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WO2021119945A1 - Appareil d'évaporation et de distribution continue pour suspension - Google Patents

Appareil d'évaporation et de distribution continue pour suspension Download PDF

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Publication number
WO2021119945A1
WO2021119945A1 PCT/CN2019/125712 CN2019125712W WO2021119945A1 WO 2021119945 A1 WO2021119945 A1 WO 2021119945A1 CN 2019125712 W CN2019125712 W CN 2019125712W WO 2021119945 A1 WO2021119945 A1 WO 2021119945A1
Authority
WO
WIPO (PCT)
Prior art keywords
shell
slurry
conveying device
cylinder
cylindrical shell
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.)
Ceased
Application number
PCT/CN2019/125712
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English (en)
Chinese (zh)
Inventor
章娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Yunfan Intelligent Equipment Technology Co Ltd
Original Assignee
Yangzhou Yunfan Intelligent Equipment Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yangzhou Yunfan Intelligent Equipment Technology Co Ltd filed Critical Yangzhou Yunfan Intelligent Equipment Technology Co Ltd
Priority to PCT/CN2019/125712 priority Critical patent/WO2021119945A1/fr
Publication of WO2021119945A1 publication Critical patent/WO2021119945A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside

Definitions

  • the invention relates to an evaporation and conveying device for industries such as food, medicine, and chemical fiber production, in particular to a slurry evaporation and conveying device with viscosity.
  • an evaporation device for slurry production is often used in industries such as food, medicine, and chemical fiber production.
  • Some evaporation devices work.
  • the process is a physical process. Through evaporation, the moisture in the material is reduced and the viscosity of the material increases.
  • sugarcane is generally used to squeeze the juice and then concentrate, stir in the stirring device and continuously evaporate the water to make a syrup .
  • Further dehydration to form solid sucrose as the viscosity of the syrup increases, the stirring resistance of the stirring device becomes extremely large, and the stirring motor needs to have sufficient anti-overload ability, even directly anti-blocking; in addition, after the completion of the stirring, a pump is also required Carry out transportation. Similar problems are encountered in the production and processing of medicines, especially in the concentrated production of certain medicines.
  • evaporation devices In the process of chemical fiber production, evaporation devices are often used, such as a drawn film evaporator with a rotating inner liner used in polyester production.
  • the problems of poor film forming effect and low work efficiency in the prior art include the shell, which is provided with a vacuum exhaust port, one end of the shell is provided with a feed port, and the other end of the bottom of the shell is provided with a discharge port ,
  • the shell is provided with a roller, which extends from below the feed port to above the discharge port.
  • the side of the roller is provided with a baffle with a surface parallel to the axis of the roller.
  • baffles between the bottom of the roller and the inner wall of the shell.
  • the working surface of the deflector occupies a certain circumferential angle of the inner wall of the shell and extends from the direction of the inlet to the direction of the outlet.
  • the baffle and the deflector are both aligned with the inner wall of the shell. Phase is fixed, the gap between the roller and the baffle is greater than the gap between the roller and the deflector.
  • the device is actually a reactor.
  • the working process is a chemical process.
  • the disadvantage is that the prior art evaporation device has difficulty in controlling the viscosity of the material and cannot produce continuously, resulting in relatively low production efficiency.
  • the material transportation requires an additional delivery pump.
  • the purpose of the present invention is to provide a slurry continuous evaporation and conveying device, which can conveniently control the viscosity of the slurry, can be used for continuous production, and does not require a separate conveying pump.
  • a slurry continuous evaporation and conveying device including a frame, the frame is provided with a shell, and the shell is connected by a cylindrical shell and a conical shell arranged coaxially.
  • the diameter of the large-diameter end of the conical shell is smaller than that of the cylindrical shell, and the large-diameter end of the conical shell is connected to one end of the cylindrical shell;
  • the top of the cylindrical shell is provided with a steam outlet, the cylindrical shell
  • a feed port is also provided on the conical shell, and the small diameter end of the conical shell is provided with a discharge port;
  • the shell is provided with a rotor, and the two ends of the rotor are respectively rotatably supported on the frame through bearings.
  • the rotor includes a rotating shaft. Connected to the cylinder, the cylinder extends from one end to the other end in the housing; the cylinder body is provided with spiral propelling blades, and the spiral propelling blades corresponding to the cylindrical shell are equal-diameter blades with holes, and the spiral corresponding to the conical shell
  • the propelling blades are non-porous reduced-diameter blades; the cylindrical shell is provided with a stirring cage composed of a horizontal grid and a circumferential grid on the outer periphery of the perforated equal-diameter blades.
  • the outer periphery of the stirring cage is provided with several paddles.
  • the end of the cylinder matches the inner wall of the cylindrical shell.
  • the steam outlet is connected to the air extraction device, a certain degree of vacuum is maintained in the whole shell, and the hot slurry enters the device from the feed port to keep the material level not exceeding 1/3 of the conical shell, preferably It is just touching the bottom edge of the non-porous reduced diameter blade or slightly higher than the lowest edge of the non-porous reduced diameter blade.
  • the rotor is driven to rotate, and the material is stirred by the slurry and touches the perforated propeller blade, mixing cage and drum
  • the body makes the material form different states such as throwing, trickling, threading, film drawing, etc. in the cylindrical shell of the material.
  • the evaporation surface of the material itself expands, the water or small molecule volatiles in the material are quickly evaporated, and its own viscosity increases.
  • the viscosity of the material itself is low, the liquid flows back into the cylindrical shell from the gap between the non-porous reduced diameter blade and the conical cylinder.
  • the non-porous reduced diameter blade cannot transport the low-viscosity slurry to the discharge port.
  • the material viscosity is high, because the high viscosity material has the ability to close the gap and the fluidity is poor, it can be pushed to the discharge port by the non-porous reduced diameter blade. Therefore, the device controls the flow of the material and the inside of the shell from the feed port.
  • the material level can control the viscosity of the slurry at the discharge port, so that the material that reaches a certain viscosity can leave the discharge port.
  • the beneficial effects of the present invention are: it can conveniently control the viscosity of the slurry, it can continuously feed and discharge the material, the non-porous reduced diameter blade has the function of pressurizing and conveying, and in the case of low pressure conveying It can replace the discharge pump, so there is no need to set up a delivery pump.
  • the device can be used in the production of food, medicine, and chemical fiber, as an evaporator, concentrator, and reactor.
  • the further improvement lies in that the two ends of the stirring cage are connected to the outer circumference of the cylinder via perforated end plates or spokes.
  • the program is simple to implement.
  • a further improvement is that a heating device is provided outside the barrel. As the material needs to absorb a large amount of latent heat of vaporization during the evaporation process, the heating device can promote its evaporation and concentration.
  • the preferred solution is that the heating device is arranged at the bottom of the cylinder. Since the material is half-filled, the heating device at the bottom is easier to heat the material.
