CN106281517B - The oil prepared with waste plastics or waste plastics produces the method and device of cleaning alcohol ate - Google Patents
The oil prepared with waste plastics or waste plastics produces the method and device of cleaning alcohol ate Download PDFInfo
- Publication number
- CN106281517B CN106281517B CN201610670975.4A CN201610670975A CN106281517B CN 106281517 B CN106281517 B CN 106281517B CN 201610670975 A CN201610670975 A CN 201610670975A CN 106281517 B CN106281517 B CN 106281517B
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- Prior art keywords
- alcohol
- waste plastics
- degrees celsius
- gas
- mixed
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- 239000004033 plastic Substances 0.000 title claims abstract description 76
- 229920003023 plastic Polymers 0.000 title claims abstract description 76
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000002699 waste material Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 239000003054 catalyst Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 238000004080 punching Methods 0.000 claims abstract description 23
- 238000002309 gasification Methods 0.000 claims abstract description 22
- 238000005336 cracking Methods 0.000 claims abstract description 20
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 19
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000000446 fuel Substances 0.000 claims abstract description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 239000002841 Lewis acid Substances 0.000 claims description 15
- 150000007517 lewis acids Chemical class 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 239000011593 sulfur Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005194 fractionation Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 41
- 239000002283 diesel fuel Substances 0.000 description 6
- 239000003502 gasoline Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 5
- 150000003384 small molecules Chemical class 0.000 description 4
- 239000011973 solid acid Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 description 3
- 238000007171 acid catalysis Methods 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001335 aliphatic alkanes Chemical group 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229920000426 Microplastic Polymers 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007233 catalytic pyrolysis Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/08—Production of synthetic natural gas
-
- 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
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining 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
- C10G1/008—Controlling or regulating of liquefaction processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/04—Gasification
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/12—Regeneration of a solvent, catalyst, adsorbent or any other component used to treat or prepare a fuel
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L2290/543—Distillation, fractionation or rectification for separating fractions, components or impurities during preparation or upgrading of a fuel
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The oil prepared with waste plastics or waste plastics produces the method and device of cleaning alcohol ate；Wherein, method includes（1）In the communicated device cracking gasification installation of waste plastics that will be cleaned up, under conditions of 200-500 degrees Celsius, make plastic cracking and gasification forms gas mixture；（11）, by gas mixture in the case where temperature is 300-400 degrees Celsius, with temperature for 150-200 degrees Celsius of water vapour liquidates in profit opposite punching device, and be well mixed；（12）Well mixed oil mixing with water steam enters temperature in 300-360 degrees Celsius of catalysis alcohol device, in the presence of catalyst, to generate mixed alcohol gas；（13）The mixed alcohol gas is fractionated by fractionating device, and Fractional Collections, obtains mixing crude glycol.The high-carbon alcohol mixture made with waste plastics, its combustion heat value is high, its fuel value up to 8500 kilocalorie -10500 kilocalories, non-secondary pollution, but low cost, the good advantage of security.
Description
Technical field
Cleaning alcohol combustion is produced the present invention relates to chemical field, more particularly to a kind of oil prepared with waste plastics or waste plastics
The method and device of material.
Technical background
With the development advanced by leaps and bounds of petroleum industry, the plastic product with oil as raw material has penetrated into national economy
Every field, or even resident living every aspect, the life that have left its modern cannot imagine that plastic products are being people
Life while bring convenience, also generate increasingly serious pollution, discarded plastics it is long-term be exposed to the sun with weathering,
Give out some harmful substances and serious destruction is caused to ecological environment.
At present, the method for solving waste plastics, mainly when rubbish is flowed or blow over and cover completely or is burnt, flowing or blow over and cover completely waste plastics can make to surrounding environment
Into pollution；Burning waste plastics can produce carcinogen-dioxin, and the health adverse effect to people is bigger.
As when preferably utilized waste plastics, it is set to turn waste into wealth.People have developed and utilize oil refining process of waste plastic（Here
Waste plastics be primarily referred to as waste polyolefin class plastics, similarly hereinafter）, it is usually in 300-800 degrees Celsius of high temperature using waste plastic oil-refining
In the case of, the strand of waste plastics is broken, the mixed oil and gas of generation saturated hydrocarbons and unsaturated hydrocarbons, oil gas carries out weight again
Whole, further catalytic pyrolysis forms the relatively uniform oil gas of molecular weight, then condenses rectifying, generation gasoline or diesel oil etc. one and is
Row product.
