• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a macro spray drying system with monodisperse multi-array particles, comprising a pretreatment system, an atomizer, a drying chamber and an exhaust gas treatment and collection system, the atomizer formed by singlet micro-jet atomizing units or integrated multi-line micro-jet atomizing units, the highly viscous solution can disperse evenly in order to ensure a uniform size of the products as possible, to effectively reduce the interaction between the droplets and to reduce the wall sticking phenomenon of the particles, and wherein the atomizing units are arranged in a matrix, and an inlet opening is provided between each row of the atomizing units is so that the atomization and the air flow interact to realize a uniform effective drying, and wherein the pretreatment system and the atomizer are each connected to the drying chamber d and lying next to each other belong to upstream process parts of the drying chamber, and a drying medium redistributor for adjusting the flow direction of the drying medium is arranged at the entrance to the drying chamber, in order to further realize a uniform mixture between the high-temperature air and the substance drops and to ensure continuous production of the spray drying process promote, and the system has a simple structure and is very practical so that macro production can be realized.
    公开号:BE1023558B1
    申请号:E2016/5227
    申请日:2016-03-31
    公开日:2017-05-04
    发明作者:Xiaodong Chen；Liming Che
    申请人:Xiamen University；
    IPC主号:
    专利说明:

    Macro spray drying system with monodisperse multi-array particles and its method of use
    Technical area
    The present invention relates to a system for the drying step, in particular a macro-spray-drying system with monodisperse multi-array particles, which has uniform atomized particles, avoids sticking to the wall and has a high drying efficiency.
    State of the art
    In the technological processes of many industries, such as the food, pharmaceutical and chemical industries, spray drying is one of the most common technological processes in which, with a single working step, the solutions, emulsions, suspension liquids or sludge-like substances are processed directly into a powder product. There is a high speed, a good efficiency and a practical property, moreover, operations such as evaporation and pulverization etc. are eliminated in the traditional processes. According to incomplete statistics, by the end of 2006 more than 25,000 sets of spray dryers had been installed and used all over the world. Most used on the market
    Nebulization drying methods are basically divided into three types: (1) centrifugal spray-drying method: a centrifugal force of the solution is caused by spinning at high speed in the horizontal direction so that it is spun at a high speed and thin films, filaments or droplets are formed; the air friction, prevention and tearing function causes the liquid to be thrown off the disk by the helix and is then dispersed into fine droplets; (2) Pressure Spray Drying Method: By means of a high pressure pump, under air pressure, substances are dimerized through a nebulizer (a spray gun) into nebulized particles which make direct contact with the nebulized particles
    Have hot air to perform a heat exchange so that drying is completed within a short time; (3) Air-jet spray-drying method: the substances to be dried and the heated natural air enter the dryer at the same time and are completely mixed, since a large heat exchange area exists, the purpose of the evaporative drying is achieved within a very short time.
    In the above three spray drying methods, random sputtering is used at a time, since the moving direction of the substances to be dried upon drying can not be controlled, the cloth drops after sputtering may easily have a phenomenon of uneven drying, thereby the larger particles are not completely dried while the spatters excessively dried over smaller particles; At the same time, the fly marks of the drops of substance are extremely complicated, the drops in the dryer have different dwell times, so that a situation can easily occur that the drops are not dried or excessively dried.
    In addition, if the substances to be dried have a larger supply amount or the drying chamber does not have sufficient heating, the drops of substance can not be completely evaporated, thus a serious Wandklebphänomen occur, so that the spray drying has an extremely low working efficiency, continue to be the following work of Influencing the spray dryer to a great extent, unbundling the drying step will severely affect the operation and efficiency of the entire production process, making it time-consuming, labor-intensive and energy-consuming. Because of this, uniform drying, reduction of energy consumption and improvement of work efficiency are always a problem that the drying industry always wants to address and solve as quickly as possible.
