WO2015188559A1 - Highly-efficient dustless pulverizing system - Google Patents
Highly-efficient dustless pulverizing system Download PDFInfo
- Publication number
- WO2015188559A1 WO2015188559A1 PCT/CN2014/089121 CN2014089121W WO2015188559A1 WO 2015188559 A1 WO2015188559 A1 WO 2015188559A1 CN 2014089121 W CN2014089121 W CN 2014089121W WO 2015188559 A1 WO2015188559 A1 WO 2015188559A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulverizer
- microporous filter
- fan
- hopper
- air
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
Definitions
- the present invention relates to a pulverizing system, and more particularly to an efficient dust-free pulverizing system.
- the crushing technology In the food, pharmaceutical, health care products, chemical industry, metallurgy and other industries, the crushing technology is often used. It is easy to produce dust flying phenomenon during the crushing process, pollute the use environment, and endanger the health of employees.
- the crushing system usually adopts a cyclone separator and a dust remover to sequentially collect and dust the materials after pulverization, and has a large land area, a complicated structure, and low production efficiency.
- the object of the present invention is to provide an efficient dust-free pulverizing system, which utilizes a negative pressure airflow formed in a collecting bin to collect the pulverized material, and the collecting bin can simultaneously collect materials and remove dust, simplifying system composition. , reduce the footprint and increase production efficiency.
- the technical solution adopted by the present invention to solve the technical problem thereof is as follows:
- the present invention includes an electric control cabinet, a feeding device, a pulverizer, a collecting bin, a fan, etc., and the pulverizer, the collecting bin, and the fan are sequentially connected through a pipe.
- the collection bin includes a metal microporous filter, a backflushing device, and the like.
- the collection bin can be used for material collection and dust removal, which can replace the cyclone separator and the dust collector, reduce the floor space and simplify the system composition.
- the air pumping amount of the fan is greater than the air volume generated by the separate working of the pulverizer, the metal microporous filter is provided with an air outlet port and a back air blowing port, the back blowing device is in one-to-one correspondence with the metal microporous filter, and the back blowing device is provided with a blocking device.
- the filtered clean air is discharged to the atmosphere through the metal microporous filter outlet, and does not pollute the atmosphere; the back blowing, the plugging device seals the metal microporous filter outlet, and blows the compression from the blowback port.
- Air the powdery material attached to the surface of the filter is blown away, and the metal microporous filter is never blocked, avoiding dust flying and improving material collection efficiency.
- a temperature sensor is installed in the pulverization chamber, and the feeding device can automatically adjust the feeding speed according to the pulverization chamber temperature.
- the pulverizer has a water cooling device, and the cooling water flows into the pulverization chamber through the water inlet.
- the water jacket flows into the water jacket of the rotor main shaft, and finally flows out from the water outlet to cool the crushing chamber and the main shaft to protect the material quality from change, increase the stability of the normal operation of the crusher, and improve production efficiency.
- the unloading device adopts a star discharge valve to discharge the material, and the rotating speed of the valve core is adjusted by the frequency conversion motor to achieve the purpose of controlling the discharge speed of the collection bin.
- the beneficial effects of the invention are: Compared with the conventional pulverizing system, the collecting bin replaces the cyclone separator and the dust remover, simplifies the system composition, saves the floor space, and the metal microporous filter built in the collecting bin is forever It does not block, avoid dust flying, improve material collection efficiency, and the fan airflow helps to crush the material through the screen and reduce the temperature, increasing the system capacity by more than 50%.
- FIG. 1 is a schematic structural view of the present invention.
- the discharge port of the feeding device 2 is connected to the inlet of the pulverizer 3 through the material pipe, and the discharge port of the pulverizer 3 is connected to the inlet of the collecting bin 4 through the material pipe, and the exhaust port of the fan 7 passes through the gas pipe and the set
- the suction port of the silo 4 is connected, and the fan 7 draws a large amount of air to form a negative pressure airflow in the collecting bin 4, and the crushed material is sucked into the collecting bin 4, and the built-in metal microporous filter of the collecting bin 4 feeds the material and the air.