But, the gasoline or diesel oil produced using waste plastics, it is substantially the thing that dissolves each other of oil and plastics, that is,
Say inside oil still there are a certain amount of small molecule plastics, simply people visually observe less than.Therefore, it is this by useless modeling
The gasoline produced of material or diesel oil, due to the presence for having a small amount of small molecule plastics, can produce volume of smoke, to ring in fuel
Border can cause secondary pollution；Again, this waste plastics is produced gasoline or diesel oil, in the receptacle mounted in sealing, also
It is less problematic, but this gasoline of an amount or diesel oil expose, and will be existed due to the volatilization of small molecule oil gas or small molecule oil gas
Copolymerization is produced in air in the presence of oxygen molecule, plastics are formd again.Here it is why the gasoline produced with waste plastics
Or diesel oil, once the reason for after outer drop, plastic pellet will be formed soon.
The content of the invention
For the oily deficiency for solving to be produced using waste plastics in the prior art, given up the invention reside in a kind of using is provided
The method that oil prepared by plastics or waste plastics produces cleaning alcohol ate, the mixed alcohol prepared using the method, in burning
When smoke dust, also with regard to non-secondary pollution；Again, even if being contacted with the oxygen in air in storage or transportation, be also not in
The phenomenon of copolymerization occurs, and can solve the oily deficiency that existing waste plastic oil-refining technology is produced.
The present invention also provides the device that a kind of waste plastics produces cleaning alcohol ate.
Waste plastics in the present invention refers to waste polyolefin class plastics.
The technical scheme is that：A kind of method that oil of waste plastics preparation produces cleaning alcohol ate is provided, including
Following steps：
The first step, the oil for preparing waste plastics, after gasification in the case where temperature is 300-400 degrees Celsius, in profit pair
With the water vapour that temperature is 150-200 degrees Celsius with 1 in flushing device:1.05 volume ratios liquidate, and are well mixed；
Second step, well mixed oil mixing with water steam enter the catalysis alcohol device that temperature is for 300-360 degrees Celsius
It is interior, in the presence of catalyst, generate mixed alcohol gas；
3rd step, the mixed alcohol gas are fractionated by fractionating device, and Fractional Collections, obtain mixing crude glycol.
As improvement of the present invention, after above-mentioned 3rd step, crude glycol will also be mixed in normal temperature including the step of step the four
Filtered by basicity filter down, removed the impurity of the chloro thing and sulfur-bearing in mixing crude glycol；Mixing essence is obtained after filtering
Alcohol.
Used as improvement of the present invention, the catalyst is that lewis acid, platinum, copper are composited, wherein, each composition rubs
Your ratio is 1.5 ~ 3 parts of lewis acid；Platinum：1 ~ 2 part and copper：5 ~ 7.5 parts.
The present invention also provides a kind of method that waste plastics produces cleaning alcohol ate, comprises the following steps：
（1）The communicated device of waste plastics that will be cleaned up is delivered in cracking gasification installation, at 200-500 degrees Celsius
Under conditions of, make plastic cracking and gasification forms gas mixture；
（2）, by gas mixture in the case where temperature is 300-400 degrees Celsius, in profit opposite punching device and temperature
For 150-200 degrees Celsius of water vapour with volume ratio be 1:1.05 liquidate, and are well mixed；
（3）Well mixed oil mixing with water steam enters in the catalysis alcohol device that temperature is 300-360 degrees Celsius,
In the presence of catalyst, mixed alcohol gas is generated；
（4）The mixed alcohol gas is fractionated by fractionating device, and Fractional Collections, obtains mixing crude glycol.
As improvement of the present invention, above-mentioned（4）After step, also including step（5）To pass through under mixing crude glycol normal temperature
Basicity filter is filtered, and removes the impurity of the chloro thing and sulfur-bearing in mixing crude glycol；Obtain mixing smart alcohol after filtering.
