CN201203345Y - Revolving kiln for calcining solid powder material - Google Patents
Revolving kiln for calcining solid powder material Download PDFInfo
- Publication number
- CN201203345Y CN201203345Y CNU2007203102676U CN200720310267U CN201203345Y CN 201203345 Y CN201203345 Y CN 201203345Y CN U2007203102676 U CNU2007203102676 U CN U2007203102676U CN 200720310267 U CN200720310267 U CN 200720310267U CN 201203345 Y CN201203345 Y CN 201203345Y
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- boiler tube
- kiln
- baffle plate
- heater
- solid powder
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model provides a novel rotary kiln used for roasting solid powder material, which comprises a kiln body, a kiln tube arranged I the kiln body, and a heating device arranged outside the kiln tube, a driving device for driving the kiln tube to rotate, a support seat for supporting the kiln body to be arranged horizontally, a sealing device at the end of kiln, a feeding device and a discharge device; the utility model is widely applied in the drying, roasting and activating process of powder metallurgy , ferrous metal, magnetic material, battery material, rare chemical material and other powder materials, so that the heating or constant-temperature time of materials is easier to be controlled.
Description
Technical field
The utility model relates to a kind of kiln that is used for the baked solid powder, especially, relates to a kind of swinging kiln that can control roasting time preferably, can work continuously.
Background technology
The swinging kiln is mainly used in drying, roasting and the activation process of powder body materials such as powder metallurgy, non-ferrous metal, magnetic material, battery material, rare earth chemical industry powder, and production efficiency is higher.It mainly is divided into outer heating and internal heating type two big classes, and two kinds of forms of continous way and batch (-type) are arranged.
By indirect, material moves to discharge end from feed end under the gravity effect material in rotating stove tube during the work of external heating type swinging Industrial Stoves, makes heated material thermally equivalent under dynamically.Usually, the swinging kiln is made up of the parts such as sealing device, feed arrangement and drawing mechanism of cylindrical shell, the drive unit that places the outer heater of cylindrical shell, the rotation of driving cylindrical shell, supporting arrangement, kiln end.Adjust stove tube rotating speed according to every kind of material in the requirement of drying, roasting and activating process, and obtain the time of material heating or constant temperature.And can adjust and control the temperature of each bringing-up section according to the indication of thermometric instrument, thus make material obtain drying, the effect of roasting and activation.Steam that material produces in drying, roasting or activation process and various escaping gas are discharged by exhaust outlet and pipeline, and its condensed water and microgranular dirt are discharged from sewage draining exit; And through the material of super-dry, roasting or activation along with rotating stove tube flows out from discharging opening continuously.If supporting, can make whole drying, roasting or activation process realize the serialization of production process with continuous charging mechanism.
But when rotary furnace is worked continuously, because under some situation, the degree of heat that occurs material sometimes is abundant inadequately, heating or the restive situation of constant temperature time.For example, need longer sintering time, material is stopped the longer time etc. in boiler tube.
Particularly, then even more important for the control of heating or constant temperature time for drying, roasting or the activation process of powder body materials such as battery material.Therefore, being starved of provides a kind of novel kiln, makes the heating or the easier control of constant temperature time of material.
Summary of the invention
At the deficiencies in the prior art, the utility model provides a kind of novel kiln that is used for the baked solid powder, it comprises body of heater, place the boiler tube in the body of heater and place the outer heater of boiler tube, be used to drive the drive unit of boiler tube rotation, be used to support the supporting seat of body of heater horizontal positioned, the sealing device of kiln end, feed arrangement and drawing mechanism, wherein the discharge end of boiler tube is lower than feed end, it is characterized in that, inner peripheral wall upper edge at the end of boiler tube bringing-up section is circumferential, be distributed with several baffle plates equably, parallel to each other between each baffle plate, but the normal of baffle plate and the angle of axis are 15-75 ° (degree), are preferably 18-45 °; The height of baffle plate is 1/6 to 4/5 of a boiler tube internal diameter, is preferably 1/5 to 3/5; Described drive unit can make boiler tube be rotated in the forward or reverse rotation.
In the utility model, relevant baffle plate relevant parameter is mainly considered following aspect: the number that baffle plate is set can make material smoothly by being advisable can make the space between the baffle plate.The angle of baffle plate normal and axis, the length of baffle plate have determined the size of the suffered power of pushing back of material in the rotary kiln, and simultaneously, when the direction of rotation of boiler tube was consistent with the direction of baffle plate, the length of angle and baffle plate had also determined the speed of material kiln discharge in the rotary kiln.The height of baffle plate has determined can keep in the rotary kiln recoverable amount of material.