- the filtered clean air is discharged to the atmosphere through the metal microporous filter outlet port, and the sealing device of the collecting bin 4 seals the metal microporous filter outlet port, and is blown into the compression from the metal microporous filter backflushing port. air.
- a temperature sensor is installed in the pulverizing chamber of the pulverizer 3, the temperature sensor is connected to the electric control cabinet 1, and the feeding device 2 is connected to the variable frequency motor.
- the cooling water circuit of the pulverizer 3 sequentially flows through the water jacket of the pulverization chamber and the rotor main shaft.
- the discharge port of the collection bin 4 is connected to the feed port of the drum 6 through the discharge device 5, and the discharge device 5 is connected to the variable frequency motor.
- the collecting bin is used to collect the crushed material, which is a crushing system with a new material collecting mode.
- the filter in the collecting bin has a backflushing function to ensure that the filter is never blocked, and the crushing system with the collecting bin It has the characteristics of closed receiving and high receiving efficiency, stable working performance and wide industrial applicability.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crushing And Pulverization Processes (AREA)
- Crushing And Grinding (AREA)
Abstract
A highly efficient dustless pulverizing system, comprising an electronic control cabinet (1), a feed apparatus (2), a pulverizer (3), a hopper (4), a fan (7), and a discharge apparatus (5), wherein the hopper (4) comprises a metal microporous filter and an anti-blow apparatus. The pulverizer (3), the hopper (4), and the fan (7) are connected in series by means of a conduit. The large suction force from the fan (7) creates a negative pressure airflow in the hopper (4), sucking the pulverized material into the hopper (4). The hopper may simultaneously engage in the reception of material and the removal of dust, thereby reducing the area occupied by the system, simplifying the composition of the system, and increasing production efficiency. The feed apparatus (2) is provided with a screw, the pulverizer (3) is provided with a water-cooling apparatus, and the discharge apparatus (5) utilizes a star-type discharge valve.
Description
说明书 发明名称：一种高效无尘粉碎系统 技术领域 Specification Name of Invention: An Efficient Dust-Free Crushing System
[0001] 本发明涉及一种粉碎系统， 尤其是一种高效无尘粉碎系统。 [0001] The present invention relates to a pulverizing system, and more particularly to an efficient dust-free pulverizing system.
背景技术 Background technique
[0002] 在食品、 制药、 保健品、 化工、 冶金等行业中， 经常要用到粉碎技术， 粉碎过 程中极易产生粉尘飞扬现象， 污染使用环境， 危害职工的身体健康。 目前的粉 碎系统通常采用旋风分离器、 除尘器依次进行粉碎后物料的收集、 除尘， 占地 面积大、 结构复杂、 生产效率低。 [0002] In the food, pharmaceutical, health care products, chemical industry, metallurgy and other industries, the crushing technology is often used. It is easy to produce dust flying phenomenon during the crushing process, pollute the use environment, and endanger the health of employees. At present, the crushing system usually adopts a cyclone separator and a dust remover to sequentially collect and dust the materials after pulverization, and has a large land area, a complicated structure, and low production efficiency.
技术问题 technical problem
[0003] 本发明的目的在于提供一种高效无尘粉碎系统， 利用风机在集料仓内形成的负 压气流收集粉碎后的物料， 集料仓可同吋进行物料收集、 除尘， 简化系统组成 ， 缩小占地面积小， 提高生产效率。 [0003] The object of the present invention is to provide an efficient dust-free pulverizing system, which utilizes a negative pressure airflow formed in a collecting bin to collect the pulverized material, and the collecting bin can simultaneously collect materials and remove dust, simplifying system composition. , reduce the footprint and increase production efficiency.
问题的解决方案 Problem solution
技术解决方案 Technical solution
[0004] 在本发明解决其技术问题所采用的技术方案是： 本发明包括电控柜、 投料装置 、 粉碎机、 集料仓、 风机等， 粉碎机、 集料仓、 风机通过管道依次连接， 集料 仓包括金属微孔过滤器、 反吹装置等。 集料仓可同吋进行物料收集、 除尘， 可 替代旋风分离器和除尘器， 缩小占地面积， 简化系统组成。 [0004] The technical solution adopted by the present invention to solve the technical problem thereof is as follows: The present invention includes an electric control cabinet, a feeding device, a pulverizer, a collecting bin, a fan, etc., and the pulverizer, the collecting bin, and the fan are sequentially connected through a pipe. The collection bin includes a metal microporous filter, a backflushing device, and the like. The collection bin can be used for material collection and dust removal, which can replace the cyclone separator and the dust collector, reduce the floor space and simplify the system composition.
