CN108822877A - The method of domestic waste cracking preparation combustion gas - Google Patents
The method of domestic waste cracking preparation combustion gas Download PDFInfo
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- CN108822877A CN108822877A CN201810532380.1A CN201810532380A CN108822877A CN 108822877 A CN108822877 A CN 108822877A CN 201810532380 A CN201810532380 A CN 201810532380A CN 108822877 A CN108822877 A CN 108822877A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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Abstract
A kind of method that the present invention discloses domestic waste cracking preparation combustion gas, belongs to garbage reclamation reutilization technology field.It includes that the heavy inorganic matters such as the stone, brick, silt for containing domestic waste are sorted out and removed, are crushed to granularity and are 1cm~5cm, are dried to moisture content lower than 15%, it is then placed in pyrolysis furnace, it is added diatomite, cobblestone, titanium dioxide, nickel dioxide, solid super-strong acid as catalyst for cracking made of raw material, it is uniformly mixed, then the temperature in pyrolysis furnace is heated to 100 DEG C~200 DEG C to crack, collects gas-liquid mixture；Gas-liquid mixture is subjected to gas-liquid separation, obtains combustion gas.Present invention catalyst for cracking high catalytic efficiency made of diatomite, cobblestone, titanium dioxide, nickel dioxide, solid super-strong acid, being used for catalytic pyrolysis domestic waste has the advantages that cracking temperature is low, time-consuming few.
Description
Technical field
The invention belongs to garbage reclamation reutilization technology field more particularly to a kind of recycling and reusings of domestic waste
Method.
Background technique
Domestic waste refer in the daily life of city or provide service for city daily life activity in produce
Raw solid waste and law, administrative regulation provide the solid waste for being considered as domestic waste, mainly include resident living
The rubbish of the units such as rubbish, TRADE REFUSE, country fair rubbish, street rubbish, public place rubbish, organ, school, factories and miness
(except the hazardous solid wastes such as industrial residue and Special Wastes).With the continuous improvement of urban development and living standards of the people,
China's Municipal Domestic Garbage Output increases year by year, and caused problem of environmental pollution is increasingly severe.
Urban garbage disposal disposition have become a question of common concern in world wide, be one very
Arduous comprehensive, systemic engineering.Currently, having landfill method, composting method, heat treatment to the processing method of domestic waste
Method, worm method, feeding, bacterial digestion, water ballast method, classification recycling, comprehensive utilization etc..Wherein main processing method is landfill
Method, composting method and heat treating process.It studies at present both at home and abroad and the emphasis of application is classification recycling, collects and the life rubbish to collection
Rubbish carries out resource reclaim and comprehensive utilization, the wasting of resources caused by due to conventional process mode is reduced, for example, by urban life rubbish
Combustion gas is made by recycling in rubbish.
Although, according to existing technology, being needed however, combustion gas can be made by recycling in domestic waste
The cracking temperature wanted is higher and the time is longer, so that garbage reclamation processing cost is excessively high.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of method that domestic waste cracks preparation combustion gas, the party
Method can solve that cracking temperature that existing domestic waste needs is higher and the time is longer, so that garbage reclamation processing cost mistake
High problem.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that：
It includes the following steps：
A. the heavy inorganic matters such as stone, brick, silt that domestic waste to be processed contains are sorted out and is gone
It removes；
It B. is 1cm~5cm by granularity is crushed to by the domestic waste of step A sorting processing；
C. the domestic waste Jing Guo step B pulverization process is dried to moisture content lower than 15%；
D. it will be put into pyrolysis furnace, be added by diatomite, cobblestone, dioxy by the domestic waste of step C drying and processing
Change titanium, nickel dioxide, solid super-strong acid as catalyst for cracking made of raw material, is uniformly mixed, then by the temperature in pyrolysis furnace
Degree is heated to 100 DEG C~200 DEG C and is cracked, and collects gas-liquid mixture；
D. the gas-liquid mixture obtained after D step cracking processing is subjected to gas-liquid separation, obtains combustion gas.
