Temperature control device for nickel alloy heat treatment furnace

Abstract

The utility model discloses a temperature control device for a nickel alloy heat treatment furnace. The temperature control device comprises a workbench and a pretreatment box, a heat treatment box is fixed to one side of the top end of the workbench, a control panel is installed on one side of the heat treatment box, a pretreatment box is installed on the other side of the heat treatment box, a recycling structure is arranged on one side of the pretreatment box, and a temperature sensor is arranged at the top end in the heat treatment box. By using the exhaust fan and the flue, waste gas can flow in the flue when being exhausted, so that heat is transferred to the interior of the pretreatment box, nickel alloy in the pretreatment box is preheated, residual stress of the nickel alloy is reduced, the effect of the nickel alloy during subsequent heat treatment is better, and the service life of the nickel alloy is prolonged. Recovery of waste gas heat is completed; and through cooperative use of activated carbon, toxic substances in the waste gas can be filtered when the waste gas is discharged, so that the waste gas is prevented from polluting the surrounding environment when the waste gas is discharged, and the filtering work is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of nickel alloy heat treatment, in particular to a temperature control device for a nickel alloy heat treatment furnace. Background Art

[0002] Alloy is an alloy based on nickel with other elements added. Due to the good mechanical, physical and chemical properties of nickel itself, after adding appropriate elements, it can significantly improve the oxidation resistance, corrosion resistance, high temperature strength and improve certain physical properties. When processing nickel alloys, it is also necessary to perform heat treatment on them to improve the hardness, strength, wear resistance, corrosion resistance of nickel alloys and improve their processing performance. When performing heat treatment, a nickel alloy heat treatment furnace temperature control device is required.

[0003] However, in order to reach the heat treatment temperature during heat treatment, the traditional nickel alloy heat treatment furnace temperature control device generally uses coal gas, natural gas, and liquefied petroleum gas to heat it. These fuels will produce exhaust gas when burned. The traditional method is to directly discharge it, which easily causes the waste of heat in the exhaust gas. Therefore, a nickel alloy heat treatment furnace temperature control device is needed to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a temperature control device for a nickel alloy heat treatment furnace, so as to solve the defect that the temperature control device of the existing nickel alloy heat treatment furnace is inconvenient to recover heat in the exhaust gas during heating.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a temperature control device for a nickel alloy heat treatment furnace, comprising a workbench and a pretreatment box; a heat treatment box is fixed on one side of the top of the workbench, a control panel is installed on one side of the heat treatment box, a pretreatment box is installed on the other side of the heat treatment box, a recovery structure is provided on one side of the pretreatment box, and a temperature sensor is provided on the top of the interior of the heat treatment box; a combustion chamber is installed on one side of the bottom end of the workbench, a nozzle is installed inside the combustion chamber, and an air inlet is installed at the bottom end of the nozzle pipe, a gas pipe is installed at one end of the air inlet pipe, and a sealing structure is provided at the connection between the air inlet pipe and the gas pipe; an air inlet is provided on one side of the combustion chamber, and the recovery structure includes a fixed cover, an exhaust fan, a flue, activated carbon, a smoke outlet and an air outlet hole, the exhaust fan is installed in the middle position of the top of the workbench, the flue is opened in the inner wall of the pretreatment box, the smoke outlet is provided on one side of the pretreatment box, a fixed cover is provided on one side of the smoke outlet, activated carbon is placed inside the fixed cover, and an air outlet hole is opened inside one side of the fixed cover.

[0006] Preferably, one end of the exhaust fan is connected to one side of the combustion chamber, and the other end of the exhaust fan is connected to one side of the flue.

[0007] Preferably, an outer side of the smoke outlet is provided with an external thread, an inner side of the fixing cover is provided with an internal thread, and a threaded connection is formed between the smoke outlet and the fixing cover.

[0008] Preferably, a plurality of the air outlet holes are provided, and the plurality of the air outlet holes are distributed in a ring shape on one side of the fixed cover.

[0009] Preferably, the sealing structure includes a flange, a sealing ring, a fixing bolt and a nut. The flange is installed on one end of the air inlet pipe and the gas pipe. A sealing ring is provided on the outer side of one end of the gas pipe. The fixing bolt passes through the interior of the flange, and a nut is provided on the outer side of one end of the fixing bolt.

[0010] Preferably, the sealing ring is sleeved on the outside of one end of the gas pipe, and a sealed connection is formed between the sealing ring and the gas pipe.

[0011] Preferably, the nut is sleeved on the outside of the fixing bolt, and a threaded connection is formed between the nut and the fixing bolt.