[0005] 风机抽气量大于粉碎机单独工作产生的气量， 金属微孔过滤器设有出气口和反 吹口， 反吹装置与金属微孔过滤器一一对应， 反吹装置设有封堵装置， 集料吋 ， 过滤后的洁净空气通过金属微孔过滤器出气口排到大气中， 不污染大气环境 ； 反吹吋， 封堵装置将金属微孔过滤器出气口密封， 从反吹口吹入压缩空气， 将附着在过滤器表面的粉状物料吹散幵， 金属微孔过滤器永不堵塞， 避免粉尘 飞扬， 提高物料收集效率。 [0005] The air pumping amount of the fan is greater than the air volume generated by the separate working of the pulverizer, the metal microporous filter is provided with an air outlet port and a back air blowing port, the back blowing device is in one-to-one correspondence with the metal microporous filter, and the back blowing device is provided with a blocking device. After the aggregate, the filtered clean air is discharged to the atmosphere through the metal microporous filter outlet, and does not pollute the atmosphere; the back blowing, the plugging device seals the metal microporous filter outlet, and blows the compression from the blowback port. Air, the powdery material attached to the surface of the filter is blown away, and the metal microporous filter is never blocked, avoiding dust flying and improving material collection efficiency.
[0006] 为了使粉碎室的温度稳定， 粉碎室内安装温度传感器， 投料装置可根据粉碎室 温度自动调节投料速度。 粉碎机带水冷却装置， 冷却水经进水口流入粉碎室的
水套， 再流入转子主轴的水套， 最后由出水口流出， 对粉碎室和主轴进行冷却 ， 保护物料质量不发生改变， 增加粉碎机正常工作的稳定性， 提高生产效率。 [0006] In order to stabilize the temperature of the pulverization chamber, a temperature sensor is installed in the pulverization chamber, and the feeding device can automatically adjust the feeding speed according to the pulverization chamber temperature. The pulverizer has a water cooling device, and the cooling water flows into the pulverization chamber through the water inlet. The water jacket flows into the water jacket of the rotor main shaft, and finally flows out from the water outlet to cool the crushing chamber and the main shaft to protect the material quality from change, increase the stability of the normal operation of the crusher, and improve production efficiency.
[0007] 卸料装置采用星型卸料阀卸料， 通过变频电机调节阀芯旋转速度， 达到控制集 料仓卸料速度的目的。 [0007] The unloading device adopts a star discharge valve to discharge the material, and the rotating speed of the valve core is adjusted by the frequency conversion motor to achieve the purpose of controlling the discharge speed of the collection bin.
发明的有益效果 Advantageous effects of the invention
有益效果 Beneficial effect
[0008] 本发明的有益效果是： 与通常粉碎系统相比， 集料仓替代了旋风分离器和除尘 器， 简化了系统组成， 节省了占地面积， 集料仓内置金属微孔过滤器永不堵塞 ， 避免粉尘飞扬， 提高物料收集效率， 风机气流有助于粉碎物料通过筛网， 并 降低温度， 提高系统产能 50%以上。 [0008] The beneficial effects of the invention are: Compared with the conventional pulverizing system, the collecting bin replaces the cyclone separator and the dust remover, simplifies the system composition, saves the floor space, and the metal microporous filter built in the collecting bin is forever It does not block, avoid dust flying, improve material collection efficiency, and the fan airflow helps to crush the material through the screen and reduce the temperature, increasing the system capacity by more than 50%.
对附图的简要说明 Brief description of the drawing
附图说明 DRAWINGS
[0009] 图 1是本发明的结构示意图。 1 is a schematic structural view of the present invention.