In above-mentioned technical proposal, more specific technical solution be can also be：In the city by step C drying and processing
House refuse is put into before pyrolysis furnace, first that its is quick-frozen to subzero 10 DEG C or less.
Preferably, the catalyst for cracking is to be made of raw material from the following weight：
10 parts~15 parts of diatomite, 1 part~5 parts of cobblestone, 8 parts~12 parts of titanium dioxide, 5 parts of nickel dioxide~10 parts, solid
1 part~5 parts of super acids.
Preferably, 10 parts of the diatomite, 1 part of cobblestone, 9 parts of titanium dioxide, 8 parts of nickel dioxide, solid super-strong acid 5
Part.
Preferably, 12 parts of the diatomite, 3 parts of cobblestone, 8 parts of titanium dioxide, 10 parts of nickel dioxide, solid super-strong acid 1
Part.
Preferably, 15 parts of the diatomite, 5 parts of cobblestone, 12 parts of titanium dioxide, 5 parts of nickel dioxide, solid super-strong acid 4
Part.
Due to the adoption of the above technical scheme, the present invention has the advantages that：
1. the catalyst for cracking high catalytic efficiency made of diatomite, cobblestone, titanium dioxide, nickel dioxide, solid super-strong acid,
Being used for catalytic pyrolysis domestic waste has the advantages that cracking temperature is low, time-consuming few.
2. the present invention by the way that domestic waste is first carried out quick-frozen Pintsch process again, is not only reduced in house refuse
Useful component goes bad because of oxidation, can also further shorten the time that its cracking needs.
Specific embodiment
Below in conjunction with specific example, the invention will be further described：
Embodiment 1 --- the method for 500kg domestic waste cracking preparation combustion gas
It includes the following steps：
A. the heavy inorganic matters such as stone, brick, silt that domestic waste to be processed contains are sorted out and is gone
It removes；
It B. is 3cm by granularity is crushed to by the domestic waste of step A sorting processing；
C. the domestic waste Jing Guo step B pulverization process is dried to moisture content lower than 15%；
D. it will place into pyrolysis furnace, add after quick-frozen to subzero 10 DEG C of the domestic waste of step C drying and processing or less
Enter diatomite, cobblestone, titanium dioxide, nickel dioxide, solid super-strong acid as catalyst for cracking made of raw material, mixing is equal
It is even, the temperature in pyrolysis furnace is then heated to 120 DEG C and is cracked, gas-liquid mixture is collected；Wherein, the catalyst for cracking
It is made of the raw material of following parts by weight meter：10 parts of diatomite, 1 part of cobblestone, 9 parts of titanium dioxide, 8 parts of nickel dioxide, solid are super
5 parts of strong acid；
D. the gas-liquid mixture obtained after D step cracking processing is subjected to gas-liquid separation, obtains combustion gas.
The present embodiment pyrolysis time adds up to 15 minutes 9 hours, and generating fuel gas total amount is about 615m3。
The domestic waste cracking preparation combustion gas of comparative example 1 --- 500kg ingredient, water content similarly to Example 1
Method
It includes the following steps：
A. the heavy inorganic matters such as stone, brick, silt that domestic waste to be processed contains are sorted out and is gone
It removes；
It B. is 3cm by granularity is crushed to by the domestic waste of step A sorting processing；
C. the domestic waste Jing Guo step B pulverization process is dried to moisture content lower than 15%；
D. it will be put into pyrolysis furnace by the domestic waste of step C drying and processing, then heat the temperature in pyrolysis furnace
It is cracked to 500 DEG C, collects gas-liquid mixture；
D. the gas-liquid mixture obtained after D step cracking processing is subjected to gas-liquid separation, obtains combustion gas.
