CN105254540B - Preparation method and device for powdery fatty acid methyl ester sodium sulfonate - Google Patents
Preparation method and device for powdery fatty acid methyl ester sodium sulfonate Download PDFInfo
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- CN105254540B CN105254540B CN201510727916.1A CN201510727916A CN105254540B CN 105254540 B CN105254540 B CN 105254540B CN 201510727916 A CN201510727916 A CN 201510727916A CN 105254540 B CN105254540 B CN 105254540B
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Abstract
The invention relates to a preparation method and device for powdery fatty acid methyl ester sodium sulfonate. The invention aims at providing the method capable of realizing the MES granularity basically identical to that of washing powder. The device has the characteristic of a simple and compact structure. The preparation method for powdery fatty acid methyl ester sodium sulfonate has the technical scheme that the preparation method for powdery fatty acid methyl ester sodium sulfonate is carried out according to the following steps that (1) water-containing MES materials are conveyed to an atomizer to be dried; (2) a powder body enters a cooling section, is cooled by cold air and is then discharged from the bottom of a tower; (3) a powdery fatty acid methyl ester sodium sulfonate product is obtained. The preparation device of the powder fatty acid methyl ester sodium sulfonate comprises a cyclone separator, a cloth bag dust remover and a drying tower, wherein the atomizer is arranged between a sedimentation section and a drying section; a plurality of hot air inlets are formed between the drying section and a cooling section; exhaust openings are sequentially communicated with the cyclone separator and the cloth bag separator; the bottom of the cooling section is provided with a cold air inlet; the bottom end of the cooling section is also sequentially communicated with a fluidized bed, a crushing machine and a powder cabin through pipelines.
Description
Technical field
The present invention relates to a kind of heated-air drying prepares the method and device of powdered fat acid methyl ester sulfonate.
Background technology
Methyl sodiosul foaliphatate (Sodium Fatty Acid Methyl Ester sulfonate abbreviation MES) be with
Palm oil is raw material, obtains fatty acid methyl ester through ester exchange, hydrogenation, then obtains through sulfonation, resterification, neutralization step
The new nonionic surfactant of one function admirable.
MES has detergency good, gentle, nontoxic and to the low advantage of human body excitant, and without phosphorus characteristic is better than oil
Base product, in the all-round popularization period of current non-phosphate detergent, MES is particularly well-suited to produce without phosphorus and low-phosphorous environment-friendly type washing
Articles for use, particularly non-phosphide detergent.But in MES structures, there is C-O-C ester bonds, the easily soap under conditions of alkalescence, water are present
Change is hydrolyzed into the water-soluble and poor sodium soap sodium sulfonate of detergency (abbreviation disodium salt)；Proportioning process before current washing powder
In, the alkaline assistants such as sodium silicate, sodium carbonate, 4A zeolites are widely used to improve washing powder combination property, therefore in MES washing powder
MES cannot be directly used in front proportioning process.It is at present more using rear with technique, i.e., first prepare washing powder original washing powder and MES respectively
Powder, obtains the washing powder containing MES by rear with mix.But the alkyl carbon chain of commercialization MES lipophilic groups is with ten six carbon atoms
Based on 18 carbon atoms, its fusing point is at molten condition more than 45 DEG C at 43 DEG C or so, easily bonds blocking, needs
Will be by special disintegrating process ability powder product.Such as, described in CN1931987A, by dried sheet MES by cold
Jelly process, then crushes, sieving obtains powdery MES, for dispensing after washing powder.But also there are two sides for washing powder in the product
The problem in face：1st, the particle that the disintegrating process is obtained is inconsistent with laundry powder particles, uneven problem easily occurs, causes product
Quality fluctuation is big；2nd, the krafft points of MES higher (about at 25 DEG C), easily occurs when cold water is washed, and washing has been completed but white
Graininess MES is also attached on the undissolved situation of clothing, affects clean result.
The content of the invention
The technical problem to be solved is to overcome the shortcomings of above-mentioned background technology, there is provided prepared by a kind of heated-air drying
The method and device of powdery MES, obtained in methods described, MES granularities should be basically identical with washing powder, to improve washing powder product
The stability of product, and powdered granule is the hollow shape of good fluidity, so that specific surface area during dissolving is greatly increased, hence it is evident that change
The dissolubility of kind MES powders, effectively plays the clean result of product；Described device should have simple and compact for structure, cost relatively low
The characteristics of.
