WO2022222356A1 - Sandy material/fertilizer granulation drum - Google Patents

Sandy material/fertilizer granulation drum Download PDF

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Publication number
WO2022222356A1
WO2022222356A1 PCT/CN2021/119228 CN2021119228W WO2022222356A1 WO 2022222356 A1 WO2022222356 A1 WO 2022222356A1 CN 2021119228 W CN2021119228 W CN 2021119228W WO 2022222356 A1 WO2022222356 A1 WO 2022222356A1
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WIPO (PCT)
Prior art keywords
granulation
drum
fertilizer
zone
sandy
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PCT/CN2021/119228
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French (fr)
Chinese (zh)
Inventor
王仁宗
聂响亮
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湖北富邦科技股份有限公司
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Publication of WO2022222356A1 publication Critical patent/WO2022222356A1/en

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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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
    • 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
    • C05G5/00—Fertilisers characterised by their form
    • 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
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/10—Solid or semi-solid fertilisers, e.g. powders
    • C05G5/12—Granules or flakes

Definitions

  • the utility model relates to the field of fertilizer production equipment, in particular to a sandy material/fertilizer granulation drum.
  • the agglomeration granulation equipment usually has a disc and a drum, both of which are general equipment for granulation.
  • discs or drums can achieve the purpose of granulation into balls, but for sandy materials or sandy fertilizers, granulation is very difficult, especially in industrial production, the bonding of sandy materials into balls The performance is extremely poor, it is difficult to form a ball or the quality of the ball is very poor, which is not conducive to subsequent processing and cannot be industrialized.
  • CN208894164U discloses a high-efficiency drum-type granulator, including a frame, a granulating drum, an auxiliary drum and an anti-sticking material mechanism.
  • the granulating drum is tilted and rotated at a small angle on the frame, and the auxiliary drum is sleeved Connected to the granulation drum, the two ends of the frame are respectively fixed with corresponding support rods, the two ends of the auxiliary drum are respectively arranged in a circular cone shape, and the two ends of the auxiliary drum are respectively fixed with corresponding support rods.
  • a support shaft one end of the support shaft not fixed to the auxiliary drum is respectively rotatably installed on the corresponding support rod, the auxiliary drum is located under the granulation drum, the outer side wall of the top of the auxiliary drum and the inner side wall of the top of the granulation drum
  • the anti-sticking material mechanism is arranged therebetween, and the anti-sticking material mechanism includes an S-shaped scraping plate, and the upper and lower end surfaces of the S-shaped scraping plate are respectively fixed with hard bristles.
  • CN207187684U discloses a granulator for fertilizer production, comprising a granulator frame, a granulation drum installed on the frame, a driven gear sleeved and fixed on the granulation drum, and a drive connected to the output shaft of a motor Gear, the driven gear and the driving gear are meshed with the outer casing of the two ends of the granulation drum, and the outer wall of the granulation drum is spaced along the circumferential direction of the granulation drum on the outer wall opposite to the vibration shell.
  • CN208679071U discloses a drum type granulator, rotatable rollers are fixed on both sides of the front and rear ends of the granulation drum through supports, rolling rings are set on the outer sides of the front and rear ends of the granulation drum, and the granulation drum is installed on the Before the two sets of rollers, the roller drives the rolling ring, and then drives the granulating drum to rotate.
  • the middle and outer side of the granulating drum is covered with a gear ring, and a motor reducer unit is fixed on one side of the granulating drum. The motor reducer unit is driven by the gear ring.
  • a screening machine is arranged on one side of the discharge port of the granulation drum; a layer of plastic layer is arranged on the inner wall of the granulation drum, and a spiral ring is arranged on the plastic layer at the same time.
  • CN210711332U discloses a compound fertilizer granulation device, comprising: a frame; a granulation drum, which is rotatably installed on the frame, one end of the granulation drum is a feeding end, the other end is a discharging end, and the height of the feeding end is Higher than the discharge end, there is a discharge baffle ring at the discharge end, and an inner baffle ring is installed in the granulation drum, and the inner baffle ring divides the inner cavity of the granulation drum into a mixing chamber on the side of the feeding end and a mixing chamber on the side near the discharge end.
  • the granulation chamber on one side of the material end, the mixing chamber and the granulation chamber communicate with each other.
  • the material of the compound fertilizer granulation device is not easy to agglomerate, the mixing uniformity of the slurry and the powder is good, and the product granulation quality is good.
  • the utility model provides a sandy material/fertilizer granulating drum.
  • the utility model modifies the traditional granulating drum, and adds baffles in the drum to make
