CN108929727A - A kind of coal-based methanol gasoline and its preparation method and application of environment-friendly type purifying - Google Patents
A kind of coal-based methanol gasoline and its preparation method and application of environment-friendly type purifying Download PDFInfo
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- CN108929727A CN108929727A CN201810789924.2A CN201810789924A CN108929727A CN 108929727 A CN108929727 A CN 108929727A CN 201810789924 A CN201810789924 A CN 201810789924A CN 108929727 A CN108929727 A CN 108929727A
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- 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
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Abstract
The invention proposes a kind of coal-based methanol gasoline of environment-friendly type purifying, are prepared by weight by following raw material: A liquid: 20-40 parts of the coal-based methanol of purifying；1-5 parts of antioxidant；5-10 parts of corrosion inhibiter；1-5 parts of stabilizer；B liquid: 100-120 parts of gasoline；1-5 parts of triisopropyl phenyl phosphate；5-10 parts of molybdenum trioxide；C liquid: 1-5 parts of isooctanol；1-10 parts of tween；1-10 parts of isopropanol.Toxic gas CO, NO in the coal-based methanol Extract from Gasoline-fueled Vehicle discharge of environment-friendly type purifying prepared by the present inventionxContent it is low, methanol vapor is forced down, highly-safe, reduces gasoline cost, economic and practical, and it is few to produce flue gas, environmental protection and energy saving.
Description
Technical field
The present invention relates to technical field of fuel oil, and in particular to a kind of coal-based methanol gasoline of environment-friendly type purifying.
Background technique
China's oil resource scarcity, the substitution studies of the non-fossil energy, it has also become key subjects concerned by people.China is
Coal production big country, the comprehensive utilization of the coal-based methanol of purifying are the important branch of Chemical Industry chain, development and utilization methanol money
Source is effective important measures as the substitute of transport fuel.Methanol be coal high-efficiency trans-utilization downstream product it
One, methanol gasoline can be prepared into the oil with certain proportion addition.
Methanol gasoline also effectively controls the pollution sources of PM2.5, nocuousness in exhaust gas in addition to having high economic benefit
Substance declines to a great extent, octane number improves, olefin(e) centent is reduced, antistatic property is good, and the exploitation of methanol gasoline can also be reduced to stone
The dependence of oil inlet simultaneously can make full use of national coal resources, thus methanol gasoline be it is a kind of have very much a development potentiality meet China
The clean energy resource of national conditions has important society and environmental value.
Patent CN201310725485 " the system of the environment protection gasoline containing methanol of Xinghuo Sci. & Tech. Research Inst., Jinan Dev. Zone
Preparation Method ", a kind of preparation method of environment protection gasoline containing methanol is related to, nanometer profit combustion additive, cosolvent, denaturation are prepared for
Methanol, environment-friendly methanol gasoline fuel, while it being added to ferrocene, the thermal efficiency of fuel is considerably increased, but add ferrocene
It will cause the harm of metal ion.King help method patent CN201410019842 " a kind of M40~M85 Vehicular methanol petrol and its
Preparation method ", a kind of M40~M85 Vehicular methanol petrol and preparation method thereof including base stock and additive is related to, but
A high proportion of methanol is added in the oil to need to reequip the engine of automobile.
Summary of the invention
In order to solve the above technical problems, the present invention provides coal-based methanol gasoline and its preparation of a kind of purifying of environment-friendly type
Methods and applications, it is intended that a kind of coal-based methanol gasoline of environment-friendly type purifying is provided, by the compounding for adding proper ratio
Cosolvent isooctanol and tween can effectively improve the solubility of methanol, so that the structure for not having to transformation automobile engine also can
The methanol gasoline of high-proportion methanol in use；By addition smoke elimination composition molybdenum trioxide and triisopropyl phenyl phosphate, play
Good smoke effect protects environment and human health so that generating few flue gas after gasoline combustion.
