WO2013078758A1 - 木粉、粉筛联动系统 - Google Patents

木粉、粉筛联动系统 Download PDF

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Publication number
WO2013078758A1
WO2013078758A1 PCT/CN2012/000647 CN2012000647W WO2013078758A1 WO 2013078758 A1 WO2013078758 A1 WO 2013078758A1 CN 2012000647 W CN2012000647 W CN 2012000647W WO 2013078758 A1 WO2013078758 A1 WO 2013078758A1
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WIPO (PCT)
Prior art keywords
powder
tube
sieve
machine
mixer
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PCT/CN2012/000647
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English (en)
French (fr)
Inventor
张国祖
刘瑞丽
刘永录
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河南省康星药业有限公司
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Publication of WO2013078758A1 publication Critical patent/WO2013078758A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50—Cleaning
    • B07B1/55—Cleaning with fluid jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/06—Selective separation of solid materials carried by, or dispersed in, gas currents by impingement against sieves

Definitions

  • the present invention relates to ultrafine pulverization technology, and more particularly to a wood powder and powder sieve linkage system for pulverizing plant medicinal materials.
  • the superfine pulverization technology is a new technology developed on the basis of powder science, along with the continuous improvement of the pulverization process, the breakthrough theory of pulverization theory and related disciplines, and the emergence of new pulverizing equipment.
  • ultrafine grinding technology has the advantages of cost saving, ease of application, increased drug absorption rate, and improved bioavailability.
  • the preparation of ultrafine powders of plants is often carried out by means of a chilled air flow pulverization.
  • the invention patent of the patent number: 02117344. 3 discloses a preparation method of a plant ultrafine powder, which can refine the ultrafine powder of the plant to 50.
  • the production process is cumbersome and complicated, the plant medicinal materials should be frozen by liquid nitrogen under argon protection, which not only has high energy consumption but is not suitable for large-scale production requirements.
  • the airflow screening method is a new classification method, when some micro-weight materials with light weight and small particle size are classified, agglomeration will be formed on the screen, which will cause the screen to be clogged and the screening work will not be possible. Carrying out, greatly affecting the screening efficiency.
  • the invention aims to provide a wood powder and powder sieve linkage system which has low energy consumption, simple process and is suitable for the production of ultrafine powder of various plant roots, stems, leaves and flowers.
  • the present invention can adopt the following technical solutions:
  • the wood powder and powder sieve linkage system of the present invention comprises a wood powder machine, a micro powder screening machine and a collecting device which are sequentially connected, and the collecting device comprises a cyclone collector and a powder mixing machine, the aggregate
  • the feed port of the device communicates with the fine powder discharge port of the fine powder screening machine through the feed pipe, and the bottom outlet thereof communicates with the powder mixer, and the top opening of the collector passes through the connecting hose and the pulse dust collector.
  • the air inlet is connected, the air outlet of the pulse dust collector is connected with the air blower, and the ash outlet of the pulse dust collector is connected with the powder mixer, and a discharge port is arranged at the bottom of the powder mixer.
  • the micro-powder screening machine comprises a casing and an opening downwardly arranged in the inner cavity of the casing, the cylinder mouth of the sieve cylinder is connected with the opening of the funnel disposed at the lower part of the casing; the top of the casing is provided with fine powder a discharge port; a gate-shaped rotary jet tube composed of a horizontal tube and a riser is disposed in a region between the screen cylinder and the casing, wherein the middle portion of the horizontal tube is coupled to the driving motor; a blast pipe is disposed vertically, and the air outlet of the blast pipe is connected to the middle of the horizontal pipe of the door-shaped rotary lance tube through the sieve cylinder and is connected by a rolling bearing to the horizontal pipe of the door-shaped rotary lance tube; The air inlet extends beyond the side wall of the funnel to communicate with the air blasting port of the peripheral air blower; a mixed powder feeding tube is disposed in the screen cylinder, and a buffer umbrella is disposed above the discharging port of the mixed powder
  • the air vent of the stern-shaped rotary lance is a through groove extending in the axial direction of the horizontal pipe and the vertical pipe, and the groove of the through groove is opened toward the sieve cylinder.
  • the air vent of the gate-shaped rotary lance is a strip-shaped hole that is axially arranged along the horizontal pipe and the riser, and the opening of the strip-shaped hole opens toward the sieve cylinder. .