  • the inside of the drum is divided into several sections, namely the granulation section, the long grain section and the compact section, in order to achieve different granulation treatments.
  • a sandy material/fertilizer granulation drum comprising a cylindrical body and at least two retaining rings, characterized in that: at least two retaining rings are installed inside the cylindrical body, and the cylindrical body is divided into at least three zones, according to the sandy material /
  • the movement direction of fertilizer is divided into granulation area, long-grain area and compaction area, which changes the movement state of the material in the cylinder, increases the residence time and rolling efficiency of the material, and improves the granulation effect.
  • the number of the retaining rings is 2-10, and the cylinder is divided into 3-11 areas.
  • the height of the retaining ring is 1%-25% of the diameter of the cylinder, and the specific value is adjusted according to different materials.
  • the material of the retaining ring is carbon steel or stainless steel.
  • the sandy materials/fertilizers include but are not limited to potassium sulfate, potassium chloride, potassium nitrate, calcium magnesium phosphate fertilizer, yellow phosphorus slag, steel slag, potassium calcium magnesium silicate, potassium magnesium sulfate, potassium magnesium chloride and the like.
  • the utility model has the following advantages: 1. During the granulation process, the granulation movement of the material is good, and the spheroidization rate is high; 2. The particles obtained by granulation have high quality, high wet strength and dry strength; 3. With the enlargement of the device, the The particle effect is significantly improved.
  • FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural diagram of Embodiment 2 of the present invention.
  • FIG. 3 is a schematic structural diagram of Embodiment 3 of the present invention.
  • a sandy material/fertilizer granulation drum of the present invention includes a cylinder body 1 and two retaining rings 2, and is characterized in that: two retaining rings 2 are installed inside the cylinder body 1, and the cylinder
  • the body is divided into three zones, which are divided into granulation zone I, long-grain zone II and compaction zone III according to the movement direction of sandy materials/fertilizers, which can change the movement state of materials in the cylinder, increase the residence time and rolling efficiency of materials, and improve the Granulation effect.
  • each zone is not fixed, and can be set flexibly according to the material properties, processing capacity and granulation needs, but the order of the three zones is fixed, that is, the materials pass through the granulation zone, the long-granulation zone and the compaction zone in turn.
  • Each zone can also increase the number of baffles.
  • the height of the retaining ring is 15% of the diameter of the cylinder, and the specific value is adjusted according to different materials.
  • the material of the retaining ring is stainless steel.
  • the diameter of the drum is 2m, the length is 7m, and the number of retaining rings added in the drum is 2.
  • the drum is divided into three zones: granulation zone I, long-granulation zone II and compaction zone III. As shown in Figure 1, the height of the retaining ring is 0.1m. Suitable granulation materials are potassium chloride, potassium sulfate, potassium nitrate, steel slag, etc., and the processing capacity is 20 tons/hour.
  • the material of the retaining ring is stainless steel.
  • the diameter of the drum is 2.5m, the length is 8m, and the number of retaining rings added in the drum is 3.
  • the drum is divided into four sections: granulation zone I, long-grain zone A, long-grain zone B and compaction zone III, as shown in Figure 2.
  • the height of the ring is 0.2m, and the suitable granulation materials are potassium chloride, potassium sulfate, potassium nitrate, steel slag, etc., and the processing capacity is 30 tons/hour.
  • the material of the retaining ring is carbon steel.
  • the diameter of the drum is 2.8m and the length is 10m.
  • the number of retaining rings added in the drum is 4.
  • the drum is divided into five zones: granulation zone C, granulation zone D, long granule zone E, long granule zone F and compaction zone III, as shown in the figure 3, the height of the retaining ring is 0.2m, the suitable granulation materials are potassium chloride, potassium sulfate, potassium nitrate, steel slag, etc., and the processing capacity is 50 tons/hour.
  • the material of the retaining ring is stainless steel.

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

Abstract

Disclosed is a sandy material/fertilizer granulation drum, comprising a drum body and at least two retaining rings, characterized in that: the at least two retaining rings are mounted inside the drum body; the drum body is divided into at least three zones, i.e., a granulation zone, a long grain zone, and a compaction zone in the movement direction of a sandy material/fertilizer; the movement state of the material in the drum is changed, the residence time and rolling efficiency of the material are increased, and the granulation effect is improved. The present utility model has the following advantages: 1. during a granulation process, the granulation movement state of the material is good, and the pelletization rate is high; 2. particles obtained by granulation have high quality, high wet strength, and high dry strength; and 3. with the enlargement of a device, the granulation effect is remarkably improved.