The present invention provides a kind of coal-based methanol gasoline of environment-friendly type purifying, prepared by weight by following raw material and
At:
A liquid:
20-40 parts of the coal-based methanol of purifying；
1-5 parts of antioxidant；
5-10 parts of corrosion inhibiter；
1-5 parts of stabilizer；
B liquid:
100-120 parts of gasoline；
1-5 parts of triisopropyl phenyl phosphate；
5-10 parts of molybdenum trioxide；
C liquid:
1-5 parts of isooctanol；
1-10 parts of tween；
1-10 parts of isopropanol；
The coal-based methanol of the purifying is purified by following methods:
Step 1: dehydration: by after processed water-absorbing resin, regeneration water-absorbing resin or molecular sieve be slowly packed into glass column
It is interior, coal-based methanol is slowly injected from water-absorbing resin or molecular sieve column top with certain flow velocity with peristaltic pump, column bottom is with connecing
It receives bottle and picks up product after dehydration；
Step 2: low-carbon connects the removal of organic matter: being purified using tri-columns rectification process, the crude carbinol after water removal is added a small amount of
NaOH adjusts pH in 7-7.2, is pumped after mixing evenly into crude glycol storage tank, crude glycol preheater is got to through crude glycol pump, by steam condensate
It lifts temperature to 70 DEG C or so and enters de- ether tower；
The de- ether tower reboiler of the de- ether tower lower part uses 0.7M pa saturated vapor indirect heating liquid crude glycol, keeps
At 80 DEG C or so, tower top temperature is controlled with phegma at 80 DEG C or so temperature；
The de- ether tower condenser exhaust gas temperature control is less than 50 DEG C；
The crude carbinol specific gravity is between 0.89-0.92.
As further improvement of the invention, it is prepared by weight by following raw material:
A liquid:
25-35 parts of the coal-based methanol of purifying；
2-4 parts of antioxidant；
6-8 parts of corrosion inhibiter；
2-4 parts of stabilizer；
B liquid:
105-115 parts of gasoline；
2-4 parts of triisopropyl phenyl phosphate；
6-9 parts of molybdenum trioxide；
C liquid:
2-4 parts of isooctanol；
3-7 parts of tween；
2-8 parts of isopropanol.
As further improvement of the invention, it is prepared by weight by following raw material:
A liquid:
32 parts of the coal-based methanol of purifying；
3 parts of antioxidant；
7 parts of corrosion inhibiter；
3 parts of stabilizer；
B liquid:
110 parts of gasoline；
3 parts of triisopropyl phenyl phosphate；
8 parts of molybdenum trioxide；
C liquid:
3 parts of isooctanol；
5 parts of tween；
6 parts of isopropanol.
As further improvement of the invention, antioxidant is selected from diphenylamines, p-phenylenediamine, dihydroquinoline, 2,6- three-level fourth
Base -4- methylphenol, bis- (3,5- three-level butyl -4- hydroxy phenyl) thioethers, four (β-(3,5- three-level butyl -4- hydroxy phenyl)
Propionic acid) pentaerythritol ester, double Lauryl Alcohol esters, bi-myristoleyl, double octadecanol esters, three monooctyl esters, three last of the ten Heavenly stems esters, three (12
Carbon alcohol) one or more of ester and three (16 carbon alcohol) esters.
As further improvement of the invention, corrosion inhibiter is selected from phosphine carboxylic acid, coloured glaze base benzothiazole, benzotriazole, sulfonation wood
Quality, POCA, one or more of poly-aspartate, mercaptobenzothiazoler, benzotriazole, cetylamine.
As further improvement of the invention, stabilizer is selected from fatty alcohol polyoxyethylene ether AEO-3, aliphatic alcohol polyethenoxy
Ether AEO-5, fatty alcohol polyoxyethylene ether AEO-7, fatty alcohol polyoxyethylene ether AEO-9, nonylphenol polyoxyethylene ether NP-4, nonyl
Phenol polyethenoxy ether NP-6, nonylphenol polyoxyethylene ether NP-10, octyl phenol polyoxyethylene ether OP-4, octyl phenol polyoxyethylene ether
One or more of OP-6, octyl phenol polyoxyethylene ether OP-10.
