Atmosphere nitriding furnace nitriding real-time monitoring system

Abstract

The utility model discloses an atmosphere nitriding furnace nitriding real -time monitoring system, including detection mechanism, the detection mechanism includes the diaphragm pump, with the three -way pipe of diaphragm pump output end connection, the main hydrogen probe and the auxiliary hydrogen probe who installs respectively in the both ends of three -way pipe, with the two fender of three -way pipe inner top and inner bottom fixed, be located in the support frame of three -way pipe top, the processor of embedding in support frame top. Normal monitoring, the diaphragm pump extraction furnace gas flows through three -way pipe, because two fender intercept, the airflow natural into main hydrogen probe detection circuit, if main hydrogen probe failure, the processor will not receive detection data, at this moment will control diaphragm pump to collect gas sample again, then three -way pipe internal pressure is powerful, and high -pressure gas breaks through the barrier of fender, then enter to the auxiliary hydrogen probe detection circuit, and detection data is passed to the processor analysis and calculates, to this realizes seamless link, ensures production continuity.

Description

Technical Field

[0001] This utility model relates to the field of nitriding furnace nitriding monitoring technology, specifically a real-time monitoring system for atmosphere nitriding furnace nitriding. Background Technology

[0002] Nitriding furnaces are characterized by low processing temperature, short processing time, and minimal workpiece deformation. They also possess properties such as high fatigue limit and good wear resistance.

[0003] During the operation of the nitriding furnace, residual cleaning agents (such as chlorine and sulfur compounds) on the workpiece surface will volatilize and form impurity gases. These gaseous impurities will cause chemical contamination and poisoning effects on the hydrogen probe electrode, the core monitoring component, leading to the failure of real-time monitoring. Furthermore, the maintenance and replacement process of the sensors is cumbersome and time-consuming, inevitably causing interruptions in the nitriding process, which seriously affects the continuity of production plans and overall production efficiency. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] A real-time monitoring system for nitriding in an atmosphere nitriding furnace includes a detection mechanism. The detection mechanism includes a diaphragm pump, a three-way pipe connected to the output end of the diaphragm pump, a main hydrogen probe and a secondary hydrogen probe respectively installed at both ends of the three-way pipe, two blocks fixed to the inner top and inner bottom surfaces of the three-way pipe, a support frame located at the top of the three-way pipe, and a processor embedded in the top of the support frame. The two blocks are arranged opposite each other and fit together. The diaphragm pump, the main hydrogen probe, and the secondary hydrogen probe are all electrically connected to the processor.

[0007] By adopting the above technical solution, during normal monitoring, the furnace gas flow drawn by the diaphragm pump passes through the three-way pipe. Due to the obstruction of two baffles, the gas flow naturally enters the main hydrogen probe detection circuit. If the main hydrogen probe malfunctions, the processor will not receive detection data. At this time, it will control the diaphragm pump to collect gas samples again. Then, the internal pressure of the three-way pipe is strong, and the high-pressure gas breaks through the obstruction of the baffles and enters the auxiliary hydrogen probe detection circuit. The detection data is transmitted to the processor for analysis and calculation, thereby achieving seamless connection and ensuring continuous production.

[0008] In a preferred embodiment, the present invention can be further configured such that: the input end of the diaphragm pump is provided with a filter assembly, the filter assembly including a curved tube sleeved on the outside of the input end of the diaphragm pump, a flange sleeved on the outer end of the curved tube, and a filter element fixedly connected to the inner wall of the curved tube.

[0009] In a preferred embodiment, the present invention can be further configured such that: a cleaning component is provided at the bottom of the curved pipe, the cleaning component including a drain pipe extending through the bottom of the curved pipe and a pipe cap screwed to the bottom end of the drain pipe.

[0010] In a preferred embodiment, the present invention can be further configured such that the drain pipe is located at the bottom of the filter element and communicates with the inside of the curved tube.

[0011] In a preferred embodiment, the present invention can be further configured such that a bracket is connected between the main hydrogen probe and the auxiliary hydrogen probe, and the bottom of the diaphragm pump and the bottom of the support are both connected to the top of the bracket.

[0012] In a preferred embodiment, this invention can be further configured such that an alarm is installed on one side of both the main hydrogen probe and the auxiliary hydrogen probe, and both alarms are electrically connected to the processor.

