WO2017107304A1 - 一种处理高粘物料的熔融混合器 - Google Patents

一种处理高粘物料的熔融混合器 Download PDF

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Publication number
WO2017107304A1
WO2017107304A1 PCT/CN2016/074807 CN2016074807W WO2017107304A1 WO 2017107304 A1 WO2017107304 A1 WO 2017107304A1 CN 2016074807 W CN2016074807 W CN 2016074807W WO 2017107304 A1 WO2017107304 A1 WO 2017107304A1
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Prior art keywords
cylinder
mixer
stirring
treating
disposed
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PCT/CN2016/074807
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English (en)
French (fr)
Inventor
周越魁
高苏茂
周进
邵伯凯
王慧
张祥
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江苏瑞安特重型机械有限公司
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Publication of WO2017107304A1 publication Critical patent/WO2017107304A1/zh

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    • 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
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/005—Fusing
    • 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
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • 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
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05

Definitions

  • the invention relates to the technical field of heat exchange equipment in a fertilizer production equipment, in particular to a melt mixer for treating high viscosity materials.
  • the existing urea or ammonium nitrate and other materials melt mixing equipment due to the high viscosity of the material, the material contains more solid particles, especially the polycondensation reaction between the materials, resulting in high material viscosity, material bonding in the pipe wall Retention and blockage between pipes, so that production cannot be carried out; especially in a mixing tank and a second mixing tank of a high-tower granulating compound fertilizer device, due to the adhesion of the heating pipe and the inner wall of the equipment, the material is overheated and the material is decomposed much. This caused waste of materials and polluted the environment.
  • organic and inorganic solid materials such as urea, sulfur, ammonium nitrate and stearic acid need to be rapidly melted to meet the needs of process production.
  • organic and inorganic solid materials such as urea, sulfur, ammonium nitrate and stearic acid need to be rapidly melted to meet the needs of process production.
  • biuret it is necessary to control the content of biuret. If the content of biuret exceeds the standard, it will cause burning phenomenon; in the case of melting ammonium nitrate, there may be fire or explosion, and there is a certain danger.
  • the melting equipment of the prior art has low thermal efficiency, and the solid material cannot be melted rapidly to produce the disadvantages of deterioration caused by excessive heating time and reduced efficiency of secondary products, and coil heat transfer is often used.
  • the solid material is easy to stick and insoluble in the coil, and the energy consumption is large.
  • a solid urea melting device disclosed in Chinese Patent No. CN101391904B aims to solve the technical problem that the prior art devices have low melting efficiency, easy to produce biuret, difficult to clean and maintain, and high operating cost.
  • the device of the present invention comprises a melting tank, a stirring mechanism, a heating coil disposed in the melting tank, and the stirring shaft and the stirring blade of the stirring mechanism are located in the melting tank, wherein the bottom surface of the melting tank is curved, at the bottom of the curved surface.
  • a drain port is provided; an overflow port connecting the spray pipe is arranged at an upper portion of the side wall of the melting tank; at least two upper and lower stirring blades are arranged on the stirring shaft; a guide tube is arranged in a lower portion of the inner side of the heating coil, and the lower layer is stirred
  • the paddle is matched in the guide tube.
  • the solid urea melting device provided by the invention does not have an external heating structure, and the internal heating coil easily causes the material to stick between the coils, and the heating is too long and deteriorates, and the stirring cannot be sufficient. .
  • Chinese patent CN202558785U discloses a tower melt granulation non-powered quick urea melter.
  • the utility model comprises a casing with a head at the upper end, a skirt seat mounted under the casing, a feeding port on the sealing head, a cleaning opening at the lower end of the casing, a steam inlet and a steam outlet and a discharge port on the side wall of the casing Housing
  • a heating body is disposed in the inner cavity, and two ends of the heating body are respectively connected to the steam inlet and the steam outlet, wherein the heating body comprises a tubular sandwich structure, an upper horizontal tube disposed at an upper end of the tubular shell, and a setting a lower cross tube at the lower end of the shell, a vertical tube connected between the upper cross tube and the lower cross tube, the axes of the upper cross tube and the lower cross tube being perpendicular to the tube shell, and the ends of the upper cross tube and the lower cross tube
  • the upper end of the vertical tube is in communication with the upper horizontal tube, and
  • the present invention provides a melt mixer for treating high-viscosity materials.
  • the technical scheme adopted by the invention is: a melt mixer for treating high-viscosity materials
  • the main body is a mixer cylinder body, an upper head, a lower head and a stirring device disposed in the body of the mixer body, the stirring The device is mounted on the upper head, and the upper head and the lower head are disposed on the mixer body.
  • the innovation is that the inner body of the mixer body is also provided with a plurality of inner jackets and scraping materials.
