CN211216842U - High-fineness powder selecting and crushing system - Google Patents
High-fineness powder selecting and crushing system Download PDFInfo
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- CN211216842U CN211216842U CN201921664873.7U CN201921664873U CN211216842U CN 211216842 U CN211216842 U CN 211216842U CN 201921664873 U CN201921664873 U CN 201921664873U CN 211216842 U CN211216842 U CN 211216842U
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Abstract
The utility model discloses a high-fineness powder selecting and crushing system, which comprises a roller crusher, wherein the roller crusher comprises a casing, the top of the casing is provided with a feed opening, the bottom of the casing is provided with a discharge opening, at least six crushing rollers are installed in the casing, at least three crushing cavities are arranged between the six crushing rollers, the discharge opening is connected with a powder selecting and conveying device, the discharge end of the powder selecting and conveying device is connected with the feed opening of a powder selecting machine, the powder selecting machine comprises a coarse powder outlet and a fine powder outlet, and the coarse powder outlet is connected with the feed opening through the coarse powder conveying device; the method comprises the following steps of feeding materials to be crushed into a roller type crusher from a feeding port, crushing the materials into powder under the rolling action of a crushing roller, conveying the powder into a powder selecting machine through a powder selecting and conveying device for screening, conveying unqualified coarse powder to the feeding port through a coarse powder conveying device, grinding the coarse powder again until the requirements are met, outputting qualified materials from the feeding port to a fine powder outlet, processing the materials in one step to obtain qualified fine powder materials with uniform granularity, forming closed-loop continuous operation, and meeting production requirements.
Description
Technical Field
The utility model relates to a breaker technical field especially relates to a system is smashed in high fineness selection powder.
Background
At present, in the fields of building materials, metallurgy, mines, chemical industry, food and the like, a grinder is often used for grinding materials, and a ball mill, a hammer crusher, a roller crusher and the like are common, but the devices have simple and crude main machine structures and poor grinding effects, the ground materials are not only coarse but also have uneven particle sizes, uniform high-fineness products are difficult to obtain through one-time processing, at present, a multi-roller crusher for producing high-fineness powder is also available, for example, the roller crusher with the application number of '2013204802820', the grinding times are multiple, the working efficiency is high, but the processed products are still difficult to achieve even fineness and cannot meet the production requirements.
Disclosure of Invention
The utility model aims to solve the technical problem that a high fineness selection powder crushing system that can obtain the even powder of high fineness and particle diameter through one-time processing is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: high fineness selection powder crushing system, including the roller crusher, the roller crusher includes the casing, the top of casing is equipped with the dog-house, the bottom of casing is equipped with the discharge gate, install six crushing rollers at least in the casing, six be equipped with three broken chamber between the crushing roller at least, the discharge gate is connected with selection powder conveyor, selection powder conveyor's discharge end connects the feed inlet of selection powder machine, the selection powder machine includes middlings export and fine powder export, the middlings export is passed through middlings conveyor and is connected the dog-house.
According to a preferable technical scheme, the powder concentrator is a centrifugal powder concentrator, an air outlet of the centrifugal powder concentrator is communicated with a dust removal device, and an air inlet of the centrifugal powder concentrator is communicated with an air blowing device.
According to a preferable technical scheme, the dust removal device is a bag-type dust remover, and the air blowing device is an air blower.
As a preferable technical scheme, the powder selecting and conveying device and the coarse powder conveying device are screw conveyors.
As a preferred solution, said roller crusher comprises six said crushing rollers and five said crushing chambers.
As a preferred technical solution, the roller crusher includes three sets of crushing rollers arranged in sequence from top to bottom, each set of crushing roller includes two crushing rollers with opposite rotation directions and same crushing teeth, and the crushing teeth and the crushing cavities of the three sets of crushing rollers decrease in sequence from top to bottom.
Preferably, a gap adjusting device is provided between each of the crushing roller and the housing.