    Content of the invention
    In view of the existing technical problems of the prior art, the present invention provides a macro spray drying system with monodisperse multi-array particles, comprising a pretreatment system, a nebulizer, a drying chamber and an exhaust treatment and collection system, wherein the nebulizer by singlet micro-jet nebulization or integrated
    Multiline microbeam sputtering units is formed, and wherein by the singlet micro-beam sputtering units or the integrated
    Multilinear microbeam sputtering unit formed atomizer can uniformly disperse the highly viscous solution to ensure a uniform size of the products as possible, effectively reduce the interaction between the droplets and reduce the Wandklebphänomen of the particles, and wherein the sputtering units are arranged in a matrix, and being between each row of the
    Sputtering is provided with an inlet opening, so that the atomization and the air flow interact to realize a uniform effective drying, and wherein the Prörbehandlungssystem and the atomizer are respectively connected to the drying chamber and adjacent to upstream process parts of the drying chamber belonging, and wherein at the entrance of the drying chamber, a drying medium redistributor for adjusting the flow direction of the drying medium is arranged to further realize uniform mixing between the high-temperature air and the drops of fabric and to produce uniform size products, and wherein the drying is complete and uniform, so that the working efficiency spray drying is significantly improved and the continuous production of the spray drying process is promoted, and the system has a simple structure, can be well spread and is very convenient i st, so that a macro-production can be realized.
    In order to solve the above technical problem, the present invention uses a following technical solution: a macrospray drying system with monodisperse multi-array particles, characterized by comprising a pre-treatment system, an atomizer, a drying chamber and an exhaust treatment and collection system; wherein the atomizer is formed by singlet microbeam sputtering units or multi-line integrated microbeam sputtering units; and wherein the pretreatment system and the atomizer are each connected to the drying chamber and are adjacent to upstream process parts of the drying chamber; and wherein at the entrance of the drying chamber, a drying medium redistributor for adjusting the flow direction of the drying medium is arranged; and wherein the exhaust treatment and collection system is connected to the exit of the drying chamber to perform the separation between the particles and the exhaust gas.
    As an improvement of the present invention, the singlet microbeam sputtering units or the integrated ones are
    Multi-line microbeam sputtering units are arranged in the atomizer in a matrix, wherein an inlet opening is provided between each row of the sputtering units.
    As an improvement of the present invention, the nebulizer is connected to the drying chamber with the nebulizing unit matrix in the nebulizer operating in parallel with the airflow that has entered through the inlet port.
    As a further improvement of the present invention, each column in the matrix comprises at least three singlet microbeam sputtering units or multi-line integrated microbeam sputtering units.
    As a further improvement of the present invention, the drying medium redistributor changes in accordance with the increase in the number of singlet microbeam sputtering units or the integrated ones
    Multi-line microbeam sputtering units wherein the ratio between the numbers of the two is 1: 1.
    As another improvement of the present invention, the pretreatment system comprises a centrifugal fan and a heat exchanger, wherein the exit of the heat exchanger is connected to the access of the drying chamber.
    As another improvement of the present invention, the exhaust treatment and collection system includes an air release blower and a particle recovery device, wherein the blowdown blower is located above the interior of the exhaust treatment and collection system.
    As a further improvement of the present invention, the cross-section of the drying chamber is circular or rectangular, with the inlet opening being rectangular.
    In order to solve the above technical problems, the monodisperse multi-array macro spray drying system of the present invention has a detailed method of use as follows: (1) that the centrifugal blower pumps the air into the heat exchanger for heating, the high temperature air being discharged through the exit of the heat exchanger the drying chamber enters when the temperature of the heated air reaches 140D, and wherein the drying medium redistributor located at the entrance to the drying chamber can adjust the direction of movement of the air so that the air in the drying chamber is from top to bottom at a rate of 0.015-0.020 m / s moves; (2) that the substances to be dried enter the drying chamber after sputtering through the nebulizer; (3) that the atomized substances to be dried moving from top to bottom at a low speed has a collision with the high-temperature air in the drying chamber, with mass and heat transfer taking place to realize a drying function; (4) that the materials are dried after mixing and collision so that particles are formed and exhaust gases are generated which enter the exhaust treatment and collection system via the outlet of the drying chamber; (5) the exhaust gases are discharged through the air exhaust fan above the interior of the exhaust treatment and collection system, the particles being recovered together by the particle recovery device in the exhaust treatment and collection system.