  • each inner jacket being paired with an inner bracket fixed to a bottom of the cylinder of the mixer cylinder body, the inner bracket
  • the inner jacket is fixedly arranged, and the outer heater is evenly fixed on the outer surface of the mixer cylinder; the scraping device and the stirring device can be driven by the same motor, or can be driven by two motors respectively.
  • the number of the inner jackets is 1-4.
  • the inner jacket comprises an inner cylinder, an outer cylinder and an annular semicircular tube
  • the outer cylinder is sleeved outside the inner cylinder, and the center line positions of the two are identical
  • the annular semicircular tube is arranged At both ends of the inner cylinder and the outer cylinder, the annular semicircular tube is welded to both ends of the inner cylinder and the outer cylinder.
  • the diameter of the inner cylinder is smaller than the diameter of the outer cylinder by 60 mm to 200 mm.
  • the diameter of the inner cylinder is smaller than the diameter of the outer cylinder by 90 mm to 130 mm.
  • the annular semicircular tube comprises an upper annular semicircular tube and a lower annular semicircular tube, and the upper end of the inner cylinder and the outer cylinder are respectively weldedly connected with the upper annular semicircular tube, and the lower end of the inner cylinder and the outer cylinder They are respectively welded to the lower annular semicircular pipe.
  • the stirring device comprises a motor part, a shifting part, a bearing box with a hollow shaft, a stirring shaft and a stirring paddle, the stirring paddle is fixed on the stirring shaft, the stirring shaft and the bearing box, the shifting part and the electric power
  • the machine part is connected;
  • the agitator shaft is installed in the hollow shaft, the hollow shaft and the agitating shaft are connected to the shifting portion and the motor part through the bearing box, and the hollow shaft and the agitating shaft can be rotated in different directions in the same direction or in the opposite direction under the driving of the motor part and the shifting part.
  • the center of the mixer body rotates to drive the scraping device and the stirring device to rotate;
  • the stirring blade is a propeller, and the propeller is provided with 2 to 3 sets of stirring blades, and each set of stirring blades is provided with 2 stirring blades .
  • the scraping device comprises a scraper plate set and a scraper arm, the scraper plate A and the plurality of scraper plates B are connected by a scraper arm, and the scraper arm is welded on the hollow shaft;
  • the plate set includes a scraper plate A and a plurality of sets of scraper plates A disposed near the inner wall of the cylinder of the mixer body and closely adjacent to the inner wall of the cylinder, and the plurality of scraper plates B are disposed at The inner and outer cylinders of the inner jacket are near the vertical wall surface and are in close contact with the outer wall surface of the inner and outer cylinders constituting the inner jacket.
  • the mixer body further includes an external heater, and the external heater is a plurality of heating coils, and the plurality of heating coils are evenly disposed on the outer circumference of the mixer cylinder.
  • the inner jacket is further provided with a reinforcing device which is installed between the inner cylinder and the outer cylinder and is welded to realize the reinforcement between the inner cylinder and the outer cylinder.
  • the inner jacket can withstand high internal pressure and external pressure.
  • the reinforcing device is a round steel or a thick wall pipe.
  • the above-mentioned scraping device and stirring paddle can be driven by one motor or by two motors.
  • an overflow port is also mounted on the cylinder, and the distance between the horizontal center line of the overflow port and the upper annular semicircular pipe of the inner jacket is 100 mm to 400 mm.
  • the melt mixer for treating high-viscosity materials of the present invention has low cost, high thermal efficiency, low energy consumption and low operating cost, and effectively prevents sticking, closing and agglomeration of materials during heating.
  • the equipment has low exhaust emissions, low environmental pollution, easy handling of exhaust gas, and simple installation and commissioning of equipment.
  • the melt mixer for treating a high-viscosity material of the present invention wherein the inner jacket is placed in a molten mixing vessel, and the wall of the molten mixing vessel is provided in the form of a jacket heating or an outer coil heating, in the molten mixing vessel A stirring agitating blade is disposed in the middle, and the agitating paddle is used as an inner guiding tube.
  • the melt mixer for treating high-viscosity materials of the present invention the inner and outer two cylinders constituting the inner jacket are welded and strengthened by round steel or thick-walled tubes or other reinforcing devices, so that the inner and outer jackets can be inside and outside Sustain enough
  • the positive or negative pressure is used to pass a pressurized heating medium to heat the medium outside the inner jacket.
  • the melt mixer for treating high-viscosity materials of the present invention the inner and outer cylinders of the inner jacket used as the guide tube are reinforced by round steel welded joints, smoothed after welding, and can also be made into inner jackets. There is no sputum between the inner and outer cylinders, and only the upper part and the lower part can flow liquid.