  • a closed air feeder is disposed at a bottom outlet of the collector, a hopper outlet of the pulse dust collector, and a discharge port of the powder mixer.
  • the invention has the advantages that the roots, stems, leaves, flowers, etc. of the medicinal herbs, including the traditional Chinese medicine, can be pulverized in one step without the need of coarse crushing.
  • the wood powder machine is connected with the micro-powder screening machine to improve the screening efficiency and effectively control the maximum particle size of the finished product;
  • the cyclone collector is connected with the pulse dust collector to prevent dust from polluting the environment and reduce the loss of fine powder of the traditional Chinese medicine;
  • pulse dust collector It is connected with the induced draft fan to make the whole production system in a negative pressure environment. When working, the fan airflow is used to guide the material to sift, which can produce air drying effect on the material, without adding additional dry equipment and saving energy.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a schematic view showing the structure of the fine powder screening machine of Figure 1.
  • the wood powder and powder sieve linkage system of the present invention comprises a wood powder machine 1 , a micro powder screening machine 2 and a collecting device which are sequentially connected, and the collecting device comprises a cyclone collector 3 and a double spiral standing.
  • the top opening is connected to the air inlet of the pulse dust collector 7 through the connecting hose 6, the air outlet of the pulse dust collector 7 is connected with the induced draft fan 8, the ash outlet of the pulse dust collector 7 and the double spiral vertical powder mixer 4 phases are connected, and a discharge port is arranged at the bottom of the powder mixer 4, at the bottom outlet of the collector 3, at the ash outlet of the pulse dust collector 7, and at the discharge port of the powder mixer.
  • a closed wind feeder is provided.
  • the medicinal material is directly pulverized by the wood powder machine 1, and the mixed powder is sent to the fine powder screening machine 2 through the discharge port of the wood powder machine 1 to carry out powder classification, and the fine powder through the sieve to achieve the powder particle size is subjected to the fine powder screening machine 2
  • the fine powder discharge port is sent to the cyclone collector 3 by the feed pipe 5, and enters the double-spiral vertical powder mixer 4 through the closed air feeder at the bottom of the collector 3, after the powder is evenly stirred,
  • the closed air feeder at the bottom of the powder mixing machine 4 is discharged, and the coarse powder that has not passed through the screen is discharged outside the fine powder screening machine 2; the fine powder taken away by the airflow by the induced draft fan 8 through the screen is passed through the upper end of the cyclone collector 3
  • the connecting hose is recovered by the pulse dust collector 7 and then passed through the closed wind hopper to the powder mixer 4 to be mixed with the fine powder directly collected, thereby avoiding the waste of the powder; the draft fan 8 during the preparation of the whole
  • the micro-powder screening machine 2 can be selected as a dual-flow micro-powder sieve machine, and its structure is shown in Figure 2.
  • the utility model comprises a casing 9 and a sieve cylinder 10 which is arranged in the inner cavity of the casing downward.
  • the cylinder mouth of the sieve cylinder 10 is connected with the upper opening of the funnel 11 which is arranged at the lower part of the casing; the top of the casing is provided with a thin a powder discharge port; two gate-shaped rotary lances composed of a cross tube 12 and a riser 13 are disposed perpendicularly to each other in a region between the screen cylinder 10 and the casing 9, and a middle portion of the horizontal tube 12 and a drive motor 14 transmission connection; a blast pipe 15 is vertically disposed at an intermediate position of the sieve cylinder 10, and an air outlet of the blast pipe 15 passes through the sieve cylinder 10 to communicate with the middle of the horizontal pipe 12 of the gate-shaped rotary lance tube and is rotated by a rolling bearing and a gate shape
  • the cross tube 12 of the lance tube is rolled and connected; the air inlet of the blast tube 15 extends beyond the side wall of the hopper 11 to communicate with the blast port of the peripheral blower; : a mixed powder feed tube 16 is disposed in the
  • the air outlet of the gate-shaped rotary lance is a through groove extending in the axial direction of the horizontal tube 12 and the riser 13 on the wall of the tube, and the slot of the through slot is opened toward the screen cylinder 10; the air outlet of the gate-shaped rotating lance tube It is also possible to arrange the strip-shaped holes which are formed on the pipe wall in the axial direction of the horizontal pipe 12 and the riser pipe 13, and the opening of the strip-shaped hole is opened toward the screen cylinder 10.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Catching Or Destruction (AREA)

