CN106269163B - Powder production device - Google Patents
Powder production device Download PDFInfo
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- CN106269163B CN106269163B CN201610764921.4A CN201610764921A CN106269163B CN 106269163 B CN106269163 B CN 106269163B CN 201610764921 A CN201610764921 A CN 201610764921A CN 106269163 B CN106269163 B CN 106269163B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a powder production device, comprising: a feeding device; the inlet of the first crushing device is connected with the outlet of the feeding device; the inlet of the second crushing device is connected with the outlet of the first crushing device, and the other outlet of the first crushing device is connected with the inlet of the dust removing device; and the inlet of the screening device is connected with the outlet of the second crushing device, and the other outlet of the second crushing device is connected with the inlet of the dust removing device. The powder production equipment provided by the invention is used for crushing materials through a two-stage crushing system, and meanwhile, the screening equipment and the dust removal equipment are arranged, so that the prepared powder is small and uniform in granularity, the impurity content in the powder is low, and the powder with high quality can be prepared by adopting the powder production equipment provided by the invention. The powder production device provided by the invention is particularly suitable for preparing biomass powder, such as straw powder.
Description
Technical Field
The invention relates to the technical field of powder production, in particular to a powder production device.
Background
The straws are products in the crop production process, according to statistics, more than 6 hundred million tons of straws need to be treated every year in China, the treatment of the straws is generally realized in most areas by an incineration mode, the incineration of the straws can cause serious pollution to air, and dense smoke generated in the incineration process even influences the normal operation of an aircraft. With the development of science and technology, people find that straws contain a lot of recyclable components, and the straws can be recycled by adopting proper equipment to reprocess the straws.
In the process of processing the straw, the straw is generally crushed into powder by a material crushing device, and then the straw powder is subjected to other process treatment. In the process of crushing straws, the material crushing device provided by the prior art cannot clean wheat grains, soil powder or other impurities mixed in the straws, so that the quality of straw powder is seriously influenced; when the material crushing device provided by the prior art crushes the straws, the crushed thickness of the straws is very uneven, and repeated crushing operation is often needed for many times, so that the production efficiency is seriously reduced and the production cost is improved.
Therefore, a production device capable of preparing powder with fine and uniform particle size and low impurity content is urgently needed in the market at present.
Disclosure of Invention
In view of the above, the present invention provides a powder production apparatus, in which the particle size of the powder prepared by the powder production apparatus is fine and uniform, and the content of impurities in the prepared powder is low.
The invention provides a powder production device, comprising:
a feeding device;
the inlet of the first crushing device is connected with the outlet of the feeding device;
the inlet of the second crushing device is connected with the outlet of the first crushing device, and the other outlet of the first crushing device is connected with the inlet of the dust removing device;
and the inlet of the screening device is connected with the outlet of the second crushing device, and the other outlet of the second crushing device is connected with the inlet of the dust removing device.
Preferably, the first and second comminution apparatuses are independently selected from straw mills.
Preferably, the dust removing equipment is a bag-type dust remover.
Preferably, the powder production apparatus further comprises:
the inlet of the first material collecting device is connected with the outlet of the first crushing device, and the outlet of the first material collecting device is connected with the inlet of the second crushing device;
the inlet of the second material collecting device is connected with the outlet of the second crushing device, and the outlet of the second material collecting device is connected with the inlet of the screening device.
Preferably, the other outlet of the first material collecting device is connected with the inlet of the dust removing device;
the other outlet of the second aggregate equipment is connected with the inlet of the dust removing equipment.
Preferably, a first suction fan is arranged between the first crushing device and the first material collecting device;
and a second suction fan is arranged between the second crushing equipment and the second material collecting equipment.
Preferably, a first air-closing device is arranged at an outlet below the first material collecting device;
and a second air-blocking device is arranged at an outlet below the second material collecting device.
Preferably, an impurity analysis device is arranged between the second crushing device and the screening device, an inlet of the impurity analysis device is connected with an outlet of the second crushing device, and an outlet of the impurity analysis device is connected with an inlet of the screening device.
Preferably, a third aggregate device is arranged between the second crushing device and the dust removing device, an inlet of the third aggregate device is connected with an outlet of the second crushing device, and an outlet of the third aggregate device is connected with an inlet of the dust removing device.
Preferably, a vibration device is arranged inside the dust removing device.
