CN214250533U - Feeding system for rotary kiln - Google Patents
Feeding system for rotary kiln Download PDFInfo
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- CN214250533U CN214250533U CN202023333092.5U CN202023333092U CN214250533U CN 214250533 U CN214250533 U CN 214250533U CN 202023333092 U CN202023333092 U CN 202023333092U CN 214250533 U CN214250533 U CN 214250533U
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- rotary kiln
- feeding
- rotary
- locking
- kiln
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Abstract
The utility model discloses a feed system especially discloses a feed system for rotary kiln belongs to metallurgical production technology and equips manufacturing and designing technical field. A feeding system for a rotary kiln capable of effectively controlling the amount of material to be fed is provided. The feeding system comprises a rotary kiln, the feeding system further comprises a storage bin, a kiln hood cover and a feeding metering mechanism, and the feeding metering mechanism connected with a discharge port of the storage bin at a feeding end is communicated with the rotary kiln under the cooperation of the kiln hood cover.
Description
Technical Field
The utility model relates to a feed system especially relates to a feed system for rotary kiln, belongs to metallurgical production technology and equips manufacturing and designing technical field.
Background
The rotary kiln is a rotary calcining kiln, also called a rotary kiln, and belongs to the building material equipment. The metallurgical chemical kiln is mainly used for magnetizing and roasting the lean iron ore in steel plants in the metallurgical industry. However, the existing feeding device of the rotary kiln can not well control the feeding amount and can not prevent the flue gas from overflowing from the feeding pipe.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a feeding system for a rotary kiln capable of effectively controlling the amount of material to be fed is provided.
The technical scheme adopted for solving the technical problems is as follows: the feeding system comprises a rotary kiln, a storage bin, a kiln head cover and a feeding metering mechanism, wherein the feeding metering mechanism connected with a discharge port of the storage bin at a feeding end is communicated with the rotary kiln under the matching of the kiln head cover.
Further, a chute is further arranged in the kiln head cover, and a material output end of the feeding metering mechanism is communicated with the rotary kiln in a sealing mode through the chute under the matching of the kiln head cover.
The preferable mode of the scheme is that a material guiding locking structure is further arranged on a material input port of the chute, a material input end of the material guiding locking structure is connected with a material output end of the feeding metering mechanism, and the chute communicated with the inner cavity of the rotary kiln is opened or closed through the material guiding locking structure.
Further, the material guiding locking structure comprises a material guiding funnel and a rotary locking assembly, the lower end of the rotary locking assembly is communicated with the chute, and the upper end of the rotary locking assembly is communicated with the feeding metering mechanism through the material guiding funnel.
The preferable mode of the above scheme is that the rotary locking assembly comprises a rotary air locking valve and a locking driving mechanism, the lower end of the rotary air locking valve is communicated with the chute, the upper end of the rotary air locking valve is connected with the material guide hopper, and the rotary air locking valve is opened or closed through the locking driving mechanism.
Furthermore, the driving mechanism is a wind locking driving motor.
The feeding metering mechanism comprises a quantitative swinging hopper and a calculating driving mechanism, and materials in the storage bin are continuously and quantitatively input into the material guide hopper through the quantitative swinging hopper under the cooperation of the calculating driving mechanism.
Furthermore, the calculation driving mechanism comprises a driving connecting rod and a calculation driving component, and the power input end of the quantitative swinging bucket is connected with the power output end of the calculation driving component through the driving connecting rod.
The calculation driving assembly comprises a calculation driving motor and a speed reducer, the power input end of the speed reducer is connected with the power output end of the calculation driving motor, and the power output end of the speed reducer is connected with the driving connecting rod.
Furthermore, the feeding metering mechanism further comprises a guide output funnel, and the material input end of the quantitative swing hopper is connected with the material output end of the storage bin through the guide output funnel.
The utility model has the advantages that: the technical scheme that this application provided uses current rotary kiln as the basis, constitutes new feeding system through increase the feeding metering mechanism that sets up storage silo, kiln hood cover and feeding on it, then makes the feeding metering mechanism that the feed end is connected with the storage silo discharge gate communicate with the rotary kiln under the cooperation of kiln hood cover. Like this, when adding the material in to the rotary kiln, because the material that needs to add all is accomplished through feeding metering mechanism, both solved the technical problem of the volume of control feed that current rotary kiln feeder can not be fine among the prior art, can carry out effective control to the material that adds again. Furthermore, after the improvement that the material output ends of the material guide locking structure and the material feeding metering mechanism are added and are communicated with the rotary kiln in a sealing way under the matching of the kiln head cover through the chute, the problem that the smoke can not be prevented from overflowing from the feeding pipe in the prior art can be effectively solved.
Drawings
Fig. 1 is a schematic structural diagram of a feeding system for a rotary kiln according to the present invention;
FIG. 2 is a schematic structural view of a feed metering mechanism according to the present invention;
fig. 3 is a schematic view of the material guiding locking structure of the present invention.
