CN113695019A - Grain crushing and purging device - Google Patents

Grain crushing and purging device Download PDF

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Publication number
CN113695019A
CN113695019A CN202111033124.6A CN202111033124A CN113695019A CN 113695019 A CN113695019 A CN 113695019A CN 202111033124 A CN202111033124 A CN 202111033124A CN 113695019 A CN113695019 A CN 113695019A
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CN
China
Prior art keywords
crushing
wind power
communicated
barrel
powder
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CN202111033124.6A
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Chinese (zh)
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CN113695019B (en
Inventor
魏丽娜
李跃童
罗仓学
徐颖
张冲
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Shaanxi University of Science and Technology
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Shaanxi University of Science and Technology
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Priority to CN202111033124.6A priority Critical patent/CN113695019B/en
Publication of CN113695019A publication Critical patent/CN113695019A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C9/00Other milling methods or mills specially adapted for grain
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C11/00Other auxiliary devices or accessories specially adapted for grain mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C11/00Other auxiliary devices or accessories specially adapted for grain mills
    • B02C11/04Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • B02C23/30Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • B02C23/32Passing gas through crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

The invention belongs to the technical field of food processing equipment, and particularly relates to a grain crushing and blowing device which comprises a feeding hopper, a crushing barrel and a heavy material collecting bin, wherein the feeding hopper is arranged above the upstream end of the crushing barrel, a motor is arranged on the crushing barrel, a wind power distributor and a plurality of wind power distributing pipes are arranged below the crushing barrel, the lower ends of the wind power distributing pipes are communicated with the air outlets of the wind power distributor, the air inlets of the wind power distributor are connected with crushing fans, wind screening powder extractors are correspondingly arranged above the wind power distributing pipes one by one, the heavy material collecting bin is positioned below the crushing barrel and communicated with the bottom of the downstream wind screening powder extractor, and a powder collector, a fine powder conveying fan and a cloth barrel filter are sequentially communicated above the heavy material collecting bin from bottom to top. The invention can prepare fine powder with uniform density by intermittently supplying wind power, screening coarse powder, crushing materials and separating the materials in a blowing mode.

