CN213932026U - Sufficient combustion mechanism and fritting furnace - Google Patents

Abstract

The utility model belongs to the technical field of the sintering equipment, especially, relate to a abundant burning mechanism and fritting furnace, this abundant burning mechanism includes combustor and slope guide unit, the combustor sets up the furnace body lateral wall upper end of fritting furnace, slope guide unit sets up the output of combustor just is used for the guide the flame court of combustor the stove top direction of fritting furnace sprays, slope guide unit is formed by the preparation of high temperature resistant material, and the flame that the output of combustor sprayed is directly acted on treating the sintering material through the guide, has guaranteed effectively to treat the combustion effect on the sintering material, makes and treat that the sintering material obtains abundant burning, improves sintering effect, is favorable to improving product quality, is favorable to enterprise's development.

Description

Sufficient combustion mechanism and fritting furnace

Technical Field

The utility model belongs to the technical field of sintering equipment, especially, relate to a sufficient combustion mechanism and fritting furnace.

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 fritting furnace adopts the heat radiation principle to pass to the heat for being sintered product, for better passing to the heat, people develop the rotatable fritting furnace in stove bottom, but among the prior art, there is the clearance between the furnace inner wall of the rotatable fritting furnace in stove bottom and the stove bottom for the space increase in heat radiation chamber, heating time extension, required energy consumption is also bigger.

The patent application number is CN201810543023.5, and discloses a vertical sintering furnace with a movable furnace bottom, which comprises a furnace body, at least one heating nozzle arranged on the side wall of the furnace body, a hearth arranged in the furnace body and a furnace bottom arranged at the bottom of the hearth; particularly, a rotating mechanism and a moving mechanism which are connected with the rotating mechanism and the moving mechanism are arranged below the furnace bottom, the rotating mechanism can drive the furnace bottom to perform adjustable-speed rotating motion in the hearth, and the moving mechanism supports the rotating mechanism and can drive the rotating mechanism to perform linear movement; the rotary mechanism is arranged below the furnace bottom, and heat easily enters the furnace bottom in a working state, so that a rotary piece of the rotary mechanism is overheated and loses efficacy, and the service life of the sintering furnace is shortened.

With the development of science and technology, people have developed sintering furnaces with movable furnace bottoms, when a rotating mechanism is damaged or a maintenance period is reached, the furnace bottoms directly move to the outer side of a furnace body, so that maintenance personnel can conveniently maintain structures such as the rotating mechanism or a sintering chamber, and the maintenance convenience is improved, however, in the sintering furnaces with movable furnace bottoms in the prior art, the rotation of the whole furnace bottoms is realized by arranging a rotary driving mechanism at the furnace bottoms, the structure is complicated and burdensome and is easy to damage, in order to solve the problems, people also develop the sintering furnaces with movable furnace bottoms externally provided with the rotary driving mechanism through a spline splicing structure, however, the sintering furnaces with the structure are always driven to rotate through a gear structure arranged at the center position of the furnace bottoms through the rotary driving mechanism to generate torque force, so as to realize the rotary effect, and the rotary driving mode has extremely high requirements on the structural strength of the gear structure, the common gear structure can not meet the strength requirement, and the durable gear structure is expensive, so that the manufacturing cost of the sintering furnace is seriously increased, and the development of enterprises is not facilitated.

In the rotatory fritting furnace structure of stove bottom, there is the rotatory clearance structure of confession stove bottom between stove bottom and the oven, in actual production process, has lime-ash, dust to drop in this clearance structure, leads to stove bottom revolution mechanic card to die, influences the fritting furnace and normally operates, is unfavorable for the enterprise development.

Above-mentioned clearance structure intercommunication furnace body's bottom is external until the furnace body, consequently, in actual production process, and partial heat runs off to the furnace body outside from this clearance structure, leads to combustion mechanism to need supply the heat in order to maintain sintering furnace temperature, is not conform to the energy-conserving theory of enterprise, is unfavorable for the enterprise development.

Traditional fritting furnace, the output of its combustion unit most all horizontal direction sets up, leads to the combustion unit to heat furnace wall temperature earlier, and rethread high temperature oven carries out the thermal radiation heating sintering to the sintering material of treating that loads on the stove top, and such combustion mode leads to the surface of sinter can't fully burn, seriously influences sintering efficiency, is unfavorable for the enterprise development.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sufficient burning mechanism and fritting furnace aims at solving the fritting furnace among the prior art and treats the sintering material through the heat radiation heating, leads to treating that the sintering material intensifies slowly, and combustion reaction is abundant inadequately, influences product quality's technical problem.

In order to achieve the above object, the embodiment of the utility model provides a pair of sufficient combustion mechanism is applicable to the fritting furnace, including combustor and slope guide unit, the combustor sets up the furnace body lateral wall upper end of fritting furnace, the slope guide unit sets up the output of combustor just is used for the guide the flame court of combustor the stove top orientation of fritting furnace sprays, the slope guide unit is formed by the preparation of high temperature resistant material.

Optionally, the inclined guide unit comprises a first connection sleeve and a second connection sleeve, the first connection sleeve is fixedly arranged at the output end of the burner, the second connection sleeve is arranged at the end part of the first connection sleeve far away from the burner, and the output end of the second connection sleeve extends into the sintering cavity of the furnace body and is inclined towards the hearth of the sintering furnace.

Optionally, the lateral wall upper end of furnace body is provided with and is used for installing the containing structure of combustor, slope guide unit includes the third adapter sleeve, the fixed setting of third adapter sleeve is in containing structure's opening position, an opening border of third adapter sleeve with containing structure's opening border sealing connection, the third adapter sleeve is kept away from containing structure's tip past the direction slope setting of stove top.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the sufficient burning mechanism have one of following technological effect at least: the working principle of the sufficient combustion mechanism is as follows: the flame that the combustor sprays passes through after the slope guide unit guide, direct action is in loading on treating sintering material on the stove top, compare in the heating unit among the sintering furnace among the prior art, its output level sets up and preferentially treats sintering material with the inner wall heating of furnace body to predetermineeing the temperature, treats sintering material through thermal radiation heating, leads to treating sintering material and intensifies slowly, and combustion reaction is abundant inadequately, influences sintering effect's technical problem, the utility model provides an among the sufficient combustion mechanism, the flame that the output of combustor sprays is through the direct action of guide on treating sintering material, has guaranteed effectively and has treated the combustion effect on sintering material, makes and treat sintering material and obtain the intensive combustion, improves sintering effect, is favorable to improving product quality, is favorable to the enterprise development.