  • a further improvement is that the feed port is arranged on the lower side of the end of the cylindrical shell away from the discharge port.
  • the feed port is set far away from the discharge port, so that a state with a gradient distribution of viscosity can be formed between the feed and the discharge.
  • the material with a certain viscosity has poor fluidity, and the material at the feed port flows to the discharge port. It takes a period of time. Although the materials are continuously stirred in the device, this stirring does not change the viscosity distribution trend. All the materials entering the device are slowly moved from the inlet to the outlet, and the evaporation opportunities are obtained during the period. Equal, can realize the effect of uniform discharging and stable production.
  • the further improvement is that the steam outlet is connected to a vacuum pump, and the pressure of the steam outlet is 0.01-0.1 MPa. According to different production requirements, the steam pressure can be adjusted.
  • a steam collecting box is arranged between the steam outlet and the shell.
  • the buffer of the steam collecting box can help the material entrained in the steam settle, avoid the material entrained by the steam, and affect the efficiency of the device, and at the same time, avoid blocking the vacuum pumping device.
  • the further improvement is that the angle between the propulsion surface of the blade and the normal plane of the cylinder is between ⁇ 15°. Through the setting of different angles, it can help the material to stir or change the residence time of the material in the device, so as to obtain different evaporation opportunities.
  • the angle can be selected according to the characteristics of the material, and this angle can be fixed. Further, the angle of the blade is adjustable, so that the advancing angle of the blade can be changed at any time.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • Fig. 2 is a partial enlarged view of A in Fig. 1.
  • Fig. 3 is a diagram of the working principle of the present invention.
  • a slurry continuous evaporation and conveying device including a frame 17, on which a shell is arranged, and the shell is connected by a cylindrical shell 10 and a conical shell 13 arranged coaxially.
  • the diameter of the large-diameter end of the conical shell 13 is smaller than the diameter of the cylindrical shell 10, and the large-diameter end of the conical shell 13 is connected to one end of the cylindrical shell 10; the top of the cylindrical shell 10 is provided with a steam outlet 6 , The steam outlet 6 can be connected to a vacuum pump.
  • the cylindrical shell 10 is also provided with a feed port 21, and the small diameter end of the conical shell 13 is provided with a discharge port 16; the shell is provided with a rotor, and the two ends of the rotor are rotatably supported by the left bearing 4 and the right bearing 15 respectively.
  • the rotor includes a rotating shaft 5.
  • One end of the rotating shaft 5 is provided with a coupling 3 through which power can be input.
  • the rotating shaft 5 is connected with a cylinder 2 which extends from one end to the other in the housing.
  • the cylinder 2 is provided with a spiral propeller blade, and the spiral propeller blade corresponding to the cylindrical shell 10 is a perforated equal diameter blade 11, and the perforated equal diameter blade 11 is provided with a number of plate holes 22, and a conical shell 13
  • the corresponding spiral propeller blade is a non-porous reduced-diameter blade 14; in the cylindrical casing 10, a stirring cage 9 composed of a horizontal grid 1 and a circumferential grid 12 is provided on the outer periphery of the perforated equal-diameter blade 11.
  • a number of paddles 8 are provided on the outer periphery, and the ends of the paddles 8 match the inner wall of the cylindrical housing 10.
  • the bottom of the cylindrical shell 10 is also provided with an emptying port 19.
  • the two ends of the stirring cage 9 are connected to the outer circumference of the cylinder 2 via the perforated end plates 18 or spokes.
  • a perforated end plate 18 is used, which can support the stirring cage 9 well and form a larger specific surface area without excessively blocking the flow of materials.
  • a heating device 20 is provided outside the barrel 2, and the heating device 20 can be heated by steam, heat conduction oil or electric heating. Since the material needs to absorb a large amount of latent heat of vaporization during the evaporation process, the heating device 20 can promote its evaporation and concentration.
  • the preferred solution is that the heating device 20 is arranged at the bottom of the cylinder 2. Since the material is in a semi-full state, the heating device 20 arranged at the bottom is easier to heat the material.
  • the feed port 21 is provided on the lower side of the end of the cylindrical housing 10 away from the discharge port 16.
  • the feed port 21 is arranged at a position far away from the discharge port 16, so that a state of a gradient distribution of viscosity can be formed between the feed and the discharge.
  • the material with a certain viscosity has poor fluidity, and the material at the position of the feed port 21 flows to The discharge port 16 takes a period of time. Although the materials are continuously stirred in the device, this stirring does not change the viscosity distribution trend. All the materials entering the device move slowly from the feed port 21 to the discharge port 16. , The evaporation opportunities obtained during the period are equal, and the effect of uniform discharge and stable production can be achieved.
  • a steam collecting box 7 is provided between the steam outlet 6 and the shell.
  • the buffer of the steam collecting box 7 can help the material entrained in the steam settle, avoid the material entrained by the steam, and affect the efficiency of the device, and at the same time, avoid blocking the vacuum pumping device.
  • the angle between the propulsion surface of the blade 8 and the normal plane of the cylinder 2 is controlled to be between ⁇ 15°. Through the setting of different angles, it can help the material to stir or change the residence time of the material in the device, so as to obtain different evaporation opportunities.
  • the angle can be selected according to the characteristics of the material, and this angle can be fixed. Further, the angle of the blade 8 is adjustable, so that the advancing angle of the blade can be changed at any time.
  • the steam outlet 6 When in use, the steam outlet 6 is connected to the air extraction device. During production, the pressure of the steam outlet 6 is controlled to be 0.01 ⁇ 0.1MPa, and the hot slurry enters the device from the inlet 21 to keep its material level not exceeding 1/ of the conical shell. 3. It is best to just touch the non-porous reduced diameter blade 14 or slightly higher than the bottom edge of the non-porous reduced diameter blade.
  • the rotor Through an external power input, the rotor is driven to rotate, and the material is stirred by the slurry and touches the perforated propelling blade , Stirring cage 9 and cylinder 2, make the material in the cylindrical shell 10 form different states such as throwing, trickling, threading, film drawing, etc., the evaporation surface of the material itself expands, and the moisture or small molecule volatiles in the material are rapidly Being evaporated, its own viscosity increases.
  • the liquid flows back into the cylindrical shell 10 from the gap between the non-porous diameter-reducing blade 14 and the conical cylinder 2, and the non-porous diameter-reducing blade 14 cannot transport the low-viscosity slurry to The discharge port 16, only when the material viscosity is high, because the high viscosity material has the ability to close the gap and the fluidity is poor, it can be pushed to the discharge port 16 by the non-porous reduced diameter blade 14. Therefore, the device passes through the feed port 21.
  • the viscosity of the slurry at the discharge port 16 can be controlled, so that the material that reaches a certain viscosity can leave the discharge port 16.
  • the device can easily control the viscosity of the slurry. It can continuously feed and discharge the material.
  • the non-porous reduced diameter blade 14 has the function of pressurizing and conveying. In the case of low pressure conveying, it can replace the discharge pump, so no additional Set up the delivery pump.
  • the device can be used in the production of food, medicine, and chemical fiber, as an evaporator, concentrator, and reactor.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

