CN213335564U

CN213335564U - Energy-saving sintering furnace protective atmosphere preheating device

Info

Publication number: CN213335564U
Application number: CN202022208904.7U
Authority: CN
Inventors: 曾虹; 徐曾妍; 高建芳
Original assignee: Shenzhen Kadam Technology Co ltd
Current assignee: Shenzhen Kadam Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-01
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an energy-saving fritting furnace protective atmosphere preheating device, fix the preheating device in the fritting furnace boiler tube outer wall heating device outside including the installation, preheating device's both ends are provided with intake pipe and outlet duct, are provided with in the preheating device and preheat the chamber, and intake pipe and outlet duct all insert to preheating the chamber, connect through heat conduction piece between intake pipe and the outlet duct, are provided with interface channel in the heat conduction piece, and elastic mounting has filtration in the interface channel, is provided with a plurality ofly on the heat conduction piece and preheats the connecting hole that the chamber switched on mutually, installs in the connecting hole and collects the bag, and the one end of collecting the bag is passed preheating the chamber and is extended. The utility model can preheat the sintering gas, reduce the temperature difference between the sintering gas and the inside of the furnace, and is beneficial to protecting elements in the furnace; residual impurities in the sintering gas can be removed, and the adverse effect of the impurities on the furnace is reduced.

Description

Energy-saving sintering furnace protective atmosphere preheating device

Technical Field

The utility model relates to a fritting furnace field, concretely relates to energy-saving fritting furnace protective atmosphere preheating device.

Background

Sintering furnaces refer to specialized equipment that allows powder compacts to be sintered to achieve desired physical, mechanical properties, and microstructures. The sintering furnace is used for drying slurry on the silicon wafer, removing organic components in the slurry and completing sintering of the aluminum back surface field and the grid line.

The temperature of the sintering gas is too different from the temperature in the furnace, so that temperature transformation impact is caused to components and the like in the furnace after the sintering gas is introduced into the furnace, and the service life of the components and the like in the furnace is easily shortened; the sintering gas often contains impurities that adversely affect the components in the furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an energy-saving fritting furnace protective atmosphere preheating device that can solve above-mentioned problem can effectively protect the interior component of stove.

The utility model discloses a realize through following technical scheme: the utility model provides an energy-saving fritting furnace protective atmosphere preheating device, fixes the preheating device in the fritting furnace boiler tube outer wall heating device outside including the installation, preheating device's both ends are provided with intake pipe and outlet duct, are provided with preheating chamber in the preheating device, and intake pipe and outlet duct all insert to preheating chamber, connect through heat conduction piece between intake pipe and the outlet duct, are provided with interface channel in the heat conduction piece, and elastic mounting has filtration in the interface channel, is provided with a plurality ofly on the heat conduction piece and preheats the connecting hole that the chamber switched on mutually, installs in the connecting hole and collects the bag, and the one end of collecting the bag is passed preheating chamber and is.

As a preferred technical scheme, the inner wall of the preheating cavity is provided with heat insulation paint.

As the preferred technical scheme, be provided with the installation cavity in the heat conduction spare, installation cavity and connecting hole do not switch on, and a plurality of diathermanous holes of installation cavity and connecting channel switch on mutually, are provided with heating element in the installation cavity, and heating element is including the mount pad of installation fixing in the installation cavity, and the installation is fixed with electric heating wire on the mount pad.

As a preferred technical scheme, the inner wall of the connecting hole is provided with internal threads, the collecting bag is made of high-temperature-resistant colloid material, and the surface of the collecting bag is provided with a heat-insulating coating; a material storage cavity is arranged in the collecting bag, an inserting part is arranged on the collecting bag, an inherent connecting sleeve is sleeved on the outer side of the inserting part, an external thread is arranged on the surface of the connecting sleeve, the external thread is matched with the internal thread, and the connecting sleeve is arranged in the connecting hole and meshed through threads; the joint of the collecting bag and the preheating device is sealed through sealant, a discharge port is arranged at the bottom of the collecting bag, and the discharge port is sealed through a sealing piece.

As preferred technical scheme, filtration includes the filter screen, and the outside of filter screen is including elasticity rubber layer, and the surface of elasticity rubber layer and filter screen all is provided with thermal-insulated lacquer, and elasticity rubber layer and heat-conducting member are hugged closely fixedly.

The utility model has the advantages that: the utility model can preheat the sintering gas, reduce the temperature difference between the sintering gas and the inside of the furnace, and is beneficial to protecting elements in the furnace; residual impurities in the sintering gas can be removed, and the adverse effect of the impurities on the furnace is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a structural view of the inside of the heat-conducting member of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

This specification includes any features disclosed in the appended claims, abstract and drawings, which are, unless expressly stated otherwise, replaceable with other equivalent or similarly purposed alternative features. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 2, including installing and fixing the preheating device 1 in the outer wall heating device of the furnace tube of the sintering furnace, the both ends of the preheating device 1 are provided with an air inlet pipe 2 and an air outlet pipe 3, be provided with in the preheating device 1 and preheat the chamber 111, air inlet pipe 2 and air outlet pipe 3 all insert to preheat the chamber 111, connect through heat-conducting piece 5 between air inlet pipe 2 and the air outlet pipe 3, be provided with interface channel 511 in the heat-conducting piece 5, elastic mounting has filtration in interface channel 511, be provided with a plurality of connecting holes that switch on mutually with preheating chamber 111 on the heat-conducting piece 5, install in the connecting hole and collect bag 6, the one end of collecting bag 6 is passed preheating chamber.