The present invention provide technical scheme be：
A kind of preparation method of powdered fat acid methyl ester sulfonate, is carried out according to the following steps：
1) aqueous MES materials are delivered to atomizer after preheating, and subsequently entering drying tower carries out counter-current drying；
2) dried powder enters the cooling section of drying tower bottom, is discharged from bottom of towe after cold front heavy rain；
The hot blast of dried material then proceedes to sequentially enter whirlwind upwards from the top of drying tower then upwardly through settling section
Empty after separator, sack cleaner；The powder carried secretly by hot blast is by settling back into dryer section；
3) material of bottom of towe output is further cooled down through fluid bed, and then cold wind is delivered to high speed beater grinder, with
Further single-size degree, then delivers into powder cabin, obtains powdered fat acid methyl ester sulfonate product after packaging；
In described aqueous MES materials, MES contents are 30～70%.
The step 1) in preheating temperature be 50 DEG C～75 DEG C；Preheating method is that coil pipe is heated or jacket type heating.
The step 2) in hot blast temperature be 150 DEG C～275 DEG C.
The MES liquid particle diameter of the atomizer output is 1.5～2.5mm.
The step 3) in cold wind temperature be less than 35 DEG C.
A kind of preparation facilities of powdered fat acid methyl ester sulfonate, including cyclone separator, sack cleaner；Its feature exists
In the device also including a drying tower for standing and from top to bottom arranging settling section, dryer section and cooling section, the settling section
Atomizer with several material inlets is set and dryer section between, is provided between the dryer section and cooling section some
Individual hot wind inlet, the exhaust outlet that the settling section top is arranged are sequentially communicated described cyclone separator and sack cleaner；
The bottom of the cooling section is provided with cold wind import, the bottom of cooling section also by pipeline be sequentially communicated fluid bed, pulverizer with
And powder cabin.
Described several material inlets are circular layout in the circumferencial direction of atomizer.
Described several hot wind inlets are circular layout in the circumferencial direction of dryer section.
The cold wind is prepared by cooling circulating water, and temperature is less than 35 DEG C.
The pulverizer is high speed beater grinder.
The present invention prominent effect compared with prior art and advantage are：
1) the powdery MES product appearances that prepared by the present invention are uniform in size, and the atomization such as granularity is consistent with washing powder, after
Washing powder is used in, is distributed in washing powder, it is to avoid the powder of Jing mechanical crushings ratio uniform that can be according to actual needs
Grain size inequality causes the problem of unstable product quality, improves washing powder product quality stability.
2) powdery MES products prepared by the present invention are hollow bead, and specific surface area during dissolving greatly increases, MES powders
Dissolubility improve more than 30%, effectively play the cleaning function of its product.
3) drying tower of the employing hot blast that the present invention is provided for MES product performances, not only realizes the drying of MES, cold
But section can quickly cool down material, it is ensured that when after being dried, powdery MES goes out drier, temperature keeps solid-state less than 40 DEG C, non-caked
Together, maintain dried grain shape；While guaranteeing particle shape using the cold wind conveying less than 35 DEG C, prevent not
With during Seasonal Production as air moisture change causes the change of product moisture content.The use of high speed beater grinder, it is ensured that
Granularity it is further uniform.And the material that settling section is carried secretly in can enabling dried hot blast tail gas is reduced as far as possible, increase
Plus product yield.Additionally, hot blast temperature can be adjusted by multiple means, the applicability of technique is enhanced, it is also possible to for which
The drying of his surfactant.
4) device that the present invention is provided, simple and compact for structure, cost of manufacture is relatively low, also helps regular maintenance.
Description of the drawings
Fig. 1 is the structural representation of the process units that the present invention prepares powdered fat acid methyl ester sulfonate.
Specific embodiment
In the preparation facilities that the present invention is provided, drying tower (i.e. heated-air drying tower) is designed to three work(from top to bottom arranged
Can section, i.e. settling section 3, dryer section 4, cooling section 5.Dryer section mainly realizes the drying of MES materials, and dried MES moisture contains
Amount is less than 3%, and falls to cooling section under gravity；Cooling section can quickly cool down material, it is ensured that powdery MES after being dried
When going out drying tower temperature be less than 40 DEG C, keep solid-state, it is non-caked together；Designed settling section, makes dried hot blast tail
The material carried secretly in gas can be reduced as far as possible, increase product yield；Hot blast tail gas up after the exhaust outlet on settling section top,
Pass sequentially through cyclone separator 2 and sack cleaner 1 is emptied again.
