CN213287684U - Grading adjusting mechanism with adjustable dust particle size - Google Patents
Grading adjusting mechanism with adjustable dust particle size Download PDFInfo
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- CN213287684U CN213287684U CN202021886955.9U CN202021886955U CN213287684U CN 213287684 U CN213287684 U CN 213287684U CN 202021886955 U CN202021886955 U CN 202021886955U CN 213287684 U CN213287684 U CN 213287684U
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Abstract
A grading adjusting mechanism with adjustable dust particle size comprises a static powder selecting device and a dynamic powder selecting device, wherein an air inlet and an air outlet are respectively arranged on the static powder selecting device and the dynamic powder selecting device; the upper end and the lower end of the static powder selecting device are respectively provided with a feeding hole and a first discharging hole, the dynamic powder selecting device is provided with a feeding channel communicated with the first discharging hole, the feeding channel is provided with a material returning control valve, and the feeding channel is also provided with a second discharging hole; the utility model has the advantages that: the adjustable wind shield in the static powder concentrator can reduce the power of a fan, reduce the cost, play the roles of saving energy and reducing consumption, increase the selection effect of wind power and provide various choices; the dynamic powder concentrator can adjust the powder content in the finished sand and well control the fineness modulus so as to meet the requirement of controlling the component content of the manufactured sand.
Description
Technical Field
The utility model relates to a grit aggregate production technical field, in particular to guiding mechanism is joined in marriage to dust particle size adjustable level.
Background
At the present stage, large-scale infrastructure construction in China consumes a large amount of natural resources, high-quality river sand resources are less and less, river channel ecology is seriously damaged due to excessive unordered excavation, measures and regulations for river channel sand collection are stricter and stricter in China, and the river sand utilization route is narrower and narrower, so that sand production is rapidly becoming a main sand source of building sand, sand production is sand separation through air separation, the existing air separation and de-powdering machine can only realize three separation, namely, coarse sand, fine sand and powder are separated, the content of powder cannot be controlled by the air separation machine, the gradation of machine-made sand cannot be adjusted, the artificial sand has good gradation, the gradation of the artificial sand must be adjusted by the pulverizer, the investment of equipment is increased, and the production cost is also increased.
Therefore, a grading adjustment mechanism with adjustable dust particle size is needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a grading adjustment mechanism with adjustable dust particle size, which effectively solves the above problems.
The technical proposal for solving the problem is that the utility model comprises a static powder selecting device and a dynamic powder selecting device, wherein the static powder selecting device and the dynamic powder selecting device are respectively provided with an air inlet and an air outlet;
the upper end and the lower end of the static powder selecting device are respectively provided with a feeding hole and a first discharging hole, the dynamic powder selecting device is provided with a feeding channel communicated with the first discharging hole, the feeding channel is provided with a material returning control valve, and the feeding channel is also provided with a second discharging hole;
the static powder selecting device comprises a static powder selecting chamber, a plurality of turning plates are uniformly distributed in the static powder selecting chamber, a plurality of wind shields arranged in rows are arranged at air inlets in the static powder selecting chamber, the wind shields are rotatably installed in the static powder selecting chamber, and an adjusting knob for adjusting the rotating angle of the wind shields is further arranged on the static powder selecting chamber.
The utility model has the advantages that: the utility model has novel structure and ingenious conception, the adjustable wind shield in the static powder concentrator can reduce the power of the fan, reduce the cost, play the role of energy conservation and consumption reduction, increase the selection effect of wind power and provide multiple choices; the dynamic powder concentrator can adjust the powder content in the finished sand and well control the fineness modulus so as to meet the requirement of controlling the component content of the manufactured sand.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Example (b):
as shown in fig. 1, the utility model comprises a static powder selecting device and a dynamic powder selecting device, wherein the static powder selecting device and the dynamic powder selecting device are respectively provided with an air inlet 5 and an air outlet 6;
the upper end and the lower end of the static powder selecting device are respectively provided with a feeding hole 11 and a first discharging hole 12, coarse sand formed after screening by the static powder selecting device can be discharged through the first discharging hole 12, the dynamic powder selecting device is provided with a feeding channel 13 communicated with the first discharging hole 12, fine sand formed after screening by the dynamic powder selecting device can be fed into the first discharging hole to be discharged together with the coarse sand, the feeding channel 13 is provided with a material returning control valve 14, the feeding channel 13 is also provided with a second discharging hole 15 at the upper side of the material returning control valve 14, the feeding speed of the fine sand flowing to the first discharging hole 12 can be adjusted by adjusting the material returning control valve 14, the proportion of the coarse sand and the fine sand in the finished sand discharged from the first discharging hole 12 can be sequentially adjusted, the redundant fine sand is discharged through the second discharging hole 15, in addition, after the material returning control valve 14 is completely closed, the fine sand formed after screening by the dynamic powder selecting device can be discharged only through the second discharging hole 15, forming relatively pure fine sand;
the static powder selecting device comprises a static powder selecting chamber 17, a plurality of turning plates 18 are uniformly distributed in the static powder selecting chamber 17, the turning plates 18 can blow machine-made sand fed through a feed port 11 to impact on the turning plates 18, so that the machine-made sand is scattered, powder and fine sand in the machine-made sand are fed into the dynamic powder selecting device through wind speed, a plurality of wind shields 19 which are arranged in a row are arranged at the air inlet 5 in the static powder selecting chamber 17, the wind shields 19 are rotatably arranged in the static powder selecting chamber 17, an adjusting knob for adjusting the rotation angle of the wind shields 19 is further arranged on the static powder selecting chamber 17, and the direction of wind entering the static powder selecting chamber 17 and the wind speed blowing to the dynamic powder selecting device are adjusted through adjusting the angle of the wind shields 19, so that the device can adjustably screen coarse sand with various particle sizes.
The dynamic powder selecting device comprises a dynamic powder selecting chamber 20 hermetically connected with the right side of a static powder selecting chamber 17, a powder selecting impeller is rotatably installed in the dynamic powder selecting chamber 20, an air outlet 6 is arranged in the powder selecting impeller, the powder selecting impeller rotates clockwise, the lower side of the powder selecting impeller is in clearance connection with the dynamic powder selecting chamber 20, so that air cannot easily penetrate through the lower side of the powder selecting impeller, machine-made sand entering the dynamic powder selecting chamber 20 is beaten on the rotating powder selecting impeller, part of powder can enter the powder selecting impeller and is discharged through the air outlet 6 and then collected, the right side of the dynamic powder selecting chamber 20 is of an arc structure concentric with the powder selecting impeller, one end of a feeding channel 13 is communicated with the lower end of the arc structure of the dynamic powder selecting chamber 20, the other end of the feeding channel 13 is communicated with the lower end of the static powder selecting chamber 17, and the rest of the screened machine-made sand is beaten on the arc side wall on the right side of the dynamic powder selecting chamber 20 along, and slides down the feed channel 13.
The powder selecting impeller comprises a wheel shaft 22 and wheel hubs arranged at the front end and the rear end of the wheel shaft 22, a plurality of annular fins 23 are arranged on the wheel hubs, a cavity is formed between the fins 23 and the wheel shaft 22, a powder selecting opening 24 is formed between the fins 23, a plurality of cross channels 25 are further arranged on the wheel shaft 22, the number of the channels is not fixed by the cross channels 25, the cross channels can be star-shaped channels, pentagram-shaped channels and the like, an air outlet 6 is communicated with the center of the cross channels 25, and powder with small particle size passes through the powder selecting opening 24, enters the cavity, passes through the cross channels 25 through wind power and is sent out through the air outlet 6.
The utility model discloses when using, the raw materials that the particle size is less than 5mm gets into static selection powder room 17, break up the mechanism sand, the part particle size wherein is 0.075-0.15 mm's fine sand and the powder that the particle size is less than 0.075mm through the wind speed and bring into dynamic selection powder room 20, wherein lose the raw materials formation coarse sand of most fine sand and powder and discharge through first discharge gate 12, then collect after the rotation through the impeller is discharged the powder in the mechanism sand through dynamic selection powder room 20, and the fine sand of selecting can get into the gradation regulation of mechanism sand in the finished product material through the return pipe, perhaps discharge through the second bin outlet and form finished product fine sand, the powder carries out the 0.075mm powder separation in the secondary separation with the powder through air separation room 2 at last.
The utility model has the advantages that: the utility model has novel structure and ingenious conception, the adjustable wind shield in the static powder concentrator can reduce the power of the fan, reduce the cost, play the role of energy conservation and consumption reduction, increase the selection effect of wind power and provide multiple choices; the dynamic powder concentrator can adjust the powder content in the finished sand and well control the fineness modulus so as to meet the requirement of controlling the component content of the manufactured sand.
The foregoing detailed description/examples are specific embodiments of the present invention, and are intended to be illustrative of the principles of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (3)
1. A grading adjusting mechanism with adjustable dust particle size comprises a static powder selecting device and a dynamic powder selecting device, and is characterized in that the static powder selecting device and the dynamic powder selecting device are respectively provided with an air inlet (5) and an air outlet (6); the upper end and the lower end of the static powder selecting device are respectively provided with a feeding hole (11) and a first discharging hole (12), the dynamic powder selecting device is provided with a feeding channel (13) communicated with the first discharging hole (12), the feeding channel (13) is provided with a material returning control valve (14), and the feeding channel (13) is also provided with a second discharging hole (15); the static powder selecting device comprises a static powder selecting chamber (17), a plurality of turning plates (18) are uniformly distributed in the static powder selecting chamber (17), a plurality of wind shields (19) which are arranged in a row are arranged at the air inlet (5) in the static powder selecting chamber (17), the wind shields (19) are rotatably installed in the static powder selecting chamber (17), and an adjusting knob for adjusting the rotating angle of the wind shields (19) is further arranged on the static powder selecting chamber (17).
2. The grading adjustment mechanism for the dust particle size, according to claim 1, is characterized in that the dynamic powder selecting device comprises a dynamic powder selecting chamber (20) hermetically connected with a static powder selecting chamber (17), a powder selecting impeller is rotatably mounted in the dynamic powder selecting chamber (20), an air outlet (6) is arranged in the powder selecting impeller, the right side of the dynamic powder selecting chamber (20) is of an arc-shaped structure, one end of a feeding channel (13) is communicated with the lower end of the arc-shaped structure of the dynamic powder selecting chamber (20), and the other end of the feeding channel (13) is communicated with the lower end of the static powder selecting chamber (17).
3. The grading adjustment mechanism for adjusting the particle size of dust according to claim 2, wherein the powder selecting impeller comprises an axle (22) and hubs mounted at the front and rear ends of the axle (22), a plurality of annular fins (23) are mounted on the hubs, a powder selecting opening (24) is formed between the fins (23), a plurality of cross channels (25) are further arranged on the axle (22), and the air outlet (6) is communicated with the centers of the cross channels (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021886955.9U CN213287684U (en) | 2020-09-02 | 2020-09-02 | Grading adjusting mechanism with adjustable dust particle size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021886955.9U CN213287684U (en) | 2020-09-02 | 2020-09-02 | Grading adjusting mechanism with adjustable dust particle size |
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| Publication Number | Publication Date |
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| CN213287684U true CN213287684U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021886955.9U Active CN213287684U (en) | 2020-09-02 | 2020-09-02 | Grading adjusting mechanism with adjustable dust particle size |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505042A (en) * | 2024-01-05 | 2024-02-06 | 三一重型装备有限公司 | Mechanism sand parameter adjustment method, system, electronic equipment and storage medium |
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2020
- 2020-09-02 CN CN202021886955.9U patent/CN213287684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505042A (en) * | 2024-01-05 | 2024-02-06 | 三一重型装备有限公司 | Mechanism sand parameter adjustment method, system, electronic equipment and storage medium |
| CN117505042B (en) * | 2024-01-05 | 2024-03-29 | 三一重型装备有限公司 | Mechanism sand parameter adjustment method, system, electronic equipment and storage medium |
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