CN219810251U - Small rotary kiln suitable for roasting test samples - Google Patents
Small rotary kiln suitable for roasting test samples Download PDFInfo
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- CN219810251U CN219810251U CN202320991127.9U CN202320991127U CN219810251U CN 219810251 U CN219810251 U CN 219810251U CN 202320991127 U CN202320991127 U CN 202320991127U CN 219810251 U CN219810251 U CN 219810251U
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- kiln
- kiln body
- roasting
- supporting seat
- shell
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- 239000000779 smoke Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 239000003546 flue gas Substances 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 8
- 238000009776 industrial production Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
A small rotary kiln suitable for roasting test samples comprises a kiln body, a burner, a kiln body rotation driving assembly, a kiln body supporting assembly and a kiln body smoke exhausting assembly; the kiln body is internally used for placing a test sample; the kiln head end of the kiln body is connected with the burner, the kiln tail end of the kiln body is connected with the kiln body smoke discharging component, and the kiln body is arranged on the kiln body supporting component; the kiln body rotation driving assembly is arranged between the kiln body and the kiln body supporting assembly. The small rotary kiln disclosed by the utility model can be used for enabling a test sample to be roasted more uniformly, avoiding the phenomenon of caking or insufficient roasting, enabling the roasting treatment capacity to be higher than that of a drying box, adopting flame as a roasting heat source, and realizing the adjustment of the roasting temperature by changing the size of the flame; the residence time of the test sample in each temperature interval can be ensured by changing the inclination angle of the kiln body and configuring the double material blocking rings, so that a better roasting effect is obtained, and the method is used for exploring the optimal roasting time in industrial production; as the roasting adopts flame heating, the method is more suitable for industrial production, and the obtained test parameters are more accurate.
Description
Technical Field
The utility model belongs to the technical field of roasting equipment, and particularly relates to a small rotary kiln suitable for roasting test samples.
Background
At present, most of test samples are baked by adopting an electric heating drying box, before the baking treatment, the test samples with certain thickness are stacked in a tray at one time, then the tray stacked with the test samples is placed in the drying box, a power supply is connected after the drying box is closed, current is connected to a resistance wire in the drying box, and the test samples in the tray are heated by the electrified heating of the resistance wire so as to simulate the baking of the test samples.
However, as the test sample is always in a static state in the tray, when the test sample is heated by the resistance wire, if the stacking thickness of the test sample is thicker, the heating mode of the resistance wire easily causes uneven heating inside and outside the test sample, and the phenomenon of overburning and caking or insufficient internal roasting of the surface layer of the test sample can occur; if the stacking thickness of the test samples is thinner, the phenomenon that the treatment capacity of the drying box cannot be fully utilized to cause energy waste can occur.
In addition, the resistance wire is used for heating the test sample in a static state, and the mode of simulating roasting is separated from the working condition of industrial production, so that the test parameters required by the industrial production cannot be intuitively reflected.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the small rotary kiln suitable for roasting test samples, the test samples are roasted more uniformly, the phenomenon of caking or insufficient roasting does not occur, the roasting treatment capacity is higher than that of a drying box, flame is adopted as a roasting heat source, the regulation of the roasting temperature is realized by changing the size of the flame, the treatment capacity of the rotary kiln can be fully utilized, and the energy waste is avoided; the residence time of the test sample in each temperature interval can be ensured by changing the inclination angle of the kiln body and configuring the double material blocking rings, so that a better roasting effect is obtained, and the optimal roasting time in industrial production is discovered; as the roasting adopts flame heating, the method is more suitable for industrial production, and the obtained test parameters are more accurate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a small rotary kiln suitable for roasting test samples comprises a kiln body, a burner, a kiln body rotation driving assembly, a kiln body supporting assembly and a kiln body smoke exhausting assembly; the kiln body is internally used for placing a test sample; the kiln head end of the kiln body is connected with the burner, the kiln tail end of the kiln body is connected with the kiln body smoke exhaust component, and the kiln body is arranged on the kiln body support component; the kiln body rotation driving assembly is arranged between the kiln body and the kiln body supporting assembly.