By adopting the technical scheme, the high-fineness powder selecting and crushing system comprises a roller crusher, wherein the roller crusher comprises a shell, the top of the shell is provided with a feed opening, the bottom of the shell is provided with a discharge opening, at least six crushing rollers are installed in the shell, at least three crushing cavities are arranged among the six crushing rollers, the discharge opening is connected with a powder selecting and conveying device, the discharge end of the powder selecting and conveying device is connected with the feed opening of a powder selecting machine, the powder selecting machine comprises a coarse powder outlet and a fine powder outlet, and the coarse powder outlet is connected with the feed opening through the coarse powder conveying device; the utility model has the advantages that: treat kibbling material follow the dog-house gets into roller crusher, then the crushing roller rolls down and breaks into the powder, and powder this moment is because the thickness is uneven, can not satisfy the user demand, consequently passes through select powder conveyor to carry to screen in the selection powder machine, pass through qualified farine the farine export is collected, passes through unqualified middline conveyor carries the dog-house gets into again roller crusher grinds, so circulation, and all reach the requirement until the powder, consequently pass through the utility model discloses, the raw materials is followed after the dog-house drops into, follows the direct output material that qualifies of farine export, has realized that one-step processing obtains even and qualified farine material of granularity promptly, forms closed loop continuous operation, satisfies the demand of production.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: 1-a machine shell; 2-a feeding port; 3-discharging port; 4-a crushing roller; 5-a crushing cavity; 6-selecting powder conveying device; 7-a feed inlet; 8-coarse powder outlet; 9-fine powder outlet; 10-coarse powder conveying device; 11-powder selecting machine; 12-bag dust collector; 13-blower.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and 2, the high-fineness powder selecting and pulverizing system comprises a roller crusher, the roller crusher comprises a casing 1, a feeding port 2 is arranged at the top of the casing 1, a discharging port 3 is arranged at the bottom of the casing 1, at least six crushing rollers 4 are installed in the casing 1, at least three crushing cavities 5 are arranged between the six crushing rollers 4, the discharging port 3 is connected with a powder selecting and conveying device 6, the discharging end of the powder selecting and conveying device 6 is connected with a feeding port 7 of a powder selecting machine 11, the powder selecting machine 11 comprises a coarse powder outlet 8 and a fine powder outlet 9, and the coarse powder outlet 8 is connected with the feeding port 2 through a coarse powder conveying device 10; the material to be crushed enters the roller crusher from the feeding port 2 and is crushed into powder by the crushing rollers 4, the roller crusher selects more than six crushing rollers 4 to ensure the crushing quality and achieve the purpose of fine crushing, as the more times of crushing the material are, the more thorough the crushing is, the more the material is crushed, the more the technical personnel can select the roller crusher with a plurality of rollers, although the material is crushed for a plurality of times, the powder is still uneven in thickness and cannot meet the use requirement, so the requirement can be met by the screening of the powder selector 11, the material ground by the roller crusher is conveyed to the powder selector 11 by the powder selector conveyor 6 for screening, the qualified fine powder is collected by the fine powder outlet 9, and the unqualified coarse powder is conveyed to the feeding port 2 of the roller crusher again by the coarse powder conveyor 10, get into once more the roller crusher grinds, so circulates, and all reach the requirement until the powder, consequently pass through the utility model discloses, the raw materials is followed dog-house 2 drops into the back, follows the qualified material of 9 direct outputs of fine powder export has realized that one step of processing obtains even and qualified fine powder material of granularity promptly, forms closed cycle continuity of operation, satisfies the demand of production.
The first embodiment is as follows:
as shown in fig. 1, the roller crusher comprises six crushing rollers 4 and five crushing chambers 5. The roller crusher is a six-roller five-crushing roller crusher, and the specific structure and the working mode can refer to the roller crusher with the application number of 2013204802820. Of course, other roller crushers may be used, not listed here.
As shown in fig. 1, the powder concentrator 11 is a centrifugal powder concentrator, an air outlet of the centrifugal powder concentrator is communicated with a dust removal device, and an air inlet of the centrifugal powder concentrator is communicated with an air blowing device. The dust removal device is a bag-type dust remover 12, and the air blowing device is an air blower 13. The powder selecting and conveying device 6 and the coarse powder conveying device 10 are screw conveyors.
The powder selecting machine 11 is an important component of a closed-loop circulating grinding system. The function is as follows: the qualified fine powder ground to a certain granularity is selected in time, the coarse powder is returned again for regrinding, the buffering effect caused by the over-grinding of the fine powder in the mill and the adhesion of a grinding body is prevented, and the grinding efficiency of the mill is improved; the granularity composition of the finished product can be adjusted, uneven thickness is prevented, and the quality of the finished product is ensured.
The powder concentrator 11 is made in the prior art, and can be generally divided into the following categories according to the working principle: the first embodiment takes a centrifugal powder concentrator as an example for description, a material to be screened enters the powder concentrator 11 from the feed port 7, then enters a rotating part of the powder concentrator 11 through guide blades of the powder concentrator 11, and the guide blades ensure that the material passing through the whole height of the rotation of the powder concentrator 11 is uniformly distributed (namely, the particle sizes are similar). At the same time, the blower 13 blows air into the powder concentrator 11 from the air inlet, so that the material-air mixture rotates together to perform effective pre-separation. The finished fine powder is then discharged through the fine powder outlet 9, a part of the exhaust gas enters the bag-type dust collector 12 from the exhaust gas outlet, the coarse powder hits the rotating blades, enters the guide blades, falls into the coarse powder outlet 8 of the conical part below the rotating part, and is then conveyed to the feed opening 2 of the roller crusher through the coarse powder conveying device 10 for regrinding.
