079 rubber tapping Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- 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
- C10G1/008—Controlling or regulating of liquefaction processes
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses waste tire oil refining equipment which comprises a feeding system, a cracking system, a discharging system and a circulating water cooling system, wherein the discharging system comprises an oil separating cooling system and a slag discharging system; the slag discharging system comprises a slag discharging mechanism, a steel wire separating mechanism, a spiral slag discharging mechanism and a carbon black storage mechanism which are arranged in sequence; wherein, the slag discharging mechanism comprises a slag discharging pipe communicated with a slag outlet in the cracking system and a slag discharging valve arranged on the slag discharging pipe; and the part of the slag discharge pipe above the slag discharge valve is communicated with an inert gas storage tank. The invention has simple operation, high controllability and low overall fault occurrence rate, and can avoid safety accidents while ensuring high-efficiency working efficiency. The invention is suitable for the use in the oil refining by cracking the waste tires.
Description
Technical Field
The invention belongs to the technical field of tire cracking, and particularly relates to waste tire oil refining equipment.
Background
After the waste tires are recycled, the waste tires are generally decomposed into fuel oil, carbon black and steel wires by oil refining equipment, so that the resources are recycled. In the cracking process of the tire, the fuel oil generated by the reaction can be directly discharged out of the cracking reaction kettle in a gas state and is condensed into liquid fuel oil through a condensing mechanism; after the cracking of the tire is finished, carbon black generated by the reaction can be discharged out of the cracking reaction kettle through a slag discharging system. However, after oil refining, a small amount of residual oil gas generally exists in the cracking reaction kettle, and the residual oil gas enters a slag discharge system when a slag discharge valve is opened and adheres to the inner wall of the slag discharge valve to form a layer of oil sludge film. In the initial stage of slag discharge, when the layer of oil sludge film meets the hot carbon black, the oil sludge film can be evaporated in a narrow slag discharge valve to form oil fume, explosion can be caused under certain conditions, and the safety production of a factory is seriously influenced.
In the prior art, in order to reduce the influence of residual oil gas on the slag discharge process, an oil drain pipe is generally connected above a slag discharge valve so as to discharge the residual oil gas between the slag discharge valve and a slag outlet of a cracking reaction kettle before the slag discharge valve is opened. However, this approach has the following disadvantages: firstly, only a part of residual oil gas (gas) can be discharged by utilizing the atmospheric pressure difference; secondly, the residual oil gas (liquid) at the lowest position of the slag discharge valve and the residual oil gas (liquid) attached to the inner wall of the slag discharge valve are difficult to be completely discharged. Therefore, it is difficult to fundamentally avoid the explosion risk caused by the residual oil gas in this manner.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the waste tire oil refining equipment so as to ensure the high-efficiency working efficiency of the equipment and simultaneously avoid safety accidents.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a waste tire oil refining device comprises a feeding system, a cracking system, a discharging system and a circulating water cooling system, wherein the discharging system comprises an oil separating cooling system and a slag discharging system; the slag discharging system comprises a slag discharging mechanism, a steel wire separating mechanism, a spiral slag discharging mechanism and a carbon black storage mechanism which are arranged in sequence; wherein, the slag discharging mechanism comprises a slag discharging pipe communicated with a slag outlet in the cracking system and a slag discharging valve arranged on the slag discharging pipe; and the part of the slag discharge pipe above the slag discharge valve is communicated with an inert gas storage tank.
As the limitation of the invention, the part of the slag discharging pipe below the slag discharging valve is provided with an oil discharging port, and the oil discharging port is detachably connected with a guide plate for discharging residual fuel oil.
As another limitation of the invention, the spiral slag discharging mechanism comprises at least one spiral slag discharging device, and a slag discharging end prompting component is arranged on the spiral slag discharging device; a magnetic separator is also arranged between the spiral slag discharging mechanism and the carbon black storage mechanism.
As a further limitation of the invention, the spiral slag extractor comprises a sealed shell and a packing auger which is rotatably connected in the sealed shell; the inner wall of the sealing shell is fixedly provided with a steel wire scraper along the length direction, and the steel wire scraper is arranged above the packing auger and is attached to the edge of the packing auger blade.