The kiln body comprises a shell and a kiln door; the kiln door is positioned at a cylinder opening of the shell and is connected with the shell through a hinge, and a door lock is arranged between the shell and the kiln door; a flame nozzle is arranged in the center of the kiln door and is communicated with a flame outlet of the burner; a flue gas outlet is arranged in the center of the bottom of the shell.
And refractory casting material linings are arranged on the inner surfaces of the shell and the kiln door.
The kiln door below the flame nozzle is provided with a discharge opening, the discharge opening is provided with a discharge door, and the discharge door is connected with the kiln door through a hinge.
Two stop rings are arranged on the inner side of the shell, and the radial width of each stop ring is larger than the thickness of the refractory casting material lining.
And a temperature thermocouple is arranged at the top of the shell.
The kiln body rotation driving assembly comprises an outer gear ring, a gear, a speed reducer and a motor; the outer gear is coaxially and fixedly sleeved outside the shell, the speed reducer and the motor are fixedly mounted on the kiln body supporting component, a power output shaft of the motor is connected with a power input shaft of the speed reducer, the gear is fixedly mounted on the power output shaft of the speed reducer, and the gear is meshed with the outer gear.
Limiting baffle wheels are arranged on two axial sides of the outer gear ring and are arranged on the kiln body supporting component through wheel frames.
The kiln body supporting component comprises a lower supporting seat, an upper supporting seat, a jack and supporting wheels; the upper supporting seat is positioned above the lower supporting seat, one end of the upper supporting seat is connected with one end of the lower supporting seat through a hinge, and the hinge is distributed on the same side with the kiln door; the jack is positioned between the other end of the upper supporting seat and the other end of the lower supporting seat, the lower end of the jack is hinged on the lower supporting seat, and the upper end of the jack is hinged on the upper supporting seat; the shell is placed on a supporting wheel, and the supporting wheel is installed on an upper supporting seat through a wheel frame.
The kiln body smoke discharging assembly comprises a smoke discharging channel, a cooling mechanism and a dust removing mechanism; the exhaust flue is fixed on the upper supporting seat through a flue support, one end of the exhaust flue is connected with a flue gas outlet of the shell, and the other end of the exhaust flue is communicated with the atmosphere through a cooling mechanism and a dust removing mechanism in sequence; and a ceramic fiber felt for sealing is filled at the opening between the flue gas outlet and the discharge flue, and the outside of the ceramic fiber felt is compacted and fixed through a sealing gland.
The utility model has the beneficial effects that:
the small rotary kiln suitable for roasting the test sample has more uniform roasting, does not have the phenomenon of caking or insufficient roasting, has higher roasting treatment capacity than a drying box, adopts flame as a roasting heat source, realizes the adjustment of the roasting temperature by changing the size of the flame, can fully utilize the treatment capacity, and avoids the waste of energy sources; the residence time of the test sample in each temperature interval can be ensured by changing the inclination angle of the kiln body and configuring the double material blocking rings, so that a better roasting effect is obtained, and the optimal roasting time in industrial production is discovered; as the roasting adopts flame heating, the method is more suitable for industrial production, and the obtained test parameters are more accurate.