    The present invention has the following advantages:
    The nebulizer formed by the singlet microbeam sputtering units or the integrated multi-line microbeam sputtering units can uniformly disperse the highly viscous solution to ensure as uniform a size of the products as possible, effectively reduce the interaction between the drops, and reduce the wall sticking phenomenon of the particles; the atomizing units are arranged in a matrix, wherein between each row of the atomizing units an inlet opening is provided, so that the atomization and the air flow interact to realize a uniform effective drying; At the entrance of the drying chamber, there is disposed a drying medium redistributor which can serve to adjust the flow direction of the drying medium after the drying medium, e.g. High temperature air entering the drying chamber, the drying medium redistributor can control the high temperature air so that it flows in the drying chamber from top to bottom at a low speed to achieve complete contact between the high temperature air and the drops of material and an effective heat and To carry out mass exchange so that uniform mixing between the high-temperature air and the drops of material is further realized and products of uniform size are produced, the drying is complete and uniform, so that a lower drying temperature can be used to increase the drying efficiency and the thermal efficiency improve; In the present invention, multiple atomizers may be used, or multiple ones may be used in a single atomizer
    Singlet microbeam sputtering units can be arranged so that the working efficiency of sputtering is further improved, thereby dispersing the sputtering particles more uniformly; At the same time, the number of drying medium redistributors can be determined from the
    Increase in the number of atomizers or the number of sputtering units, so that on the one hand the drying medium Redistributor can serve to separate the various singlet micro-beam sputtering units or separating the atomizer, so that the respective components work separately and have no interaction, on the other hand, a realizes uniform mixing between the drying medium and the drops of material, so that a very good auxiliary function for preventing the wall sticking of the droplets and particles and the sticking of the particles is realized, thereby the working efficiency of the spray drying is greatly improved, and the continuous production of the spray drying process is promoted; The micro jet spray drying system has a simple overall structure, can be widely used and is very convenient, thereby saving the space and realizing macro production, the system is an energy efficient device that can be easily used in various fields, no stress at the use, the work efficiency is greatly improved, and is energy efficient and labor-saving.
    Short description of the drawing
    FIG. 1 shows a schematic structural view of FIG
    A multi-array singlet microbeam sputtering unit or the multi-line integrated microbeam sputtering unit in one embodiment of the present invention.
    Figure 2 shows a schematic structural view of the micro jet spray drying system in one embodiment of the present invention.
    Figure 3 shows a schematic structural view of the sputtering unit array in an embodiment of the present invention.
    REFERENCE SIGNS I Pre-treatment system II Centrifugal blower 12 Heat exchanger 2 Atomizer 3 Drying chamber 31 Inlet of drying chamber 32 Outlet of drying chamber 4 Exhaust gas treatment and collection system 41 Air release blower 42 Particle recovery device 5 Drying medium redistributor
    Detailed embodiments
    In connection with figures and embodiments, the present invention will be explained in more detail below.
    First embodiment
    As shown in FIG. 1, FIG. 1 shows a schematic structural view of the multi-array singlet micro-beam sputtering unit or the multi-line integrated micro-beam sputtering unit in one embodiment of the present invention. In the upper row, from left to right, there is a singlet, double-line, and three-line microbeam sputtering unit, and in the lower row from left to right, a four-line, five-line, and six-line microbeam sputtering unit, respectively. The one by the
    Singlet Microbeam Atomizing Units or the Integrated
    Multilinear microbeam sputtering units formed atomizer can uniformly disperse the highly viscous solution to ensure a uniform size of the products as possible, effectively reducing the interaction between the drops and the
    Reduce wall sticking phenomenon of the particles;
    A multi-array monodisperse macro spray drying system provided with the integrated three-line microbeam sputtering units is used as the first embodiment, as shown in Figure 2, where the fabric to be dried is taurine and the drying medium is the air.
    A multi-array monodisperse macro spray drying system comprising a pretreatment system 1, an atomizer 2, a drying chamber 3, and an exhaust treatment and collection system 4, wherein the atomizer passes through
    Singlet microbeam sputtering units or integrated
    Multiline microbeam sputtering units is formed. In the present embodiment, in the atomizer 2, the three-line microbeam sputtering units, so that the working efficiency of the sputtering is further improved, so that the sputtering particles are more evenly distributed. The pretreatment system 1 and the atomizer 2 are each connected to the drying chamber 3 and belong side by side to upstream process parts of the drying chamber 3, while the taurine is atomized via the atomizer 2 into the taurine droplets, at the same time the air flows through the pretreatment Pre-treatment system 1 together with the taurine droplets inside the drying chamber 3, to carry out further drying work. The drying chamber 3 is a stainless steel tube having a length of 60 to 120 cm, a width of 20 to 40 cm and a height of 1 to 3 m, wherein the outside of the drying chamber is wrapped with glass fiber heat retention cotton to reduce the heat loss and the improve thermal efficiency. At the entrance 31 of the drying chamber, a drying medium redistributor 5 for adjusting the flow direction of the drying medium is arranged. The drying medium redistributor 5 changes based on the increase in the number of atomizers 2, the ratio between the numbers of the two being 1: 1.