As still further defined by the present invention, the magnetic separator comprises a magnetic separation mechanism and a first driving mechanism for driving the magnetic separation mechanism to rotate; magnetic separation mechanism is including the first magnetic separation roller that is arranged in adsorbing the steel wire in the carbon black and the second magnetic separation roller that is used for adsorbing the steel wire on the first magnetic separation roller to the steel wire discharge gate.
As a third definition of the invention, the feeding system comprises a reciprocating feeder and a screw feeder each feeding independently.
As a further limitation of the present invention, the reciprocating feeder comprises a vehicle body and a first bin provided on the vehicle body; a material pushing plate is arranged in the first storage bin, and a second driving mechanism for driving the material pushing plate to reciprocate is fixedly arranged on the car body; and a plurality of baffle plates for preventing the waste tires from falling into a return path of the material pushing plate are fixedly arranged on the material pushing plate.
As a further limitation of the invention, the screw feeder comprises a feeding shell, a screw conveying mechanism arranged inside the feeding shell and a second bin arranged above a feeding hole of the feeding shell; a gap for enabling the waste tire to fall towards the axis of the feeding shell is arranged between the inner wall above the feeding shell and the spiral conveying mechanism along the conveying direction of the spiral conveying mechanism; the inner wall below the feeding shell is attached to the outer edge of the spiral conveying mechanism.
As a further limitation of the present invention, the circulating water cooling system comprises a centralized water supply mechanism, a cooling tank and a condensing mechanism provided in the oil-separating cooling system; wherein, the centralized water supply mechanism, the cooling tank and the condensing mechanism are connected by pipelines to form a closed water loop; the cooling tank comprises a cooling tank body and drainage pipelines circumferentially distributed on the inner wall of the cooling tank body.
As a further limitation of the present invention, the condensing mechanisms each comprise a flue condenser and a plurality of oil duct condensers; the centralized water supply mechanism is connected with a flue condenser and an oil duct condenser pipeline in the condensing mechanism through a water separator.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) in the discharging system, the part of the slag discharging pipe above the slag discharging valve is communicated with the inert gas storage tank, and inert gas (CO) can be injected into the slag discharging system through the inert gas storage tank at the initial stage of slag discharging2Or N2) And the residual oil gas is isolated from oxygen, so that the explosion hazard caused by the residual oil gas is avoided, and the safety accident in the production process can be effectively avoided.
(2) In the discharging system, the oil outlet is arranged below the slag discharging valve, and residual oil gas (liquid) in the slag discharging valve is discharged through the guide plate, so that the residual oil gas on the inner wall of the slag discharging valve and at the lowest position of the slag discharging valve can be discharged as far as possible, the influence of the residual oil gas on the carbon black discharging process is further reduced, and the carbon black can be quickly and smoothly discharged from the cracking system.
(3) Because the discharging system of the waste tire oil refining equipment is a closed discharging system, the whole discharging process is invisible, and the time when the discharging is finished cannot be known. In the discharging system, the spiral slag discharger is provided with a slag discharging end prompting component, and the thermocouple sensor is used for detecting whether carbon black exists in the spiral slag discharger in real time, so that whether the discharging process is completely finished can be accurately judged. The invention can avoid the influence of excessive carbon black remaining in the cracking system on the next cracking work of the equipment.
(4) In the discharging system, the steel wire scraper arranged in the spiral slag extractor can scrape off the steel wire clamped on the edge of the auger, so that the steel wire is prevented from being blocked between the auger and the gap of the sealed shell of the spiral slag extractor, and the normal operation of the auger is prevented from being influenced. The invention can reduce the failure rate of the spiral slag discharger and ensure the high-efficiency conveying efficiency of the spiral slag discharger on carbon black.
(5) In the discharging system, the magnetic separator is arranged between the spiral slag discharging mechanism and the carbon black storage mechanism, so that fine steel wires mixed in the carbon black can be screened and filtered, the influence of the steel wires on the later finish machining of the carbon black is reduced, and the quality of the carbon black can be greatly improved.
(6) In the discharging system, the magnetic separator is provided with two magnetic separation mechanisms, the first magnetic separation roller is used for adsorbing steel wires in carbon black materials, and the second magnetic separation roller is used for adsorbing the steel wires on the first magnetic separation roller, so that the adsorption efficiency of the magnetic separator on the steel wires in the carbon black can be improved, and the carbon black and the steel wires are thoroughly separated.
