CN214842409U - Sintering device for preparing high-permeability manganese-zinc ferrite - Google Patents
Sintering device for preparing high-permeability manganese-zinc ferrite Download PDFInfo
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- CN214842409U CN214842409U CN202120986237.7U CN202120986237U CN214842409U CN 214842409 U CN214842409 U CN 214842409U CN 202120986237 U CN202120986237 U CN 202120986237U CN 214842409 U CN214842409 U CN 214842409U
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Abstract
The utility model relates to a sintering device for preparation of high magnetic conductivity manganese zinc ferrite, including base and the feeding chamber of setting on the base, the intensification stove, the fritting furnace, the cooling furnace, the unloading chamber, material feeding unit, the first gas that intensification stove top was provided with the connection is got device and first heat exchange chamber, and the second gas that the fritting furnace top was provided with the connection is got device, heating device and second heat exchange chamber, and the third gas that the cooling furnace top was provided with the connection is got device, third heat exchange chamber, and first heat exchange chamber, second heat exchange chamber, third heat exchange chamber meet. The utility model discloses set up each continuous and independent processing stove, every processing stove sets up independent gaseous device of preparing with help atmosphere balance, does not need extra gaseous adjustment, makes this course of working more efficient.
Description
Technical Field
The utility model relates to a manganese zinc ferrite preparation field, concretely relates to sintering device for preparation of high magnetic conductivity manganese zinc ferrite.
Background
The Mn-Zn ferrite is one of soft magnetic ferrites, belongs to a spinel structure, and is mostly prepared from oxides of Fe, Mn and Zn and salts thereof by adopting a ceramic process. It has a good initial permeability and is generally used in the frequency range of 1 kHz to 10 MHz. The Mn-Zn ferrite material with high magnetic conductivity is widely applied to anti-electromagnetic interference noise filters, broadband transformers, transmission systems of various communication transmission devices, lighting transformers and electronic ballasts in daily life. The research on the magnetic conductivity of manganese-zinc ferrite materials at home and abroad is very important, and at present, a lot of important factors influencing the performance of the ferrite exist, wherein the important factors include the environmental influence of the processing process, namely, the atmosphere balance needs to be ensured in the sintering process so as to ensure the manganese-zinc ferrite with higher performance. The existing sintering furnace is provided with a cavity for sintering, the preparation of the manganese-zinc ferrite with high magnetic conductivity comprises a plurality of steps, and each step has different requirements on gas components to ensure atmosphere balance, so that independent equipment switching and adjustment are required in each step, the adjustment switching process needs a lot of time consumption, and the preparation efficiency of the manganese-zinc ferrite is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects existing in the prior art, thereby providing a sintering device for preparing manganese zinc ferrite with high magnetic conductivity.
The utility model provides a technical scheme that its technical problem adopted is:
a sintering device for preparing high-permeability manganese-zinc ferrite comprises a base and is characterized in that: the base is provided with a feeding cavity, a heating furnace, a sintering furnace, a cooling furnace, a discharging cavity and a feeding device which are sequentially adjacent, the feeding device comprises a stepping track which penetrates through the heating furnace, the sintering furnace and the cooling furnace and is respectively positioned in the feeding cavity and the discharging cavity at two ends, and a sintering carrier which is arranged on the stepping track and can move along the stepping track, and lifting valves which can be matched with the stepping track to enable the two parts to be separated are arranged between the feeding cavity and the heating furnace, between the heating furnace and the sintering furnace, between the sintering furnace and the cooling furnace and between the cooling furnace and the discharging cavity; a first gas preparation device and a first heat exchange cavity positioned above the first gas preparation device are arranged above the warming furnace, a first gas outlet pipe is connected between the first gas preparation device and the warming furnace, a first gas guide pipe is connected between the first gas preparation device and the first heat exchange cavity, and a first gas inlet pipe is connected between the first heat exchange cavity and the warming furnace; a second gas preparation device, a heating device positioned above the second gas preparation device and a second heat exchange cavity positioned above the heating device and connected with the first heat exchange cavity are arranged above the sintering furnace, a second gas outlet pipe is connected between the second gas preparation device and the sintering furnace, a second gas guide pipe is connected between the second gas preparation device and the heating device, a third gas guide pipe is connected between the heating device and the second heat exchange cavity, and a second gas inlet pipe is connected between the second heat exchange cavity and the sintering furnace; the third gas is provided with the device and is located the third gas and prepares the third heat exchange chamber that the device top and meet with the second heat exchange chamber of preparing above being provided with the third gas in the cooling furnace top, is connected with the third outlet duct between device and the cooling furnace is prepared to the third gas, is connected with the fourth air duct between device and the third heat exchange chamber is prepared to the third gas, is connected with the third inlet duct between third heat exchange chamber and the cooling furnace.