Labeled as: the rotary kiln comprises a rotary kiln 1, a storage bin 2, a kiln head cover 3, a feeding metering mechanism 4, a chute 5, a material guiding locking structure 6, a material guiding funnel 7, a rotary locking assembly 8, a rotary air locking valve 9, a locking driving mechanism 10, a quantitative swinging hopper 11, a calculating driving mechanism 12, a driving connecting rod 13, a calculating driving assembly 14, a calculating driving motor 15, a speed reducer 16, a guiding output funnel 17 and a stainless steel material blocking ring 18.
Detailed Description
Referring to fig. 1, 2 and 3, the present invention provides a feeding system for rotary kiln capable of effectively controlling the feeding amount. The feeding system comprises a rotary kiln 1, the feeding system further comprises a storage bin 2, a kiln head cover 3 and a feeding metering mechanism 4, and the feeding metering mechanism 4 connected with a discharge port of the storage bin at a feeding end is communicated with the rotary kiln 1 under the matching of the kiln head cover 3. The technical scheme that this application provided uses current rotary kiln as the basis, constitutes new feeding system through increase the feeding metering mechanism that sets up storage silo, kiln hood cover and feeding on it, then makes the feeding metering mechanism that the feed end is connected with the storage silo discharge gate communicate with the rotary kiln under the cooperation of kiln hood cover. Like this, when adding the material in to the rotary kiln, because the material that needs to add all is accomplished through feeding metering mechanism, both solved the technical problem of the volume of control feed that current rotary kiln feeder can not be fine among the prior art, can carry out effective control to the material that adds again.
In the above-mentioned embodiment, in order to realize effectively calculating under the prerequisite of feed, can also realize preventing the purpose that the flue gas spills over from the inlet pipe, combine kiln hood 3 in still be provided with chute 5, the material output of feeding metering mechanism 4 passes through chute 5 under the cooperation of kiln hood 3 with the actual conditions of the sealed intercommunication of rotary kiln 1, this application still is provided with guide locking structure 6 on the material input port of chute 5, the material input of guide locking structure 6 is connected with the material output of feeding metering mechanism 4, passes through with chute 5 of rotary kiln inner chamber intercommunication guide locking structure 6 open or close. Correspondingly, this application guide locking structure 6 include guide funnel 7 and rotatory locking subassembly 8, rotatory locking subassembly 8's lower extreme and chute 5 intercommunication, guide funnel 7 and feeding metering mechanism 4 intercommunication are passed through to rotatory locking subassembly 8's upper end. At this time, the preferred structure is that the rotary locking assembly 8 includes a rotary air-lock valve 9 and a locking driving mechanism 10, the lower end of the rotary air-lock valve 9 is communicated with the chute 5, the upper end of the rotary air-lock valve 9 is connected with the material guide funnel 7, and the rotary air-lock valve 9 is opened or closed by the locking driving mechanism 10. Meanwhile, the driving mechanism 10 is preferably a wind lock driving motor. Here, the sealed communication of the chute 5 with the rotary kiln 1 in cooperation with the kiln head cover 3 is realized by a stainless steel retaining ring 18.
Further, in order to simplify the structural design of calculating the feeding as far as possible on the premise of ensuring effective calculation feeding, so as to facilitate manufacturing and subsequent use, maintenance and repair, the feeding metering mechanism 4 described in the present application includes a quantitative swing hopper 11 and a calculation driving mechanism 12, and the material located in the storage bin 2 is continuously and quantitatively input into the material guide funnel 7 through the quantitative swing hopper 11 under the cooperation of the calculation driving mechanism 12. In this case, the calculating and driving mechanism 12 should include a driving link 13 and a calculating and driving assembly 14, and the power input end of the quantitative swing bucket 11 is connected to the power output end of the calculating and driving assembly 14 through the driving link 13. Correspondingly, the computing and driving assembly 14 comprises a computing and driving motor 15 and a speed reducer 16, wherein a power input end of the speed reducer 16 is connected with a power output end of the computing and driving motor 15, and a power output end of the speed reducer 16 is connected with the driving connecting rod 13. And the feeding metering mechanism 4 further comprises a guide output funnel 17, and the material input end of the quantitative swing hopper 11 is connected with the material output end of the storage bin 2 through the guide output funnel 17.
In addition, the air locking driving motor metering driving motor or the swinging feeder motor is a conventional motor in the prior art, and different names are adopted only for distinguishing different technical characteristics, so that the description is convenient.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The fine-grained pellet feeding device is the feeding system for the rotary kiln, and comprises a storage bin, a pendulum feeder, a receiving hopper, a rotary airlock valve and a chute assembly. The pendulum feeder is the feeding metering mechanism.
The pendulum feeder drives a speed reducer by a motor controlled by a frequency converter, and the speed reducer is connected with a connecting rod to control the pendulum body to swing, so that the purpose of metering is achieved.
The air locking valve controls the speed reducer to control the rotation of the valve body by the motor, so that the aim of locking the overflow of the flue gas is fulfilled.
5-8 mm pellets are placed in a storage bin and are metered by a pendulum feeder, enter a wind locking valve through a receiving hopper and enter a calcining kiln through a chute.
