CN219990345U - Double-screw feeding rotary bridge-breaking powder feeder - Google Patents
Double-screw feeding rotary bridge-breaking powder feeder Download PDFInfo
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- CN219990345U CN219990345U CN202321441457.7U CN202321441457U CN219990345U CN 219990345 U CN219990345 U CN 219990345U CN 202321441457 U CN202321441457 U CN 202321441457U CN 219990345 U CN219990345 U CN 219990345U
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- charging basket
- rotating shaft
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- 239000000843 powder Substances 0.000 title claims abstract description 107
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 238000005303 weighing Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 9
- 238000004880 explosion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a double-screw feeding rotary bridge-breaking powder feeder, which is characterized in that a powder feeding port is correspondingly arranged on a charging basket, a stirring shaft is correspondingly arranged in the charging basket, the stirring shaft is correspondingly driven by a stirring motor, a plurality of scrapers are correspondingly arranged on the stirring shaft, the scrapers are matched with the inner wall of the charging basket, a powder outlet channel is correspondingly arranged at the bottom of the charging basket, a spiral rotating shaft is correspondingly arranged in the powder outlet channel, the spiral rotating shaft comprises a first spiral rotating shaft and a second spiral rotating shaft, the first spiral rotating shaft and the second spiral rotating shaft are correspondingly connected by an adjustable speed motor, and the powder outlet channel is correspondingly communicated with the powder outlet. According to the utility model, the probability of explosion is reduced by throwing inert powder, the existing single-screw powder throwing machine cannot meet larger conveying capacity, the conveying capacity of the double-screw feeding rotary bridge-breaking powder throwing machine is 1.5-2 times that of single-screw equipment, and after double-screw treatment is adopted, the powder is finer, the accuracy is high after the powder is conveyed to dust removing equipment, and the powder throwing effect is better.
Description
Technical Field
The utility model relates to the technical field of dust removal system supporting equipment, in particular to a double-screw feeding rotary bridge-breaking powder feeder.
Background
For the dust collecting equipment which needs to put in inert powder to reduce the explosion probability, the matching of a large-quantity, efficient, stable and high-precision powder feeder is important, the existing powder feeder adopts a single-screw structure, and the powder feeder has small conveying capacity and cannot accurately feed powder. Therefore, the double-screw feeding rotary bridge-breaking powder feeder is provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the double-screw feeding rotary bridge-breaking powder feeder is provided.
The utility model is realized by the following scheme:
the utility model provides a rotatory broken bridge of double helix feed throws powder machine, includes the storage bucket correspond on the storage bucket and be equipped with the powder mouth correspond in the storage bucket and be equipped with the (mixing) shaft, the (mixing) shaft is driven by the (mixing) motor corresponds on the (mixing) shaft be equipped with a plurality of scraper, scraper and the inner wall phase-match of storage bucket the bottom of storage bucket corresponds and is equipped with out the powder passageway correspond in the play powder passageway and be equipped with the spiral pivot, the spiral pivot includes first spiral pivot and second spiral pivot, first spiral pivot and second spiral pivot correspond by adjustable speed motor and are connected, go out the powder passageway and correspond the intercommunication with the powder mouth.
And a shell with a hollow cavity structure is correspondingly arranged at the outer side of the charging basket.
The charging basket is of a cone-shaped structure with a wide upper part and a narrow lower part.
The scraper comprises an upper scraper and a lower scraper, the upper scraper and the lower scraper are respectively and correspondingly connected with the stirring shaft, and the upper scraper is positioned above the lower scraper.
The cross section of the upper scraper is of an inverted right trapezoid structure, the cross section of the lower scraper is triangular, and one side, far away from the stirring shaft, of the lower scraper is correspondingly provided with an outwards protruding scraping sheet.
The powder discharging channel is transversely arranged at the bottom of the charging basket, the powder discharging channel is correspondingly communicated with the bottom of the charging basket, and the first spiral rotating shaft and the second spiral rotating shaft are correspondingly matched and arranged in the powder discharging channel.
And a material level gauge is correspondingly arranged in the charging basket.
The bottom of storage bucket corresponds and is equipped with weighing sensor, weighing sensor corresponds the electricity with weighing the changer and is connected, weighing the changer and corresponds the electricity with PLC and be connected, PLC corresponds the electricity with adjustable speed motor and is connected.
The beneficial effects of the utility model are as follows:
the conveying capacity of the double-screw feeding rotary bridge-breaking powder feeder is 1.5-2 times that of a single-screw powder feeder, the double-screw powder feeder adopts double screws, inert powder is finer after being stirred by the two screws, and the powder feeding precision is high and the powder feeding effect is better after the powder is conveyed to dust removing equipment.