    In the present embodiment, the number of drying medium redistributors 5 is also three, so that on the one hand the
    Drying medium redistributors 5 can serve to separate the three atomizers 2, so that the respective atomizers 2 work separately and have no interaction, on the other hand, a uniform mixture between the high-temperature air and the taurine droplets is realized, so that a very good auxiliary function for preventing Wall sticking of the taurine drops and taurine particles and the bonding between the taurine particles is realized, thereby the working efficiency of the spray drying is greatly improved, and the continuous production of the spray drying process is promoted;
    Moreover, the pre-treatment system 1 comprises a centrifugal blower 11 and a heat exchanger 12, wherein the outlet of the heat exchanger 12 is connected to the access 31 of the drying chamber, so that it is facilitated that the high-temperature air heated by the heat exchanger 12 enters the drying chamber 3.
    At work, the centrifugal blower 11 is started, which pumps the air into the heat exchanger 12 for heating. When the heated air reaches 100 to 150D, it enters the drying chamber 3, preferably when the temperature of the air is 140D. The high-temperature air primarily entering the drying chamber 3 is adjusted by the drying medium redistributor 5 at the entrance 31 of the drying chamber to adjust the flow direction of the high-temperature air. The set high-temperature air moves at a low speed in the drying chamber 3 from top to bottom, while the speed is about 0.015 to 0.020 m / s. On the other hand, the taurine liquid is atomized by three atomizers 2 provided with the singlet microbeam sputtering units 21 into the taurine drops of a uniform size entering the drying chamber 3 through the entrance 31 of the drying chamber and due to the function of intrinsic gravity Move vertically down. In the drying chamber, the vertically downwardly moving taurine drops contact the high-temperature air moving vertically downwards at a low speed so that there is mass and heat transfer and the taurine drops are dried into the particles. The drying medium redistributor 3 ensures that the high temperature air and the taurine drops are in complete contact to provide effective heat and heat
    To carry out mass exchange, so that a uniform mixture between the high-temperature air and the taurine droplets is further realized and manufactured products of uniform size, while the drying is complete and uniform, so that a lower drying temperature can be used, thereby the full process of Drying can be completed even if the temperature of the high-temperature air is occasionally insufficient, thereby improving the drying efficiency and the thermal efficiency;
    Since the cross section of the inside of the drying chamber is circular or rectangular, the reaction space between the taurine drops and the high-temperature air is increased, so that the drying efficiency is greatly improved.
    Since the inlet opening is rectangular, the distribution arrangement of the liquid and the air is also rectangular under the action of the entire drying system, the distribution arrangement enabling effective contact between the air and the liquid to form an energy-efficient drying.
    After completion of the spray drying operations, the temperature of the hot air discharged through the outlet 32 of the drying chamber after contact with the taurine drops decreases considerably, the humidity of the hot air increases and the hot air becomes exhaust gas; The exhaust treatment and collection system 4 of the present embodiment includes an air release blower 41 and a particle recovery apparatus 42, the blowdown blower being located above the interior of the exhaust treatment and collection system 4, and the generated exhaust gas being discharged directly through the blowdown blower 41 the drying generated taurine particles are uniformly recovered and stored by the particle recovery device 42.
    As shown in Figure 3, each row of nebulizers 10 comprises nebulizing units, a rectangular inlet opening is provided between two adjacent rows of nebulizing units, one row serves as the air inlet, forming a neatly arranged atomizing and airflow interaction to provide uniform and uniform flow to realize effective drying, at the same time becomes a
    Macro production by a space-saving monodisperse
    Micro-spray-drying realized. As shown in Fig. 4, Fig. 4 is a structural view of a drying tower using the multi-array monodisperse macro spray drying system in the embodiment of the present invention.
    It should be noted that the explanation in the above embodiments is not limited to the applications of the invention, but the principle and the effect of the present invention are exemplified, the scope of the present invention is not limited thereto. The scope of protection of the present utility model is defined by the claims.