Abstract

一种木粉、粉筛联动系统，包括依次连通的木粉机（1）、微粉筛选机（2）和集料装置，集料装置包括旋风集料器（3）和粉料混合机（4），旋风集料器的进料口通过进料管（5）与微粉筛选机的细粉出料口相连通，其底部出口与粉料混合机相连通，旋风集料器的顶部开口通过连接软管（6）与脉冲除尘器（7）的进风口相连通，脉冲除尘器的出风口与引风机（8）相连通，脉冲除尘器的灰斗出口与粉料混合机相连通，在粉料混合机的底部设置有出料口。植物药材的根、茎、叶、花等均可实现一步粉碎，不需要经过粗破碎。木粉机与微粉筛选机相连，提高了筛分效率，有效控制了成品的最大粒径；整个系统处于负压环境，对物料能产生风干效应，无需外加烘干设备，节约能源。

Description

说 明 书
木粉、 粉筛联动系统
技术领域
本发明涉及超微粉碎技术， 尤其是涉及一种植物药材粉碎用的木粉、 粉筛联 动系统。
背景技术
超微粉碎技术是在粉体学基础上， 伴随着粉碎工艺的不断改进、粉碎理论及 相关学科的突破性进展、 新型粉碎设备的相继出现而发展起来的一门新技术。 与 传统中药的加工生产方式相比， 超微粉碎技术有着节约成本、 便于应用、 增加药 物吸收率、 提高生物利用度等优点。 目前在植物超微粉的制备方面常采用的是冷 冻气流粉碎， 如专利号： 02117344. 3的发明专利就公开了一种植物超微粉的制备 方法， 此方法虽然能将植物超微粉细化到 50〜扇 nm， 但制作工艺繁琐复杂， 植 物药材要经过氩气保护下的液氮冷冻，不仅能耗高且不适用于规模化的生产要求。 而气流筛分方法虽是一种新型的分级方法， 但是对于一些重量轻、 粒径小的微米 级物料进行分级时， 会在筛网上堆积形成结块， 导致筛网堵塞， 使筛分工作无法 进行， 极大地影响了筛分效率。
发明内容
本发明目的在于提供一种能耗低、 工艺简单、 适用于各种植物根、 茎、.叶、 花超微粉生产的木粉、 粉筛联动系统。
为实现上述目的， 本发明可采取下述技术方案：
本发明所述的木粉、 粉筛联动系统， 包括依次连通的木粉机、 微粉筛选机和 集料装置， 所述的集料装置包括旋风集料器和粉料混合机， 所述集料器的进料口 通过进料管与微粉筛选机的细粉出料口相连通，其底部出口与粉料混合机相连通， 所述集料器的顶部开口通过连接软管与脉冲除尘器的进风口相连通， 所述脉冲除 尘器的出风口与引风机相连通， 脉冲除尘器的灰斗出口与粉料混合机相连通， 在 粉料混合机的底部设置有出料口。 所述微粉筛选机包括机壳以及设置在机壳内腔中的开口向下的筛筒， 所述筛 筒的筒口与设置在机壳下部的漏斗上开口相衔接； 机壳顶部开设有细粉出料口； 在位于筛筒与机壳之间的区域内设置有由横管和立管构成的门字形旋转喷气管， . 所述横管的中部与驱动电机传动联接； 在筛筒中间位置垂直设置有鼓风管， 所述 鼓风管的出风口穿过筛筒与门字形旋转喷气管的横管中部相连通并通过滚动轴承 与门字形旋转喷气管的横管滚动连接； 鼓风管的进风口延伸出所述漏斗侧壁之外 与外设鼓风机的鼓风口相连通； 在筛筒内设置有混合粉进料管， 在所述混合粉进 料管的出料口上方设置有缓冲伞， 混合粉进料管的进料口延伸出漏斗侧壁之外与 木粉机出料口相连通。
所逑门字形旋转喷气管的喷气口为沿所述横管、 立管轴向开设在其管壁上的 通槽， 所述通槽的槽口朝着所述筛筒方向开设。
所述门字形旋转喷气管的喷气口为沿所述横管、 立管轴向间隔排列开设在其 管壁上的条形孔， 所述条形孔的孔口朝着所述筛筒方向开设。
设置在所述筛筒与机壳之间区域的门字形旋转喷气管为两个， 所述两个门字 形旋转喷气管的横管相互垂直交叉设置。