(7) The feeding system is provided with a reciprocating feeder and a screw feeder which work independently, wherein the reciprocating feeder is used for feeding the whole waste tires, and the screw feeder is used for feeding rubber blocks after the tires are shredded. For tire raw materials of different forms, the feeding system can smoothly complete feeding work, and the applicability is wide.
(8) In the feeding system, the reciprocating feeder adopts the hydraulic oil cylinder as a power source, the power is large, the reciprocating motion frequency of the material pushing plate is accelerated while the reciprocating motion stability of the material pushing plate is ensured, the working efficiency is high, and the material pushing plate is not easy to damage; when the material pushing plate reciprocates, the baffle fixedly arranged above the material pushing plate can prevent the waste tires from falling into a return path of the material pushing plate, the waste tires can be effectively prevented from being stacked and blocked between the material pushing plate and the hydraulic oil cylinder, the fault occurrence rate is reduced, and the periodic maintenance and the cleaning of a reciprocating feeder by a worker are avoided.
(9) In the feeding system, a gap is arranged between the outer edge of the spiral conveying mechanism and the inner wall above the feeding shell, and if the tire fragments are clamped between the outer edge of the spiral conveying mechanism and the inner wall of the feeding shell in the conveying process, the tire fragments can fall back to the spiral conveying mechanism from the gap to continue to advance when rotating upwards along with the spiral conveying mechanism, so that the waste tire fragments can be effectively prevented from influencing the rotating speed of the spiral conveying mechanism, and the tire fragments can be prevented from being blocked in the feeding shell.
(10) In the circulating water cooling system, the centralized water supply mechanism is adopted to supply water for the condensation mechanism in the oil separation cooling system, so that water supply pipelines in the circulating water cooling system can be centrally planned and arranged, the trouble is reduced, the simplification is realized, and the workload of workers in overhauling and maintaining the water supply pipelines is reduced; on the other hand, the using quantity of the water pumps is reduced, the operation fault points are reduced, and the normal operation of the equipment can be effectively ensured.
(11) In the circulating water cooling system, the cooling tank can directly replace a cooling tower, so that the construction investment cost is further reduced while hot water in the circulating water cooling system is rapidly cooled. According to the cooling tank, the drain holes formed in the drainage pipeline are utilized, hot water is sprayed into the air through the backwater pressure, the contact surface between the hot water and the air is enlarged, the hot water can be rapidly cooled, the cooling effect is good, no energy is consumed in the whole cooling process, and the cooling tank is energy-saving and environment-friendly. The cooling pool can be used for a long time only by putting into a pipeline, the construction cost is low, no operation energy consumption exists, the maintenance is avoided, and the use effect is remarkable.
(12) In the circulating water cooling system, the condensing mechanism comprises a plurality of oil duct condensers and flue condensers, so that not only can oil gas generated by the cracking system be condensed, but also smoke in a flue of the cracking system can be cooled and dedusted. The equipment also reduces the discharge amount of pollutants in the flue gas on the premise of ensuring the smooth production process, and the whole production process is more scientific and environment-friendly.
(13) In the circulating water cooling system, the water separator can evenly distribute the circulating water provided by the centralized water supply mechanism into the oil duct condenser and the flue condenser of the condensing mechanism, the operation is simple, the controllability is high, and the normal operation of the system can be ensured.
In conclusion, the invention has the advantages of simple operation, high controllability and low overall fault occurrence rate, and can avoid safety accidents while ensuring high-efficiency working efficiency. The invention is suitable for the use in the oil refining by cracking the waste tires.
Drawings
The invention is described in further detail below with reference to the figures and the embodiments.
