CN101787397B - Icing sugar spray drying system with high DE value - Google Patents
Icing sugar spray drying system with high DE value Download PDFInfo
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- CN101787397B CN101787397B CN2010101202765A CN201010120276A CN101787397B CN 101787397 B CN101787397 B CN 101787397B CN 2010101202765 A CN2010101202765 A CN 2010101202765A CN 201010120276 A CN201010120276 A CN 201010120276A CN 101787397 B CN101787397 B CN 101787397B
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Abstract
The invention discloses an icing sugar spray drying system with a high DE value, which consists of a feeding part, an atomizing part, a drying part and an air supply part; a sizing agent obtained from pretreatment is thrown into a stock chest, the stock chest is connected with the feeding part, the feeding part conveys syrup to the atomizing part, then the syrup enters the drying part after being atomized by the atomizing part, and dry and hot wind is sent to the drying part by the air supply part; the syrup evaporated moisture content at the drying part enters the stage of product package after whirl wind separation; as the icing sugar has lower softening point (about 50 DEG C) and strong hygroscopicity, the icing sugar is soften to stick on the wall if the temperature of the tower wall is too high, while the icing sugar reaches the dew point to stick on the wall if the temperature of the tower wall is too low, therefore, a jacket is utilized to control the temperature of the tower wall, the entering air temperature is controlled at 120-140 DEG C, and the leaving air temperature is controlled at 65-75 DEG C, thus being capable of preventing the icing powder from sticking on the wall.
Description
Technical field
The present invention relates to a kind of xylose powder spray drying system.
Background technology
In the prior art, the spray drying system of Icing Sugar is made up of feeding part, spraying part, drying nest, air-supply part, Icing Sugar transport portion.Squeeze into the stock chest from the slurry that pre-treatment comes; Stock chest partly links to each other with feeding; The feeding part is given the spraying part with syrup delivery, behind the spraying partly atomized, gets into drying nest; By the air-supply part hot dry wind is delivered to drying nest, the Icing Sugar behind the drying nest transpiring moisture is carried the last product encapsulation that gets into by the Icing Sugar transport portion.The general screw pump that uses of feeding part; The spraying part is a high speed centrifugation atomizer, and the drying nest main body is a drying tower, and the upper design of tower has hot-air distributor; Hot-air distributor divides with air supplying part and links to each other; The air supplying part branch comprises that blower fan, dehumidifier, air cleaner, heater constitute, and the hot dry wind that air supplying part dispenses out is divided into two-way, and wherein one the tunnel links to each other with hot-air distributor.In drying tower, be designed with the gas sweeping device, the gas sweeping device is the air loop duct of design at the top, and the airduct bottom has venthole, and airduct links to each other with air dehumidifier, and air dehumidifier is made up of dehumidifier, air cleaner, blower fan; Air dehumidifier output dehumidified air links to each other with airduct.Icing Sugar is sent to cyclone separator through pipeline, and Icing Sugar is settled down to the bottom in cyclone separator; Packed after the Icing Sugar sedimentation, residue contains the emptying through the cyclone separator top is delivered to sprayer-washer to remove dust by air-introduced machine after of Icing Sugar gas.
The defective that existing centrifugal spray drying equipment exists:
1, existing centrifugal spray drying device cooling system is not ideal enough, causes in the tower temperature higher, and the tower wall temperature can not be controlled, thereby makes equipment can only accomplish the spray of the higher material of softening point, so conventional equipment can only be handled the DE value less than 42 Icing Sugar.And the spray of high DE value (referring generally to DE is between 42 and 75) Icing Sugar needs temperature and tower wall temperature in the strict control tower, so this adopts the chuck water-cooled fully; Temperature is adjustable; Wall temperature is balanced, can guarantee that the water evaporates in the Icing Sugar is thorough, can prevent the softening sticking wall of Icing Sugar again preferably.
2, the air inlet of existing centrifugal spray drying equipment only is provided with common air filter; This configuration only can be satisfied the spray of the general material of hygroscopicity; And receive the influence of factors such as weather, weather bigger, because if the outside air high humidity then can cause humidity increase in the tower; Even the water evaporates in the Icing Sugar is more thorough, also can make Icing Sugar from the sticking wall of new moisture absorption.