In order to realize the above-mentioned purpose, the embodiment of the utility model provides a sufficient combustion mechanism is applicable to the fritting furnace, including combustor and slope passageway, the slope passageway shaping in the inner wall upper end of the furnace body of fritting furnace, the slope passageway is kept away from the inboard one end of fritting furnace is the level and sets up and be used for the installation the combustor, the slope passageway is close to the inboard one end of fritting furnace past the direction slope of the stove top of fritting furnace sets up and is used for guiding the warp the combustor sprays the flame of output to placing on the stove top of fritting furnace treat the sintering material.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the sufficient burning mechanism have one of following technological effect at least: the working principle of the sufficient combustion mechanism is as follows: the flame that the combustor sprays passes through behind the slope passageway guide, direct action in the loading in treat sintering material on the stove top, compare in the heating unit among the sintering furnace among the prior art, its output level sets up and preferentially with the inner wall heating of furnace body to predetermineeing the temperature, treat sintering material through thermal radiation heating, lead to treating sintering material and heat up slowly, the combustion reaction is abundant inadequately, influences sintering effect's technical problem, the utility model provides an among the sufficient combustion mechanism, the flame that the output of combustor sprays is directly acted on treating sintering material through the guide, has guaranteed effectively to treat the combustion effect on sintering material, makes and treat sintering material and obtain abundant burning, improves sintering effect, is favorable to improving product quality, is favorable to enterprise development.

In order to achieve the above object, an embodiment of the present invention provides a sintering furnace, including a furnace body, the above sufficient combustion mechanism and a heat storage energy saving device; the side walls of the furnace body, which are opposite to each other, of the furnace body are respectively provided with a heat transfer channel which is communicated with the outer side of the furnace body and the sintering cavity of the furnace body; the two groups of the sufficient combustion mechanisms are respectively arranged in the two groups of the heat transfer channels in a one-to-one correspondence manner; the heat storage and energy saving device comprises a first heat storage mechanism and a second heat storage mechanism, the first heat storage mechanism and the second heat storage mechanism are symmetrically arranged on two sides of the furnace body, output ends of the first heat storage mechanism and the second heat storage mechanism are respectively in one-to-one correspondence with two groups of heat transfer channel pipelines in sealing connection, and the first heat storage mechanism and the second heat storage mechanism are respectively used for storing redundant heat in a sintering cavity of the furnace body and conveying high-temperature air to the corresponding full combustion mechanisms.

Optionally, the first heat storage mechanism comprises a first negative pressing part and a first heat preservation assembly, the first heat preservation assembly is arranged outside the furnace body, an output end of the first heat preservation assembly is connected with a pipeline of one of the heat transfer channels in a sealing manner, and an output end of the first negative pressing part is connected with an input end pipeline of the first heat preservation assembly and is used for conveying external air into the first heat preservation assembly; the second heat storage mechanism comprises a second negative pressing piece and a second heat insulation assembly, the second heat insulation assembly is arranged on the outer side of the furnace body, the output end of the second heat insulation assembly is connected with one of the heat transfer channels in a sealing mode, and the output end of the second negative pressing piece is connected with the input end of the second heat insulation assembly in a pipeline mode and used for conveying external air into the second heat insulation assembly.

Optionally, first heat preservation subassembly includes first heat preservation case, first filter, second filter and first heat preservation piece, first heat preservation case sets up the furnace body outside, first heat preservation case with heat transfer channel pipe connection, first filter with the second filter sets gradually at the interval in the first heat preservation incasement, first heat preservation piece sets up first filter with between the second filter, the output of first negative pressure piece with first heat preservation case pipe connection, first negative pressure piece is located first filter is kept away from one side of second filter, first heat preservation piece is used for the storage warp heat transfer channel exports many waste heat energy and preheats the air of first heat preservation incasement.

Optionally, the second heat preservation subassembly includes second insulation can, third filter, fourth filter and second heat preservation spare, the second insulation can sets up the furnace body outside, the second insulation can with heat transfer channel pipe connection, the third filter with the fourth filter sets gradually at interval in the second insulation can, the second heat preservation spare sets up the third filter with between the fourth filter, the output of second negative pressure spare with second insulation can pipe connection, the second negative pressure spare is located the third filter is kept away from one side of fourth filter, the second heat preservation spare is used for the storage warp the surplus heat energy of heat transfer channel output preheats the air in the second insulation can.

In order to achieve the above object, an embodiment of the present invention provides a sintering furnace, including the above heat-sealing energy-saving device.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the sintering furnace have one of following technological effect at least: because the sintering furnace adopts the full combustion mechanism, the working principle of the full combustion mechanism is as follows: the flame that the combustor sprays passes through behind the slope passageway guide, direct action in the loading in treat sintering material on the stove top, compare in the heating unit among the sintering furnace among the prior art, its output level sets up and preferentially with the inner wall heating of furnace body to predetermineeing the temperature, treat sintering material through thermal radiation heating, lead to treating sintering material and heat up slowly, the combustion reaction is abundant inadequately, influences sintering effect's technical problem, the utility model provides an among the sufficient combustion mechanism, the flame that the output of combustor sprays is directly acted on treating sintering material through the guide, has guaranteed effectively to treat the combustion effect on sintering material, makes and treat sintering material and obtain abundant burning, improves sintering effect, is favorable to improving product quality, is favorable to enterprise development.

Meanwhile, the working principle of the heat storage and energy saving device is as follows: the two groups of sufficient combustion mechanisms sequentially carry out flame spraying heating on the sintering cavity of the furnace body, for example, the sufficient combustion mechanism corresponding to the first heat storage mechanism is in a working state, heat which is moved to the second heat storage mechanism through a heat transfer channel where the sufficient combustion mechanism in a non-working state is located is reserved through the second heat storage mechanism, and when the sufficient combustion mechanism corresponding to the second heat storage mechanism starts to work, the second heat storage mechanism returns the reserved heat to the corresponding sufficient combustion mechanism; compare in the direct normal atmospheric temperature oxygen of extracting of combustion unit of the fritting furnace among the prior art and produce the combustion action, the combustion unit needs carry out bad heat exchange earlier, influences the combustion reaction and produces, is unfavorable for the intensification efficiency of fritting furnace, is unfavorable for the technical problem of enterprise's development, the embodiment of the utility model provides a heat-retaining economizer adopts two sets of heat-retaining mechanisms that are used for storing heat energy, preheats the required air of abundant combustion mechanism, and the effectual combustion reaction who shortens abundant combustion mechanism produces time, improves the intensification efficiency of this fritting furnace, is favorable to the enterprise to develop.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a sintering furnace provided by an embodiment of the present invention.

Fig. 2 is a sectional view of the sintering furnace in fig. 1.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is an exploded view of the rotating device and the driving device according to the embodiment of the present invention.

Fig. 5 is a cut-away view of a rotating device and a driving device provided by the embodiment of the present invention.

Fig. 6 is an enlarged view of B in fig. 5.

Fig. 7 is a schematic structural diagram of a sufficient combustion mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a sufficient combustion mechanism according to another embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a sufficient combustion mechanism according to another embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a first heat storage mechanism and a second heat storage mechanism according to an embodiment of the present invention.

Fig. 11 is a schematic structural view of a furnace platform provided by the embodiment of the present invention.

Fig. 12 to 17 are schematic structural views of the ash prevention mechanism provided in the embodiment of the present invention.

Fig. 18 is a schematic structural view of the motor driving structure provided by the embodiment of the present invention additionally installed on the furnace body.

Fig. 19 is a flowchart of a sintering method according to an embodiment of the present invention.

Fig. 20 is a flowchart of a sintering method according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-rotary furnace bottom 20-furnace body 30-furnace door

11-mounting rack 12-furnace platform 13-rotary device

14-drive means 15-driven coupling ring 16-rotary support

17-rotary driving mechanism 18-transmission connecting mechanism 181-connecting shaft

182-first gear 31-door plate 32-moving seat

171-drive source 172-drive shaft 173-first bevel gear

174-second bevel gear 40-heat-seal energy-saving device 41-heat-seal mounting mechanism

42-blower unit 411-annular mounting frame 412-annular guide frame

50-full combustion mechanism 51-burner 52-inclined guide unit

61-first heat storage mechanism 62-second heat storage mechanism 611-first negative pressure piece

612-first heat preservation component 621-second negative pressure piece 622-second heat preservation component

53-inclined channel 70-dustproof mechanism 71-connecting part

72-annular projection.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

The embodiment of the utility model provides a sufficient combustion mechanism 50, to this sufficient combustion mechanism 50 description and application and a sintering furnace do the detailed description.

Example one

In an embodiment of the present invention, as shown in fig. 1 to 6, a sintering furnace is provided, which includes a durable rotary furnace bottom 10, a furnace body 20 and a furnace door 30 movably connected to a sintering cavity of the furnace body 20, wherein the durable rotary furnace bottom 10 includes a mounting frame 11, a furnace platform 12, a rotating device 13 and a driving device 14, and the mounting frame 11 is disposed in the sintering cavity of the furnace body 20; the furnace platform 12 is rotatably connected to the mounting rack 11 and is used for bearing materials to be sintered; the rotating device 13 comprises a rotating support 16 and a driven connecting ring 15, the rotating support 16 is arranged between the furnace platform 12 and the mounting frame 11 and is used for providing a rotating fulcrum of the furnace platform 12, the driven connecting ring 15 is arranged at the bottom of the furnace platform 12, and the circle center of the driven connecting ring 15 is arranged concentrically with the rotating path of the furnace platform 12; the driving device 14 comprises a rotary driving mechanism 17 and a transmission connecting mechanism 18, the rotary driving mechanism 17 is arranged outside the furnace body 20, one end of the transmission connecting mechanism 18 extends into the furnace body 20 and is in driving connection with the driven connecting ring 15, and the output end of the rotary driving mechanism 17 is in driving connection with the other end of the transmission connecting mechanism 18.

Specifically, the working principle of the sintering furnace is as follows: placing the material to be sintered on the furnace platform 12, wherein the rotary driving mechanism 17 drives the driven connecting ring 15 to rotate through the transmission connecting mechanism 18, so as to drive the furnace platform 12 to rotate around the rotary support 16; compared with the sintering furnace with the rotary furnace bottom in the prior art, the sintering furnace has the advantages that the moment generated by the driving center for driving the furnace bottom to rotate acts on the rotating center position of the furnace bottom, the strength requirement on the rotating connection unit is high, the rotating connection unit is frequently damaged, the practicability is low, the high-strength rotating connection unit is expensive, the manufacturing cost is seriously increased by adopting the rotating connection unit of the type, and the technical problem of enterprise development is not facilitated, the sintering furnace provided by the embodiment of the utility model enables the stress center of the furnace platform 12 to deviate from the rotating center of the furnace platform 12 through the connecting ring and the driving unit to form a transmission structure of the labor-saving lever, the structural strength requirement of the rotating support piece 16 of the furnace platform 12 is effectively reduced, on one hand, the durability of the sintering furnace is favorably improved, and on the other hand, the driving source 171 with low power can also realize effective rotating driving effect, is beneficial to saving energy, accords with the energy-saving concept of enterprises and is beneficial to the development of enterprises.

As shown in fig. 1 to 6, in this embodiment, the rotary support member 16 is a thrust bearing structure, which may be a cylindrical roller thrust bearing or a spherical roller thrust bearing, and the thrust bearing structure is a structure formed by a technology and mature in technology, which is not described in detail in this embodiment, and is used as a rotary connection unit of the mounting frame 11 and the furnace platform 12, so as to improve the rotational stability of the furnace platform 12, the upper end of the mounting frame 11 is fixedly connected to the lower ring of the rotary support member 16, and the furnace platform 12 is fixedly connected to the upper ring of the rotary support member 16.

As shown in fig. 1 to 6, in this embodiment, a tooth socket is formed at a circumferential edge of the driven connection ring 15, the transmission connection mechanism 18 includes a connection shaft 181 and a first gear 182, the connection sleeve is disposed on the mounting frame 11 and located at one side of the driven connection ring 15, the connection shaft 181 is rotatably connected to the mounting frame 11 and located at one side of the driven connection ring 15, the first gear 182 is tightly fitted at an upper end of the connection shaft 181, the first gear 182 is engaged with the tooth socket, and another end of the connection shaft 181 is fixedly connected to an output end of the rotary driving mechanism 17.

In this embodiment, the first gear 182 is preferably engaged with the tooth slot through a chain for improving the engagement effect of the first gear 182 with the tooth slot.

As shown in fig. 1 to 6, in this embodiment, the furnace door 30 includes a door plate 31 and a movable seat 32, a guide rail pair is provided on the bottom wall of the sintering cavity of the furnace body 20, the bottom of the movable seat 32 is provided with a roller adapted to the guide rail pair in a rolling manner, the mounting frame 11 is disposed on the movable seat 32, the movable seat 32 is far away from the end of the furnace body 20 and is provided with a discharge hole for feeding, the door plate 31 is slidably connected on the movable seat 32 in the vertical direction and is used for opening and closing the discharge hole, the end of the furnace body 20 is provided with a counterweight unit for adjusting the dynamic balance of the door plate 31, the counterweight unit is connected with the upper end of the door plate 31 through a chain wheel and a chain transmission structure, the counterweight unit is a structure with mature technology, and is not repeated in this embodiment.

As shown in fig. 18, in this embodiment, a motor driving structure for driving the door panel 31 to move in the vertical direction to open and close the discharge hole is further disposed on the furnace body 20, and the motor driving structure is in driving connection with the door panel 31 through a chain transmission structure; when the furnace door 30 needs to be maintained, all the chain transmission structures need to be disassembled first, and then the movable seat 32 is pulled outside the furnace body 20, so that the furnace door 30 is disassembled.

As shown in fig. 1 to 6, in this embodiment, the mounting frame 11 is fixedly connected to the oven door 30, the rotation driving mechanism 17 includes a driving source 171, a transmission shaft 172, a first bevel gear 173 and a second bevel gear 174, the driving source 171 is disposed outside the oven body 20, one end of the transmission shaft 172 is fixedly connected to an output end of the driving source 171, the first bevel gear 173 is tightly fitted to the other end of the transmission shaft 172, the second bevel gear 174 is drivingly connected to the transmission connecting mechanism 18, and the first bevel gear 173 and the second bevel gear 174 are engaged with each other, and a driving principle of the structure is specifically described in a sintering mode, which is performed by the sintering oven, as shown in fig. 19, and includes the following steps:

s100: pushing the furnace door 30 towards the furnace body 20 to make the mounting frame 11 move towards the furnace body 20 until the furnace door 30 closes the sintering cavity of the furnace body 20;

s200: the first bevel gear 173 is driven by the mounting bracket 11 to move in the direction of the second bevel gear 174 and engage with the second bevel gear 174, the driving source 171 drives the transmission shaft 172 to rotate, so that the first bevel gear 173 and the second bevel gear 174 rotate synchronously, and the second bevel gear 174 drives the driven connecting ring 15 to rotate through the transmission connecting mechanism 18, thereby driving the furnace platform 12 to rotate around the rotating support 16;

s300: and starting a combustion unit to heat the furnace body 20 so as to raise the temperature of the sintering cavity.

Compared with the sintering furnace with the rotary furnace bottom in the prior art, the sintering furnace has the advantages that the moment generated by the driving center for driving the furnace bottom to rotate acts on the rotating center position of the furnace bottom, the strength requirement on the rotating connection unit is high, the rotating connection unit is frequently damaged, the practicability is low, the high-strength rotating connection unit is expensive, the manufacturing cost is seriously increased by adopting the rotating connection unit of the type, and the technical problem of enterprise development is not facilitated, the sintering furnace provided by the embodiment of the utility model enables the stress center of the furnace platform 12 to deviate from the rotating center of the furnace platform 12 through the connecting ring and the driving unit to form a transmission structure of the labor-saving lever, the structural strength requirement of the rotating support piece 16 of the furnace platform 12 is effectively reduced, on one hand, the durability of the sintering furnace is favorably improved, and on the other hand, the driving source 171 with low power can also realize effective rotating driving effect, the energy is saved, the energy-saving concept of enterprises is met, and the enterprise development is facilitated; the structure is suitable for a sintering furnace with a movable furnace door 30, and the bevel gear transmission is favorable for improving the repeated meshing effect of the detachable transmission structure and the rotational stability of the furnace platform 12.

Example two

A tooth socket is formed at the circumferential edge of the driven connecting ring 15, the transmission connecting mechanism 18 comprises a connecting shaft 181, a first synchronous belt and a first synchronous wheel, the connecting sleeve is arranged on the mounting frame 11 and positioned at one side of the driven connecting ring 15, the connecting shaft 181 is rotatably connected to the mounting frame 11 and positioned at one side of the driven connecting ring 15, the first synchronous wheel is tightly connected to the upper end of the connecting shaft 181, the first synchronous wheel is rotatably connected with the tooth socket through the first synchronous belt so as to enable the first synchronous wheel and the driven connecting ring 15 to synchronously rotate, and the other end of the connecting shaft 181 is fixedly connected with the output end of the rotation driving mechanism 17; specifically, the synchronous wheel transmission is beneficial to improving the structural stability of the transmission connecting mechanism 18 and prolonging the service life of the transmission connecting mechanism 18.

The rest of this embodiment is the same as the first embodiment, and the description of this embodiment is omitted.

EXAMPLE III

The shaping has and is used for increasing driven connecting ring 15's circumference border the first butt glue film of the coefficient of friction of driven connecting ring 15's circumference lateral wall, transmission coupling mechanism 18 includes connecting axle 181 and first gyro wheel, the connecting sleeve sets up just be located on the mounting bracket 11 one side of driven connecting ring 15, the connecting axle 181 rotates to be connected just be located on the mounting bracket 11 one side of driven connecting ring 15, first gyro wheel tight fit is connected in the upper end of connecting axle 181, the coating has the second butt glue film on the circumference lateral wall on the first gear 182, first butt glue film with the second butt glue film closely laminates so that first gyro wheel with driven connecting ring 15 rolls the adaptation, the other end of connecting axle 181 with rotary driving mechanism 17's output fixed connection specifically, adopts the glue film structure as the roll butt basis, the structure is simple, and the manufacturing efficiency of the transmission connecting mechanism 18 is improved.

The rest of this embodiment is the same as the first embodiment, and the description of this embodiment is omitted.

Example four

The mounting bracket 11 with furnace door 30 fixed connection, the rotary driving mechanism 17 includes drive source 171, transmission shaft 172, first bevel gear 173, first spline gear shaft, gear box and second bevel gear 174, the drive source 171 sets up the outside of furnace body 20, the one end of transmission shaft 172 with the output fixed connection of drive source 171, the gear box is fixed to be set up the bottom of mounting bracket 11, second bevel gear 174 all rotates to be connected in the gear box and second bevel gear 174 with transmission coupling mechanism 18 drive connection, first spline gear shaft rotates to be connected the input of gear box, first bevel gear 173 tight-fitting connection is on the axis body of first spline gear shaft, first bevel gear 173 with second bevel gear 174 meshes, the transmission shaft 172 is close to the end of gear box is provided with the keyway, the driving principle of the structure in which the first spline shaft is connected with the key way is described in detail in a sintering mode, the sintering mode is executed by the sintering furnace, and as shown in fig. 20, the method comprises the following steps:

s100: pushing the furnace door 30 towards the furnace body 20 to make the mounting frame 11 move towards the furnace body 20 until the furnace door 30 closes the sintering cavity of the furnace body 20;

s200: the first spline gear shaft is driven by the mounting frame 11 to move in the direction of the transmission shaft 172 and is engaged with the key groove in a clamping manner, the driving source 171 drives the transmission shaft 172 to rotate, so that the first spline gear shaft drives the first bevel gear 173 and the second bevel gear 174 to synchronously rotate, and the second bevel gear 174 drives the driven connecting ring 15 to rotate through the transmission connecting mechanism 18, so as to drive the furnace platform 12 to rotate around the rotary support 16;

s300: and starting a combustion unit to heat the furnace body 20 so as to raise the temperature of the sintering cavity.

The rest of this embodiment is the same as the first embodiment, and the description of this embodiment is omitted.

EXAMPLE five

As shown in fig. 3, a gap for rotating the furnace platform 12 is provided between the furnace platform 12 and the sintering cavity wall of the furnace body 20, the sintering furnace includes a heat-sealing energy-saving device 40, the heat-sealing energy-saving device 40 includes a heat-sealing mounting mechanism 41 and an air blowing mechanism 42, the heat-sealing mounting mechanism 41 is disposed on the mounting frame 11 and located between the furnace platform 12 and the mounting frame 11, an air inlet is provided at an end of the heat-sealing mounting mechanism 41 close to the rotation center of the furnace platform 12, an air outlet aligned with the gap is provided at an end of the heat-sealing mounting mechanism 41 close to the gap between the furnace platform 12 and the furnace platform 12, the air blowing mechanism 42 is disposed in the heat-sealing mounting mechanism 41, an input end of the air blowing mechanism 42 is aligned with the air inlet, and an output end of the air blowing mechanism 42 is aligned with the air outlet.

Specifically, the working principle of the heat-seal energy-saving device 40 is as follows: the heat on the furnace platform 12 is transferred to the outside of the furnace body 20 along the gap toward the bottom of the furnace body 20, the air blowing mechanism 42 drives the air to flow toward the air outlet, the air at the bottom of the furnace body 20 firstly passes through the rotation center of the furnace platform 12, then enters the heat-sealing mounting mechanism 41 from the air inlet, and finally moves into the gap from the air outlet; compared with the sintering furnace with a movable furnace bottom in the prior art, the heat of the sintering cavity is easy to flow out from the gap between the furnace bottom of the sintering furnace and the inner wall of the sintering cavity to the outer side of the furnace body 20, which results in heat waste, is not in accordance with the environmental protection concept, and is not beneficial to the technical problem of enterprise development, the heat-sealing energy-saving device 40 provided by the embodiment of the utility model adopts the air blowing mechanism 42 to convey the air passing through the rotation center of the furnace platform 12 to the gap between the furnace platform 12 and the inner wall of the sintering cavity of the furnace body 20, so that the external normal temperature air firstly performs heat exchange with the rotation center of the furnace platform 12 to cool the rotation center, the operation stability of the rotation center is improved, the heated air is guided into the gap through the heat-sealing installation mechanism 41 to effectively collide with the heat about to flow out from the gap to the outer side of the furnace body 20, the heat sealing effect is formed, and the heat flow-off degree is further reduced, the energy-saving effect is realized, and the practicability of the sintering furnace is improved.

As shown in fig. 3, in this embodiment, the heat-seal mounting mechanism 41 is disposed in an annular structure, the number of the air inlets is multiple, all the air inlets are uniformly distributed on the side wall of the heat-seal mounting mechanism 41, and the air outlet is disposed in an annular structure along the gap extending path between the furnace body 20 and the furnace platform 12, which is beneficial to further improving the heat sealing effect.

As shown in fig. 3, in the present embodiment, the heat-seal mounting mechanism 41 includes a ring-shaped mounting frame 411 and a ring-shaped guide frame 412, the ring-shaped mounting frame 411 and the ring-shaped guide frame 412 are both disposed along the extending path of the gap between the furnace body 20 and the furnace platform 12, the ring-shaped mounting frame 411 is provided with a mounting groove, the ring-shaped guide frame 412 covers the mounting groove to form a mounting cavity, the air inlet is formed on the side wall of the ring-shaped mounting frame 411 near the rotation center of the furnace platform 12, and the air outlet is formed at the end of the ring-shaped guide frame 412 near the gap between the furnace platform 12 and the furnace body 20.

As shown in fig. 3, in this embodiment, the ring-shaped mounting frame 411 and the ring-shaped guide frame 412 are both made of a heat-conductive metal material and are integrally formed by casting, and in this embodiment, the ring-shaped mounting frame 411 and the ring-shaped guide frame 412 are made of a copper alloy or an aluminum alloy.

As shown in fig. 3, in this embodiment, the ring-shaped mounting frame 411 includes a body and an extension edge, the body is disposed in a ring-shaped structure, the extension edge is formed by folding out and folding 90 ° from the circumferential bottom of the body, and the extension edge is fixedly connected to the mounting frame 11.

As shown in fig. 3, in this embodiment, the annular guide frame 412 includes a first tapered ring and a second tapered ring, the first tapered ring and the second tapered ring are both arranged in a funnel ring structure with a wide top and a narrow bottom, bottom edges of the first tapered ring and the second tapered ring are respectively connected to the main body and the extension edge, and top edges of the first tapered ring and the second tapered ring are close to each other and are provided with a gap to form the air outlet.

As shown in fig. 3, in this embodiment, the blower mechanism 42 includes at least two sets of fans, for example, three sets of fans in this embodiment, all the fans are uniformly distributed in the heat sealing mounting mechanism 41, an input end of each fan aligns with the air inlet, an output end of each fan aligns with the air outlet, and each fan is an air compressor.

The rest of this embodiment is the same as the first embodiment, and the description of this embodiment is omitted.

EXAMPLE six

As shown in fig. 7 to 10, the sintering furnace includes a sufficient combustion mechanism 50, the sufficient combustion mechanism 50 includes a burner 51 and an inclined guide unit 52, the burner 51 is disposed at an upper end of a side wall of a furnace body 20 of the sintering furnace, the inclined guide unit 52 is disposed at an output end of the burner 51 and guides a flame of the burner 51 to be sprayed toward a hearth 12 of the sintering furnace, and the inclined guide unit 52 is made of a high temperature resistant material.

Specifically, the operating principle of the sufficient combustion mechanism 50 is as follows: the flame that combustor 51 sprayed warp behind the guide of slope guide unit 52, direct action in load on treat the sintering material on the stove top 12, compare in the heat supply unit among the sintering furnace among the prior art, its output level sets up and preferentially heats the inner wall of furnace body 20 to predetermineeing the temperature, treats the sintering material through thermal radiation heating, leads to treating that the sintering material heaies up slowly, and the combustion reaction is not abundant enough, influences the technical problem of sintering effect, the utility model provides an among the abundant burning mechanism 50, the flame that combustor 51's output sprayed directly acts on treating the sintering material through the guide, has guaranteed effectively and has treated the combustion effect on the sintering material, makes and treat that the sintering material obtains abundant burning, improves the sintering effect, is favorable to improving product quality, is favorable to enterprise's development.

As shown in fig. 7 to 10, in the present embodiment, the inclined guiding unit 52 includes a first connecting sleeve and a second connecting sleeve, the first connecting sleeve is fixedly disposed at the output end of the burner 51, the second connecting sleeve is disposed at an end of the first connecting sleeve far away from the burner 51, and the output end of the second connecting sleeve extends into the sintering cavity of the furnace body 20 and is inclined toward the hearth 12 of the sintering furnace.

As shown in fig. 7 to 10, in this embodiment, an accommodating structure for installing the burner 51 is disposed at an upper end of a side wall of the furnace body 20, the inclined guide unit 52 includes a third connecting sleeve, the third connecting sleeve is fixedly disposed at an opening position of the accommodating structure, an opening edge of the third connecting sleeve is hermetically connected with the opening edge of the accommodating structure, and an end portion of the third connecting sleeve, which is far away from the accommodating structure, is inclined toward the furnace platform 12.

As shown in fig. 7 to 10, in this embodiment, heat transfer channels communicating the outer side of the furnace body 20 and the sintering cavity of the furnace body 20 are respectively disposed on the opposite side walls of the furnace body 20; the sufficient combustion mechanisms 50 are respectively arranged in the two groups of heat transfer channels in a one-to-one correspondence manner; the sintering furnace further comprises a heat storage and energy saving device, the heat storage and energy saving device comprises a first heat storage mechanism 61 and a second heat storage mechanism 62, the first heat storage mechanism 61 and the second heat storage mechanism 62 are symmetrically arranged on two sides of the furnace body 20, output ends of the first heat storage mechanism 61 and the second heat storage mechanism 62 are respectively in one-to-one correspondence with two groups of heat transfer channel pipelines in sealing connection, and the first heat storage mechanism 61 and the second heat storage mechanism 62 are respectively used for storing redundant heat in a sintering cavity of the furnace body 20 and conveying high-temperature air to correspond to the redundant heat transfer channel pipelines on the sufficient combustion mechanism 50.

Specifically, the working principle of the heat storage energy-saving device is as follows: the two groups of sufficient combustion mechanisms 50 sequentially perform flame spraying heating on the sintering cavity of the furnace body 20, for example, the sufficient combustion mechanism 50 corresponding to the first heat storage mechanism 61 is in an operating state, heat which moves to the second heat storage mechanism 62 through a heat transfer channel where the sufficient combustion mechanism 50 in a non-operating state is located is retained by the second heat storage mechanism 62, and when the sufficient combustion mechanism 50 corresponding to the second heat storage mechanism 62 starts to operate, the retained heat of the second heat storage mechanism 62 returns to the corresponding sufficient combustion mechanism 50; compare in the direct normal atmospheric temperature oxygen of extracting of combustion unit of the fritting furnace among the prior art and produce the combustion action, the combustion unit needs carry out bad heat exchange earlier, influences the combustion reaction and produces, is unfavorable for the intensification efficiency of fritting furnace, is unfavorable for the technical problem of enterprise's development, the embodiment of the utility model provides a heat-retaining economizer adopts two sets of heat-retaining mechanisms that are used for storing heat energy, preheats the required air of sufficient combustion mechanism 50, and the effectual combustion reaction who has shortened sufficient combustion mechanism 50 produces time, improves the intensification efficiency of this fritting furnace, is favorable to the enterprise to develop.

As shown in fig. 7 to 10, in the present embodiment, the first heat storage mechanism 61 includes a first negative pressure member 611 and a first heat preservation assembly 612, the first heat preservation assembly 612 is disposed outside the furnace body 20, an output end of the first heat preservation assembly 612 is connected with a pipe of one of the heat transfer passages in a sealing manner, an output end of the first negative pressure member 611 is connected with an input end pipe of the first heat preservation assembly 612 and is used for conveying external air into the first heat preservation assembly 612; the second heat storage mechanism 62 includes a second negative pressure component 621 and a second heat preservation component 622, the second heat preservation component 622 is disposed outside the furnace body 20, an output end of the second heat preservation component 622 is connected with a pipe of one of the heat transfer passages in a sealing manner, an output end of the second negative pressure component 621 is connected with an input end pipe of the second heat preservation component 622 and is used for conveying external air into the second heat preservation component 622, and both the first negative pressure component 611 and the second negative pressure component 621 are blowers.

As shown in fig. 7 to 10, in this embodiment, the first thermal insulation assembly 612 includes a first thermal insulation box, a first filter plate, a second filter plate, and a first thermal insulation member, the first thermal insulation box is disposed outside the furnace body 20, the first thermal insulation box is connected to the heat transfer channel pipe, the first filter plate and the second filter plate are sequentially disposed in the first thermal insulation box at intervals, the first thermal insulation member is disposed between the first filter plate and the second filter plate, an output end of the first negative pressure member 611 is connected to the first thermal insulation box pipe, the first negative pressure member 611 is located on a side of the first filter plate away from the second filter plate, the first thermal insulation member is used for storing excess heat energy output through the heat transfer channel and preheating air in the first thermal insulation box, the first thermal insulation member is activated carbon, and thermal insulation asbestos is disposed on an inner wall of the first thermal insulation box, specifically, first filter first heat preservation spare with the second filter sets gradually from top to bottom, the output end pipe connection of first negative pressure spare 611 is in the lower extreme lateral wall of first incubator.

As shown in fig. 7 to 10, in this embodiment, the second thermal insulation assembly 622 includes a second thermal insulation box, a third filter plate, a fourth filter plate, and a second thermal insulation member, the second thermal insulation box is disposed outside the furnace body 20, the second thermal insulation box is connected to the heat transfer channel pipeline, the third filter plate and the fourth filter plate are sequentially disposed in the second thermal insulation box at intervals, the second thermal insulation member is disposed between the third filter plate and the fourth filter plate, an output end of the second negative pressure member 621 is connected to the second thermal insulation box pipeline, the second negative pressure member 621 is disposed on a side of the third filter plate away from the fourth filter plate, the second thermal insulation member is used for storing excess heat energy output through the heat transfer channel and preheating air in the second thermal insulation box, the second thermal insulation member is activated carbon, an inner wall of the second thermal insulation box is provided with thermal insulation asbestos, specifically, the third filter, the second keeps warm and the fourth filter sets gradually from top to bottom, the output end pipe connection of second negative pressure spare 621 is in the lower extreme lateral wall of second insulation can.

The rest of this embodiment is the same as the first embodiment, and the description of this embodiment is omitted.

EXAMPLE seven

As shown in fig. 9, the sufficient combustion mechanism 50 includes a burner 51 and an inclined channel 53, the inclined channel 53 is formed at the upper end of the inner wall of the furnace body 20 of the sintering furnace, one end of the inclined channel 53 far away from the inner side of the sintering furnace is horizontally arranged and is used for installing the burner 51, one end of the inclined channel 53 close to the inner side of the sintering furnace is obliquely arranged towards the direction of the hearth 12 of the sintering furnace and is used for guiding the flame sprayed and outputted by the burner 51 to the material to be sintered placed on the hearth 12 of the sintering furnace.

Specifically, the operating principle of the sufficient combustion mechanism 50 is as follows: the flame that combustor 51 sprayed warp slope passageway 53 guide back, direct action in the loading in treat sintering material on the stove top 12, compare in the heating unit among the sintering furnace among the prior art, its output level sets up and preferentially heats the inner wall of furnace body 20 to predetermineeing the temperature, treats sintering material through thermal radiation heating, leads to treating sintering material intensifies slowly, and the combustion reaction is not abundant enough, influences the technical problem of sintering effect, the utility model provides an among the abundant burning mechanism 50, the flame that combustor 51's output sprayed directly acts on treating sintering material through the guide, has guaranteed effectively to treat the combustion effect on sintering material, makes and treat that sintering material obtains abundant burning, improves sintering effect, is favorable to improving product quality, is favorable to enterprise's development.

The rest of this embodiment is the same as embodiment six, and this embodiment is not described again.

Example eight

As shown in fig. 11 to 17, the sintering furnace includes an ash prevention mechanism 70, the ash prevention mechanism 70 includes a connecting portion 71 and an annular protrusion 72, the connecting portion 71 is fixedly disposed on the hearth 12 of the sintering furnace, the annular protrusion 72 is disposed on the top of the connecting portion 71, and a circumferential top edge of the annular protrusion 72 is higher than an upper end surface of the hearth 12 of the sintering furnace.

Specifically, a movable gap structure with a rotary furnace bottom exists between the furnace bottom and the sintering furnace wall, and an annular bulge 72 is arranged at the edge position of the furnace platform 12 for loading materials to be sintered through a connecting part 71, so that a sinking platform structure for preventing dust from falling in the gap structure is formed; compare in the mobilizable sintering furnace in stove bottom among the prior art, be used for loading the stove top 12 of treating the sintering material and structurally lack effectual dustproof construction, lead to the dust very easily to get into the clearance between stove top 12 and the oven, influence stove top 12 rotatory, be unfavorable for the sintering furnace function, influence the technical problem of sintering furnace practicality, the embodiment of the utility model provides a dustproof construction is provided with the bulge loop structure through setting up at stove top 12 border, prevents effectively that dust, lime-ash from dropping to the clearance in, simple structure, the preparation of being convenient for is favorable to improving the practicality of this sintering furnace, is favorable to the enterprise development.

As shown in fig. 11 to 17, in this embodiment, the connecting portion 71 is a plate-shaped structure, the connecting portion 71 is fixedly disposed on the hearth 12 of the sintering furnace and is used for loading a material to be sintered, the annular protrusion 72 is disposed at the upper end circumferential edge of the connecting portion 71, a groove structure for accommodating the material to be sintered is formed at the middle position of the connecting portion 71 and the annular protrusion 72, and the plate-shaped structure connecting portion 71 is adopted, so that the manufacturing efficiency and the installation convenience of the dustproof mechanism are improved, and the practicability of the dustproof mechanism is improved.