FIG. 1 is a front view showing the structural relationship of a reciprocating feeder according to an embodiment of the present invention;
FIG. 2 is a front view showing the structural relationship of a screw feeder according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a non-condensing combustion mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a high-pressure ignition pack in a non-condensable gas combustion mechanism in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a slag discharging mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a slag tapping system according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a spiral slag extractor according to an embodiment of the present invention;
FIG. 8 is a schematic sectional view taken along the line A-A in FIG. 7;
FIG. 9 is a schematic structural view of a magnetic separator according to an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a circulating water cooling system according to an embodiment of the present invention;
FIG. 11 is a schematic diagram showing the structure of a cooling pool according to an embodiment of the present invention;
in the figure: 1. a lysis system; 2. a slag discharge mechanism; 3. a steel wire separating mechanism; 4. a spiral slag discharging mechanism; 5. a carbon black storage mechanism; 6. a magnetic separator; 7. a slag tapping end prompt component; 101. a vehicle body; 102. a material pushing plate; 103. a baffle plate; 104. a second drive mechanism; 105. a first storage bin; 106. a moving mechanism; 201. a base; 202. a feed housing; 203. a screw conveying mechanism; 204. a second storage bin; 205. a pressure spring; 301. a combustion lance; 302. a high pressure ignition pack; 303. a combustion chamber; 304. an ignition needle; 305. a filter tank; 306. a buffer tank; 307. a compressor; 308. a gas storage tank; 309. an outdoor combustion chamber; 401. a slag discharge pipe; 402. a slag discharge valve; 403. an inert gas storage tank; 404. an oil discharge port; 405. a baffle; 406. fireproof cloth; 501. sealing the housing; 502. a steel wire scraper; 503. a packing auger; 601. a first magnetic separation roller; 602. a second magnetic separation roller; 603. a semicircular magnet; 701. a centralized water supply mechanism; 702. a water supply main pipe; 703. a condensing mechanism; 704. a water return main pipe; 705. a cooling pool; 706. a flue condenser; 707. an oil duct condenser; 708. a water separator.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the description of the preferred embodiment is only for purposes of illustration and understanding, and is not intended to limit the invention.
Example a waste tyre oil refining equipment
The embodiment comprises a feeding system, a cracking system 1, a discharging system and a circulating water cooling system. In the embodiment, the systems cooperate with each other to crack the waste tires into fuel oil and carbon black, so that the resources are recycled.
Feeding system
The feeding system in this embodiment comprises a reciprocating feeder and a screw feeder, each feeding independently, wherein the reciprocating feeder is used for feeding the whole waste tires, and the screw feeder is used for feeding the tire fragments. For tire raw materials with different forms, the feeding system can smoothly complete feeding work.
(1) Reciprocating feeder
The reciprocating feeder in the feeding system comprises a vehicle body 101 and a first bin 105 arranged on the vehicle body 101, wherein a moving mechanism 106 for driving the vehicle body 101 to move is arranged on the vehicle body 101. The moving mechanism 106 is able to control the reciprocating feeder to move back and forth and left and right through the control system, so as to adjust the position of the reciprocating feeder and enable the connecting with the cracking system 1 to be more flexible.
As shown in fig. 1, a circular material pushing plate 102 is disposed in the first bin 105, an outer edge of the material pushing plate 102 is attached to an inner wall of the first bin 105, and the material pushing plate 102 can reciprocate under the driving of the second driving mechanism 104, so as to push the waste tires in the first bin 105 into the cracking system 1. A plurality of baffle plates 103 are fixedly arranged above the material pushing plate 102, and the baffle plates 103 are fixed on the material pushing plate 102 through bolts and can reciprocate along with the material pushing plate 102 so as to prevent waste tires from falling into a cavity of a return path. In this embodiment, three baffle plates 103 are provided at intervals along the circumferential direction of the pusher plate 102, and are collectively provided at the feed inlet position of the first bin 105.
In this embodiment, the second driving mechanism 104 is a hydraulic cylinder.
(2) Screw feeder
The screw feeder in the feeding system mainly comprises a base 201, a feeding shell 202, a screw conveying mechanism 203 and a second storage bin 204; wherein, four corners of the upper surface of the base 201 are respectively fixedly provided with a pressure spring 205, and the feeding shell 202 is fixedly arranged on the base 201 through the pressure springs 205. When the screw feeder is installed, the feeding shell 202 can be adaptive to the height of the feeding hole of the cracking system 1 under the action of the pressure spring 205, and the coaxiality of the feeding hole and the feeding hole is ensured.
The screw conveying mechanism 203 in the feeding system has the same structure as the existing auger structure and mainly comprises a screw blade and a hydraulic motor for driving the screw blade to rotate. As shown in fig. 2, the screw conveyor 203 is integrally disposed inside the feeding housing 202, the outer edge of the screw blade of the screw conveyor 203 is attached to the inner wall of the feeding housing 202 below, and a gap is left between the outer edge of the screw blade and the inner wall of the feeding housing 202 above, so that the tire fragments clamped on the edge of the screw blade can fall back to the screw conveyor 203 from the gap to continue to advance, and the tire fragments can be effectively prevented from being blocked in the feeding housing.