Description

Grain crushing and purging device
Technical Field
The invention belongs to the technical field of food processing equipment, and particularly relates to a grain crushing and blowing device.
Background
The processing of grain material fine powder is one of the common means for processing instant beverage food, and in the prior art, raw grain materials or cooked grain materials are directly mechanically crushed and sieved, and then powder meeting the requirements of large and small particle density is mixed to prepare the instant grain beverage. However, grain raw materials such as corn kernels, wheat and the like comprise two parts, namely seed coats and cores, the grain raw materials have different inner and outer tastes, the contents of starch, protein and the like are different, if the seed coats and the cores are not distinguished, protein coagulates are formed due to protein denaturation in the process of brewing the prepared powder with hot water, the defect of agglomeration can occur when instant grain beverages are formed, and the poor phenomenon of layering can occur after the beverages are cooled. Therefore, a new device for preparing refined flour needs to be developed.
Disclosure of Invention
In order to solve the technical problem, the invention provides a grain crushing and blowing device.
The invention aims to provide a grain crushing and blowing device which comprises a feed hopper, a crushing barrel and a heavy material collecting bin, wherein the feed hopper is arranged above the upstream end of the crushing barrel, and the crushing barrel is also provided with a motor for controlling the rotation of a rotating shaft;
a wind power distributor and a plurality of wind power distribution pipes are arranged below the crushing barrel, the upper end of each wind power distribution pipe is communicated with the bottom of the crushing barrel, the lower end of each wind power distribution pipe is communicated with the air outlet of the wind power distributor, and the air inlet of the wind power distributor is connected with a crushing fan;
the air screen powder lifting devices are correspondingly arranged above the plurality of wind power distribution pipes one by one, the air screen powder lifting devices are installed and communicated with the top of the crushing barrel, the bottom end of the side wall of each air screen powder lifting device is also provided with a discharge port, and the plurality of discharge ports are communicated with the powder collector after being gathered through a connecting pipe;
the heavy material collecting bin is located at the position below the crushing barrel and communicated with the bottom of the air screen powder extractor at the most downstream position, a powder collecting device, a fine powder conveying fan and a cloth barrel filter are sequentially communicated and arranged above the heavy material collecting bin from bottom to top, and sieve pores with the diameter of 60-120 meshes are arranged on the cloth barrel filter.
Preferably, a rotating shaft and crushing blades are arranged in the crushing barrel, and the crushing blades are blade-shaped crushing blades and distributed around the rotating shaft in a spiral shape.
Preferably, the wind distribution pipes have different inner diameters.
Preferably, the wind power distributor is provided with an air inlet and a plurality of air outlets, and the lower ends of the plurality of wind power distribution pipes are communicated with the plurality of air outlets of the wind power distributor in a one-to-one correspondence manner.
Preferably, the air screen powder lifting device comprises a storage barrel, a feeding pipe, a first discharging pipe and a second discharging pipe, the storage barrel is mounted above the crushing barrel, one end of the feeding pipe is communicated with the top of the crushing barrel, the other end of the feeding pipe is communicated with the top of the storage barrel, the top of the first discharging pipe is communicated with the bottom of the storage barrel, the bottom of the first discharging pipe is communicated with the top of the crushing barrel, the bottom of the side wall of the storage barrel is provided with the discharge port, the second discharging pipe is communicated with the discharge port, and the outlet end of the second discharging pipe is communicated with the connecting pipe.
Preferably, the feeding pipe is positioned right above the corresponding feeding pipe.
Preferably, a filter screen is arranged on the discharge hole, and the discharge hole is positioned at the downstream of the filter screen and communicated with the inlet end of the second discharge pipe.
Preferably, an exhaust fan is arranged on the feeding pipe or the first discharging pipe.
Preferably, an air filter is disposed upstream of the pulverizing blower.
Preferably, the cloth barrel filter is provided with sieve holes with the diameter of 120 meshes.
Compared with the prior art, the grain crushing and blowing device provided by the invention has the following beneficial effects:
the invention screens coarse powder by discontinuously providing wind power, and crushes and purges materials, because the movement speed of the coarse powder with lower density and the coarse powder with higher density in the device is different, the coarse powder and the coarse powder can be separated under the combined action of the wind power and gravity, the fine powder prepared by the method has uniform density after being brewed by water, protein can not be denatured to form protein clot when being brewed, and the brewing liquid can not be agglomerated and layered.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
fig. 2 is a schematic structural diagram of the air-sieving powder extractor.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention to be implemented, the present invention will be further described with reference to the following specific embodiments and accompanying drawings. The following examples, as well as test methods not specifically identified in the summary of the invention, were conducted according to methods and conditions conventional in the art.
The experimental methods and the detection methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials are commercially available, unless otherwise specified. In the following examples, the grain material such as corn grain is commercially available dry grain.
Example 1
A grain crushing and purging device is shown in figures 1-2 and comprises a feed hopper 1, a crushing barrel 2, a motor 3, a plurality of wind power distribution pipes 4, a wind power distributor 5, a crushing fan 6, a plurality of wind screen powder lifting devices 7, a powder collector 8, a fine powder conveying fan 81, a cloth barrel filter 82 and a heavy material collecting bin 9. The motor 3 adopts a rotating motor, and the crushing fan 6 and the fine powder conveying fan 81 both adopt fan structures in the prior art.