[0010] 图中 1.电控柜， 2.投料装置， 3.粉碎机， 4.集料仓， 5.卸料装置， 6.料桶， 7. 风机。 [0010] In the figure 1. Electric control cabinet, 2. Feeding device, 3. Grinder, 4. Collecting bin, 5. Unloading device, 6. Tank, 7. Fan.
本发明的实施方式 Embodiments of the invention
[0011] 以下结合附图对本发明的具体实施方式作详细说明。 [0011] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0012] 投料装置 2出料口通过物料管道与粉碎机 3进料口连接， 粉碎机 3出料口通过物 料管道与集料仓 4进料口连接， 风机 7抽气口通过气路管道与集料仓 4抽气口连接 ， 风机 7大量抽气， 使集料仓 4内形成负压气流， 将粉碎后物料吸入集料仓 4内， 集料仓 4的内置金属微孔过滤器将物料与空气分幵， 过滤后的洁净空气通过金属 微孔过滤器出气口排到大气中， 集料仓 4的封堵装置将金属微孔过滤器出气口密 封， 从金属微孔过滤器反吹口吹入压缩空气。 [0012] The discharge port of the feeding device 2 is connected to the inlet of the pulverizer 3 through the material pipe, and the discharge port of the pulverizer 3 is connected to the inlet of the collecting bin 4 through the material pipe, and the exhaust port of the fan 7 passes through the gas pipe and the set The suction port of the silo 4 is connected, and the fan 7 draws a large amount of air to form a negative pressure airflow in the collecting bin 4, and the crushed material is sucked into the collecting bin 4, and the built-in metal microporous filter of the collecting bin 4 feeds the material and the air. After the splitting, the filtered clean air is discharged to the atmosphere through the metal microporous filter outlet port, and the sealing device of the collecting bin 4 seals the metal microporous filter outlet port, and is blown into the compression from the metal microporous filter backflushing port. air.
[0013] 粉碎机 3的粉碎室内安装温度传感器， 温度传感器与电控柜 1相连， 投料装置 2 与变频电机相连。 粉碎机 3的冷却水回路依次流过粉碎室和转子主轴的水套。 [0013] A temperature sensor is installed in the pulverizing chamber of the pulverizer 3, the temperature sensor is connected to the electric control cabinet 1, and the feeding device 2 is connected to the variable frequency motor. The cooling water circuit of the pulverizer 3 sequentially flows through the water jacket of the pulverization chamber and the rotor main shaft.
[0014] 集料仓 4出料口通过卸料装置 5与料桶 6进料口连接， 卸料装置 5与变频电机相连
工业实用性 [0014] The discharge port of the collection bin 4 is connected to the feed port of the drum 6 through the discharge device 5, and the discharge device 5 is connected to the variable frequency motor. Industrial applicability
采用集料仓收集粉碎后的物料， 是一种具有新的物料收集方式的粉碎系统， 集 料仓里的过滤器有反吹功能， 保证过滤器永不堵塞， 带有集料仓的粉碎系统具 有密闭收料、 收料效率高的特点， 工作性能稳定， 有着广泛的工业实用性。
The collecting bin is used to collect the crushed material, which is a crushing system with a new material collecting mode. The filter in the collecting bin has a backflushing function to ensure that the filter is never blocked, and the crushing system with the collecting bin It has the characteristics of closed receiving and high receiving efficiency, stable working performance and wide industrial applicability.
Claims
[权利要求 1] 一种高效无尘粉碎系统， 包括电控柜、 投料装置、 粉碎机、 集料 仓、 风机、 卸料装置等， 其特征在于： 粉碎机、 集料仓、 风机通 过管道依次连接， 集料仓包括金属微孔过滤器、 反吹装置。 [Claim 1] An efficient dust-free pulverizing system, comprising an electric control cabinet, a feeding device, a pulverizer, a collecting bin, a fan, a discharging device, etc., wherein: the pulverizer, the collecting bin, and the fan are sequentially passed through the pipeline Connected, the collection bin includes a metal microporous filter and a backflushing device.