The working process of the powder production device provided by the invention is as follows: the material to be crushed enters through the feeding equipment, then the material is crushed by the first crushing equipment and the second crushing equipment in sequence, impurities generated in the material crushing process are removed through the dust removing equipment in the crushing process, and the material crushed by the second crushing equipment enters the screening equipment to be screened, so that powder with fine and uniform granularity and less impurity content is obtained. The powder production device provided by the invention is used for crushing materials through a two-stage crushing system, and meanwhile, the prepared powder is smaller and uniform in granularity and lower in impurity content through the arrangement of the screening equipment and the dust removal equipment. The powder production device provided by the invention is particularly suitable for preparing biomass powder, such as straw powder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a powder production apparatus provided in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a powder production device, comprising:
a feeding device;
the inlet of the first crushing device is connected with the outlet of the feeding device;
the inlet of the second crushing device is connected with the outlet of the first crushing device, and the other outlet of the first crushing device is connected with the inlet of the dust removing device;
and the inlet of the screening device is connected with the outlet of the second crushing device, and the other outlet of the second crushing device is connected with the inlet of the dust removing device.
The powder production device provided by the invention comprises a feeding device for inputting the material to be crushed. The invention has no special limitation on the size and the shape of the feeding equipment and can meet the actual operation conditions. In an embodiment of the invention, the feeding device may be a funnel-shaped feed inlet.
The inlet of the powder production device is connected with the outlet of the feeding device, and the first crushing device is used for primarily crushing the material to be crushed. In the embodiment of the invention, the crushed material length of the first crushing device is 3 cm-5 cm; in other embodiments, the lengths of the crushed materials of the first crushing device are 3.5cm to 4.5 cm. In the embodiment of the invention, the cooling structure in the first crushing device is a double-layer hollow structure, and cooling water is introduced into the middle of the hollow structure for cooling, so that the temperature of the material in the first crushing device can be kept in a constant range. In an embodiment of the present invention, the first crushing apparatus may be a straw crusher.
The powder production device provided by the invention comprises a second crushing device with an inlet connected with the outlet of the first crushing device, and the second crushing device is used for crushing the primarily crushed material again. In an embodiment of the invention, the crushed material length of the second crushing device is 1 cm-2 cm; in other embodiments, the crushed material length of the second crushing device is 1.2cm to 1.8 cm; in further embodiments, the second comminution apparatus has a chaff length of 1.4cm to 1.6 cm. In the embodiment of the invention, the cooling structure in the second crushing device is a double-layer hollow structure, and cooling water is introduced into the middle of the hollow structure for cooling, so that the temperature of the material in the second crushing device can be kept in a constant range. In an embodiment of the present invention, the second crushing apparatus may be a straw crusher.
In the invention, the other outlet of the first crushing device is connected with the inlet of the dust removing device, and the dust removing device is used for removing impurities generated in the process of primarily crushing materials in the first crushing device. In the embodiment of the invention, the dust removing equipment is a bag-type dust remover. In the embodiment of the invention, the pressure of the bag-type dust collector is 0.5 MPa-0.7 MPa. In the embodiment of the invention, 32-128 cloth bags are arranged in a dust collecting chamber of the cloth bag dust remover. In the embodiment of the invention, the bag-type dust collector is provided with 3-28 dust collecting chambers. In the embodiment of the invention, the filter area of the bag-type dust collector is 93m2～4361m2. In the embodiment of the invention, the processing air volume of the bag-type dust collector is 6900m3/H～314000m3/H。
In the embodiment of the invention, the vibration equipment is arranged in the dust removing equipment, and the vibration equipment can clean materials at regular time to prevent the dust removing equipment from being blocked. In an embodiment of the invention, the vibration device is an electromagnetic vibrator.
In an embodiment of the invention, the first crushing device is communicated with the dust removing device through a first pipeline, and impurities generated in the first crushing device are conveyed into the dust removing device through the first pipeline.
In the invention, the outlet of the second crushing device is connected with the inlet of the screening device, and the screening device is used for screening the grains of the secondarily crushed materials. In an embodiment of the invention, the screening device is a powder screening machine. In the embodiment of the invention, the mesh layer number of the powder screening machine is 1-3.
In the invention, the other outlet of the second crushing device is connected with the inlet of the dust removing device, and impurities generated in the process of secondarily crushing the materials in the second crushing device are removed by the dust removing device. In an embodiment of the invention, the second crushing device and the dust removing device are communicated through a second pipeline, and the impurities in the second crushing device are conveyed into the dust removing device through the second pipeline.