L'invention concerne un appareil d'évaporation et de distribution continue pour une suspension dans le domaine technique de l'équipement de concentration, comprenant un boîtier formé en reliant un boîtier cylindrique (10) et un boîtier conique (13) qui sont disposés de manière coaxiale. Le boîtier cylindrique (10) est pourvue d'une sortie de vapeur (6) au niveau de la partie supérieure ; le boîtier cylindrique (10) est en outre pourvu d'un orifice d'alimentation (21) ; le boîtier conique (13) est pourvu d'un orifice de décharge (16) au niveau de l'extrémité de petit diamètre ; un rotor est disposé dans le boîtier ; des lames de propulsion hélicoïdales sont disposées à l'extérieur d'un cylindre (2) du rotor ; la lame de propulsion hélicoïdale correspondant au boîtier cylindrique (10) est une lame poreuse de diamètre égal (11), et la lame de propulsion hélicoïdale correspondant au boîtier conique (13) est une lame de diamètre réduit non poreux (14) ; une cage d'agitation (9) formée de barres de grille horizontales (1) et des barres de grille circonférentielle (12) est disposée sur la périphérie de la lame de diamètre égal poreux (11) dans le boîtier cylindrique (10) ; plusieurs lames (8) sont disposées sur la périphérie de la cage d'agitation (9), et les extrémités des lames (8) correspondent à la paroi interne du boîtier cylindrique (10). L'appareil facilite la régulation de la viscosité d'une suspension, peut être utilisé pour une production continue, et ne nécessite pas de pompe de distribution supplémentaire. L'appareil peut être utilisé dans la production d'aliments, de médicaments et de fibres chimiques, et utilisé comme évaporateur et réacteur.
PCT/CN2019/125712 2019-12-16 2019-12-16 Appareil d'évaporation et de distribution continue pour suspension Ceased WO2021119945A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/125712 WO2021119945A1 (fr) 2019-12-16 2019-12-16 Appareil d'évaporation et de distribution continue pour suspension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/125712 WO2021119945A1 (fr) 2019-12-16 2019-12-16 Appareil d'évaporation et de distribution continue pour suspension