Preferably, a material feeding port matched with the stepping track is arranged in the heating furnace.
Preferably, the first air inlet pipe, the second air inlet pipe and the third air inlet pipe are all provided with circulating devices, and circulating fans are arranged in the circulating devices.
Preferably, a temperature sensor and a heating pipe are further arranged in the circulating device.
Preferably, a cavity channel through which gas can pass is arranged in the first heat exchange cavity, and a heat conduction coating is wrapped outside the first heat exchange cavity; the second heat exchange cavity and the third heat exchange cavity have the same structure as the first heat exchange cavity.
Preferably, the first gas preparation device, the second gas preparation device and the third gas preparation device may be one of an oxygen preparation device, a nitrogen preparation device and a hydrogen preparation device.
Compared with the prior art, the utility model, have following advantage and effect: the device is provided with the connected and independent processing furnaces, each processing furnace is provided with the independent gas preparation device to help atmosphere balance, and compared with the traditional sintering furnace, gas adjustment is not needed according to each sintering process step, so that the time of the whole processing process is saved; the device is only provided with a heating source, carries out gas heating through heat-conducting mode, can satisfy the required gas temperature of different processing stoves, and is better in energy efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a sectional view of the embodiment.
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Examples are given.
As shown in fig. 1-2, the present embodiment includes a base 1, and a feeding cavity 2, a heating furnace 3, a sintering furnace 4, a cooling furnace 5, and a discharging cavity 6, which are disposed on the base 1 and are adjacent to each other in sequence and have communicated inner spaces. The base 1 is further provided with a feeding device, the feeding device comprises a stepping track 71 which penetrates through the heating furnace 3, the sintering furnace 4 and the cooling furnace 5, two ends of the stepping track 71 are respectively located in the feeding cavity 2 and the discharging cavity 6, and a sintering carrier 72 which can move along the stepping track 71 under driving, wherein the sintering carrier 72 is used for placing raw materials to be processed, and the raw materials are driven to move into the discharging cavity 6 along the stepping track 71 after sequentially passing through the heating furnace 3, the sintering furnace 4 and the cooling furnace 5 from one end of the feeding cavity 2 until being taken out. A lifting valve 73 capable of lifting is arranged between the feeding cavity 2 and the warming furnace 3, the bottom of the lifting valve 73 is matched with the stepping track 71 after being lowered, and the space between the feeding cavity 2 and the warming furnace 3 can be relatively separated. Similar lifting valves 73 are arranged between the temperature rising furnace 3 and the sintering furnace 4, between the sintering furnace 4 and the temperature reducing furnace 5 and between the temperature reducing furnace 5 and the discharging cavity 6, and after the lifting valves 73 at two ends of any processing furnace (the temperature rising furnace 3, the sintering furnace 4 and the temperature reducing furnace 5) are closed, the space inside the processing furnace is not communicated with the processing furnaces at two ends, so that the interior of the processing furnace is relatively sealed.