The present invention further protects a kind of preparation method of the coal-based methanol gasoline of above-mentioned environment-friendly type purifying, according to following step
Rapid preparation: weighing each component in proportion, and successively A liquid, B liquid and C liquid into three reaction kettles stir evenly, by A liquid, B liquid and C
Liquid mixes or A liquid, B liquid and C liquid is mixed evenly, and obtains the coal-based methanol gasoline of environment-friendly type purifying.
As further improvement of the invention, the condition of whipping step is that mixing speed 200-400 turns/min, mixing time
20-40min。
The present invention further protects a kind of application of the coal-based methanol gasoline of above-mentioned environment-friendly type purifying.
The invention has the following beneficial effects:
1. the present invention is added to the coal-based methanol of purifying in motor petrol, the petrol power being prepared is good, tail gas
Toxic gas CO, NO in dischargexContent it is low, methanol vapor is forced down, highly-safe, while can reduce gasoline cost, economical
It is applicable in；
2. the present invention after adding according to proper ratio, facilitates methanol by addition compounding cosolvent isooctanol and tween
With dissolving each other for base gasoline, the solubility of methanol is improved, so that the structure for not having to transformation automobile engine could be used that middle high ratio
The methanol gasoline of example methanol；
3. the present invention by addition smoke elimination composition molybdenum trioxide and triisopropyl phenyl phosphate, plays the effect that eliminates smoke well
Fruit protects environment and human health so that generating few flue gas after gasoline combustion.
Detailed description of the invention
Fig. 1 is the preparation technology figure of the coal-based methanol gasoline of environment-friendly type purifying.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, the embodiment described is the embodiment of part of representative of the invention, rather than whole embodiments, this field are general
Other all embodiments obtained belong to protection of the invention to logical technical staff without making creative work
Range.
The preparation of the coal-based methanol gasoline of 1 environment-friendly type of embodiment purifying
Raw material composition:
A liquid:
20 parts of the coal-based methanol of purifying；
1 part of diphenylamines；
5 parts of benzotriazole；
AEO-31 parts of fatty alcohol polyoxyethylene ether；
B liquid:
100 parts of gasoline；
1 part of triisopropyl phenyl phosphate；
5 parts of molybdenum trioxide；
C liquid:
1 part of isooctanol；
1 part of tween；
1 part of isopropanol；
The coal-based methanol of the purifying is purified by following methods:
Step 1: dehydration: by after processed water-absorbing resin, regeneration water-absorbing resin or molecular sieve be slowly packed into glass column
It is interior, coal-based methanol is slowly injected from water-absorbing resin or molecular sieve column top with certain flow velocity with peristaltic pump, column bottom is with connecing
It receives bottle and picks up product after dehydration；
Step 2: low-carbon connects the removal of organic matter: being purified using tri-columns rectification process, the crude carbinol after water removal is added a small amount of
NaOH adjusts pH in 7-7.2, is pumped after mixing evenly into crude glycol storage tank, crude glycol preheater is got to through crude glycol pump, by steam condensate
It lifts temperature to 70 DEG C or so and enters de- ether tower；
The de- ether tower reboiler of the de- ether tower lower part uses 0.7M pa saturated vapor indirect heating liquid crude glycol, keeps
At 80 DEG C or so, tower top temperature is controlled with phegma at 80 DEG C or so temperature；
The de- ether tower condenser exhaust gas temperature control is less than 50 DEG C；
The crude carbinol specific gravity is between 0.89-0.92.