3, humidity increases in the existing centrifugal spray drying equipment tower, and air quantity is less, is difficult in and forms strong air curtain in the tower, the sticking easily wall of Icing Sugar.
Summary of the invention
The purpose of this invention is to provide a kind of can be to the withering Icing Sugar spray drying system of high DE value Icing Sugar.
For realizing above-mentioned purpose, the present invention adopts technical scheme following:
A kind of icing sugar spray drying system with high DE value is grouped into by feeding part, spraying part, drying nest, air supplying part; Squeeze into the stock chest first from the slurry that pre-treatment comes; Stock chest partly links to each other with feeding; The feeding part is given the spraying part with syrup delivery, behind the spraying partly atomized, gets into drying nest; By the air-supply part hot dry wind is delivered to drying nest, the Icing Sugar behind the drying nest transpiring moisture gets into the product encapsulation at last through cyclonic separation; Feeding part main body is a feeding engine, and the spraying part is a centrifugal atomizer, and feeding engine links to each other with centrifugal atomizer through pipeline; The drying nest main body is a drying tower; The upper design of tower has hot-air distributor, and hot-air distributor divides with air supplying part and links to each other, and the air supplying part branch comprises that blower fan, dehumidifier, air cleaner, heater constitute; What air supplying part dispensed out is divided into two-way in hot blast, and wherein one the tunnel links to each other with hot-air distributor; In drying tower, be designed with the gas sweeping device, the gas sweeping device is the air loop duct of design at the top; The airduct bottom has venthole, and airduct links to each other with air dehumidifier, the gas sweeping device also comprise one the rotation gas sweep; Rotation gas is swept and is the multi-arm type structure; Gas is swept arm and is pressed close to dry Tata wall, and gas is swept arm and had pore towards tower wall side, and gas is swept the arm bottom by the bearing supporting and by driven by motor; Air dehumidifier is made up of dehumidifier, air cleaner, blower fan; Air dehumidifier output dehumidified air is except that one the tunnel with airduct links to each other, and another road is swept arm with the gas in the drying tower and linked to each other; Another road of air-supply part links to each other with cyclone separator bottom air shuttle valve after electrical heating; Make and produce little negative pressure in the cyclone separator; Icing Sugar is sent to cyclone separator through pipeline from the drying tower bottom under little suction function; Icing Sugar is settled down to the bottom and is delivered to the whirly separator by the air supplying part lines again in cyclone separator, residue contains the emptying through the cyclone separator top is delivered to sprayer-washer to remove dust by air-introduced machine after of Icing Sugar gas; In the whirly separator, get into packaging process after the Icing Sugar sedimentation, in the whirly separator residual gas by the introductory note blower fan in pipeline is delivered to drying tower.
Above-mentioned a kind of icing sugar spray drying system with high DE value is characterized in that: in the tower negative pressure be controlled at-0.5～-0.8KP.
Above-mentioned a kind of icing sugar spray drying system with high DE value is characterized in that: the drying tower wall is the double-layer water jacket type structure, links to each other with tower wall temperature control device through pipeline on the drying tower wall, and tower wall temperature control device comprises water pump, heater and temperature controller.
Above-mentioned a kind of icing sugar spray drying system with high DE value is characterized in that: cooling temperature of circulating water is controlled at 34-38 ℃.
Above-mentioned a kind of icing sugar spray drying system with high DE value is characterized in that: the dehumidifier of air-supply part is a cooled dehumidifier unit, and it is 120～140 ℃ that air supplying part is told the wind-warm syndrome degree, and air-out humidity is 0%-5%; The dehumidifier of air dehumidifier is the air conditioner dehumidification machine, air conditioner dehumidification machine air-out humidity 10%-30%, and leaving air temp is 10-30 ℃.
Above-mentioned a kind of icing sugar spray drying system with high DE value is characterized in that: be connected with air cleaner and cooling air pump through pipeline on the centrifugal atomizer of spraying part.
Advantageous effect of the present invention is following:
1, because softening point lower (about the 50 ℃) hygroscopicity of Icing Sugar is stronger; If the tower wall temperature is higher, will make the softening sticking wall of Icing Sugar, the tower wall temperature is crossed the low Icing Sugar that can make again and is arrived the sticking wall of dew point; Come the control tower wall temperature so adopt the chuck water-cooled; And EAT is controlled at 120-140 ℃, leaving air temp is controlled at 65-75 ℃, can prevent effectively that like this Icing Sugar from gluing wall.