In an embodiment of the invention, a first material collecting device is arranged between the first crushing device and the second crushing device and is used for storing the material after the first crushing by the first crushing device. In an embodiment of the invention, the inlet of the first material collecting device is connected with the outlet of the first crushing device, the outlet of the first material collecting device is connected with the inlet of the second crushing device, and the other outlet of the first material collecting device is connected with the inlet of the dust removing device. The shape and the size of the first material collecting equipment are not particularly limited, and the practical operation conditions can be met. In an embodiment of the invention, the first material collecting device is a collecting hopper.
In an embodiment of the invention, the first crushing device and the first material collecting device are communicated through a third pipeline, and the material after the first crushing of the first crushing device is conveyed into the first material collecting device through the third pipeline. In an embodiment of the invention, a first suction fan is arranged between the first crushing device and the first aggregate device, and the first suction fan is used for sucking the material primarily crushed by the first crushing device into the first aggregate device. In an embodiment of the present invention, the first suction fan is disposed in the third duct.
In an embodiment of the invention, a first air-blocking device is arranged at an outlet below the first material-collecting device, and the first air-blocking device can prevent the material in the first material-collecting device from flowing backwards. The invention has no special limitation on the type and source of the air-closing equipment, and the air-closing equipment can prevent outside air from entering and ensure that materials are continuously discharged. In an embodiment of the invention, the first airlock is an airlock.
In an embodiment of the invention, a second material collecting device is arranged between the second crushing device and the screening device, and the second material collecting device is used for storing the material secondarily crushed by the second crushing device. In an embodiment of the invention, an inlet of the second material collecting device is connected with an outlet of the second crushing device, an outlet of the second material collecting device is connected with an inlet of the screening device, and another outlet of the second material collecting device is connected with an inlet of the dust removing device in the technical scheme. The shape and the size of the second aggregate equipment are not particularly limited, and the actual operation conditions can be met. In an embodiment of the invention, the second material collecting device is a collecting hopper.
In an embodiment of the invention, the second material collecting device is communicated with the screening device through a fourth pipeline, and the material after the secondary crushing in the second material collecting device is conveyed into the screening device through the fourth pipeline. In an embodiment of the invention, a second suction fan is arranged between the second collecting device and the screening device, and the second suction fan is used for sucking the secondarily crushed materials in the second collecting device into the screening device. In an embodiment of the invention, the second suction fan is arranged in the fourth duct.
In an embodiment of the present invention, the first pipe, the second pipe, the third pipe and the fourth pipe are independently bent pipes, the bent pipes can increase friction between materials and the pipes, and the heat generated by the friction can remove moisture in the materials.
In an embodiment of the invention, a second air-blocking device is arranged at an outlet below the second material-collecting device and is used for preventing the materials in the second material-collecting device from flowing backwards. In the present invention, the type and source of the second air-lock device are the same as those of the air-lock device in the above technical solution, and are not described herein again.
In an embodiment of the invention, a third material collecting device is arranged between the second crushing device and the dust removing device and is used for preventing all impurities generated by the first crushing device and the second crushing device from entering the dust removing device to cause blockage of the dust removing device. In an embodiment of the invention, the inlet of the third material collecting device is connected with the outlet of the second crushing device, and the outlet of the third material collecting device is connected with the inlet of the dust removing device; in other embodiments, the inlet of the third material collecting device is connected with the outlet of the second material collecting device, and the outlet of the third material collecting device is connected with the inlet of the dust removing device. The size and the shape of the third material collecting equipment are not particularly limited, and the practical use requirements can be met. In an embodiment of the invention, the third material collecting device is a collecting hopper.
In an embodiment of the invention, a third air-blocking device is arranged at a lower outlet of the third material-collecting device, and the third air-blocking device can prevent impurities in the third material-collecting device from flowing backwards. In the present invention, the third air-lock device is identical to the air-lock device described in the above technical solution in type and source, and is not described herein again.
In an embodiment of the invention, an impurity analysis device is arranged between the second crushing device and the screening device, and the impurity analysis device is used for analyzing and detecting the content and the type of impurities of the secondarily crushed material in the second crushing device so as to better remove the impurities by adopting a proper dust removal method. In an embodiment of the invention, an inlet of the impurity analyzing device is connected with an outlet of the second crushing device, and an outlet of the impurity analyzing device is connected with an inlet of the screening device; in other embodiments, the inlet of the impurity analyzing device is connected to the outlet of the second pulverizing device, and the outlet of the impurity analyzing device is connected to the inlet of the second collecting device.