Used as improvement of the present invention, the catalyst is that lewis acid, platinum, copper are composited, wherein, each composition rubs
Your ratio is 1.5 ~ 3 parts of lewis acid；Platinum：1 ~ 2 part and copper：5 ~ 7.5 parts.
As improvement of the present invention, above-mentioned（4）Tail gas produced by step is dried by washing, is compressed into
It is liquefied gas；Or used directly as fuel.
As improvement of the present invention, described（1）Step can be replaced by following two steps,
（11）The communicated device of waste plastics that will be cleaned up is sent in heater, in the case of 200-300 degrees Celsius
Heated, liquefied completely to waste plastics；
(12）By in liquid plastic feeding cracking gasification installation, under conditions of 400-500 degrees Celsius, make liquid plastic
Cracking, and gasification forms gas mixture.
The present invention also provides the device that a kind of waste plastics produces cleaning alcohol ate, including profit opposite punching device, catalysis system
Alcohol device and fractionating device；The profit opposite punching device include opposite punching device shell, be provided with the opposite punching device shell by
The shell is divided into the two-part net that liquidates, and oil gas prepared by waste plastics enters liquidate net, temperature from the side of the net that liquidates
For 150-200 degrees Celsius of water vapour enters the net that liquidates from the opposite side of the net that liquidates, the oil gas and water vapour are in the profit
Opposite punching device is sufficiently mixed；The catalysis alcohol device processed is connected with the profit opposite punching device, in the catalysis alcohol device processed
Catalyst is provided with, oil mixing with water steam forms mixed alcohol gas, the fractionating device and the catalysis in the presence of catalyst
Alcohol device connection processed, by the mixed alcohol gas fractionation.
As improvement of the present invention, heating cracking gasification installation, described was additionally provided with before the profit opposite punching device
Heating cracking gasification installation include shell, discharging opening is provided with the bottom surface of the shell, on the housing portion be provided with into
Material mouth, at least one burner is provided with the outer casing underpart, and the burner extends from bottom to up in the shell.
Present invention tool has the advantage that：
The high-carbon alcohol mixture made with waste plastics, its combustion heat value is high, and its fuel value is up to 8500 kilocalorie -10500
Kilocalorie, non-secondary pollution, but low cost, security is good.
Waste plastics raw material used only needs to clean up in this method, and without baking operation, save energy reduces system
Alcohol cost.
Device in the present invention can recycle heat utilize, energy consumption is low, waste plastics Direct Pyrolysis alcohol, and pollution is small, but goes out alcohol
Rate is high, the alcohol high combustion efficiency of generation, will not be to secondary environmental pollution.
Brief description of the drawings
Fig. 1 is process flow diagram of the invention.
Fig. 2 is another process flow diagram of the invention.
Fig. 3 is apparatus of the present invention structural representation.
Fig. 4 is the structural representation of the alcoholization device that liquidates in Fig. 3.
Fig. 5 is the cracked residue output device structural representation in Fig. 3.
Specific embodiment
Fig. 1 is referred to, what Fig. 1 was disclosed is the method that oil prepared by a kind of waste plastics produces cleaning alcohol ate, including such as
Lower step：
The first step, the oil for preparing waste plastics, after gasification in the case where temperature is 300-400 degrees Celsius, in profit pair
With the water vapour that temperature is 150-200 degrees Celsius with 1 in flushing device:1.05 volume ratios liquidate, and are well mixed；
Second step, well mixed oil mixing with water steam enter the catalysis alcohol device that temperature is for 300-360 degrees Celsius
It is interior, in the presence of catalyst, generate mixed alcohol gas；In the present embodiment, the oil mixing with water steam enters catalysis alcohol dress processed
Put, in the presence of molecular sieve catalyst, progressively generation mixes higher alcohols, and its chemical reaction is as follows,
A, in the event of high temperatures, in the presence of catalyst, strand disconnected the higher oil gas of the degree of polymerization occurs, and generation is poly-
Right relatively low oil gas, is saturation and unsaturated hydrocarbons mixture.
B, unsaturated hydrocarbons generate alcohol in the presence of catalyst with hydrone addition.
C, saturated hydrocarbons alkane form R-X under solid acid catalysis effect；
D, R-X are hydrolyzed in the presence of hydrone, generate R-OH, while solid acid catalyst is reduced, it is solid to be formed
Body acid catalyst is recycled, and extends the service life of catalyst.
