CN214406927U

CN214406927U - High-temperature spiral conveying heating device and brazing furnace thereof

Info

Publication number: CN214406927U
Application number: CN202022697826.1U
Authority: CN
Inventors: 扈杰
Original assignee: Xi'an Aojie Electric Heating Engineering Co ltd
Current assignee: Xi'an Aojie Electric Heating Engineering Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-10-15
Anticipated expiration: 2030-11-19

Abstract

The utility model belongs to the technical field of the industrial heating furnace, a high temperature spiral delivery heating device and stove of brazing is related to, including furnace body, conveyor, heating device, spiral plate, a plurality of transmission shafts, support, a plurality of transmission shafts are installed on the support and cavity setting, parallel with the furnace body axis, its axle head is equipped with first cooling medium entry and export, and every transmission shaft is equipped with the wheel of dialling along its axial, and the wheel of dialling dials the conveyer belt and moves on the spiral plate, be equipped with the drive arrangement who makes the transmission shaft rotatory on the support, the support sets up inner circle, outer lane pillar, and inner circle, outer lane pillar cavity setting, tip are equipped with second cooling medium entry and export, and insulating layer is all wrapped up in to inner circle, outer lane pillar, a plurality of transmission shaft outside for performance such as intensity, rigidity, oxidation resistance of transmission shaft and support obtain improving. The two core components are ensured to work at a lower temperature, the problems of structural stability, transmission reliability and short service life of the equipment are solved, and a higher working temperature range can be reached.

Description

High-temperature spiral conveying heating device and brazing furnace thereof

Technical Field

The utility model belongs to the technical field of the industrial heating furnace, especially, relate to a high temperature auger delivery heating device and stove of brazing thereof.

Background

At present, the working temperature of a conventional spiral conveying heating furnace is below 200 ℃, and after the working temperature exceeds 200 ℃, particularly, the working temperature is influenced by the thermal deformation of materials at high temperature, the plasticity, the strength, the rigidity, the oxidation resistance and other properties of core components of the spiral conveying heating furnace are all reduced at high temperature, and the structural stability, the reliability of a transmission system and the service life of the spiral conveying heating furnace cannot be normally ensured.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem in the above-mentioned background art, the utility model provides a high temperature auger delivery heating device and stove of brazing thereof, it has guaranteed under the high temperature that its core part remains throughout and works under lower temperature (below 100 ℃), has solved the short problem of structural stability, transmission system reliability, equipment life of above-mentioned equipment, can reach the higher operating temperature interval's of degree advantage.

On the one hand, the utility model provides a high temperature auger delivery heating device realizes through following technical scheme:

including furnace body, conveyor, heating device and being in spiral plate in the furnace body, still including locating support and the rotation in the furnace body are located a plurality of transmission shafts on the support, the spiral plate is located on the support, it is a plurality of the transmission shaft with furnace body axis parallel arrangement, transmission shaft cavity sets up, and its axle head is equipped with first coolant entry and first coolant export, every the transmission shaft is provided with a plurality of thumb wheels along its axial, the thumb wheel is used for stirring the conveyer belt and removes on the spiral plate, be equipped with the drive on the support the rotatory drive arrangement of transmission shaft.

As a further explanation of the utility model: the support comprises an upper cover, a lower cover, a furnace body cylinder wall, a group of outer ring struts and a group of inner ring struts, wherein the inner ring struts, the outer ring struts and the furnace body are coaxially arranged, the inner ring struts and the outer ring struts are arranged in a hollow mode, two ends of the inner ring struts and two ends of the outer ring struts are fixedly connected with the upper cover and the lower cover respectively, and second cooling medium inlets and second cooling medium outlets are formed in the end portions of the inner ring struts and the outer ring struts.

As a further explanation of the utility model: the transmission shaft is located outside the spiral plate and/or inside the spiral plate.

As a further explanation of the utility model: every the transmission shaft outside all wraps up first insulating layer, first insulating layer both ends respectively with support fixed connection, first insulating layer with correspond leave the clearance between the transmission shaft.

As a further explanation of the utility model: the transmission shaft structure is characterized by further comprising a first heat insulation layer arranged on the support, the first heat insulation layer wraps the plurality of transmission shafts, and gaps are reserved between the first heat insulation layer and each transmission shaft.

