CN210420047U

CN210420047U - High-precision aviation forging chamber type gas heating furnace

Info

Publication number: CN210420047U
Application number: CN201921161763.9U
Authority: CN
Inventors: 朱卫国; 张志平; 步民军; 刘明
Original assignee: Jiangsu Xinjiangnan Furnace Industry Science And Technology Co ltd
Current assignee: Jiangsu Xinjiangnan Furnace Industry Science And Technology Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-28
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a high accuracy aviation forging room formula gas heating furnace, including the heating furnace body, the left side of heating furnace body is provided with the furnace gate, the furnace gate is provided with the heat preservation fibre blanket with the lateral wall of the inner chamber interface channel of heating furnace body, the top of heating furnace body is provided with the protective housing, the bottom rigid coupling of protective housing has the furnace body steelframe, the inner chamber of heating furnace body is provided with the furnace wall and contains zirconium high temperature fiber layer, contain the inboard that zirconium high temperature fiber layer is located the furnace wall, smoke exhaust channel's discharge port is connected with exhaust pipe, exhaust pipe's top is opened there is the exhaust port, the rear side left and right sides wall symmetry rigid coupling of heating furnace body has the bracing piece, the rear side lateral wall of heating furnace body is pegged graft there is. The utility model provides a gas heating furnace when carrying out the thermal treatment of large-scale aviation forging, gas heating furnace exists the heating inhomogeneous, leads to the high-end forging to be heated unevenly, can make the problem that the intensity of forging weakens.

Description

High-precision aviation forging chamber type gas heating furnace

Technical Field

The utility model relates to a gas heating furnace technical field specifically is a high accuracy aviation forging room formula gas heating furnace.

Background

In aeronautical forgings, the furnace is a device that heats the material or workpiece to the rolling-to-forging temperature. However, when a gas heating furnace in the prior art is used for carrying out heat treatment on a large-scale aviation forging, the gas heating furnace is uneven in heating, so that a casting is uneven in heating, the strength of a high-end forging is weakened, and therefore a high-precision aviation forging chamber type gas heating furnace is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high accuracy aviation forging room formula gas heating furnace solves the gas heating furnace when carrying out the thermal treatment of large-scale aviation forging, and the gas heating furnace exists and heats inhomogeneously, leads to the foundry goods to be heated unevenly, can make the problem that the intensity of high-end forging weakens.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a high-precision aviation forging chamber type gas heating furnace comprises a heating furnace body, wherein a furnace door is arranged on the left side of the heating furnace body, a heat-preservation fiber blanket is arranged on the side wall of an inner cavity connecting channel of the furnace door and the heating furnace body, a protective shell is arranged at the top of the heating furnace body, a furnace body steel frame is fixedly connected to the bottom of the protective shell, a furnace lining and a zirconium-containing high-temperature fiber layer are arranged in an inner cavity of the heating furnace body, the zirconium-containing high-temperature fiber layer is positioned on the inner side of the furnace lining, a high-temperature castable prefabricated member is laid at the bottom of the inner cavity of the heating furnace body, a smoke exhaust channel is formed at the bottom of the heating furnace body, a high-temperature castable and a high-alumina refractory brick are arranged on the inner cavity side wall of the smoke exhaust channel, the top of the smoke exhaust pipeline is provided with a smoke exhaust port, the left side wall and the right side wall of the rear side of the heating furnace body are symmetrically and fixedly connected with supporting rods, the top of each supporting rod is fixedly connected with a supporting plate, the top of each supporting plate is fixedly connected with an air blower, the bottom of each air blower is connected with an air pipeline, the outer wall of each air pipeline is provided with a manual valve, the side wall of the rear side of the heating furnace body is spliced with a gas pipeline, the air pipeline is communicated with the gas pipeline, and the middle lower part and the top of the right side wall of the heating furnace.

According to the high-precision aviation forging chamber type gas heating furnace, the total thickness of the furnace lining is 350-450mm, the zirconium-containing ceramic fiber modules with the thickness of 300mm multiplied by 300mm are paved on the high-temperature section of the furnace lining in a stacked mode, and the aluminum silicate fiber blanket with the thickness of 100mm is paved on the low-temperature section of the furnace lining in a stacked mode.

The high-precision aviation forging chamber type gas heating furnace comprises a furnace body steel frame and a furnace body heating chamber, wherein the furnace body steel frame is formed by welding section steel and steel plates.

According to the high-precision aviation forging chamber type gas heating furnace, the furnace door is composed of the all-fiber lining body and the steel structure shell, and the all-fiber lining body is made of the zirconium-containing fiber folding blocks.

According to the high-precision aviation forging chamber type gas heating furnace, the furnace door and the heating furnace body are in a soft-hard and soft-soft plane fitting sealing structure, and the furnace door is pressed and sealed with the furnace opening after being lowered in place.

