CN214950142U - Drying and screening device for phosphogypsum mineral powder raw material - Google Patents
Drying and screening device for phosphogypsum mineral powder raw material Download PDFInfo
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- CN214950142U CN214950142U CN202121292215.7U CN202121292215U CN214950142U CN 214950142 U CN214950142 U CN 214950142U CN 202121292215 U CN202121292215 U CN 202121292215U CN 214950142 U CN214950142 U CN 214950142U
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Abstract
The utility model discloses a drying and screening device for phosphogypsum mineral powder raw materials, which comprises a drying device and a screening device which are arranged in sequence; the drying device comprises a box body, a powder scattering mechanism, a heating mechanism and a discharging mechanism, wherein the powder scattering mechanism, the heating mechanism and the discharging mechanism are arranged in the box body; the top of box is equipped with the powder import, is equipped with pay-off band conveyer directly over the powder import, the powder breaks up the mechanism and is including setting up the side income formula agitator on box upper portion, the interval is equipped with a plurality of puddlers on the (mixing) shaft of side income formula agitator, and a plurality of puddlers staggered distribution are on the (mixing) shaft, the middle part of box and the below that is located the side income formula agitator are equipped with the filtration orifice plate. The utility model discloses drying efficiency is high, and the ejection of compact is convenient, reduces the dust through dust removal recovery plant simultaneously, ensures operational environment.
Description
Technical Field
The utility model relates to a ardealite technical field, concretely relates to ardealite powdered ore raw material stoving screening plant.
Background
Phosphogypsum is a solid waste produced in a wet-process phosphoric acid process, and a large amount of phosphogypsum mineral powder raw materials are produced in the production process of phosphoric acid fertilizers and are often buried in soil before. At present, because the requirement for environmental protection is increasingly improved, the raw phosphogypsum ore powder needs to be recycled, and therefore, a drying and screening device for the raw phosphogypsum ore powder is needed to treat the raw phosphogypsum ore powder.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a phosphogypsum mineral powder raw material drying and screening device aiming at the above requirements.
A drying and screening device for phosphogypsum mineral powder raw materials comprises a drying device and a screening device which are sequentially arranged;
the drying device comprises a box body, a powder scattering mechanism, a heating mechanism and a discharging mechanism, wherein the powder scattering mechanism, the heating mechanism and the discharging mechanism are arranged in the box body; the powder scattering mechanism comprises a side-entry stirrer arranged at the upper part of the box body, a plurality of stirring rods are arranged on a stirring shaft of the side-entry stirrer at intervals, the stirring rods are distributed on the stirring shaft in a staggered manner, and a filtering pore plate is arranged in the middle of the box body and below the side-entry stirrer; the heating mechanism comprises a plurality of first electric heating rods arranged above and below the stirring shaft and a group of second electric heating rods arranged below the filter hole plate, the plurality of first electric heating rods are uniformly arranged on two side walls in the box body, and the group of second electric heating rods are arranged along the length direction of the box body and connect the two side walls in the box body; the discharging mechanism comprises a U-shaped spiral conveyor arranged at the bottom of the box body, and a discharging opening is formed in the end part of the U-shaped spiral conveyor;
the screening device comprises a rack, two pairs of driving wheels and a drum screen, wherein the two pairs of driving wheels and the drum screen are used for driving the drum screen to rotate, a V-shaped plate is arranged on the rack, a powder material channel is arranged on the V-shaped plate, a powder material outlet is formed in the tail part of the V-shaped plate, the two pairs of driving wheels are arranged on the rack, a plurality of groups of screen holes, a feed inlet and a large material discharge outlet are arranged on the drum screen, the feed inlet is connected with a discharge outlet at the end part of a U-shaped spiral conveyor, grooves for driving the driving wheels to move are formed in the two ends of the outer wall of the drum screen, a group of hook plates for driving small materials to move upwards are arranged in the drum screen, the hook plates are arranged between every two groups of screen holes in the plurality of groups of screen holes, the drum screen is arranged in the V-shaped plate and enables the drum screen to be obliquely arranged on the two pairs of driving wheels, the grooves at the two ends of the outer wall of the drum screen are matched with the two pairs of driving wheels, one driving wheel is in transmission connection with a motor, and the motor drives the driving wheel to rotate the drum screen.
