CN106281396B - Waste plastic cracking equipment and method - Google Patents

Waste plastic cracking equipment and method Download PDF

Info

Publication number
CN106281396B
CN106281396B CN201610796258.6A CN201610796258A CN106281396B CN 106281396 B CN106281396 B CN 106281396B CN 201610796258 A CN201610796258 A CN 201610796258A CN 106281396 B CN106281396 B CN 106281396B
Authority
CN
China
Prior art keywords
reaction kettle
cracking
heat
diesel fuel
module
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
Application number
CN201610796258.6A
Other languages
Chinese (zh)
Other versions
CN106281396A (en
Inventor
施军营
乔如林
刘明龙
孙忠超
何清玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shengao Lande Environmental Protection Technology Group Co.,Ltd.
Original Assignee
Bioland Environmental Technologies Group Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bioland Environmental Technologies Group Corp Ltd filed Critical Bioland Environmental Technologies Group Corp Ltd
Priority to CN201610796258.6A priority Critical patent/CN106281396B/en
Publication of CN106281396A publication Critical patent/CN106281396A/en
Application granted granted Critical
Publication of CN106281396B publication Critical patent/CN106281396B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G1/00Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00Recovery or working-up of waste materials
    • C08J11/04Recovery or working-up of waste materials of polymers
    • C08J11/10Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10Feedstock materials
    • C10G2300/1003Waste materials
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

The present invention provides a kind of waste plastic cracking equipment and method, and waste plastic cracking equipment includes plastic cracking module, product oil rectifying module and fixed gas comprehensive utilization module;The plastic cracking module includes:Heat scission reaction kettle, catalytic cracking reaction kettle, high-temperature pump, the 1st filter and the 2nd filter;The product oil rectifying module includes:Rectifying column, condenser and several storage tanks;The fixed gas comprehensive utilization module includes:Hot-blast stove and high-temperature heat-exchanging.Waste plastic cracking equipment provided by the invention and method have the following advantages:Apparatus of the present invention have the characteristics that continuous production, environmental protection, anti-coking, light oil yield are high, energy-efficient, can be widely used to promote.

Description

Waste plastic cracking equipment and method
Technical field
The invention belongs to fixed-end forces technical fields, and in particular to a kind of waste plastic cracking equipment and method.
Background technology
Solid waste pollution problem has become the waste plastics in global problem, especially solid waste, in natural environment not Degradable, landfill easily generates secondary pollution again.With the improvement of living standards, the yield of waste plastics is more and more huger, give up For the effective treating capacity of plastics well below discarded amount, the pollution problem for leading to waste plastics is increasingly severe.
The recovery processing of waste plastics is the best processing mode of current waste plastics.A kind of approach of waste plastics recovery is to carry out again It is granulated, plastic products is then made again by various techniques;Another way is to carry out cracking made fuel oil.It is split in waste plastics In terms of solving made fuel oil, existing manufacturing fuels from cracking waste plastics oil device and technique are in the side such as the continuity of production, environmental protection, energy saving Face also Shortcomings, so as to limit the popularization of manufacturing fuels from cracking waste plastics oil device and technique and use.
Invention content
In view of the defects existing in the prior art, the present invention provides a kind of waste plastic cracking equipment and method, can effectively solve The above problem.
The technical solution adopted by the present invention is as follows:
The present invention provides a kind of waste plastic cracking equipment, including plastic cracking module, product oil rectifying module and fixed gas Comprehensively utilize module;
The plastic cracking module includes:Heat scission reaction kettle, catalytic cracking reaction kettle, high-temperature pump, the 1st filter and 2 filters;The product oil rectifying module includes:Rectifying column, condenser and several storage tanks;The fixed gas comprehensively utilizes mould Block includes:Hot-blast stove and high-temperature heat-exchanging;
The heat scission reaction kettle is provided with feed inlet, oil extraction gas port and discharge gate;The oil extraction of the heat scission reaction kettle Gas port is connected to the feed inlet of the rectifying column by the 1st pipeline;The discharge gate of the heat scission reaction kettle is connected by the 2nd pipeline It is connected to the feed inlet of the catalytic cracking reaction kettle;Wherein, high-temperature pump and the 1st filter are installed on the 2nd pipeline;
The catalytic cracking reaction kettle setting feed inlet, oil extraction gas port, feedback outlet and discharge gate;The catalytic cracking reaction The feed inlet of kettle is connected with the discharge gate of the heat scission reaction kettle;The oil extraction gas port of the catalytic cracking reaction kettle passes through the 3rd Pipeline is connected to the feed inlet of the rectifying column;The discharge gate of the catalytic cracking reaction kettle is connected to described by the 4th pipeline The feedback outlet of catalytic cracking reaction kettle;Wherein, the 2nd filter is installed on the 4th pipeline;
Rectifying column setting feed inlet, tower top on-condensible gas row mouth, gasoline fraction row mouth, light diesel fuel fraction Pai Kou and again Fraction of diesel oil arranges mouth;The gasoline fraction row mouth, light diesel fuel fraction row's mouth and the heavy diesel fuel fraction arrange mouth respectively through cold It is linked into corresponding storage tank after condenser condensation;For heavy diesel fuel fraction storage tank, outlet is linked into the heat by high-temperature pump In cracking reaction kettle;The tower top on-condensible gas row mouth is connected to the fixed gas comprehensive utilization module;
The air inlet of the hot-blast stove is connected with tower top on-condensible gas row's mouth;The high-temperature fuel gas of the hot-blast stove passes through The high-temperature heat-exchanging heat exchange, and then heat the material in the heat scission reaction kettle and the catalytic cracking reaction kettle.
Preferably, the heat scission reaction kettle and the catalytic cracking reaction kettle are filled respectively using the stirring of magnetic seal It puts.
Preferably, in the plastic cracking module, the product oil rectifying module and fixed gas comprehensive utilization module, For two units of interconnection, using flanged joint and seal.
Preferably, feed module is further included;The feed inlet of the discharge port of the feed module and the heat scission reaction kettle It is tightly connected.
Preferably, using feed screw and frequency conversion explosion proof motor is configured in the feed module.
Preferably, the feed screw uses deuterostrophies charger, and the diameter of second level spiral is less than the first order Spiral, also, second level spiral discharging mouth has contraction, forms conical discharge port.
The present invention also provides a kind of cracking waste plastics method using above-mentioned waste plastic cracking equipment, including following step Suddenly:
Step 1:Using feed screw to heat scission reaction kettle feed while, to heat scission reaction kettle add in high temperature take off Chlorine agent powder carries out heat scission reaction;Wherein, after plastic molten melt, dechlorination, the plastics of molten state immediately by dechlorination when generate HCl absorbs, and realizes the dechlorination reaction in high-temperature liquid-phase;
Step 2:After heat scission reaction kettle is to plastics thermal cracking, the oil gas that plastic cracking generates is by the 1st pipeline from hot tearing Solution reaction kettle top enters rectifying column, and the solid matter that plastic cracking obtains is as solvent and the plastics of melting are in heat scission reaction Bottom portion is through high temperature pumped, and after the filtering of the 1st filter, solid matter is trapped on strainer screen, solvent and melting Plastics enter catalytic cracking reaction kettle, carry out catalytic pyrolysis again in catalytic cracking reaction kettle;
Step 3:Catalytic cracking reaction kettle carries out catalytic pyrolysis to the plastics of solvent and melting, is produced in catalytic cracking reaction kettle Raw oil gas enters rectifying column from catalytic cracking reaction kettle top, the solid matter and catalyst generated in catalytic cracking reaction kettle After filter retains, the plastics of solvent and melting enter catalytic cracking reaction kettle through feedback outlet again, are achieved in recycling;
Step 4:After the oil gas that heat scission reaction kettle and catalytic cracking reaction kettle generate enters rectifying column, according to fixed gas, Gasoline, light diesel fuel, heavy diesel fuel boiling range carry out side take-off after, the fixed gas of overhead extraction enters fixed gas comprehensive utilization mould Block;Gasoline, light diesel fuel and heavy diesel fuel respectively enter gasoline tank, light diesel fuel storage tank and heavy diesel fuel storage tank;Then, heavy diesel fuel storage tank In heavy diesel fuel heat scission reaction kettle is squeezed into using high-temperature pump, on the one hand as waste plastics solvent, on the other hand cracked again, Realize that product heavy diesel fuel recycles simultaneously second pyrolysis;
Step 5:Fixed gas into fixed gas comprehensive utilization module is then burnt by hot-blast stove, is given by heat exchanger Material heating in the material and rectifying column in material, catalytic cracking reaction kettle in heat scission reaction kettle, realizes gas integrated It utilizes.
Preferably, in step 1, feed screw uses deuterostrophies charger, and the diameter of second level spiral is less than first Grade spiral, also, second level spiral discharging mouth has contraction, forms conical discharge port, therefore, material has crowded in the spiral of the second level Pressure acts on, and prevents the gas overflowing in heat scission reaction kettle.
Waste plastic cracking equipment provided by the invention and method have the following advantages:
Apparatus of the present invention have the characteristics that continuous production, environmental protection, anti-coking, light oil yield are high, energy-efficient, can push away extensively It is wide to use.
Description of the drawings
Fig. 1 is the structure diagram of waste plastic cracking equipment provided by the invention.
Specific embodiment
In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction with Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to It explains the present invention, is not intended to limit the present invention.
The present invention provides a kind of waste plastic cracking equipment, including plastic cracking module, product oil rectifying module and fixed gas Comprehensively utilize module;
Plastic cracking module includes:Heat scission reaction kettle, catalytic cracking reaction kettle, high-temperature pump, the 1st filter and the 2nd mistake Filter;Product oil rectifying module includes:Rectifying column, condenser and several storage tanks;Fixed gas comprehensive utilization module includes:Hot wind Stove and high-temperature heat-exchanging;
Heat scission reaction kettle is provided with feed inlet, oil extraction gas port and discharge gate;The oil extraction gas port of heat scission reaction kettle passes through 1st pipeline is connected to the feed inlet of rectifying column;The discharge gate of heat scission reaction kettle is connected to catalytic cracking reaction by the 2nd pipeline The feed inlet of kettle;Wherein, high-temperature pump and the 1st filter are installed on the 2nd pipeline;
Catalytic cracking reaction kettle setting feed inlet, oil extraction gas port, feedback outlet and discharge gate;The charging of catalytic cracking reaction kettle Mouth is connected with the discharge gate of heat scission reaction kettle;The oil extraction gas port of catalytic cracking reaction kettle is connected to rectifying column by the 3rd pipeline Feed inlet;The discharge gate of catalytic cracking reaction kettle is connected to the feedback outlet of catalytic cracking reaction kettle by the 4th pipeline;Wherein, The 2nd filter is installed on the 4th pipeline;
Rectifying column setting feed inlet, tower top on-condensible gas row mouth, gasoline fraction row mouth, light diesel fuel fraction row's mouth and heavy diesel fuel Fraction arranges mouth;Gasoline fraction row mouth, light diesel fuel fraction row's mouth and heavy diesel fuel fraction row mouth are linked into after condensed device condenses respectively In corresponding storage tank;For heavy diesel fuel fraction storage tank, outlet is linked by high-temperature pump in heat scission reaction kettle;Tower top does not coagulate Gas row's mouth is connected to fixed gas comprehensive utilization module;
The air inlet of hot-blast stove is connected with tower top on-condensible gas row's mouth;The high-temperature fuel gas of hot-blast stove is changed by high-temperature heat-exchanging Heat, and then heat the material in heat scission reaction kettle and catalytic cracking reaction kettle.
The main working process of above-mentioned cracking waste plastics device is:
Heat scission reaction occurs for heat scission reaction kettle, i.e.,:Only make plastics that cracking reaction occur under heat effect.Catalysis is split Catalytic pyrolysis occurs for solution reaction kettle, i.e.,:Catalyst is added in reaction vessel, makes plastics that cracking occur under catalyst action anti- It should.In product rectification module, the oil gas generated by heat scission reaction kettle and catalytic cracking reaction kettle is passed directly into rectifying dress It puts, discharges and be followed successively by from low temperature to high temperature:Fixed gas, gasoline, light diesel fuel and heavy diesel fuel.Wherein, heavy diesel fuel ingredient finally returns that It is continued cycling through into heat scission reaction kettle as solvent.Module is comprehensively utilized from the fixed gas that rectifier unit comes out by fixed gas In hot air furnace device burning generate heat, to heat scission reaction kettle, catalytic cracking reaction kettle and rectifying column heat supply, realization is not coagulated The comprehensive utilization of gas.
The present invention also provides a kind of cracking waste plastics methods, include the following steps:
Step 1:Using feed screw to heat scission reaction kettle feed while, to heat scission reaction kettle add in high temperature take off Chlorine agent powder carries out heat scission reaction;Wherein, after plastic molten melt, dechlorination, the plastics of molten state immediately by dechlorination when generate HCl absorbs, and realizes the dechlorination reaction in high-temperature liquid-phase;
In this step, feed screw uses deuterostrophies charger, and the diameter of second level spiral is less than first order spiral, Also, second level spiral discharging mouth has contraction, forms conical discharge port, and therefore, material has squeezing action in the spiral of the second level, Prevent the gas overflowing in heat scission reaction kettle.
Step 2:After heat scission reaction kettle is to plastics thermal cracking, the oil gas that plastic cracking generates is by the 1st pipeline from hot tearing Solution reaction kettle top enters rectifying column, and the solid matter that plastic cracking obtains is as solvent and the plastics of melting are in heat scission reaction Bottom portion is through high temperature pumped, and after the filtering of the 1st filter, solid matter is trapped on strainer screen, solvent and melting Plastics enter catalytic cracking reaction kettle, carry out catalytic pyrolysis again in catalytic cracking reaction kettle;Wherein, solid matter includes modeling The substances such as the impurity that product, material after residue, remaining antichlor and dechlorination reaction that material cracking generates are brought into.
Step 3:Catalytic cracking reaction kettle carries out catalytic pyrolysis to the plastics of solvent and melting, is produced in catalytic cracking reaction kettle Raw oil gas enters rectifying column from catalytic cracking reaction kettle top, the solid matter and catalyst generated in catalytic cracking reaction kettle After filter retains, the plastics of solvent and melting enter catalytic cracking reaction kettle through feedback outlet again, are achieved in recycling, Realize continuous feed, continuous discharge.
Step 4:After the oil gas that heat scission reaction kettle and catalytic cracking reaction kettle generate enters rectifying column, according to fixed gas, Gasoline, light diesel fuel, heavy diesel fuel boiling range carry out side take-off after, the fixed gas of overhead extraction enters fixed gas comprehensive utilization mould Block;Gasoline, light diesel fuel and heavy diesel fuel respectively enter gasoline tank, light diesel fuel storage tank and heavy diesel fuel storage tank;Then, heavy diesel fuel storage tank In heavy diesel fuel heat scission reaction kettle is squeezed into using high-temperature pump, on the one hand as waste plastics solvent, on the other hand cracked again, Realize that product heavy diesel fuel recycles simultaneously second pyrolysis;
Step 5:Fixed gas into fixed gas comprehensive utilization module is then burnt by hot-blast stove, is given by heat exchanger Material heating in the material and rectifying column in material, catalytic cracking reaction kettle in heat scission reaction kettle, realizes gas integrated It utilizes.
By waste plastic cracking equipment provided by the invention and method, has the following advantages:
(1) material zero is revealed
In feed module using deuterostrophies charger and with frequency conversion explosion proof motor, and it is less than the diameter of second level spiral First order spiral, and second level spiral discharging mouth has contraction, makes conical discharge port, to reach material in the spiral of the second level There is squeezing action, prevent the gas overflowing in pyrolysis kettle;The agitating device of magnetic seal is used in plastic cracking module, is realized Material zero is revealed;Each device all using flanged joint and seals.
(2) while charging, high-temperature dechlorinating agent powder is added in, after plastic molten melt, dechlorination, immediately by the HCl of generation It absorbs, realizes the dechlorination reaction in high-temperature liquid-phase, avoid the HCl haptoreaction kettle walls and pipeline of generation.
(3) continuous feed and continuous discharge are realized;
(4) it realizes product heavy diesel fuel second pyrolysis, improves lysis efficiency and gasoline, light diesel fuel yield;
(5) comprehensive utilization of fixed gas that cracking generates is realized.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should Depending on protection scope of the present invention.