[权利要求 2] 根据权利要求 1所述的一种高效无尘粉碎系统， 其特征在于： 风机 抽气量大于粉碎机单独工作产生的气量， 金属微孔过滤器设有出 气口和反吹口， 反吹装置与金属微孔过滤器一一对应， 反吹装置 设有封堵装置， 集料吋， 过滤后的洁净空气通过金属微孔过滤器 出气口排到大气中， 反吹吋， 封堵装置将金属微孔过滤器出气口 密封， 从反吹口吹入压缩空气。 [Claim 2] A high-efficiency dust-free pulverizing system according to claim 1, wherein: the air pumping amount of the fan is larger than the air volume generated by the pulverizer alone, and the metal microporous filter is provided with an air outlet port and a back air blowing port. The blowing device has a one-to-one correspondence with the metal microporous filter, and the back blowing device is provided with a blocking device, the collecting device, and the filtered clean air is discharged to the atmosphere through the metal microporous filter outlet port, back blowing, blocking device The metal microporous filter outlet is sealed, and compressed air is blown from the blowback port.
[权利要求 3] 根据权利要求 1所述的一种高效无尘粉碎系统， 其特征在于： 投料 装置设有螺杆， 可均匀向粉碎机中投料， 粉碎室内安装温度传感 器， 投料装置根据粉碎室温度自动调节投料速度。 [Claim 3] A high-efficiency dust-free pulverizing system according to claim 1, wherein: the feeding device is provided with a screw, which can uniformly feed the pulverizer, and the temperature sensor is installed in the pulverizing chamber, and the feeding device is based on the temperature of the pulverizing chamber. Automatically adjust the feeding speed.
[权利要求 4] 根据权利要求 1所述的一种高效无尘粉碎系统， 其特征在于： 粉碎 机带水冷却装置， 粉碎室可自动控温， 冷却水经进水口流入粉碎 室的水套， 再流入转子主轴的水套， 最后由出水口流出。 [Claim 4] A high-efficiency dust-free pulverizing system according to claim 1, wherein: the pulverizer is provided with a water cooling device, and the pulverizing chamber can automatically control the temperature, and the cooling water flows into the water jacket of the pulverizing chamber through the water inlet. The water jacket that flows into the main shaft of the rotor finally flows out of the water outlet.
[权利要求 5] 根据权利要求 1所述的一种高效无尘粉碎系统， 其特征在于： 卸料 装置采用星型卸料阀卸料， 通过变频电机调节阀芯旋转速度。
[Claim 5] A high-efficiency dust-free pulverizing system according to claim 1, wherein the unloading device is discharged by a star discharge valve, and the rotation speed of the valve core is adjusted by a variable frequency motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253028.6 | 2014-06-10 | ||
| CN201410253028.6A CN105195287A (en) | 2014-06-10 | 2014-06-10 | Efficient dust-free smashing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015188559A1 true WO2015188559A1 (en) | 2015-12-17 |
Family
ID=54832828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2014/089121 WO2015188559A1 (en) | 2014-06-10 | 2014-10-22 | Highly-efficient dustless pulverizing system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105195287A (en) |
| WO (1) | WO2015188559A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106552709B (en) * | 2016-11-10 | 2019-06-11 | 长沙开元仪器股份有限公司 | Crushing material collection device and crushing material production line |
| CN112169990B (en) * | 2019-07-02 | 2023-10-24 | 重庆市易特杰机械制造有限公司 | Dust-free crushing workstation and use method thereof |
| CN112090501B (en) * | 2020-08-26 | 2022-04-22 | 江阴市宝利机械制造有限公司 | Needle rod dust-free crushing system and method based on crystal materials |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006033A (en) * | 1975-09-08 | 1977-02-01 | Barber-Colman Company | Trash removal from vacuum system in an open end spinning machine |
| US4760968A (en) * | 1987-06-30 | 1988-08-02 | Dravo Corporation | Integrated dust containment system for rotary crusher/breakers and the like |
| CN202028305U (en) * | 2011-04-14 | 2011-11-09 | 厦门市三和泰科技有限公司 | Environmental-protection dust removal device |
| CN202315576U (en) * | 2011-11-10 | 2012-07-11 | 北京长峰金鼎科技有限公司 | Automatic dust-free collecting bin |
| CN202803360U (en) * | 2012-08-03 | 2013-03-20 | 淄博森源秸秆能源开发有限公司 | Dry straw crashing and dust-removing system |