Drawings
FIG. 1 is a schematic view of a small rotary kiln (state one) suitable for roasting test samples according to the present utility model;
FIG. 2 is a schematic view of a small rotary kiln (state two) suitable for roasting test samples according to the present utility model;
FIG. 3 is a view in the direction A of FIG. 1;
in the figure, 1-shell, 2-kiln door, 3-door lock, 4-flame nozzle, 5-fume outlet, 6-refractory casting material lining, 7-discharge opening, 8-discharge door, 9-baffle ring, 10-temperature thermocouple, 11-outer ring, 12-limit baffle wheel, 13-lower support seat, 14-upper support seat, 15-jack, 16-support wheel, 17-discharge flue, 18-flue support, 19-ceramic fiber mat and 20-sealing gland.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 to 3, a small rotary kiln suitable for roasting test samples comprises a kiln body, a burner, a kiln body rotation driving assembly, a kiln body supporting assembly and a kiln body smoke exhausting assembly; the kiln body is internally used for placing a test sample; one end of the kiln body is connected with the burner, the other end of the kiln body is connected with the kiln body smoke exhaust component, and the kiln body is arranged on the kiln body support component; the kiln body rotation driving assembly is arranged between the kiln body and the kiln body supporting assembly.
The kiln body comprises a shell 1 and a kiln door 2; the kiln door 2 is positioned at a cylinder opening of the shell 1, the kiln door 2 is connected with the shell 1 through a hinge, and a door lock 3 is arranged between the shell 1 and the kiln door 2; a flame nozzle 4 is arranged at the center of the kiln door 2, and the flame nozzle 4 is communicated with a flame outlet of the burner; a flue gas outlet 5 is arranged in the center of the bottom of the shell 1.
Refractory casting material lining 6 is arranged on the inner surfaces of the shell 1 and the kiln door 2.
The kiln door 2 below the flame nozzle 3 is provided with a discharge opening 7, a discharge door 8 is arranged at the discharge opening 7, and the discharge door 8 is connected with the kiln door 2 through a hinge.
Two stop rings 9 are arranged on the inner side of the shell 1, and the radial width of each stop ring 9 is larger than the thickness of the refractory casting material lining 6.
A temperature thermocouple 10 is arranged at the top of the shell 1.
The kiln body rotation driving assembly comprises an outer gear ring 11, a gear, a speed reducer and a motor; the outer gear ring 11 is coaxially and fixedly sleeved outside the shell 1, the speed reducer and the motor are fixedly arranged on the kiln body supporting component, a power output shaft of the motor is connected with a power input shaft of the speed reducer, the gear is fixedly arranged on the power output shaft of the speed reducer, and the gear is meshed with the outer gear ring 11.
Limiting baffle wheels 12 are arranged on two axial sides of the outer gear ring 11, and the limiting baffle wheels 12 are arranged on the kiln body supporting component through wheel frames.
The kiln body supporting component comprises a lower supporting seat 13, an upper supporting seat 14, a jack 15 and supporting wheels 16; the upper supporting seat 14 is positioned above the lower supporting seat 13, one end of the upper supporting seat 14 is connected with one end of the lower supporting seat 13 through a hinge, and the hinge is distributed on the same side with the kiln door 2; the jack 15 is positioned between the other end of the upper supporting seat 14 and the other end of the lower supporting seat 13, the lower end of the jack 15 is hinged on the lower supporting seat 13, and the upper end of the jack 15 is hinged on the upper supporting seat 14; the housing 1 is placed on a support wheel 16, the support wheel 16 being mounted on the upper support base 14 by means of a wheel carrier.
The kiln body smoke discharging assembly comprises a smoke discharging flue 17, a cooling mechanism and a dust removing mechanism; the exhaust flue 17 is fixed on the upper supporting seat 14 through a flue bracket 18, one end of the exhaust flue 17 is connected with the flue gas outlet 5 of the shell 1, and the other end of the exhaust flue 17 is communicated with the atmosphere through a cooling mechanism and a dust removing mechanism in sequence; a ceramic fiber felt 19 for sealing is filled at the opening between the flue gas outlet 5 and the exhaust flue 17, and the outside of the ceramic fiber felt 19 is compacted and fixed by a sealing gland 20.