Description

一种砂性物料/肥料造粒滚筒A sandy material/fertilizer granulation drum 技术领域technical field
本实用新型涉及肥料制作设备领域，尤其是涉及一种砂性物料/肥料造粒滚筒。The utility model relates to the field of fertilizer production equipment, in particular to a sandy material/fertilizer granulation drum.
背景技术Background technique
团粒法造粒设备通常有圆盘和滚筒，两者为造粒通用设备。对于一般物料，圆盘或滚筒都可达到造粒成球的目的，但对于砂性物料或砂性肥料，造粒就显得十分困难，尤其是在工业生产上，砂性物料的粘结成球性极差，难以成球或者成球的质量很差，不利于后续处理，无法实现工业化生产。The agglomeration granulation equipment usually has a disc and a drum, both of which are general equipment for granulation. For general materials, discs or drums can achieve the purpose of granulation into balls, but for sandy materials or sandy fertilizers, granulation is very difficult, especially in industrial production, the bonding of sandy materials into balls The performance is extremely poor, it is difficult to form a ball or the quality of the ball is very poor, which is not conducive to subsequent processing and cannot be industrialized.
CN208894164U公开了一种高效滚筒式造粒机，包括机架、造粒滚筒、辅助滚筒和防粘料机构，所述造粒滚筒小角度倾斜转动装置于所述机架上，所述辅助滚筒套接于所述造粒滚筒内，所述机架的两端分别固接有相应的支撑杆，所述辅助滚筒的两端分别设置成圆台状，且辅助滚筒的两端分别固接有相应的支撑轴，所述支撑轴未固接到辅助滚筒的一端分别转动安装到相应的支撑杆上，所述辅助滚筒位于所述造粒滚筒的下方，辅助滚筒顶部外侧壁与造粒滚筒顶部内侧壁之间设置有所述防粘料机构，所述防粘料机构包含S形刮料板，所述S形刮料板的上下两端面分别固接有硬质刷毛。本实用新型能够有效提高造粒效果，提升造粒成型的一致性，提高造粒效率和防止物料黏着。CN208894164U discloses a high-efficiency drum-type granulator, including a frame, a granulating drum, an auxiliary drum and an anti-sticking material mechanism. The granulating drum is tilted and rotated at a small angle on the frame, and the auxiliary drum is sleeved Connected to the granulation drum, the two ends of the frame are respectively fixed with corresponding support rods, the two ends of the auxiliary drum are respectively arranged in a circular cone shape, and the two ends of the auxiliary drum are respectively fixed with corresponding support rods. A support shaft, one end of the support shaft not fixed to the auxiliary drum is respectively rotatably installed on the corresponding support rod, the auxiliary drum is located under the granulation drum, the outer side wall of the top of the auxiliary drum and the inner side wall of the top of the granulation drum The anti-sticking material mechanism is arranged therebetween, and the anti-sticking material mechanism includes an S-shaped scraping plate, and the upper and lower end surfaces of the S-shaped scraping plate are respectively fixed with hard bristles. The utility model can effectively improve the granulation effect, improve the consistency of granulation and molding, improve the granulation efficiency and prevent the material from sticking.
CN207187684U公开了一种化肥生产造粒机，包括造粒机机架、安装在机架上的造粒滚筒、套接固定在造粒滚筒上的从动齿轮和连接到电机的输出轴上的主动齿轮，所述的从动齿轮与主动齿轮相啮合在造粒滚筒的两端的外部套设有振动壳体，在造粒滚筒上的与震动壳体相对的外壁上沿造粒滚筒的圆周方向间隔设置有多个挡条。其特点是结构简单、造粒效果好、防粘连效果好的优点。CN207187684U discloses a granulator for fertilizer production, comprising a granulator frame, a granulation drum installed on the frame, a driven gear sleeved and fixed on the granulation drum, and a drive connected to the output shaft of a motor Gear, the driven gear and the driving gear are meshed with the outer casing of the two ends of the granulation drum, and the outer wall of the granulation drum is spaced along the circumferential direction of the granulation drum on the outer wall opposite to the vibration shell. There are multiple stop bars. It is characterized by simple structure, good granulation effect and good anti-adhesion effect.
CN208679071U公开了一种滚筒式造粒机，在造粒滚筒前后端部的两侧均通过支座固定有可转动的滚轮，造粒滚筒的前后端部外侧套装有滚动环，造粒滚筒安装在两组滚轮之前，并通过滚轮带动滚动环，再带动造粒滚筒转动，造粒滚筒的中部外侧套装有齿轮环，在造粒滚筒一侧固定有电机减速器机组，电机减速器机组通过驱动齿轮与齿轮环啮合转动；在造粒滚筒的出料口一侧设置有筛分机；在造粒滚筒的内壁设置有一层塑料层，同时在塑料层上设置有螺旋环。本实用新型通过在滚筒内壁上贴设有一层光滑的塑 料层，在对肥料进行翻滚时，不会使肥料表面粗糙，同时也不会粘结在滚筒表面。CN208679071U discloses a drum type granulator, rotatable rollers are fixed on both sides of the front and rear ends of the granulation drum through supports, rolling rings are set on the outer sides of the front and rear ends of the granulation drum, and the granulation drum is installed on the Before the two sets of rollers, the roller drives the rolling ring, and then drives the granulating drum to rotate. The middle and outer side of the granulating drum is covered with a gear ring, and a motor reducer unit is fixed on one side of the granulating drum. The motor reducer unit is driven by the gear ring. It meshes with the gear ring and rotates; a screening machine is arranged on one side of the discharge port of the granulation drum; a layer of plastic layer is arranged on the inner wall of the granulation drum, and a spiral ring is arranged on the plastic layer at the same time. By affixing a smooth plastic layer on the inner wall of the drum, the utility model will not make the surface of the fertilizer rough and will not stick to the surface of the drum when the fertilizer is rolled.