Publications (1)

Publication Number Publication Date
WO2021119945A1 true WO2021119945A1 (fr) 2021-06-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849622A (zh) * 2022-04-18 2022-08-05 浙江亚迪纳新材料科技股份有限公司 生产涂料用高度甲基醚化三聚氰胺甲醛树脂的反应装置
CN115475571A (zh) * 2022-09-27 2022-12-16 安徽富春色纺有限公司 一种纤维染料混合设备

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008207133A (ja) * 2007-02-27 2008-09-11 National Univ Corp Shizuoka Univ 水熱酸化分解処理装置
CN101745361A (zh) * 2010-01-22 2010-06-23 扬州惠通化工技术有限公司 高粘度自洁反应器
CN202410773U (zh) * 2011-12-30 2012-09-05 宜兴国豪生物环保有限公司 一种有机垃圾粉碎挤压脱水一体机
CN104415570A (zh) * 2013-08-30 2015-03-18 陈旭 罐组式连续提取器
CN107148314A (zh) * 2014-10-31 2017-09-08 埃克森美孚化学专利公司 用于多相组合物的反应器
CN207156510U (zh) * 2017-09-06 2018-03-30 苗增茂 一种新型卧式螺旋挤压固液分离机
CN107901237A (zh) * 2017-11-08 2018-04-13 孝感全浩应用科技有限公司 一种搅拌效果好的混凝土搅拌装置
CN208131282U (zh) * 2018-01-17 2018-11-23 安徽宇宁果胶股份有限公司 一种果胶用固液分离装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008207133A (ja) * 2007-02-27 2008-09-11 National Univ Corp Shizuoka Univ 水熱酸化分解処理装置
CN101745361A (zh) * 2010-01-22 2010-06-23 扬州惠通化工技术有限公司 高粘度自洁反应器
CN202410773U (zh) * 2011-12-30 2012-09-05 宜兴国豪生物环保有限公司 一种有机垃圾粉碎挤压脱水一体机
CN104415570A (zh) * 2013-08-30 2015-03-18 陈旭 罐组式连续提取器
CN107148314A (zh) * 2014-10-31 2017-09-08 埃克森美孚化学专利公司 用于多相组合物的反应器
CN207156510U (zh) * 2017-09-06 2018-03-30 苗增茂 一种新型卧式螺旋挤压固液分离机
CN107901237A (zh) * 2017-11-08 2018-04-13 孝感全浩应用科技有限公司 一种搅拌效果好的混凝土搅拌装置
CN208131282U (zh) * 2018-01-17 2018-11-23 安徽宇宁果胶股份有限公司 一种果胶用固液分离装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849622A (zh) * 2022-04-18 2022-08-05 浙江亚迪纳新材料科技股份有限公司 生产涂料用高度甲基醚化三聚氰胺甲醛树脂的反应装置
CN115475571A (zh) * 2022-09-27 2022-12-16 安徽富春色纺有限公司 一种纤维染料混合设备

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