CN108180758A - A kind of tunnel kiln of sintering soft magnet oxysome - Google Patents
A kind of tunnel kiln of sintering soft magnet oxysome Download PDFInfo
- Publication number
- CN108180758A CN108180758A CN201711284673.4A CN201711284673A CN108180758A CN 108180758 A CN108180758 A CN 108180758A CN 201711284673 A CN201711284673 A CN 201711284673A CN 108180758 A CN108180758 A CN 108180758A
- Authority
- CN
- China
- Prior art keywords
- kiln
- vault
- firing chamber
- layers
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/26—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
- F27B9/262—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers on or in trucks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/045—Furnaces with controlled atmosphere
- F27B9/047—Furnaces with controlled atmosphere the atmosphere consisting of protective gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/32—Casings
- F27B9/34—Arrangements of linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/02—Charges containing ferrous elements
- F27M2001/023—Ferrites
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/02—Charges containing ferrous elements
- F27M2001/026—Ferromagnetic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Abstract
The present invention proposes a kind of tunnel kiln of sintering soft magnet oxysome, including by vault and kiln walled into firing chamber, corundum ceramic pipe, nitrogen tower, air blower, refrigerating compressor, chimney；Vault has two layers of vault, respectively upper strata vault and lower floor's vault, there is air heat-insulation layer between two layers of vault, and two layers of vault is laid with refractory fiber floor close to the side of air heat-insulation layer；Corundum ceramic pipe is arranged on the indoor top surface of kiln and two sides, and resistive heater is wound outside corundum ceramic pipe；The kiln wall of firing chamber both sides is equipped with air inlet hole, and nitrogen tower, air blower and refrigerating compressor are connected by snorkel with the air inlet hole on the kiln wall of firing chamber both sides, and wind turbine is connected on the snorkel that wherein nitrogen tower, refrigerating compressor are connected；Nitrogen tower, air blower and refrigerating compressor are arranged at intervals；Chimney is connect by exhaust column with firing chamber bottom, and exhaust column is equipped with exhaust fan.The present invention can adapt to the process that soft magnetic materials is sintered in nitrogen atmosphere, help to produce the soft magnetic materials of high quality.
Description
Technical field
The invention belongs to furnace equipment fields, and in particular to a kind of tunnel kiln of sintering soft magnet oxysome.
Background technology
Soft magnetic ferrite is a kind of magnetic oxide using di-iron trioxide as core, is mainly used for digital network
In wide-band transformer and switching mode power supply transformer.The preparation method of soft magnet uses metallurgical preparation method, in the mistake of its preparation
It is needed in journey by two-step sintering process, is once to be pre-sintered, the main function of pre-sintering is that the powder after formula, batch mixing is made to exist
Preliminary solid phase reaction occurs under high temperature, obtains formed body by series of processes such as grinding, granulating and formings thereafter, also needs later
Formed body is sintered.The main function of sintering is that formed body is heated at high temperature under normal pressure or pressurization, is made between particle
It is combined with each other, so as to improve the intensity of formed body, excludes the stomata between particle, improve the intensity of material.Soft magnetic ferrite is burnt
It needs to be sintered in the atmosphere of nitrogen during knot, the capital equipment used is tunnel kiln, the air-tightness of kiln, thermal insulation, rationally
Structure design be ensure sintering quality principal element.
Invention content
In order to which tunnel kiln is made to can adapt to the preparation characteristic of soft magnetic ferrite, the present invention proposes a kind of sintering soft magnetism
Ferritic tunnel kiln, which is characterized in that including by vault and kiln walled into firing chamber, corundum ceramic pipe, nitrogen tower, cold air
Compressor, air blower, chimney；The vault has two layers of vault, respectively upper strata vault and lower floor's vault, has time between two layers of vault
Air bound thermosphere, two layers of vault are laid with refractory fiber floor close to the side of air heat-insulation layer；The corundum ceramic pipe is arranged on firing chamber
On interior top surface and two sides, resistive heater is wound outside corundum ceramic pipe；The kiln wall of the firing chamber both sides is equipped with air inlet hole, institute
It states nitrogen tower, air blower and refrigerating compressor to connect with the air inlet hole on the kiln wall of firing chamber both sides by snorkel, wherein nitrogen
Wind turbine is connected on the snorkel that gas tower, refrigerating compressor are connected；Nitrogen tower, air blower and refrigerating compressor are arranged at intervals；Institute
It states chimney to connect with firing chamber bottom by exhaust column, exhaust column is equipped with exhaust fan.
