Anti-oxidation tin melting furnace

Abstract

The utility model relates to the technical field of smelting equipment, in particular to an anti-oxidation tin melting furnace which comprises a tin melting furnace body and a nitrogen pumping device, the nitrogen pumping device injects nitrogen into the tin melting furnace body through a nitrogen conveying pipeline, an exhaust pipeline is arranged on the tin melting furnace body, and the nitrogen conveying pipeline is communicated with the exhaust pipeline. And an oxygen sensor and an electromagnetic valve are sequentially arranged on the exhaust pipeline. When the tin material in the tin melting furnace body is melted, nitrogen is injected into the tin melting furnace body through the nitrogen pumping device, and air in the tin melting furnace body is exhausted through the exhaust pipeline through the nitrogen, so that oxygen in the air is exhausted, oxidation of the tin material in the tin melting furnace body is reduced, and further, the tin material in the tin melting furnace body can be prevented from being oxidized. When air in the tin melting furnace body is exhausted through the exhaust pipeline, the oxygen content in the air is monitored through the oxygen sensor, and when the oxygen content monitored by the oxygen sensor is lower than a preset value, the electromagnetic valve enables the exhaust pipeline to be in a closed state so as to reduce oxidation of tin materials.

Description

TECHNICAL FIELD

[0001] The utility model relates to smelting equipment technical field especially relates to a kind of anti-oxidation tin melting furnace. BACKGROUND

[0002] Tin material is the important packaging, soldering material of electronic, lighting industry, lead material is the important material of battery, electronic industry, smelting is indispensable in the use process of tin material and lead material, the smelting of current tin solder, lead material, most of them are open smelting mode, that is, the pot mouth of smelting crucible pot is open, in the smelting process, with the temperature rise, the surface layer of material in the pot is in contact with air and oxidized, these oxide layers form oxide, so that the utilization rate of material reduces and the proportion of impurities in material increases. With the rapid development of modern industry, especially the requirement of material in special field of production and manufacture is higher and higher, higher requirement is proposed to the proportion of impurity component contained in material, so reducing the oxidation of material in smelting process is the key to improve product purity. SUMMARY

[0003] In view of the problems in the background art, the utility model discloses a kind of anti-oxidation tin melting furnace that can improve tin material purity.

[0004] The utility model embodiment proposes a kind of anti-oxidation tin melting furnace, including tin melting furnace body and nitrogen gas pumping device, nitrogen gas pumping device injects nitrogen into the tin melting furnace body by nitrogen gas delivery pipeline, exhaust pipe is provided on the tin melting furnace body, oxygen sensor and solenoid valve are sequentially provided on the exhaust pipe, the oxygen sensor is used to monitor the oxygen content in gas flowing through the exhaust pipe, the solenoid valve is used to control the exhaust pipe on-off according to oxygen content.

[0005] In an optional embodiment, the nitrogen gas pumping device, the solenoid valve and the oxygen sensor are electrically connected with an external controller.

[0006] In an optional embodiment, when the oxygen content monitored by the oxygen sensor is lower than a preset value, the solenoid valve makes the closed state of the exhaust pipe.

[0007] When the oxygen content monitored by the oxygen sensor is higher than a preset value, the solenoid valve makes the open state of the exhaust pipe.

[0008] In an optional embodiment, a charging port is provided on the tin melting furnace body, and the charging port is used to add tin material to be melted into the tin melting furnace body.

[0009] In an optional embodiment, a stirring device is provided on the tin melting furnace body.

[0010] In an alternative embodiment, the molten solder furnace body is provided with a heat preservation layer, and a heating coil is arranged in the heat preservation layer, and the heating coil is used for heating the molten solder material in the molten solder furnace body.

[0011] In an alternative embodiment, the molten solder furnace body is provided with a heat preservation layer, and a heating coil is arranged in the heat preservation layer, and the heating coil is used for heating the molten solder material in the molten solder furnace body.

[0012] Compared with the prior art, the molten solder furnace has the following beneficial technical effects:

[0013] In the molten solder furnace, when the tin material is melted, nitrogen gas is injected into the molten solder furnace through the nitrogen gas pumping device, and the air in the molten solder furnace is discharged through the exhaust pipeline, so that the oxygen in the air is discharged to reduce the oxidation of the tin material in the molten solder furnace. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A front view of the anti-oxidation molten solder furnace in the embodiment of the present application is given.

[0015] Figure 2 A front view of the anti-oxidation molten solder furnace in the embodiment of the present application is given.