The catalyst in the present invention is that lewis acid, platinum, copper are composited, wherein, the mol ratio of each composition is road
1.5 ~ 3 parts of Lewis acid；5 ~ 7.5 parts of 1 ~ 2 part of platinum and copper.After lewis acid powder, platinum powder and copper powder are mixed in proportion, it is located at point
Used on son sieve（Similarly hereinafter）.
3rd step, the mixed alcohol gas are fractionated by fractionating device, and Fractional Collections, obtain mixing crude glycol.
4th step, will mixing crude glycol normal temperature under be filtered by basicity filter, remove mixing crude glycol in chloro thing
With the impurity of sulfur-bearing；Obtain mixing smart alcohol after filtering.Its removal of impurities principle is as follows：
In the presence of alkalescence, R-Cl reacts in OH- for A, R-Cl, and generation R-OH and HCl, HCl occur in the presence of alkali
Neutralization reaction, forms slaine and H2O.
B, sulfur-containing compound, under alkalescence effect, generate corresponding salt and water.
Tail gas produced by 5th step, fractionation is dried by washing, is collapsed into liquefied gas.
Fig. 2 is referred to, what Fig. 2 was disclosed is a kind of method that cleaning alcohol ate is directly produced with waste plastics, including is walked as follows
Suddenly：
（1）The communicated device 16 of waste plastics that will be cleaned up is sent in cracking gasification installation 10, Celsius in 200-500
Under conditions of degree, make plastic cracking and gasification forms gas mixture, residue drops down onto cracking gas bottom of device, and can be from deslagging
Device is excluded；Cool down at normal temperatures, residue can be used as the filler of rubber；Or crush as active carbon product, also may be used
Used as the raw material of the burner in the present invention.
（2）, by gas mixture in the case where temperature is 300-400 degrees Celsius, in profit opposite punching device and temperature
It is 150-200 degrees Celsius of water vapour with 1:1.05 volume ratios liquidate, and are well mixed；In the present embodiment, gas mixture is
Water vapour by heating jacket with temperature for 150-200 degrees Celsius liquidates, and the helical form conveyance conduit on jackets inner wall
In the presence of be well mixed；
（3）Well mixed oil mixing with water steam enters in the catalysis alcohol device that temperature is 300-360 degrees Celsius,
In the presence of catalyst, mixed alcohol gas is generated；In the present embodiment, the oil mixing with water steam enters catalysis alcohol device processed,
In the presence of molecular sieve catalyst, progressively generation mixes higher alcohols, and its chemical reaction is as follows,
A, in the event of high temperatures, in the presence of catalyst, strand disconnected the higher oil gas of the degree of polymerization occurs, and generation is poly-
Right relatively low oil gas, is saturation and unsaturated hydrocarbons mixture.
B, unsaturated hydrocarbons generate alcohol in the presence of catalyst with hydrone addition.
C, saturated hydrocarbons alkane form R-X under solid acid catalysis effect；
D, R-X are hydrolyzed in the presence of hydrone, generate R-OH, while solid acid catalyst is reduced, it is solid to be formed
Body acid catalyst is recycled, and extends the service life of catalyst.
The catalyst in the present invention is that lewis acid, platinum, copper are composited, wherein, the mol ratio of each composition is road
1.5 ~ 3 parts of Lewis acid；5 ~ 7.5 parts of 1 ~ 2 part of platinum and copper.
（4）The mixed alcohol gas is fractionated by fractionating device, and Fractional Collections, obtains mixing crude glycol.
（5）Will mixing crude glycol filtered by basicity filter at normal temperatures, remove mixing crude glycol in chloro thing and
The impurity of sulfur-bearing；Obtain mixing smart alcohol after filtering, and store.
（6）Tail gas produced by fractionation is washed by alkalescence, and is dried, and is collapsed into liquefied gas 17；Or directly
Used as the fuel of burner 18.Alkaline water is generally NaOH or potassium hydroxide solution.Water-washing process will mainly be removed
The chloro thing and the impurity of sulfur-bearing gone in crude glycol.Its removal of impurities principle is as follows：
In the presence of alkalescence, R-Cl reacts in OH- for A, R-Cl, generates R-OH and HCl gases, work of the HCl gases in alkali
Under, there is neutralization reaction, form slaine and H2O.