  • the melt mixer for treating a high-viscosity material of the present invention the inner jacket is introduced into the melt mixing device, so that only the vertical cylindrical wall is in contact with the material to be heated, so that the heated material is not easily adhered to the heating device.
  • the invention solves the problems existing in the existing equipment, in particular, solves the problem that a mixing tank and a second mixing tank in the high-tower granulation compounding fertilizer device are blown away by steam for a long time due to the adhesiveness of the internal materials, so that the blowing is long.
  • the removed material sticks to the tower wall, resulting in high water content, reduced product rate, and the problem that production cannot be carried out normally when the viscosity is severe.
  • the melt mixer for treating a high-viscosity material of the present invention is further provided with a scraper plate at a near wall surface of the inner wall of the cylinder body of the mixer body and a near wall surface of the vertical wall surface of the inner and outer cylinders, which can effectively clean the molten mixture.
  • a small amount of viscous material on the inner wall of the inner wall of the inner and outer cylinders of the inner jacket and the inner jacket of the inner jacket further solves the problem of material sticking.
  • Figure 1 is a schematic view showing the structure of the present invention driven by two motors
  • Figure 2 is a schematic view showing the structure of the present invention driven by a motor
  • Figure 3 is a cross-sectional view of the inner jacket connected by round steel in the embodiment
  • Figure 4 is a cross-sectional view of the inner jacket connected by a thick wall pipe in the present embodiment.
  • the embodiment relates to a melt mixer for treating high-viscosity materials, as shown in FIGS. 1-2: the main body is a mixer cylinder body 10, an upper head 8, a lower head 16, and a mixer body 10; In the internal stirring device, the stirring device is mounted on the upper sealing head 8, and the upper sealing head 8 and the lower sealing head 16 are disposed on the mixer cylinder body 10.
  • the mixer cylinder body 10 further comprises a plurality of inner jackets 14, An inner bracket 23 and an outer heater matched with the inner jacket 14 number, each inner jacket 14 is paired with an inner bracket 23, and the inner bracket is fixed to the mixture
  • the bottom of the cylinder body of the cylinder body 10 is fixedly provided with an inner jacket 14 on the inner bracket, the outer heater is uniformly fixed on the outer surface of the mixer cylinder body 10, and the outer heater is provided with an outer heating medium inlet 21 and an external heating condensation.
  • the number of the inner jackets 14 is 1-4.
  • the tubular body 10 further includes a drain outlet 18 , and the drain outlet 18 is disposed at the bottom of the tubular body 10 ; the inner side of the lower end of the tubular body 10 is respectively provided with an inner jacket steam inlet 19 and an inner jacket Condensate outlet 16; on the upper head 8 is also installed with a solid material feed port 5, urea (or ammonium nitrate) liquid feed port 7, exhaust port 6; when used as a melter, solid material feed port 5
  • the easy-melting material such as urea (or ammonium nitrate) is added, and when used as a mixer, the solid material feed port 5 can be added with a non-meltable material.
  • the inner jacket 14 includes an inner cylinder 142, an outer cylinder 144 and an annular semicircular tube.
  • the outer cylinder 144 is sleeved outside the inner cylinder 142, and the center line positions thereof are the same, and the annular semicircle
  • the tube is disposed at both ends of the inner cylinder 142 and the outer cylinder 144, and the annular semicircular tube is welded to the inner cylinder 142 and the two ends of the outer cylinder 144.
  • the annular semicircular tube includes an upper annular semicircular tube 141 and a lower annular semicircular tube 145, and the upper end of the inner cylinder 142 and the outer cylinder 144 are fixedly connected to the upper annular semicircular tube 141, respectively, and the inner cylinder 142 and the outer tube.
  • the lower ends of the cylinders 144 are fixedly coupled to the lower annular semicircular tubes 145, respectively.
  • the inner jacket 14 is arranged in a straight cylinder type, and the straight inner jacket is not easy to make the material hang on the wall, thereby avoiding the material sticking to the inner jacket surface and causing the material to be thermally decomposed or produce by-products for a long time.
  • the inner jacket 14 can also be provided with reinforcing means to strengthen the inner and outer cylinders.
  • the reinforcing device is installed between the inner cylinder 142 and the outer cylinder 144, and is welded to realize the connection between the inner cylinder 142 and the outer cylinder 144 and strengthens so that the inner jacket can bear enough inside and outside.
  • Positive pressure or negative pressure wherein, as shown in FIG. 3, the reinforcing device is round steel 1431 or as shown in FIG. 4: the reinforcing device is a thick-walled tube 1432.
  • the outer heater is a heating coil 9, and the heating coil 9 is evenly arranged in the mixture The outer circumference of the body of the clutch body 10.
  • the heating coil 9 is provided with an outer heating medium inlet 17 and an outer heating condensing water outlet 20.