CN210711332U公开了一种复合肥造粒装置，包括：机架；造粒滚筒，可转动地安装在机架上，造粒滚筒的一端为进料端，另一端为出料端，进料端的高度高于出料端，出料端处设出料挡圈，造粒滚筒内设内挡圈，内挡圈将造粒滚筒的内腔分隔成靠近进料端一侧的混料室和靠近出料端一侧的造粒室，混料室和造粒室相连通。该复合肥造粒装置物料不易结块、浆料与粉料混合均匀性好、产品造粒质量好。CN210711332U discloses a compound fertilizer granulation device, comprising: a frame; a granulation drum, which is rotatably installed on the frame, one end of the granulation drum is a feeding end, the other end is a discharging end, and the height of the feeding end is Higher than the discharge end, there is a discharge baffle ring at the discharge end, and an inner baffle ring is installed in the granulation drum, and the inner baffle ring divides the inner cavity of the granulation drum into a mixing chamber on the side of the feeding end and a mixing chamber on the side near the discharge end. The granulation chamber on one side of the material end, the mixing chamber and the granulation chamber communicate with each other. The material of the compound fertilizer granulation device is not easy to agglomerate, the mixing uniformity of the slurry and the powder is good, and the product granulation quality is good.
上述几项专利对于砂性物料或砂性肥料造粒十分困难，主要原因是物料在滚筒内的运动效率偏低，物料造粒后难以形成有效的密实运动，所得颗粒的湿强度偏低，无法实现装置生产。The above-mentioned patents are very difficult to granulate sandy materials or sandy fertilizers. The main reason is that the movement efficiency of the materials in the drum is low, it is difficult to form an effective dense movement after the materials are granulated, and the wet strength of the obtained granules is low. Realize device production.
实用新型内容Utility model content
本实用新型为了解决砂性物料或砂性肥料造粒这一问题，提供一种砂性物料/肥料造粒滚筒，本实用新型对传统造粒滚筒进行了改造，在滚筒内增加挡板，将滚筒内部分割成几个区间，即造粒区、长粒区和密实区，以实现不同的造粒处理。In order to solve the problem of granulating sandy materials or sandy fertilizers, the utility model provides a sandy material/fertilizer granulating drum. The utility model modifies the traditional granulating drum, and adds baffles in the drum to make The inside of the drum is divided into several sections, namely the granulation section, the long grain section and the compact section, in order to achieve different granulation treatments.
本实用新型的技术方案为：The technical scheme of the present utility model is:
一种砂性物料/肥料造粒滚筒，包括筒体、至少两个挡圈，其特征在于：在筒体内部安装至少两个挡圈，将筒体分为至少三个区，按砂性物料/肥料运动方向分为造粒区、长粒区和密实区，改变物料在筒体内的运动状态，增加物料的停留时间和滚动效率，提升造粒效果。A sandy material/fertilizer granulation drum, comprising a cylindrical body and at least two retaining rings, characterized in that: at least two retaining rings are installed inside the cylindrical body, and the cylindrical body is divided into at least three zones, according to the sandy material / The movement direction of fertilizer is divided into granulation area, long-grain area and compaction area, which changes the movement state of the material in the cylinder, increases the residence time and rolling efficiency of the material, and improves the granulation effect.
所述挡圈数量为2-10个，将筒体分为3-11个区。The number of the retaining rings is 2-10, and the cylinder is divided into 3-11 areas.
所述挡圈的高度为筒体直径的1％-25％，具体数值根据不同物料进行调节。The height of the retaining ring is 1%-25% of the diameter of the cylinder, and the specific value is adjusted according to different materials.
所述挡圈的材质为碳钢或不锈钢。The material of the retaining ring is carbon steel or stainless steel.
所述砂性物料/肥料包括但不仅限于硫酸钾、氯化钾、硝酸钾、钙镁磷肥、黄磷渣、钢渣、硅酸钾钙镁、硫酸钾镁、氯化钾镁等。增加挡圈后，物料在每个区的停留时间增加，物料的运动变得有序，大大提高了物料的造粒、长粒和密实过程中的运动效率，造粒所得粒子的质量高。The sandy materials/fertilizers include but are not limited to potassium sulfate, potassium chloride, potassium nitrate, calcium magnesium phosphate fertilizer, yellow phosphorus slag, steel slag, potassium calcium magnesium silicate, potassium magnesium sulfate, potassium magnesium chloride and the like. After adding the retaining ring, the residence time of the material in each zone increases, and the movement of the material becomes orderly, which greatly improves the movement efficiency of the material in the process of granulation, long granulation and compaction, and the quality of the granulated particles is high.