As shown in fig. 1, gap adjusting devices are respectively provided between the crushing rolls 4 and the casing 1. The gap adjusting device is used for adjusting the distance between the two crushing rollers 4, so as to adjust the grinding particle size of the powder, and refer to the gap adjusting device in the roller crusher with the application number of 2013204802820.
Example two:
on the basis of the first embodiment, as shown in fig. 2, the roller crusher comprises three groups of crushing rollers 4 which are arranged in sequence from top to bottom, each group of crushing rollers 4 comprises two crushing rollers 4 with opposite rotation directions and crushing teeth with the same size, and the crushing teeth and the crushing cavities 5 of the three groups of crushing rollers 4 from top to bottom are reduced in sequence. In this embodiment two, except that the roller crusher is replaced by six-roller three-crushing, in the first reference embodiment, three groups of the crushing rollers 4 in this embodiment are respectively used for crushing materials with different particle sizes, the crushing teeth of the first uppermost group of the crushing rollers 4 are the largest, the distance between the two rollers is also the largest, and the crushing teeth are suitable for crushing the initial material, then the crushing teeth of the second group of the crushing rollers 4 are smaller than the crushing teeth of the first group, the distance between the two rollers is also smaller than the distance between the two rollers of the first group of the crushing rollers 4, and the crushing teeth of the third group of the crushing rollers 4 are the smallest, the distance between the two crushing rollers 4 is also the smallest, and the material after the crushing is suitable for the final crushing, and is conveyed into the feed inlet 7 of the powder selector 11.
Of course, in addition to the second embodiment, a plurality of sets of the crushing rollers 4 may be selected, as long as each set of the crushing rollers 4 sequentially crush the finer materials, and the last set of the crushing rollers 4 may also select the crushing roller 4 without crushing teeth for grinding the finer materials.
In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. High fineness selection powder crushing system, including the roller crusher, the roller crusher includes the casing, the top of casing is equipped with the dog-house, the bottom of casing is equipped with discharge gate, its characterized in that: at least six crushing rollers are installed in the shell, at least three crushing cavities are formed among the six crushing rollers, the discharge port is connected with a powder selecting and conveying device, the discharge end of the powder selecting and conveying device is connected with the feed port of a powder selecting machine, the powder selecting machine comprises a coarse powder outlet and a fine powder outlet, and the coarse powder outlet is connected with the feed port through the coarse powder conveying device.
2. The high fineness selection mill pulverizing system of claim 1, characterized in that: the powder concentrator is a centrifugal powder concentrator, an air outlet of the centrifugal powder concentrator is communicated with a dust removal device, and an air inlet of the centrifugal powder concentrator is communicated with an air blowing device.
3. The high fineness selection mill pulverizing system of claim 2, characterized in that: the dust removal device is a bag-type dust remover, and the air blowing device is an air blower.
4. The high fineness selection mill pulverizing system of claim 1, characterized in that: the powder selecting and conveying device and the coarse powder conveying device are screw conveyors.
5. The high fineness selection mill pulverizing system of claim 1, characterized in that: the roller crusher comprises six crushing rollers and five crushing chambers.
6. The high fineness selection mill pulverizing system of claim 1, characterized in that: the roller crusher comprises three groups of crushing rollers which are sequentially arranged from top to bottom, each group of crushing rollers comprises two crushing rollers with opposite turning directions and same crushing teeth, and the crushing teeth and the crushing cavities of the three groups of crushing rollers from top to bottom are sequentially reduced.
7. The high fineness selection mill system of claim 5 or 6, characterized in that: and gap adjusting devices are respectively arranged between the crushing roller and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664873.7U CN211216842U (en) | 2019-09-30 | 2019-09-30 | High-fineness powder selecting and crushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664873.7U CN211216842U (en) | 2019-09-30 | 2019-09-30 | High-fineness powder selecting and crushing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211216842U true CN211216842U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921664873.7U Active CN211216842U (en) | 2019-09-30 | 2019-09-30 | High-fineness powder selecting and crushing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211216842U (en) |
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2019
- 2019-09-30 CN CN201921664873.7U patent/CN211216842U/en active Active
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