Trolley type natural gas heat treatment furnace for forge piece preparation

Abstract

The trolley type natural gas heat treatment furnace comprises a furnace body, a Y-shaped pipeline is installed at the position of a smoke outlet in the upper end of the furnace body, valves are installed at the positions, located on the left side and the right side, of the upper end of the Y-shaped pipeline, and filtering pipelines are installed at the upper ends of the valves. According to the device, the Y-shaped pipeline is installed at the smoke outlet, the valves are installed at the two branches of the Y-shaped pipeline, and the filtering pipelines are installed at the upper ends of the valves, so that the two filtering pipelines can work at the same time when smoke is exhausted, and the smoke can be discharged conveniently. And when one filter pipeline needs to be replaced or maintained, the valve at the lower end position can be closed, so that smoke cannot circulate, the other filter pipeline works normally at the moment, and in this way, the furnace body is kept in a normal working state after being used for a long time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of the dolly type natural gas heat treatment furnace for forging preparation, and particularly relates to a dolly type natural gas heat treatment furnace for forging preparation. BACKGROUND

[0002] The dolly type natural gas heat treatment furnace for forging preparation is an industrial furnace equipment specially used for forging heat treatment, which mainly comprises a dolly, a furnace body, a combustion system, a temperature control system and the like, the dolly can conveniently enter and exit the furnace body, and the furnace body adopts high-quality heat preservation materials to reduce heat loss, the combustion system generates heat by burning natural gas to provide a high-temperature environment required for forging heat treatment, and the temperature control system can accurately control the temperature in the furnace to ensure that the forging is heat treated under specific temperature conditions to improve the organizational structure of the forging, improve the mechanical properties, eliminate residual stress and the like, thereby meeting the quality requirements of the forging and being widely applied to the forging production process in many fields such as mechanical manufacturing, automobiles and aerospace.

[0003] When the dolly type natural gas heat treatment furnace for forging preparation is in use, a filtering device is installed at the smoke outlet to filter and discharge the flue gas to the external air, but when the filtering layer device is damaged, the flue gas cannot be normally discharged, so that the device cannot normally work. UTILITY MODEL CONTENTS

[0004] The utility model discloses a dolly type natural gas heat treatment furnace for forging preparation to solve the problem that the dolly type natural gas heat treatment furnace for forging preparation is in use, a filtering device is installed at the smoke outlet to filter and discharge the flue gas to the external air, but when the filtering layer device is damaged, the flue gas cannot be normally discharged, so that the device cannot normally work.

[0005] To achieve the above object, the utility model provides the following technical scheme: a dolly type natural gas heat treatment furnace for forging preparation, including the furnace body, the upper end smoke outlet position of furnace body installs Y type pipe, the upper end Y type pipe is installed at the left and right side position and is equipped with the valve, the upper end position of valve installs the filter pipe, the inside position of filter pipe is provided with the super clean layer, the fine filter layer and the rough filter layer, the filter pipe discharges the flue gas of filtering through the smoke outlet of upper end position, the front end position of furnace body is provided with the furnace door, the outside position of furnace body is provided with the portal frame, the upper end middle position of portal frame installs the motor, the lower end position of portal frame installs the towrope, the other end position of towrope is connected with the furnace door.

[0006] Preferably, the left and right ends of the furnace body are provided with gas pipes for connecting with gas.

[0007] Preferably, the furnace body is supported by support frames fixed at the left and right lower ends, and the support frames allow the furnace body to be at a certain height from the ground.

[0008] Preferably, the lower end of the furnace body is provided with a track, and the upper end of the track is provided with a trolley body.

[0009] Preferably, the motor drives the rotation of the reel inside the gantry, and the rotation of the reel causes the displacement of the traction rope.

[0010] Preferably, the traction rope is connected with the furnace door, and the movement of the traction rope controls the lifting of the furnace door.

[0011] Preferably, the smoke outlet, filter pipes, valves and Y-shaped pipes are connected by bolts, two filter pipes are provided, and valves are arranged at the lower ends of the filter pipes.

[0012] Preferably, the coarse filter layer is made of sintered mesh, the fine filter layer is a honeycomb ceramic porous plate, and the ultra-clean layer is made of silicon carbide fiber felt.

[0013] Compared with the prior art, the utility model provides a trolley type natural gas heat treatment furnace for forging preparation, which has the following beneficial effects:

[0014] 1. The device is provided with a Y-shaped pipe at the smoke outlet, valves are arranged at the two branches of the Y-shaped pipe, and filter pipes are arranged at the upper ends of the valves. In this way, the two filter pipes can work simultaneously when the smoke is discharged, and when one of them needs to be replaced or maintained, the valve at the lower end can be closed to prevent the smoke from flowing, and the other filter pipe can work normally. In this way, the furnace body can maintain normal working condition during long-term use.

[0015] 2. The filter pipes are provided with a coarse filter layer, a fine filter layer and an ultra-clean layer inside. The smoke passes through the coarse filter layer first, then the fine filter layer, and finally the ultra-clean layer before being discharged to the outside. The materials of the three filter layers are high-temperature materials, which are not affected by high temperature during filtering. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of a trolley type natural gas heat treatment furnace for forging preparation of the utility model.

[0017] Figure 2 It is a structure schematic view of a trolley type natural gas heat treatment furnace for forging preparation of the utility model.

[0018] Figure 3 It is a three-dimensional structure schematic diagram of the trolley type natural gas heat treatment furnace for forging preparation.

[0019] Figure 4 It is a filter pipeline internal structure schematic diagram of the trolley type natural gas heat treatment furnace for forging preparation.