The coal-based methanol gasoline of environment-friendly type purifying is prepared according to the following steps: weighing each component in proportion, reacts to three
Successively A liquid, B liquid and C liquid in kettle, stir evenly, and A liquid, B liquid and C liquid are mixed or mix A liquid, B liquid and C liquid and is stirred
It mixes (mixing speed 200 turns/min, mixing time 20min) uniformly, obtains the coal-based methanol gasoline of environment-friendly type purifying.
The preparation of the coal-based methanol gasoline of 2 environment-friendly type of embodiment purifying
Raw material composition:
A liquid:
40 parts of the coal-based methanol of purifying；
2,6- 5 parts of methylphenol of three-level butyl -4-；
10 parts of POCA；
NP-45 parts of nonylphenol polyoxyethylene ether；
B liquid:
120 parts of gasoline；
5 parts of triisopropyl phenyl phosphate；
10 parts of molybdenum trioxide；
C liquid:
5 parts of isooctanol；
10 parts of tween；
10 parts of isopropanol；
The coal-based methanol of the purifying is purified by following methods:
Step 1: dehydration: by after processed water-absorbing resin, regeneration water-absorbing resin or molecular sieve be slowly packed into glass column
It is interior, coal-based methanol is slowly injected from water-absorbing resin or molecular sieve column top with certain flow velocity with peristaltic pump, column bottom is with connecing
It receives bottle and picks up product after dehydration；
Step 2: low-carbon connects the removal of organic matter: being purified using tri-columns rectification process, the crude carbinol after water removal is added a small amount of
NaOH adjusts pH in 7-7.2, is pumped after mixing evenly into crude glycol storage tank, crude glycol preheater is got to through crude glycol pump, by steam condensate
It lifts temperature to 70 DEG C or so and enters de- ether tower；
The de- ether tower reboiler of the de- ether tower lower part uses 0.7M pa saturated vapor indirect heating liquid crude glycol, keeps
At 80 DEG C or so, tower top temperature is controlled with phegma at 80 DEG C or so temperature；
The de- ether tower condenser exhaust gas temperature control is less than 50 DEG C；
The crude carbinol specific gravity is between 0.89-0.92.
The coal-based methanol gasoline of environment-friendly type purifying is prepared according to the following steps: weighing each component in proportion, reacts to three
Successively A liquid, B liquid and C liquid in kettle, stir evenly, and A liquid, B liquid and C liquid are mixed or mix A liquid, B liquid and C liquid and is stirred
It mixes (mixing speed 400 turns/min, mixing time 40min) uniformly, obtains the coal-based methanol gasoline of environment-friendly type purifying.
The preparation of the coal-based methanol gasoline of 3 environment-friendly type of embodiment purifying
Raw material composition:
A liquid:
25 parts of the coal-based methanol of purifying；
Four 2 parts of pentaerythritol ester of (β-(3,5- three-level butyl -4- hydroxy phenyl) propionic acid)；
6 parts of lignosulfonate；
OP-102 parts of octyl phenol polyoxyethylene ether；
B liquid:
105 parts of gasoline；
2 parts of triisopropyl phenyl phosphate；
6 parts of molybdenum trioxide；
C liquid:
2 parts of isooctanol；
3 parts of tween；
2 parts of isopropanol；
The coal-based methanol of the purifying is purified by following methods:
Step 1: dehydration: by after processed water-absorbing resin, regeneration water-absorbing resin or molecular sieve be slowly packed into glass column
It is interior, coal-based methanol is slowly injected from water-absorbing resin or molecular sieve column top with certain flow velocity with peristaltic pump, column bottom is with connecing
It receives bottle and picks up product after dehydration；
Step 2: low-carbon connects the removal of organic matter: being purified using tri-columns rectification process, the crude carbinol after water removal is added a small amount of
NaOH adjusts pH in 7-7.2, is pumped after mixing evenly into crude glycol storage tank, crude glycol preheater is got to through crude glycol pump, by steam condensate
It lifts temperature to 70 DEG C or so and enters de- ether tower；
The de- ether tower reboiler of the de- ether tower lower part uses 0.7M pa saturated vapor indirect heating liquid crude glycol, keeps
At 80 DEG C or so, tower top temperature is controlled with phegma at 80 DEG C or so temperature；
The de- ether tower condenser exhaust gas temperature control is less than 50 DEG C；
The crude carbinol specific gravity is between 0.89-0.92.