As shown in fig. 11 to 17, in the present embodiment, an annular rib is disposed at an end of the annular protrusion 72 close to the center of the hearth 12 of the sintering furnace, and the annular rib extends above an end surface of the hearth 12 of the sintering furnace to further form a blocking ring structure for limiting dust and ash.

As shown in fig. 11 to 17, in the present embodiment, the annular rib is disposed in a convex ring structure and is formed at the upper end of the inner ring sidewall of the annular protrusion 72.

As shown in fig. 11 to 17, in this embodiment, the annular protrusion 72 and the connecting position of the connecting portion 71 are arranged in a fillet structure, so that an operator can clean ash from the dustproof mechanism conveniently by using the fillet structure, and the practicability of the dustproof mechanism is improved.

In the present embodiment, as shown in fig. 11 to 17, an annular groove for receiving ash is formed at a connection position of the annular protrusion 72 and the connection portion 71.

As shown in fig. 11 to 17, in the present embodiment, an inclined bottom wall is provided at an end of the annular groove near the center of the hearth 12 of the sintering furnace, and one end of the inclined bottom wall near the annular protrusion 72 is gradually inclined downward.

Example nine

As shown in fig. 11 to 17, the inner ring of the annular protrusion 72 is provided with an annular inclined sidewall, and the upper end of the annular inclined sidewall is gradually narrowed to form the annular rib, so that the structure is simple, the manufacturing is convenient, and the manufacturing efficiency of the annular protrusion 72 is improved.

The rest of this embodiment is the same as embodiment eight, and this embodiment is not described again.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The full combustion mechanism is suitable for a sintering furnace and is characterized by comprising a combustor and an inclined guide unit, wherein the combustor is arranged at the upper end of the side wall of a furnace body of the sintering furnace, the inclined guide unit is arranged at the output end of the combustor and used for guiding flame of the combustor to be sprayed towards the direction of a furnace platform of the sintering furnace, and the inclined guide unit is made of high-temperature-resistant materials.

2. The intensive combustion mechanism according to claim 1, wherein: the inclined guide unit comprises a first connecting sleeve and a second connecting sleeve, the first connecting sleeve is fixedly arranged at the output end of the burner, the second connecting sleeve is arranged at the end part of the burner, which is far away from the first connecting sleeve, and the output end of the second connecting sleeve extends to the sintering cavity of the furnace body and is inclined towards the hearth direction of the sintering furnace.

3. The intensive combustion mechanism according to claim 1, wherein: the lateral wall upper end of furnace body is provided with and is used for the installation the containing structure of combustor, slope direction unit includes the third adapter sleeve, the fixed setting of third adapter sleeve is in containing structure's opening position, an opening border of third adapter sleeve with containing structure's opening border sealing connection, the third adapter sleeve is kept away from containing structure's tip past the direction slope setting of stove top.

4. The utility model provides a sufficient combustion mechanism, is applicable to the fritting furnace, its characterized in that: the device comprises a burner and an inclined channel, wherein the inclined channel is formed at the upper end of the inner wall of a furnace body of the sintering furnace, one end, far away from the inner side of the sintering furnace, of the inclined channel is horizontally arranged and used for installing the burner, one end, close to the inner side of the sintering furnace, of the inclined channel is obliquely arranged towards the direction of a hearth of the sintering furnace and used for guiding flame output by the burner to a material to be sintered, placed on the hearth of the sintering furnace.

5. A sintering furnace, comprising:

the furnace body, set up the heat transfer channel communicating said outside of furnace body and sintering cavity of the said furnace body separately on the mutual opposite sidewall of the said furnace body;

two sets of the sufficient combustion mechanisms of any one of claims 1 to 4, which are respectively arranged in the two sets of the heat transfer channels in a one-to-one correspondence manner;

the heat storage and energy saving device comprises a first heat storage mechanism and a second heat storage mechanism, wherein the first heat storage mechanism and the second heat storage mechanism are symmetrically arranged on two sides of the furnace body, the output ends of the first heat storage mechanism and the second heat storage mechanism are respectively in one-to-one correspondence with the two groups of heat transfer channel pipelines in sealing connection, and the first heat storage mechanism and the second heat storage mechanism are respectively used for storing redundant heat in a sintering cavity of the furnace body and conveying high-temperature air to the corresponding full combustion mechanism.

6. Sintering furnace according to claim 5, characterized in that: the first heat storage mechanism comprises a first negative pressing piece and a first heat preservation assembly, the first heat preservation assembly is arranged on the outer side of the furnace body, the output end of the first heat preservation assembly is hermetically connected with a pipeline of one of the heat transfer channels, and the output end of the first negative pressing piece is connected with the input end of the first heat preservation assembly through a pipeline and is used for conveying external air into the first heat preservation assembly;

the second heat storage mechanism comprises a second negative pressing piece and a second heat insulation assembly, the second heat insulation assembly is arranged on the outer side of the furnace body, the output end of the second heat insulation assembly is connected with one of the heat transfer channels in a sealing mode, and the output end of the second negative pressing piece is connected with the input end of the second heat insulation assembly in a pipeline mode and used for conveying external air into the second heat insulation assembly.

7. Sintering furnace according to claim 6, characterized in that: first heat preservation subassembly includes first heat preservation case, first filter, second filter and first heat preservation piece, first heat preservation case sets up the furnace body outside, first heat preservation case with heat transfer passage pipe connection, first filter with the second filter sets gradually at the interval first heat preservation incasement, first heat preservation piece sets up first filter with between the second filter, the output of first negative pressure spare with first heat preservation case pipe connection, first negative pressure piece is located first filter is kept away from one side of second filter, first heat preservation piece is used for the storage warp many waste heat energy of heat transfer passage output preheat the air of first heat preservation incasement.

8. Sintering furnace according to claim 6, characterized in that: the second heat preservation subassembly includes second insulation can, third filter, fourth filter and second heat preservation spare, the second insulation can sets up the furnace body outside, the second insulation can with heat transfer channel pipe connects, the third filter with the fourth filter sets gradually at the interval in the second insulation can, the second heat preservation spare sets up the third filter with between the fourth filter, the output of second negative pressure spare with second insulation can pipe connects, the second negative pressure spare is located the third filter is kept away from one side of fourth filter, the second heat preservation spare is used for the storage warp many surplus heat energy of heat transfer channel output preheats air in the second insulation can.

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