High Temperature Furnace

Abstract

The present invention provides a high-temperature furnace, including an inner shell, an outer shell, and an air intake device, and also includes a first rotating shaft arranged at the upper end of the inner shell, a second rotating shaft arranged at the lower end of the inner shell, a first rotating mechanism connected to the second rotating shaft, a second rotating mechanism connected to the outer shell, and an atmosphere sensor arranged in the second rotating shaft, one end of the atmosphere sensor is arranged in the second rotating shaft, and its detection end extends into the inner shell, the upper end of the second rotating shaft extends to the inlet of the inner shell, the air intake device includes a cylinder and an air pipe, the air pipe passes through the second rotating shaft and extends into the inner shell, and the air pipe is located on the upper side of the detection end of the atmosphere sensor. The above-mentioned high-temperature furnace detects the oxygen content and carbon content in the high-temperature furnace through the atmosphere sensor, and by arranging the air pipe on the upper side of the detection end of the atmosphere sensor, the detection result is prevented from being affected by the gas entering the air pipe, thereby improving the detection accuracy.

Description

Technical Field

[0001] The invention relates to the technical field of heating equipment, in particular to a high-temperature furnace. Background Art

[0002] High temperature furnace, also known as carburizing furnace, is a heating equipment mainly used for heating and heat treatment in various industrial and mining enterprises, scientific research institutes and laboratories. It is an indispensable instrument in various laboratories.

[0003] In the existing high-temperature furnace, during the processing, it is necessary to inject gas into the high-temperature furnace to react with the raw materials in the furnace to generate the final product, and a sensor is arranged in the furnace to sense the gas content in the furnace.

[0004] However, in the existing high-temperature furnace, the sensor is arranged at the air inlet, and the detection result of the sensor is easily affected by the incoming gas, resulting in inaccurate gas content detected by the sensor. Summary of the invention

[0005] The object of the present invention is to provide a high temperature furnace to solve the problem of inaccurate gas content detection in the existing high temperature furnace.

[0006] The present invention provides a high-temperature furnace, comprising an inner shell, an outer shell, and an air intake device arranged on one side of the outer shell, and also comprising a first rotating shaft arranged at the upper end of the inner shell, a second rotating shaft arranged at the lower end of the inner shell, a first rotating mechanism connected to the second rotating shaft, a second rotating mechanism connected to the outer shell, and an atmosphere sensor arranged in the second rotating shaft, one end of the atmosphere sensor is arranged in the second rotating shaft, and its detection end extends into the inner shell, the upper end of the second rotating shaft extends to the inlet of the inner shell, the air intake device comprises a cylinder and an air pipe, the air pipe passes through the second rotating shaft and extends into the inner shell, and the air pipe is located on the upper side of the detection end of the atmosphere sensor.

[0007] The above-mentioned high-temperature furnace detects the oxygen content and carbon content in the high-temperature furnace through an atmosphere sensor, and sets the air pipe on the upper side of the detection end of the atmosphere sensor to prevent the detection result from being affected by the gas entering the air pipe, thereby improving the detection accuracy.

[0008] Furthermore, the first rotating mechanism includes a first rotating motor disposed at the lower end of the housing, a first transmission belt connected to the first rotating motor, and a first rotating gear disposed at the lower end of the second rotating shaft, and the first transmission belt is also connected to the first rotating gear.

[0009] Furthermore, the second rotating mechanism includes a second rotating motor, a second transmission belt connected to the second rotating motor, a reversing gear arranged on one side of the outer shell, a second rotating gear arranged on one side of the reversing gear, and a third rotating shaft and a fourth rotating shaft arranged on the left and right sides of the outer shell, the fourth rotating shaft is connected to the second rotating gear, and the second transmission belt is also connected to the reversing gear.

[0010] Furthermore, a first sealing ring is provided at the connection between the inner container and the second rotating shaft.

[0011] Furthermore, a bearing is respectively provided at a position of the housing corresponding to the first rotating shaft and the second rotating shaft.

[0012] Furthermore, a plurality of reinforcing ribs are provided at positions of the shell corresponding to the fourth rotation axis.

[0013] Furthermore, a second sealing ring is provided at the upper end of the second rotating shaft, and the detection end of the atmosphere sensor passes through the second sealing ring and extends into the inner container.

[0014] Furthermore, the atmosphere sensor is also connected to a display.