This feeding system screw feeder's second feed bin 204 wholly locates the top of feeding shell 202 feed inlet, is the toper structure to in second feed bin 204 is thrown into to the junked tire piece to the convenience.
Second, cracking system 1
The cracking system 1 adopted in this embodiment is of an existing structure, wherein a cracking reaction kettle is an important component of the whole cracking system 1. When the cracking reactor is used, the feeding hole of the cracking reactor can be connected with the discharge hole of the reciprocating feeder or the spiral feeder, and waste tires are cracked into carbon black and fuel oil in the cracking reactor.
It should be noted that, when the cracking reaction kettle cracks the waste tires at a high temperature, a large amount of non-condensable gas is generated, so the cracking system 1 is further provided with a non-condensable gas combustion mechanism to utilize the non-condensable gas generated by cracking. As shown in fig. 3 to 4, the non-condensable gas combustion mechanism comprises a filter tank 305, a buffer tank 306, a compressor 307 and a gas storage tank 308 which are sequentially communicated, wherein the filter tank 305 is communicated with the internal space of the cracking reactor through a pipeline, and can collect the non-condensable gas generated inside the cracking reactor into the gas storage tank 308; the gas storage tank 308 is connected with the combustion spray gun 301 through a pipeline, the combustion spray gun 301 is integrally arranged in the combustion chamber 303 of the cracking reaction kettle, and non-condensable gas in the gas storage tank 308 can be introduced into the combustion chamber 303 to be combusted. In this embodiment, an outdoor combustion chamber 309 is further provided, which is in communication with the gas tank 308, and is used for emergency combustion and discharge when abnormal production occurs.
In the working process, the non-condensable gas generated by the cracking reaction kettle is subjected to gas-liquid separation, enters the filter tank 305 for filtering, and enters the buffer tank 306 for buffering and pressure stabilization, when the pressure of the buffer tank 306 reaches a set value, the compressor 307 is automatically started, and the non-condensable gas extracted by the compressor 307 from the buffer tank 306 is compressed to a certain pressure and then stored in the gas storage tank 308 for later use.
In order to facilitate ignition of the combustion spray gun 301, the present embodiment is further provided with a high-voltage ignition pack 302 for igniting non-condensable gas, as shown in fig. 4, the high-voltage ignition pack 302 adopts a high-voltage insulated wire connected to a 220V power supply, and an ignition needle 304 of the high-voltage ignition pack 302 is arranged at a muzzle position of the combustion spray gun 301. In use, the high-pressure ignition pack 302 generates an electric spark by a high-voltage current to burn the non-condensable gas injected from the combustion lance 301.
Third, discharge system
The discharging system in this embodiment includes a oil separation cooling system and a slag discharging system, wherein the oil separation cooling system condenses the fuel oil gas generated in the cracking reactor, and the slag discharging system collects the carbon black generated in the cracking reactor.
Oil distribution cooling system
The oil distribution cooling system in the discharging system completely adopts the existing structure and mainly comprises an oil conveying pipe, a plurality of oil duct condensers 707 arranged on the oil conveying pipe and an oil collecting tank connected with the oil conveying pipe. The oil delivery pipe is communicated with the cracking reaction kettle, and when the cracking reaction kettle cracks the waste tires, the generated fuel oil can be condensed by the oil duct condenser 707 and then conveyed to the oil collecting tank.
(II) slag discharging system
The slag discharging system in the discharging system comprises a slag discharging mechanism 2, a steel wire separating mechanism 3, a spiral slag discharging mechanism 4 and a carbon black storage mechanism 5 which are arranged in sequence; wherein, the slag discharging mechanism 2 is communicated with an inert gas storage tank 403. At the initial stage of slagging tap, this slag tapping system can utilize inert gas storage tank 403 to pour into inert gas into to slag discharging mechanism 2, makes the remaining oil gas in the slag discharging mechanism 2 isolated with oxygen, and then reduces the probability that the remaining oil gas causes the explosion, stops the emergence of carbon black discharge in-process incident.
