CN107014159A - A kind of drying equipment and method for lauryl sodium sulfate - Google Patents
A kind of drying equipment and method for lauryl sodium sulfate Download PDFInfo
- Publication number
- CN107014159A CN107014159A CN201710264616.3A CN201710264616A CN107014159A CN 107014159 A CN107014159 A CN 107014159A CN 201710264616 A CN201710264616 A CN 201710264616A CN 107014159 A CN107014159 A CN 107014159A
- Authority
- CN
- China
- Prior art keywords
- knifing
- drying
- fluidized drying
- heater
- drying system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
Abstract
The present invention relates to a kind of drying equipment and method for lauryl sodium sulfate, the equipment includes material-compound tank, heater, knifing drying system, formation system, fluidized drying system and screening system, described material-compound tank is connected by feed pump with knifing drying system, heater is provided between material-compound tank and knifing drying system, described knifing drying system is connected with formation system, described formation system is connected with fluidized drying system, and fluidized drying system is connected with screening system.Device structure of the present invention is simple, reasonable in design, dries, is molded by using feed, knifing, fluidized drying and sub-sieve cool down the technology mode combined so that energy consumption is low, technique is simple, dust is few, and the product purity produced reaches two specifications, needle-like and fine granularity.
Description
Technical field
The present invention relates to a kind of drying equipment and method for lauryl sodium sulfate, belong to dry materials technology neck
Domain.
Background technology
Lauryl sodium sulfate dries production, be primarily present that product temperature-sensitive is easily decomposed, dust is more, complex process, energy consumption it is big
Etc. various problems.
Conventional solution has two kinds at present:
The first is spray drying process, using aqueous 60-70 liquid lauryl sodium sulfate atomization drying, needed for drying
Temperature it is higher so that high energy consumption, waste gas is more, and yield is also little, and the part sticked in tower wall is easily decomposed, into stain,
Cycle is short, while being vented after tail gas spray washing, sewage is more, easily pollutes environment.
Second is knifing seasoning, and this method micro-negative pressure operation, product knifing cools down after drying and is pressed into sheet, then into
Type, vibrations fluid bed cooling etc., technique is complex, and production site dust is more.
But the above method still can not solve these problems well.
The content of the invention
It is an object of the invention to:For the defect of prior art, it is proposed that a kind of for the dry of lauryl sodium sulfate
Dry device and method, the device structure is simple, reasonable in design, is dried, is molded using knifing, fluidized drying and sub-sieve are cooled down
With reference to mode, energy consumption is low, and technique is simple, and dust is few, and the product purity produced reaches two specifications, needle-like and little particle
Shape.
The technical solution adopted in the present invention is:A kind of drying equipment for lauryl sodium sulfate, including material-compound tank,
Heater, knifing drying system, formation system, fluidized drying system and screening system, described material-compound tank by feed pump with
Knifing drying system is connected, and heater, described knifing drying system and shaping are provided between material-compound tank and knifing drying system
System is connected, and described formation system is connected with fluidized drying system, and fluidized drying system is connected with screening system;It is wherein described
Knifing drying system include luwa evaporator, the charging aperture of the luwa evaporator is connected with feed pump by heater, scraped
The side of film evaporator is provided with upper bleeding point and lower pumping mouthful, the bottom access formation system of luwa evaporator;Described shaping
System includes dry feed storehouse and Squeezinggranulator, and one end of the Squeezinggranulator is connected with dry feed storehouse, the other end and
Fluidized drying system is connected;Described fluidized drying system includes wind heater, fluidized drying pipe, filter and pumping blower fan,
One end of the fluidized drying pipe is connected with wind heater, and the other end is connected with filter, described filter connection pumping wind
Machine;Described screening system includes reciprocating sieve and feed bin, and the upper end of the reciprocating sieve passes through star-shaped feeder and fluidized drying system
The filter connection of system, the other end is connected with feed bin, wherein described vibratory sieve is provided with negative-pressure air-suction machine.
In the present invention:Described upper bleeding point and lower pumping mouth are connected with condenser, condenser and upper bleeding point, under take out
It is connected between gas port by air intake duct, the condensate liquid that the top of the condenser is provided with Negative pressure machine, the condenser is directly arranged
Into cesspool.
In the present invention:The reciprocating sieve is respectively connected to feed bin one and feed bin two provided with three outlets, two of which outlet,
Defective work is recovered in the dry feed storehouse of formation system by the 3rd outlet by recovery channel.