The raw material is placed on a sintering carrier 72 which is moved into the feed chamber 2 by a stepping rail 71, and then conveyed into the temperature raising furnace 3. A first gas extraction device 31 and a first heat exchange chamber 32 located above the first gas extraction device 31 are disposed above the warming furnace 3. Wherein, be connected with first outlet duct 33 between first gas preparation device 31 and the intensification stove 3, be connected with first air duct 34 between first gas preparation device 31 and the first heat exchange chamber 32, be connected with first intake pipe 35 between first heat exchange chamber 32 and the intensification stove 3. The first air inlet pipe 35 is provided with a circulating device 74, the circulating device 74 is internally provided with a circulating fan, and the circulating device 74 is used for enabling the gas to circulate among the warming furnace 3, the first air outlet pipe 33, the first gas preparation device 31, the first air duct 34, the first heat exchange cavity 32, the first air inlet pipe 35 and the warming furnace 3. The first gas preparation device 31 is used for preparing gas for keeping the atmosphere in the temperature rising furnace 3 balanced, the gas is driven by the circulating device 74 to enter the first heat exchange cavity 32, a cavity channel for the gas to pass through is arranged in the first heat exchange cavity 32, the first heat exchange cavity 32 is wrapped by the heat conduction coating 75, and the gas is conducted into the temperature rising furnace 3 through the first gas inlet pipe 35 after the heat exchange with the gas in the high heat source (the second heat exchange cavity 43 in the embodiment) is carried out to achieve the temperature rising effect. In this cycle, the raw material carried into the temperature raising furnace 3 by the sintering carrier 72 is subjected to temperature raising treatment including moisture volatilization, binder removal, and the like.
In this embodiment, the temperature rising furnace 3 is further provided with a material input port 36 that is matched with the stepping rail 71, and after the temperature rising process of the raw material is completed, other raw materials to be subjected to the subsequent processing reaction are input through the material input port 36.
The material after completion of the temperature raising process in the temperature raising furnace 3 is transported into the sintering furnace 4 by the sintering carrier 72. A second gas producing device 41, a heating device 42 positioned above the second gas producing device 41, and a second heat exchange chamber 43 positioned above the heating device 42 and connected to the first heat exchange chamber 32 are arranged above the sintering furnace 4. Wherein, a second air outlet pipe 44 is connected between the second gas preparation device 41 and the sintering furnace 4, a second air duct 45 is connected between the second gas preparation device 41 and the heating device 42, a third air duct 46 is connected between the heating device 42 and the second heat exchange cavity 43, and a second air inlet pipe 47 is connected between the second heat exchange cavity 43 and the sintering furnace 4. The second air inlet pipe 47 is provided with a circulating device 74, the circulating device 74 is internally provided with a circulating fan, and the circulating device 74 is used for enabling the air to circulate among the sintering furnace 4, the second air outlet pipe 44, the second air preparing device 41, the second air guide pipe 45, the heating device 42, the third air guide pipe 46, the second heat exchange cavity 43, the second air inlet pipe 47 and the sintering furnace 4. The second gas preparation device 41 is used for preparing gas for keeping the atmosphere balance in the sintering furnace 4, the gas is driven by the circulating device 74 to enter the heating device 42 for gas heating and then enter the second heat exchange cavity 43, a cavity channel for gas to pass through is arranged in the second heat exchange cavity 43, the second heat exchange cavity 43 is wrapped by the heat conduction coating 75, and high-temperature gas passing through the second heat exchange cavity 43 exchanges heat with gas in a low-heat source (in the embodiment, the first heat exchange cavity 32 and the third heat exchange cavity 52) and then is guided into the sintering furnace 4 through the second gas inlet pipe 47. Under this cycle, the raw material carried into the sintering furnace 4 by the sintering carrier 72 is subjected to a sintering treatment for a certain period of time, including oxygen absorption of the manganese-zinc ferrite, densification of the manganese-zinc ferrite crystal grains, and the like.