所述集料器的底部出口处、 脉冲除尘器的灰斗出口处和粉料混合机的出料口 处分别设置有闭风下料器。
本发明优点在于植物药材包括中药的根、 茎、 叶、 花等均可实现一步粉碎， 不需要经过粗破碎。 木粉机与微粉筛选机相连， 提高了筛分效率， 有效控制了成 品的最大粒径； 旋风集料器和脉冲除尘器相连， 防止粉尘污染环境， 减少了中药 细粉的损耗； 脉冲除尘器和引风机相连， 使整个生产系统处于负压环境， 工作时 采用风机气流引导物料过筛， 对物料能产生风干效应， 无需外加供干设备， 节约 能源。
附图说明
图 1是本发明的结构示意图。
图 2是图 1中微粉筛选机的结构示意图。
具体实施方式 如图 1所示， 本发明所述的木粉、粉筛联动系统， 包括依次连通的木粉机 1、 微粉筛选机 2和集料装置， 集料装置包括旋风集料器 3和双螺旋立式粉料混合机 4,集料器 3的进料口通过进料管 5与微粉筛选机 2的细粉出料口相连通，其底部 出口与粉料混合机 4相连通， 集料器 3的顶部开口通过连接软管 6与脉冲除尘器 7的进风口相连通， 脉冲除尘器 7的出风口与引风机 8相连通， 脉冲除尘器 7的 灰斗出口与双螺旋立式粉料混合机 4相连通， 在粉料混合机 4的底部设置有出料 口， 在集料器 3的底部出口处、 脉冲除尘器 7的灰斗出口处和粉料混合机.4的出 料口处分别设置有闭风下料器。 植物药材由木粉机 1直接粉碎， 通过木粉机 1的 出料口将混合粉送入微粉筛选机 2中进行粉体分级， 通过筛网达到粉体粒度要求 的细粉经微粉筛选机 2的细粉出料口被进料管 5送入旋风集料器 3, 经集料器 3 底部的闭风下料器进入双螺旋立式粉料混合机 4中， 待粉体搅拌均匀后由粉料 合机 4底部的闭风下料器排出， 未通过筛网的粗粉被排出微粉筛选机 2外； 通过 筛网被引风机 8气流带走的细粉经旋风集料器 3上端的连接软管被脉冲除尘器 7 回收后通过闭风下料器进入到粉料混合机 4中与直接收集过来的细粉一起混合， 避免了粉料的浪费； 整个植物药材制备过程中引风机 8一直处于工作状态， 以维 持整个生产系统的负压环境， 同时可以对物流产生风干效应， 不需要外加烘干设 备， 节能降耗。
为提高筛分效率， 防止筛网堵塞， 同时能够精确控制成品的最大粒径， 以适 应规模化的生产， 所用的微粉筛选机 2可选用为双气流微粉筛机， 其结构如图 2 所示， 它包括机壳 9以及设置在机壳内腔中的开口向下的筛筒 10， 筛筒 10的筒 口与设 fi在机壳下部的漏斗 11的上开口相衔接；机壳顶部开设有细粉出料口；在 位于筛筒 10与机壳 9之间的区域内相互垂直交叉设置有两个由横管 12和立管 13 构成的门字形旋转喷气管， 横管 12的中部与驱动电机 14传动联接； 在筛筒 10 中间位置垂直设置有鼓风管 15，鼓风管 15的出风口穿过筛筒 10与门字形旋转喷 气管的横管 12中部相连通并通过滚动轴承与门字形旋转喷气管的横管 12滚动连 接； 鼓风管 15的进风口延伸出漏斗 11侧壁之外与外设鼓风机的鼓风口相连通; : 在筛筒 10内设置有混合粉进料管 16，在混合粉进料管 16的出料口上方设置有缓 冲伞 17，混合粉进料管 16的进料口延伸出漏斗 11侧壁之外与木粉机 1出料口相 连通
门字形旋转喷气管的喷气口为沿横管 12、 立管 13轴向开设在其管壁上的通 槽，通槽的槽口朝着筛筒 10方向开设；门字形旋转喷气管的喷气口也可以为沿横 管 12、 立管 13轴向间隔排列开设在其管壁上的条形孔， 条形孔的孔口朝着筛筒 10方向开设。