The utility model provides a high accuracy aviation forging room formula gas heating furnace, flat flame nozzle includes the mount pad, the right side of mount pad is connected with the connecting pipe, the right side of connecting pipe is connected with the burner tip, the bottom of burner tip is connected with the burner port, the left side of mount pad is connected with the burner pipe.

The utility model has the advantages that: the utility model has the advantages of reasonable design, 300mm zirconium-containing ceramic fiber module is spread to the stack of furnace wall high temperature section, as the flame retardant coating, the 1260 type aluminium silicate fiber blanket that the furnace wall low temperature section tiling is 100mm thick, as the heat insulation layer, the furnace body steelframe is formed by shaped steel and steel sheet welding, the steel construction intensity of furnace body has been guaranteed, the furnace gate comprises full fiber lining body and steel construction shell, full fiber lining body adopts zirconium-containing fiber folded block to make, both guarantee the rigidity and the intensity of furnace gate and make the furnace gate light-dutyization, furnace gate and heating furnace body adopt soft hard, soft plane laminating seal structure, the furnace gate descends to target in place to compress tightly with the fire door and seals, reach the tight sealed effect to whole furnace gate, thereby guarantee that the interior steam of furnace does not leak from the furnace gate, flat flame nozzle has all been pegged graft in lower part and the furnace roof in the heating furnace body right side wall, make the foundry goods be heated evenly, solve the gas heating furnace when carrying out the thermal treatment of large-scale aviation forging, the gas heating furnace exists and heats inhomogeneously, leads to the high-end forging to be heated inequality, can make the problem that the intensity of foundry goods weakens.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is a schematic structural view of a furnace steel frame;

FIG. 4 is a schematic structural view of a flat flame burner.

In the figure: 1. the heating furnace comprises a heating furnace body, 2, a furnace door, 3, a heat-insulating fiber blanket, 4, a protective shell, 5, a furnace body steel frame, 501, section steel, 502, a steel plate, 6, a zirconium-containing high-temperature fiber layer, 7, a furnace lining, 8, a high-temperature castable prefabricated part, 9, a smoke exhaust channel, 10, a high-temperature castable, 11, a high-aluminum refractory brick, 12, red bricks, 13, a smoke exhaust pipeline, 14, a smoke exhaust port, 15, a support rod, 16, a support plate, 17, a blower, 18, an air pipeline, 19, a manual valve, 20, a gas pipeline, 21 flat flame burners, 2101, a mounting seat, 2102, a connecting pipe, 2103, a burner head, 2104, a burner port, 2105 and a.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-4: a high-precision aviation forging chamber type gas heating furnace comprises a heating furnace body 1, a furnace door 2 is arranged on the left side of the heating furnace body 1, the furnace door 2 is composed of a full-fiber lining body and a steel structure shell, the full-fiber lining body is made of zirconium-containing fiber folding blocks, the furnace door 2 and the heating furnace body 1 are in a soft-hard and soft plane laminating sealing structure, the furnace door 2 is tightly pressed and sealed with a furnace opening after descending in place, a heat-insulating fiber blanket 3 is arranged on the side wall of an inner cavity connecting channel of the furnace door 2 and the heating furnace body 1, a protective shell 4 is arranged at the top of the heating furnace body 1, a furnace body steel frame 5 is fixedly connected at the bottom of the protective shell 4, the furnace body steel frame 5 comprises section steel 501 and a steel plate 502, the furnace body 5 is formed by welding section steel 501 and the steel plate 502, a furnace lining 7 and, the total thickness of a furnace lining 7 is 350-450mm, a zirconium-containing ceramic fiber module with the thickness of 300mm multiplied by 300mm is stacked on a high-temperature section of the furnace lining 7, a 1260-type aluminum silicate fiber blanket with the thickness of 100mm is stacked on a low-temperature section of the furnace lining 7, a high-temperature castable prefabricated part 8 is laid on the bottom of an inner cavity of a heating furnace body 1, a smoke exhaust channel 9 is formed at the bottom of the heating furnace body 1, high-temperature castable 10 and high-aluminum refractory bricks 11 are arranged on the side wall of the inner cavity of the smoke exhaust channel 9, the high-aluminum refractory bricks 11 are positioned on the outer side of the high-temperature castable 10, red bricks 12 are stacked on the outer layer of the high-aluminum refractory bricks 11, a discharge port of the smoke exhaust channel 9 is connected with a smoke exhaust pipeline 13, a smoke exhaust port 14 is formed at the top of the smoke exhaust pipeline 13, support rods 15 are, the outer wall of air pipe 18 is provided with manual valve 19, the rear side lateral wall of heating furnace body 1 is pegged graft and is had gas pipeline 20, and air pipe 18 is linked together with gas pipeline 20, lower part and the furnace roof all peg graft in heating furnace body 1 right side wall have flat flame nozzle 21, flat flame nozzle 21 includes mount pad 2101, the right side of mount pad 2101 is connected with connecting pipe 2102, the right side of connecting pipe 2102 is connected with nozzle head 2103, nozzle mouth 2104 is connected with to nozzle head 2103's bottom, the left side of mount pad 2101 is connected with nozzle pipe 2105.