Drawings
FIG. 1 is a schematic diagram of the axial structure of a double-screw feeding rotary bridge-breaking powder feeder of the utility model;
FIG. 2 is a schematic diagram of a structure of a double screw feeding rotary broken bridge powder feeder according to another view angle of the present utility model;
FIG. 3 is a schematic cross-sectional view taken in the direction A-A of FIG. 2;
in the figure: 1 is a powder throwing port, 2 is a stirring motor, 3 is a charging basket, 4 is a stirring shaft, 5 is an upper scraper, 6 is a material level meter, 7 is an adjustable speed motor, 8 is a weighing sensor, 9 is a powder outlet, 10 is a lower scraper, 11 is a shell, 12 is a scraping sheet, 13 is a first spiral rotating shaft, 14 is a second spiral rotating shaft, 15 is a powder outlet channel, and 16 is a weighing transmitter.
Detailed Description
Preferred embodiments of the present utility model will be further described with reference to the accompanying drawings:
as shown in fig. 1 and 2, the double-screw feeding rotary bridge-breaking powder feeder comprises a charging basket 3, a powder feeding port 1 is correspondingly arranged on the charging basket 3, a stirring shaft 4 is correspondingly arranged in the charging basket 3, the stirring shaft 4 is correspondingly driven by a stirring motor 2, a plurality of scrapers are correspondingly arranged on the stirring shaft 4, the scrapers are matched with the inner wall of the charging basket 3, a powder discharging channel 15 is correspondingly arranged at the bottom of the charging basket 3, a screw rotating shaft is correspondingly arranged in the powder discharging channel 15, the screw rotating shaft comprises a first screw rotating shaft 13 and a second screw rotating shaft 14, the first screw rotating shaft 13 and the second screw rotating shaft 14 are correspondingly connected by an adjustable speed motor 7, and the powder discharging channel 15 is correspondingly communicated with the powder discharging port 9.
Powder is discharged from a powder outlet channel to a powder outlet 9 and is conveyed to a dust removal system, inert powder is sprayed into an air inlet main pipeline along with negative pressure of an external dust remover and is mixed with other dust, and the explosion probability of the dust remover is reduced by adding the inert powder.
And a shell 11 with a hollow cavity structure is correspondingly arranged on the outer side of the charging basket 3. The stirring charging barrel can be effectively protected through the shell, and the protection effect is achieved. The charging basket 3 is of a cone-shaped structure with a wide upper part and a narrow lower part. This configuration facilitates the addition of inert powders.
As shown in fig. 3, the scraper comprises an upper scraper 5 and a lower scraper 10, the upper scraper 5 and the lower scraper 10 are respectively connected with the stirring shaft 4 correspondingly, and the upper scraper 5 is positioned above the lower scraper 10. The cross section of the upper scraper 5 is of an inverted right trapezoid structure, the cross section of the lower scraper 10 is triangular, and one side, far away from the stirring shaft 4, of the lower part of the lower scraper 10 is correspondingly provided with a scraper piece 12 protruding outwards. The powder bridging is broken through the mechanical rotation mode of the upper scraper 5 and the lower scraper 10, so that powder accumulation is effectively prevented. The outer edges of the upper and lower scrapers 5 and 10 are adhered to the inner wall of the stirring barrel, and the inert powder is stirred as much as possible.
The powder discharging channel 15 is transversely arranged at the bottom of the charging basket 3, the powder discharging channel 15 is correspondingly communicated with the bottom of the charging basket 3, and the first spiral rotating shaft 13 and the second spiral rotating shaft 14 are correspondingly matched and arranged in the powder discharging channel 15.
And a material level gauge 6 is correspondingly arranged in the charging basket 3. The balance of the inert powder in the charging basket 3 can be accurately monitored through the level gauge 6, and the inert powder can be timely added.
The bottom of the charging basket 3 is correspondingly provided with a weighing sensor 8, the weighing sensor 8 is correspondingly and electrically connected with a weighing transmitter 16, the weighing transmitter 16 is correspondingly and electrically connected with a PLC, and the PLC is correspondingly and electrically connected with an adjustable speed motor 7.
In the present utility model, the specific connection manner, operation principle and process of the load cell 8, the weight transmitter 16 and the PLC are known technologies, and will not be described herein.
The working process and principle of the utility model are approximately as follows:
after the equipment is started, inert powder enters the charging basket through the powder feeding port 1, and the stirring motor 2 drives the stirring shaft 4 to stir the powder in the charging basket. Be equipped with the scraper in the storage bucket, adopt the mode of mechanical rotation scraper to break powder bridging and prevent effectively that the long-pending powder, concrete process is: the stirring shaft 4 drives a scraper, and a rotary bridge breaking mechanism (scraper) of the powder feeder stirs inert powder. The powder enters the powder outlet channel, the speed-adjustable motor 7 drives the first spiral rotating shaft 13 and the second spiral rotating shaft 14 to rotate, quantitative conveying and grinding are completed in the powder outlet channel, and the powder is discharged to the powder outlet 9 from the powder outlet channel and is conveyed into the dust removal system.