The following describes a one-time use procedure of the present utility model with reference to the accompanying drawings:
in the embodiment, the diameter of the kiln body of the small rotary kiln is 1m, and the axial length of the kiln body is 1.6m. Firstly, the handle on the door lock 3 is reversely rotated to unlock, then the kiln door 2 is opened, a test sample is sent into the kiln body and approaches the kiln tail side where the flue gas outlet 5 is positioned, then the kiln door 2 is closed, and finally, the handle on the door lock 3 is positively rotated to realize the compression locking of the kiln door 2.
After the kiln door 2 is locked, a burner is started, flame generated by the burner enters the kiln body through a flame nozzle 4, the kiln body is heated through the flame, meanwhile, a motor in a kiln body rotation driving assembly is started, a gear is driven to rotate through a speed reducer, an outer gear ring 11 meshed with the gear is driven to rotate by the gear, and under the supporting and guiding effects of a limiting baffle wheel 12 and a supporting wheel 16, the kiln body can synchronously rotate along with the outer gear ring 11.
When the kiln body starts to rotate, the roasting time is set according to different specific test samples, the roasting time of the test samples can be regulated and controlled through the lifting inclination angle of the kiln body, the upper supporting seat 14 of the kiln body supporting assembly is lifted specifically through the starting jack 15, the included angle between the upper supporting seat 14 and the lower supporting seat 13 is changed, the larger the included angle between the upper supporting seat 14 and the lower supporting seat is, the shorter the time of the test samples from the kiln tail side rolling to the kiln head side is, the smaller the included angle between the upper supporting seat and the lower supporting seat is, the longer the time of the test samples from the kiln tail side rolling to the kiln head side is, and in the process of the test sample rolling and sliding, the retention time of the test samples in each temperature interval can be regulated and controlled further through the retaining effect of the front retaining ring and the rear retaining ring 9, so that a better roasting effect is obtained.
In the roasting process of the test sample, the temperature in the kiln body is measured in real time through the temperature thermocouples 10 at the kiln tail side and the kiln head side, the measured temperature data is fed back to the burner in real time, and the burner automatically adjusts the flame quantity according to the temperature feedback so as to ensure the stability of the temperature in the kiln body.
In the roasting process of the test sample, the flue gas generated in the kiln body firstly enters the cooling mechanism through the discharge flue 17 to cool, then enters the dust removing mechanism to remove dust, and finally the flue gas reaching the emission standard is discharged.
After the roasting of the test sample is completed, firstly, the burner is closed, after the discharging door 8 rotates to the lowest position along with the kiln door 2, the motor in the kiln body rotation driving assembly is suspended, a receiving groove is placed below the discharging door 8, then the discharging door 8 is opened, at the moment, a part of the roasted test sample slides down to the receiving groove below through the discharging opening 7, in order to smoothly discharge the residual test sample in the kiln body, the motor in the kiln body rotation driving assembly is restarted, the operation mode is to perform small-angle forward and reverse reciprocating swing, and then the kiln body is driven to synchronously perform small-angle forward and reverse reciprocating swing until all the residual test sample in the kiln body slides down to the receiving groove below from the discharging opening 7, then the jack 15 is controlled to retract and reset, the kiln body is restored to be horizontal, finally, the discharging door 8 is closed, and the roasting operation of the test sample is finished.
The embodiments are not intended to limit the scope of the utility model, but rather are intended to cover all equivalent implementations or modifications that can be made without departing from the scope of the utility model.
Claims (10)
1. The utility model provides a small-size rotary kiln suitable for test sample calcination which characterized in that: comprises a kiln body, a burner, a kiln body rotary driving assembly, a kiln body supporting assembly and a kiln body smoke exhausting assembly; the kiln body is internally used for placing a test sample; one end of the kiln body is connected with the burner, the other end of the kiln body is connected with the kiln body smoke exhaust component, and the kiln body is arranged on the kiln body support component; the kiln body rotation driving assembly is arranged between the kiln body and the kiln body supporting assembly.