Further, both sides kiln wall is equipped with kiln car gib block in the firing chamber, and the kiln car gib block is on kiln wall
Protrusion which is provided with guide rail bar.
The nitrogen tower, air blower and refrigerating compressor are set to set nitrogen on firing chamber's length direction successively
Tower, refrigerating compressor and air blower, so as to be arranged at intervals two adjacent nitrogen towers.The purpose of such setting is soft in order to adapt to
Heating that magnetic material is undergone in sintering process, heat preservation, cooling process.
Further, bottom is equipped with track in the firing chamber.
Further, the kiln wall is divided into three layers, and outer layer turns for clay, and centre is mullite light brick, and internal layer is made pottery for high temperature
Ceramic tile.
Further, the vault is made of mullite light brick.
The beneficial effects of the invention are as follows：
1st, the present invention can adapt to the process that soft magnetic materials is sintered in nitrogen atmosphere, help to produce the soft magnetism material of high quality
Material；
2nd, the present invention heats in a manner that three faces setting boiler tube in firing chamber heats, and heating rate is fast；
3rd, the present invention from bottom extraction stove in cigarette and hot-air, can fast cooling, improve production efficiency；
4th, vault of the present invention is formed using mullite light brick, and mullite light brick has good high temperature resistance, and with lightweight
The characteristics of high-strength, is conducive to the stabilization of structure.
Description of the drawings
A kind of tunnel kiln connection nitrogen tower section structure diagram of sintering soft magnet oxysomes of Fig. 1.
A kind of tunnel kiln connection air blower cross section structure schematic diagram of sintering soft magnet oxysomes of Fig. 2.
A kind of tunnel kiln connection air compressor cross section structure schematic diagram of sintering soft magnet oxysomes of Fig. 3.
In figure：Vault 1, kiln wall 2, firing chamber 3, corundum ceramic pipe 4, nitrogen tower 5, air blower 6, refrigerating compressor 7, chimney 8, air
Thermal insulation layer 9, air inlet hole 10, snorkel 11, wind turbine 12, exhaust column 13, exhaust fan 14, kiln car gib block 15, guide rail bar 16, track
17。
Specific embodiment
Understand for the ease of related technical personnel in the art, elaborate below in conjunction with the accompanying drawings to the present invention.
As shown in Fig. 1 to Fig. 3, a kind of tunnel kiln of sintering soft magnet oxysome, including what is surrounded by vault 1 and kiln wall 2
Firing chamber 3, corundum ceramic pipe 4, nitrogen tower 5, air blower 6, refrigerating compressor 7, chimney 8.The vault has two layers of vault, respectively
Upper strata vault and lower floor's vault, there is air heat-insulation layer 9 between two layers of vault, and two layers of vault is laid with resistance to close to the side of air heat-insulation layer
Fiery fibrous layer.The corundum ceramic pipe is arranged on the indoor top surface of kiln and two sides, and adding thermal resistance is wound outside corundum ceramic pipe
Silk；The kiln wall of the firing chamber both sides is equipped with air inlet hole 10, and the nitrogen tower, air blower and refrigerating compressor pass through snorkel 11
It is connected with the air inlet hole on the kiln wall of firing chamber both sides, wind turbine is connected on the snorkel that wherein nitrogen tower, refrigerating compressor are connected
12；Nitrogen tower, air blower and refrigerating compressor are arranged at intervals；The chimney is connect by exhaust column 13 with firing chamber bottom, exhausting
Pipe is equipped with exhaust fan 14.
