CN219160970U

CN219160970U - Energy-saving aluminum nitride ceramic sintering furnace

Info

Publication number: CN219160970U
Application number: CN202223401068.XU
Authority: CN
Inventors: 黄文思; 林坤岩; 施纯锡; 冯家伟
Original assignee: FUJIAN HUAQING ELECTRONIC MATERIAL TECHNOLOGY CO LTD
Current assignee: FUJIAN HUAQING ELECTRONIC MATERIAL TECHNOLOGY CO LTD
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-09
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to an energy-type aluminum nitride ceramic sintering furnace, which comprises a sintering furnace, a decarbonizing furnace and a heat conducting component, wherein a first heat conducting cavity is formed in the side wall of the sintering furnace, the first heat conducting cavity is positioned in two corresponding side walls of the sintering furnace and the upper surface of the sintering furnace, a second heat conducting cavity is formed in the side wall of the decarbonizing furnace, the second heat conducting cavity is positioned in the two corresponding side walls of the decarbonizing furnace and the upper surface of the decarbonizing furnace, the sintering furnace and the decarbonizing furnace are arranged at intervals left and right, heat conducting oil is filled in the first heat conducting cavity and the second heat conducting cavity, the first heat conducting cavity is communicated with the second heat conducting cavity, the heat conducting component comprises a first liquid pump and a second liquid pump, the first heat conducting cavity is communicated with the output end of the first liquid pump, the input end of the second heat conducting cavity is communicated with the output end of the second liquid pump, and by adopting the sintering furnace, heat of the sintering furnace can flow to the second heat conducting cavity through the heat conducting oil in the first heat conducting cavity in the sintering furnace, and the heat conducting oil can be brought into the second cavity for reasonable utilization, and more energy saving.

Description

Energy-saving aluminum nitride ceramic sintering furnace

Technical Field

The utility model belongs to the technical field of sintering devices, and particularly relates to an energy-saving aluminum nitride ceramic sintering furnace.

Background

The existing energy-saving sintering furnace is horizontal and small in size, the heat-insulating material is paved on the peripheral surface of the sintering furnace in an energy-saving mode, so that the heat of the inner cavity of the sintering furnace is not easy to lose, the inner cavity of the sintering furnace is communicated with a nitrogen inlet pipe and a tail gas exhaust pipe, the sintering temperature can reach 1400-1600 ℃ through an electric heating mode, when aluminum oxide powder and carbon black powder are sintered to be aluminum nitride, the mixture is also required to be placed into a decarbonizing furnace for decarbonizing treatment, the decarbonizing temperature is 400-600 ℃, the existing sintering furnace and the heating mode of the decarbonizing furnace are independent, the temperature difference of the sintering furnace and the temperature difference of the decarbonizing furnace are large, the temperature of the sintering furnace can be fully and reasonably utilized, and the sintering furnace with more energy saving is designed.

Disclosure of Invention

In view of the defects in the prior art, the technical problem to be solved by the utility model is to provide the energy-saving aluminum nitride ceramic sintering furnace, which can flow to the second heat conduction cavity through the heat conduction oil in the first heat conduction cavity in the sintering furnace, and the heat of the sintering furnace can be brought into the second cavity by the heat conduction oil for reasonable utilization, so that the energy is saved.

In order to solve the technical problems, the utility model adopts the following technical scheme: energy-saving aluminum nitride ceramic sintering furnace, including fritting furnace, decarbonization stove and heat conduction subassembly, be formed with first heat conduction chamber in the fritting furnace lateral wall, first heat conduction chamber is located two corresponding lateral walls of fritting furnace and in the upper surface of fritting furnace, be formed with the second heat conduction chamber in the decarbonization stove lateral wall, the second heat conduction chamber is located two corresponding lateral walls of decarbonization stove and in the upper surface of decarbonization stove, interval sets up about fritting furnace and the decarbonization stove, first heat conduction chamber and second heat conduction intracavity packing conduction oil, first heat conduction chamber and second heat conduction chamber are linked together, the heat conduction subassembly includes first liquid pump and second liquid pump, first heat conduction chamber and first liquid pump output intercommunication, second heat conduction chamber and second liquid pump input intercommunication, first liquid pump input and second liquid pump output intercommunication.

Further, the heat conduction assembly further comprises a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is used for communicating the first heat conduction cavity and the second heat conduction cavity, and the second connecting pipe is used for connecting the first liquid pump and the second liquid pump.

Further, a first through hole is formed in the inner lower portion of the furnace wall of the sintering furnace, a second through hole is formed in the inner lower portion of the furnace wall of the carbon removal furnace, and the second connecting pipe penetrates through the first through hole and the second through hole.

Further, the upper end of the inner cavity of the sintering furnace is connected with a plurality of first heat conduction pipes, and two ends of each first heat conduction pipe are respectively communicated with the first heat conduction cavity.