The coal-based methanol gasoline of environment-friendly type purifying is prepared according to the following steps: weighing each component in proportion, reacts to three
Successively A liquid, B liquid and C liquid in kettle, stir evenly, and A liquid, B liquid and C liquid are mixed or mix A liquid, B liquid and C liquid and is stirred
It mixes (mixing speed 300 turns/min, mixing time 30min) uniformly, obtains the coal-based methanol gasoline of environment-friendly type purifying.
The preparation of the coal-based methanol gasoline of 4 environment-friendly type of embodiment purifying
Raw material composition:
A liquid:
35 parts of the coal-based methanol of purifying；
4 parts of bi-myristoleyl；
8 parts of coloured glaze base benzothiazole；
NP-104 parts of nonylphenol polyoxyethylene ether；
B liquid:
115 parts of gasoline；
4 parts of triisopropyl phenyl phosphate；
9 parts of molybdenum trioxide；
C liquid:
4 parts of isooctanol；
7 parts of tween；
8 parts of isopropanol；
The coal-based methanol of the purifying is purified by following methods:
Step 1: dehydration: by after processed water-absorbing resin, regeneration water-absorbing resin or molecular sieve be slowly packed into glass column
It is interior, coal-based methanol is slowly injected from water-absorbing resin or molecular sieve column top with certain flow velocity with peristaltic pump, column bottom is with connecing
It receives bottle and picks up product after dehydration；
Step 2: low-carbon connects the removal of organic matter: being purified using tri-columns rectification process, the crude carbinol after water removal is added a small amount of
NaOH adjusts pH in 7-7.2, is pumped after mixing evenly into crude glycol storage tank, crude glycol preheater is got to through crude glycol pump, by steam condensate
It lifts temperature to 70 DEG C or so and enters de- ether tower；
The de- ether tower reboiler of the de- ether tower lower part uses 0.7M pa saturated vapor indirect heating liquid crude glycol, keeps
At 80 DEG C or so, tower top temperature is controlled with phegma at 80 DEG C or so temperature；
The de- ether tower condenser exhaust gas temperature control is less than 50 DEG C；
The crude carbinol specific gravity is between 0.89-0.92.
The coal-based methanol gasoline of environment-friendly type purifying is prepared according to the following steps: weighing each component in proportion, reacts to three
Successively A liquid, B liquid and C liquid in kettle, stir evenly, and A liquid, B liquid and C liquid are mixed or mix A liquid, B liquid and C liquid and is stirred
It mixes (mixing speed 300 turns/min, mixing time 30min) uniformly, obtains the coal-based methanol gasoline of environment-friendly type purifying.
The preparation of the coal-based methanol gasoline of 5 environment-friendly type of embodiment purifying
Raw material composition:
A liquid:
32 parts of the coal-based methanol of purifying；
Three 3 parts of (Lauryl Alcohol) esters；
7 parts of phosphine carboxylic acid；
AEO-73 parts of fatty alcohol polyoxyethylene ether；
B liquid:
110 parts of gasoline；
3 parts of triisopropyl phenyl phosphate；
8 parts of molybdenum trioxide；
C liquid:
3 parts of isooctanol；
5 parts of tween；
The coal-based methanol of the purifying is purified by following methods:
Step 1: dehydration: by after processed water-absorbing resin, regeneration water-absorbing resin or molecular sieve be slowly packed into glass column
It is interior, coal-based methanol is slowly injected from water-absorbing resin or molecular sieve column top with certain flow velocity with peristaltic pump, column bottom is with connecing
It receives bottle and picks up product after dehydration；
Step 2: low-carbon connects the removal of organic matter: being purified using tri-columns rectification process, the crude carbinol after water removal is added a small amount of
NaOH adjusts pH in 7-7.2, is pumped after mixing evenly into crude glycol storage tank, crude glycol preheater is got to through crude glycol pump, by steam condensate
It lifts temperature to 70 DEG C or so and enters de- ether tower；
The de- ether tower reboiler of the de- ether tower lower part uses 0.7M pa saturated vapor indirect heating liquid crude glycol, keeps
At 80 DEG C or so, tower top temperature is controlled with phegma at 80 DEG C or so temperature；
The de- ether tower condenser exhaust gas temperature control is less than 50 DEG C；
The crude carbinol specific gravity is between 0.89-0.92.