The screening device is characterized by further comprising a small material collecting plate, one end of the small material collecting plate extends out of the rotary screen and is fixed to the ground through a pair of supporting rods, the small material collecting plate is fixed to the ground through a connecting rod and a support, and the connecting rod penetrates through the middle of one end of the rotary screen.
The connecting rod is provided with a triangular crushing head, and the crushing head is positioned below the feed inlet of the drum screen.
The screening device is also provided with a dust cover which is arranged on the top of the V-shaped plate and covers the rotary screen; the powder material channel of the V-shaped plate is inclined.
And a support frame body is arranged at the bottom of the U-shaped spiral conveyor.
The top of box is equipped with the gas vent of taking the filter screen, the gas vent is connected with dust removal recovery plant through the pipeline.
The length of the first electric heating rods is smaller than half of the length of the box body, so that the two first electric heating rods arranged on the two side walls in the box body are not in contact with each other.
The number of a set of second electric heating rod is four, and four second electric heating rods evenly set up along the width direction of box equidistant.
And a gravity balance type horizontal turning plate is also arranged in the powder inlet.
The utility model has the advantages that: the utility model discloses drying efficiency is high, and the ejection of compact is convenient, reduces the dust through dust removal recovery plant simultaneously, ensures operational environment.
Description of the drawings
Fig. 1 is a schematic connection diagram of the present invention.
Fig. 2 is a schematic connection diagram of the drying device.
Fig. 3 is a schematic distribution diagram of a group of second electric heating rods.
Figure 4 is a schematic diagram of the construction of the screening device.
Fig. 5 is a schematic structural view of the hook plate.
Fig. 6 is a schematic view of the installation position of the small material collecting plate.
Fig. 7 is a partially enlarged schematic view of fig. 6.
Fig. 8 is a schematic side view of the structure of fig. 6.
Fig. 9 is a structural schematic view of the mounting position of the crushing head.
Detailed Description
As shown in the attached drawings, the drying and screening device for the phosphogypsum mineral powder raw material comprises a drying device 201 and a screening device 202 which are sequentially arranged;
the drying device 201 comprises a box body 20, a powder scattering mechanism, a heating mechanism and a discharging mechanism, wherein the powder scattering mechanism, the heating mechanism and the discharging mechanism are arranged in the box body 20; the top of the box body 20 is provided with a powder inlet 21, a feeding belt conveyor 22 is arranged right above the powder inlet 21, the powder scattering mechanism comprises a side-in stirrer 23 arranged at the upper part of the box body 20, a plurality of stirring rods 25 are arranged on a stirring shaft 24 of the side-in stirrer 23 at intervals, the plurality of stirring rods 25 are distributed on the stirring shaft 24 in a staggered manner, and a filtering pore plate 26 is arranged in the middle of the box body 20 and below the side-in stirrer 23; the heating mechanism comprises a plurality of first electric heating rods 27 arranged above and below the stirring shaft 24 and a group of second electric heating rods 28 arranged below the filter hole plate 26, the plurality of first electric heating rods 27 are uniformly arranged on two side walls in the box body 20, and the group of second electric heating rods 28 are arranged along the length direction of the box body 20 and connect the two side walls in the box body 20; the discharging mechanism comprises a U-shaped spiral conveyor 29 arranged at the bottom of the box body 20, and a discharging opening 30 is formed in the end part of the U-shaped spiral conveyor 29;
the screening device 202 comprises a frame 101, two pairs of driving wheels 102 and a rotary screen 103, wherein the two pairs of driving wheels 102 and the rotary screen 103 are used for driving the rotary screen 103 to rotate, a V-shaped plate 104 is arranged on the frame 101, a powder material channel is arranged on the V-shaped plate 104, a powder material outlet 1041 is formed at the tail part of the V-shaped plate, the two pairs of driving wheels 102 are arranged on the frame 101, a plurality of groups of meshes, a feed inlet and a large material outlet which are connected with a discharge outlet 30 at the end part of a U-shaped spiral conveyor 29 are arranged on the rotary screen 103, grooves used for moving the driving wheels 102 are arranged at two ends of the outer wall of the rotary screen 103, a group of hook plates 105 used for driving small materials to move upwards are arranged in the rotary screen 103, the hook plates 105 are arranged between each two groups of the meshes, the rotary screen 103 is arranged in the V-shaped plate 104 and enables the rotary screen 103 to be obliquely arranged on the two pairs of driving wheels 102, and the grooves at two ends of the rotary screen 103 are matched with the two pairs of driving wheels 102, one driving wheel 102 of one pair of driving wheels 102 of the two pairs of driving wheels 102 is in transmission connection with a motor, and the motor drives the driving wheel 102 to rotate the drum screen 103.