[0012] The temperature control device for a nickel alloy heat treatment furnace provided by the utility model has the following advantages:

[0013] By using the exhaust fan and the flue, the exhaust gas can flow inside the flue when it is discharged, thereby transferring heat to the inside of the pretreatment box, preheating the nickel alloy inside the pretreatment box to reduce the residual stress of the nickel alloy, so that the nickel alloy has a better effect in the subsequent heat treatment, and the heat of the exhaust gas is recovered;

[0014] And through the use of activated carbon, the toxic substances in the exhaust gas can be filtered when the exhaust gas is discharged, preventing the exhaust gas from polluting the surrounding environment when it is discharged, thereby completing the filtration work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the bottom-up structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0018] Figure 4 For the utility model Figure 3 A schematic diagram of the partially enlarged structure at center A;

[0019] Figure 5 This is a schematic diagram of the partial explosion structure of the recovery structure of the utility model.

[0020] In the figure: 1. Workbench; 2. Combustion chamber; 3. Heat treatment box; 4. Pretreatment box; 5. Recovery structure; 501. Fixed cover; 502. Exhaust fan; 503. Flue; 504. Activated carbon; 505. Smoke outlet; 506. Air outlet; 6. Control panel; 7. Air inlet; 8. Gas pipe; 9. Sealing structure; 901. Flange; 902. Sealing ring; 903. Fixing bolt; 904. Nut; 10. Inlet pipe; 11. Nozzle; 12. Temperature sensor. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The present invention provides a temperature control device for a nickel alloy heat treatment furnace. Figure 1-Figure 5 As shown, a temperature control device for a nickel alloy heat treatment furnace includes a workbench 1 and a pretreatment box 4; a heat treatment box 3 is fixed to one side of the top of the workbench 1, a control panel 6 is installed on one side of the heat treatment box 3, a pretreatment box 4 is installed on the other side of the heat treatment box 3, a recovery structure 5 is provided on one side of the pretreatment box 4, and a temperature sensor 12 is provided at the top of the heat treatment box 3; a combustion chamber 2 is installed on one side of the bottom end of the workbench 1, a nozzle 11 is installed inside the combustion chamber 2, an air intake pipe 10 is installed at the bottom end of the nozzle 11, a gas pipe 8 is installed at one end of the air intake pipe 10, and a sealing structure 9 is provided at the connection between the air intake pipe 10 and the gas pipe 8; an air inlet 7 is provided on one side of the combustion chamber 2.

[0023] In a further preferred embodiment of the present invention, Figure 1-Figure 5 As shown: the sealing structure 9 includes a flange 901, a sealing ring 902, a fixing bolt 903 and a nut 904. The flange 901 is installed on one end of the air inlet pipe 10 and the gas pipe 8. The outer side of one end of the gas pipe 8 is provided with a sealing ring 902. The fixing bolt 903 passes through the interior of the flange 901. A nut 904 is provided on the outer side of one end of the fixing bolt 903. The sealing ring 902 is sleeved on the outer side of one end of the gas pipe 8, and a sealed connection is formed between the sealing ring 902 and the gas pipe 8. The nut 904 is sleeved on the outer side of the fixing bolt 903, and a threaded connection is formed between the nut 904 and the fixing bolt 903.

[0024] Specifically, in this embodiment: when heat treating the nickel alloy, first place a piece of nickel alloy inside the heat treatment box 3, and place the other piece inside the pretreatment box 4. After placing them, connect the gas pipe 8 and the air intake pipe 10. When connecting, put the sealing ring 902 on the outside of one end of the gas pipe 8, and insert one end of the gas pipe 8 into the interior of the air intake pipe 10. After the insertion is completed, the fixing bolt 903 is passed through the interior of the flange 901 and fixed by the nut 904. At this time, the use of the sealing ring 902 can enhance the sealing of the connection between the gas pipe 8 and the air intake pipe 10, so that there will be no leakage during use, thereby completing the sealing work.

[0025] In a further preferred embodiment of the present invention, Figure 1-Figure 5 As shown: the recovery structure 5 includes a fixed cover 501, an exhaust fan 502, a flue 503, activated carbon 504, a smoke outlet 505 and an air outlet 506. The exhaust fan 502 is installed at the middle position of the top of the workbench 1. The flue 503 is opened in the inner wall of the pretreatment box 4. The smoke outlet 505 is set on one side of the pretreatment box 4. A fixed cover 501 is set on one side of the smoke outlet 505. Activated carbon 504 is placed inside the fixed cover 501. The fixed cover 501 is affixed to the bottom of the workbench 1. An air outlet 506 is provided inside one side of the combustion chamber 2. One end of the exhaust fan 502 is connected to one side of the combustion chamber 2, and the other end of the exhaust fan 502 is connected to one side of the flue 503. An external thread is provided on the outer side of the smoke outlet 505, and an internal thread is provided on the inner side of the fixed cover 501. A threaded connection is formed between the smoke outlet 505 and the fixed cover 501. A plurality of air outlet holes 506 are provided, and the plurality of air outlet holes 506 are distributed in a ring shape on one side of the fixed cover 501.