The manganese zinc ferrite grains after the sintering treatment in the sintering furnace 4 are transported into the cooling furnace 5 through the sintering carrier 72. A third gas preparation device 51 and a third heat exchange cavity 52 which is positioned above the third gas preparation device 51 and is connected with the second heat exchange cavity 43 are arranged above the cooling furnace 5. Wherein, a third air outlet pipe 53 is connected between the third gas preparation device 51 and the temperature reduction furnace 5, a fourth air duct 54 is connected between the third gas preparation device 51 and the third heat exchange cavity 52, and a third air inlet pipe 55 is connected between the third heat exchange cavity 52 and the temperature reduction furnace 5. The third air inlet pipe 55 is provided with a circulating device 74, the circulating device 74 is internally provided with a circulating fan, and the circulating device 74 is used for enabling the air to circulate among the cooling furnace 5, the third air outlet pipe 53, the third air preparation device 51, the fourth air duct 54, the third heat exchange cavity 52, the third air inlet pipe 55 and the cooling furnace 5. The third gas preparation device 51 is used for preparing gas for keeping the atmosphere balance in the cooling furnace 5, the gas enters the third heat exchange cavity 52 under the driving of the circulating device 74, a cavity channel through which the gas can pass is arranged in the third heat exchange cavity 52, the third heat exchange cavity 52 is wrapped with a heat conduction coating 75, and the gas is introduced into the cooling furnace 5 through the third gas inlet pipe 55 after achieving the effect of temperature rise through heat exchange with the gas in the high heat source (the second heat exchange cavity 43 in the embodiment). Under this cycle, the mn-zn ferrite grains loaded into the cooling furnace 5 through the sintering carrier 72 are subjected to a cooling treatment for a certain period of time, including stable oxygen content of the mn-zn ferrite grains, and the like. The manganese zinc ferrite grains after the temperature reduction treatment in the temperature reduction furnace 5 are conveyed into the discharging cavity 6 through the sintering carrier 72 and then taken out.
The heat conducting coatings 75 with different thicknesses are additionally arranged among the first gas preparation device 31, the second gas preparation device 41 and the third gas preparation device 51 so as to change different heat conducting effects and meet the gas temperature in each processing furnace. In addition, each circulation device 74 is provided with a temperature sensor and a heating pipe, the temperature sensor is used for detecting the temperature of the passing gas, and when the detected gas temperature is lower than the preset temperature, the heating pipe can perform heating to a certain degree to help the circulation gas to be in the preset temperature range.
In this embodiment, the first gas producing device 31, the second gas producing device 41, and the third gas producing device 51 may be one of an oxygen producing device, a nitrogen producing device, and a hydrogen producing device, and the specific shapes may be changed as needed.
