CN213134027U - Mechanism sand fine powder separator - Google Patents
Mechanism sand fine powder separator Download PDFInfo
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- CN213134027U CN213134027U CN202021435428.6U CN202021435428U CN213134027U CN 213134027 U CN213134027 U CN 213134027U CN 202021435428 U CN202021435428 U CN 202021435428U CN 213134027 U CN213134027 U CN 213134027U
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Abstract
The utility model relates to a mechanism sand equipment technical field, in particular to mechanism sand farine separator, including casing, powder inlet pipe, bulk material awl, rotary classifier, secondary air mechanism, the powder inlet pipe sends into the powder through high-pressure draught, and the mouth of pipe top of powder inlet pipe is located to the bulk material awl, and rotary classifier acts on bulk material awl top and is located the export below of farine, and secondary air mechanism includes air intake, equal wind chamber, air outlet, and the air outlet is equipped with a plurality of, and each air outlet is around arranging around shells inner wall and inside towards the casing, the air intake sends into high-pressure gas and sees off from the air outlet towards equal wind intracavity. The secondary air inlet mechanism is arranged, so that the powder undergoes multiple cycles, and the separation effect on coarse powder and fine powder is better; the rotating speed of a servo motor of the rotary classifier is adjustable, and the vertical height position of the bulk cone is adjustable, so that the equipment can adjust the grading particle size of coarse and fine powder, and the product quality is further improved.
Description
Technical Field
The utility model relates to a mechanism sand equipment technical field, in particular to mechanism sand fine powder separator.
Background
With the development of economy and the demand of engineering construction, the sand consumption of commercial concrete is larger and larger. Because the traditional river sand resource is nearly exhausted, the machine-made sand gradually becomes a main acquisition mode of the sand. The manufactured sand is obtained by performing multiple crusher dispersion on stone materials, and because the manufactured sand contains mud powder and fine powder generated in the crushing process, the granularity of the part of the material is too small, the part of the material does not meet the use requirement, and the part of the material needs to be removed; in the existing sand making process, an air sieve is usually adopted for screening the fine sand, but because the screening precision of the air sieve is limited, the fine sand is also screened out together with mud powder and fine powder, so that the fineness modulus of the produced finished sand is higher, and the content of the stone powder is lower.
SUMMERY OF THE UTILITY MODEL
For overcoming the deficiencies in the prior art, the utility model provides a fine and thick powder separation is effectual, mechanism sand farine separator that product quality is high.
In order to achieve the above object, the utility model adopts the following technical scheme: a machine-made sand fine powder separation device is characterized in that: comprises that
The top of the shell is provided with a fine powder outlet, and the bottom of the shell is provided with a coarse powder outlet;
the powder feeding pipe extends into the shell from the outside of the shell, the pipe orifice of the powder feeding pipe is positioned on the axial line of the shell and is arranged upwards, and the powder feeding pipe feeds powder through high-pressure airflow;
the bulk cone is arranged above the pipe orifice of the powder feeding pipe, the tip end of the bulk cone faces the direction of the pipe orifice of the powder feeding pipe, and the bulk cone diffuses powder fed by the powder feeding pipe outwards;
the rotary classifier acts on the upper part of the bulk cone and is positioned below the fine powder outlet, fine powder can pass through the rotary classifier and then is sent out from the fine powder outlet, and the powder which does not pass through is diffused outwards to the inner wall of the shell under the action of centrifugal force and falls under the action of gravity;
the secondary air inlet mechanism comprises an air inlet, an air equalizing cavity and an air outlet, wherein the air outlet is provided with a plurality of air outlets, each air outlet surrounds the inner wall of the shell and is arranged towards the inside of the shell, the air inlet sends high-pressure air into the air equalizing cavity and sends the air out of the air outlet, coarse powder can fall to a coarse powder outlet through the secondary air inlet mechanism and is sent out, and fine powder is blown to the direction of the powder feeding pipe and is conveyed upwards again.
Further, the air equalizing cavity is of an annular structure and is arranged outside the shell in a surrounding mode.
Furthermore, each air outlet is obliquely arranged towards the inside of the shell at the same angle, so that high-pressure air entering the shell forms a swirling air flow.
Further, the casing is including last section of thick bamboo, changeover portion, the lower section of thick bamboo that from top to bottom arranges, the diameter of going up the section of thick bamboo is greater than the section of thick bamboo down, the changeover portion forms the throat structure from top to bottom and connects section of thick bamboo and lower section of thick bamboo, rotatory classifier arranges in last section of thick bamboo, the bulk material awl is arranged in the changeover portion, secondary air inlet mechanism arranges in the section of thick bamboo down.
Furthermore, the rotary classifier comprises a main shaft, a supporting circular plate and a plurality of classifying plates, wherein the supporting circular plate is arranged on the main shaft and rotates along with the main shaft, the classifying plates are arranged on the supporting circular plate and extend outwards, and the classifying plates are arranged in a rotary array relative to the main shaft.
Furthermore, two supporting circular plates are arranged, and the two supporting circular plates are arranged on the main shaft at intervals up and down.
Furthermore, the rotary classifier further comprises a servo motor and a transmission assembly, the servo motor is arranged outside the shell, the spindle extends into the shell from the outside of the shell, and the servo motor drives the spindle to rotate through the transmission assembly.
The material scattering cone is arranged on the built-in support through the adjuster and can be adjusted in position along the vertical direction.
Further, still include former feed bin, screw conveyer, the powder is sent into in the powder feed tube towards the screw conveyer in former feed bin.
The device further comprises a dust remover, and the dust remover is connected with the fine powder outlet to screen out fine powder.
From the above description of the utility model, compared with the prior art, the mechanism for separating the sand and the fine powder provided by the utility model is provided with the secondary air inlet mechanism, so that the powder undergoes multiple cycles, and the separation effect of the coarse powder and the fine powder is better; the rotating speed of a servo motor of the rotary classifier is adjustable, and the vertical height position of the bulk cone is adjustable, so that the equipment can adjust the grading particle size of coarse and fine powder, and the product quality is further improved.
Drawings
Fig. 1 is a schematic structural diagram of the housing and its internal components of the present invention.
Fig. 2 is a partial schematic view of a rotary classifier according to the present invention.
Fig. 3 is a partial schematic view of the rotary classifier of the present invention.
Fig. 4 is the structural schematic diagram of the secondary air intake mechanism of the utility model.
Fig. 5 is the utility model relates to a mechanism sand fine powder separator schematic structure.
The labels in the figure correspond to the following: 1. the device comprises a raw material bin, 2. a screw conveyor, 3. a shell, 31. a fine powder outlet, 32. a coarse powder outlet, 33. an upper cylinder section, 34. a transition section, 35. a lower cylinder section, 4. a powder feeding pipe, 5. a built-in support, 51. a regulator, 6. a bulk cone, 7. a rotary classifier, 71. a servo motor, 72. a transmission assembly, 73. a main shaft, 74. a supporting circular plate, 75. a classification plate, 8. a secondary air inlet mechanism, 81. an air inlet, 82. an air equalizing cavity, 83. an air outlet and 9. a dust remover.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 to 5, a machine-made sand fine powder separation device is characterized in that: comprises a raw material bin 1, a screw conveyer 2, a shell 3, a powder feeding pipe 4, a built-in support 5, a bulk material cone 6, a rotary classifier 7, a secondary air inlet mechanism 8 and a dust remover 9.
The top of the shell 3 is provided with a fine powder outlet 31, and the bottom is provided with a coarse powder outlet 32; the shell 3 comprises an upper cylinder section 33, a transition section 34 and a lower cylinder section 35 which are arranged from top to bottom, the diameter of the upper cylinder section 33 is larger than that of the lower cylinder section 35, and the transition section 34 forms a necking structure from top to bottom and connects the upper cylinder section 33 and the lower cylinder section 35; the dust remover 9 is connected with a fine powder outlet 31 to sieve out fine powder;
the powder feeding pipe 4 extends into the shell 3 from the outside of the shell 3, the pipe orifice of the powder feeding pipe 4 is positioned on the axial line of the shell 3 and is arranged upwards, the raw material bin 1 feeds powder into the powder feeding pipe 4 through the screw conveyer 2, and the powder feeding pipe 4 feeds the powder through high-pressure airflow;
the bulk material cone 6 is arranged at the transition section 34, the bulk material cone 6 is arranged above the pipe orifice of the powder material feeding pipe 4, the tip end of the bulk material cone 6 faces the direction of the pipe orifice of the powder material feeding pipe 4, and the bulk material cone 6 diffuses powder materials fed by the powder material feeding pipe 4 outwards; the built-in support 5 is arranged in the shell 3, the adjuster 51 is arranged on the built-in support 5, and the bulk material cone 6 is arranged on the built-in support 5 through the adjuster 51 and can be adjusted in position along the vertical direction;
the rotary classifier 7 is arranged on the upper cylinder section 33, the rotary classifier 7 comprises a servo motor 71, a transmission assembly 72 and a main shaft 73, the fine powder classifying device comprises a supporting circular plate 74 and a plurality of classifying plates 75, wherein the supporting circular plate 74 is arranged on a main shaft and rotates along with the main shaft 73, the classifying plates 75 are arranged on the supporting circular plate 74 and extend outwards, each classifying plate 75 is arranged in a rotating array relative to the main shaft 73, two supporting circular plates 74 are arranged on the main shaft 73 at intervals up and down, a servo motor 71 is arranged outside a shell 3, the main shaft 73 extends into the shell 3 from the outer side of the shell 3, the servo motor 71 drives the main shaft 73 to rotate through a transmission assembly 72, a rotary classifier 7 acts on the upper portion of a bulk cone and is positioned below a fine powder outlet, fine powder can pass through the rotary classifier 7 and then is sent out from the fine powder outlet 31, and powder which does not pass through is diffused outwards to the inner wall of the shell 3 under the action;
secondary air inlet mechanism 8 arranges in lower bobbin section 35, including air intake 81, the even wind chamber 82, air outlet 83, even wind chamber 82 has the loop configuration, even wind chamber 82 encircles and arranges in the casing 3 outside, air intake 81 and air outlet 83 communicate with even wind chamber 82 respectively, air outlet 83 is equipped with a plurality of, each air outlet 83 encircles around the casing 3 inner wall and arranges and towards the casing 3 inside, air intake 81 sends into high-pressure gas and sends out from air outlet 83 towards even wind chamber 82 in, each air outlet 83 is arranged towards the same angle slope in the casing 3, the high-pressure gas that makes entering casing 3 forms the whirlwind air current, the middlings can pass secondary air inlet mechanism 8 whereabouts and send out to middlings export 32, the fines is blown to powder inlet pipe 4 direction and upwards transport once more.
The machine-made sand fine powder separation device has the following working principle:
powder after being screened by an air screen is stored in the raw material bin 1, the powder is sent into a powder feeding pipe 4 by a screw conveyer 2, high-pressure air is introduced into the powder feeding pipe 4, and the powder is sent into the shell 3 by the high-pressure air; the opening of the powder feeding pipe 4 faces the bulk cone 6, so that the powder is upwards sent out and collides with the bulk cone 6 and then diffuses outwards, and the diffused powder is continuously conveyed upwards; when the powder reaches the rotary classifier 7, the fine powder with smaller particles can easily pass through the rotary classifier 7, while the coarse powder with larger particles can be influenced by the rotary classifying plate 75 and move towards the inner wall of the shell 3 under the action of centrifugal force, the upward wind power fed to the inner wall of the shell 3 close to the powder feeding pipe 4 is smaller than the wind power at the central axis, and the diameter of the upper cylinder section 33 of the shell 3 is larger than that of the lower cylinder section 35, so the powder which does not pass through falls down along the inner wall of the shell under the action of gravity; when the powder falls to the secondary air inlet mechanism 8, the coarse powder can pass through the action position of the secondary air inlet mechanism 8 to continuously fall due to the heavy weight of the coarse powder, and finally is sent out from the coarse powder outlet 32, and the fine powder moves towards the powder feeding pipe 4 under the wind power of the air outlet 83 and is conveyed upwards again to go through the process once again.
Due to the arrangement of the secondary air inlet mechanism 8, the machine-made sand fine powder separation device is good in separation effect, the fine powder outlet is connected to the dust remover 9, and the dust remover 9 separates air and powder to produce fine powder.
If the classification granularity of the coarse powder and the fine powder needs to be adjusted, the rotating speed of a servo motor 71 of the rotary classifier 7 can be adjusted, or the vertical height position of the bulk cone 6 can be adjusted. When the rotating speed of the servo motor 71 is increased, the rotating speed of the grading plate 75 is increased, so that the grading particle size of the passing powder is reduced; on the contrary, when the rotation speed of the servo motor 71 is reduced, the classification particle size of the passing powder becomes large. When the position of the bulk cone 6 is lowered, the powder is closer to the pipe orifice of the powder feeding pipe 4, so that the outward diffusion force of the powder is higher, the upward lifting force is reduced, the grading particle size of the produced coarse powder is reduced, and the yield of the coarse powder is increased; on the contrary, when the position of the bulk cone 6 is raised, the classification particle size of the produced fine powder becomes larger and the yield of the fine powder is increased.
The above-mentioned only be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this design right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (10)
1. A machine-made sand fine powder separation device is characterized in that: comprises that
The top of the shell is provided with a fine powder outlet, and the bottom of the shell is provided with a coarse powder outlet;
the powder feeding pipe extends into the shell from the outside of the shell, the pipe orifice of the powder feeding pipe is positioned on the axial line of the shell and is arranged upwards, and the powder feeding pipe feeds powder through high-pressure airflow;
the bulk cone is arranged above the pipe orifice of the powder feeding pipe, the tip end of the bulk cone faces the direction of the pipe orifice of the powder feeding pipe, and the bulk cone diffuses powder fed by the powder feeding pipe outwards;
the rotary classifier acts on the upper part of the bulk cone and is positioned below the fine powder outlet, fine powder can pass through the rotary classifier and then is sent out from the fine powder outlet, and the powder which does not pass through is diffused outwards to the inner wall of the shell under the action of centrifugal force and falls under the action of gravity;
the secondary air inlet mechanism comprises an air inlet, an air equalizing cavity and an air outlet, wherein the air outlet is provided with a plurality of air outlets, each air outlet surrounds the inner wall of the shell and is arranged towards the inside of the shell, the air inlet sends high-pressure air into the air equalizing cavity and sends the air out of the air outlet, coarse powder can fall to a coarse powder outlet through the secondary air inlet mechanism and is sent out, and fine powder is blown to the direction of the powder feeding pipe and is conveyed upwards again.
2. The machine-made sand fine powder separating device of claim 1, wherein: the air equalizing cavity is of an annular structure and is arranged outside the shell in a surrounding mode.
3. The machine-made sand fine powder separating device of claim 1, wherein: the air outlets are obliquely arranged towards the inside of the shell at the same angle, so that high-pressure air entering the shell forms a rotary airflow.
4. The machine-made sand fine powder separating device of claim 1, wherein: the casing is including last section of thick bamboo, changeover portion, the lower section of thick bamboo that from top to bottom arranges, the diameter of going up the section of thick bamboo is greater than the section of thick bamboo down, the changeover portion forms the throat structure from top to bottom and connects upper segment and lower section of thick bamboo, rotatory graduator arranges in last section of thick bamboo, the bulk material awl is arranged in the changeover portion, secondary air inlet mechanism arranges in lower section of thick bamboo.
5. The machine-made sand fine powder separating device of claim 1, wherein: the rotary classifier comprises a main shaft, a supporting circular plate and a plurality of classifying plates, wherein the supporting circular plate is arranged on the main shaft and rotates along with the main shaft, the classifying plates are arranged on the supporting circular plate and extend outwards, and the classifying plates are arranged in a rotary array relative to the main shaft.
6. The machine-made sand fine powder separating device of claim 5, wherein: the two supporting circular plates are arranged at intervals up and down on the main shaft.
7. The machine-made sand fine powder separating device of claim 5, wherein: the rotary classifier further comprises a servo motor and a transmission assembly, the servo motor is arranged outside the shell, the main shaft extends into the shell from the outside of the shell, and the servo motor drives the main shaft to rotate through the transmission assembly.
8. The machine-made sand fine powder separating device of claim 1, wherein: the bulk material cone adjusting device is characterized by further comprising an internal support, the internal support is arranged in the shell, the adjuster is arranged on the internal support, and the bulk material cone is installed on the internal support through the adjuster and can be adjusted in position along the vertical direction.
9. The machine-made sand fine powder separating device of claim 1, wherein: still include former feed bin, screw conveyer, former feed bin sends into the powder through screw conveyer in towards the powder feed pipe.
10. The machine-made sand fine powder separating device of claim 1, wherein: the dust remover is connected with the fine powder outlet to screen out fine powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435428.6U CN213134027U (en) | 2020-07-20 | 2020-07-20 | Mechanism sand fine powder separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435428.6U CN213134027U (en) | 2020-07-20 | 2020-07-20 | Mechanism sand fine powder separator |
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| Publication Number | Publication Date |
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| CN213134027U true CN213134027U (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021435428.6U Active CN213134027U (en) | 2020-07-20 | 2020-07-20 | Mechanism sand fine powder separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486610A (en) * | 2021-12-24 | 2022-05-13 | 中电建河南万山绿色建材有限公司 | Online rapid detection system and method for grading analysis of rotational flow type machine-made sand particles |
-
2020
- 2020-07-20 CN CN202021435428.6U patent/CN213134027U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486610A (en) * | 2021-12-24 | 2022-05-13 | 中电建河南万山绿色建材有限公司 | Online rapid detection system and method for grading analysis of rotational flow type machine-made sand particles |
| CN114486610B (en) * | 2021-12-24 | 2024-04-26 | 中电建河南万山绿色建材有限公司 | Online rapid detection system and method for cyclone type machine-made sand grain composition analysis |
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