CN203683477U - Waste plastic pyrolysis and oil reaction device - Google Patents
Waste plastic pyrolysis and oil reaction device Download PDFInfo
- Publication number
- CN203683477U CN203683477U CN201420076012.8U CN201420076012U CN203683477U CN 203683477 U CN203683477 U CN 203683477U CN 201420076012 U CN201420076012 U CN 201420076012U CN 203683477 U CN203683477 U CN 203683477U
- Authority
- CN
- China
- Prior art keywords
- reactor
- extruding machine
- agitator
- reaction kettle
- condenser
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model discloses a waste plastic pyrolysis and oil reaction device, comprising a feeding device, an extruding machine, a reaction kettle, a fractionating tower, a condenser, a gas-liquid separation tank and a gas recovery tank, wherein the feeding device is connected with the extruding machine; the extruding machine is connected with the reaction kettle; the reaction kettle structurally comprises a reaction kettle housing, an agitator and a scraper blade; the agitator is driven through the motor; the scraper blade is fixed on the agitator; two channels are arranged at the top of the reaction kettle; one channel is communicated with the extruding machine; the other channel is communicated with the fractionating tower; a slag discharge device is arranged at the bottom of the reaction kettle and comprises a baffle plate and a return spring; one end of the baffle plate is movably connected with the bottom of the reaction kettle; the other end is connected with the reaction kettle through the return spring; the lower end of the slag discharge device is connected with a slag storage device; the fractionating tower is connected with the condenser; the condenser is connected with the gas-liquid separation tank; the gas-liquid separation tank is connected with the gas recovery tank. The waste plastic pyrolysis and oil reaction device is reasonable in structure, and can continuously produce, and the split oil is good in quality, safe and environmentally friendly, and free of secondary pollution.
Description
Technical field
The utility model relates to a kind of cracking waste plastics reaction unit, belongs to plastics oil Refining Technologies field.
Background technology
Along with developing rapidly of modern synthetic resin industry, the application of plastics is more and more extensive, the a large amount of waste or used plastics of the consequent have also brought serious problem of environmental pollution, and recovery, recycling to waste or used plastics have become the focus of domestic and international research, and formed gradually an emerging industry.
Chemical recycling is one of method solving waste or used plastics pollution, by chemical process, plastic waste is changed into chemical or oil product reclaims, the wherein cracked oiling technology of plastics the most strikingly, cracking waste plastics reactor mainly contains both at home and abroad at present: thermostatic type stirred reactor, fluidized bed reactor, tubular reactor and slot type rotation cracking reactor, and these reactors mainly contain following deficiency:
Thermostatic type stirred reactor, according to the continuity of operation, can be divided into intermittent type and continous way, and batch reactor work can not be continuous, and energy consumption is higher, and production efficiency is low, and frequent start-stop stove exists potential safety hazard, and batch reactor is eliminated substantially; Although flow reactor has solved the problem such as continuously feeding, reaction heat transfer, can produce a large amount of heavy oil and paraffin in plastic cracking process, the utilization ratio of these products is low.
The reaction process of fluidized-bed reactor easily occurs that lime-ash sticks caked phenomenon, causes occurring " defluidization " fault, and in cracking oil gas, dust content is higher, and equipment control complexity is invested larger.
The shortcoming of tubular reactor is that being heated of plastic waste is inhomogeneous, causes the product proportion generating after cracking uncontrollable.
Slot type rotation cracking reactor conducts heat slow, and scission reaction is incomplete, and knot carbon is serious, and last product is reluctant thickness carbonizing matter, and secondary pollution is serious.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming existing in prior art, provides a kind of rational in infrastructure, can produce continuously, and the oil quality that cracking obtains is better, the cracking waste plastics oiling reaction unit of safety and environmental protection, non-secondary pollution.