[0020] In the figure: 1, furnace body; 2, Y type pipeline; 3, valve; 4, filter pipeline; 5, smoke outlet; 6, motor; 7, traction rope; 8, gantry; 9, furnace door; 10, trolley main body; 11, track; 12, support frame; 13, gas pipeline; 14, super-clean layer; 15, fine filter layer; 16, coarse filter layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances

[0024] The utility model provides as Figures 1-4As shown in one kind forging preparation with trolley type natural gas heat treatment furnace, including furnace body 1, the upper end of furnace body 1 is installed at the position of smoke outlet, Y type pipe 2 is installed at the upper end of Y type pipe 2 at the position of left and right sides, valve 3 is installed at the upper end position of valve 3, filter pipe 4 is installed at the upper end position of filter pipe 4, ultra-clean layer 14, fine filter layer 15 and coarse filter layer 16 are arranged at the inside position of filter pipe 4, filter pipe 4 is discharged through the smoke outlet 5 at the upper end position, the front end of furnace body 1 is provided with furnace door 9, the outside of furnace body 1 is provided with gantry 8, motor 6 is installed at the upper end of gantry 8, traction rope 7 is installed at the lower end of gantry 8, the other end of traction rope 7 is connected with furnace door 9.

[0025] Workpiece is placed at the upper end position of trolley main body 10, workpiece is moved to the position close to furnace body 1 by trolley main body 10, motor 6 drives traction rope 7 to move upwards to open furnace door 9, workpiece is moved to the inside position of furnace cavity, furnace door 9 is closed, gas pipe 13 is used for accessing gas, so that the burner in the inside of furnace body 1 is ignited, and workpiece is forged.

[0026] As shown in Figure 1 and Figure 3 Gas pipe 13 is installed at the left and right end positions of furnace body 1, gas pipe 13 is used for accessing gas, furnace body 1 is supported by support frame 12 fixed at the lower end of left and right sides, support frame 12 makes furnace body 1 have a certain height from the ground, track 11 is installed at the lower position of furnace body 1, trolley main body 10 is arranged at the upper end position of track 11, motor 6 drives the winding drum in the inside position of gantry 8 to rotate, the rotation of winding drum makes traction rope 7 displace, traction rope 7 is connected with furnace door 9, the movement of traction rope 7 controls the lifting of furnace door 9.

[0027] Fireproof insulation material is laid at the left and right positions of furnace body 1 to reduce heat loss, furnace door 9 is opened in the lifting type, and sand seal is arranged at the inside position to ensure the airtightness in the furnace.

[0028] As shown in Figure 2 and Figure 4 Smoke outlet 5, filter pipe 4, valve 3 and Y type pipe 2 are connected by bolts, two filter pipes 4 are arranged, and valve 3 is arranged at the lower end position of each filter pipe 4, sintered mesh is used for coarse filter layer 16, honeycomb ceramic porous plate is used for fine filter layer 15, and silicon carbide fiber felt is used for ultra-clean layer 14.

[0029] The coarse filter layer 16, the fine filter layer 15 and the super-clean layer 14 are arranged at the internal position of the filtering pipeline 4, and the flue gas passes through the coarse filter layer 16, the fine filter layer 15 and the super-clean layer 14 in sequence during the upward movement, and is finally discharged to the external position, and the materials of the three filter layers are high-temperature materials, which are not affected by high temperature during the filtering.

[0030] Finally, it should be noted that the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A bogie type natural gas heat treatment furnace for preparing a forged product, characterized by, The utility model provides a kind of gas stove, including furnace body (1), the upper end of Y-shaped pipe (2) is installed at the smoke outlet position of furnace body (1), the upper end of Y-shaped pipe (2) is installed with valve (3) at the position of left and right sides, filter pipe (4) is installed at the upper end position of valve (3), ultra-clean layer (14), fine filter layer (15) and coarse filter layer (16) are arranged at the inside position of filter pipe (4), and filter pipe (4) is discharged by the smoke outlet (5) at the upper end position with filtered flue gas, furnace door (9) is arranged at the front end position of furnace body (1), gantry (8) is arranged at the outside position of furnace body (1), motor (6) is installed at the upper end middle position of gantry (8), traction rope (7) is installed at the lower end position of gantry (8), and furnace door (9) is connected at the other end position of traction rope (7).

2. The natural gas heat treatment furnace for a forging material according to claim 1, wherein: Gas pipe (13) is installed at the left and right end position of furnace body (1), and the gas pipe (13) is used to access gas.

3. The natural gas heat treatment furnace for a forging material according to claim 1, wherein: Furnace body (1) is supported by support frame (12) fixed at the lower end left and right side positions, and the support frame (12) makes furnace body (1) a certain height from the ground.

4. The natural gas heat treatment furnace for a forging material according to claim 1, wherein: Rail (11) is installed at the lower position of furnace body (1), and trolley main body (10) is arranged at the upper end position of rail (11).

5. The natural gas heat treatment furnace for a forging material according to claim 1, wherein: Motor (6) drives the rotation of the reel in the inner position of gantry (8), and the rotation of the reel makes traction rope (7) displace.

6. The natural gas heat treatment furnace for a forging material according to claim 5, wherein: Traction rope (7) is connected with furnace door (9), and the movement of traction rope (7) controls the lifting of furnace door (9).

7. The natural gas heat treatment furnace for a forging material according to claim 1, wherein: Smoke outlet (5), filter pipe (4), valve (3) and Y-shaped pipe (2) are connected by bolts, two filter pipes (4) are provided, and valve (3) is arranged at the lower end position of the filter pipe (4).

8. The natural gas heat treatment furnace for a forging material according to claim 1, wherein: Coarse filter layer (16) is made of sintered mesh, fine filter layer (15) is honeycomb ceramic porous plate, and ultra-clean layer (14) is made of silicon carbide fiber felt.

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