In the present invention:The fluidized drying pipe front end, which is provided with before head tank, the head tank, is provided with wind heater.
A kind of drying means for lauryl sodium sulfate, comprises the following steps:
(1)Feed:By the surfactant paste that water content in material-compound tank is 15-45%, heater is delivered to by feed pump
45-125 DEG C of preheating, is dried to luwa evaporator;
(2)Knifing is dried:The scraper plate rotated by the high speed of knifing drier is bonded at material scraper film-like in knifing drier
Wall, the steam that the chuck of knifing drier uses 0.05-0.3MPa makes moisture evaporation, obtains moisture 1-10% thing as thermal source
Material;Water, a small amount of dust and the portion of air wherein vaporized is most of by upper bleeding point, enters at least partially through lower pumping mouthful
Enter in condenser, after condensation, waste gas is vented using Negative pressure machine;
(3)Shaping:Dried high-temperature material falls into dry feed storehouse, is then molded using Squeezinggranulator, big into surface area
Fine strip shape, the general 0.6-1.2mm of diameter;
(4)Fluidized drying:Fine strip shape material after shaping passes through feeder, and the hot blast temperature of wind heater mixes for 30-100 DEG C
Close and pass through fluidized drying pipe, because fine strip shape material table area is larger, rate of heat exchange is fast, dry it is rapid, gas through filter and
Blower fan emptying is evacuated, material is through star-shaped feeder to next workshop section;
(5)Sub-sieve is cooled down:The material terminated is dried, vibratory sieve is fallen into, because temperature of charge is higher, using negative-pressure air-suction machine in vibration
Material is cooled to 30-50 DEG C in sieve, it is different further according to granular size, it is sub-sieved into fine grained product feeding warehouse one and elongated piece
Feeding warehouse two, substandard product is returned in dry feed storehouse.
After adopting the above technical scheme, beneficial effects of the present invention are:Device structure of the present invention is simple, design is closed
Reason, dries by using knifing, is molded, fluidized drying and sub-sieve cool down the technology mode combined so that energy consumption is low, technique
Simply, dust is few, and the product purity produced reaches two specifications, needle-like and fine granularity.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure:1st, material-compound tank;2nd, feed pump;3rd, heater;4th, luwa evaporator;5th, dry feed storehouse;6th, extruder grain
Machine;7th, wind heater;8th, fluidized drying pipe;9th, filter;10th, it is evacuated blower fan;11st, star-shaped feeder;12nd, vibratory sieve;13rd, expect
Storehouse one;14th, feed bin two;15th, upper bleeding point;16th, lower pumping mouthful;17th, recovery channel;18th, negative-pressure air-suction machine;41st, air intake duct;
42nd, condenser;43rd, Negative pressure machine;61st, feeder.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As seen from Figure 1, a kind of drying equipment for lauryl sodium sulfate, including material-compound tank 1, heater 3, knifing are dry
Drying system, formation system, fluidized drying system and screening system, described material-compound tank 1 pass through feed pump 2 and knifing drying system
It is connected, heater 3 is provided between material-compound tank 1 and knifing drying system, described knifing drying system is connected with formation system, institute
The formation system stated is connected with fluidized drying system, and fluidized drying system is connected with screening system;Wherein described knifing is dried
System includes luwa evaporator 4, and the charging aperture of the luwa evaporator 4 is connected by heater 3 with feed pump 2, wiped film vaporization
The side of device 4 is connected with condenser provided with upper bleeding point 15 and lower pumping mouthful 16, described upper bleeding point 15 and lower pumping mouthful 16
42, it is connected between condenser 42 and upper bleeding point 15, lower pumping mouthful 16 by air intake duct 41, the top of the condenser 42 is provided with
Condensate liquid in Negative pressure machine 43, the condenser 42 is exhausted directly in cesspool, the bottom access shaping system of luwa evaporator 4
System;Described formation system includes dry feed storehouse 5 and Squeezinggranulator 6, one end of the Squeezinggranulator 6 and dry feed
Storehouse 5 is connected, and the other end is connected with fluidized drying system;Described fluidized drying system include wind heater 7, fluidized drying pipe 8,
Filter 9 and pumping blower fan 10, one end of the fluidized drying pipe 8 are connected with wind heater 7, and the other end is connected with filter 9,
The described connection pumping blower fan 10 of filter 9;Described screening system include reciprocating sieve 12 and feed bin, the reciprocating sieve 12 it is upper
End is connected by star-shaped feeder 11 with the filter 9 of fluidized drying system, and the other end is connected with feed bin, and described feed bin includes
Feed bin 1 and feed bin 2 14;Wherein described vibratory sieve 12 is provided with negative-pressure air-suction machine 18.The reciprocating sieve 12 is provided with three
Outlet, two of which outlet is respectively connected to feed bin 1 and feed bin 2 14, and the 3rd outlet passes through recovery channel 17 by defective work
It is recovered in the dry feed storehouse 5 of formation system.The front end of fluidized drying pipe 8 is provided with before head tank 61, the head tank 61
Provided with wind heater 7.