  • the heating coil 9 is welded to the cylinder body 10, and preferably, the heating coil 9 is a semicircular tube;
  • the heating medium may be water vapor or heat transfer oil.
  • the stirring device is composed of a motor portion, a shifting portion, a bearing housing 3, a stirring shaft 9 and a stirring blade 15, and the stirring blade 15 is fixed on the stirring shaft 9, and the stirring shaft 9 is provided with a hollow shaft 901 therein.
  • the bearing housing 3, the shifting portion and the motor portion are connected; the hollow shaft 901 is provided with a stirring shaft 9, and the hollow shaft 901 and the stirring shaft 9 are rotated by the shifting portion and the motor portion, and the stirring blade 15 is a propeller, and the propeller is provided with 2 ⁇
  • Three sets of stirring blades are provided, and each set of stirring blades is provided with 2 to 3 stirring paddle blades.
  • the scraping device in the tubular body 10 includes a scraping arm 123 and a scraping plate set, and the scraping plate set includes a scraping plate A121 and a plurality of scraping plates B122.
  • the scraper plate A121 is disposed at the inner wall surface of the inner wall of the cylinder body 10
  • the scraper plate B122 is disposed at the inner wall surface of the inner and outer cylinders of the inner jacket 14; the scraping plate A121 and the plurality of scraping plates B122 Attached to the scraper arm 123, the scraper arm 123 is welded to the hollow shaft 901.
  • the scraper plate and the agitating paddle mentioned above may be driven by one motor or by two motors.
  • the stirring paddle and the scraping plate of the embodiment are respectively driven by two motors.
  • the motor part includes a stirring motor 101, a scraper motor 102, a shifting part is a gearbox 201, and the other part is a stirring hollow shaft 901.
  • the scraper arm, the bearing box 3 and the transmission bracket 4 the agitating paddle 15 is rotated by the agitating motor 101 through the reduction gear box 201, the bearing housing 3, the agitating shaft 9, and the scraping plate group is passed by the scraping plate motor 102 through the reduction gear box 201,
  • the bearing housing 3, the hollow shaft 901, and the scraper arm 123 drive rotation; as shown in FIG.