Fig. 1 is a schematic structural diagram of a powder production apparatus provided in an embodiment of the present invention, and as shown in fig. 1, the powder production apparatus provided in the embodiment of the present invention includes: a feed inlet 1, a first straw pulverizer 2 with an inlet connected with the outlet of the feed inlet 1, a third pipeline 9 with an inlet connected with the outlet of the first straw pulverizer 2, a first suction fan arranged in the third pipeline, a first collecting hopper 3 with an inlet connected with the outlet of the third pipeline 9, a first air-lock device 10 arranged at the outlet below the first collecting hopper, a second straw pulverizer 4 with an inlet connected with the outlet of the first collecting hopper 3, a second straw pulverizer 5 with a length of crushed material of 1 cm-2 cm, an impurity analyzer 12 with an inlet connected with the outlet of the second straw pulverizer 4, a fourth pipeline with an inlet connected with the outlet of the impurity analyzer 12, a second suction fan 6 arranged in the fourth pipeline, and a second collecting hopper 5 with an inlet connected with the outlet of the fourth pipeline, set up and be in second air trap 11 in second collecting hopper below exit, the import with 5 exit linkage's of second collecting hopper powder shifter 7, the import with 5 exit linkage's of second collecting hopper third collecting hopper 13 sets up the third air trap 14 in third collecting hopper below exit, the import with 13 exit linkage's of third collecting hopper second pipeline, the export of second pipeline and the access connection of sack cleaner 8, the inside electromagnetic vibrator 15 that is provided with of sack cleaner, the import of sack cleaner 8 and another exit linkage of first collecting hopper 3.
Example 1
The powder producing apparatus having the structure shown in fig. 1 comprises:
a feeding hole is arranged on the upper surface of the shell,
the inlet of the straw crusher is connected with the outlet of the feed inlet, and the straw crusher is marked as a first straw crusher;
the inlet of the pipeline is connected with the outlet of the first straw pulverizer, a suction fan is arranged in the pipeline, and the pipeline is marked as a third pipeline;
the inlet of the collecting hopper is connected with the outlet of the third pipeline, and an air-lock valve is arranged at the outlet below the collecting hopper, and the collecting hopper is marked as a first collecting hopper;
the inlet of the straw crusher is connected with the outlet of the first collecting hopper, and the straw crusher is marked as a second straw crusher;
the inlet of the impurity analyzer is connected with the outlet of the second straw pulverizer;
the inlet of the pipeline is connected with the outlet of the impurity analyzer, a suction fan is arranged in the pipeline, and the pipeline is marked as a fourth pipeline;
the inlet of the air collecting hopper is connected with the outlet of the fourth pipeline, an air closing device is arranged at an outlet below the air collecting hopper, and the air collecting hopper is marked as a second air collecting hopper;
the inlet of the powder sieving machine is connected with the outlet of the second aggregate hopper;
the inlet of the collecting hopper is connected with the outlet of the second collecting hopper, and an air-lock device is arranged at the outlet below the collecting hopper and marks the collecting hopper as a third collecting hopper;
and the inlet of the pipeline is connected with the outlet of the third collecting hopper, the pipeline is marked as a second pipeline, the outlet of the second pipeline is connected with the inlet of the dust remover, and the inlet of the dust remover is also connected with the other outlet of the first collecting hopper.
Example 2
The straw powder is prepared by adopting the powder production device in the embodiment 1, and the concrete process is as follows:
the straw is conveyed to a first straw pulverizer from a feed inlet to be primarily pulverized, materials obtained by primary pulverization are pumped into a first collecting hopper through a third pipeline by adopting a suction fan to be stored, impurities of the stored materials in the first collecting hopper are removed by a dust remover through the first pipeline, the materials in the first collecting hopper enter a second straw pulverizer to be secondarily pulverized, the materials obtained after secondary pulverization enter an impurity analyzer to analyze and detect the impurities in the materials, the materials subjected to impurity analysis pass through a fourth pipeline and are pumped into a second collecting hopper through the suction fan to be stored, the impurities of the materials in the second collecting hopper enter the third collecting hopper to be removed by the dust remover, and the materials in the second collecting hopper after impurity removal enter a powder sieving machine to be sieved to obtain straw powder.