Example one
The fabrication and function of the components are described with reference to fig. 1, 2 and 3.
1. The storage bin is formed by assembling and welding steel plate blanking and is used for storing fine-grained pellets.
2. The pendulum feeder drives a speed reducer to rotate by a three-phase asynchronous motor and drives a connecting rod to make a pendulum bucket swing so as to achieve the purpose of quantitative continuous feeding.
3. The receiving hopper is formed by assembling and welding steel plate blanking. And the air locking valve is connected with a material receiving device for the swinging feeder.
4. The air locking valve is driven by a motor to rotate to achieve the purpose of feeding, locking and smoke overflow.
5. The chute is formed by assembling and welding temperature-resistant stainless steel, is connected with the air locking valve and is arranged on the upper part of the kiln head cover. The chute is used for receiving and conveying materials into the rotary kiln.
6. The material blocking ring is made of heat-resistant stainless steel into a circular ring and is fixed on the end surface of the rotary kiln to prevent the pellets from rebounding and falling into the kiln head cover.
7. When the swing feeder is used, the rotating speed of the motor of the swing feeder can be controlled through the frequency converter, so that the swing speed of the swing bucket is adjusted, the feeding amount can be controlled, and the influence on quality caused by too much and too little feeding is avoided.
Claims (10)
1. A feeding system for a rotary kiln, comprising a rotary kiln (1), characterized in that: the feeding system further comprises a storage bin (2), a kiln head cover (3) and a feeding metering mechanism (4), wherein the feeding metering mechanism (4) connected with a discharge port of the storage bin at a feeding end is communicated with the rotary kiln (1) under the cooperation of the kiln head cover (3).
2. The feeding system for a rotary kiln as claimed in claim 1, wherein: the kiln head cover (3) is also internally provided with a chute (5), and the material output end of the feeding metering mechanism (4) is hermetically communicated with the rotary kiln (1) through the chute (5) under the cooperation of the kiln head cover (3).
3. The feeding system for a rotary kiln according to claim 1 or 2, characterized in that: a material guide locking structure (6) is further arranged on a material input port of the chute (5), a material input end of the material guide locking structure (6) is connected with a material output end of the feeding metering mechanism (4), and the chute (5) communicated with the inner cavity of the rotary kiln is opened or closed through the material guide locking structure (6).
4. The feeding system for a rotary kiln as set forth in claim 3, wherein: the material guiding and locking structure (6) comprises a material guiding funnel (7) and a rotary locking assembly (8), the lower end of the rotary locking assembly (8) is communicated with the chute (5), and the upper end of the rotary locking assembly (8) is communicated with the feeding metering mechanism (4) through the material guiding funnel (7).
5. The feeding system for a rotary kiln as set forth in claim 4, wherein: the rotary locking assembly (8) comprises a rotary air locking valve (9) and a locking driving mechanism (10), the lower end of the rotary air locking valve (9) is communicated with the chute (5), the upper end of the rotary air locking valve (9) is connected with the material guide hopper (7), and the rotary air locking valve (9) is opened or closed through the locking driving mechanism (10).
6. The feeding system for a rotary kiln as set forth in claim 5, wherein: the locking driving mechanism (10) is a wind locking driving motor.
7. The feeding system for a rotary kiln as set forth in claim 3, wherein: the feeding metering mechanism (4) comprises a quantitative swing hopper (11) and a calculation driving mechanism (12), and materials in the storage bin (2) are continuously and quantitatively input into the material guide hopper (7) through the quantitative swing hopper (11) under the cooperation of the calculation driving mechanism (12).
8. The feeding system for a rotary kiln as claimed in claim 7, wherein: the calculation driving mechanism (12) comprises a driving connecting rod (13) and a calculation driving assembly (14), and the power input end of the quantitative swinging bucket (11) is connected with the power output end of the calculation driving assembly (14) through the driving connecting rod (13).
9. The feeding system for a rotary kiln as claimed in claim 8, wherein: the calculation driving assembly (14) comprises a calculation driving motor (15) and a speed reducer (16), the power input end of the speed reducer (16) is connected with the power output end of the calculation driving motor (15), and the power output end of the speed reducer (16) is connected with the driving connecting rod (13).
10. The feeding system for a rotary kiln as claimed in claim 9, wherein: the feeding metering mechanism (4) further comprises a guide output hopper (17), and the material input end of the quantitative swing hopper (11) is connected with the material output end of the storage bin (2) through the guide output hopper (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023333092.5U CN214250533U (en) | 2020-12-30 | 2020-12-30 | Feeding system for rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023333092.5U CN214250533U (en) | 2020-12-30 | 2020-12-30 | Feeding system for rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214250533U true CN214250533U (en) | 2021-09-21 |
Family
ID=77723408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023333092.5U Active CN214250533U (en) | 2020-12-30 | 2020-12-30 | Feeding system for rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214250533U (en) |
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2020
- 2020-12-30 CN CN202023333092.5U patent/CN214250533U/en active Active
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