As shown in FIG. 5, the slag discharging mechanism 2 comprises a slag discharging pipe 401 communicated with the slag outlet of the cracking system 1, and a slag discharging valve 402 disposed on the slag discharging pipe 401. The slag discharge pipe 401 is divided into an upper part and a lower part by the slag discharge valve 402, wherein the part of the slag discharge pipe 401 above the slag discharge valve 402 is communicated with an inert gas storage tank 403 so as to inject inert gas into the whole slag discharge system; an oil discharge port 404 is arranged at the position of the slag discharge pipe 401 below the slag discharge valve 402, and residual oil gas condensed on the inner wall of the slag discharge pipe 401 is discharged as far as possible through a guide plate 405 detachably connected to the oil discharge port 404.
More specifically, the oil drain 404 is an annular opening disposed along the circumference of the slag discharge pipe 401, and is disposed obliquely so as to facilitate the placement of the deflector 405. The position of the oil discharge port 404 of the slag discharge pipe 401 is also provided with a fireproof cloth 406, and the oil discharge port 404 can be sealed through the fireproof cloth 406 after oil discharge is finished, so that carbon black is prevented from being discharged to the outside from the oil discharge port 404, and normal carbon black discharge is ensured.
In the embodiment, nitrogen is used as inert gas to isolate the residual oil gas in the slag discharging mechanism 2 from air.
The wire separating mechanism 3 is used for separating a large amount of wires entrained in the carbon black. In this embodiment, the wire separating mechanism 3 is a wire separator in the prior art, and is not described herein again.
The spiral tapping mechanism 4 is used to transport the carbon black to the carbon black storage mechanism 5. The spiral slag discharging mechanism 4 comprises at least one spiral slag discharging device, and a slag discharging end prompting component 7 is arranged on the spiral slag discharging device. Specifically as shown in fig. 6, this embodiment includes two spiral slag ejectors, and the hookup location department of two spiral slag ejectors is equipped with the suggestion subassembly 7 that finishes of slagging tap to whether the work of accurately judging slagging tap is finished.
Wherein, the spiral slag extractor comprises a sealed shell 501 provided with a feeding hole and a discharging hole, and an auger 503 which is rotatably connected in the sealed shell 501. As shown in fig. 7 and 8, the seal case 501 is elongated and has a U-shaped cross section, a wire scraper 502 is provided on the inner wall of the seal case 501 along the longitudinal direction thereof, and the wire scraper 502 is provided above the auger 503 and attached to the edge of the blade of the auger 503. When carbon black is conveyed, the steel wire scraper 502 can scrape the steel wire groups clamped at the edge of the screw conveyer blade onto the screw conveyer 503 blade so as to prevent the steel wires from blocking in the screw conveyer.
The slag tapping end prompt component 7 comprises a thermocouple sensor arranged inside the spiral slag tapping device and an electronic display arranged outside the spiral slag tapping device and electrically connected with the thermocouple sensor. When the carbon black passes through the spiral slag extractor, the thermocouple senses the temperature and displays the temperature in real time through the electronic display; after the slag is discharged, the thermocouple cannot sense the heat of the carbon black, and the temperature value on the electronic display is correspondingly reduced. When the temperature is reduced to about 30 ℃, the slag can be judged to be finished.
The carbon black storage mechanism 5 is a carbon black bin for storing carbon black, as shown in fig. 6, the whole carbon black bin is of a structure with a wide top and a narrow bottom, and the upper part of the carbon black bin is communicated with the spiral slag discharging mechanism 4 and is used for receiving the carbon black sent by the spiral slag discharging mechanism 4; the lower part is provided with an opening so as to bag and pack the carbon black in the carbon black bin.
In this embodiment, still be provided with magnet separator 6 between spiral 4 and the carbon black storehouse of slagging tap mechanism, further adsorb the tiny steel wire in the carbon black through magnet separator 6, can corresponding improvement carbon black's quality, avoid carbon black finish machining to receive the influence of steel wire.
As shown in FIG. 9, the magnetic separator 6 comprises a magnetic separation mechanism and a first driving mechanism for driving the magnetic separation mechanism to rotate. Wherein, magnetic separation mechanism includes first magnetic separation roller 601 and second magnetic separation roller 602, and first magnetic separation roller 601 and second magnetic separation roller 602 mutually support, can adsorb the screening out completely with the tiny steel wire in the carbon black.