The feed hopper 1 is used for feeding the material or coarse particles crushed by the grinder and is located at a feed inlet provided above the upstream end of the crushing barrel 2, the feed inlet corresponds to the left end shown in fig. 1, and the feed hopper 1 is communicated with the feed inlet, and the material passing through the feed hopper 1 then enters the crushing barrel 2. A rotating shaft and crushing knives are arranged in the crushing barrel 2, the crushing knives are blade-shaped crushing knives and are spirally distributed around the rotating shaft, the crushing knives and the rotating shaft can be used for crushing materials after being combined, and a motor 3 for controlling the rotating shaft to rotate is further arranged on the crushing barrel 2; motor 3 installs on crushing barrel 2, is located 2 inside or outsides of crushing barrel, if be located 2 outsides of crushing barrel, then its output shaft runs through crushing barrel 2 and is connected with the pivot, and the sealed setting is noted with the junction of 3 output shafts of motor to crushing barrel 2, and motor 3 provides crushing power for smashing the sword. The bottom of the crushing cylinder 2 is communicated with a plurality of wind power distribution pipes 4, preferably, the number of the wind power distribution pipes 4 is 5; the wind distribution pipe 4 is of a tubular structure, and the upper end of the wind distribution pipe is communicated with the bottom of the crushing barrel 2. Smash 2 below of a section of thick bamboo and still be provided with wind power distributor 5, wind power distributor 5 has an air inlet and a plurality of gas outlets, and it can adopt prior art's wind power distributor structure, also can self-control, for example the design contains a house steward and a plurality of bleeder, and the one end of house steward is the air inlet, and the other end is the cecum, and the intercommunication has the one end of a plurality of bleeder on the house steward, and the other end of a plurality of bleeder is as the gas outlet, and the internal diameter of a plurality of bleeder is different to produce different wind-force. The lower ends of the wind power distribution pipes 4 are communicated with the air outlets of the wind power distribution pipes 5 in a one-to-one correspondence mode, the air inlets of the wind power distribution pipes 5 are connected with the crushing fans 6, the crushing fans 6 can generate conveying wind power for the wind power distribution pipes 5, and the wind power distribution pipes 5 can provide wind power of different levels for the different wind power distribution pipes 4.
The number of the air screen powder extracting devices 7 is the same as that of the wind power distribution pipes 4, the positions of the air screen powder extracting devices are arranged in a one-to-one correspondence mode, and the air screen powder extracting devices 7 are correspondingly arranged right above the wind power distribution pipes 4. Air-screen powder lifting device 7 comprises a storage barrel 71, a feeding pipe 72, a first discharging pipe 73 and a second discharging pipe 74, storage barrel 71 is installed above grinding barrel 2, one end and the 2 top of grinding barrel of feeding pipe 72 communicate, the other end communicates with the storage barrel 71 top, feeding pipe 72 is located directly over its corresponding feeding pipe 72 or is close to directly over department, the top and the storage barrel 71 bottom intercommunication of first discharging pipe 73, the bottom and the 2 top of grinding barrel of first discharging pipe 73 communicate, the lateral wall bottom of storage barrel 71 is equipped with the discharge gate, be equipped with filter screen 76 on the discharge gate, the downstream intercommunication that the discharge gate is located filter screen 76 has the entrance point of second discharging pipe 74. The materials crushed in the crushing barrel 2 are blown to the feeding pipe 72 by the wind power passing through the wind power distribution pipe 4 and then enter the storage barrel 71, some materials meeting the filtering condition enter the second discharging pipe 74 through the filter screen 76, and the rest materials return to the crushing barrel 2 again through the first discharging pipe 73 to be crushed continuously, preferably, the feeding pipe 72 or the first discharging pipe 73 is provided with an exhaust fan, so that the materials can flow according to the planned flow direction.
Due to the arrangement of the air screen powder lifting devices 7, a plurality of second discharging pipes 74 are correspondingly arranged, outlet ends of the second discharging pipes 74 are communicated through connecting pipes 75, and the connecting pipes 75 are finally communicated with inlets of the powder collecting devices 8. The wind distributor 5 provides different levels of wind power and blows the crushed material particles into different wind sifters 7, and the material converged into the connecting pipe 75 by the second discharging pipe 74 is collected in the powder collector 8.
The heavy material collecting bin 9 is located the position below the crushing barrel 2 and communicated with the last level, namely the first discharging pipe 73 of the downstream air screen powder extractor 7, and is used for collecting coarse powder materials which are not qualified for the particle size after being crushed, and the powder collector 8, the fine powder conveying fan 81 and the cloth barrel filter 82 are sequentially arranged above the heavy material collecting bin 9 from bottom to top. On one hand, after the crushed coarse powder material enters the heavy material collecting bin 9, coarse particles fall into the bottom of the heavy material collecting bin 9 due to the action of gravity, and fine powder with light weight and small particle size can enter the cloth barrel filter 82 under the action of the fine powder conveying fan 81; on the other hand, fine powder in the material conveyed from the connecting pipe 75 to the powder collector 8 can also enter the cloth tub filter 82 by the fine powder conveying fan 81. Since the cloth barrel filter 82 is provided with sieve holes with 60-120 meshes, preferably sieve holes with 120 meshes, the particle size of the refined powder finally entering the cloth barrel filter 82 is 120 meshes.
Preferably, in order to prevent dust in the air from blowing into the milling drum 2, we provide an air filter upstream of the milling fan 6.
The working principle of the device is as follows:
firstly, blowing air into a crushing cylinder 2 by using a crushing fan 6 to distribute grain raw materials such as shelled corn and the like entering from a feed hopper 1 into the crushing cylinder 2; stopping blowing, starting the motor 3 to crush the materials in the crushing barrel 2, blowing air by using a crushing fan 6 after the materials are completely crushed into coarse powder, and enabling the coarse powder to enter different air-screening powder extractors 7 for separation; and stopping blowing, separating the fine powder A with lower density (such as the particle size of 120 meshes) from the second discharging pipe 74 due to the influence of gravity due to the interruption of wind power, collecting the fine powder A with lower density into the powder collector 8, starting the fine powder conveying fan 81 to provide power for the flow of the fine powder A, and returning the fine powder B with higher density (such as the particle size of 120 meshes) into the crushing barrel 2 from the first discharging pipe 73. Then, the fine powder is blown into the cloth tub filter 82 by the fine powder conveying fan 81, and the fine powder C obtained by passing through the mesh screen can be used as fine powder for preparing food such as instant beverage due to the mesh screen on the cloth tub filter 82.
And secondly, repeating the operation of the first step for a plurality of times on the fine powder B with higher density, collecting all the fine powder C meeting the requirement into the cloth barrel filter 82, directly packaging the product, collecting the fine powder B (such as particles with the particle size larger than 120 meshes) which does not meet the requirement into the heavy material collecting bin 9, stopping the machine at intervals, opening the heavy material collecting bin 9, recovering the fine powder B (such as particles with the particle size larger than 120 meshes) in the heavy material collecting bin, making coarse grain biscuits, and adding the fine powder B into the crushing barrel 2 again to continue crushing.
In the above embodiments, components used are commercially available components, and the structure of these components is not described in detail since the invention is not related to the point.
It should be noted that, when the present invention relates to a numerical range, it should be understood that two endpoints of each numerical range and any value between the two endpoints can be selected, and since the steps and methods adopted are the same as those in the embodiment, in order to prevent redundancy, the present invention describes a preferred embodiment. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The blowing device for crushing the grains is characterized by comprising a feed hopper (1), a crushing barrel (2) and a heavy material collecting bin (9), wherein the feed hopper (1) is installed above the upstream end of the crushing barrel (2), and a motor (3) for controlling the rotation of the rotating shaft is arranged on the crushing barrel (2);
a wind power distributor (5) and a plurality of wind power distribution pipes (4) are arranged below the crushing barrel (2), the upper end of each wind power distribution pipe (4) is communicated with the bottom of the crushing barrel (2), the lower end of each wind power distribution pipe is communicated with the air outlet of the wind power distributor (5), and the air inlet of the wind power distributor (5) is connected with a crushing fan (6);
the air screen powder extractors (7) are correspondingly arranged above the plurality of wind distribution pipes (4), the air screen powder extractors (7) are communicated and arranged at the top of the crushing barrel (2), the bottom end of the side wall of each air screen powder extractor (7) is also provided with a discharge hole, and the discharge holes are communicated with a powder collector (8) after being collected and communicated through a connecting pipe (75);
heavy burden is collected storehouse (9) and is located smash a section of thick bamboo (2) below, and with most low reaches the powder ware (7) bottom intercommunication is carried to the air screen, the top from the bottom up that heavy burden was collected storehouse (9) communicates in proper order and is provided with powder collector (8), fine powder delivery fan (81) and cloth bucket filter (82), be provided with diameter 60-120 mesh sieve mesh on cloth bucket filter (82).
2. The grain crushing and purging device as claimed in claim 1, wherein a rotating shaft and crushing blades are arranged in the crushing barrel (2), and the crushing blades are blade-shaped crushing blades and are distributed around the rotating shaft in a spiral shape.
3. The grain crushing and purging device as claimed in claim 1, wherein the plurality of wind distribution pipes (4) have different inner diameters.
4. The grain crushing and purging device as claimed in claim 3, wherein the wind power distributor (5) has one air inlet and a plurality of air outlets, and the lower ends of the plurality of wind power distribution pipes (4) are in one-to-one correspondence with the plurality of air outlets of the wind power distributor (5).
5. The grain crushing and purging device as claimed in claim 4, wherein the air sieve powder extractor (7) comprises a storage barrel (71), a feeding pipe (72), a first discharging pipe (73) and a second discharging pipe (74), the storage barrel (71) is arranged above the crushing barrel (2), one end of the feeding pipe (72) is communicated with the top of the crushing barrel (2), the other end of the feeding pipe is communicated with the top of the storage barrel (71), the top of the first discharge pipe (73) is communicated with the bottom of the storage barrel (71), the bottom is communicated with the top of the crushing barrel (2), the discharge hole is formed in the bottom of the side wall of the storage barrel (71), the second discharge pipes (74) are communicated with the discharge hole, the outlet ends of the second discharge pipes (74) are communicated through the connecting pipe (75), and the connecting pipe (75) is finally communicated with the inlet of the powder collector (8).
6. The grain crushing and purging device as claimed in claim 5, wherein the feed pipes (72) are located right above the corresponding feed pipes (72).
7. The grain crushing and purging device as claimed in claim 5, wherein a filter screen (76) is arranged on the discharge port, and the discharge port is communicated with the inlet end of the second discharge pipe (74) at the downstream of the filter screen (76).
8. The grain crushing and purging device as claimed in claim 7, wherein an exhaust fan is arranged on the feeding pipe (72) or the first discharging pipe (73).
9. Grain crushing and purging device according to claim 1, wherein an air filter is provided upstream of the crushing fan (6).
10. The grain crushing and purging device as claimed in claim 1, wherein the cloth barrel filter (82) is provided with mesh holes with a diameter of 120 meshes.
CN202111033124.6A 2021-09-03 2021-09-03 Grain smashing and purging device Active CN113695019B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111033124.6A CN113695019B (en) 2021-09-03 2021-09-03 Grain smashing and purging device