B, sulfur-containing compound, under alkalescence effect, generate corresponding salt.
In the present embodiment, described（1）Step can be replaced by following two steps,
（11）The communicated device of waste plastics that will be cleaned up is sent in heater, in the case of 200-300 degrees Celsius
Heated, liquefied completely to waste plastics；
(12）By in liquid plastic feeding cracking gasification installation, under conditions of 400-500 degrees Celsius, make liquid plastic
Cracking, and gasification forms gas mixture.
The present invention also provide a kind of waste plastics produce cleaning alcohol ate device, including heating cracking gasification installation 10,
Profit opposite punching device 20, catalysis alcohol device 30 processed and fractionating device 40；The heating cracking gasification installation 10 includes shell 101,
Discharging opening 102 is provided with the bottom surface of the shell 101, charging aperture 103 is provided with the top of the shell 101, described outer
The bottom of shell 101 is provided with least one burner 104, and the smoke pipe 105 of the burner 104 is interior under in the shell 101
Supreme extension, and communicated with air through profit opposite punching device 20 and after being catalyzed alcohol device 30 processed；Set at the charging aperture 103
There is screw feeding device 50, the screw feeding device 50 is including charging motor 501, feed cylinder 502, in feed cylinder 502
And the feed worm 503 that is connected with charging motor 50, feed hopper 504 is provided with the feed cylinder 502；The profit liquidates
Device 20 includes opposite punching device shell 21, is provided with the opposite punching device shell 21 and be divided into the shell 21 two-part right
Net 211 is rushed, oil gas prepared by waste plastics enters the net 211 that liquidates from the side of the net 211 that liquidates, and temperature is that 150-200 is Celsius
The water vapour of degree enters the net 211 that liquidates from the opposite side of the net that liquidates, and the oil gas and water vapour are in the profit opposite punching device 20
It is sufficiently mixed；The catalysis alcohol device 30 processed is connected with the profit opposite punching device 20, is set in the catalysis alcohol device 30 processed
Have a catalyst 31, oil mixing with water steam forms mixed alcohol gas in the presence of catalyst 31, the fractionating device 40 with it is described
Catalysis alcohol device 30 processed is connected, and by the mixed alcohol gas fractionation, offgas outlet is provided with the top of the fractionating device 40
401, the main body of fractionating device 40 is provided with multiple essence alcohol outlets 402, and sewage draining exit 403 is provided with the bottom of the fractionating device 40.
Slag-draining device 60 is provided with the discharging opening 102, the slag-draining device 60 is including dregs discharge tube 601, deslagging motor 602, positioned at institute
Deslagging screw rod 603 that is in dregs discharge tube 601 and being connected with deslagging motor 602 is stated, slag-drip opening is provided with the bottom of the dregs discharge tube 601
604。
After testing, to make mixed alcohol composition as follows for the present invention, is adapted to industry and is used as fuel.
Plastic cracking produces the test data of cleaning alcohol ate
Claims (6)
1. a kind of method that waste plastics produces cleaning alcohol ate, it is characterised in that comprise the following steps：
（1）The communicated device of waste plastics that will be cleaned up is delivered in cracking gasification installation, in 200-500 degrees Celsius of bar
Under part, make plastic cracking and gasification forms gas mixture；
（2）, by gas mixture temperature be 300-400 degrees Celsius in the case of, be with temperature in profit opposite punching device
150-200 degrees Celsius of water vapour is with 1:1.05 volume ratio liquidates, and is well mixed；
（3）Well mixed oil mixing with water steam enters temperature in 300-360 degrees Celsius of catalysis alcohol device, to be catalyzed
In the presence of agent, mixed alcohol gas is generated；
（4）The mixed alcohol gas is fractionated by fractionating device, and Fractional Collections, obtains mixing crude glycol；
The catalyst is that lewis acid, platinum, copper are composited, wherein, the mol ratio of each composition is 1.5 ~ 3 parts of lewis acid；
5 ~ 7.5 parts of 1 ~ 2 part of platinum and copper；After lewis acid powder, platinum powder and copper powder are mixed in proportion, if using over a molecular sieve.