The invention provides a powder production device, comprising: a feeding device; the inlet of the first crushing device is connected with the outlet of the feeding device; the inlet of the second crushing device is connected with the outlet of the first crushing device, and the other outlet of the first crushing device is connected with the inlet of the dust removing device; and the inlet of the screening device is connected with the outlet of the second crushing device, and the other outlet of the second crushing device is connected with the inlet of the dust removing device. The powder production device provided by the invention is used for crushing materials through a two-stage crushing system, and meanwhile, the prepared powder is smaller and uniform in granularity and lower in impurity content through the arrangement of the screening equipment and the dust removal equipment. The powder production device provided by the invention is particularly suitable for preparing biomass powder, such as straw powder.
Claims (1)
1. A powder production apparatus comprising:
a feed inlet;
the inlet of the first straw crusher is connected with the outlet of the feed inlet;
a third pipeline with an inlet connected with the outlet of the first straw pulverizer, wherein a first suction fan is arranged in the third pipeline;
the inlet of the first air-lock valve is connected with the outlet of the third pipeline;
the inlet of the second straw crusher is connected with the outlet of the first aggregate hopper;
the inlet of the impurity analyzer is connected with the outlet of the second straw pulverizer;
the inlet of the fourth pipeline is connected with the outlet of the impurity analyzer, and a second suction fan is arranged in the fourth pipeline;
the inlet of the second air collecting hopper is connected with the outlet of the fourth pipeline, and the second air closing device is arranged at the outlet below the second air collecting hopper;
the inlet of the powder sieving machine is connected with the outlet of the second aggregate hopper;
the inlet of the third collecting hopper is connected with the outlet of the second collecting hopper, and the third air-lock valve is arranged at the outlet below the third collecting hopper;
the inlet of the second pipeline is connected with the outlet of the third collecting hopper, and the outlet of the second pipeline is connected with the inlet of the bag-type dust collector;
the bag-type dust collector is internally provided with an electromagnetic vibrator, and an inlet of the bag-type dust collector is connected with the other outlet of the first material collecting hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610764921.4A CN106269163B (en) | 2016-08-29 | 2016-08-29 | Powder production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610764921.4A CN106269163B (en) | 2016-08-29 | 2016-08-29 | Powder production device |
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| CN106269163A CN106269163A (en) | 2017-01-04 |
| CN106269163B true CN106269163B (en) | 2019-12-31 |
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| CN201610764921.4A Active CN106269163B (en) | 2016-08-29 | 2016-08-29 | Powder production device |
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| CN204159418U (en) * | 2014-05-20 | 2015-02-18 | 山东公泉化工股份有限公司 | Reducing mechanism |
| CN205020205U (en) * | 2015-10-09 | 2016-02-10 | 陕西金禾农业科技有限公司 | Straw powder production line |
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| CN206008947U (en) * | 2016-08-29 | 2017-03-15 | 陈拥军 | A kind of powder process units |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101573892B1 (en) * | 2013-11-28 | 2015-12-04 | 해표산업 주식회사 | Continuous crushing device of miscanthus |
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- 2016-08-29 CN CN201610764921.4A patent/CN106269163B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201770904U (en) * | 2010-06-28 | 2011-03-23 | 伍元平 | Wood fiber production device |
| CN102872963A (en) * | 2012-10-25 | 2013-01-16 | 南通新邦化工科技有限公司 | Flaky and lump stearate grinding process and equipment |
| CN204159418U (en) * | 2014-05-20 | 2015-02-18 | 山东公泉化工股份有限公司 | Reducing mechanism |
| CN205020205U (en) * | 2015-10-09 | 2016-02-10 | 陕西金禾农业科技有限公司 | Straw powder production line |
| CN205462410U (en) * | 2016-01-28 | 2016-08-17 | 大唐环境产业集团股份有限公司 | Garrulous all -in -one equipment of dustless sieve |
| CN206008947U (en) * | 2016-08-29 | 2017-03-15 | 陈拥军 | A kind of powder process units |
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Effective date of registration: 20220726 Address after: 641000 No. 18, group 11, Tiantai village, Fengming Town, Shizhong District, Neijiang City, Sichuan Province Patentee after: Zhang Xiangui Address before: 523000 Guantai Avenue 166, Nancheng District, Dongguan City, Guangdong Province, is called room 712, building 1, holiday Huaxia Patentee before: Chen Yongjun |
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