[0013] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0014] 1. In this utility model, during normal monitoring, the furnace gas flow drawn by the diaphragm pump passes through the three-way pipe. Due to the obstruction of two baffles, the gas flow naturally enters the main hydrogen probe detection circuit. If the main hydrogen probe malfunctions, the processor will not receive the detection data. At this time, it will control the diaphragm pump to collect gas samples again. Then, the internal pressure of the three-way pipe is strong, and the high-pressure gas breaks through the obstruction of the baffles and enters the auxiliary hydrogen probe detection circuit. The detection data is transmitted to the processor for analysis and calculation, thereby achieving seamless connection and ensuring continuous production.

[0015] 2. In this utility model, when the diaphragm pump draws sampling gas from inside the furnace, the sampling gas enters from the curved tube position, and then the filter element uses gas filtration to remove dust and oil stains in the gas, effectively reducing the probability of damage to the main hydrogen probe and the auxiliary hydrogen probe. Attached Figure Description

[0016] Figure 1 This is a top view of the overall structure of this utility model;

[0017] Figure 2 This is a perspective view of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the testing mechanism of this utility model;

[0019] Figure 4 This utility model Figure 3 Enlarged view of the A-section structure;

[0020] Figure 5 This is a schematic diagram showing the relationship between the filter component and the cleaning component of this utility model.

[0021] Figure label:

[0022] 100. Testing facility; 110. Diaphragm pump; 120. T-junction; 130. Main hydrogen probe; 140. Secondary hydrogen probe; 150. Stop block; 160. Support frame; 170. Processor;

[0023] 200. Filter assembly; 210. Curved tube; 220. Flange; 230. Filter element;

[0024] 300. Cleaning component; 310. Drain pipe; 320. Pipe cap;

[0025] 400. Bracket;

[0026] 500, Alarm. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0028] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0029] The following describes, with reference to the accompanying drawings, some embodiments of the atmosphere nitriding furnace nitriding real-time monitoring system provided by this utility model.

[0030] Example 1:

[0031] Combination Figure 1-5 As shown, the real-time monitoring system for atmosphere nitriding furnace nitriding provided by this utility model includes a detection mechanism 100. The detection mechanism 100 includes a diaphragm pump 110, a three-way pipe 120 connected to the output end of the diaphragm pump 110, a main hydrogen probe 130 and a secondary hydrogen probe 140 respectively installed at both ends of the three-way pipe 120, two blocks 150 fixedly connected to the inner top and inner bottom surfaces of the three-way pipe 120, a support frame 160 provided at the top of the three-way pipe 120, and a processor 170 embedded in the top of the support frame 160. The two blocks 150 are arranged opposite each other and fit together. The diaphragm pump 110, the main hydrogen probe 130, and the secondary hydrogen probe 140 are all electrically connected to the processor 170.

[0032] Furthermore, a bracket 400 is connected between the main hydrogen probe 130 and the auxiliary hydrogen probe 140. The bottom of the diaphragm pump 110 and the bottom of the support 160 are both connected to the top of the bracket 400. After the bracket 400 is connected to the furnace wall of the external atmosphere nitriding furnace, the stability of the overall structure of the device can be improved.

[0033] Furthermore, an alarm 500 is installed on one side of both the main hydrogen probe 130 and the auxiliary hydrogen probe 140. Both alarms 500 are electrically connected to the processor 170. The layout design of the two alarms 500 can specifically point out the damaged main hydrogen probe 130 and auxiliary hydrogen probe 140, making maintenance work more convenient.

[0034] Example 2:

[0035] Combination Figure 1 , 2 and Figure 5 As shown, based on Embodiment 1, the diaphragm pump 110 is provided with a filter assembly 200 at its input end. The filter assembly 200 includes a curved tube 210 sleeved on the outside of the input end of the diaphragm pump 110, a flange 220 sleeved on the outer end of the curved tube 210, and a filter element 230 fixed to the inner wall of the curved tube 210. The curved tube 210, flange 220 and filter element 230 cooperate to provide conditions for filtering the gas entering the diaphragm pump 110, so that oil and dust in the gas can be filtered out, reducing the probability of damage to the main hydrogen probe 130 and the auxiliary hydrogen probe 140.

[0036] Example 3:

[0037] Combination Figure 2 and Figure 5 As shown in the above embodiment, the bottom of the curved tube 210 is provided with a cleaning component 300. The cleaning component 300 includes a drain pipe 310 that passes through the bottom of the curved tube 210 and a tube cap 320 that is screwed to the bottom end of the drain pipe 310. Dust and oil that are filtered by the filter element 230 will sink into the drain pipe 310 due to their weight. At this time, the tube cap 320 can be opened to clean the dust and oil, which greatly improves the comfort of use.

[0038] Specifically, the drain pipe 310 is located at the bottom of the filter element 230 and is connected to the inside of the curved pipe 210. This structural design provides conditions for quick and uniform cleaning of dust and oil stains.

[0039] The working principle and usage process of this utility model are as follows: Under normal monitoring conditions, the diaphragm pump 110 draws sampling gas from the atmosphere nitriding furnace. The gas flows through the three-way pipe 120. Since one end of the three-way pipe 120 is blocked by two baffles 150, the gas is guided to the main hydrogen probe 130. The main hydrogen probe 130 transmits the detection data to the processor 170. The processor 170 calculates the real-time nitrogen potential according to the built-in algorithm, thereby realizing online monitoring of the nitriding atmosphere.

[0040] When the main hydrogen probe 130 malfunctions, the processor 170 cannot receive valid data and immediately triggers the system switching mechanism. The diaphragm pump 110 continues to draw gas from the furnace, increasing the gas pressure inside the three-way pipe 120. When the pressure reaches a certain threshold, the gas breaks through the barrier formed by the two baffles 150 and enters the detection circuit of the auxiliary hydrogen probe 140. The auxiliary hydrogen probe 140 completes the detection and data upload in the same way, and the processor 170 continues to perform nitrogen potential calculation. The entire process achieves seamless connection of monitoring tasks without interrupting the nitriding process, effectively ensuring the continuity of production plans and overall efficiency.

[0041] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A real-time monitoring system for nitriding in an atmosphere nitriding furnace, comprising a detection mechanism (100), characterized in that: The detection mechanism (100) includes a diaphragm pump (110), a three-way pipe (120) connected to the output end of the diaphragm pump (110), a main hydrogen probe (130) and a secondary hydrogen probe (140) respectively installed at both ends of the three-way pipe (120), two blocks (150) fixed to the inner top and inner bottom surfaces of the three-way pipe (120), a support frame (160) set at the top of the three-way pipe (120), and a processor (170) embedded in the top of the support frame (160). The two blocks (150) are arranged opposite each other and fit together. The diaphragm pump (110), the main hydrogen probe (130), and the secondary hydrogen probe (140) are all electrically connected to the processor (170).

2. The real-time monitoring system for atmosphere nitriding furnace nitriding according to claim 1, characterized in that, The diaphragm pump (110) is provided with a filter assembly (200) at its input end. The filter assembly (200) includes a curved tube (210) sleeved on the outside of the input end of the diaphragm pump (110), a flange (220) sleeved on the outside of the curved tube (210), and a filter element (230) fixed to the inner wall of the curved tube (210).

3. The real-time monitoring system for atmosphere nitriding furnace nitriding according to claim 2, characterized in that, The bottom of the curved pipe (210) is provided with a cleaning component (300), which includes a drain pipe (310) extending through the bottom of the curved pipe (210) and a pipe cap (320) screwed to the bottom end of the drain pipe (310).

4. The real-time monitoring system for atmosphere nitriding furnace nitriding according to claim 3, characterized in that, The drain pipe (310) is located at the bottom of the filter element (230) and is connected to the inside of the curved pipe (210).

5. The real-time monitoring system for atmosphere nitriding furnace nitriding according to claim 1, characterized in that, A bracket (400) is connected between the main hydrogen probe (130) and the auxiliary hydrogen probe (140), and the bottom of the diaphragm pump (110) and the bottom of the support (160) are both connected to the top of the bracket (400).

6. The real-time monitoring system for atmosphere nitriding furnace nitriding according to claim 1, characterized in that, An alarm (500) is installed on one side of both the main hydrogen probe (130) and the auxiliary hydrogen probe (140), and both alarms (500) are electrically connected to the processor (170).

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