The screening device 202 also has a small material collecting plate 106, one end of the small material collecting plate 106 extends out of the rotary screen 103 and is fixed on the ground through a pair of supporting rods, the small material collecting plate 106 is fixed on the ground through a connecting rod 107 and a bracket, wherein the connecting rod 107 penetrates through the middle position of one end of the rotary screen 103.
A triangular crushing head 108 is arranged on the connecting rod 107, and the crushing head 108 is positioned below the feed inlet of the drum screen 103.
The screening device 202 also has a dust cover which is arranged on the top of the V-shaped plate 104 and covers the drum screen 103; the powder material passage of the V-shaped plate 104 is inclined.
And a support frame body is arranged at the bottom of the U-shaped spiral conveyor 29.
The top of box 20 is equipped with the gas vent 19 of taking the filter screen, gas vent 19 is connected with dust removal recovery plant through the pipeline.
The length of the first electric heating rod 27 is less than half of the length of the case 20 so that the two first electric heating rods 27 disposed on both sidewalls inside the case 20 do not contact.
The number of the group of the second electric heating rods 28 is four, and the four second electric heating rods 28 are uniformly arranged along the width direction of the box body 20 at equal intervals.
And a gravity balance type horizontal turning plate is also arranged in the powder inlet 21.
The working principle is as follows: the feeding belt conveyor 22 feeds materials into the box body 20 from a powder inlet 21 at the top, then the materials are scattered by the side-entering type stirrer 23, meanwhile, the materials are heated and pre-dried through a plurality of first electric heating rods 27, and then fall through the filter orifice plate 26, are heated and dried again through a group of second electric heating rods 28, and finally fall into the U-shaped spiral conveyor 29 at the bottom of the box body 20 and are discharged to a feeding hole of the screening device through the discharging hole 30.
The motor drives the driving wheel 102 to rotate the rotary screen 103, the materials are fed to the feeding hole while rotating, a part of the powder phosphogypsum leaks to the powder material channel on the V-shaped plate 104 from the screen mesh, and a part of the small block phosphogypsum is driven by the hook plate 105 to move upwards until falling down at a high position, at the moment, a part of the small block phosphogypsum directly becomes powder and leaks from the screen mesh, and the powder material cannot meet the requirement, namely flows out from the large material discharging hole.
In another embodiment, the motor drives the driving wheel 102 to rotate the trommel screen 103, and when the trommel screen is rotated, the materials are fed to the feeding hole, part of the powder phosphogypsum leaks out to the powder material channel on the V-shaped plate 104 from the screen hole, and the small-sized block phosphogypsum meeting the requirement is driven by the hook plate 105 to move upwards until falling down at a high position and falling on the small block material collecting plate 106 to be crushed (the powder formed by the crushed phosphogypsum enters the powder material channel through the screen on the small block material collecting plate 106 and the screen on the trommel screen 103), and the powder which cannot be crushed flows out through the end of the small block material collecting plate 106, and the large block phosphogypsum which cannot be hooked up flows out from the large block material discharging hole.