This comparative example pyrolysis time adds up to 02 minute 17 hours, and generating fuel gas total amount is about 581m3。
Embodiment 2 --- the method for 450kg domestic waste cracking preparation combustion gas
It includes the following steps：
A. the heavy inorganic matters such as stone, brick, silt that domestic waste to be processed contains are sorted out and is gone
It removes；
It B. is 1cm~5cm by granularity is crushed to by the domestic waste of step A sorting processing；
C. the domestic waste Jing Guo step B pulverization process is dried to moisture content lower than 15%；
D. it will place into pyrolysis furnace, add after quick-frozen to subzero 10 DEG C of the domestic waste of step C drying and processing or less
Enter diatomite, cobblestone, titanium dioxide, nickel dioxide, solid super-strong acid as catalyst for cracking made of raw material, mixing is equal
It is even, the temperature in pyrolysis furnace is then heated to 100 DEG C~200 DEG C and is cracked, gas-liquid mixture is collected；Wherein, described to split
Solution catalyst is made of the raw material of following parts by weight meter：12 parts of the diatomite, 3 parts of cobblestone, 8 parts of titanium dioxide, titanium dioxide
10 parts of nickel, 1 part of solid super-strong acid；
D. the gas-liquid mixture obtained after D step cracking processing is subjected to gas-liquid separation, obtains combustion gas.
The present embodiment pyrolysis time adds up to 05 minute 8 hours, and generating fuel gas total amount is about 590m3。
The domestic waste cracking preparation combustion gas of comparative example 2 --- 450kg ingredient, water content similarly to Example 2
Method
It includes the following steps：
A. the heavy inorganic matters such as stone, brick, silt that domestic waste to be processed contains are sorted out and is gone
It removes；
It B. is 5cm by granularity is crushed to by the domestic waste of step A sorting processing；
C. the domestic waste Jing Guo step B pulverization process is dried to moisture content lower than 15%；
D. it will be placed into pyrolysis furnace after quick-frozen to subzero 10 DEG C of the domestic waste of step C drying and processing or less, so
The temperature in pyrolysis furnace is heated to 500 DEG C afterwards to crack, collects gas-liquid mixture；
D. the gas-liquid mixture obtained after D step cracking processing is subjected to gas-liquid separation, obtains combustion gas.
This comparative example pyrolysis time adds up to 08 minute 13 hours, and generating fuel gas total amount is about 588m3。
Embodiment 3 --- the method for 510kg domestic waste cracking preparation combustion gas
It includes the following steps：
A. the heavy inorganic matters such as stone, brick, silt that domestic waste to be processed contains are sorted out and is gone
It removes；
It B. is 1cm by granularity is crushed to by the domestic waste of step A sorting processing；
C. the domestic waste Jing Guo step B pulverization process is dried to moisture content lower than 15%；
D. it will place into pyrolysis furnace, add after quick-frozen to subzero 10 DEG C of the domestic waste of step C drying and processing or less
Enter diatomite, cobblestone, titanium dioxide, nickel dioxide, solid super-strong acid as catalyst for cracking made of raw material, mixing is equal
It is even, the temperature in pyrolysis furnace is then heated to 100 DEG C and is cracked, gas-liquid mixture is collected；Wherein, the catalyst for cracking
It is made of the raw material of following parts by weight meter：15 parts of the diatomite, 12 parts of titanium dioxide, 5 parts of nickel dioxide, is consolidated 5 parts of cobblestone
4 parts of body super acids；
D. the gas-liquid mixture obtained after D step cracking processing is subjected to gas-liquid separation, obtains combustion gas.
The present embodiment pyrolysis time adds up to 15 minutes 9 hours, and generating fuel gas total amount is about 615m3。
The domestic waste cracking preparation combustion gas of comparative example 3 --- 510kg ingredient, water content similarly to Example 3
Method
It includes the following steps：
A. the heavy inorganic matters such as stone, brick, silt that domestic waste to be processed contains are sorted out and is gone
It removes；
It B. is 1cm by granularity is crushed to by the domestic waste of step A sorting processing；
C. the domestic waste Jing Guo step B pulverization process is dried to moisture content lower than 15%；
D. it will be put into pyrolysis furnace, be added by diatomite, cobblestone, dioxy by the domestic waste of step C drying and processing
Change titanium, nickel dioxide, solid super-strong acid as catalyst for cracking made of raw material, is uniformly mixed, then by the temperature in pyrolysis furnace
Degree is heated to 100 DEG C and is cracked, and collects gas-liquid mixture；Wherein, the catalyst for cracking by following parts by weight meter raw material
It is made：15 parts of the diatomite, 5 parts of cobblestone, 12 parts of titanium dioxide, 5 parts of nickel dioxide, 4 parts of solid super-strong acid；
D. the gas-liquid mixture obtained after D step cracking processing is subjected to gas-liquid separation, obtains combustion gas.