As a further explanation of the utility model: the first heat insulation layer is fixedly connected with a shifting wheel box at the shifting wheel, the shifting wheel box wraps the shifting wheel, a gap is reserved between the shifting wheel and the shifting wheel box, and the shifting wheel box is opened towards the side edge of the conveying belt and used for shifting the conveying belt to move on the spiral plate.

As a further explanation of the utility model: and two ends of each transmission shaft are respectively and rotatably connected with the upper cover and the lower cover.

As a further explanation of the utility model: each inner ring strut is wrapped with a second heat insulation layer, and each outer ring strut is wrapped with a third heat insulation layer.

As a further explanation of the utility model: and the group of inner ring struts is wrapped with a second heat insulation layer, and the group of outer ring struts is wrapped with a third heat insulation layer.

As a further explanation of the utility model: every the transmission shaft outside all is provided with first insulating layer, first insulating layer parcel the transmission shaft and with transmission shaft fixed connection, work as when the transmission shaft sets up in the spiral board outside, all leave the clearance between first insulating layer and the third insulating layer, work as when the transmission shaft sets up at the spiral board inboard, all leave the clearance between first insulating layer and the second insulating layer.

As a further explanation of the utility model: the spiral plate comprises an arc plate and a plurality of supporting bricks arranged between the outer ring support column and the inner ring support column, and the arc plates are placed on the supporting bricks and sequentially laid into a spiral channel.

As a further explanation of the utility model: the spiral plate comprises a plurality of supporting plates and rotating rollers rotatably mounted on the supporting plates, a plurality of supporting plates are arranged between the outer ring strut and the inner ring strut, and a plurality of rotating rollers are mounted on the plurality of supporting plates and are sequentially laid into spiral channels.

On the other hand, the utility model provides a high temperature auger delivery heats stove of brazing, including the first aspect high temperature auger delivery heating device's structure.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. when the device is used, the driving device drives the transmission shaft to rotate, then the poking wheel drives the conveying belt to move along the spiral plate, and the cooling medium is introduced into the hollow part of the transmission shaft to reduce the temperature of the transmission shaft. Meanwhile, the transmission shaft is wrapped by the first heat insulation layer and insulated with the inside of the furnace, so that heat in the furnace is consumed very little, the transmission shaft is ensured to operate at a lower temperature all the time, and the plasticity, strength, rigidity, oxidation resistance and other properties of the transmission shaft and the pulling wheel are greatly improved.

2. When the device is used, the outer cooling support and the inner cooling support on the support are arranged in a hollow mode and filled with cooling media, and the temperature of the supports is reduced. Meanwhile, the outer cooling strut is provided with a second heat insulation layer package to insulate heat in the furnace, and the inner cooling strut is provided with a third heat insulation layer package to insulate heat in the furnace. Ensuring that the cooling struts always operate at a lower temperature. As a furnace body core support, the plasticity, the strength, the rigidity, the oxidation resistance and other properties of the furnace body core support are greatly improved. Thereby ensuring the structural stability of the screw device at high temperature and the reliability of a transmission system and prolonging the service life at the same time.

Drawings

Fig. 1 is a top view of the overall structure of the present invention.

Fig. 2 is A cross-sectional view of the cross-section A-O-A of fig. 1 according to the present invention.

Fig. 3 is a cross-sectional view of the cross-section B-B of fig. 1 according to the present invention.

Description of the reference numerals

1. A furnace body; 2. a spiral plate; 21 supporting the brick; 22. a circular arc plate; 3. a support; 31. an upper cover; 32. a lower cover; 33. an outer ring strut; 331. a third thermal insulation layer; 34. an inner ring strut; 341. a second cooling medium inlet; 342. a second cooling medium outlet; 343. a second thermal insulation layer; 35. a cylinder wall; 351. a conveyor belt inlet; 352. an outlet of the conveyor belt; 4. a drive shaft; 41. a poking wheel; 42. a first cooling medium inlet; 43. a first cooling medium outlet; 5. a drive device; 6. a first insulating layer; 61. pulling the wheel box; 8. a conveying device; 81. a conveyor belt; 82. a furnace external drive system.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1 to 3, a high-temperature spiral conveying and heating device comprises a furnace body 1, a conveying device 8, a heating device, a spiral plate 2, a bracket 3 and a plurality of transmission shafts 4.

In this embodiment, the bracket 3 includes an upper cover 31, a lower cover 32, a furnace body cylinder wall 35, a set of outer ring struts 33 and a set of inner ring struts 34, the inner ring struts 34 and the outer ring struts 33 are hollow, two ends of the inner ring struts 34 and two ends of the outer ring struts 33 are respectively connected to the upper cover 31 and the lower cover 32, and the ends of the inner ring struts 34 and the outer ring struts 33 are provided with a second cooling medium inlet 341 and a second cooling medium outlet 342.

In this embodiment, the furnace body 1 is a cylindrical cavity, the conveying device 8 includes a conveying belt 81 and an external driving system 82, the conveying belt 81 enters the furnace body 1 through a conveying belt inlet 351 formed in the furnace body wall 35, and is wound along the spiral plate 2 to the top thereof, and then exits the furnace body 1 through a conveying belt outlet 352 formed in the furnace body wall 352 and returns to the conveying belt inlet 351 to form a circulation loop heating device for conveying materials by the conveying belt, including but not limited to electric heating, gas heating, and the like.

In this embodiment, the upper cover 31 and the lower cover 32 have the same structure, and together form a cylinder with the cylinder wall 35. The outer ring struts 33 and the inner ring struts 34 are identical in structure and equal in number and are coaxially arranged with the furnace body 1, a group of outer ring struts 33 is formed by surrounding 12 upright columns in uniform distribution into a cylinder, and a group of inner ring struts 34 is formed by surrounding 12 upright columns in uniform distribution into a cylinder. The end of the cylinder wall 35 close to the lower cover 32 is provided with a conveying belt inlet 351, the end of the cylinder wall 35 close to the upper cover 31 is provided with a conveying belt outlet 352, and the upright column is made of metal material.

In this embodiment, each inner ring strut 34 is wrapped with a second insulation layer 343, and each outer ring strut 33 is wrapped with a third insulation layer 331. The second heat insulation layer 343 is fixedly connected with the bottom wall of the upper cover 31 and the top wall of the lower cover 32, and the third heat insulation layer 331 is fixedly connected with the bottom wall of the upper cover 31, the top wall of the lower cover 32 and the cylinder wall 35. Second insulating layer 343 and third insulating layer 331 are made of a high temperature resistant material.

In this embodiment, be equipped with on the support 3 and drive the rotatory drive arrangement 5 of transmission shaft 4, set up four transmission shafts 4 on the support 3, four transmission shafts 4 evenly distributed are on a concentric circumference of furnace body 1, and are parallel with furnace body 1 axis. The transmission shafts 4 are arranged in a hollow mode, the shaft ends of the transmission shafts are respectively provided with a first cooling medium inlet 42 and a first cooling medium outlet 43, each transmission shaft 4 is provided with 4 poking wheels 41 along the axial direction of the transmission shaft, and the specifications and the sizes of the poking wheels 41 are in friction or meshing with the side edge of the conveying belt 8. Bearing boxes are arranged between the two ends of the transmission shaft 4 and the upper cover 31 and the lower cover 32 to realize the rotary connection between the transmission shaft 4 and the upper cover 31 and the lower cover 32. The transmission shaft 4 and the dial wheel 41 are made of metal materials.

In this embodiment, the transmission shafts 4 are located on the outer sides of the spiral plates 2, the outer side of each transmission shaft 4 is wrapped by a first heat insulation layer 6, and a gap is reserved between each first heat insulation layer 6 and each transmission shaft 4. The first heat insulation layer 6 is fixedly connected with a shifting wheel box 61 at each shifting wheel 41, the shifting wheel box 61 wraps the shifting wheel 41, a gap is reserved between the shifting wheel box and the shifting wheel 41, and an opening is formed in the shifting wheel box 61 in the direction towards the side edge of the conveying belt. So that the pulling wheel 41 rubs or engages the side edge of the conveyor belt 81.

In this embodiment, the first heat insulation layer 6 corresponding to the transmission shaft 4 and the shifting wheel boxes 61 arranged on the transmission shaft 4 are coaxially arranged, four shifting wheel boxes 61 on each transmission shaft 4 are arranged corresponding to the shifting parts 41, and two ends of the first heat insulation layer 6 are respectively fixedly connected with the upper cover 31 and the lower cover 32. The first heat insulation layer 6 is made of high temperature resistant material.

In this example, a material conveying device 8, an external transmission system 82, and a conveying belt 81 are provided beside the furnace body 1, enter the furnace body 1 through a conveying belt inlet 351, are coiled to the top along the spiral plate 2, are led out of the furnace body 1 through a conveying belt outlet 352, and return to the conveying belt inlet 351 to form a circulation loop for conveying materials by the conveying belt.

In this example, the driving device 5 is provided with four driving motors, the four driving motors are respectively connected with the four transmission shafts 4, and a speed reducer is arranged between the driving motors and the transmission shafts 4.

In the present embodiment, the cooling medium includes, but is not limited to, air, water, or cooling fluid, and the transmission shaft 4, the outer ring struts 33, and the inner ring struts 34 may be filled with different cooling media.

In this embodiment, the spiral plate 2 may be a spiral channel formed by a plurality of supporting bricks 21 sequentially installed on the inner ring column 34 and the outer ring column 33, and the circular arc plate 82 laid between adjacent supporting bricks 21, and the spiral plate 2 may also be a spiral channel formed by a supporting plate and a roller rotatably installed on the supporting plate.

In this embodiment, the furnace body 1 is provided with a protective atmosphere inlet, and the protective atmosphere contains hydrogen, nitrogen, a hydrogen-nitrogen mixture, DX gas, and RX gas.

The utility model discloses the theory of operation does:

the device during operation, if the material heating temperature is higher than 200 ℃, the conveyer belt 81 that will load the material by material conveyor 8 sends into furnace body 1 through conveyer belt entry 351 on the furnace body 1, and coil to its top along spiral plate 2, in this process, heating device heats the furnace body 1 inner chamber, driving motor drive transmission shaft 4 drives and dials driving wheel 41 and rotates, rotatory wheel 41 that dials makes the conveyer belt along spiral plate 2 motion with conveyer belt 81 side friction or meshing, locate the operation of the supplementary conveyer belt of material conveyor 8 outside furnace body 1 simultaneously. The conveyor 81 is drawn out of the furnace body 1 from an outlet 352 of the conveyor 81 on the furnace body 1 and returns to a conveyor circulation loop of a conveyor inlet 351 on the furnace body 1.

In the process, the hollow transmission shaft is filled with a cooling medium, so that the temperature of the transmission shaft is reduced. Meanwhile, the transmission shaft is wrapped by the first heat insulation layer and insulated with the inside of the furnace, so that heat in the furnace is consumed very little, the transmission shaft is ensured to operate at a lower temperature all the time, and the plasticity, strength, rigidity, oxidability and other properties of the transmission shaft are guaranteed at a high level.

And cooling media are introduced into the hollow arrangement of the outer cooling strut and the inner cooling strut on the support to reduce the temperature of the struts. Meanwhile, the outer cooling strut is provided with a second heat insulation layer package to insulate heat in the furnace, and the inner cooling strut is provided with a third heat insulation layer package to insulate heat in the furnace. Ensuring that the cooling struts always operate at a lower temperature. As a furnace body core support, the performance of plasticity, strength, rigidity, oxidability and the like of the furnace body core support is ensured at a high level. Thereby ensuring the structural stability of the screw device at high temperature and the reliability of a transmission system and prolonging the service life at the same time. Meanwhile, the heat in the furnace is rarely consumed due to the fact that the heat insulation layer is insulated from the heat source in the furnace.

Example two:

in this embodiment, the bracket further includes a first heat insulation layer 6 disposed on the bracket, the first heat insulation layer 6 wraps the plurality of transmission shafts 4, and a gap is left between the first heat insulation layer 6 and each of the transmission shafts 4. "besides, the rest is the same as the first embodiment, in this embodiment, the first heat insulation layer 6 is set to be in an annular column shape, and the first heat insulation layer 6 wraps the plurality of transmission shafts 4 at the same time.

Example three:

this embodiment removes "every transmission shaft (4) outside all is provided with first insulating layer (6), first insulating layer (6) parcel transmission shaft (4) and with transmission shaft (4) fixed connection, when transmission shaft (4) set up in spiral plate (2) outside, all leave the clearance between first insulating layer (6) and third insulating layer (331), when transmission shaft (4) set up in spiral plate (2) inboard, all leave the clearance between first insulating layer (6) and second insulating layer (343). In the embodiment, the first heat insulation layer 6 is cylindrical and is coaxially arranged with the transmission shaft 4, and the first heat insulation layer 6 rotates along with the corresponding transmission shaft 4.

Example four:

in this embodiment, except for "the group of inner ring struts 34 is wrapped with a second insulation layer 343, and the group of outer ring struts 33 is wrapped with a third insulation layer 331. "in addition, the rest is the same as the first embodiment, and in this embodiment, the second thermal insulation layer 343 and the third thermal insulation layer 331 are both in the shape of a circular column.

Example five:

in this embodiment, the bracket further includes a first heat insulation layer 6 disposed on the bracket, the first heat insulation layer 6 wraps the plurality of transmission shafts 4, and a gap is left between the first heat insulation layer 6 and each of the transmission shafts 4. The "and" set of inner ring struts 34 is wrapped with a second insulation layer 343 and the set of outer ring struts 33 is wrapped with a third insulation layer 331. "outer is the same as the first embodiment, in this embodiment, first thermal insulation layer 6, second thermal insulation layer 343, and third thermal insulation layer 331 are all arranged in an annular column shape, and first thermal insulation layer 6, second thermal insulation layer 343, and third thermal insulation layer 331 are coaxially arranged.

Example six: the second cooling medium inlet 341 and the second cooling medium outlet 342 are provided except for "the end portions of the inner ring struts 34 and the outer ring struts 33. "in addition, the rest is the same as the first embodiment, and in this embodiment, the second cooling medium inlet 341 and the second cooling medium outlet 342 may be provided at the same port of the outer ring strut 33 and the inner ring strut 34.

Example seven: except that "a set of outer ring struts 33 is enclosed into a cylinder by 12 upright posts evenly distributed, and a set of inner ring struts 34 is enclosed into a cylinder by 12 upright posts evenly distributed", the rest is the same as the first embodiment, in this embodiment, a set of outer ring struts 33 is enclosed into a cylinder by a plurality of upright posts evenly distributed, and a set of inner ring struts 34 is enclosed into a cylinder by 12 upright posts evenly distributed.

Example eight: the embodiment is the same as the first embodiment except that "one end of the transmission shaft 4 is provided with the first cooling medium outlet 43, and the other end is provided with the first cooling medium inlet 42", in this embodiment, the transmission shaft 4 may be provided with the first cooling medium outlet 43 and the second cooling medium inlet 42 at the same shaft end.

Example nine: except that the transmission shafts 4 are provided with four, the rest are the same as the first embodiment, and in the present embodiment, the number of the transmission shafts can be several.

Example ten: except that the driving device 5 is set to four driving motors, the four driving motors are respectively connected with the four transmission shafts 4, and the speed reducer is arranged between the driving motors and the transmission shafts 4, the rest is the same as the embodiment one, in the embodiment, the driving of the transmission shafts 4 can also be set to be a plurality of transmission shafts which are linked together and driven by 1 driving motor or a plurality of driving motors.

Example eleven: except that the transmission shaft 4 is located at the outer side of the spiral plate 2, the rest is the same as the first embodiment, and in this embodiment, the transmission shaft 4 may also be located at the inner side or at the inner and outer sides of the spiral plate 2.

Example twelve: except that each transmission shaft 4 is provided with 4 poking wheels 41 along the axial direction, the rest is the same as the first embodiment, and in the embodiment, each transmission shaft 4 can also be provided with a plurality of poking wheels 41 along the axial direction.

Example thirteen:

a high-temperature spiral conveying heating brazing furnace comprises all the structures in the first embodiment.

The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.

Claims

1. The utility model provides a high temperature auger delivery heating device, includes furnace body (1), conveyor (8), heating device and is located spiral plate (2) in furnace body (1), its characterized in that: still including locating support (3) in furnace body (1) are located with the rotation a plurality of transmission shafts (4) on support (3), spiral plate (2) are located on support (3), it is a plurality of transmission shaft (4) with furnace body (1) axis parallel arrangement, transmission shaft (4) cavity sets up, and its axle head is equipped with first cooling medium entry (42) and first cooling medium export (43), every transmission shaft (4) are provided with a plurality of driving wheels (41) along its axial, driving wheel (41) are used for stirring the conveyer belt and move on spiral plate (2), be equipped with the drive on support (3) transmission shaft (4) rotatory drive arrangement (5).

2. The high-temperature screw conveying heating device according to claim 1, characterized in that: the support (3) comprises an upper cover (31), a lower cover (32), a furnace body cylinder wall (35), a group of outer ring struts (33) and a group of inner ring struts (34), wherein the inner ring struts (34) and the outer ring struts (33) are coaxially arranged with the furnace body (1), the inner ring struts (34) and the outer ring struts (33) are all arranged in a hollow mode, the two ends of the inner ring struts (34) and the two ends of the outer ring struts (33) are respectively fixedly connected with the upper cover (31) and the lower cover (32), and second cooling medium inlets (341) and second cooling medium outlets (342) are formed in the end portions of the inner ring struts (34) and the outer ring struts (33).

3. The high-temperature screw conveying heating device according to claim 1, characterized in that: the drive shaft (4) is located outside the screw plate (2) and/or inside the screw plate (2).

4. The high-temperature screw conveying heating device according to claim 1, characterized in that: every transmission shaft (4) outside all wraps up first insulating layer (6), first insulating layer (6) both ends respectively with support (3) fixed connection, first insulating layer (6) with correspond leave the clearance between transmission shaft (4).

5. The high-temperature screw conveying heating device according to claim 1, characterized in that: the transmission shaft structure is characterized by further comprising a first heat insulation layer (6) arranged on the support (3), the transmission shafts (4) are wrapped by the first heat insulation layer (6), and gaps are reserved between the first heat insulation layer (6) and each transmission shaft (4).

6. The high-temperature screw conveying heating device according to claim 4 or 5, characterized in that: first insulating layer (6) in poke wheel (41) department fixedly connected with and pull a wheel box (61), it wraps up to pull a wheel box (61) it leaves the space to dial wheel (41) and between the two, move towards conveyer belt side opening on a wheel box (61) for it shifts conveyer belt (81) and moves on the spiral plate to supply to pull wheel (41).

7. The high-temperature screw conveying heating device according to claim 2, characterized in that: and two ends of each transmission shaft (4) are respectively and rotatably connected with the upper cover (31) and the lower cover (32).

8. The high-temperature screw conveying heating device according to claim 2, characterized in that: each inner ring strut (34) is wrapped with a second heat insulation layer (343), and each outer ring strut (33) is wrapped with a third heat insulation layer (331).

9. The high-temperature screw conveying heating device according to claim 2, characterized in that: a second heat insulation layer (343) is wrapped outside one group of the inner ring struts (34), and a third heat insulation layer (331) is wrapped outside one group of the outer ring struts (33).

10. The high-temperature screw conveying heating device according to claim 8 or 9, characterized in that: every transmission shaft (4) outside all is provided with first insulating layer (6), first insulating layer (6) parcel transmission shaft (4) and with transmission shaft (4) fixed connection, when transmission shaft (4) set up in spiral plate (2) outside, all leave the clearance between first insulating layer (6) and third insulating layer (331), when transmission shaft (4) set up when spiral plate (2) are inboard, all leave the clearance between first insulating layer (6) and second insulating layer (343).

11. The high-temperature screw conveying heating device according to claim 2, characterized in that: the spiral plate (2) comprises an arc plate (22) and a plurality of supporting bricks (21) arranged between the outer ring support columns (33) and the inner ring support columns (34), the arc plate (22) is placed on the supporting bricks (21) in a plurality, and the supporting bricks are sequentially paved into spiral channels.

12. The high-temperature screw conveying heating device according to claim 2, characterized in that: the spiral plate (2) comprises a plurality of supporting plates and rotating rollers rotatably mounted on the supporting plates, the supporting plates are arranged between the outer ring strut (33) and the inner ring strut (34), and the rotating rollers are mounted on the supporting plates and are sequentially laid to form spiral channels.

13. The utility model provides a high temperature auger delivery heating brazing furnace which characterized in that: a structure comprising the high temperature auger heating apparatus of any one of claims 1 to 12.