Wherein, the inner wall of the preheating cavity 111 is provided with heat insulation paint.

Wherein, be provided with the installation cavity in the heat conduction piece 5, installation cavity and connecting hole do not switch on, and a plurality of diathermanous holes 7 that switch on mutually switch on the installation cavity with linking channel 511, are provided with heating element in the installation cavity, and heating element fixes the mount pad 8 in the installation cavity including the installation, and the installation is fixed with electric heating wire 11 on the mount pad 8, can set up the switch that the control electric heating wire stopped at one side of preheating device.

Wherein, the inner wall of the connecting hole is provided with internal threads, the collecting bag 6 is made of high-temperature resistant colloid material, and the surface of the collecting bag 6 is provided with a heat insulation coating; a material storage cavity 611 is arranged in the collecting bag 6, an inserting part is arranged on the collecting bag 6, an inherent connecting sleeve 9 is sleeved on the outer side of the inserting part, an external thread is arranged on the surface of the connecting sleeve 9, the external thread is matched with the internal thread, and the connecting sleeve 9 is arranged in the connecting hole and meshed through threads; the joint of the collection bag 6 and the preheating device 1 is sealed by a sealant, a discharge port 622 is arranged at the bottom of the collection bag 6, the discharge port 622 is sealed by a sealing element 31 (such as a rubber sealing plug coated with a heat insulation paint), and the sealing element can be fixed by a transparent adhesive. The connecting sleeve can be metal coated with heat insulation paint, and the connecting sleeve and the inserting part are fixed through high-temperature-resistant glue. The connecting sleeve and the collecting bag are convenient to disassemble.

Wherein, filtration includes filter screen 12, and the outside of filter screen 12 is including elasticity rubber layer 13, and the surface of elasticity rubber layer 13 and filter screen 12 all is provided with thermal-insulated lacquer, and elasticity rubber layer 13 and heat-conducting member 5 (can be for aluminium alloy etc. make, are convenient for scribble thermal-insulated lacquer) are hugged closely the back and are fixed through high temperature resistant glue or screw.

When the technical scheme is used, the electric heating wire is started through the switch, and generates heat under the working state. The intake pipe is discharged into gas, and gas gets into and preheats through the heat that electric heating wire produced in the interface channel, and impurity in it is got rid of in gas is kept apart by the filter screen, and impurity can fall into and collect and preserve in the bag, opens the sealing plug, gets rid of impurity. The elastic rubber layer is arranged on the filter screen, and the elastic rubber layer is easy to shake after being acted by air flow, so that impurities are difficult to accumulate on the filter screen.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an energy-saving fritting furnace protective atmosphere preheating device, fixes preheating device (1) in the fritting furnace boiler tube outer wall heating device outside including the installation, its characterized in that: the both ends of preheating device (1) are provided with intake pipe (2) and outlet duct (3), be provided with in preheating device (1) and preheat chamber (111), intake pipe (2) and outlet duct (3) all insert to preheating chamber (111), connect through heat-conducting piece (5) between intake pipe (2) and outlet duct (3), be provided with interface channel (511) in heat-conducting piece (5), elastic mounting has filtration in interface channel (511), be provided with a plurality of connecting holes that switch on mutually with preheating chamber (111) on heat-conducting piece (5), install in the connecting hole and collect bag (6), the one end of collecting bag (6) is passed preheating chamber (111) and is extended to external environment.

2. The energy-saving sintering furnace protective atmosphere preheating device according to claim 1, characterized in that: the inner wall of the preheating cavity (111) is provided with heat insulation paint.

3. The energy-saving sintering furnace protective atmosphere preheating device according to claim 1, characterized in that: be provided with the installation cavity in heat conduction piece (5), installation cavity and connecting hole do not switch on, and a plurality of diathermanous holes (7) of switching on mutually are switched on mutually in installation cavity and linking channel (511), are provided with heating element in the installation cavity, and heating element fixes mount pad (8) in the installation cavity including the installation, and the installation is fixed with electric heating wire (11) on mount pad (8).

4. The energy-saving sintering furnace protective atmosphere preheating device according to claim 1, characterized in that: the inner wall of the connecting hole is provided with internal threads, the collecting bag (6) is made of high-temperature-resistant colloid material, and the surface of the collecting bag (6) is provided with a heat-insulating coating; a material storage cavity (611) is arranged in the collecting bag (6), an inserting part is arranged on the collecting bag (6), an inherent connecting sleeve (9) is sleeved on the outer side of the inserting part, an external thread is arranged on the surface of the connecting sleeve (9), the external thread is matched with the internal thread, and the connecting sleeve (9) is arranged in the connecting hole and meshed through the thread; the joint of the collecting bag (6) and the preheating device (1) is sealed by sealant, a discharge hole (622) is formed in the bottom of the collecting bag (6), and the discharge hole (622) is sealed by a sealing element (31).

5. The energy-saving sintering furnace protective atmosphere preheating device according to claim 1, characterized in that: the filtering structure comprises a filtering net (12), the outer side of the filtering net (12) comprises an elastic rubber layer (13), heat insulation paint is arranged on the surfaces of the elastic rubber layer (13) and the filtering net (12), and the elastic rubber layer (13) and the heat conducting piece (5) are tightly attached and fixed.