2, the gas of 2M formation is downwards swept curtain all around at the drying tower top with compressed air (dewatering, locate oil, cold doing) between cat head and tower Nell wall, and air curtain separates material with the tower wall, remove the sticking wall problem in top.
3, the air purging device adopts two intersections to purge in the tower; And adding dehumidifier with roots blower is combined as it clean dried cleaning wind is provided; Making has powerful rotation air curtain in the whole tower, Icing Sugar is rotated with the wind and delay for a long time in tower, and the Icing Sugar cooling effect is better; And the rotation air curtain can intercept Icing Sugar and contact with the tower wall, prevents that Icing Sugar from gluing wall.
4, drying tower top atomizer is joined 1 in small-sized pressure fan, because atomizer is worked in the high-temperature region, trigonum, drying tower top can produce pump-absorb action; Be prone to make dry powder to return the sticking wall in top; Add pressure fan and send into a small amount of pure air, can eliminate trigonum pump suction phenomenon, reduce dry powder and return the top.
5, increased high-efficiency freezing dehumidification system one cover at drying tower air inlet place, in order to removing the airborne moisture of air intake, thereby the sticking wall of Icing Sugar moisture absorption in the prevention tower is guaranteed the equipment operation that can under any season and weather, do as usual.
6, the cooling and dehumidifying wind of discharging opening is provided by the cooled dehumidifier unit at air inlet place, and in pipeline, increases one of the heater of 2-3kw, and is low excessively to prevent wind pushing temperature in order to regulate wind pushing temperature, makes Icing Sugar arrive the sticking wall of dew point.
Below in conjunction with accompanying drawing and truth example the present invention is described further.
Description of drawings
Fig. 1 is a system architecture sketch map of the present invention.
The specific embodiment
Embodiment 1
As shown in Figure 1, a kind of icing sugar spray drying system with high DE value is grouped into by feeding part, spraying part, drying nest, air supplying part; Squeeze into the stock chest from the slurry that pre-treatment comes; Stock chest partly links to each other with feeding; The feeding part is given the spraying part with syrup delivery, behind the spraying partly atomized, gets into drying nest; By the air-supply part hot dry wind is delivered to drying nest, the Icing Sugar behind the drying nest transpiring moisture gets into the product encapsulation at last through cyclonic separation; Feeding part main body is a feeding engine; The spraying part is a centrifugal atomizer, and feeding engine links to each other with centrifugal atomizer through pipeline, and the drying nest main body is a drying tower; The drying tower wall is the double-layer water jacket type structure; Link to each other with tower wall temperature control device through pipeline on the drying tower wall, tower wall temperature control device comprises water pump, heater and temperature controller, and cooling temperature of circulating water is controlled at 38 ℃.The upper design of tower has hot-air distributor; Hot-air distributor divides with air supplying part and links to each other, and the air supplying part branch comprises that blower fan, dehumidifier, air cleaner, heater constitute, and the dehumidifier of air-supply part is a cooled dehumidifier unit; It is 140 ℃ that air supplying part is told the wind-warm syndrome degree, and air-out humidity is 5%; The hot dry wind that air supplying part dispenses out is divided into two-way, and wherein one the tunnel links to each other with hot-air distributor; In drying tower, be designed with the gas sweeping device, the gas sweeping device is the air loop duct of design at the top; The airduct bottom has venthole, and airduct links to each other with air dehumidifier, the gas sweeping device also comprise one the rotation gas sweep; Rotation gas is swept and is the multi-arm type structure; Gas is swept arm and is pressed close to dry Tata wall, and gas is swept arm and had pore towards tower wall side, and gas is swept the arm bottom by the bearing supporting and by driven by motor; Air dehumidifier is made up of dehumidifier, air cleaner, blower fan, and the dehumidifier of air dehumidifier is the air conditioner dehumidification machine, and air conditioner dehumidification machine air-out humidity 10%, leaving air temp are 30 ℃; Air dehumidifier output dehumidified air is except that one the tunnel with airduct links to each other, and another road is swept arm with the gas in the drying tower and linked to each other; Another road of air-supply part links to each other with cyclone separator bottom air shuttle valve after electrical heating; Drying tower, the little negative pressure negative pressure of the interior generation of cyclone separator are controlled at-0.8KP; Icing Sugar is sent to cyclone separator through pipeline from the drying tower bottom under little suction function; Icing Sugar is settled down to the bottom and is delivered to the whirly separator by the air supplying part lines again in cyclone separator, residue contains the emptying through the cyclone separator top is delivered to sprayer-washer to remove dust by air-introduced machine after of Icing Sugar gas; In the whirly separator, get into packaging process after the Icing Sugar sedimentation, in the whirly separator residual gas by the introductory note blower fan in pipeline is delivered to drying tower.