  • the stirring paddle and the scraper plate of the embodiment are driven by one motor, including a speed reducer 202, a shifting device 203, a bearing housing 3, Support frame 4, agitating shaft 9, agitating paddle 15 and hollow shaft 901, scraper arm 123, scraper plate set; agitating shaft 9 and hollow shaft 901 outer bearing bearing box 3, shifting device 203 and reducer 202, motor 1 passes
  • the shifting device 203 and the speed reducer 202 are shifted, and the bearing housing 3 is supported to drive the stirring slurry and the scraper plate to rotate.
  • the overflow body 11 and the support 20 are further mounted on the cylinder body 10.
  • the bottom of the solid material feed port 5 is Overflow Above the center line of the port 11 and between the center line of the overflow port 11 is between 150 mm and 300 mm, and the top surface of the upper annular semicircular tube 141 of the inner jacket 14 is below the center line of the liquid overflow port and is separated from the liquid overflow
  • the center line of the nozzle is between 100mm and 400mm.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
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Abstract

一种处理高粘物料的熔融混合器，主体为混合器筒体本体(10)、上封头(8)、下封头(16)和设置于混合器筒体本体(10)内的搅拌装置，搅拌装置安装在上封头(8)上，上封头(8)和下封头(16)设置在混合器筒体本体(10)上；混合器筒体本体(10)内还安装有若干个内夹套(14)、刮料装置、与内夹套(14)个数匹配的内支架(23)和外加热器，每个内夹套(14)与一个内支架(23)配对，内支架(23)固定于混合器筒体本体(10)的筒体底部，内支架(23)上固定设置内夹套(14)；外加热器均匀固定于混合器筒体本体(10)外表面；刮料装置与搅拌装置可以由同一台电机带动，也可以分别由两台电机带动。

Description

一种处理高粘物料的熔融混合器 技术领域
本发明涉及一种化肥生产设备中的换热设备技术领域，尤其涉及一种处理高粘物料的熔融混合器。
背景技术
现有的尿素或硝铵与其他物料的熔融混合设备，由于物料粘度大，物料中含有的固体颗粒较多，特别是物料之间产生的缩聚反应，导致物料粘度高，物料在管壁粘结滞留、堵塞管间，使生产无法进行；特别是高塔造粒复合肥装置的一混槽、二混槽，由于加热管及设备内壁的黏蘸，导致物料过度加热，使物料分解多，既造成了物料的浪费，又污染了环境。
在化工生产过程中，特别是在复合肥、硫磺制酸、尿素和硬脂酰氯生产过程中需要将尿素、硫磺、硝铵和硬脂酸等有机无机固体物料快速熔融，以满足工艺生产需要。在熔融颗粒尿素时，要控制缩二脲的含量，如果缩二脲的含量超标，会造成烧苗现象；在熔融硝铵磷时，会有着火或爆炸的可能，存在一定的危险性，要充分考虑设备的安全性，现有技术中的熔融设备存在热效率低，固体物料加入后不能快速熔融产生受热时间过长导致的变质和次级产物产生降低功效的弊端，多采用盘管换热，固体物料易黏蘸在盘管间不溶结块，能耗大。
如中国专利CN101391904B公开的一种固体尿素熔融装置，旨在解决现有该类装置熔融效率不高、易产生缩二脲、难于清理维护，且运营成本高的技术问题。本发明装置包括熔融罐、搅拌机构、设置于熔融罐内的加热盘管，所述搅拌机构的搅拌轴及搅拌桨位于熔融罐内，其特征在于，所述熔融罐底面为曲面，在曲面底部设置排净口；在熔融罐侧壁上部设置连通喷浆管的溢流口；搅拌轴上至少布设上、下两层搅拌桨；在加热盘管内侧的下部区域设置导流筒，且下层搅拌桨匹配于该导流筒内，本发明提供的一种固体尿素熔融装置，没有设置外部加热结构，内部加热盘管易使物料黏蘸在盘管之间，受热过长变质，搅拌不能够充分。