Claims (9)
1. The drying and screening device for the phosphogypsum mineral powder raw material is characterized by comprising a drying device (201) and a screening device (202) which are sequentially arranged;
the drying device (201) comprises a box body (20), a powder scattering mechanism, a heating mechanism and a discharging mechanism, wherein the powder scattering mechanism, the heating mechanism and the discharging mechanism are arranged in the box body (20); the powder scattering mechanism comprises a side-in stirrer (23) arranged at the upper part of the box body (20), a plurality of stirring rods (25) are arranged on a stirring shaft (24) of the side-in stirrer (23) at intervals, the stirring rods (25) are distributed on the stirring shaft (24) in a staggered manner, and a filtering pore plate (26) is arranged in the middle of the box body (20) and below the side-in stirrer (23); the heating mechanism comprises a plurality of first electric heating rods (27) arranged above and below the stirring shaft (24) and a group of second electric heating rods (28) arranged below the filter hole plate (26), the plurality of first electric heating rods (27) are uniformly arranged on two side walls in the box body (20), and the group of second electric heating rods (28) are arranged along the length direction of the box body (20) and connect the two side walls in the box body (20); the discharging mechanism comprises a U-shaped spiral conveyor (29) arranged at the bottom of the box body (20), and a discharging opening (30) is formed in the end part of the U-shaped spiral conveyor (29);
the screening device (202) comprises a rack (101), two pairs of driving wheels (102) and a rotary screen (103) which are used for driving the rotary screen (103) to rotate, a V-shaped plate (104) is arranged on the rack (101), a powder material channel is arranged on the V-shaped plate (104), a powder material outlet (1041) is formed at the tail part of the V-shaped plate, the two pairs of driving wheels (102) are arranged on the rack (101), a plurality of groups of screen holes, a feeding hole and a large material discharging hole which are connected with a discharging hole (30) at the end part of a U-shaped spiral conveyor (29) are arranged on the rotary screen (103), grooves used for moving the driving wheels (102) are arranged at two ends of the outer wall of the rotary screen (103), a group of hook plates (105) used for driving small materials to move upwards are arranged in the rotary screen (103), the hook plates (105) are positioned between each two groups of screen holes in the plurality of screen holes, the rotary screen (103) are positioned in the V-shaped plate (104), and the rotary screen (103) is obliquely arranged on the two pairs of driving wheels (102), grooves in two ends of the outer wall of the drum screen (103) are matched with the two pairs of driving wheels (102), one driving wheel (102) in one pair of driving wheels (102) in the two pairs of driving wheels (102) is in transmission connection with a motor, and the motor drives the driving wheels (102) to enable the drum screen (103) to rotate.
2. The drying and screening device for the phosphogypsum mineral powder raw material as claimed in claim 1, is characterized in that the screening device (202) is further provided with a small material collecting plate (106), one end of the small material collecting plate (106) extends towards the outside of the drum screen (103) and is fixed on the ground through a pair of supporting rods, the small material collecting plate (106) is fixed on the ground through a connecting rod (107) and a bracket, wherein the connecting rod (107) penetrates through the central position of one end of the drum screen (103).
3. The drying and screening device for the raw material of the phosphogypsum mineral powder as claimed in claim 2, wherein the connecting rod (107) is provided with a triangular crushing head (108), and the crushing head (108) is positioned below the feeding hole of the drum screen (103).
4. The drying and screening device for the raw material of phosphogypsum mineral powder as claimed in claim 1, wherein the screening device (202) is further provided with a dust cover which is arranged on the top of the V-shaped plate (104) and is covered above the rotary screen (103); the powder material channel of the V-shaped plate (104) is inclined.
5. The drying and screening device for the raw material of phosphogypsum mineral powder as claimed in claim 1, wherein a support frame body is arranged at the bottom of the U-shaped spiral conveyor (29).
6. The drying and screening device for the raw material of the phosphogypsum mineral powder as claimed in claim 1, wherein the top of the box body (20) is provided with an exhaust port (19) with a filter screen, and the exhaust port (19) is connected with a dust removal and recovery device through a pipeline.
7. The drying and screening device for the phosphogypsum mineral powder raw meal as claimed in claim 1, is characterized in that the length of the first electric heating rod (27) is less than half of the length of the box body (20), so that the two first electric heating rods (27) arranged on the two side walls inside the box body (20) are not contacted.
8. The phosphogypsum mineral powder raw material drying and screening device as claimed in claim 1, wherein the number of the group of second electric heating rods (28) is four, and the four second electric heating rods (28) are uniformly arranged along the width direction of the box body (20) at equal intervals.
9. The drying and screening device for raw materials of phosphogypsum mineral powder as claimed in claim 1, wherein a gravity balance type horizontal turning plate is further arranged in the powder inlet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121292215.7U CN214950142U (en) | 2021-06-10 | 2021-06-10 | Drying and screening device for phosphogypsum mineral powder raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121292215.7U CN214950142U (en) | 2021-06-10 | 2021-06-10 | Drying and screening device for phosphogypsum mineral powder raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214950142U true CN214950142U (en) | 2021-11-30 |
Family
ID=79053816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121292215.7U Active CN214950142U (en) | 2021-06-10 | 2021-06-10 | Drying and screening device for phosphogypsum mineral powder raw material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214950142U (en) |
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2021
- 2021-06-10 CN CN202121292215.7U patent/CN214950142U/en active Active
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