Embodiment 2
A kind of icing sugar spray drying system with high DE value is grouped into by feeding part, spraying part, drying nest, air supplying part; Squeeze into the stock chest from the slurry that pre-treatment comes; Stock chest partly links to each other with feeding; The feeding part is given the spraying part with syrup delivery, behind the spraying partly atomized, gets into drying nest; By the air-supply part hot dry wind is delivered to drying nest, the Icing Sugar behind the drying nest transpiring moisture gets into the product encapsulation at last through cyclonic separation; Feeding part main body is a feeding engine, and the spraying part is a centrifugal atomizer, and feeding engine links to each other with centrifugal atomizer through pipeline, also is connected with air cleaner and cooling air pump through pipeline on the centrifugal atomizer of spraying part.The drying nest main body is a drying tower; The drying tower wall is the double-layer water jacket type structure; Link to each other with tower wall temperature control device through pipeline on the drying tower wall, tower wall temperature control device comprises water pump, heater and temperature controller, and cooling temperature of circulating water is controlled at 34 ℃.The upper design of tower has hot-air distributor; Hot-air distributor divides with air supplying part and links to each other, and the air supplying part branch comprises that blower fan, dehumidifier, air cleaner, heater constitute, and the dehumidifier of air-supply part is a cooled dehumidifier unit; It is 130 ℃ that air supplying part is told the wind-warm syndrome degree, and air-out humidity is 1%; The hot dry wind that air supplying part dispenses out is divided into two-way, and wherein one the tunnel links to each other with hot-air distributor; In drying tower, be designed with the gas sweeping device, the gas sweeping device is the air loop duct of design at the top; The airduct bottom has venthole, and airduct links to each other with air dehumidifier, the gas sweeping device also comprise one the rotation gas sweep; Rotation gas is swept and is the multi-arm type structure; Gas is swept arm and is pressed close to dry Tata wall, and gas is swept arm and had pore towards tower wall side, and gas is swept the arm bottom by the bearing supporting and by driven by motor; Air dehumidifier is made up of dehumidifier, air cleaner, blower fan, and the dehumidifier of air dehumidifier is the air conditioner dehumidification machine, and air conditioner dehumidification machine air-out humidity 30%, leaving air temp are 10 ℃; Air dehumidifier output dehumidified air is except that one the tunnel with airduct links to each other, and another road is swept arm with the gas in the drying tower and linked to each other; Another road of air-supply part links to each other with cyclone separator bottom air shuttle valve after electrical heating; Drying tower, the little negative pressure negative pressure of the interior generation of cyclone separator are controlled at-0.5KP; Icing Sugar is sent to cyclone separator through pipeline from the drying tower bottom under little suction function; Icing Sugar is settled down to the bottom and is delivered to the whirly separator by the air supplying part lines again in cyclone separator, residue contains the emptying through the cyclone separator top is delivered to sprayer-washer to remove dust by air-introduced machine after of Icing Sugar gas; In the whirly separator, get into packaging process after the Icing Sugar sedimentation, in the whirly separator residual gas by the introductory note blower fan in pipeline is delivered to drying tower.