本实用新型具有如下优点：1.造粒过程中物料造粒运动状况好，成球率高；2.造粒所得粒子质量高，湿强度和干强度高；3.随着装置的放大，造粒效果提升显著。The utility model has the following advantages: 1. During the granulation process, the granulation movement of the material is good, and the spheroidization rate is high; 2. The particles obtained by granulation have high quality, high wet strength and dry strength; 3. With the enlargement of the device, the The particle effect is significantly improved.
附图说明Description of drawings
图1为本实用新型的实施例一结构示意图。FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention.
图2为本实用新型的实施例二结构示意图。FIG. 2 is a schematic structural diagram of Embodiment 2 of the present invention.
图3为本实用新型的实施例三结构示意图。FIG. 3 is a schematic structural diagram of Embodiment 3 of the present invention.
具体实施方式Detailed ways
结合附图对本实用新型作进一步的描述。The present utility model will be further described with reference to the accompanying drawings.
如图1所示，本实用新型的一种砂性物料/肥料造粒滚筒，包括筒体1、两个挡圈2，其特征在于：在筒体1内部安装两个挡圈2，将筒体分为三个区，按砂性物料/肥料运动方向分为造粒区Ⅰ、长粒区Ⅱ和密实区Ⅲ，改变物料在筒体内的运动状态，增加物料的停留时间和滚动效率，提升造粒效果。其中每个区的数量并不固定，根据物料性质、处理量和造粒需要可以灵活设置，但这三个区的顺序是固定的，即物料依次经过造粒区、长粒区和密实区，每个区还可以再增加挡板数量。所述挡圈的高度为筒体直径的15％，具体数值根据不同物料进行调节。所述挡圈的材质为不锈钢。As shown in Figure 1, a sandy material/fertilizer granulation drum of the present invention includes a cylinder body 1 and two retaining rings 2, and is characterized in that: two retaining rings 2 are installed inside the cylinder body 1, and the cylinder The body is divided into three zones, which are divided into granulation zone I, long-grain zone II and compaction zone III according to the movement direction of sandy materials/fertilizers, which can change the movement state of materials in the cylinder, increase the residence time and rolling efficiency of materials, and improve the Granulation effect. The number of each zone is not fixed, and can be set flexibly according to the material properties, processing capacity and granulation needs, but the order of the three zones is fixed, that is, the materials pass through the granulation zone, the long-granulation zone and the compaction zone in turn. Each zone can also increase the number of baffles. The height of the retaining ring is 15% of the diameter of the cylinder, and the specific value is adjusted according to different materials. The material of the retaining ring is stainless steel.
实施案例一Implementation case one
滚筒直径2m，长度7m，滚筒内增加挡圈数量为2，将滚筒分为造粒区Ⅰ、长粒区Ⅱ和密实区Ⅲ三个区间，如图1所示，挡圈高度为0.1m，适合造粒物料为氯化钾、硫酸钾、硝酸钾、钢渣等，处理量为20吨/小时。所述挡圈的材质为不锈钢。The diameter of the drum is 2m, the length is 7m, and the number of retaining rings added in the drum is 2. The drum is divided into three zones: granulation zone I, long-granulation zone II and compaction zone III. As shown in Figure 1, the height of the retaining ring is 0.1m. Suitable granulation materials are potassium chloride, potassium sulfate, potassium nitrate, steel slag, etc., and the processing capacity is 20 tons/hour. The material of the retaining ring is stainless steel.
实施案例二Implementation case two
滚筒直径2.5m，长度8m，滚筒内增加挡圈数量为3，将滚筒分为造粒区Ⅰ、长粒区A、长粒区B和密实区Ⅲ四个区间，如图2所示，挡圈高度为0.2m，适合造粒物料为氯化钾、硫酸钾、硝酸钾、钢渣等，处理量为30吨/小时。所述挡圈的材质为碳钢。The diameter of the drum is 2.5m, the length is 8m, and the number of retaining rings added in the drum is 3. The drum is divided into four sections: granulation zone I, long-grain zone A, long-grain zone B and compaction zone III, as shown in Figure 2. The height of the ring is 0.2m, and the suitable granulation materials are potassium chloride, potassium sulfate, potassium nitrate, steel slag, etc., and the processing capacity is 30 tons/hour. The material of the retaining ring is carbon steel.
实施案例三Implementation case three
滚筒直径2.8m，长度10m，滚筒内增加挡圈数量为4，将滚筒分为造粒区C、造粒区D、长粒区E、长粒区F和密实区Ⅲ五个区间，如图3所示，挡圈高度为0.2m，适合造粒物料为氯化钾、硫酸钾、硝酸钾、钢渣等，处理量为50吨/小时。所述挡圈的材质为不锈钢。The diameter of the drum is 2.8m and the length is 10m. The number of retaining rings added in the drum is 4. The drum is divided into five zones: granulation zone C, granulation zone D, long granule zone E, long granule zone F and compaction zone III, as shown in the figure 3, the height of the retaining ring is 0.2m, the suitable granulation materials are potassium chloride, potassium sulfate, potassium nitrate, steel slag, etc., and the processing capacity is 50 tons/hour. The material of the retaining ring is stainless steel.