More specifically, the first magnetic separation roller 601 is arranged below the feed inlet of the magnetic separator 6 and used for adsorbing steel wires in carbon black; the second magnetic separation roller 602 is arranged above the first magnetic separation roller 601, is arranged in parallel with the first magnetic separation roller 601, and is used for adsorbing steel wires on the first magnetic separation roller 601. In this embodiment, the first magnetic separation roller 601 and the second magnetic separation roller 602 are the same in structure in the prior art, and both include a rotating housing and a semicircular magnet 603 fixed on the lower half portion of the rotating housing. Wherein, the power take off end of first actuating mechanism is fixed with rotatory shell, drives rotatory shell and rotates.
During actual work, the semicircular magnet 603 in the first magnetic separation roller 601 adsorbs the steel wire in the carbon black to the rotating shell, and the rotating shell drives the steel wire to rotate; when the rotating shell brings the steel wire above the first magnetic separation roller 601 (at this time, the adsorption force of the semicircular magnet 603 in the first magnetic separation roller 601 to the steel wire is minimum), the semicircular magnet 603 in the second magnetic separation roller 602 adsorbs the steel wire on the first magnetic separation roller 601 away, and similarly, when the steel wire rotates to the top along with the rotating shell of the second magnetic separation roller 602, the steel wire is separated from the second magnetic separation roller 602 and falls into the steel wire collection box, so that the separation of the carbon black and the steel wire is completed.
Fourth, circulating water cooling system
This circulating water cooling system adopts centralized water supply mechanism 701 to supply water for condensation mechanism 703 to utilize cooling bath 705 to directly replace traditional condensing tower to cool off the produced hot water cooling of condensation mechanism 703, whole system construction cost is low, the operation energy consumption is few and difficult the trouble that breaks down.
The centralized water supply mechanism 701, the cooling pool 705 and the condensing mechanism 703 in the system are connected by pipelines to form a closed water loop. As shown in fig. 10, the water outlet of the centralized water supply mechanism 701 is connected to the water inlet of the condensation mechanism 703 through a water supply main pipe 702, the water outlet of the condensation mechanism 703 is connected to the cooling tank 705 through a water return main pipe 704, and the water outlet of the cooling tank 705 is connected to the water inlet of the centralized water supply mechanism 701 through a large-caliber main pipe, so as to form a closed water loop, and continuously provide cooling function for the waste tire oil refining equipment through circulating cooling water.
The condensing mechanisms 703 each include a flue condenser 706 and a plurality of oil passage condensers 707. The flue condenser 706 is arranged at the flue position of the cracking system 1, and the flue gas outlet of the flue condenser 706 is provided with an alkali liquor spray header so as to desulfurize and dedust the cooled flue gas by using alkali liquor; the oil duct condenser 707 is provided at an oil delivery pipe position of the oil distribution cooling system, and condenses fuel oil produced by cracking tires. In this embodiment, each of the condensing mechanisms 703 includes one flue condenser 706 and three oil passage condensers 707, and the flue condenser 706 and the oil passage condensers 707 both employ tube condensers.
As shown in fig. 10, a water separator 708 is provided on a connecting pipe between the centralized water supply mechanism 701 and the condensing mechanism 703 to enable uniform distribution of the cooling water supplied from the centralized water supply mechanism 701 to the flue condenser 706 and the oil path condenser 707 of the condensing mechanism 703. In this embodiment, the centralized water supply mechanism 701 includes two 55kw large-flow water pumps, one for each, which can ensure that enough cooling water is supplied to the condensation mechanism 703.
In the system, the cooling tank 705 comprises a tank body of the cooling tank 705 and drainage pipelines circumferentially arranged on the inner wall of the tank body of the cooling tank 705, wherein the drainage pipelines are connected with a water outlet pipeline of the condensation mechanism 703 through a water return main pipe 704. As shown in fig. 11, the whole cooling pond 705 is made of concrete and is a rectangular pond, and the center of the bottom surface of the cooling pond 705 is lower than other positions, so as to be used as a water outlet of the cooling pond 705 and connected to the centralized water supply mechanism 701 through a pipeline. A plurality of drain holes are uniformly formed in one side, facing the center of the cooling pool 705, of the drainage pipeline, and each drain hole is arranged along the radial direction of the drainage pipeline and is inclined upwards by 40-50 degrees in an inclined mode so as to be capable of utilizing the return water pressure to spray hot water into the air for cooling.
More specifically, the drainage pipeline in this embodiment is DN110 metal pipe, and the metal pipe is provided with drainage holes of 10mm every 400mm towards the inside of the cooling pool 705, and the drainage holes are inclined upward by 45 ° along the horizontal direction.
Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A waste tire oil refining device comprises a feeding system, a cracking system, a discharging system and a circulating water cooling system, wherein the discharging system comprises an oil separating cooling system and a slag discharging system; the method is characterized in that: the slag discharging system comprises a slag discharging mechanism, a steel wire separating mechanism, a spiral slag discharging mechanism and a carbon black storage mechanism which are arranged in sequence; wherein, the slag discharging mechanism comprises a slag discharging pipe communicated with a slag outlet in the cracking system and a slag discharging valve arranged on the slag discharging pipe; and the part of the slag discharge pipe above the slag discharge valve is communicated with an inert gas storage tank.
2. The junked tire oil refining plant according to claim 1, characterized in that: the part of the slag discharging pipe below the slag discharging valve is provided with an oil discharging port, and the oil discharging port is detachably connected with a guide plate for discharging residual fuel oil.
3. The junked tire oil refining plant according to claim 1 or 2, characterized in that: the spiral slag discharging mechanism comprises at least one spiral slag discharging device, and a slag discharging end prompting component is arranged on the spiral slag discharging device; a magnetic separator is also arranged between the spiral slag discharging mechanism and the carbon black storage mechanism.
4. The junked tire oil refining plant according to claim 3, characterized in that: the spiral slag extractor comprises a sealed shell and a packing auger which is rotationally connected in the sealed shell; the inner wall of the sealing shell is fixedly provided with a steel wire scraper along the length direction, and the steel wire scraper is arranged above the packing auger and is attached to the edge of the packing auger blade.
5. The junked tire oil refining plant according to claim 4, characterized in that: the magnetic separator comprises a magnetic separation mechanism and a first driving mechanism for driving the magnetic separation mechanism to rotate; magnetic separation mechanism is including the first magnetic separation roller that is arranged in adsorbing the steel wire in the carbon black and the second magnetic separation roller that is used for adsorbing the steel wire on the first magnetic separation roller to the steel wire discharge gate.
6. The junked tire refinery apparatus according to any one of claims 1-2 and 4-5, wherein: the feeding system comprises a reciprocating feeder and a screw feeder which are independently fed.
7. The junked tire oil refining plant according to claim 6, characterized in that: the reciprocating feeder comprises a vehicle body and a first bin arranged on the vehicle body; a material pushing plate is arranged in the first storage bin, and a second driving mechanism for driving the material pushing plate to reciprocate is fixedly arranged on the car body; and a plurality of baffle plates for preventing the waste tires from falling into a return path of the material pushing plate are fixedly arranged on the material pushing plate.
8. The junked tire oil refining plant according to claim 6, characterized in that: the spiral feeder comprises a feeding shell, a spiral conveying mechanism arranged in the feeding shell and a second storage bin arranged above a feeding hole of the feeding shell; a gap for enabling the waste tire to fall towards the axis of the feeding shell is arranged between the inner wall above the feeding shell and the spiral conveying mechanism along the conveying direction of the spiral conveying mechanism; the inner wall below the feeding shell is attached to the outer edge of the spiral conveying mechanism.
9. The junked tire refinery apparatus according to any one of claims 1-2, 4-5, and 7-8, wherein: the circulating water cooling system comprises a centralized water supply mechanism, a cooling pool and a condensing mechanism arranged in the oil distribution cooling system; wherein, the centralized water supply mechanism, the cooling tank and the condensing mechanism are connected by pipelines to form a closed water loop; the cooling tank comprises a cooling tank body and drainage pipelines circumferentially distributed on the inner wall of the cooling tank body.
10. The junked tire oil refining plant according to claim 9, characterized in that: the condensing mechanisms comprise flue condensers and a plurality of oil duct condensers; the centralized water supply mechanism is connected with a flue condenser and an oil duct condenser pipeline in the condensing mechanism through a water separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011285349.6A CN112371701A (en) | 2020-11-17 | 2020-11-17 | Waste tyre oil refining equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011285349.6A CN112371701A (en) | 2020-11-17 | 2020-11-17 | Waste tyre oil refining equipment |
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| CN112371701A true CN112371701A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011285349.6A Pending CN112371701A (en) | 2020-11-17 | 2020-11-17 | Waste tyre oil refining equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214085A (en) * | 2021-12-07 | 2022-03-22 | 湖南睿熙达新材料科技有限公司 | Thermal cracking reaction device for waste tires |
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