2. A small rotary kiln for roasting test samples according to claim 1, characterized in that: the kiln body comprises a shell and a kiln door; the kiln door is positioned at a cylinder opening of the shell and is connected with the shell through a hinge, and a door lock is arranged between the shell and the kiln door; a flame nozzle is arranged in the center of the kiln door and is communicated with a flame outlet of the burner; a flue gas outlet is arranged in the center of the bottom of the shell.
3. A small rotary kiln for roasting test samples according to claim 2, characterized in that: and refractory casting material linings are arranged on the inner surfaces of the shell and the kiln door.
4. A small rotary kiln for roasting test samples according to claim 2, characterized in that: the kiln door below the flame nozzle is provided with a discharge opening, the discharge opening is provided with a discharge door, and the discharge door is connected with the kiln door through a hinge.
5. A small rotary kiln for roasting test samples according to claim 3, characterized in that: two stop rings are arranged on the inner side of the shell, and the radial width of each stop ring is larger than the thickness of the refractory casting material lining.
6. A small rotary kiln for roasting test samples according to claim 2, characterized in that: and a temperature thermocouple is arranged at the top of the shell.
7. A small rotary kiln for roasting test samples according to claim 2, characterized in that: the kiln body rotation driving assembly comprises an outer gear ring, a gear, a speed reducer and a motor; the outer gear is coaxially and fixedly sleeved outside the shell, the speed reducer and the motor are fixedly mounted on the kiln body supporting component, a power output shaft of the motor is connected with a power input shaft of the speed reducer, the gear is fixedly mounted on the power output shaft of the speed reducer, and the gear is meshed with the outer gear.
8. A small rotary kiln for roasting test samples as claimed in claim 7, wherein: limiting baffle wheels are arranged on two axial sides of the outer gear ring and are arranged on the kiln body supporting component through wheel frames.
9. A small rotary kiln for roasting test samples according to claim 2, characterized in that: the kiln body supporting component comprises a lower supporting seat, an upper supporting seat, a jack and supporting wheels; the upper supporting seat is positioned above the lower supporting seat, one end of the upper supporting seat is connected with one end of the lower supporting seat through a hinge, and the hinge is distributed on the same side with the kiln door; the jack is positioned between the other end of the upper supporting seat and the other end of the lower supporting seat, the lower end of the jack is hinged on the lower supporting seat, and the upper end of the jack is hinged on the upper supporting seat; the shell is placed on a supporting wheel, and the supporting wheel is installed on an upper supporting seat through a wheel frame.
10. A small rotary kiln for roasting test samples according to claim 2, characterized in that: the kiln body smoke discharging assembly comprises a smoke discharging channel, a cooling mechanism and a dust removing mechanism; the exhaust flue is fixed on the upper supporting seat through a flue support, one end of the exhaust flue is connected with a flue gas outlet of the shell, and the other end of the exhaust flue is communicated with the atmosphere through a cooling mechanism and a dust removing mechanism in sequence; and a ceramic fiber felt for sealing is filled at the opening between the flue gas outlet and the discharge flue, and the outside of the ceramic fiber felt is compacted and fixed through a sealing gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320991127.9U CN219810251U (en) | 2023-04-26 | 2023-04-26 | Small rotary kiln suitable for roasting test samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320991127.9U CN219810251U (en) | 2023-04-26 | 2023-04-26 | Small rotary kiln suitable for roasting test samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219810251U true CN219810251U (en) | 2023-10-10 |
Family
ID=88213245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320991127.9U Active CN219810251U (en) | 2023-04-26 | 2023-04-26 | Small rotary kiln suitable for roasting test samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219810251U (en) |
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2023
- 2023-04-26 CN CN202320991127.9U patent/CN219810251U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240129 Address after: 200123, Room 205, No. 2000 Dongming Road, Pudong New Area, Shanghai Patentee after: Shanghai Fengshi Engineering Technology Co.,Ltd. Country or region after: China Address before: 201600 room 211, building 21, 1158 Central Road, Jiuting Town, Songjiang District, Shanghai Patentee before: Shanghai Fengshi Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |