Nitridation controllable zero-pollution ion nitriding device

An ion nitriding, zero-pollution technology, applied in metal material coating process, coating, solid-state diffusion coating, etc., can solve the problems of non-adjustable anode-cathode spacing, uncontrollable nitriding, ammonia pollution, etc., to achieve Effects of zero-pollution ion nitriding, shortening production cycle, and solving pollution problems

Active Publication Date: 2017-09-12
XIHUA UNIV
7 Cites 4 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a zero-pollution ion nitriding device with controllable nitriding. Nitrogen is controllable, and it can also realize zero-pollution ion nitriding...
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Abstract

The invention relates to an ion nitriding device, in particular to a nitridation controllable zero-pollution ion nitriding device which comprises a furnace body, a furnace base plate, a transmission system, an adjustable cathode system, a fast cooling system, an adjustable anode system and a zero-pollution gas circulating system. The furnace body is arranged over the furnace base plate to form a nitridation chamber. The transmission system is fixed to the middle portion of the furnace base plate. The adjustable cathode system, the fast cooling system and the adjustable anode system are arranged in the middle of the nitridation chamber. The zero-pollution gas circulating system is arranged on the lower portion outside the furnace base plate. The nitridation controllable zero-pollution ion nitriding device solves the technical problems that temperature of a traditional ion nitriding device is increased or decreased slowly, the space between the cathode and the anode is not adjustable, nitridation is uncontrollable, and ammonia gas pollution is caused. The device is also suitable for physical vapor deposition and chemical vapor deposition of the surface of a material.

Application Domain

Solid state diffusion coating

Technology Topic

IonTransmission system +9

Image

  • Nitridation controllable zero-pollution ion nitriding device
  • Nitridation controllable zero-pollution ion nitriding device

Examples

  • Experimental program(1)

Example Embodiment

[0030] Such as figure 1 with figure 2 As shown, a nitriding controllable zero-pollution ion nitriding device includes a furnace body 1, a furnace bottom plate 18, a transmission system, an adjustable cathode system, a rapid cooling system, an adjustable anode system, and a zero-pollution gas circulation system. The furnace body 1 is placed directly above the furnace chassis 18 to form a nitriding chamber. The bottom of the nitriding chamber is provided with an air inlet and an air outlet; the transmission system is fixed in the middle of the furnace chassis 18; the adjustable cathode system, the rapid cooling system and the adjustable anode system are set In the middle of the nitriding chamber; the zero-pollution gas circulation system is placed in the lower part of the furnace bottom plate 18.
[0031] The transmission system includes a counterclockwise motor 17, a cathode support 20, and a workpiece 22. The counterclockwise motor 17 and the cathode support 20 are connected by a key. The workpiece 22 is fixed to the cathode support 20. The counterclockwise electrode 17 drives the workpiece 22 to rotate counterclockwise through the cathode support 20.
[0032] The adjustable cathode system includes an auxiliary cathode 18, an insulating ceramic lining 9, and a cathode handle 21. The auxiliary cathode 18 is fan-shaped. The auxiliary cathode 18 is placed directly above the insulating ceramic lining 9. The cathode handle 21 is cylindrical and the cathode handle 21 is fixed at one end. The middle part of the side wall of the auxiliary cathode 18 is connected, the other end of the cathode handle 21 is placed outside the furnace body 1 for moving the auxiliary cathode 18 back and forth, and the middle part of the cathode handle 21 is connected to the middle part of the side wall of the furnace body 1.
[0033] The rapid cooling system includes a cooling plate 6, an insulating ceramic lining 9, a cooling handle 25, a liquid inlet pipe 7, and a liquid outlet pipe 3. The cooling plate 6 is fan-shaped, the inside of the cooling plate 6 is hollow, and the lower part of the cooling plate 6 is provided with liquid inlet Hole 8, the liquid inlet hole 8 communicates with the hollow structure of the cooling plate 6, the upper part of the cooling plate 6 is provided with a liquid outlet hole 2, and the liquid outlet hole 2 communicates with the hollow structure of the cooling plate 6, and the cooling plate 6 is placed directly above the insulating ceramic lining 9; The handle 25 is cylindrical. The cooling handle 25 is provided with an "L-shaped" liquid inlet 5 and an "L-shaped" liquid outlet 4. One end of the cooling handle 25 is fixedly connected to the middle of the side wall of the cooling plate 6, and the other end of the cooling handle 25 is placed in the furnace The outside of the body 1 is used to move the cooling plate 6 back and forth. The middle part of the cooling handle 25 is connected with the middle part of the side wall of the furnace body 1. The liquid inlet pipe 7 is made of stainless steel, and the lower end of the liquid inlet pipe 7 is welded and fixed to the liquid inlet hole 8 of the cooling plate 6. The upper end of the inlet pipe 7 is welded and fixed to the inlet hole 5 of the cooling handle 25; the outlet pipe 3 is made of stainless steel, the upper end of the outlet pipe 3 is welded and fixed to the outlet hole 2 of the cooling plate 6, and the lower end of the outlet pipe 3 is welded and fixed to Cool the liquid outlet 4 of the handle 25.
[0034] The adjustable anode system includes an auxiliary anode 23 and an anode handle 24. The auxiliary anode 23 is fan-shaped. The auxiliary anode 23 is placed above the furnace bottom plate 18. The anode handle 24 is cylindrical. One end of the anode handle 24 is fixedly connected to the middle of the side wall of the auxiliary anode 23. The other end of the anode handle 24 is placed outside the furnace body 1 for moving the auxiliary anode 23 back and forth, and the middle part of the anode handle 24 is connected to the middle part of the side wall of the furnace body 1.
[0035] The zero-pollution gas circulation system includes gas storage bottle 15, nitrogen supplement bottle 16, circulation pump 14, vacuum pump 13, first two-way switch 115, second two-way switch 114, third two-way switch 113, and fourth two-way switch 112 , Fifth two-way switch 111, first three-way valve 124, second three-way valve 123, third three-way valve 121, fourth three-way valve 122, first pipe 106, second pipe 105, third pipe 101 , The fourth pipe 102, the air inlet pipe 104, and the air outlet pipe 103. The gas cylinder 15 is used to provide nitrogen gas to the nitriding chamber, and the gas cylinder 15 is connected to the air inlet pipe 104 through the second pipe 105; the nitrogen cylinder 16 is used to replenish nitrogen gas to the nitriding chamber; The air pipe 104 is connected by the first pipe 106; the circulating pump 14 is arranged between the air inlet pipe 104 and the air outlet pipe 103, and includes an air inlet and an air outlet. The air inlet of the circulating pump 14 and the air outlet of the nitriding chamber pass through the air outlet pipe 103 Connected, the outlet pipe 103 is fixed to the outlet hole at the bottom of the nitriding chamber by welding, the outlet of the circulating pump 14 is connected with the inlet of the nitriding chamber by the inlet pipe 104, and the inlet pipe 104 is fixed to the inlet hole at the bottom of the nitriding chamber by welding; 13 is arranged on the fourth pipe 102 and includes an air inlet and an air outlet. The air inlet of the vacuum pump 13 and the air outlet of the nitriding chamber are connected by an air outlet pipe 103. The first two-way switch 115 is arranged on the first pipe 106, and the second two-way switch 114 is arranged on the intake pipe 104 and is located between the first three-way valve 124 and the second three-way valve 123; the third two-way switch 113 is set on the second pipe 105; the fourth two-way switch 112 is set on the third pipe 101; the fifth two-way switch 111 is set on the fourth pipe 102 and is located between the vacuum pump 13 and the fourth three-way valve 122 The first three-way valve 124 is located at the intersection of the first pipe 106 and the intake pipe 104; the second three-way valve 123 is located at the intersection of the second pipe 105 and the intake pipe 104; the third three-way valve 121 is located at the third pipe The intersection of 101 and the outlet pipe 103; the fourth three-way valve 122 is arranged at the intersection of the fourth pipe 102 and the outlet pipe 103; the circulating pump 14 is a corrosion-resistant circulating pump, and the vacuum pump 13 is a corrosion-resistant vacuum pump.

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Description & Claims & Application Information

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