    权利要求:
    Claims (9)
    [1]
    claims
    A macrospraying drying system comprising monodisperse multi-array particles, characterized in that it comprises a pretreatment system, an atomizer, a drying chamber and an exhaust treatment and collection system; wherein the atomizer is formed by singlet microbeam sputtering units or multi-line integrated microbeam sputtering units; and wherein the pretreatment system and the atomizer are each connected to the drying chamber and are adjacent to upstream process parts of the drying chamber; and wherein at the entrance of the drying chamber, a drying medium redistributor for adjusting the flow direction of the drying medium is arranged; and wherein the exhaust treatment and collection system is connected to the exit of the drying chamber to perform the separation between the particles and the exhaust gas.
    [2]
    A macro-spray-drying monodisperse multi-array particle system according to claim 1, characterized in that the singlet microbeam sputtering units or the integrated multi-line microbeam sputtering units are arranged in the nebulizer in a matrix, wherein an inlet opening is provided between each row of the nebulization units is.
    [3]
    A macrospraying drying system with monodisperse multi-array particles according to claim 2, characterized in that the atomizer is connected to the drying chamber, the atomizing unit matrix in the atomizer operating in parallel with the air flow passing through the inlet opening.
    [4]
    A macroprismatic drying system with monodisperse multi-array particles according to claim 2 or 3, characterized in that each column in the matrix comprises at least three singlet microbeam sputtering units or integrated multi-line microbeam sputtering units.
    [5]
    The multi-array monodisperse macrospray drying system of claim 4, characterized in that the drying medium redistributor changes in accordance with the increase in the number of singlet microbeam sputtering units or the integrated multi-line microbeam sputtering units, the ratio between the numbers of the two is 1: 1.
    [6]
    A macrospraying drying system with monodisperse multi-array particles according to claim 5, characterized in that the pretreatment system comprises a centrifugal fan and a heat exchanger, the exit of the heat exchanger being connected to the access of the drying chamber.
    [7]
    A macrospraying drying system with monodisperse multi-array particles according to claim 5 or 6, characterized in that the exhaust treatment and collection system comprises an air release blower and a particle recovery apparatus, the blowdown blower being located above the interior of the exhaust treatment and collection system.
    [8]
    A macrospraying drying system with monodisperse multi-array particles according to claim 7, characterized in that the cross-section of the drying chamber is circular or rectangular, and wherein the inlet opening is rectangular.
    [9]
    The method of use of the multi-particle monodisperse macrobrush drying system according to claim 8, characterized by comprising the steps of: (1) said centrifugal fan pumping said air into said heat exchanger for heating, said high temperature air passing through said exit of said heat exchanger the drying chamber enters when the temperature of the heated air reaches 140D, and wherein the drying medium redistributor located at the entrance to the drying chamber can adjust the direction of movement of the air so that the air in the drying chamber is from top to bottom at a rate of 0.015-0.020 m / s moves; (2) that the substances to be dried enter the drying chamber after sputtering through the nebulizer; (3) the high-temperature air moving from top to bottom at a low speed has a collision with the atomized substances to be dried in the drying chamber, with mass and heat transfer to realize a drying function; (4) that the materials are dried after mixing and collision so that particles are formed and exhaust gases are generated which enter the exhaust treatment and collection system via the outlet of the drying chamber; (5) the exhaust gases are discharged through the air exhaust fan above the interior of the exhaust treatment and collection system, the particles being recovered together by the particle recovery device in the exhaust treatment and collection system.
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    同族专利:
    公开号 | 公开日
    CN106139624A|2016-11-23|
    BE1023558A1|2017-05-04|
    WO2016169174A1|2016-10-27|
    引用文献:
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    CN204208318U|2014-09-18|2015-03-18|浙江环兴机械有限公司|Be applied to the novel pressure formula dyestuff spraying anhydration system of mummification dyestuff slurry|
    CN104492108B|2014-11-24|2016-06-08|南通东概念新材料有限公司|A kind of simple grain footpath spraying droplets drying tower|
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    法律状态:
    2019-12-13| MM| Lapsed because of non-payment of the annual fee|Effective date: 20190331 |
    优先权:
    申请号 | 申请日 | 专利标题
    CN201510192185.5|2015-04-22|
    CN201510192185.5A|CN106139624A|2015-04-22|2015-04-22|The magnanimity spray drying system of many arrays monodisperse particles and using method thereof|
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