Further, both sides kiln wall is equipped with kiln car gib block 15 in the firing chamber, and the kiln car gib block is on kiln wall
Protrusion, which is provided with guide rail bar 16.
Further, bottom is equipped with track 17 in the firing chamber.
Further, the kiln wall is divided into three layers, and outer layer turns for clay, and centre is mullite light brick, and internal layer is made pottery for high temperature
Ceramic tile.
Further, the vault is made of mullite light brick.
The operation principle of the present invention is that soft magnetic materials can undergo heating, heat preservation, cooling down during sintering, three
A process.In temperature raising period, boiler tube generates heat in kiln, heats up in kiln, and chimney is discharged fume outward, and nitrogen tower is passed through nitrogen into kiln；
Boiler tube part generates heat in soak kiln, heats up in kiln, and chimney is discharged fume outward, and nitrogen tower is passed through nitrogen into kiln；Cooling down
Phase, boiler tube does not generate heat in kiln, and chimney is discharged fume outward, and nitrogen tower is passed through nitrogen air blower into kiln and air is passed through into kiln；Cold
But the phase, boiler tube does not generate heat in kiln, and air compressor is passed through cold air drop point cooling into kiln.
Claims (5)
1. a kind of tunnel kiln of sintering soft magnet oxysome, which is characterized in that including by vault and kiln walled into firing chamber, corundum
Ceramic tube, nitrogen tower, air blower, refrigerating compressor, chimney；The vault has two layers of vault, respectively upper strata vault and lower floor
Vault, there is air heat-insulation layer between two layers of vault, and two layers of vault is laid with refractory fiber floor close to the side of air heat-insulation layer；It is described firm
Beautiful ceramic tube is arranged on the indoor top surface of kiln and two sides, and resistive heater is wound outside corundum ceramic pipe；The firing chamber both sides
Kiln wall be equipped with air inlet hole, the nitrogen tower, air blower and refrigerating compressor are by the kiln wall of snorkel and firing chamber both sides
Air inlet hole connection, be connected with wind turbine on the snorkel that wherein nitrogen tower, refrigerating compressor are connected；Nitrogen tower, air blower and cold
Air compressor is arranged at intervals；The chimney is connect by exhaust column with firing chamber bottom, and exhaust column is equipped with exhaust fan.
2. the tunnel kiln of a kind of sintering soft magnet oxysome as described in claims 1, which is characterized in that in the firing chamber
Both sides kiln wall is equipped with kiln car gib block, and the kiln car gib block is the protrusion on kiln wall, which is provided with guide rail bar.
3. the tunnel kiln of a kind of sintering soft magnet oxysome as described in claims 1, which is characterized in that in the firing chamber
Bottom is equipped with track.
A kind of 4. tunnel kiln of sintering soft magnet oxysome as described in claims 1 to 3, which is characterized in that the kiln wall
It is divided into three layers, outer layer turns for clay, and centre is mullite light brick, and internal layer is refractory ceramics brick.