The utility model discloses a sintering device that is used for high magnetic conductivity manganese zinc ferrite to prepare sets up each continuous and independent processing stove, and every processing stove sets up independent gas and prepares the device balanced with help atmosphere, compares traditional fritting furnace 4, need not carry out gas adjustment according to each sintering technology step, saves the time of whole course of working. This sintering device only sets up a heating source, carries out gas heating through heat-conducting mode, can satisfy the required gas temperature of different processing stoves, and is better in energy utilization efficiency.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A sintering device for preparing high-permeability manganese-zinc ferrite comprises a base and is characterized in that: the base is provided with a feeding cavity, a heating furnace, a sintering furnace, a cooling furnace, a discharging cavity and a feeding device which are sequentially adjacent, the feeding device comprises a stepping track which penetrates through the heating furnace, the sintering furnace and the cooling furnace and is respectively positioned in the feeding cavity and the discharging cavity at two ends, and a sintering carrier which is arranged on the stepping track and can move along the stepping track, and lifting valves which can be matched with the stepping track to enable the two parts to be separated are arranged between the feeding cavity and the heating furnace, between the heating furnace and the sintering furnace, between the sintering furnace and the cooling furnace and between the cooling furnace and the discharging cavity;
a first gas preparation device and a first heat exchange cavity positioned above the first gas preparation device are arranged above the warming furnace, a first gas outlet pipe is connected between the first gas preparation device and the warming furnace, a first gas guide pipe is connected between the first gas preparation device and the first heat exchange cavity, and a first gas inlet pipe is connected between the first heat exchange cavity and the warming furnace;
a second gas preparation device, a heating device positioned above the second gas preparation device and a second heat exchange cavity positioned above the heating device and connected with the first heat exchange cavity are arranged above the sintering furnace, a second gas outlet pipe is connected between the second gas preparation device and the sintering furnace, a second gas guide pipe is connected between the second gas preparation device and the heating device, a third gas guide pipe is connected between the heating device and the second heat exchange cavity, and a second gas inlet pipe is connected between the second heat exchange cavity and the sintering furnace;
the third gas is provided with the device and is located the third gas and prepares the third heat exchange chamber that the device top and meet with the second heat exchange chamber of preparing above being provided with the third gas in the cooling furnace top, is connected with the third outlet duct between device and the cooling furnace is prepared to the third gas, is connected with the fourth air duct between device and the third heat exchange chamber is prepared to the third gas, is connected with the third inlet duct between third heat exchange chamber and the cooling furnace.
2. The sintering device for the preparation of high permeability manganese zinc ferrite according to claim 1, characterized in that: and a material feeding port matched with the stepping track is arranged in the heating furnace.
3. The sintering device for the preparation of high permeability manganese zinc ferrite according to claim 1, characterized in that: and circulating devices are arranged on the first air inlet pipe, the second air inlet pipe and the third air inlet pipe, and circulating fans are arranged in the circulating devices.
4. The sintering device for the preparation of high permeability manganese zinc ferrite of claim 3, characterized in that: a temperature sensor and a heating pipe are also arranged in the circulating device.
5. The sintering device for the preparation of high permeability manganese zinc ferrite according to claim 1, characterized in that: a cavity channel through which gas can pass is arranged in the first heat exchange cavity, and a heat conduction coating is wrapped outside the first heat exchange cavity; the second heat exchange cavity and the third heat exchange cavity have the same structure as the first heat exchange cavity.
6. The sintering device for the preparation of high permeability manganese zinc ferrite according to any one of claims 1 to 5, characterized in that: the first gas preparation device, the second gas preparation device and the third gas preparation device can be one of an oxygen preparation device, a nitrogen preparation device and a hydrogen preparation device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120986237.7U CN214842409U (en) | 2021-05-10 | 2021-05-10 | Sintering device for preparing high-permeability manganese-zinc ferrite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120986237.7U CN214842409U (en) | 2021-05-10 | 2021-05-10 | Sintering device for preparing high-permeability manganese-zinc ferrite |
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| CN214842409U true CN214842409U (en) | 2021-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115410814A (en) * | 2022-08-04 | 2022-11-29 | 南通三优佳磁业有限公司 | Sintering device of manganese zinc ferrite magnetic powder |
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2021
- 2021-05-10 CN CN202120986237.7U patent/CN214842409U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115410814A (en) * | 2022-08-04 | 2022-11-29 | 南通三优佳磁业有限公司 | Sintering device of manganese zinc ferrite magnetic powder |
| CN115410814B (en) * | 2022-08-04 | 2023-12-15 | 南通三优佳磁业有限公司 | Sintering device for manganese zinc ferrite magnetic powder |
| CN117524703A (en) * | 2022-08-04 | 2024-02-06 | 南通三优佳磁业有限公司 | Novel sintering device for magnetic powder |
| CN117524703B (en) * | 2022-08-04 | 2024-05-28 | 南通三优佳磁业有限公司 | Sintering device for magnetic powder |
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