如中国专利CN202558785U公开的是一种塔式熔体造粒无动力快速尿素熔融器。包括上端带有封头的壳体、安装在壳体下面的裙座，封头上设置加料口，壳体的下端设置清理口，壳体的侧壁上设置蒸汽入口和蒸汽出口、出料口，壳体的 内腔中设置加热体，所述加热体的两端分别与蒸汽入口和蒸汽出口连接，其特征在于：所述加热体包括管状夹层结构的管壳、设置在管壳上端的上横管、设置在管壳下端的下横管、连接在上横管和下横管之间的竖管，所述上横管和下横管的轴线与管壳垂直，上横管和下横管的两端与管壳的夹层连通，竖管的上端与上横管连通，竖管的下端与下横管连通。没有设置搅拌装置，物料受热不均匀，容易使物料受热时间过长变质，此设备还需设计混合器与之协同工作。
发明内容
为克服现有技术中存在的物料过度加热，使物料分解多，既造成了物料的浪费，又污染了环境问题，本发明提供了一种处理高粘物料的熔融混合器。
本发明采用的技术方案为：一种处理高粘物料的熔融混合器，主体为混合器筒体本体、上封头、下封头和设置于混合器筒体本体内的搅拌装置，所述搅拌装置安装在上封头上，所述上封头和下封头设置在混合器筒体本体上，其创新点在于：所述混合器筒体本体内还安装有若干个内夹套、刮料装置、与内夹套个数匹配的内支架和外加热器，所述每个内夹套与一个内支架配对，该内支架固定于混合器筒体本体的筒体底部，所述内支架上固定设置内夹套，外加热器均匀固定于混合器筒体本体外表面；刮料装置与搅拌装置可以由同一台电机带动，也可以分别由两台电机带动。
在此基础上，所述内夹套的个数为1～4个。
在此基础上，所述内夹套包括内圆筒、外圆筒和环形半圆管，所述外圆筒套设于内圆筒外，且两者中心线位置一致，所述环形半圆管设置于内圆筒及外圆筒两端，且环形半圆管与内圆筒及外圆筒的两端焊接连接。
在此基础上，所述内圆筒的直径比外圆筒的直径小60mm～200mm。
在此基础上，所述内圆筒的直径比外圆筒的直径小90mm～130mm。
在此基础上，所述环形半圆管包括上环形半圆管和下环形半圆管，所述内圆筒和外圆筒上端分别与上环形半圆管焊接连接，所述内圆筒和外圆筒下端分别与下环形半圆管焊接连接。
在此基础上，所述搅拌装置包括电机部分、变速部分、内设有空心轴的轴承箱、搅拌轴和搅拌桨，搅拌桨固定于搅拌轴上，搅拌轴与轴承箱、变速部分及电 机部分连接；空心轴内安装搅拌轴，空心轴及搅拌轴通过轴承箱连接变速部分及电机部分，空心轴及搅拌轴在电机部分及变速部分的带动下可以不同的速度同向或异向围绕混合器筒体本体中心转动，从而带动刮料装置及搅拌装置旋转；所述搅拌桨为螺旋桨，该螺旋桨上设置有2～3组搅拌桨叶，每组搅拌桨叶设置有2个搅拌桨叶片。
在此基础上，所述刮料装置包括刮料板组和刮料臂，刮料板A和若干个刮料板B由刮料臂连接，刮料臂焊接在空心轴上；所述刮料板组包括刮料板A和若干组刮料板B，该刮料板A设置在混合器筒体本体的筒体内壁附近，并紧贴筒体内壁，所述若干个刮料板B设置在内夹套的内外圆筒竖直壁面附近，并紧贴组成内夹套的内外圆筒的外壁面。
在此基础上，所述混合器筒体本体上还包括外加热器，所述外加热器为若干根加热盘管，所述若干根加热盘管均匀设置于混合器筒体本体外周。
在此基础上，所述内夹套还设置有加强装置，该加强装置安装于内圆筒和外圆筒之间，且采用焊接连接，实现内圆筒和外圆筒之间的加固作用，使得内夹套可承受较高的内压及外压。
在此基础上，所述加强装置为圆钢或厚壁管。
上述提到的刮料装置与搅拌桨可以由一台电机带动，也可以由两台电机分别带动。
在此基础上，所述筒体上还安装有溢流口，所述溢流口水平中心线与内夹套的上环形半圆管之间的距离为100mm～400mm。
与现有技术相比，本发明的有益效果是：
(1)本发明的处理高粘物料的熔融混合器，造价低、热效率高，能耗及操作成本低，且有效地防止了物料在加热过程中的黏蘸现象、闭聚与结块现象，设备的尾气排放少，对环境污染小，尾气的处理简单易行，设备的安装及调试简单。
(2)本发明的处理高粘物料的熔融混合器，将内夹套置于熔融混合容器内，熔融混合容器的器壁设置为夹套加热或外盘管加热的形式，在熔融混合容器的中间设置搅拌搅拌桨叶，该搅拌搅拌桨叶把与之靠近的内夹套当作内导流筒使用。
(3)本发明的处理高粘物料的熔融混合器，将组成内夹套的内外两圆筒用圆钢或厚壁管或其他加强装置进行焊接连接加强，使其内夹套内、外可承受足够 的正压或负压，其内用以通入带有压力的加热介质，使内夹套外的介质得以加热。
(4)本发明的处理高粘物料的熔融混合器，将兼做导流筒使用的内夹套的内外两圆筒用圆钢焊接连接加强，焊接后打磨光滑，还可以使得组成内夹套的内外两圆筒间不窜液，只有其上部和其下部可以流动液体的作用。
(5)本发明的处理高粘物料的熔融混合器，把内夹套引入熔融混合设备内，这样只有竖直的圆筒壁与被加热物料接触，使被加热物料不易蘸黏到加热设备上，解决了现有设备存在的问题，特别是解决了高塔造粒复混肥装置中的一混槽、二混槽由于其内部物料的黏蘸，导致用蒸汽吹除清理时间长，使吹除出的物料黏蘸高塔塔壁，导致产品含水高、产品率降低，黏蘸严重时使生产无法正常持续进行的问题。
(6)本发明的处理高粘物料的熔融混合器，在混合器筒体本体的筒体内壁近壁面处和内外圆筒竖直壁面近壁面处还设置了刮料板，可以有效清理熔融混合器的器内壁上和内夹套的内外圆筒竖直壁面上的蘸黏的少量物料，进一步解决物料黏蘸的问题。