[0015] Furthermore, a buffer cover is provided at the detection end of the atmosphere sensor, and the buffer cover includes a connecting portion connected to the atmosphere sensor, a mesh portion connected to the connecting portion, and a blocking portion provided at the upper end of the mesh portion.

[0016] Furthermore, a guide groove is provided at the upper end of the barrier portion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the three-dimensional structure of a high-temperature furnace in the first embodiment of the present invention;

[0018] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure of the high-temperature furnace in the AA direction;

[0019] Figure 3 is a schematic cross-sectional structural diagram of a high-temperature furnace in a second embodiment of the present invention;

[0020] Figure 4 for Figure 3 Schematic diagram of the structure of the buffer cover in the high-temperature furnace.

[0021] Description of main component symbols:

[0022] shell 10 The first rotating motor 61 Atmosphere sensor 80 Reinforcement 11 First rotating gear 62 Buffer cover 90 Liner 20 The second rotating mechanism 70 Connection 91 trachea 30 The second rotating motor 71 Grid Department 92 First rotation axis 40 Reversing gear 72 Barrier 93 Second rotation axis 50 The second rotating gear 73 Guide groove 931 The first rotating mechanism 60 Fourth rotation axis 74

[0023] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0024] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are provided in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0027] See also Figure 1 and Figure 2 A high-temperature furnace provided in a first embodiment of the present invention comprises an inner tank 20, an outer shell 10 and an air intake device arranged on one side of the outer shell 10, and further comprises a first rotating shaft 40 arranged at the upper end of the inner tank 20, a second rotating shaft 50 arranged at the lower end of the inner tank 20, a first rotating mechanism 60 connected to the second rotating shaft 50, a second rotating mechanism 70 connected to the outer shell 10, and an atmosphere sensor 80 arranged in the second rotating shaft 50, one end of the atmosphere sensor 80 is arranged in the second rotating shaft 50, and its detection end extends into the inner tank 20, and the upper end of the second rotating shaft 50 extends to the inlet of the inner tank 20, the air intake device comprises a cylinder and an air pipe 30, the air pipe 30 passes through the second rotating shaft 50 and extends into the inner tank 20, and the air pipe 30 is located on the upper side of the detection end of the atmosphere sensor 80.

[0028] The above-mentioned high-temperature furnace detects the oxygen content and carbon content in the high-temperature furnace through the atmosphere sensor 80, and sets the gas pipe 30 on the upper side of the detection end of the atmosphere sensor 80 to prevent the detection result from being affected by the gas entering the gas pipe 30, thereby improving the accuracy of the detection.

[0029] Specifically, in the present embodiment, the first rotating mechanism 60 includes a first rotating motor 61 disposed at the lower end of the outer shell 10, a first transmission belt (not shown) connected to the first rotating motor 61, and a first rotating gear 62 disposed at the lower end of the second rotating shaft 50. The first transmission belt is also connected to the first rotating gear 62. Through the above-mentioned structural design, the rotating gear 62 drives the second rotating shaft 50 to rotate, and then drives the inner liner 20 to rotate inside the outer shell 10 to prevent the objects in the inner liner 20 from clumping. Accordingly, in the specific implementation process, a bearing can be respectively arranged at the position corresponding to the outer shell 10 and the first rotating shaft 40 and the second rotating shaft 50 to improve the stability of the rotation of the inner liner 20.

[0030] Specifically, in this embodiment, the second rotating mechanism 70 includes a second rotating motor 71, a second transmission belt (not shown) connected to the second rotating motor 71, a reversing gear 72 provided on one side of the housing 10, a second rotating gear 73 provided on one side of the reversing gear 72, and a third rotating shaft (not shown) and a fourth rotating shaft 74 provided on the left and right sides of the housing, the fourth rotating shaft 74 is connected to the second rotating gear 73, and the second transmission belt is also connected to the reversing gear 72. Through the above structural design, the inner tank 20 rotates along the third rotating shaft and the fourth rotating shaft 74 to rotate the upper end of the high-temperature furnace to the lower end, which is convenient for feeding.

[0031] Specifically, in this embodiment, a first sealing ring (not shown) is provided at the connection between the inner container 20 and the second rotating shaft 50 to perform a sealing function.

[0032] Specifically, in this embodiment, a plurality of reinforcing ribs 11 are provided at positions corresponding to the outer shell 10 and the fourth rotating shaft 74 to increase the strength of the connection between the outer shell 10 and the fourth rotating shaft 74 to prevent the outer shell 10 from being broken due to excessive local force during loading and unloading.