A kind of drying means for lauryl sodium sulfate, comprises the following steps:
(1)Feed:By the surfactant paste that water content in material-compound tank 1 is 15-45%, heating is delivered to by feed pump 2
Device 3 preheats 45-125 DEG C, is dried to luwa evaporator 4;
(2)Knifing is dried:Material scraper film-like is bonded at knifing drier 4 by the scraper plate rotated by the high speed of knifing drier 4
Inwall, the steam that the chuck of knifing drier 4 uses 0.05-0.3MPa makes moisture evaporation, obtains moisture 1-10% as thermal source
Material;Water, a small amount of dust and the portion of air wherein vaporized is most of by upper bleeding point 15, is taken out under
Gas port 16 enters in condenser 42, and after condensation, waste gas is vented using Negative pressure machine 43;
(3)Shaping:Dried high-temperature material falls into dry feed storehouse 5, is then molded using Squeezinggranulator 6, into surface area
Big fine strip shape, the general 0.6-1.2mm of diameter;
(4)Fluidized drying:Fine strip shape material after shaping passes through feeder 61, and the hot blast temperature of wind heater 7 is 30-100
DEG C mixing is by fluidized drying pipe 8, and because fine strip shape material table area is larger, rate of heat exchange is fast, dries rapid, and gas is through filtering
Device 9 and pumping blower fan 10 are vented, and material arrives next workshop section through star-shaped feeder 11;
(5)Sub-sieve is cooled down:The material terminated is dried, vibratory sieve 12 is fallen into, because temperature of charge is higher, is existed using negative-pressure air-suction machine 18
Material is cooled to 30-50 DEG C in vibratory sieve 12, it is different further according to granular size, it is sub-sieved into the He of fine grained product feeding warehouse 1
Elongated piece feeding warehouse 2 14, substandard product is returned in dry feed storehouse 5.
The embodiment to the present invention is described above, but the present invention is not limited to above description.For this
For the technical staff in field, any equal modifications and substitutions to the technical program are all within the scope of the invention.Cause
This, the impartial conversion and modification made without departing from the spirit and scope of the invention all should be contained within the scope of the invention.
Claims (5)
1. a kind of drying equipment for lauryl sodium sulfate, it is characterised in that:Dried including material-compound tank, heater, knifing
System, formation system, fluidized drying system and screening system, described material-compound tank pass through feed pump and knifing drying system phase
Even, heater is provided between material-compound tank and knifing drying system, described knifing drying system is connected with formation system, described
Formation system is connected with fluidized drying system, and fluidized drying system is connected with screening system;
Wherein described knifing drying system includes luwa evaporator, and the charging aperture of the luwa evaporator is by heater with entering
Expect that pump is connected, the side of luwa evaporator is provided with upper bleeding point and lower pumping mouthful, the bottom access formation system of luwa evaporator;
Described formation system includes dry feed storehouse and Squeezinggranulator, one end and the dry feed storehouse of the Squeezinggranulator
Connection, the other end is connected with fluidized drying system;
Described fluidized drying system includes wind heater, fluidized drying pipe, filter and pumping blower fan, the fluidized drying pipe
One end be connected with wind heater, the other end is connected with filter, described filter connection pumping blower fan;
Described screening system includes reciprocating sieve and feed bin, and the upper end of the reciprocating sieve passes through star-shaped feeder and fluidized drying system
The filter connection of system, the other end is connected with feed bin, wherein described vibratory sieve is provided with negative-pressure air-suction machine.
2. a kind of drying equipment for lauryl sodium sulfate according to claim 1, it is characterised in that:Described is upper
Bleeding point and lower pumping mouth are connected with condenser, are connected between condenser and upper bleeding point, lower pumping mouthful by air intake duct, described
The condensate liquid that the top of condenser is provided with Negative pressure machine, the condenser is exhausted directly in cesspool.