For achieving the above object, the utility model adopts following scheme:
A kind of cracking waste plastics oiling reaction unit, comprises feeding unit, extruding machine, reactor, separation column, condenser, knockout drum and gas withdrawing can; Described feeding unit comprises opening for feed, lift and discharge port, and discharge port is connected with extruding machine; Described extruding machine is connected with reactor by pipeline, and communicates with reactor inside; Described reactor structure comprises reactor shell, agitator and scraper plate, agitator drives by motor, scraper plate is fixed on agitator, following agitator rotates together, reactor top is provided with two passages, one communicates with extruding machine, another communicates with separation column, reactor bottom is provided with slag discharging device, described slag discharging device is made up of baffle plate and return spring, baffle plate one end is flexibly connected with reactor bottom, and the other end is connected with reactor by return spring, and the lower end of slag discharging device is connected with storage slag device; At the bottom of described separation column tower, communicate with reactor, fractionator overhead is connected with condenser; Described condenser is connected with knockout drum; Described knockout drum is connected with gas recovery tank.
Described reactor bottom is provided with inclination angle with horizontal plane, and inclination angle is 15-30 degree, is preferably 30 degree.
Described scraper plate, take the axle of agitator as center line, is divided into left and right two portions, and left-hand component bottom and reactor bottom be at same plane, is provided with spacing bottom right-hand component bottom and reactor, and spacing is 0.2-0.4 millimeter, is preferably 0.3 millimeter.
Principle of work: plastic waste is first ground into the small pieces of 5-10cm, put into opening for feed, by lift, plastic waste fragment is delivered to extruding machine through discharge port, heating system by extruding machine is extremely liquid by plastic waste heating and melting, enter and in reactor, continue to be heated to decomposition temperature, plastics start cracking, reaction produces a large amount of oil gas and enters separation column, by controlling tower top temperature, heavy oil product and paraffin composition return to continuation cracking in reactor, lightweight, middle matter oil product flows out from tower top, after condenser condenses, enter knockout drum and carry out gas-liquid separation, the oil product that condensation is got off is stored in knockout drum, noncondensable gas enters gas recovery tank recycling.
Cracking waste plastics can produce carbon dust and residue, if not in time residue is cleaned out, not only affect the speed of cracking, and cannot realize continuous production, the utility model is by arranging certain inclination angle in reactor bottom, residue is assembled at the slag discharging device place of the comprehensive action downhill reaction still of gravity and scraper plate, in the time that the amount of residue reaches certainweight, to lower compression baffle plate, slag discharging device is opened, and residue falls into storage slag device, and baffle plate is under the effect of return spring, restore to the original state, slag discharging device is closed.
The beneficial effects of the utility model are: (1) oil quality is good, and heavy oil and paraffin that cracking process produces are left in reactor and are repeated deep pyrolytic by reflux type, have improved the productive rate of light-end products; (2) safety and environmental protection, without the generation of waste water, waste gas, can not cause secondary pollution; (3) in reactor bottom, certain inclination angle is set, residue edge along reactor under the comprehensive action of gravity and scraper plate is discharged in time, realize continuously and producing; (4) right-hand component of the scraper plate plastic waste of melting that can be used for making thinner, accelerates the speed of cracking, and the left-hand component of scraper plate can be used to clear up the residue that cracking process produces.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model slag discharging device structural representation.