附图说明
图1是本发明由两台电机传动的结构示意图；
图2是本发明由一台电机传动的结构示意图；
图3是本实施例中使用圆钢连接的内夹套剖视图；
图4是本实施例中使用厚壁管连接的内夹套剖视图。
具体实施方式
以下结合附图和实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
本实施例涉及一种处理高粘物料的熔融混合器，如图1～2所示：主体为混合器筒体本体10、上封头8、下封头16和设置于混合器筒体本体10内的搅拌装置，搅拌装置安装于上封头8上，上封头8和下封头16设置在混合器筒体本体10上，混合器筒体本体10还包括有若干个内夹套14、与内夹套14个数匹配的内支架23和外加热器，每个内夹套14与一个内支架23配对，该内支架固定于混 合器筒体本体10的筒体底部，内支架上固定设置内夹套14，外加热器均匀固定于混合器筒体本体10外表面，外加热器设置有外加热介质进口21和外加热冷凝水出口17。作为优选的，内夹套14的个数为1～4个。
作为优选的，如图1所示：筒体本体10还包括排污口18，排污口18设置在筒体本体10底部；筒体本体10下端两侧分别设置内夹套蒸汽进口19和内夹套冷凝水出口16；在上封头8上还安装有固体物料进料口5、尿素(或硝铵)液进料口7、排气口6；用作熔融器时，固体物料进料口5加入的是尿素(或硝铵)等易熔融物料，用作混合器时，固体物料进料口5可加入不易熔融物料。
如图2或3所示：内夹套14包括内圆筒142、外圆筒144和环形半圆管，外圆筒144套设于内圆筒142外，且两者中心线位置一致，环形半圆管设置于内圆筒142及外圆筒144两端，且环形半圆管与内圆筒142及与外圆筒144的两端焊接连接。
如图3或4所示：环形半圆管包括上环形半圆管141和下环形半圆管145，内圆筒142和外圆筒144上端分别与上环形半圆管141固定连接，内圆筒142和外圆筒144下端分别与下环形半圆管145固定连接。本实施方式设置内夹套14为直筒型，直筒型内夹套不易使物料挂壁，从而避免了物料在内夹套表面粘黏结块，使物料长时间受热分解或产生副产物。当然，内夹套14上还可以增加加强装置，来加强内外圆筒。该加强装置安装于内圆筒142和外圆筒144之间，且采用焊接连接，实现内圆筒142和外圆筒144之间的连接且加强作用，以使得内夹套内外可承受足够的正压或负压；其中，如图3所示：加强装置为圆钢1431或如图4所示：加强装置为厚壁管1432。
如图3所示：用圆钢1431焊接连接加强，保证使其内夹套内、外可承受足够的正压或负压，其内用以通入带有压力的加热介质，使内夹套外的介质得以加热，将圆钢焊接后打磨光滑，使组成内夹套的内外两圆筒间不窜液，只有其上部和其下部可以流动液体，可以起到导流筒的作用；如图4所示：选用厚壁管1432加强连接，由于厚壁管1432将内圆筒142与外圆筒144连通，加强了内圆筒和外圆筒的连接同时扩大了内夹套换热面积，可在内夹套不作为导流筒使用的位置使用，提高设备热效率，使物料更多的快速熔融。
如图1所示：作为优选，外加热器为加热盘管9，加热盘管9均匀设置于混 合器筒体本体10外周。加热盘管9设置有外加热介质进口17和外加热冷凝水出口20，本实施例中，加热盘管9与筒体本体10焊接连接，作为优选，加热盘管9呈半圆管；本实施例中，加热介质可以为水蒸汽或者导热油，当加热介质为水蒸汽时，蒸汽分别从外加热介质进口19及内夹套蒸汽进口21进入，经过加热盘管9及内夹套14换热冷凝后，冷凝水由外加热冷凝水出口22及内夹套冷凝水出口17排出。
如图1或2所示：搅拌装置由电机部分、变速部分、轴承箱3、搅拌轴9和搅拌桨15，搅拌桨15固定于搅拌轴9上，搅拌轴9与内设有空心轴901的轴承箱3、变速部分及电机部分连接组成；空心轴901内安装搅拌轴9，空心轴901及搅拌轴9由变速部分及电机部分带动旋转，搅拌桨15为螺旋桨，该螺旋桨上设置有2～3组搅拌桨叶，每组搅拌桨叶设置有2～3个搅拌桨叶片。
如图1或2所示：筒体本体10内的刮料装置，刮料装置包括刮料臂123和刮料板组，刮料板组包括刮料板A121和若干个刮料板B122，该刮料板A121设置在筒体本体10的筒体内壁近壁面处，刮料板B122设置在内夹套14的内外圆筒竖直壁面近壁面处；刮料板A121和若干个刮料板B122连接在刮料臂123上，刮料臂123焊接在空心轴901上。
上述提到的刮料板与搅拌桨可以由一台电机带动，也可以由两台电机分别带动。如图1所示，本实施例搅拌桨和刮料板分别采用两台电机带动旋转，电机部分包括搅拌电机101、刮料板电机102、变速部分为变速箱201、其它部分为搅拌空心轴901、刮料臂、轴承箱3和传动支架4，搅拌桨15由搅拌电机101通过减速箱201、轴承箱3、搅拌轴9带动旋转，刮料板组由刮料板电机102通过减速箱201、轴承箱3、空心轴901、刮料臂123带动旋转；如图2所示，本实施例搅拌桨和刮料板采用1台电机带动旋转，包括减速机202、变速装置203、轴承箱3、支撑架4、搅拌轴9、搅拌桨15和空心轴901、刮料臂123、刮料板组；搅拌轴9和空心轴901外套装轴承箱3、变速装置203及减速机202，电机1通过变速装置203及减速机202变速，轴承箱3支承，带动搅拌浆及刮料板旋转。