Claims

权 利 要 求 书
1、一种木粉、粉筛联动系统， 包括依次连通的木粉机 (I 微粉筛选机 (2) 和集料装置，其特征在于:所述的集料装置包括旋风集料器 (3)和粉料混合机 (4)， 所述集料器 (3)的进料口通过进料管（5)与微粉筛选机 (2)的细粉出料口相连 通， 其底部出口与粉料混合机 (4)相连通， 所述集料器 (3) 的顶部开口通过连 接软管（6)与脉冲除尘器 (7)的进风口相连通， 所述脉冲除尘器 (7)的出风口 与引风机 (8)相连通， 脉冲除尘器 (7) 的灰斗出口与粉料混合机 (4)相连通， 在粉料混合机 (4) 的底部设置有出料口。
2、 根据权利要求 1 所述的木粉、 粉筛联动系统， 其特征在于： 所述微粉筛 选机 (2)包括机壳 (9)以及设置在机壳内腔中的开口向下的筛筒（10)， 所述筛 筒（10) 的筒口与设置在机壳下部的漏斗（11) 的上开口相衔接； 机壳顶部开设 有细粉出料口； 在位于筛筒（10)与机壳（9)之间的区域内设置有由横管（12) 和立管（13)构成的门字形旋转喷气管， 所述横管（12)的中部与驱动电机（14) 传动联接； 在筛筒（10)中间位置垂直设置有鼓风管（15)， 所述鼓风管（15)的 出风口穿过筛筒（10)与门字形旋转喷气管的横管（12) 中部相连通并通过滚动 轴承与门字形旋转喷气管的横管（12)滚动连接； 鼓风管 （15) 的进风口延伸出 所述漏斗 （11)侧壁之外与外设鼓风机的鼓风口相连通； 在筛筒（10) 内设置有 混合粉进料管（ie)，在所述混合粉进料管（is)的出料口上方设置有缓冲伞（i7)， 混合粉进料管（16)的进料口延伸出漏斗（11)侧壁之外与木粉机 (1)出料口相 连通
3、根据权利要求 2所述的木粉、粉筛联动系统， 其特征在于： 所述门字形旋 转喷气管的喷气口为沿所述横管（12)、 立管（13)轴向开设在其管壁上的通槽， 所述通槽的槽口朝着所述筛筒 （10)方向开设。
4、根据权利要求 2所述的木粉、粉筛联动系统， 其特征在于： 所述门字形旋 转喷气管的喷气口为沿所述横管（12)、立管 (13)轴向间隔排列开设在其管壁上 的条形孔， 所述条形孔的孔口朝着所述筛筒 (10)方向开设。
5、根据权利要求 2所述的木粉、粉筛联动系统，其特征在于： 设置在所述筛 筒与机壳之间区域的门字形旋转喷气管为两个， 所述两个门字形旋转喷气管的横 管相互垂直交叉设置。
6、根据权利要求 1所述的木粉、粉筛联动系统，其特征在于：所述集料器（3) 的底部出口处、 脉冲除尘器 (7) 的灰斗出口处和粉料混合机（4) 的 ώ嵙口处分 别设置有闭风下料器。
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