CN109425221A

CN109425221A - A kind of internal structure of furnace body

Info

Publication number: CN109425221A
Application number: CN201710904671.4A
Authority: CN
Inventors: 张跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-25
Filing date: 2017-09-29
Publication date: 2019-03-05
Also published as: CN109425230B; CN107605775A; CN109420813A; CN109424559A; CN109425107A; CN207422899U; CN109420815A; CN207422911U; CN207395480U; CN109425230A; CN109425229A; CN109425228A

Abstract

A kind of internal structure of furnace body, including liner, the cavity of liner are connected with partition, and liner is divided at least two cavitys by partition, wherein having a cavity is working chamber；It is equipped with internal trolley mechanism in working chamber, places workpiece in internal trolley mechanism；The side of liner is equipped with blower.One aspect of the present invention can make workpiece thermally equivalent or cooling；On the other hand, heat-resisting material is all made of inside liner to be made, can heatproof >=450 DEG C, especially suitable for height hold burn pressure-bearing occasion.

Description

A kind of internal structure of furnace body

Technical field

The present invention relates to a kind of furnace structure, especially a kind of internal structure of furnace body.

Background technique

Existing furnace body is primarily present following defect:

First, working chamber is in different chambers from heating chamber mostly, leads to that structure is complicated；Or heating chamber and working chamber exist In one cavity, but be not isolated therebetween, if workpiece is closer apart from calandria so that workpiece close to calandria that It holds temperature that can be higher than the temperature of other positions, causes workpiece uneven heating even.Even if there is partition in furnace body, on the one hand it is not suitable for Hot environment, intensity is low, cannot be used in height and holds and burns pressure-bearing occasion, poor universality；On the other hand, existing baffle dimensions are fixed, It is not suitable in large-scale furnace body.

Second, the idler wheel of existing furnace body is all mounted between the shell of liner and the inner cavity of furnace body, that is, is mounted on work The outside of chamber, rather than it is internal；Or it is mounted on the pedestal outside furnace body.Because temperature when working chamber works is very high, It is easy to damage idler wheel, it is also more demanding to the material of other corresponding components of installation idler wheel, and be not easy in liner It is installed side.Idler wheel also is lifting effect, rather than the effect of transmitting workpiece, be all mostly manually by workpiece remove to In working chamber, or moved by small rail car, it is not only time-consuming and laborious, also to increase additional equipment, it cannot be with furnace body one Body.Also, existing idler wheel mechanism is only applicable to the occasion of heatproof < 450 DEG C, is not suitable under hot environment.

Third, existing furnace body liner, lagging casing are to use stainless steel structure, and case surface is smooth mostly, one When the denier shell will bear high temperature, it is easy for expanded by heating, stress is generated and concentrates, immediately cool down, will be easy after heated It shrinks, shell service life is caused to substantially reduce, it is not only with high costs, also reduce working efficiency.In addition, existing case surface It is all mostly to be connect by connector or bolt etc. with other structures, on the one hand, shell expansion will increase answering for connecting portion Power is concentrated；On the other hand, connection is unstable, is easy to produce loosening.

4th, the insulating layer of existing liner generallys use glass mat and combines with aluminium silicate wool layer, glass mat Play the role of reinforcing, aluminium silicate wool layer plays the effect of insulation.Although glass mat has heat-resisting, corrosion resistant excellent Point, but glass mat weight is big, bending resistance effect is poor, is not suitable for doing the inner-tube structure of furnace body.

5th, the working chamber that existing liner is heated typically as workpiece, due to existing furnace body working chamber volume all Smaller, therefore, the bottom of liner is usually directly installed on furnace body frame by the connection type of liner and furnace body, and the side of liner Face does not support.However it is sufficiently bulky when liner, i.e. workpiece it is sufficiently bulky when, workpiece is in the mistake for being placed in liner Cheng Zhong or workpiece are during heating, it is easy to generate vibration, cause liner to generate shaking, substantially reduce stability.

6th, existing liner holder is fixedly connected with furnace body, generates expansion once being heated, it is easy to cause to connect The stress at position is concentrated.

Summary of the invention

It provides that a kind of uniform temperature is good, and height holds burning pressure-bearing the purpose of the present invention is overcoming the above-mentioned insufficient of the prior art, protects Temp effect is good, conveys convenient for workpiece, reliable and stable, the internal structure of furnace body with long service life.

The technical scheme is that a kind of internal structure of furnace body, including liner, the cavity of liner are connected with partition, Liner is divided at least two cavitys by partition, wherein having a cavity is working chamber；Internal trolley mechanism, internal trolley are equipped in working chamber Workpiece is placed in mechanism；The side of liner is equipped with blower.

Further, the partition is the cell structure plate or solid panel of more cavitys；Or partition includes solid panel With the cell structure plate of more cavitys, it is stacked together between two plate bodys.

Further, the partition using carbon carbon material, graphite, silicon carbide, corundum, stainless steel or copper at.

Further, the liner includes shell, insulating layer and inner casing.

Further, at least one groove body is connected on the shell, the bottom of groove body is embedded in shell, the two side ends of groove body With cage connection.

Further, the material of the inner casing is one in carbon carbon plate, carborundum plate, corundum plate, graphite plate, molybdenum plate or tungsten plate Kind.

Further, the material of shell is one of stainless steel, carbon steel or low alloy steel.

Further, the insulating layer includes carbon felt layer and aluminium silicate wool layer, and the carbon felt layer is internal layer, and aluminium silicate wool layer is Outer layer.

Further, the shell of the liner is equipped with multiple bodies of rod, and the body of rod is equipped with groove, and bolt is set in groove；Furnace The inner cavity of body is connected with support frame, and support frame is connect by bolt with groove.

Further, outer idler wheel is connected between the outside and furnace body of the liner, outer idler wheel is connected on track, track peace Intracavity bottom loaded on furnace body.

Further, the plate edge joint position of the inner casing is equipped with plate, is fixedly connected between plate and plate.

Further, Nian Jie by colloid between the plate and plate, blending bolt compresses.

Further, the shear strength of the colloid is greater than 5MPa.

Further, the surface layout of the shell has multiple holes, hole outwardly convex.

Further, the inner surface of the partition and/or outer surface are equipped with coat of silicon carbide.

Further, the material of the internal trolley mechanism is one of graphite, carbon carbon, silicon carbide, corundum, molybdenum or tungsten.

Further, the blower is high-temperature blower, including motor, motor shaft and impeller, heatproof >=450 DEG C；, the one of blower Part or all of structure is set in the cavity of liner, and the part protruded into liner cavity is water cooled collet package.

Further, the internal trolley mechanism is equipped with bottom plate.

Further, the structure of bottom plate is identical as partition.

Beneficial effects of the present invention:

(1) it is excessively high in that a part of temperature close to calandria to avoid workpiece, and other parts temperature is lower, and workpiece can be made equal It is even heated；

(2) liner is made of heat-resisting material, can heatproof >=450 DEG C, can be used for height hold burn pressure-bearing occasion；

(3) internal trolley mechanism is made of heat resistant and wear resistant material, is held especially suitable for height and is burnt pressure-bearing occasion；

(4) by the way that groove body is arranged on the shell, on the basis for being conducive to each component connection, additionally it is possible to flexible bumper housings Swell increment or shrinkage prevent stress suffered by shell from concentrating or generate brittleness etc., to guarantee the stability of shell and reliable Property；

(5) insulating layer of liner is by not only acting as good heat insulating effect for carbon felt layer and aluminium silicate wool layer structure, and And from heavy and light, intensity is big, and structural stability is high；On the other hand, hot environment can be suitable for.