Claims (4)

  1. 一种砂性物料/肥料造粒滚筒，包括筒体、至少两个挡圈，其特征在于：在筒体内部安装至少两个挡圈，将筒体分为至少三个区，按砂性物料/肥料运动方向分为造粒区、长粒区和密实区。A sandy material/fertilizer granulation drum, comprising a cylindrical body and at least two retaining rings, characterized in that: at least two retaining rings are installed inside the cylindrical body, and the cylindrical body is divided into at least three zones, according to the sandy material / The direction of fertilizer movement is divided into granulation area, long-grain area and compaction area.
  2. 根据权利要求1所述的一种砂性物料/肥料造粒滚筒，其特征在于：所述挡圈数量为2-10个，将筒体分为3-11个区。The sandy material/fertilizer granulation drum according to claim 1, wherein the number of the retaining rings is 2-10, and the drum is divided into 3-11 areas.
  3. 根据权利要求1所述的一种砂性物料/肥料造粒滚筒，其特征在于：所述挡圈的高度为筒体直径的1％-25％。The sandy material/fertilizer granulation drum according to claim 1, wherein the height of the retaining ring is 1%-25% of the diameter of the cylinder.
  4. 根据权利要求1所述的一种砂性物料/肥料造粒滚筒，其特征在于：所述挡圈的材质为碳钢或不锈钢。A sandy material/fertilizer granulation drum according to claim 1, wherein the retaining ring is made of carbon steel or stainless steel.
PCT/CN2021/119228 2021-04-23 2021-09-18 Sandy material/fertilizer granulation drum WO2022222356A1 (en)

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