The described drive unit that is used to drive the boiler tube rotation can be selected buncher for use, and by the forward or reverse of motor, adjusting boiler tube is to be rotated in the forward or reverse rotation.For the thinking that makes the design can realize well, the length of baffle plate should be more than or equal to the ratio of boiler tube girth with baffle plate sheet number, the length of preferred baffle plate should be more than or equal to 1.3 times of the ratio of boiler tube girth and baffle plate sheet number, and promptly 1.3 * (boiler tube girth/baffle plate sheet number).
When rotary furnace is worked continuously, because the discharge end of boiler tube is lower than feed end, therefore along with the rotation of boiler tube is little by little shifted to discharge end with material from feed end.In the utility model, being provided with on boiler tube discharge end inner peripheral wall is not the baffle plate parallel with axis, and this baffle plate and axis shape have a certain degree, and matches with the direction of rotation of boiler tube, and material is flowed out along the space of baffle plate.When the needs long period add thermal material, when not preparing discharging, can be by motor with the boiler tube reverse rotation, make material under the effect of baffle plate, be subjected to backward barrier force, thereby make material remain in the kiln pipe and continued heating.
Usually, rotary furnace stove tube diameter is a 0.3-2.5 rice, rotary furnace stove tube length degree 3-20 rice.Rotary furnace stove tube rotating speed, 0.15-2r/min.
Description of drawings
Fig. 1 is the schematic diagram of the utility model kiln.
Wherein: 1 body of heater; 2 boiler tubes; 3 supporting seats; 4 motors; 5 hoppers; 6 piston batchers; 7 charging boxs; 8 baffle plates; 9 feed boxes; 10 kiln hood sealing devices.
Fig. 2 is the schematic diagram of the interior bringing-up section part circumferentially deploying of boiler tube in the utility model kiln.
Wherein: 8 baffle plates; 2 boiler tubes; The normal of baffle plate 8 and the angle of axis are α.
The specific embodiment
Further describe the utility model below in conjunction with a specific embodiments.Scope of the present utility model is not subjected to the restriction of these embodiment, and scope of the present utility model proposes at claims.
A kind of kiln (see figure 1) that is used for the sintering solid powder, it comprises that the inside of body of heater 1, body of heater comprises rotatable boiler tube 2 and places the outer heating resistor circle of boiler tube to come furnace tubing.Supporting seat 3 is used to support the body of heater horizontal positioned.Motor 4 is used to drive that boiler tube 2 rotates forward or backwards.Material joins in the boiler tube by hopper 5 and piston batcher 6.
Rotary furnace stove tube diameter is 1.5 meters, 6 meters of rotary furnace stove tube length degree, and the rotating speed of boiler tube is controlled at 0.15-2r/min.
But the boiler tube in body of heater partly is a heating region, also can claim bringing-up section.Material is in this bringing-up section drying, roasting or activation.The discharge end of boiler tube is a little less than feed end, so material moves to discharge end gradually.The end of bringing-up section in boiler tube, promptly near on the inner peripheral wall of discharge end, along circumferentially being distributed with ten baffle plates 8 equably, parallel to each other between each baffle plate, but baffle plate and axis shape have a certain degree, the angle α of the normal of baffle plate and axis is 25 ° (seeing shown in Figure 2), and the height of baffle plate is 0.3 meter, and the length of baffle plate is 0.7 meter.
When the needs long period adds thermal material, when not preparing discharging, can make material be subjected to backward barrier force under the effect of baffle plate by motor 4 with the boiler tube reverse rotation, thereby make material remain in the kiln pipe and continued heating.When needing discharging, then by motor 4 boiler tube is rotated in the forward, material is sent to feed box [9] discharging.
Kiln of the present utility model can be widely used in drying, roasting and the activation process of domestic ceramics, high-performance ceramics, refractory material, powder body material, metallurgic auxiliary materials, grinding materials and grinding tool, catalyst, magnetic material, automobile exhaust purifier, anode material of lithium battery etc., can relate to a plurality of industries such as electronics, light industry, building materials, metallurgy, petrochemical industry, environmental protection, new and high technology, have prospects for commercial application well.
Claims (6)
1, a kind of kiln that is used for the baked solid powder, it comprises body of heater, places the boiler tube in the body of heater and places the outer heater of boiler tube, is used to drive sealing device, feed arrangement and the drawing mechanism of the drive unit of boiler tube rotation, the supporting seat that is used to support the body of heater horizontal positioned, kiln end; Wherein the discharge end of boiler tube is lower than feed end, it is characterized in that, inner peripheral wall upper edge at the end of boiler tube bringing-up section circumferentially is distributed with several baffle plates equably, be parallel to each other between each baffle plate, the angle α of the normal of baffle plate and axis is 15-75 °, and the height of baffle plate is 1/6 to 4/5 of a boiler tube internal diameter; Described drive unit can make boiler tube be rotated in the forward or reverse rotation.