Description of reference numerals:
1-opening for feed; 2-lift; 3-discharge port; 4-extruding machine; 5-reactor; 6-agitator; 7-scraper plate; 8-slag discharging device; 9-storage slag device; 10-separation column; 11-condenser; 12-knockout drum; 13-gas recovery tank; 14-baffle plate; 15-return spring.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, the utility model discloses a kind of cracking waste plastics oiling reaction unit, comprise feeding unit, extruding machine 4, reactor 5, separation column 10, condenser 11, knockout drum 12 and gas withdrawing can 13; Described feeding unit comprises opening for feed 1, lift 2 and discharge port 3, and discharge port 3 is connected with extruding machine 4; Described extruding machine 4 is connected with reactor 5 by pipeline, and communicates with reactor inside; Described reactor 5 structures comprise reactor shell, agitator 6 and scraper plate 7, agitator 6 drives by motor, scraper plate 7 is fixed on agitator 6, following agitator 6 rotates together, reactor 5 tops are provided with two passages, one communicates with extruding machine 4, another communicates with separation column 10, reactor 5 bottoms are provided with slag discharging device 8, described slag discharging device 8 is made up of baffle plate 14 and return spring 15, baffle plate 14 one end are flexibly connected with reactor bottom, and the other end is connected with reactor by return spring 15, and the lower end of slag discharging device 8 is connected with storage slag device 9; At the bottom of described separation column 10 towers, communicate with reactor 5, separation column 10 tower tops are connected with condenser 11; Described condenser 11 is connected with knockout drum 12; Described knockout drum 12 is connected with gas recovery tank 13; Reactor 5 bottoms are provided with inclination angle, and inclination angle is 30 degree; Described scraper plate, take the axle of agitator as center line, is divided into left and right two portions, and left-hand component bottom and reactor bottom be at same plane, is provided with spacing bottom right-hand component bottom and reactor, and spacing is 0.3 millimeter.
When use, first plastic waste is carried out to pre-treatment, filter out the metal block or the stone that in plastic waste, mix, then plastic waste is first ground into the small pieces of 5-10cm, put into opening for feed 1, by lift 2, plastic waste fragment is delivered to extruding machine 4 through discharge port 3, heating system by extruding machine 4 is extremely liquid by plastic waste heating and melting, enter that reactor 5 is interior continues to be heated to decomposition temperature, plastics start cracking, reaction produces a large amount of oil gas and enters separation column 10, by controlling tower top temperature, heavy oil product and paraffin composition return to the interior continuation cracking of reactor 5, lightweight, middle matter oil product flows out from tower top, after condenser 11 condensations, enter knockout drum 12 and carry out gas-liquid separation, the oil product that condensation is got off is stored in knockout drum 12, noncondensable gas enters gas recovery tank 13 and recycles.
Cracking waste plastics can produce carbon dust and residue, if not in time residue is cleaned out, not only affect the speed of cracking, and cannot realize continuous production, the utility model is by arranging certain inclination angle in reactor 5 bottoms, residue is assembled at slag discharging device 8 places of the comprehensive action downhill reaction still 5 of gravity and scraper plate, in the time that the amount of residue reaches certainweight, to lower compression baffle plate 14, slag discharging device 8 is opened, and residue falls into storage slag device 9, and baffle plate 14 is under the effect of return spring 15, restore to the original state, slag discharging device 8 is closed.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (5)
1. a cracking waste plastics oiling reaction unit, is characterized in that, comprises feeding unit, extruding machine, reactor, separation column, condenser, knockout drum and gas withdrawing can; Described feeding unit comprises opening for feed, lift and discharge port, and discharge port is connected with extruding machine; Described extruding machine is connected with reactor by pipeline, and communicates with reactor inside; Described reactor structure comprises reactor shell, agitator and scraper plate, agitator drives by motor, scraper plate is fixed on agitator, and reactor top is provided with two passages, and one communicates with extruding machine, another communicates with separation column, reactor bottom is provided with slag discharging device, and described slag discharging device is made up of baffle plate and return spring, and baffle plate one end is flexibly connected with reactor bottom, the other end is connected with reactor by return spring, and the lower end of slag discharging device is connected with storage slag device; At the bottom of described separation column tower, communicate with reactor, fractionator overhead is connected with condenser; Described condenser is connected with knockout drum; Described knockout drum is connected with gas recovery tank.
2. a kind of cracking waste plastics oiling reaction unit as claimed in claim 1, is characterized in that, described reactor bottom is provided with inclination angle with horizontal plane, and inclination angle is 15-30 degree.