Further, a first air inlet hole and a first air outlet hole are formed in the peripheral surface of the sintering furnace.

Further, a second air inlet hole and a second air outlet hole are formed in the peripheral surface of the carbon removing furnace.

Further, the first connecting pipe is located between the carbon removing furnace and the sintering furnace, and two ends of the first connecting pipe are respectively communicated with the lower ends of the first heat conducting cavity and the lower ends of the second heat conducting cavity.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the sintering furnace and the decarbonization furnace work, the first liquid pump and the second liquid pump start to work, the first liquid pump is used for frying the heat conduction oil in the first heat conduction cavity, the heat conduction oil absorbed by the first heat conduction cavity moves to the second heat conduction cavity to supply heat to the non-decarbonization furnace, so that the decarbonization furnace does not need a high-power heating assembly to heat the heat conduction oil, the heat conduction oil flowing out of the second heat conduction cavity flows to the second liquid pump, and the second liquid pump is used for conveying the heat conduction oil into the first liquid pump to form circulation.

2. The first heat conduction cavity and the second heat conduction cavity are not only used for heat conduction oil to transfer heat energy, but also have the heat preservation effect.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of an energy-saving aluminum nitride ceramic sintering furnace according to the present utility model;

FIG. 2 is a schematic sectional view of the energy-saving aluminum nitride ceramic sintering furnace according to the present utility model.

The marks in the figure: 1. a sintering furnace; 11. a first heat conducting cavity; 12. a first heat conduction pipe; 13. a first air inlet hole; 14. a first air outlet hole; 2. a decarbonizing furnace; 21. a second heat conducting cavity; 22. a second air inlet hole; 23. a second air outlet hole; 3. a first liquid pump; 4. a second liquid pump; 5. a first connection pipe; 6. and a second connection pipe.

Detailed Description

In order to make the above features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1-2, the present embodiment provides an energy-saving aluminum nitride ceramic sintering furnace 1, the energy-saving aluminum nitride ceramic sintering furnace 1.

There is first electrical heating subassembly in the fritting furnace 1, is formed with first heat conduction chamber 11 in fritting furnace 1 lateral wall, and first heat conduction chamber 11 is located in two corresponding lateral walls of fritting furnace 1 and the upper surface of fritting furnace 1, and first heat conduction chamber 11 intussuseption is filled with the conduction oil. The peripheral surface of the sintering furnace 1 is provided with a first air inlet hole 13 and a first air outlet hole 14, and the arrangement of the first heat conduction cavity 11 plays a role in heat preservation of the sintering furnace 1. The first air inlet hole 13 is connected with a nitrogen inlet pipe, the first air inlet hole is used for feeding nitrogen, the first air inlet hole 13 is not communicated with the first heat conduction cavity 11, the first air outlet hole 14 is connected with a first tail gas discharge pipe, and the first air outlet hole 14 is not communicated with the first heat conduction cavity 11. The upper end of the inner cavity of the sintering furnace 1 is connected with a plurality of first heat conduction pipes 12, the quantity of the first heat conduction pipes 12 is set according to the second actual condition, two ends of each first heat conduction pipe 12 are respectively communicated with the first heat conduction cavity 11, the contact area between each first heat conduction pipe 12 and the inner cavity of the sintering furnace 1 is large, the heat conduction oil flowing through each first heat conduction pipe 12 is fast in heating speed and high in heat quantity, and the heat can be quickly absorbed and transferred into the first heat conduction cavity 11.

There is the second electrical heating subassembly in the decarbonization stove 2, is formed with second heat conduction chamber 21 in the decarbonization stove 2 lateral wall, and second heat conduction chamber 21 is located in two corresponding lateral walls of decarbonization stove 2 and the upper surface of decarbonization stove 2, and the setting of second heat conduction chamber 21 has played the heat retaining function of decarbonization stove 2. The second heat conduction chamber 21 is filled with heat conduction oil. The peripheral surface of the decarbonization furnace 2 is provided with a second air inlet hole 22 and a second air outlet hole 23, the second air inlet hole 22 is connected with the air inlet pipe, the second air inlet hole 22 is not communicated with the second heat conduction cavity 21, the second air inlet hole 22 is used for introducing air, the second air outlet hole 23 is connected with a second tail gas discharge pipe, and the second air outlet hole 23 is not communicated with the second heat conduction cavity 21.