The material inlet designs multiple material inlets so that production capacity is easy between the settling section of drying tower and dryer section
In regulation.Material inlet is circular layout on atomizer (also known as material atomizer), and the atomizer is that compressed air or steam are helped
Spray secondary atomizing apparatus (being existing maturing appts), it is ensured that the MES liquid particle diameter into drying tower can be carried in 1.5～2.5mm
The high effect being dried.
The hot wind inlet is being dried pars infrasegmentalis, and cooling section top is designed as the multiple air inlets being circular layout, makes hot blast
Can be uniformly distributed into after drying tower.Hot blast temperature can pass through hot blast temperature controller or control into drying tower hot blast and
The various ways such as cold and hot flow proportional are adjusted.
The cold wind import is cooled down with powder counter current contacting in cooling section bottom, is conducive to improving cooling effectiveness.
Through the powdery MES of the drying of cooling section cooling, finally export from the bottom of cooling section and sequentially pass through fluid bed
6th, pulverizer 7 and powder cabin 8, realize discharging.
The present invention is described in detail below in conjunction with specific embodiment, but the invention is not restricted to following examples.
Embodiment 1
The material of MES contents 30%, is preheated to temperature 50 C～60 DEG C with spiral heater, is delivered to atomizer with pump,
The dryer section of drying tower is entered by atomizer atomization；The hot blast that 200 DEG C～250 DEG C of temperature passes through the multiple imports being circular layout
Into after drying tower, with atomization, material counter current contacting is dried；After drying, material is downwardly into the cooling section of drying tower, with drying tower
The temperature that bottom is come in is 25 DEG C～30 DEG C cold wind contacts, is quickly cooled to temperature≤39 DEG C, and material continues downward, from drying tower
Bottom is out entered fluid bed and is further cooled to below 28 DEG C, and then cold wind is delivered to high speed beater grinder, obtains powdery
MES, moisture：2.8%, apparent density：269g/L.
Embodiment 2
The material of MES contents 55%, is preheated to 55 DEG C～65 DEG C of temperature with jacket type heater, is delivered to atomization with pump
Device, enters the dryer section of drying tower by atomizer atomization；The hot blast that 170 DEG C～210 DEG C of temperature is multiple by what is be circular layout
Import enters drying tower, with atomization after material counter current contacting be dried；After drying, material is downwardly into the cooling section of drying tower, and dry
The temperature that dry tower bottom is come in is 20 DEG C of cold wind contacts, is quickly cooled to temperature less than 30 DEG C, and material continues downward, from drying tower
Bottom is out entered fluid bed and is cooled further to temperature less than 25 DEG C, and then cold wind is delivered to high speed beater grinder, obtains powder
Shape MES, moisture：2.2%, apparent density：356g/L.
Embodiment 3
The material of MES contents 70%, is preheated to 65 DEG C～75 DEG C of temperature with spiral heater, the material of MES contents 30%,
Atomizer is delivered to pump, the dryer section of drying tower is entered by atomizer atomization；The hot blast that 180 DEG C～230 DEG C of temperature passes through
The multiple imports being circular layout enter drying tower, with atomization after material counter current contacting be dried；After drying, material is downwardly into drying
The cooling section of tower, contacts for 15 DEG C of cold wind with the temperature that tower bottom comes in is dried, and is quickly cooled to temperature less than 28 DEG C, material after
It is continuous downward, temperature is cooled further to less than 20 DEG C from being dried tower bottom and out entering fluid bed, then cold wind is delivered to pulverizer,
Obtain powdery MES, moisture：1.5%, apparent density：371g/L.
Claims (8)
1. a kind of preparation method of powdered fat acid methyl ester sulfonate, is carried out according to the following steps：
1) aqueous MES materials are delivered to atomizer after preheating, and subsequently entering drying tower carries out counter-current drying；
2) dried powder enters the cooling section of drying tower bottom, is discharged from bottom of towe after cold front heavy rain；
The hot blast of dried material then proceedes to sequentially enter cyclonic separation upwards from the top of drying tower then upwardly through settling section
Empty after device, sack cleaner；The powder carried secretly by hot blast is by settling back into dryer section；
3) material of bottom of towe output is further cooled down through fluid bed, and then cold wind is delivered to high speed beater grinder, to enter one
Step single-size degree, then delivers into powder cabin, obtains powdered fat acid methyl ester sulfonate product after packaging；
In described aqueous MES materials, MES contents are 30～70%.
2. the preparation method of powdered fat according to claim 1 acid methyl ester sulfonate, it is characterised in that：The step 1)
In preheating temperature be 50 DEG C～75 DEG C；Preheating method is that coil pipe is heated or jacket type heating.