A kind of 5. tunnel kiln of sintering soft magnet oxysome as described in claims 1 to 3, which is characterized in that the vault
It is made of mullite light brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284673.4A CN108180758A (en) | 2017-12-07 | 2017-12-07 | A kind of tunnel kiln of sintering soft magnet oxysome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284673.4A CN108180758A (en) | 2017-12-07 | 2017-12-07 | A kind of tunnel kiln of sintering soft magnet oxysome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108180758A true CN108180758A (en) | 2018-06-19 |
Family
ID=62545865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711284673.4A Pending CN108180758A (en) | 2017-12-07 | 2017-12-07 | A kind of tunnel kiln of sintering soft magnet oxysome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108180758A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29623580U1 (en) * | 1996-08-21 | 1998-11-19 | Wistra Thermoprozesstech | Furnace for sintering soft ferritic moldings |
| CN201653128U (en) * | 2010-03-11 | 2010-11-24 | 湖南华磁磁性科技有限公司 | Heating batching out unit of soft ferrite sintering kiln |
| CN105174257A (en) * | 2015-05-31 | 2015-12-23 | 浙江富来森能源科技有限公司 | Roller-type multi-temperature section continuous production tunnel kiln |
| CN205175096U (en) * | 2015-10-16 | 2016-04-20 | 湖北华祥合金有限公司 | Full -automatic pair of push pedal nitrogen protection kiln |
| CN105546977A (en) * | 2016-02-04 | 2016-05-04 | 新疆硅质耐火材料有限公司 | Flame-proof gas energy-saving double-push-plate kiln, vanadium-nitrogen alloy device and preparation method |
| CN206207992U (en) * | 2016-08-29 | 2017-05-31 | 贵州黄平富城实业有限公司 | A kind of high-efficiency tunnel kiln |
-
2017
- 2017-12-07 CN CN201711284673.4A patent/CN108180758A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29623580U1 (en) * | 1996-08-21 | 1998-11-19 | Wistra Thermoprozesstech | Furnace for sintering soft ferritic moldings |
| CN201653128U (en) * | 2010-03-11 | 2010-11-24 | 湖南华磁磁性科技有限公司 | Heating batching out unit of soft ferrite sintering kiln |
| CN105174257A (en) * | 2015-05-31 | 2015-12-23 | 浙江富来森能源科技有限公司 | Roller-type multi-temperature section continuous production tunnel kiln |
| CN205175096U (en) * | 2015-10-16 | 2016-04-20 | 湖北华祥合金有限公司 | Full -automatic pair of push pedal nitrogen protection kiln |
| CN105546977A (en) * | 2016-02-04 | 2016-05-04 | 新疆硅质耐火材料有限公司 | Flame-proof gas energy-saving double-push-plate kiln, vanadium-nitrogen alloy device and preparation method |
| CN206207992U (en) * | 2016-08-29 | 2017-05-31 | 贵州黄平富城实业有限公司 | A kind of high-efficiency tunnel kiln |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105423748B (en) | A kind of warm area is mutually wrong to arrange double-layer roller hearth furnace | |
| CN206339094U (en) | Heating using microwave produces the product line device of alloy | |
| CN103940228A (en) | High-temperature lifting furnace | |
| CN207439136U (en) | A kind of rotary kiln heat insulation layer structure | |
| WO2020078063A1 (en) | Roller kiln device for large-scale foamed ceramic | |
| CN208059546U (en) | The box atmosphere roller furnace of ternary | |
| CN203148211U (en) | High-temperature lifting furnace | |
| CN102620559B (en) | Novel tunnel-type folded-rail continuous sintering furnace and sintering method thereof | |
| CN106546096B (en) | The product line device and production method of microwave heating production alloy | |
| CN105218075B (en) | The method that continous way fires antique building product | |
| CN112179130B (en) | Bell jar furnace with high-temperature uniformity | |
| CN106594791A (en) | Heat accumulating type heat preservation boiler | |
| CN108180758A (en) | A kind of tunnel kiln of sintering soft magnet oxysome | |
| CN204100788U (en) | A kind of rare earth roller kilns | |
| CN110057192A (en) | A kind of large scale push plate nitrogen atmosphere protection sintering furnace | |
| CN209960963U (en) | Heat treatment kiln | |
| CN106556003A (en) | A kind of energy-saving type heat-preserving boiler | |
| CN213238399U (en) | Tunnel kiln | |
| CN206204355U (en) | A kind of radiant heating device | |
| CN205027122U (en) | Thermistor pottery porcelain core piece fritting furnace | |
| CN207894229U (en) | A kind of tunnel oven device of brick firing | |
| CN203928710U (en) | A kind of large section firing bricks with industrial wastes tunnel cave | |
| CN203432294U (en) | Energy-saving improved wide-cross-section sintered brick tunnel kiln | |
| CN106765058A (en) | A kind of energy saving and environment friendly heat-preserving boiler | |
| CN208108825U (en) | A kind of anti-thermal shock light kiln vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180619 |
|
| RJ01 | Rejection of invention patent application after publication |