The coal-based methanol gasoline of environment-friendly type purifying is prepared according to the following steps: weighing each component in proportion, reacts to three
Successively A liquid, B liquid and C liquid in kettle, stir evenly, and A liquid, B liquid and C liquid are mixed or mix A liquid, B liquid and C liquid and is stirred
It mixes (mixing speed 300 turns/min, mixing time 30min) uniformly, obtains the coal-based methanol gasoline of environment-friendly type purifying.
Reference examples 1 according to patent ZL 201610163289.8 " a kind of coal-based alcohol ether gasoline and preparation method thereof " method
Preparation
Raw material needed for preparing production coal-based alcohol ether gasoline: volume percentage, gasoline 70%, methanol 30%, methanol are pressed
Gasoline composite additive 1%, in the compound additive for methanol gasoline, it is overall that each component accounts for the compound additive for methanol gasoline
Long-pending percent by volume is cosolvent 40%, corrosion inhibiter 20%, vapour pressure blender 20%, antioxidative stabilizer 20%；To anti-
It answers and sequentially adds cosolvent, corrosion inhibiter, vapour pressure blender, antioxidative stabilizer in kettle, be warming up to 40 DEG C；In 40 DEG C of temperature strips
Under part, reaction 2 hours is sufficiently stirred in low speed under confined conditions, and compound additive for methanol gasoline is made in filter and remove residue；By methanol vapor
Oily compound additive, methanol and gasoline mixing, obtain coal-based alcohol ether gasoline M1；Wherein, in the cosolvent, each component accounts for described
The percent by volume of cosolvent total volume be ethyl alcohol 20%, isopropanol 15%, n-butanol 15%, isobutanol 15%, acetone 20%,
Nitrobenzene 15%, in the corrosion inhibiter, the percent by volume that each component accounts for the corrosion inhibiter total volume is benzothiazole 35%, pyrazoles
Ketone 35%, castor oil 30%, in the vapour pressure blender, each component accounts for the volume basis of the vapour pressure blender total volume
Than for dimethyl ether 8%, direct steaming gasoline 46%, dimethyl carbonate 46%, in the antioxidative stabilizer, each component accounts for the antioxygen
The percent by volume for changing stabilizer total volume is petroleum ether 50%, butylated hydroxy anisole 20%, preservative 30%, the gasoline
For 93# gasoline.
Reference examples 2 according to patent ZL 201410369386.3 methanol gasoline of preparation " utilize coal base light oil " method system
It is standby
The methanol gasoline prepared using coal base light oil, the methanol gasoline by 100 parts of preparation is embodiment, first by coal base light oil
Upper distillation equipment takes≤120 DEG C of fraction (distillation component oil), and then each component is respectively 26 parts of methanol according to parts by weight, is helped
1.2 parts of solvent, 17.1 parts of national standard 90# gasoline distills 40 parts of component oil, 14.5 parts of aromatic hydrocarbons, 1.2 parts of additive, utilizes publication number
For 103706286 A of CN, invention and created name is a kind of patent of Full-automatic integrated online mixing method of methanol gasoline and diesel
Qualified finished product methanol gasoline can be obtained in the technique recorded in document.Wherein every part of cosolvent is by isobutanol, isopropanol, positive penta
Alcohol is formulated by weight 3:1:2；Every part of additive by tetrahydrofuran, MTBE, toluene be by weight 1:1:1 prepare and
At.