[0033] Specifically, in this embodiment, in order to ensure the sealing of the inner liner 20 , a second sealing ring is required to be provided at the upper end of the second rotating shaft 50 , and the detection end of the atmosphere sensor 80 passes through the second sealing ring and extends into the inner liner 20 .

[0034] It can be understood that in other embodiments of the present invention, the atmosphere sensor 80 can also be connected to a display to display the detection result.

[0035] It should be noted that the atmosphere sensor 80 is used to detect the oxygen content and the carbon content, and at least needs to include an oxygen detector and a carbon detector.

[0036] See also Figure 3 and Figure 4The high-temperature furnace provided by the second embodiment of the present invention is different from the first embodiment in that, in the second embodiment, a buffer cover 90 is provided at the detection end of the atmosphere sensor 80, and the buffer cover 90 includes a connecting portion 91 connected to the atmosphere sensor 80, a mesh portion 92 connected to the connecting portion 91, and a blocking portion 93 arranged at the upper end of the mesh portion 92, wherein the mesh portion 82 is used to allow the gas in the inner liner 20 to flow normally to the detection end of the atmosphere sensor 80, and the blocking portion 93 is used to prevent the gas from directly rebounding to the detection end of the atmosphere sensor 80 after colliding with the top of the inner liner 20, thereby improving the accuracy of detection.

[0037] Specifically, in this embodiment, a guide groove 931 is provided at the upper end of the barrier portion 93 to guide the airflow rebounding from the top of the inner liner 20 to both sides, so that the gas input by the air pipe 30 is evenly distributed in the inner liner 20, thereby improving the accuracy of detection.

[0038] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A high temperature furnace, comprising an inner shell, an outer shell and an air intake device arranged on one side of the outer shell, characterized in that: It also includes a first rotating shaft arranged at the upper end of the inner container, a second rotating shaft arranged at the lower end of the inner container, a first rotating mechanism connected to the second rotating shaft, a second rotating mechanism connected to the outer shell, and an atmosphere sensor arranged in the second rotating shaft, one end of the atmosphere sensor is arranged in the second rotating shaft, and its detection end extends into the inner container, the upper end of the second rotating shaft extends to the inlet of the inner container, the air intake device includes a cylinder and an air pipe, the air pipe passes through the second rotating shaft and extends into the inner container, and the air pipe is located on the upper side of the detection end of the atmosphere sensor; A buffer cover is provided at the detection end of the atmosphere sensor. The buffer cover comprises a connecting portion connected to the atmosphere sensor, a mesh portion connected to the connecting portion, and a blocking portion arranged at the upper end of the mesh portion.

2. The high temperature furnace according to claim 1, characterized in that: The first rotating mechanism includes a first rotating motor disposed at the lower end of the housing, a first transmission belt connected to the first rotating motor, and a first rotating gear disposed at the lower end of the second rotating shaft, and the first transmission belt is also connected to the first rotating gear.

3. The high temperature furnace according to claim 1, characterized in that: The second rotating mechanism includes a second rotating motor, a second transmission belt connected to the second rotating motor, a reversing gear arranged on one side of the outer shell, a second rotating gear arranged on one side of the reversing gear, and a third rotating shaft and a fourth rotating shaft arranged on the left and right sides of the outer shell, the fourth rotating shaft is connected to the second rotating gear, and the second transmission belt is also connected to the reversing gear.

4. The high temperature furnace according to claim 1, characterized in that: A first sealing ring is provided at the connection between the inner container and the second rotating shaft.

5. The high temperature furnace according to claim 1, characterized in that: A bearing is respectively provided at a position of the housing corresponding to the first rotating shaft and the second rotating shaft.

6. The high temperature furnace according to claim 3, characterized in that: A plurality of reinforcing ribs are disposed at positions of the housing corresponding to the fourth rotation axis.

7. The high temperature furnace according to claim 1, characterized in that: A second sealing ring is disposed at the upper end of the second rotating shaft, and the detection end of the atmosphere sensor passes through the second sealing ring and extends into the inner container.

8. The high temperature furnace according to claim 1, characterized in that: The atmosphere sensor is also connected to a display.

9. The high temperature furnace according to claim 1, characterized in that: A guide groove is arranged at the upper end of the blocking portion.

Images