在本实施例中，在筒体本体10上还安装有溢流口11和支座20，为了保证料液进行最好的熔融混合效果，作为优选的，上述固体物料进料口5的底部在溢流 口11的中心线上方且距溢流口11的中心线在150mm～300mm之间，内夹套14的上环形半圆管141的顶面在料液溢流口中心线的下方且距料液溢流口中心线在100mm～400mm之间。
上述说明示出并描述了本发明的优选实施例，如前所述，应当理解本发明并非局限于本文所披露的形式，不应看作是对其他实施例的排除，而可用于各种其他组合、修改和环境，并能够在本文所述发明构想范围内，通过上述教导或相关领域的技术或知识进行改动。而本领域人员所进行的改动和变化不脱离本发明的精神和范围，则都应在本发明所附权利要求的保护范围内。

Claims (10)

  1. 一种处理高粘物料的熔融混合器，主体为混合器筒体本体(10)、上封头(8)、下封头(16)和设置于混合器筒体本体(10)内的搅拌装置，所述搅拌装置安装在上封头(16)上，所述上封头(8)和下封头(16)设置在混合器筒体本体(10)上，其特征在于：所述混合器筒体本体(10)内还安装有若干个内夹套(14)、刮料装置、与内夹套(14)个数匹配的内支架(23)和外加热器，所述每个内夹套(14)与一个内支架(23)配对，该内支架(23)固定于混合器筒体本体(10)的筒体底部，所述内支架(23)上固定设置内夹套(14)；所述外加热器均匀固定于混合器筒体本体(10)外表面；刮料装置与搅拌装置可以由同一台电机带动，也可以分别由两台电机带动。
  2. 根据权利要求1所述的处理高粘物料的熔融混合器，其特征在于：所述内夹套(14)的个数为1～4个。
  3. 根据权利要求1或2所述的处理高粘物料的熔融混合器，其特征在于：所述内夹套(14)包括内圆筒(142)、外圆筒(144)和环形半圆管，所述外圆筒(144)套设于内圆筒(142)外，且两者中心线位置一致，所述环形半圆管设置于(142)及外圆筒(144)两端，且环形半圆管与内圆筒(142)及外圆筒(144)的两端焊接连接。
  4. 所根据权利要求3所述的处理高粘物料的熔融混合器，其特征在于：所述内圆筒(142)的直径比外圆筒(144)的直径小60mm～200mm。
  5. 根据权利要求3所述的处理高粘物料的熔融混合器，其特征在于：所述内圆筒(142)的直径比外圆筒(144)的直径小90mm～130mm。
  6. 根据权利要求3所述的处理高粘物料的熔融混合器，其特征在于：所述环形半圆管包括上环形半圆管(141)和下环形半圆管(145)，所述内圆筒(142)和外圆筒(144)上端分别与上环形半圆管(141)焊接连接，所述内圆筒(142)和外圆筒(144)下端分别与下环形半圆管(145)焊接连接。
  7. 根据权利要求1所述的处理高粘物料的熔融混合器，其特征在于：所述搅拌装置包括电机部分、变速部分、内设有空心轴(901)的轴承箱(3)、搅拌轴(9)和搅拌桨(15)，搅拌桨(15)固定于搅拌轴(9)上，搅拌轴(9)与轴承箱(3)、变速部分及电机部分连接；空心轴(901)内安装搅拌轴(9)，空心轴(901)及搅拌轴(9)通过轴承箱(3)连接变速部分及电机部分，空心轴(901)及搅拌 轴在(9)电机部分及变速部分的带动下可以不同的速度同向或异向围绕混合器筒体本体(10)中心转动，从而带动刮料装置及搅拌装置旋转；所述搅拌桨(15)为螺旋桨，该螺旋桨上设置有2～3组搅拌桨叶，每组搅拌桨叶设置有2个搅拌桨叶片。
  8. 根据权利要求1所述的处理高粘物料的熔融混合器，其特征在于：所述刮料装置包括刮料板组和刮料臂(123)，该刮料板组包括刮料板A(121)和若干个刮料板B(122)，该刮料板A(121)设置在混合器筒体本体(10)的筒体内壁近壁面处，并紧贴筒体内壁，所述刮料板B(122)设置在内夹套(14)的内外圆筒竖直壁面近壁面处，并紧贴组成内夹套的内外圆筒的外壁面；所述刮料板A(121)和若干个刮料板B(122)由刮料臂(123)连接，刮料臂(123)焊接在空心轴(901)上。
  9. 根据权利要求1所述的处理高粘物料的熔融混合器，其特征在于：所述混合器筒体本体(10)上还包括外加热器，所述外加热器为若干根加热盘管(9)，所述若干根加热盘管(9)均匀设置于混合器筒体本体(10)外周。
  10. 根据权利要求3所述的处理高粘物料的熔融混合器，其特征在于：所述内夹套(14)还设置有加强装置，该加强装置安装于内圆筒(142)和外圆筒(144)之间，且采用焊接连接，实现内圆筒(142)和外圆筒(144)之间的加固作用，使得内夹套可承受较高的内压及外压。
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CN110860262A (zh) * 2019-12-24 2020-03-06 福州大学 一种高粘物料的热质传递及反应装置
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CN117160396A (zh) * 2023-11-02 2023-12-05 冠森新材料(烟台)有限公司 一种高效化工反应釜
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