Claims (6)
1. an icing sugar spray drying system with high DE value is grouped into by feeding part, spraying part, drying nest, air supplying part; Squeeze into the stock chest from the slurry that pre-treatment comes; Stock chest partly links to each other with feeding; The feeding part is given the spraying part with syrup delivery, behind the spraying partly atomized, gets into drying nest; By the air-supply part hot dry wind is delivered to drying nest, the Icing Sugar behind the drying nest transpiring moisture gets into the product encapsulation at last through cyclonic separation; Feeding part main body is a feeding engine, and the spraying part is a centrifugal atomizer, and feeding engine links to each other with centrifugal atomizer through pipeline; The drying nest main body is a drying tower; The upper design of tower has hot-air distributor, and hot-air distributor divides with air supplying part and links to each other, and the air supplying part branch comprises that blower fan, dehumidifier, air cleaner, heater constitute; The hot dry wind that air supplying part dispenses out is divided into two-way, and wherein one the tunnel links to each other with hot-air distributor; In drying tower, be designed with the gas sweeping device, the gas sweeping device is the air loop duct of design at the top; The airduct bottom has venthole, and airduct links to each other with air dehumidifier, the gas sweeping device also comprise one the rotation gas sweep; Rotation gas is swept and is the multi-arm type structure; Gas is swept arm and is pressed close to dry Tata wall, and gas is swept arm and had pore towards tower wall side, and gas is swept the arm bottom by the bearing supporting and by driven by motor; Air dehumidifier is made up of dehumidifier, air cleaner, blower fan; Air dehumidifier output dehumidified air is except that one the tunnel with airduct links to each other, and another road is swept arm with the gas in the drying tower and linked to each other; Another road of air-supply part links to each other with cyclone separator bottom air shuttle valve after electrical heating; Make and produce little negative pressure in the cyclone separator; Icing Sugar is sent to cyclone separator through pipeline from the drying tower bottom under little suction function; Icing Sugar is settled down to the bottom and is delivered to the whirly separator by the air supplying part lines again in cyclone separator, residue contains the emptying through the cyclone separator top is delivered to sprayer-washer to remove dust by air-introduced machine after of Icing Sugar gas; In the whirly separator, get into packaging process after the Icing Sugar sedimentation, in the whirly separator residual gas by the introductory note blower fan in pipeline is delivered to drying tower.
2. a kind of icing sugar spray drying system with high DE value according to claim 1 is characterized in that: in the tower negative pressure be controlled at-0.5～-0.8KP.
3. a kind of icing sugar spray drying system with high DE value according to claim 1 and 2; It is characterized in that: the drying tower wall is the double-layer water jacket type structure; Link to each other with tower wall temperature control device through pipeline on the drying tower wall, tower wall temperature control device comprises water pump, heater and temperature controller.
4. a kind of icing sugar spray drying system with high DE value according to claim 3 is characterized in that: cooling temperature of circulating water is controlled at 34-38 ℃.
5. a kind of icing sugar spray drying system with high DE value according to claim 4 is characterized in that: the dehumidifier of air-supply part is a cooled dehumidifier unit, and it is 120～140 ℃ that air supplying part is told the wind-warm syndrome degree, and air-out humidity is 0%-5%; The dehumidifier of air dehumidifier is the air conditioner dehumidification machine, air conditioner dehumidification machine air-out humidity 10%-30%, and leaving air temp is 10-30 ℃.
6. a kind of icing sugar spray drying system with high DE value according to claim 5 is characterized in that: be connected with air cleaner and cooling air pump through pipeline on the centrifugal atomizer of spraying part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101202765A CN101787397B (en) | 2010-02-06 | 2010-02-06 | Icing sugar spray drying system with high DE value |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101202765A CN101787397B (en) | 2010-02-06 | 2010-02-06 | Icing sugar spray drying system with high DE value |
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| CN101787397A CN101787397A (en) | 2010-07-28 |
| CN101787397B true CN101787397B (en) | 2012-05-30 |
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| CN2010101202765A Active CN101787397B (en) | 2010-02-06 | 2010-02-06 | Icing sugar spray drying system with high DE value |
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| CN103278008B (en) * | 2013-05-17 | 2015-06-03 | 苏州工业园区日高能源科技有限公司 | Reaction tower with air curtain protection and air intake method thereof |
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| CN206715344U (en) * | 2016-08-12 | 2017-12-08 | 李金山 | A kind of drying device of coking desulfurization sulphur foam and desulfurization waste liquor |
| CN106755606A (en) * | 2017-02-10 | 2017-05-31 | 山东星光生物科技有限公司 | A kind of preparation method of high-quality syrup and Icing Sugar |
| CN111841047B (en) * | 2019-04-26 | 2023-07-14 | 宁德时代新能源科技股份有限公司 | Negative electrode material production equipment |
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