1 performance test of test case
The purifying of coal-based methanol gasoline and reference examples 1-2 preparation to the environment-friendly type purifying of 1-5 of embodiment of the present invention preparation
Coal-based methanol gasoline be tested for the property.Design parameter and detection method are as follows:
Standard requirements: anti-knock properties (octane number RON), detection method GB/T 5487 are not less than 93；
Standard requirements: anti-knock index (RON+MON)/2, detection method GB/T 503 are not less than 88；
Fuel methanol content (volume fraction) %, detection method GB/T 9722, standard requirements 24.75-25.25；
Density (20 DEG C)/(g/cm3), detection method GB/T 4472, standard requirements 0.730-0.760；
Lead content/(g/L), detection method GB/T 8020, standard requirements are not more than 0.0045；
Vapour pressure/(kPa), detection method GB/T 8017, standard requirements are not more than 72；
Solvent washes colloid/(mg/100mL), detection method GB/T 8019, and standard requirements are not more than 5；
Colloid/(mg/100mL), detection method GB/T 8019 are not washed, and standard requirements are not more than 20；
Sulfur content/(mg/kg), detection method GB/T 380, standard requirements are not more than 70；
Moisture (mass fraction)/%, detection method GB/T 6283, standard requirements are not more than 0.20；
It the results are shown in Table 1.
1 the performance test results of table
As seen from the above table, all preparation reaches national mark to the coal-based methanol gasoline of the environment-friendly type purifying of this law embodiment preparation
Alignment request has better performance: the higher (97.2- of octane number compared to the coal-based methanol gasoline of the purifying of reference examples 1-2 preparation
97.8), anti-knock index is higher (92.0-92.5), and vapour pressure is lower (68-71kPa), the lower (0.0010-0.0016g/ of lead content
L), sulfur content is lower (45-49mg/kg), and moisture content is lower (0.10-0.15%), while there are no mechanical admixture, clarity
It is good.It can be seen that the coal-based methanol gasoline of environment-friendly type purifying prepared by the present invention has better application value.
Those skilled in the art is not under conditions of departing from the spirit and scope of the present invention that claims determine, also
Various modifications can be carried out to the above content.Therefore the scope of the present invention is not limited in above explanation, but by
The range of claims determines.
Claims (9)
1. a kind of coal-based methanol gasoline of environment-friendly type purifying, which is characterized in that be prepared by weight by following raw material:
A liquid:
20-40 parts of the coal-based methanol of purifying；
1-5 parts of antioxidant；
5-10 parts of corrosion inhibiter；
1-5 parts of stabilizer；
B liquid:
100-120 parts of gasoline；
1-5 parts of triisopropyl phenyl phosphate；
5-10 parts of molybdenum trioxide；
C liquid:
1-5 parts of isooctanol；
1-10 parts of tween；
1-10 parts of isopropanol；
The coal-based methanol of the purifying is purified by following methods:
Step 1: dehydration: by after processed water-absorbing resin, regeneration water-absorbing resin or molecular sieve be slowly packed into glass column,
Coal-based methanol is slowly injected from water-absorbing resin or molecular sieve column top with certain flow velocity with peristaltic pump, column bottom receiving bottle
Pick up product after being dehydrated；
Step 2: low-carbon connects the removal of organic matter: being purified using tri-columns rectification process, a small amount of NaOH is added in the crude carbinol after water removal
PH is adjusted in 7-7.2, is pumped after mixing evenly into crude glycol storage tank, crude glycol preheater is got to through crude glycol pump, by steam condensate temperature raising
Enter de- ether tower to 70 DEG C or so；
The de- ether tower reboiler of the de- ether tower lower part uses 0.7M pa saturated vapor indirect heating liquid crude glycol, keeps temperature
At 80 DEG C or so, tower top temperature is controlled with phegma at 80 DEG C or so；
The de- ether tower condenser exhaust gas temperature control is less than 50 DEG C；
The crude carbinol specific gravity is between 0.89-0.92.