3. a kind of drying equipment for lauryl sodium sulfate according to claim 1, it is characterised in that:The vibrations
Sieve is provided with three outlets, and two of which outlet is respectively connected to feed bin one and feed bin two, and the 3rd outlet will not conformed to by recovery channel
Lattice product are recovered in the dry feed storehouse of formation system.
4. a kind of drying equipment for lauryl sodium sulfate according to claim 1, it is characterised in that:The fluidisation
Drying tube front end, which is provided with before head tank, the head tank, is provided with wind heater.
5. a kind of drying means for lauryl sodium sulfate, it is characterised in that:Comprise the following steps:
(1)Feed:By the surfactant paste that water content in material-compound tank is 15-45%, heater is delivered to by feed pump
45-125 DEG C of preheating, is dried to luwa evaporator;
(2)Knifing is dried:The scraper plate rotated by the high speed of knifing drier is bonded at material scraper film-like in knifing drier
Wall, the steam that the chuck of knifing drier uses 0.05-0.3MPa makes moisture evaporation, obtains moisture 1-10% thing as thermal source
Material;Water, a small amount of dust and the portion of air wherein vaporized is most of by upper bleeding point, enters at least partially through lower pumping mouthful
Enter in condenser, after condensation, waste gas is vented using Negative pressure machine;
(3)Shaping:Dried high-temperature material falls into dry feed storehouse, is then molded using Squeezinggranulator, big into surface area
Fine strip shape, the general 0.6-1.2mm of diameter;
(4)Fluidized drying:Fine strip shape material after shaping passes through feeder, and the hot blast temperature of wind heater mixes for 30-100 DEG C
Close and pass through fluidized drying pipe, because fine strip shape material table area is larger, rate of heat exchange is fast, dry it is rapid, gas through filter and
Blower fan emptying is evacuated, material is through star-shaped feeder to next workshop section;
(5)Sub-sieve is cooled down:The material terminated is dried, vibratory sieve is fallen into, because temperature of charge is higher, using negative-pressure air-suction machine in vibration
Material is cooled to 30-50 DEG C in sieve, it is different further according to granular size, it is sub-sieved into fine grained product feeding warehouse one and elongated piece
Feeding warehouse two, substandard product is returned in dry feed storehouse.
Priority Applications (1)
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CN201710264616.3A CN107014159B (en) | 2017-04-21 | 2017-04-21 | A kind of drying equipment and method for lauryl sodium sulfate |
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CN201710264616.3A CN107014159B (en) | 2017-04-21 | 2017-04-21 | A kind of drying equipment and method for lauryl sodium sulfate |
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CN107014159A true CN107014159A (en) | 2017-08-04 |
CN107014159B CN107014159B (en) | 2019-09-17 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108546240A (en) * | 2018-04-11 | 2018-09-18 | 上海奥威日化有限公司 | It is used to prepare the K12 precursor compositions of K12 dried objects |
CN113028740A (en) * | 2021-04-29 | 2021-06-25 | 江苏优扬药业有限公司 | Low-temperature drying device and method for pharmaceutic adjuvant |
Citations (3)
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CN102764515A (en) * | 2012-07-18 | 2012-11-07 | 湖南丽臣实业股份有限公司 | Drying method and drying device of anionic surfactant |
CN105413210A (en) * | 2015-12-30 | 2016-03-23 | 江苏丰益化工科技有限公司 | Drying device used for powdery surfactant and drying method |
CN205253044U (en) * | 2015-12-30 | 2016-05-25 | 江苏丰益化工科技有限公司 | Continuous granulation system of high -load thermal sensitivity surface -activeagent |
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2017
- 2017-04-21 CN CN201710264616.3A patent/CN107014159B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102764515A (en) * | 2012-07-18 | 2012-11-07 | 湖南丽臣实业股份有限公司 | Drying method and drying device of anionic surfactant |
CN105413210A (en) * | 2015-12-30 | 2016-03-23 | 江苏丰益化工科技有限公司 | Drying device used for powdery surfactant and drying method |
CN205253044U (en) * | 2015-12-30 | 2016-05-25 | 江苏丰益化工科技有限公司 | Continuous granulation system of high -load thermal sensitivity surface -activeagent |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108546240A (en) * | 2018-04-11 | 2018-09-18 | 上海奥威日化有限公司 | It is used to prepare the K12 precursor compositions of K12 dried objects |
CN113028740A (en) * | 2021-04-29 | 2021-06-25 | 江苏优扬药业有限公司 | Low-temperature drying device and method for pharmaceutic adjuvant |
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