| CN203577962U (en) * | 2013-10-22 | 2014-05-07 | 山西兰花华明纳米材料有限公司 | Negative-pressure charging type nano calcium carbonate grinding device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050781U (en) * | 1989-02-24 | 1990-01-10 | 中国科学院成都有机化学研究所 | Vertical disintegrating mill with jacket water |
| CN2126548Y (en) * | 1992-07-06 | 1993-01-13 | 国家建材局科技开发中心 | Angle rotor beater type crusher |
| CN2298864Y (en) * | 1997-07-25 | 1998-12-02 | 冶金工业部长沙矿冶研究院 | superfine stirring ore mill |
| CN2805918Y (en) * | 2005-07-21 | 2006-08-16 | 富强鑫精密工业股份有限公司 | Powder micronized grinding and dispersing equipment |
| CN202823510U (en) * | 2012-07-09 | 2013-03-27 | 青岛远辉复合材料有限公司 | Carbon fiber powder ball grinding mill |
-
2014
- 2014-06-10 CN CN201410253028.6A patent/CN105195287A/en active Pending
- 2014-10-22 WO PCT/CN2014/089121 patent/WO2015188559A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006033A (en) * | 1975-09-08 | 1977-02-01 | Barber-Colman Company | Trash removal from vacuum system in an open end spinning machine |
| US4760968A (en) * | 1987-06-30 | 1988-08-02 | Dravo Corporation | Integrated dust containment system for rotary crusher/breakers and the like |
| CN202028305U (en) * | 2011-04-14 | 2011-11-09 | 厦门市三和泰科技有限公司 | Environmental-protection dust removal device |
| CN202315576U (en) * | 2011-11-10 | 2012-07-11 | 北京长峰金鼎科技有限公司 | Automatic dust-free collecting bin |
| CN202803360U (en) * | 2012-08-03 | 2013-03-20 | 淄博森源秸秆能源开发有限公司 | Dry straw crashing and dust-removing system |
| CN203577962U (en) * | 2013-10-22 | 2014-05-07 | 山西兰花华明纳米材料有限公司 | Negative-pressure charging type nano calcium carbonate grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105195287A (en) | 2015-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203750644U (en) | Superfine air flow grinding system | |
| CN103463920A (en) | Dust removal method of compound dust remover | |
| CN203750656U (en) | Mechanical superfine grinding system | |
| CN109985709A (en) | A kind of high-efficiency pulverized coal preparation system | |
| WO2015188559A1 (en) | Highly-efficient dustless pulverizing system | |
| CN203602036U (en) | Fine dried noodle broken piece conveyor line and fine dried noodle broken piece collecting and smashing system with same | |
| CN210252550U (en) | Fine particle pulverizer | |
| CN203304057U (en) | Crushing production line with double dedusting | |
| CN208305570U (en) | A kind of EPS waste material recovery device | |
| CN208115936U (en) | A kind of dust collecting structure of grinding device | |
| CN105170290A (en) | Ore crushing machine unit | |
| CN201644395U (en) | Composite outer classifier | |
| CN103537357A (en) | Energy-saving type smash grading device | |
| CN208642914U (en) | A kind of high-efficiency pulverized coal preparation system | |
| CN209663450U (en) | A kind of grinding device of terephthalic acid (TPA) calcium powder material | |
| CN204620077U (en) | Cystosepiment breaker | |
| CN208824585U (en) | A kind of crusher with waste recovery | |
| CN201783409U (en) | Two-stage powder recovery device | |
| CN201625554U (en) | Special particle mill for metal silicon | |
| CN205948967U (en) | Take vacuum device's titanium white powder jet milling device | |
| CN203090988U (en) | Dustproof crushing unit | |
| CN203484024U (en) | Combined dust remover | |
| CN202078826U (en) | Jet mill dust-removal bag filter | |
| CN207722932U (en) | Environment-friendly recycled aggregate strengthening and pulverizing integrated system | |
| CN207271345U (en) | A kind of horizontal sand mill of good cooling results |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14894305 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 14894305 Country of ref document: EP Kind code of ref document: A1 |