To sum up, when the utility model is used, a zirconium-containing ceramic fiber module with 300mm multiplied by 300mm is stacked on a high-temperature section of a furnace lining 7, as a fire-resistant layer, a 1260 type aluminum silicate fiber blanket with 100mm thickness is stacked on a low-temperature section of the furnace lining 7, as a heat insulation layer, a furnace body steel frame 5 is formed by welding section steel 501 and a steel plate 502, the steel structure strength of a furnace body is ensured, a furnace door 2 consists of a full-fiber lining body and a steel structure shell, the full-fiber lining body is made of zirconium-containing fiber folding blocks, the rigidity and the strength of the furnace door 2 are ensured, the furnace door is lightened, the furnace door 2 and a heating furnace body 1 adopt a soft and hard plane laminating sealing structure, the furnace door 2 is pressed and sealed with a furnace mouth after being lowered in place, the effect of tightly sealing the whole furnace door 2 is achieved, thereby ensuring that hot gas in the furnace does not leak from the furnace door, flat flame, realize the closed-loop control of full stove temperature and fuel burning, make the foundry goods be heated evenly, solve the gas heating furnace when carrying out the thermal treatment of large-scale aviation forging, the gas heating furnace exists and heats inhomogeneously, leads to the foundry goods to be heated unevenly, can make the problem that the intensity of foundry goods weakens.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a high accuracy aviation forging room formula gas heating furnace, includes heating furnace body (1), its characterized in that: the furnace is characterized in that a furnace door (2) is arranged on the left side of the heating furnace body (1), a heat preservation fiber blanket (3) is arranged on the side wall of an inner cavity connecting channel of the furnace door (2) and the heating furnace body (1), a protective shell (4) is arranged at the top of the heating furnace body (1), a furnace body steel frame (5) is fixedly connected to the bottom of the protective shell (4), a furnace lining (7) and a zirconium-containing high-temperature fiber layer (6) are arranged in the inner cavity of the furnace lining (7), a high-temperature castable prefabricated part (8) is laid at the bottom of the inner cavity of the heating furnace body (1), a smoke exhaust channel (9) is arranged at the bottom of the heating furnace body (1), a high-temperature castable material (10) and a high-aluminum refractory brick (11) are arranged on the side wall of the inner cavity of the smoke exhaust channel (9), and the high-aluminum refractory brick, red bricks (12) are piled on the outer layer of the high-alumina refractory bricks (11), a discharge port of the smoke discharge channel (9) is connected with a smoke discharge pipeline (13), the top of the smoke exhaust pipeline (13) is provided with a smoke exhaust port (14), the left side wall and the right side wall of the rear side of the heating furnace body (1) are symmetrically and fixedly connected with support rods (15), the top of the supporting rod (15) is fixedly connected with a supporting plate (16), the top of the supporting plate (16) is fixedly connected with an air blower (17), the bottom of the blower (17) is connected with an air pipeline (18), the outer wall of the air pipeline (18) is provided with a manual valve (19), a gas pipeline (20) is inserted into the side wall of the rear side of the heating furnace body (1), and the air pipeline (18) is communicated with the gas pipeline (20), and flat flame burners (21) are inserted in the middle-lower part of the right side wall of the heating furnace body (1) and the furnace top.

2. The high accuracy aerial forging chamber gas furnace of claim 1, wherein: the total thickness of the furnace lining (7) is 350-450mm, the zirconium-containing ceramic fiber modules with the thickness of 300mm multiplied by 300mm are overlaid on the high-temperature section of the furnace lining (7), and the aluminum silicate fiber blanket with the thickness of 1260 type and the thickness of 100mm is tiled on the low-temperature section of the furnace lining (7).

3. The high accuracy aerial forging chamber gas furnace of claim 1, wherein: the furnace body steel frame (5) comprises section steel (501) and a steel plate (502), and the furnace body steel frame (5) is formed by welding the section steel (501) and the steel plate (502).

4. The high accuracy aerial forging chamber gas furnace of claim 1, wherein: the furnace door (2) is composed of a full-fiber lining body and a steel structure shell, wherein the full-fiber lining body is made of a zirconium-containing fiber folding block.

5. The high accuracy aerial forging chamber gas furnace of claim 1, wherein: the furnace door (2) and the heating furnace body (1) adopt a soft and hard, soft plane fitting and sealing structure, and the furnace door (2) is pressed and sealed with the furnace mouth after descending in place.

6. The high accuracy aerial forging chamber gas furnace of claim 1, wherein: the flat flame burner (21) comprises a mounting seat (2101), the right side of the mounting seat (2101) is connected with a connecting pipe (2102), the right side of the connecting pipe (2102) is connected with a burner head (2103), the bottom of the burner head (2103) is connected with a burner port (2104), and the left side of the mounting seat (2101) is connected with a burner pipe (2105).