2, the kiln that is used for the baked solid powder according to claim 1, the length that it is characterized in that baffle plate is more than or equal to the ratio of boiler tube circumference with baffle plate sheet number.
3, the kiln that is used for the baked solid powder according to claim 1, the length that it is characterized in that baffle plate is more than or equal to 1.3 times of the ratio of boiler tube circumference and baffle plate sheet number.
4, the kiln that is used for the baked solid powder according to claim 1 and 2 is characterized in that the normal of described baffle plate and the angle of axis are 18-45 °.
5, the kiln that is used for the baked solid powder according to claim 1 and 2, the height that it is characterized in that baffle plate are 1/5 to 3/5 of boiler tube internal diameter.
6, a kind of kiln that is used for the sintering solid powder, it comprises that the inside of body of heater [1], body of heater comprises rotatable boiler tube [2] and places the outer heating resistor circle of boiler tube to come furnace tubing, be used to support the supporting seat [3] of body of heater horizontal positioned, be used to drive boiler tube [2] motor rotating [4] forward or backwards, the sealing device of kiln end [10]; Material joins in the boiler tube [2] by hopper [5] and piston batcher [6], and material is sent to feed box [9] discharging after the bringing-up section heating of boiler tube;
It is characterized in that, be distributed with several baffle plates [8] circumferentially, equably in the inner peripheral wall upper edge of the end of boiler tube bringing-up section, parallel to each other between each baffle plate, but the angle α of the normal of baffle plate and axis is 18---45 °; The height of baffle plate be the boiler tube internal diameter be 1/5 to 3/5; Described drive unit can make boiler tube be rotated in the forward or reverse rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203102676U CN201203345Y (en) | 2007-12-10 | 2007-12-10 | Revolving kiln for calcining solid powder material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203102676U CN201203345Y (en) | 2007-12-10 | 2007-12-10 | Revolving kiln for calcining solid powder material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201203345Y true CN201203345Y (en) | 2009-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203102676U Expired - Fee Related CN201203345Y (en) | 2007-12-10 | 2007-12-10 | Revolving kiln for calcining solid powder material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201203345Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140174256A1 (en) * | 2011-02-18 | 2014-06-26 | Sumitomo Metal Mining Co., Ltd. | Valuable metal recovery method |
| CN104218222A (en) * | 2014-08-29 | 2014-12-17 | 江苏华东锂电技术研究院有限公司 | Powder sintering system |
| CN104848661A (en) * | 2015-05-22 | 2015-08-19 | 成都恩承油气有限公司 | Novel rotary furnace adopting microwaves as energy resource |
| CN105271159A (en) * | 2015-09-30 | 2016-01-27 | 宜昌鸿昌电子有限责任公司 | Ladle revolving furnace |
| CN106482505A (en) * | 2016-11-28 | 2017-03-08 | 攀枝花市钛都化工有限公司 | A kind of rotary furnace with boiler tube |
| CN112938987A (en) * | 2021-01-08 | 2021-06-11 | 江苏神汇新型陶瓷材料科技有限公司 | High-temperature phase change method for high-purity silicon dioxide |
-
2007
- 2007-12-10 CN CNU2007203102676U patent/CN201203345Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140174256A1 (en) * | 2011-02-18 | 2014-06-26 | Sumitomo Metal Mining Co., Ltd. | Valuable metal recovery method |
| US8951331B2 (en) * | 2011-02-18 | 2015-02-10 | Sumitomo Metal Mining Co. Ltd | Valuable metal recovery method |
| CN104218222A (en) * | 2014-08-29 | 2014-12-17 | 江苏华东锂电技术研究院有限公司 | Powder sintering system |
| CN104218222B (en) * | 2014-08-29 | 2016-06-22 | 江苏华东锂电技术研究院有限公司 | Powder sintering system |
| CN104848661A (en) * | 2015-05-22 | 2015-08-19 | 成都恩承油气有限公司 | Novel rotary furnace adopting microwaves as energy resource |
| CN105271159A (en) * | 2015-09-30 | 2016-01-27 | 宜昌鸿昌电子有限责任公司 | Ladle revolving furnace |
| CN106482505A (en) * | 2016-11-28 | 2017-03-08 | 攀枝花市钛都化工有限公司 | A kind of rotary furnace with boiler tube |
| CN112938987A (en) * | 2021-01-08 | 2021-06-11 | 江苏神汇新型陶瓷材料科技有限公司 | High-temperature phase change method for high-purity silicon dioxide |
| CN112938987B (en) * | 2021-01-08 | 2023-12-05 | 江苏神汇半导体科技有限公司 | High-temperature phase change method for high-purity silicon dioxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20141210 |
|
| EXPY | Termination of patent right or utility model |