The weighing sensor 8 is combined with the weight transmitter 16 to feed back the powder output in unit time to the PLC of the control cabinet, the PLC controls the revolution of the variable-frequency adjustable motor 7 (the revolution of the adjustable motor 7 is increased when the powder output is smaller and the revolution of the adjustable motor 7 is reduced when the powder output is larger) through the frequency converter by comparing the deviation between the actual powder output and the set powder output, so that the consistency of the actual powder output and the set powder output is ensured, the closed-loop feedback control of the powder output is realized, and the powder feeder constantly outputs powder.
The utility model relates to a double-screw feeding rotary broken bridge powder feeder, which aims to reduce the probability of explosion occurrence by feeding inert powder, and the existing single-screw powder feeder cannot meet larger conveying capacity, wherein the conveying capacity of the double-screw feeding rotary broken bridge powder feeder is 1.5-2 times of that of single-screw equipment.
While the utility model has been described and illustrated in considerable detail, it should be understood that modifications and equivalents to the above-described embodiments will become apparent to those skilled in the art, and that such modifications and improvements may be made without departing from the spirit of the utility model.
Claims (8)
1. The utility model provides a rotatory broken bridge of double helix feed throws powder machine, includes storage bucket (3), its characterized in that: the powder feeding device is characterized in that a powder feeding port (1) is correspondingly arranged on the charging basket (3), a stirring shaft (4) is correspondingly arranged in the charging basket (3), the stirring shaft (4) is correspondingly driven by a stirring motor (2), a plurality of scrapers are correspondingly arranged on the stirring shaft (4), the scrapers are matched with the inner wall of the charging basket (3), a powder outlet channel (15) is correspondingly arranged at the bottom of the charging basket (3), a spiral rotating shaft is correspondingly arranged in the powder outlet channel (15), the spiral rotating shaft comprises a first spiral rotating shaft (13) and a second spiral rotating shaft (14), the first spiral rotating shaft (13) and the second spiral rotating shaft (14) are correspondingly connected by an adjustable speed motor (7), and the powder outlet channel (15) is correspondingly communicated with the powder outlet port (9).
2. The double-screw feeding rotary bridge-breaking powder feeder according to claim 1, wherein: and a shell (11) with a hollow cavity structure is correspondingly arranged at the outer side of the charging basket (3).
3. The double-screw feeding rotary bridge-breaking powder feeder according to claim 1, wherein: the charging basket (3) is of a cone-shaped structure with a wide upper part and a narrow lower part.
4. The double-screw feeding rotary bridge-breaking powder feeder according to claim 1, wherein: the scraper comprises an upper scraper (5) and a lower scraper (10), the upper scraper (5) and the lower scraper (10) are respectively and correspondingly connected with the stirring shaft (4), and the upper scraper (5) is positioned above the lower scraper (10).
5. The double-screw feeding rotary bridge-breaking powder feeder according to claim 4, wherein: the cross section of the upper scraper (5) is of an inverted right trapezoid structure, the cross section of the lower scraper (10) is triangular, and one side, far away from the stirring shaft (4), of the lower part of the lower scraper (10) is correspondingly provided with a scraping sheet (12) protruding outwards.
6. The double-screw feeding rotary bridge-breaking powder feeder according to claim 1, wherein: the powder discharging channel (15) is transversely arranged at the bottom of the charging basket (3), the powder discharging channel (15) is correspondingly communicated with the bottom of the charging basket (3), and the first spiral rotating shaft (13) and the second spiral rotating shaft (14) are correspondingly matched and arranged in the powder discharging channel (15).
7. The double-screw feeding rotary bridge-breaking powder feeder according to claim 1, wherein: a material level gauge (6) is correspondingly arranged in the charging basket (3).
8. The double-screw feeding rotary bridge-breaking powder feeder according to claim 1, wherein: the bottom of the charging basket (3) is correspondingly provided with a weighing sensor (8), the weighing sensor (8) is correspondingly electrically connected with a weighing transmitter (16), the weighing transmitter (16) is correspondingly electrically connected with a PLC, and the PLC is correspondingly electrically connected with an adjustable speed motor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441457.7U CN219990345U (en) | 2023-06-07 | 2023-06-07 | Double-screw feeding rotary bridge-breaking powder feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441457.7U CN219990345U (en) | 2023-06-07 | 2023-06-07 | Double-screw feeding rotary bridge-breaking powder feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219990345U true CN219990345U (en) | 2023-11-10 |
Family
ID=88617055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321441457.7U Active CN219990345U (en) | 2023-06-07 | 2023-06-07 | Double-screw feeding rotary bridge-breaking powder feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219990345U (en) |
-
2023
- 2023-06-07 CN CN202321441457.7U patent/CN219990345U/en active Active
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