Claims (6)

  1. A kind of 1. cracking waste plastics method based on waste plastic cracking equipment, which is characterized in that waste plastic cracking equipment includes modeling Material cracking module, product oil rectifying module and fixed gas comprehensive utilization module;
    The plastic cracking module includes:Heat scission reaction kettle, catalytic cracking reaction kettle, high-temperature pump, the 1st filter and the 2nd mistake Filter;The product oil rectifying module includes:Rectifying column, condenser and several storage tanks;The fixed gas comprehensively utilizes module Including:Hot-blast stove and high-temperature heat-exchanging;
    The heat scission reaction kettle is provided with feed inlet, oil extraction gas port and discharge gate;The oil extraction gas port of the heat scission reaction kettle The feed inlet of the rectifying column is connected to by the 1st pipeline;The discharge gate of the heat scission reaction kettle is connected to by the 2nd pipeline The feed inlet of the catalytic cracking reaction kettle;Wherein, high-temperature pump and the 1st filter are installed on the 2nd pipeline;
    The catalytic cracking reaction kettle setting feed inlet, oil extraction gas port, feedback outlet and discharge gate;The catalytic cracking reaction kettle Feed inlet is connected with the discharge gate of the heat scission reaction kettle;The oil extraction gas port of the catalytic cracking reaction kettle passes through the 3rd pipeline It is connected to the feed inlet of the rectifying column;The discharge gate of the catalytic cracking reaction kettle is connected to the catalysis by the 4th pipeline The feedback outlet of cracking reaction kettle;Wherein, the 2nd filter is installed on the 4th pipeline;
    The rectifying column setting feed inlet, tower top on-condensible gas row mouth, gasoline fraction row mouth, light diesel fuel fraction row's mouth and heavy diesel fuel Fraction arranges mouth;The gasoline fraction row mouth, light diesel fuel fraction row's mouth and heavy diesel fuel fraction row's mouth distinguish condensed device It is linked into after condensation in corresponding storage tank;For heavy diesel fuel fraction storage tank, outlet is linked into the thermal cracking by high-temperature pump In reaction kettle;The tower top on-condensible gas row mouth is connected to the fixed gas comprehensive utilization module;
    The air inlet of the hot-blast stove is connected with tower top on-condensible gas row's mouth;The high-temperature fuel gas of the hot-blast stove passes through described High-temperature heat-exchanging exchanges heat, and then heats the material in the heat scission reaction kettle and the catalytic cracking reaction kettle;
    The main working process of above-mentioned cracking waste plastics device is:
    Heat scission reaction occurs for heat scission reaction kettle, i.e.,:Only make plastics that cracking reaction occur under heat effect.Catalytic pyrolysis is anti- Answer kettle that catalytic pyrolysis occurs, i.e.,:Catalyst is added in reaction vessel, makes plastics that cracking reaction occur under catalyst action; In product rectification module, the oil gas generated by heat scission reaction kettle and catalytic cracking reaction kettle is passed directly into rectifier unit, Discharging is followed successively by from low temperature to high temperature:Fixed gas, gasoline, light diesel fuel and heavy diesel fuel;Wherein, heavy diesel fuel ingredient is finally returned to heat It is continued cycling through in cracking reaction kettle as solvent.It is in the block by fixed gas comprehensive utilization mould from the fixed gas that rectifier unit comes out Hot air furnace device burning generates heat, to heat scission reaction kettle, catalytic cracking reaction kettle and rectifying column heat supply, realizes fixed gas Comprehensive utilization;
    Cracking waste plastics method, includes the following steps:
    Step 1:Using feed screw to heat scission reaction kettle feed while, to heat scission reaction kettle add in high-temperature dechlorinating agent Powder carries out heat scission reaction;Wherein, after plastic molten melt, dechlorination, antichlor powder immediately by dechlorination when the HCl that generates inhale It receives, realizes the dechlorination reaction in high-temperature liquid-phase;