This comparative example pyrolysis time adds up to 02 minute 11 hours, and generating fuel gas total amount is about 595m3。
Claims (6)
1. a kind of method of domestic waste cracking preparation combustion gas, it is characterised in that include the following steps：
A. the heavy inorganic matters such as stone, brick, silt that domestic waste to be processed contains are sorted out and is gone
It removes；
It B. is 1cm~5cm by granularity is crushed to by the domestic waste of step A sorting processing；
C. the domestic waste Jing Guo step B pulverization process is dried to moisture content lower than 15%；
D. it will be put into pyrolysis furnace, be added by diatomite, cobblestone, dioxy by the domestic waste of step C drying and processing
Change titanium, nickel dioxide, solid super-strong acid as catalyst for cracking made of raw material, is uniformly mixed, then by the temperature in pyrolysis furnace
Degree is heated to 100 DEG C~200 DEG C and is cracked, and collects gas-liquid mixture；
D. the gas-liquid mixture obtained after D step cracking processing is subjected to gas-liquid separation, obtains combustion gas.
2. the method for domestic waste cracking preparation combustion gas according to claim 1, it is characterised in that：In the process
The domestic waste of step C drying and processing is put into before pyrolysis furnace, first that its is quick-frozen to subzero 10 DEG C or less.
3. the method for domestic waste cracking preparation combustion gas according to claim 1 or 2, it is characterised in that：It is described to split
Solving catalyst is to be made of raw material from the following weight：
10 parts~15 parts of diatomite, 1 part~5 parts of cobblestone, 8 parts~12 parts of titanium dioxide, 5 parts of nickel dioxide~10 parts, solid
1 part~5 parts of super acids.
4. the method for domestic waste cracking preparation combustion gas according to claim 3, it is characterised in that：The diatomite
10 parts, 1 part of cobblestone, 9 parts of titanium dioxide, 8 parts of nickel dioxide, 5 parts of solid super-strong acid.
5. the method for domestic waste cracking preparation combustion gas according to claim 3, it is characterised in that：The diatomite
12 parts, 3 parts of cobblestone, 8 parts of titanium dioxide, 10 parts of nickel dioxide, 1 part of solid super-strong acid.
6. the method for domestic waste cracking preparation combustion gas according to claim 3, it is characterised in that：The diatomite
15 parts, 5 parts of cobblestone, 12 parts of titanium dioxide, 5 parts of nickel dioxide, 4 parts of solid super-strong acid.
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Citations (5)
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| WO2011021944A1 (en) * | 2009-08-19 | 2011-02-24 | Eicproc As | Combined processes for utilizing synthesis gas at low co2 emission and high energy output |
| CN102250158A (en) * | 2011-05-23 | 2011-11-23 | 中国科学技术大学 | Method for preparing levoglucosenone |
| CN102380402A (en) * | 2011-08-25 | 2012-03-21 | 华北电力大学 | Titanium-based magnetic solid super-acid catalyst and preparation thereof and method for preparing laevoglucose ketone by means of catalytic pyrolysis of cellulose or biomass |
| CN107129816A (en) * | 2016-02-26 | 2017-09-05 | 华云新能源科技（深圳）有限公司 | A kind of house refuse cracking treatment process |
| CN107460212A (en) * | 2017-09-05 | 2017-12-12 | 广西南宁成远科技有限公司 | A kind of method that asparagus fern dregs of a decoction prepare methane and biomass carbon |
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Application publication date: 20181116 |