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Application Number Priority Date Filing Date Title
CN202111033124.6A CN113695019B (en) 2021-09-03 2021-09-03 Grain smashing and purging device

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CN113695019A true CN113695019A (en) 2021-11-26
CN113695019B CN113695019B (en) 2023-03-31

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB474657A (en) * 1937-02-10 1937-11-04 Victor Booth Improvements in or relating to machines for cleaning and grading grain, peas, and the like
JP2000320966A (en) * 1999-05-11 2000-11-24 Miike Tekkosho:Kk Crushing, selecting and drying device
CN101318180A (en) * 2008-07-22 2008-12-10 苏州宝化炭黑有限公司 Hydrocarbon black powder removing method and device
CN102371205A (en) * 2011-05-26 2012-03-14 湖北第二师范学院 Novel grinding-free process of producing micropowder
CN204866067U (en) * 2015-07-01 2015-12-16 徐州工程学院 Fluid unit of adjustable crushing particle diameter
CN106440666A (en) * 2016-07-31 2017-02-22 武汉贵言机械制造有限公司 Efficient boiling type drying machine
CN207102821U (en) * 2017-06-12 2018-03-16 江苏华力索菲新材料有限公司 A kind of air flow crushing device for preparing titanium dioxide
CN109024023A (en) * 2018-09-30 2018-12-18 山东世纪阳光纸业集团有限公司 A kind of broken 3-stage dust-removal device of stalk
CN109622175A (en) * 2018-11-28 2019-04-16 上海化工研究院有限公司 A kind of powder classifying system
CN111804422A (en) * 2020-07-09 2020-10-23 酒泉钢铁(集团)有限责任公司 Stepped fluidized mineral separator and separation method
CN211755823U (en) * 2019-12-31 2020-10-27 施东 Fine screening system suitable for dry agar powder
CN211801513U (en) * 2020-02-22 2020-10-30 浙江华康药业股份有限公司 Preparation system of sugar alcohol powder
CN212732533U (en) * 2020-05-22 2021-03-19 浙江康柳智能科技有限公司 Metal separation and dust pelletizing system suitable for steel grinder

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB474657A (en) * 1937-02-10 1937-11-04 Victor Booth Improvements in or relating to machines for cleaning and grading grain, peas, and the like
JP2000320966A (en) * 1999-05-11 2000-11-24 Miike Tekkosho:Kk Crushing, selecting and drying device
CN101318180A (en) * 2008-07-22 2008-12-10 苏州宝化炭黑有限公司 Hydrocarbon black powder removing method and device
CN102371205A (en) * 2011-05-26 2012-03-14 湖北第二师范学院 Novel grinding-free process of producing micropowder
CN204866067U (en) * 2015-07-01 2015-12-16 徐州工程学院 Fluid unit of adjustable crushing particle diameter
CN106440666A (en) * 2016-07-31 2017-02-22 武汉贵言机械制造有限公司 Efficient boiling type drying machine
CN207102821U (en) * 2017-06-12 2018-03-16 江苏华力索菲新材料有限公司 A kind of air flow crushing device for preparing titanium dioxide
CN109024023A (en) * 2018-09-30 2018-12-18 山东世纪阳光纸业集团有限公司 A kind of broken 3-stage dust-removal device of stalk
CN109622175A (en) * 2018-11-28 2019-04-16 上海化工研究院有限公司 A kind of powder classifying system
CN211755823U (en) * 2019-12-31 2020-10-27 施东 Fine screening system suitable for dry agar powder
CN211801513U (en) * 2020-02-22 2020-10-30 浙江华康药业股份有限公司 Preparation system of sugar alcohol powder
CN212732533U (en) * 2020-05-22 2021-03-19 浙江康柳智能科技有限公司 Metal separation and dust pelletizing system suitable for steel grinder
CN111804422A (en) * 2020-07-09 2020-10-23 酒泉钢铁(集团)有限责任公司 Stepped fluidized mineral separator and separation method

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