(6) pass through the groove on the setting body of rod and the body of rod, convenient for will be connected and fixed between liner and furnace body, the company of greatly improving Connect strength and stability；

(7) liner expanded by heating or when shrinking, can carry out dual compensation by outer idler wheel and groove body, to reduce connecting portion Stress is concentrated, and realizes the scalable variation of liner；

(8) part or all of structure of blower is set in the cavity of liner, and is water cooled collet package, on the one hand can be significantly Shorten the length of motor shaft, improves stability when draught fan impeller rotation；On the other hand, the entire part in high-temperature region is protruded into not It can be damaged or be broken because of overheat, the mechanical performance of motor and motor shaft will not be influenced, greatly improve service life；

(9) surface of liner holder can shed in hole by setting hole, the gases such as vapor, prevent from causing in furnace body The accumulation of vapor, and improve thermal diffusivity；

(10) partition or bottom plate are set to the cell structure of more cavitys, workpiece on the one hand can be made heated or be cooled uniformly, separately On the one hand, partition or bottom plate can heated fast or cooling, greatly improve working efficiency and workpiece quality.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of furnace interior of the embodiment of the present invention；

Fig. 2 is the attachment structure schematic diagram of partition of the embodiment of the present invention；

Fig. 3 is the inner-tube structure schematic diagram of the embodiment of the present invention；

Fig. 4 is the structural schematic diagram of idler wheel assembly of the embodiment of the present invention；

Fig. 5 is the structural schematic diagram of idler wheel seat assembly of the embodiment of the present invention；

Fig. 6 is the structural schematic diagram of workpiece of the embodiment of the present invention；

Fig. 7 is the structure schematic diagram of furnace body of the embodiment of the present invention.

Specific embodiment

The present invention is described in further details below with reference to Figure of description and specific embodiment.

A kind of internal structure of furnace body as shown in Figure 1:, including liner 1, the cavity of liner 1 are connected with partition 2, and partition 2 will Liner is divided at least two cavitys, wherein having a cavity is working chamber 11；Internal trolley mechanism 3, internal trolley are equipped in working chamber 11 Workpiece 5 is placed in mechanism 3；The side of liner 1 is equipped with high-temperature blower.

Above scheme has the advantage that (1) by setting partition 2, working chamber is separated with other cavitys, is such as heated It is excessively high in that a part of temperature close to calandria to can avoid workpiece for chamber, and other parts temperature is lower, causes workpiece heated not Uniformly；(2) by the way that internal trolley mechanism is arranged in working chamber, on the one hand it is convenient for conveying workpieces, especially large-scale workpiece, time saving province Power；On the other hand, integral structure can be formed with liner, it is easy to carry；(3) blower is arranged in the side of liner, can will be hot Gas or cold air are sent to liner, and workpiece is heated or cooled.

In the present invention, liner can be divided by partition by least two cavitys, as working chamber and heating chamber, working chamber and Cooling chamber or working chamber, heating chamber and cooling chamber etc..Settable calandria in heating chamber, such as resistive heater, heater Deng.Settable cooler or water-cooling jacket etc. in cooling chamber.Certainly, the present invention can also only setting working chamber, another cavity be Sky is more concentrated in this way, the volume of working chamber can be reduced so that workpiece is heated or cooled, and calandria and cooling body are mountable In the outside of furnace body, hot gas or cold air are passed through into liner by circulating line.The present embodiment preferably passes through partition 2 will be interior Gallbladder 1 is divided into working chamber 11 and heating chamber 12, and one side structure is simple, on the other hand, workpiece thermally equivalent can be made by partition.

In the present invention, partition is the cell structure plate or solid panel of more cavitys；Or partition include solid panel and The cell structure plate of more cavitys is stacked together between two plate bodys.

In the present solution, partition 2 preferably uses the cell structure of more cavitys, in this way, thermal current or cold airflow being capable of uniform flows The each cavity for crossing partition, can make workpiece thermally equivalent or cooling.Wherein, one end of partition 2 is air inlet, and the other end is One end air inlet of port, cold air or hot gas from partition 2, other end outlet realize the circulation of hot wind or cold wind.And partition 2 being capable of heated fast or cooling.

It is as shown in Figure 2: when furnace body volume is larger, multiple partitions can be spliced integral.Preferred splicing construction are as follows: partition 2 one end thickness reduces, and an energy conservation of diminution is enough inserted in the inner cavity of another partition 2.In such manner, it is possible to preferably connect adjacent two Block partition will not generate loosening after connection.It in addition, one end thickness of partition reduces, can be formed ladder-like, be inserted in partition just In the cavity of another partition, docking is realized, the cavity between each partition is connected, and just makes flush after the docking of partition 2, It is preferred that fixed by bolt 21.

Certainly, partition can also with the card slot part of other troughs of belt, such as by card slot part be set to liner on, partition reduce portion Divide in the groove body of insertion card slot part, realizes being connected and fixed between furnace body.The partial insertion card slot part of diminution or partition it is interior After in chamber, can by welding, at least one of rivet, be spirally connected or be glued mode and be attached fixation.And it riveting, is spirally connected or glue Connect material high temperature resistant used.

Partition 2 using carbon carbon material, graphite, silicon carbide, corundum, stainless steel or copper at.These materials have high temperature resistant, The advantages that rapid heat dissipation, linear expansion coefficient are low, intensity is high, corrosion-resistant.

The surface of partition 2 is equipped with coat of silicon carbide.Coat of silicon carbide can make plate body have high-melting-point, high rigidity, corrosion resistant The advantages that losing, is wear-resisting, anti-oxidant has good Burning corrosion resistance energy, further enhances especially in 1800-2000 DEG C of range The height of plate body holds burning load performance.

In the present invention, liner 1 can also be spliced to form with being whole liner by more piece liner.

As shown in Figure 3: liner 1 includes shell 13, insulating layer and inner casing 14.Wherein, insulating layer preferably includes carbon felt layer 15 With aluminium silicate wool layer 16, carbon felt layer 15 is internal layer, and aluminium silicate wool layer 16 is outer layer.

In above scheme, aluminium silicate wool has the property such as light, fire prevention, derivative coefficient is low, attraction coefficient is high, resist chemical Can, carbon felt is also referred to as carbon fiber felt, is enhancing structure, has many advantages, such as that heat-resisting, acidproof, alkaline-resisting, intensity is high.By by carbon felt and silicon Sour aluminum wool combines, and on the one hand plays the effect of insulation, and on the other hand, anti-bend reinforced ability is strong.In addition, carbon felt is with respect to glass For fibrofelt, from heavy and light, the Effect of Bending Reinforcement is more preferable.By by carbon felt layer and aluminium silicate wool layer structure, not only acting as very well Heat insulating effect, and from heavy and light, intensity is big, and structural stability is high.

In the present invention, the plate of inner casing is single layer plate or hollow flase floor.For hollow flase floor is with respect to single layer plate, From heavy and light, and convenient for heat dissipation.For the relatively hollow flase floor of single layer plate, easy to process and installation.

Preferably, as shown in Figure 3: the plate edge joint position of inner casing 14 is equipped with plate 141, fixed between plate 141 and plate Connection.If inner casing area is larger, it usually needs multi-sheets be spliced to form inner casing, and the usual bonding strength in stitching portion It is low, and leakproofness is poor, by the way that plate 141 is arranged, can greatly reinforce the bonding strength of plate piece, improve stability and sealing Property.Nian Jie by colloid between plate 141 and the plate of inner casing, blending bolt 142 compresses.Guarantee to seal by colloid bonding Property significant effect, compressed with bolt 142 and further increase leakproofness, if working chamber will guarantee that oxygen-free environment, above structure can Gas leakage is prevented, vacuum degree is improved.Colloid is high-temperature plastic.Wherein, the bolt material at liner is carbon carbon, graphite, molybdenum, tungsten or carbon It is a kind of in SiClx, to guarantee the service life in a high temperauture environment of bolt 142.The shear strength of above-mentioned colloid is preferably greater than 5MPa to prevent from generating relative displacement between plate 141 and the plate of inner casing 14, and then improves stable connection and leakproofness. The shear strength of colloid preferably 10 ~ 100MPa, more preferably 20 ~ 80MPa, further preferably 30 ~ 50MPa.

In the present invention, the material of inner casing 14 is one in carbon carbon plate, carborundum plate, corundum plate, graphite plate, molybdenum plate or tungsten plate Kind.The preferably above-mentioned material of inner casing 14, with high temperature resistant, corrosion-resistant, tensile strength is high, shock resistance, impact resistance, elasticity modulus are high The advantages that, since inner casing Contact Temperature is very high, need very high temperature, can heatproof > 1000 DEG C, be highly suitable for furnace body liner Structure.

In the present invention, the material of shell 13 is one of stainless steel, carbon steel or low alloy steel.The preferred steel of enclosure material Matter, relatively for the material of inner casing, therefore the temperature that one side shell is contacted is wanted the heatproof of enclosure material lower than inner casing It asks lower than inner casing；On the other hand, steel construction is easily installed, thinner thickness, and have higher plasticity, toughness, mechanical strength and Corrosion resistance.If inner casing uses stainless steel material, on the one hand it is easy to generate oxidation under high temperature environment, on the other hand, steel The thermal conductivity of matter is preferable than carbon carbon plate, carborundum plate, corundum plate, graphite plate, molybdenum plate or tungsten plate, not easy heat radiation.

As shown in Figure 3: the surface layout of shell 13 has multiple holes 131,131 outwardly convex of hole.By the way that hole is arranged 131, the gases such as vapor can shed in hole, prevent the accumulation that vapor is caused in furnace body, and improve thermal diffusivity.

Be connected with multiple groove bodies 132 on shell 13, in the bottom insertion shell 13 of groove body 132, the two side ends of groove body 132 with Shell 13 connects.By the way that groove body 132 is arranged, it is on the one hand capable of forming retractable structure, when shell expanded by heating or by cold events When, by groove body can flexible bumper housings swell increment or shrinkage, prevent stress suffered by shell from concentrating or generating brittleness etc., To guarantee the stability and reliability of shell；On the other hand, setting groove body such as exists convenient for shell and insulating layer to be attached Bolt is set in groove body, greatly improves the stability of connection.

The end face of groove body can be concordant with shell, is also possible to extend shell.Groove body can be U-type groove, square groove or Dovetail groove etc..

As shown in figures 1 and 3: the shell 13 of liner is equipped with multiple bodies of rod 6, and the body of rod 6 is equipped with groove 61, in groove 61 Equipped with bolt 62；The inner cavity of furnace body is connected with support frame 7, and support frame 7 is connect by bolt 62 with groove 61.By the way that groove is arranged 61, convenient for will be connected and fixed between liner 1 and furnace body 8, improve the stability of connection.It, can be to liner by the way that support frame 7 is arranged 1 is supported fixation, prevents liner 1 from generating shaking.Wherein, the body of rod 6 can be plate or bulk etc..

The body of rod 6 is set to the side of liner；Or the body of rod is set to the side and bottom of liner.The body of rod is set to the side of liner Portion can prevent liner from generating and shake or shift so that support frame is symmetrically connected to the two sides of liner；The body of rod also can be set The bottom of liner, convenient for being bolted with the bottom of furnace body.The body of rod can laterally be arranged, is longitudinally disposed or angularly disposed.

The top of liner is connect by support frame with furnace body.Since the top of liner is not subject to pressure substantially, there is no need to The setting body of rod is attached fixation, will directly be connected between liner and the inner cavity of furnace body by support frame.Certainly, liner Top can also be not connected to furnace body.

Support frame is preferably trivet, because triangle is stablized, since liner volume is big, weight is big, passes through three-legged structure Support frame can be improved the stability of liner.Certainly, support frame is also possible to other shapes, such as L-type, linear type, T-type. It is preferably bolted between support frame and furnace body.It is of course also possible to be the modes such as welding, clamping, joggle, as long as being capable of fixing ?.

Preferably, as shown in Figure 3: the body of rod 6 is set between two neighboring groove body 132 above-mentioned.The body of rod 6 can directly and outside Shell connection, can also connect with the side of groove body 132 on this basis, further increase bonding strength, and the body of rod 6 is set to phase Between adjacent two groove bodies, it can be avoided the body of rod and generate displacement etc..

As shown in Figure 1: in the present invention, internal trolley mechanism 3 is equipped in working chamber 11, internal trolley mechanism 3 includes being set to work Multiple idler wheel seat assemblies 31 in bottom of chamber portion are equipped with idler wheel assembly 32 on idler wheel seat assembly 31.Bottom is placed on idler wheel assembly 32 Plate 9.For placing workpiece 5 on bottom plate 9.

Bottom plate is the cell structure or solid construction of more cavitys；Or more than one cavity is placed on the bottom plate of solid construction Cell structure plate.Bottom plate 9 preferably uses the cell structure of more cavitys, in this way, thermal current or cold airflow can flow uniformly through bottom plate Each cavity, workpiece thermally equivalent or cooling can be made, especially convenient for being quickly cooled down.

The material of bottom plate is one of graphite, carbon carbon, silicon carbide, corundum, molybdenum or tungsten.Above-mentioned material holds burning with height and holds Characteristic is pressed, fire resisting and wearability are good, and linear expansion coefficient is low, corrosion-resistant.

One end thickness of bottom plate reduces, and an energy conservation of diminution is enough inserted in the inner cavity of another bottom plate, and is bolted. When furnace body volume is larger, it may be necessary to the splicing of muti-piece bottom plate is integral, it, can be more preferable by reducing one end of bottom plate Ground connects adjacent two pieces of bottom plates, so that will not generate loosening after two pieces of bottom plate connections.In addition, one end thickness of bottom plate reduces, it can It is formed ladder-like, is inserted in bottom plate just in the cavity of another bottom plate, realize docking, and just make surface flat after partition docking Together.

The inner surface of bottom plate and/or outer surface are equipped with coat of silicon carbide.Coat of silicon carbide can make plate body have high-melting-point, High hardness and corrosion resistance, it is wear-resisting, anti-oxidant the advantages that, especially in 1800-2000 DEG C of range, there is good Burning corrosion resistance energy, The height for further enhancing bottom plate holds burning load performance.

As shown in Figure 4: idler wheel assembly 32 includes idler wheel 321, bearing 322 and bearing block 323, the protruding axis of idler wheel 321 324, axis 324 is inserted into bearing 323, and bearing 322 is fixed on bearing block 323, and bearing block 323 is set on idler wheel seat assembly 32.

The material of idler wheel 321, bearing 322 and bearing block 323 is one of graphite, carbon carbon, silicon carbide or corundum.Due to Idler wheel, bearing and bearing block are set in the cavity of liner, when being heated at high temperature to workpiece, are easy to idler wheel, bearing and bearing Seat impacts, it is therefore desirable to and material resistant to high temperature is selected, and needs to place workpiece on idler wheel, if placement volume is big, weight Big workpiece, it is necessary to the material for selecting high pressure-bearing, wearability good, therefore, the preferred stone of the material of idler wheel, bearing and bearing block Ink, carbon carbon, silicon carbide or corundum, these materials have that high temperature resistant, rapid heat dissipation, linear expansion coefficient is low, intensity is high, corrosion-resistant etc. excellent Point.

The diameter of idler wheel 321 is greater than the outer diameter of bearing 322.In such manner, it is possible to make the smooth conveying of workpiece, bearing not will receive 322 obstruction.

As shown in Figure 5: idler wheel seat assembly 31 includes roller mount 311, dagger 312 and pedestal 313, and idler wheel assembly 32 is set to rolling On wheel seat 311, roller mount 311 is mounted on dagger 312, and dagger 312 is mounted in threaded set 314, is threaded into pedestal 313, pedestal 313 is connect with liner 1.By the way that dagger 312 is arranged, and dagger 312 is mounted in threaded set 314, it can The stability for improving dagger 312 will not generate shaking, and then improve the stability of roller mount 311, and bottom plate 9 is being rolled Reliability service on wheel.

Roller mount and the material of dagger are one of graphite, carbon carbon, silicon carbide, corundum, molybdenum or tungsten.Select above-mentioned material Matter has many advantages, such as that high temperature resistant, corrosion-resistant, tensile strength is high, shock resistance, impact resistance, elasticity modulus are high, can heatproof >= 1000℃

Idler wheel seat assembly passes through inner casing, the insulating layer of liner, the cage connection with liner.In this way, by inner casing, insulating layer it is more It protects again, is greatly improved the stability of idler wheel seat assembly, loosening will not be generated.

Outer idler wheel 10 is connected between the outside of liner 1 and furnace body 8 as shown in Figure 1:, outer idler wheel 10 is connected to track 81 On, track 81 is installed on the intracavity bottom of furnace body 8.By the way that outer idler wheel 10 is arranged, it is capable of the thermal expansion effect of effective compensation liner 1 It answers, the stress for reducing connecting portion is concentrated, and the scalable variation of liner is realized, to effectively solve in the prior art using spiral shell Bolt is fixedly connected with the technical problem for generating stress rupture.

In the present invention, the side of liner is equipped with high-temperature blower, high-temperature blower heatproof >=450 DEG C.Preferably, high-temperature blower Heatproof >=600 DEG C；It is highly preferred that high-temperature blower heatproof >=800 DEG C；It is further preferred that high-temperature blower heatproof >=1000 DEG C, then It is further preferred that high-temperature blower heatproof >=1500 DEG C.

In the present invention, the outside that the motor of high-temperature blower is set to liner can be, the part axis and impeller of motor are located at In working chamber.It is also possible to for the motor, motor shaft and impeller of high-temperature blower to be set to the inside of liner ontology, in this way, can To greatly shorten the length of motor shaft, stability when draught fan impeller rotation is improved.

Motor, the motor shaft protruded into inside liner is wrapped up by the shell with water-cooling jacket, so that protruding into height Motor in warm area and motor shaft are all cooled, that is, that protrudes into high-temperature region entire will not partially be damaged or disconnected because of overheat It splits, the mechanical performance of motor and motor shaft will not be influenced, greatly improve service life.

Below it is a preferred embodiment of the present invention:

As shown in Figure 6: the workpiece 5 of the present embodiment includes first panel 51, second panel 52 and set between the two multiple Core pipe 53.

The cross sectional shape of core pipe 53 is the round or side N shape, and N >=3 or cross sectional shape are polymorphic structure, such as angle-style.I-shaped Type, groove type etc..The core pipe of the present embodiment is preferably round tube.Form the air flue of perforation after arranging between multiple core pipes, core pipe with Copper solder 54 is equipped between panel.The upper and lower ends of core pipe 53 are equipped with flange 55.

It is as shown in Figure 1 and Figure 7: above-mentioned workpiece being placed on bottom plate 9, workpiece 5 is pushed by liner by internal trolley mechanism 3 In working chamber 11, workpiece 5 is brazed.The top of liner 1 is equipped with partition 2, and bottom plate 9 and partition 2 are the grid of more cavitys Structure, and bottom plate 9 and partition 2 are spliced by muti-piece plate body.Liner 1 is to add at working chamber 11 and heating chamber 12 by partition 2 It is equipped with resistive heater 121 in hot chamber 12, and working chamber 11 is connected with heating chamber 12.When soldering, protective gas is by high temperature wind Power traction to heating chamber 12, the resistive heater 121 of heated chamber 12 becomes hot gas after heating, and a part of hot gas enters work Chamber 11, a part of gas enter in the grid cavity of partition 2 and bottom plate 9, and hot gas runs through the inner cavity of workpiece 5, with each core Pipe 53 contacts, and keeps the temperature of the front and back end up and down of workpiece 5 close, greatly improves uniform temperature, in this way, workpiece would not be because of Heat differential and generate and deform.After soldering, high-temperature blower 4 and resistive heater 121 are closed.It is set on the bell of furnace body 8 There are fast air-cooler 82 and heat exchanger 83, heat exchanger 83 is tube shell type structure, is water in pipe, walks the gas that need to be cooled down in shell.Heat exchange The outside of device is water-cooling jacket.The water in water and water-cooling jacket pipe in heat exchanger 83 is after cooling by the gas cooling of process Gas is led in working chamber 11 by fast air-cooler 82, and a part of cold air is directly entered working chamber 11, some cold air In into the grid cavity of bottom plate 9 and partition 2, in this way, the temperature of the front and back end up and down of workpiece 5 is close, keep workpiece cooling Uniformly, brazing quality is improved, and partition 2 and bottom plate 9 can be also quickly cooled down.After cooling, internal trolley mechanism 3 can be passed through Workpiece 5 is released.

Multiple U-shaped groove bodies are connected in the present embodiment, on liner holder, during workpiece soldering, once liner Expanded by heating can form retractable structure, when shell expanded by heating or by cold events by the groove body connected on liner holder When, by groove body can flexible compensation shell swell increment or shrinkage；In addition, the outside of liner, which passes through, is arranged outer idler wheel, it can The thermal expansion effects of effective compensation liner, the stress for reducing connecting portion are concentrated, and realize the scalable variation of liner.

In the present embodiment, the bolt connected inside partition, bottom plate, internal trolley mechanism and liner is by heat-resisting material system At, it is ensured that phenomena such as structural stability is high in the high temperature environment for it, is less prone to malformation, oxidation greatly improves use Service life.

Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technology Within, then the present invention also includes these modifications and variations.

Claims

1. a kind of internal structure of furnace body, which is characterized in that including liner, the cavity of liner is connected with partition, and partition is by liner It is divided at least two cavitys, wherein having a cavity is working chamber；It is equipped with internal trolley mechanism in working chamber, is placed in internal trolley mechanism Workpiece；The side of liner is equipped with blower.

2. the internal structure of furnace body according to claim 1, which is characterized in that the partition is the cell structure plate of more cavitys Or solid panel；Or partition includes the cell structure plate of solid panel and more cavitys, is stacked together between two plate bodys.

3. the internal structure of furnace body according to claim 1, which is characterized in that the partition uses carbon carbon material, graphite, carbon SiClx, corundum, stainless steel or copper at.

4. the internal structure of according to claim 1 or 2 or 3 furnace bodies, which is characterized in that the liner includes shell, heat preservation Layer and inner casing.

5. the internal structure of furnace body according to claim 4, which is characterized in that the material of the inner casing is carbon carbon plate, carbonization One of silicon plate, corundum plate, graphite plate, molybdenum plate or tungsten plate；Or the material of shell is stainless steel, in carbon steel or low alloy steel One kind；Or the insulating layer includes carbon felt layer and aluminium silicate wool layer, the carbon felt layer is internal layer, and aluminium silicate wool layer is outer Layer.

6. the internal structure of furnace body according to claim 4, which is characterized in that be connected at least one slot on the shell The bottom of body, groove body is embedded in shell, the two side ends and cage connection of groove body.

7. the internal structure of furnace body according to claim 4, which is characterized in that the shell of the liner is equipped with multiple bars Body, the body of rod are equipped with groove, and bolt is set in groove；The inner cavity of furnace body is connected with support frame, and support frame passes through bolt and groove Connection.

8. the internal structure of furnace body according to claim 4, which is characterized in that the surface layout of the shell has multiple holes Hole, hole outwardly convex.

9. the internal structure of furnace body according to claim 4, which is characterized in that the plate edge joint position of the inner casing is equipped with flat Plate is fixedly connected between plate and plate；Or it is Nian Jie by colloid between the plate and plate, blending bolt compresses；Or The shear strength of colloid described in person is greater than 5MPa.

10. the internal structure of according to claim 1 or 2 or 3 furnace bodies, which is characterized in that the inner surface of the partition and/or Outer surface is equipped with coat of silicon carbide.

11. the internal structure of according to claim 1 or 2 or 3 furnace bodies, which is characterized in that the material of the internal trolley mechanism For one of graphite, carbon carbon, silicon carbide, corundum, molybdenum or tungsten.

12. the internal structure of according to claim 1 or 2 or 3 furnace bodies, which is characterized in that the blower is high-temperature blower, packet Include motor, motor shaft and impeller, heatproof >=450 DEG C；, part or all of structure of blower is set in the cavity of liner, protrudes into Part in liner cavity is water cooled collet package.

13. the internal structure of according to claim 1 or 2 or 3 furnace bodies, which is characterized in that the internal trolley mechanism is equipped with Bottom plate；Or the structure of the bottom plate is identical as partition.

14. the internal structure of according to claim 1 or 2 or 3 furnace bodies, which is characterized in that the outside of the liner and furnace body Between be connected with outer idler wheel, outer idler wheel is connected on track, and track installation is in the intracavity bottom of furnace body.