The heat conduction assembly comprises a first liquid pump 3, a second liquid pump 4, a first connecting pipe 5 and a second connecting pipe 6, wherein the first connecting pipe 5 is used for communicating a first heat conduction cavity 11 and a second heat conduction cavity 21, specifically, the first connecting pipe 5 is positioned between the carbon removal furnace 2 and the sintering furnace 1, and two ends of the first connecting pipe 5 are respectively communicated with the lower ends of the first heat conduction cavity 11 and the lower ends of the second heat conduction cavity 21. The second connecting pipe 6 is used for connecting the first liquid pump 3 and the second liquid pump 4, the heat conduction oil is conveyed through the first liquid pump 3 and exceeds the first heat conduction cavity 11, the heat conduction oil in the first heat conduction cavity 11 tends to flow to the second heat conduction cavity 21, the heat conduction oil brings the first heat conduction cavity 11 to transfer heat to the second heat conduction cavity 21, heat is supplied to the carbon removal furnace 2, the carbon removal furnace 2 is heated and has a certain temperature due to the fact that the heat conduction oil in the second heat conduction cavity 21 is heated in the carbon removal furnace 2, a geothermal electric heating assembly of the carbon removal furnace 2 does not need to conduct a large amount of power generation to supply heat to the carbon removal furnace 2, the energy is saved, the environment is protected, the heat conduction oil in the second heat conduction cavity 21 is finally reserved to the second liquid pump 4, and then the second liquid pump 4 conveys the heat conduction oil into the first liquid pump 3 through the second connecting pipe 6, so that circulation is formed.

Preferably, a first through hole is formed at the inner lower part of the furnace wall of the sintering furnace 1, a second through hole is formed at the inner lower part of the furnace wall of the decarbonization furnace 2, and the second connecting pipe 6 penetrates through the first through hole and the second through hole, so that heat exchange can be performed again through the sintering furnace 1 when the second liquid pump 4 conveys the heat conducting oil back to the first liquid pump 3 through the arrangement.

Working principle: when the sintering furnace 1 and the carbon removal furnace 2 are in operation, the first liquid pump 3 and the second liquid pump 4 start to operate, the first liquid pump 3 is used for frying the heat conduction oil in the first heat conduction cavity 11, the heat conduction oil absorbing heat in the first heat conduction cavity 11 moves to the second heat conduction cavity 21 and does not remove the carbon removal furnace 2 for supplying heat, the second heating component in the carbon removal furnace 2 does not need to be in high-power operation for supplying heat for the carbon removal furnace 2, the heat conduction oil flowing out of the second heat conduction cavity 21 flows to the second liquid pump 4, and the second liquid pump 4 is used for conveying the heat conduction oil into the first liquid pump 3 for circulation.

While the basic principles and main features of the utility model and advantages of the utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims

1. The energy-saving aluminum nitride ceramic sintering furnace is characterized in that: including fritting furnace, decarbonization stove and heat conduction subassembly, be formed with first heat conduction chamber in the fritting furnace lateral wall, first heat conduction chamber is located two corresponding lateral walls of fritting furnace and the upper surface of fritting furnace, be formed with the second heat conduction chamber in the decarbonization stove lateral wall, the second heat conduction chamber is located two corresponding lateral walls of decarbonization stove and the upper surface of decarbonization stove, interval sets up about fritting furnace and the decarbonization stove, first heat conduction chamber and second heat conduction intracavity packing conduction oil, first heat conduction chamber and second heat conduction chamber are linked together, the heat conduction subassembly includes first liquid pump and second liquid pump, first heat conduction chamber and first liquid pump output intercommunication, second heat conduction chamber and second liquid pump input intercommunication, first liquid pump input and second liquid pump output intercommunication.

2. The energy-saving aluminum nitride ceramic sintering furnace according to claim 1, wherein: the heat conduction assembly further comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is used for communicating the first heat conduction cavity and the second heat conduction cavity, and the second connecting pipe is used for connecting the first liquid pump and the second liquid pump.

3. The energy-saving aluminum nitride ceramic sintering furnace according to claim 2, wherein: the sintering furnace is characterized in that a first through hole is formed in the inner lower portion of the furnace wall of the sintering furnace, a second through hole is formed in the inner lower portion of the furnace wall of the carbon removal furnace, and the second connecting pipe penetrates through the first through hole and the second through hole.

4. The energy-saving aluminum nitride ceramic sintering furnace according to claim 1, wherein: the upper end of the inner cavity of the sintering furnace is connected with a plurality of first heat conduction pipes, and two ends of each first heat conduction pipe are respectively communicated with the first heat conduction cavity.

5. The energy-saving aluminum nitride ceramic sintering furnace according to claim 1, wherein: the peripheral surface of the sintering furnace is provided with a first air inlet hole and a first air outlet hole.

6. The energy-saving aluminum nitride ceramic sintering furnace according to claim 1, wherein: the peripheral surface of the carbon removing furnace is provided with a second air inlet hole and a second air outlet hole.

7. The energy-saving aluminum nitride ceramic sintering furnace according to claim 2, wherein: the first connecting pipe is positioned between the decarbonizing furnace and the sintering furnace, and two ends of the first connecting pipe are respectively communicated with the lower ends of the first heat conduction cavity and the lower ends of the second heat conduction cavity.