    Step 2:After heat scission reaction kettle is to plastics thermal cracking, the oil gas that plastic cracking generates is by the 1st pipeline from Pyrolysis Kettle top is answered to enter rectifying column, the solid matter that plastic cracking obtains is as solvent and the plastics of melting are in heat scission reaction bottom Portion is through high temperature pumped, and after the filtering of the 1st filter, solid matter is trapped on strainer screen, the modeling of solvent and melting Material enters catalytic cracking reaction kettle, carries out catalytic pyrolysis again in catalytic cracking reaction kettle;
    Step 3:Catalytic cracking reaction kettle carries out catalytic pyrolysis to the plastics of solvent and melting, is generated in catalytic cracking reaction kettle Oil gas enters rectifying column from catalytic cracking reaction kettle top, and the solid matter generated in catalytic cracking reaction kettle and catalyst pass through After filter retention, the plastics of solvent and melting enter catalytic cracking reaction kettle through feedback outlet again, are achieved in recycling;
    Step 4:After the oil gas that heat scission reaction kettle and catalytic cracking reaction kettle generate enters rectifying column, according to fixed gas, gasoline, Light diesel fuel, heavy diesel fuel boiling range carry out side take-off after, the fixed gas of overhead extraction enters fixed gas comprehensive utilization module;Vapour Oil, light diesel fuel and heavy diesel fuel respectively enter gasoline tank, light diesel fuel storage tank and heavy diesel fuel storage tank;Then, in heavy diesel fuel storage tank Heavy diesel fuel squeezes into heat scission reaction kettle using high-temperature pump, on the one hand as waste plastics solvent, is on the other hand cracked, realized again Product heavy diesel fuel recycles and second pyrolysis;
    Step 5:Fixed gas into fixed gas comprehensive utilization module is then burnt by hot-blast stove, by heat exchanger to hot tearing Material heating in the material and rectifying column in material, catalytic cracking reaction kettle in solution reaction kettle, realizes that gas integrated utilizes;
    In step 1, feed screw uses deuterostrophies charger, and the diameter of second level spiral is less than first order spiral, also, Second level spiral discharging mouth has contraction, forms conical discharge port, therefore, material has squeezing action in the spiral of the second level, prevents Gas overflowing in heat scission reaction kettle.
  2. 2. the cracking waste plastics method according to claim 1 based on waste plastic cracking equipment, which is characterized in that the heat Cracking reaction kettle and the catalytic cracking reaction kettle use the agitating device of magnetic seal respectively.
  3. 3. the cracking waste plastics method according to claim 1 based on waste plastic cracking equipment, which is characterized in that the modeling In material cracking module, the product oil rectifying module and fixed gas comprehensive utilization module, for two lists of interconnection Member using flanged joint and seals.
  4. 4. the cracking waste plastics method according to claim 1 based on waste plastic cracking equipment, which is characterized in that further include Feed module;The discharge port of the feed module and the feed inlet of the heat scission reaction kettle are tightly connected.
  5. 5. the cracking waste plastics method according to claim 4 based on waste plastic cracking equipment, which is characterized in that it is described into Material module is using feed screw and frequency conversion explosion proof motor is configured.
  6. 6. the cracking waste plastics method according to claim 5 based on waste plastic cracking equipment, which is characterized in that the spiral shell Charger is revolved using deuterostrophies charger, and the diameter of second level spiral is less than first order spiral, also, second level spiral goes out Material mouth has contraction, forms conical discharge port.
CN201610796258.6A 2016-08-31 2016-08-31 Waste plastic cracking equipment and method Active CN106281396B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610796258.6A CN106281396B (en) 2016-08-31 2016-08-31 Waste plastic cracking equipment and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610796258.6A CN106281396B (en) 2016-08-31 2016-08-31 Waste plastic cracking equipment and method