[0026] Specifically, in this embodiment, after the connection is completed, the ignition is ignited to heat the heat treatment box 3 through the nozzle 11, and oxygen is injected through the air inlet 7 for combustion. When the heat treatment box 3 is heating, the temperature sensor 12 is used to monitor the temperature inside the heat treatment box 3. When the temperature reaches 1000 degrees, the heating is stopped, thereby completing the heat treatment of the nickel alloy inside the heat treatment box 3. When the nozzle 11 burns the gas and produces exhaust gas, the exhaust fan 502 is started to slowly exhaust and inject the exhaust gas into the interior of the flue 503. The exhaust gas is When flowing through the flue 503, the heat in the exhaust gas will heat the pretreatment box 4, thereby preheating the nickel alloy inside the pretreatment box 4. The preheating reduces the residual stress inside the nickel alloy, making the nickel alloy more effective in subsequent heat treatment. After the heat recovery is completed, the exhaust gas is discharged through the smoke outlet 505. At this time, the use of activated carbon 504 can filter the toxic substances in the exhaust gas when the exhaust gas is discharged, preventing the exhaust gas from polluting the surrounding environment when it is discharged, completing the filtration work, and finally completing the heat treatment of the nickel alloy.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A temperature control device for a nickel alloy heat treatment furnace, comprising a workbench (1) and a pretreatment box (4); Its characteristics are: A heat treatment box (3) is fixed on one side of the top of the workbench (1), a control panel (6) is installed on one side of the heat treatment box (3), a pretreatment box (4) is installed on the other side of the heat treatment box (3), and a recovery structure (5) is provided on one side of the pretreatment box (4); a temperature sensor (12) is provided on the top of the interior of the heat treatment box (3); A combustion chamber (2) is installed on one side of the bottom end of the workbench (1), a nozzle (11) is installed inside the combustion chamber (2), an air intake pipe (10) is installed at the bottom end of the nozzle (11), a gas pipe (8) is installed at one end of the air intake pipe (10), and a sealing structure (9) is provided at the connection between the air intake pipe (10) and the gas pipe (8); An air inlet (7) is provided on one side of the combustion chamber (2); the recovery structure (5) comprises a fixed cover (501), an exhaust fan (502), a flue (503), activated carbon (504), a smoke outlet (505) and an air outlet (506); the exhaust fan (502) is installed at the middle position of the top of the workbench (1); the flue (503) is opened in the inner wall of the pretreatment box (4); the smoke outlet (505) is provided on one side of the pretreatment box (4); a fixed cover (501) is provided on one side of the smoke outlet (505); activated carbon (504) is placed inside the fixed cover (501); and an air outlet (506) is opened inside one side of the fixed cover (501).

2. The temperature control device for a nickel alloy heat treatment furnace according to claim 1, characterized in that: One end of the exhaust fan (502) is connected to one side of the combustion chamber (2), and the other end of the exhaust fan (502) is connected to one side of the flue (503).

3. The temperature control device for a nickel alloy heat treatment furnace according to claim 2, characterized in that: The outer side of the smoke outlet (505) is provided with an external thread, and the inner side of the fixing cover (501) is provided with an internal thread, so that a threaded connection is formed between the smoke outlet (505) and the fixing cover (501).

4. The temperature control device for a nickel alloy heat treatment furnace according to claim 2, characterized in that: A plurality of the air outlet holes (506) are provided, and the plurality of the air outlet holes (506) are distributed in a ring shape on one side of the fixed cover (501).

5. The temperature control device for a nickel alloy heat treatment furnace according to claim 4, characterized in that: The sealing structure (9) comprises a flange (901), a sealing ring (902), a fixing bolt (903) and a nut (904); the flange (901) is mounted on one end of the air inlet pipe (10) and the gas pipe (8); the sealing ring (902) is sleeved on the outer side of one end of the gas pipe (8); the fixing bolt (903) passes through the interior of the flange (901); and the nut (904) is arranged on the outer side of one end of the fixing bolt (903).

6. A temperature control device for a nickel alloy heat treatment furnace according to claim 5, characterized in that: The sealing ring (902) is sleeved on the outside of one end of the gas pipe (8), and a sealed connection is formed between the sealing ring (902) and the gas pipe (8).

7. A temperature control device for a nickel alloy heat treatment furnace according to claim 6, characterized in that: The nut (904) is sleeved on the outside of the fixing bolt (903), and a threaded connection is formed between the nut (904) and the fixing bolt (903).

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