3. the preparation method of powdered fat according to claim 1 acid methyl ester sulfonate, it is characterised in that：The step 2)
In hot blast temperature be 150 DEG C～275 DEG C.
4. the preparation method of the sour methyl ester sulfonate of powdered fat according to Claims 2 or 3, it is characterised in that：The step
It is rapid 3) in cold wind temperature be less than 35 DEG C.
5. the preparation facilities of a kind of powdered fat acid methyl ester sulfonate, including cyclone separator (2), sack cleaner (1)；Which is special
Levy is that the device also includes a drying for standing and from top to bottom arranging settling section (3), dryer section (4) and cooling section (5)
Tower, arranges the atomizer with several material inlets, the dryer section and cooling section between the settling section and dryer section
Between be provided with several hot wind inlets, the exhaust outlet that the settling section top is arranged be sequentially communicated described cyclone separator with
And sack cleaner；The bottom of the cooling section is provided with cold wind import, and the bottom of cooling section is also sequentially communicated stream by pipeline
Change bed (6), pulverizer (7) and powder cabin (8).
6. the preparation facilities of powdered fat according to claim 5 acid methyl ester sulfonate, it is characterised in that：It is described several
Material inlet is circular layout in the circumferencial direction of atomizer.
7. the preparation facilities of powdered fat according to claim 6 acid methyl ester sulfonate, it is characterised in that：It is described several
Hot wind inlet is circular layout in the circumferencial direction of dryer section.
8. the preparation facilities of powdered fat according to claim 7 acid methyl ester sulfonate, it is characterised in that：The cold wind leads to
Prepared by supercooling recirculated water, temperature is less than 35 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510727916.1A CN105254540B (en) | 2015-10-30 | 2015-10-30 | Preparation method and device for powdery fatty acid methyl ester sodium sulfonate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510727916.1A CN105254540B (en) | 2015-10-30 | 2015-10-30 | Preparation method and device for powdery fatty acid methyl ester sodium sulfonate |
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| Publication Number | Publication Date |
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| CN105254540A CN105254540A (en) | 2016-01-20 |
| CN105254540B true CN105254540B (en) | 2017-03-22 |
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| CN201510727916.1A Expired - Fee Related CN105254540B (en) | 2015-10-30 | 2015-10-30 | Preparation method and device for powdery fatty acid methyl ester sodium sulfonate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108727233B (en) * | 2018-07-27 | 2024-02-27 | 赞宇科技集团股份有限公司 | Dry forming process and device for improving low-temperature solubility of alpha-sodium methyl sulfopalmitate |
| CN108889236B (en) * | 2018-07-27 | 2024-02-23 | 赞宇科技集团股份有限公司 | Drying and forming process and device for fatty acid methyl ester sodium sulfonate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811994A (en) * | 2010-05-12 | 2010-08-25 | 中轻化工股份有限公司 | Method for continuously drying sodium aliphatic alcohol sulfate and sodium olefin sulfonate slurry |
| CN103012220A (en) * | 2012-12-17 | 2013-04-03 | 嘉兴赞宇科技有限公司 | Method for preparing powdery Alpha-olefin sulfonate and preparation device |
| CN103820253A (en) * | 2014-02-12 | 2014-05-28 | 浙江赞宇科技股份有限公司 | Process and device for continuously preparing powdery MES (fatty acid methyl ester sulfonate) particles |
| CN205133469U (en) * | 2015-10-30 | 2016-04-06 | 嘉兴赞宇科技有限公司 | Preparation facilities of likepowder fatty acid methyl ester sodium sulfonate |
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- 2015-10-30 CN CN201510727916.1A patent/CN105254540B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811994A (en) * | 2010-05-12 | 2010-08-25 | 中轻化工股份有限公司 | Method for continuously drying sodium aliphatic alcohol sulfate and sodium olefin sulfonate slurry |
| CN103012220A (en) * | 2012-12-17 | 2013-04-03 | 嘉兴赞宇科技有限公司 | Method for preparing powdery Alpha-olefin sulfonate and preparation device |
| CN103820253A (en) * | 2014-02-12 | 2014-05-28 | 浙江赞宇科技股份有限公司 | Process and device for continuously preparing powdery MES (fatty acid methyl ester sulfonate) particles |
| CN205133469U (en) * | 2015-10-30 | 2016-04-06 | 嘉兴赞宇科技有限公司 | Preparation facilities of likepowder fatty acid methyl ester sodium sulfonate |
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