2. the method that waste plastics according to claim 1 produces cleaning alcohol ate, it is characterised in that above-mentioned（4）Step
Afterwards, also including step（5）To be filtered by basicity filter under mixing crude glycol normal temperature, removed the chloro in mixing crude glycol
The impurity of thing and sulfur-bearing；Obtain mixing smart alcohol after filtering.
3. the method that waste plastics according to claim 1 and 2 produces cleaning alcohol ate, it is characterised in that above-mentioned（4）
Tail gas produced by step is dried by washing, is collapsed into liquefied gas；Or used directly as fuel.
4. the method that waste plastics according to claim 1 produces cleaning alcohol ate, it is characterised in that described the（1）Step
Can be replaced by following two steps,
（11）The communicated device of waste plastics that will be cleaned up is sent in heater, is carried out in the case of 200-300 degrees Celsius
Heating, liquefies completely to waste plastics；
(12）By in liquid plastic feeding cracking gasification installation, under conditions of 400-500 degrees Celsius, crack liquid plastic,
And gasification forms gas mixture.
5. a kind of usage right requires the device that cleaning alcohol ate is produced with waste plastics of method any one of 1 to 4, its
It is characterised by：Including heating cracking gasification installation（10）, profit opposite punching device（20）, be catalyzed alcohol device processed（30）And fractionating device
（40）；The profit opposite punching device（20）Including opposite punching device shell（21）, in the opposite punching device shell（21）Inside be provided with by
The shell（21）It is divided into the two-part net that liquidates（211）, oil gas prepared by waste plastics is from the net that liquidates（211）Side enter
Enter the net that liquidates（211）, temperature is 150-200 degrees Celsius of water vapour from the net that liquidates（211）Opposite side enter and liquidate net
（211）, the oil gas and water vapour are in the profit opposite punching device（20）It is sufficiently mixed；The catalysis alcohol device processed（30）With institute
State profit opposite punching device（20）Connection, in the catalysis alcohol device processed（30）Inside it is provided with catalyst（31）, oil mixing with water steam exists
Catalyst（31）In the presence of formed mixed alcohol gas, the fractionating device（40）With the catalysis alcohol device processed（30）Connection,
By the mixed alcohol gas fractionation；The catalyst is that lewis acid, platinum, copper are composited, wherein, the mol ratio of each composition is
1.5 ~ 3 parts of lewis acid；5 ~ 7.5 parts of 1 ~ 2 part of platinum and copper；After lewis acid powder, platinum powder and copper powder are mixed in proportion, if
Use over a molecular sieve.
It is 6. according to claim 5 that the device for cleaning alcohol ate is produced for waste plastics, it is characterised in that：The heating is split
Solution gasification installation（10）Including shell（101）, in the shell（101）Bottom surface be provided with discharging opening（102）, described outer
Shell（101）Top is provided with charging aperture（103）, in the shell（101）Bottom is provided with least one burner（104）, it is described
Burner（104）Smoke pipe（105）In the shell（101）Inside extend from bottom to up.
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|---|---|---|---|---|
| CN1105290A (en) * | 1993-08-27 | 1995-07-19 | 三菱化学株式会社 | Pretreatment process of zeolite catalyst and process for producing alcohol using the pretreated catalyst |
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| CN104159845A (en) * | 2011-12-20 | 2014-11-19 | 学校法人长崎综合科学大学 | Method and device for producing synthetic gas and method and device for synthesizing liquid fuel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140042402A (en) * | 2012-09-28 | 2014-04-07 | 주식회사 엘지화학 | Apparatus and method for preparing alcohols from olefins |
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|---|---|---|---|---|
| CN1105290A (en) * | 1993-08-27 | 1995-07-19 | 三菱化学株式会社 | Pretreatment process of zeolite catalyst and process for producing alcohol using the pretreated catalyst |
| CN101671237A (en) * | 2009-09-26 | 2010-03-17 | 颜乔子 | Method for refining ethers oxygenated compounds from waste plastics |
| CN104159845A (en) * | 2011-12-20 | 2014-11-19 | 学校法人长崎综合科学大学 | Method and device for producing synthetic gas and method and device for synthesizing liquid fuel |
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