Publications (2)

Publication Number Publication Date
CN106281396A CN106281396A (en) 2017-01-04
CN106281396B true CN106281396B (en) 2018-07-06

Family

ID=57709495

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610796258.6A Active CN106281396B (en) 2016-08-31 2016-08-31 Waste plastic cracking equipment and method

Country Status (1)

Country Link
CN (1) CN106281396B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107434979A (en) * 2017-08-09 2017-12-05 蓝德环保科技集团股份有限公司 A kind of waste plastic oil-refining method
CN107828440A (en) * 2017-12-11 2018-03-23 广西锟德能源科技有限公司 A kind of continuous carburetor of waste plastics
CN109481982A (en) * 2018-10-18 2019-03-19 海宁市英德赛电子有限公司 A kind of the rectifying Preparation equipment and technique of 6N4 high-purity ammon
CN110283617A (en) * 2019-07-19 2019-09-27 广东省环境科学研究院 A kind of high efficiency Waste plastic treatment apparatus and application method
CN112063409B (en) * 2020-09-08 2022-04-26 重庆科技学院 Process and device for preparing oil by pyrolyzing chlorine-containing plastics based on multiphase gas-solid fluidization reaction
CN112646597A (en) * 2020-12-14 2021-04-13 蓝德环保科技集团股份有限公司 Automatic continuous operation reaction device and method for preparing fuel oil by cracking waste plastics
CN114015467A (en) * 2021-12-16 2022-02-08 广西海鸥能源装备有限公司 Waste organic matter energy conversion device
CN114540067B (en) * 2022-01-12 2023-12-26 青岛科技大学 System for improving yield of organic compound pyrolysis liquid-phase product and working method thereof
CN115305103A (en) * 2022-06-30 2022-11-08 胡进 Reaction device for enhancing apparent heat transfer coefficient in organic solid waste thermal cracking process
CN115725317A (en) * 2022-10-12 2023-03-03 威尔能环保科技(苏州)有限公司 Method for mixing waste plastic pyrolysis and oiling

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102786980A (en) * 2012-08-01 2012-11-21 山东汇科通用机械有限公司 Waste plastic oil refining production method and production line thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102786980A (en) * 2012-08-01 2012-11-21 山东汇科通用机械有限公司 Waste plastic oil refining production method and production line thereof

Also Published As

Publication number Publication date
CN106281396A (en) 2017-01-04

Similar Documents

Publication Publication Date Title
CN106281396B (en) Waste plastic cracking equipment and method
CN109628120B (en) Continuous thermal cracking system and method for whole waste tires
CN104479718A (en) Method for refining oil by adopting waste plastics
CN1923957A (en) Device and technology method of preparing diesel oil by thermo-cracking waste plastics
CN107057744B (en) It slags tap after a kind of continuity auger the equipment and technique of formula environmental protection oil refining
CN101307241B (en) Process and equipment for cracking and recovering waste organic petrochemicals
CN204385130U (en) A kind of continuous-cracking equipment for waste plastics
CN100441664C (en) Method of preparing boiler fuel from metal bath cracking waste tyre rubber and plastics
CN204111645U (en) A kind of waste and old organic glass rotates spiral shell formula and advances continuous cracking equipment
CN206033679U (en) Plastic waste cracking equipment
CN206295742U (en) A kind of dust-laden is pyrolyzed the full oil wash system of oil gas
CN104560151A (en) Method for refining gasoline and diesel from waste lubricating oil
CN101831081A (en) Method and device for recovering nylon powder from tire cord by solvent method
CN201634634U (en) Device for producing oil products and carbon black from scrap tires by one-step catalytic pyrolysis
CN201520639U (en) Continuous sulfur paste processing device
CN204022766U (en) A kind of hard coal segmentation pyrolysis sub-prime use device without discharge
CN107937012B (en) Critical hydrolysis treatment device and method for waste tires
CN202849341U (en) Waste oil, tyre oil and plastic oil distilling device
CN102140183A (en) Process and technological equipment for continuously cracking and recycling waste organic glass
CN210001821U (en) device for separating carbon residue from oil gas by tyre cracking
CN206089578U (en) Comprehensive utilization equipment of rubber waste
CN209836081U (en) Whole child continuous type thermal cracking system of junked tire
CN204151277U (en) Waste and old organic glass cracker
CN204125424U (en) Serialization cracker
CN208346097U (en) A kind of kitchen garbage catalytic pyrolysis distillation system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Room 809 and 810, 8 / F, Chuangye building (Building 2, Xinghua Industrial Park), No.58, Second Street, Zhengzhou area (Jingkai), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province, 450000

Patentee after: Shengao Lande Environmental Protection Technology Group Co.,Ltd.

Address before: 450000 Zhengzhou economic and Technological Development Zone, Henan, 8, 809 and 810, No. 2, No. 2, Xinghua science and Technology Industrial Park.

Patentee before: Land Environmental Protection Technology Group Co.,Ltd.