3. a kind of cracking waste plastics oiling reaction unit as claimed in claim 2, is characterized in that, the inclination angle that described reactor bottom arranges is 30 degree.
4. a kind of cracking waste plastics oiling reaction unit as claimed in claim 1, it is characterized in that, described scraper plate is take the axle of agitator as center line, be divided into left and right two portions, left-hand component bottom and reactor bottom are at same plane, right-hand component bottom and reactor bottom are provided with spacing, and spacing is 0.2-0.4 millimeter.
5. a kind of cracking waste plastics oiling reaction unit as claimed in claim 4, is characterized in that, the spacing of described scraper plate right-hand component bottom and reactor bottom is 0.3 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076012.8U CN203683477U (en) | 2014-02-21 | 2014-02-21 | Waste plastic pyrolysis and oil reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076012.8U CN203683477U (en) | 2014-02-21 | 2014-02-21 | Waste plastic pyrolysis and oil reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203683477U true CN203683477U (en) | 2014-07-02 |
Family
ID=51005405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420076012.8U Expired - Fee Related CN203683477U (en) | 2014-02-21 | 2014-02-21 | Waste plastic pyrolysis and oil reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203683477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115261053A (en) * | 2022-06-29 | 2022-11-01 | 光大环境科技（中国）有限公司 | Continuous sample injection waste plastic catalytic cracking oil production device and method |
-
2014
- 2014-02-21 CN CN201420076012.8U patent/CN203683477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115261053A (en) * | 2022-06-29 | 2022-11-01 | 光大环境科技（中国）有限公司 | Continuous sample injection waste plastic catalytic cracking oil production device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103666511A (en) | Tire treatment system | |
| CN203923096U (en) | Organic materials carbonization decomposition vapourizing furnace | |
| CN106635115A (en) | Method for efficiently and cleanly preparing oil through mixed waste plastic garbage and hydrothermal reaction system | |
| CN102786980A (en) | Waste plastic oil refining production method and production line thereof | |
| CN101298522B (en) | Environment-friendly type technology for waste plastic cracking black carbon | |
| CN203487095U (en) | Tyre treatment system | |
| CN105176553B (en) | A kind of waste plastics decomposition heater | |
| CN106118707B (en) | Waste plastics innocent treatment equipment and method | |
| CN105505423B (en) | Down-flow fluidized bed using ECT quick catalysis pyrolysis reactor | |
| CN202450059U (en) | High-temperature gas purifying and recovering unit | |
| CN203683477U (en) | Waste plastic pyrolysis and oil reaction device | |
| CN103666513A (en) | High-dust-content coal tar separation and upgrading purification process and system | |
| CN103881738A (en) | Organic material treatment system | |
| CN204550477U (en) | A kind of device using waste plastic catalysis oiling to produce oil fuel | |
| CN103173238B (en) | Thermal pyrolysis method for Fischer-Tropsch synthesis reaction wax residue | |
| CN218710227U (en) | Oil quality improving equipment for waste mineral oil treatment | |
| CN106512911A (en) | Tray-type reactor and method for preparing high-concentration coal water slurry with low rank coal | |
| CN105713647B (en) | A kind of utilization coal tar maximization prepares the method and device of carbolic oil and diesel oil | |
| WO2005028593A1 (en) | A inductrialized process and a device for production of gasoline, diesel oil from waste plastics | |
| CN201520639U (en) | Continuous sulfur paste processing device | |
| CN103980946A (en) | No-emission anthracite segmented pyrolysis and upgrading utilization method and no-emission anthracite segmented pyrolysis and upgrading utilization device | |
| CN204022766U (en) | A kind of hard coal segmentation pyrolysis sub-prime use device without discharge | |
| CN206408168U (en) | A kind of hydro-thermal reaction system | |
| CN207671989U (en) | The utilization system of agricultural stalk and forestry waste | |
| CN204999853U (en) | Waste plastics decomposes heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20150221 |
|
| EXPY | Termination of patent right or utility model |