2. a kind of coal-based methanol gasoline of environment-friendly type purifying according to claim 1, which is characterized in that by following raw material by weight
Amount part is prepared:
A liquid:
25-35 parts of the coal-based methanol of purifying；
2-4 parts of antioxidant；
6-8 parts of corrosion inhibiter；
2-4 parts of stabilizer；
B liquid:
105-115 parts of gasoline；
2-4 parts of triisopropyl phenyl phosphate；
6-9 parts of molybdenum trioxide；
C liquid:
2-4 parts of isooctanol；
3-7 parts of tween；
2-8 parts of isopropanol.
3. a kind of coal-based methanol gasoline of environment-friendly type purifying according to claim 1, which is characterized in that by following raw material by weight
Amount part is prepared:
A liquid:
32 parts of the coal-based methanol of purifying；
3 parts of antioxidant；
7 parts of corrosion inhibiter；
3 parts of stabilizer；
B liquid:
110 parts of gasoline；
3 parts of triisopropyl phenyl phosphate；
8 parts of molybdenum trioxide；
C liquid:
3 parts of isooctanol；
5 parts of tween；
6 parts of isopropanol.
4. a kind of coal-based methanol gasoline of environment-friendly type purifying according to claim 1, which is characterized in that the antioxidant is selected from
Diphenylamines, p-phenylenediamine, dihydroquinoline, 2,6- three-level butyl -4- methylphenol, bis- (3,5- three-level butyl -4- hydroxy phenyls)
Thioether, four (β-(3,5- three-level butyl -4- hydroxy phenyl) propionic acid) pentaerythritol esters, double Lauryl Alcohol esters, bi-myristoleyl,
One or more of double octadecanol esters, three monooctyl esters, three last of the ten Heavenly stems esters, three (Lauryl Alcohol) esters and three (16 carbon alcohol) esters.
5. a kind of coal-based methanol gasoline of environment-friendly type purifying according to claim 1, which is characterized in that the corrosion inhibiter is selected from
Phosphine carboxylic acid, coloured glaze base benzothiazole, benzotriazole, lignosulfonate, POCA, poly-aspartate, mercaptobenzothiazoler, benzo three
One or more of azoles, cetylamine.
6. a kind of coal-based methanol gasoline of environment-friendly type purifying according to claim 1, which is characterized in that the stabilizer is selected from
Fatty alcohol polyoxyethylene ether AEO-3, fatty alcohol polyoxyethylene ether AEO-5, fatty alcohol polyoxyethylene ether AEO-7, fatty alcohol polyoxy
Vinethene AEO-9, nonylphenol polyoxyethylene ether NP-4, nonylphenol polyoxyethylene ether NP-6, nonylphenol polyoxyethylene ether NP-10,
One of octyl phenol polyoxyethylene ether OP-4, octyl phenol polyoxyethylene ether OP-6, octyl phenol polyoxyethylene ether OP-10 or several
Kind.
7. a kind of preparation method of the coal-based methanol gasoline of environment-friendly type purifying described in -6 any claims according to claim 1,
It is characterized in that, being prepared according to the following steps: each component is weighed in proportion, successively A liquid, B liquid and C liquid into three reaction kettles,
It stirs evenly, A liquid, B liquid and C liquid are mixed or A liquid, B liquid and C liquid is mixed evenly, obtain environment-friendly type purifying
Coal-based methanol gasoline.
8. a kind of preparation method of the coal-based methanol gasoline of environment-friendly type purifying according to claim 7, which is characterized in that described
The condition of whipping step is that mixing speed 200-400 turns/min, mixing time 20-40min.
9. a kind of application of the coal-based methanol gasoline of environment-friendly type purifying described in -6 any claims according to claim 1.
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Application publication date: 20181204 |