[0016] Reference signs: 100, molten solder furnace body; 110, feeding port; 120, discharge port; 130, heat preservation layer; 131, heating coil; 210, oxygen sensor; 220, electromagnetic valve; 230, exhaust pipeline; 300, nitrogen gas pumping device; 310, nitrogen gas conveying pipeline; 400, stirring device. DETAILED DESCRIPTION

[0017] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "inner", "outer", "front", "back" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0019] As shown in Figure 1 and Figure 2 The utility model discloses an anti -oxidation tin melting furnace, including tin melting furnace body 100 and nitrogen gas pumping device 300, nitrogen gas pumping device 300 is through nitrogen gas delivery pipeline 310 and injects nitrogen gas to tin melting furnace body 100, be provided with exhaust pipe 230 on tin melting furnace body 100, oxygen gas sensor 210 and solenoid valve 220 are sequentially arranged on exhaust pipe 230, oxygen gas sensor 210 is used for monitoring the oxygen content in the gas flowing through exhaust pipe 230, and solenoid valve 220 is used for controlling the on-off of exhaust pipe 230 according to oxygen content.

[0020] When tin material is melted in the tin melting furnace body 100, nitrogen gas is injected into the tin melting furnace body 100 by the nitrogen gas pumping device 300, and the air in the tin melting furnace body 100 is discharged through the exhaust pipe 230 by nitrogen gas, so that the oxygen in the air is discharged to reduce the oxidation of the tin material in the tin melting furnace body 100. Further, when the air in the tin melting furnace body 100 is discharged through the exhaust pipe 230, the oxygen content in the air is monitored by the oxygen sensor 210. When the oxygen content monitored by the oxygen sensor 210 is lower than the preset value, the solenoid valve 220 makes the closed state of the exhaust pipe 230.

[0021] When the oxygen content monitored by the oxygen sensor 210 is higher than the preset value, the solenoid valve 220 makes the open state of the exhaust pipe 230. Thus, the oxygen content in the tin melting furnace body 100 is automatically controlled, so that the content of active gas in the tin melting furnace body 100 is kept low.

[0022] It should be noted that the nitrogen gas pumping device 300, the solenoid valve 220 and the oxygen sensor 210 are electrically connected to the external controller. The nitrogen gas pumping device 300, the oxygen sensor 210 and the solenoid valve 220 can be controlled to work by the external controller according to the data monitored by the oxygen sensor 210.

[0023] Further, the tin melting furnace body 100 is provided with a feeding opening 110, which is used for adding tin materials to be melted into the tin melting furnace body 100. The tin materials to be melted are added into the tin melting furnace body 100 through the feeding opening 110. The tin melting furnace body 100 is provided with a heat preservation layer 130, and the heat preservation layer 130 is provided with a heating coil 131, which is used for heating the tin materials to be melted in the tin melting furnace body 100. The tin materials to be melted in the tin melting furnace body 100 are heated and melted by the heating coil 131, and the heat preservation layer 130 improves the heat preservation effect of the tin melting furnace body 100. The tin melting furnace body 100 is provided with a stirring device 400. The tin materials in the tin melting furnace body 100 can be more fully stirred by the stirring device 400, so that the tin materials are fully melted. The tin melting furnace body 100 is provided with a discharge opening 120 at the bottom, which is used for discharging the melted tin materials in the tin melting furnace body 100.

[0024] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "providing" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, according to the specific circumstances, the above-mentioned terms in the present application should be understood according to the specific meaning of the above-mentioned terms in the present application.

[0025] The above specific embodiments are only one or several preferred embodiments of the present application, and based on the technical scheme of the present application and the related inspiration of the above embodiments, the above specific embodiments can be made by the skilled in the art. Various alternative improvements and combinations.

Claims

1. An oxidation resistant soldering pot characterized by, The application relates to a molten tin furnace body (100) and a nitrogen gas pumping device (300), the nitrogen gas pumping device (300) injects nitrogen gas into the molten tin furnace body (100) through a nitrogen gas conveying pipeline (310), an exhaust pipeline (230) is arranged on the molten tin furnace body (100), an oxygen sensor (210) and an electromagnetic valve (220) are sequentially arranged on the exhaust pipeline (230), the oxygen sensor (210) is used for monitoring the oxygen content in gas flowing through the exhaust pipeline (230), and the electromagnetic valve (220) is used for controlling the opening and closing of the exhaust pipeline (230) according to the oxygen content.

2. The anti-oxidation molten tin furnace according to claim 1, wherein The nitrogen gas pumping device (300), the electromagnetic valve (220) and the oxygen sensor (210) are electrically connected with an external controller.

3. The anti-oxidation molten tin furnace according to claim 1, wherein When the oxygen content monitored by the oxygen sensor (210) is lower than a preset value, the electromagnetic valve (220) makes the exhaust pipeline (230) in a closed state; When the oxygen content monitored by the oxygen sensor (210) is higher than a preset value, the electromagnetic valve (220) makes the exhaust pipeline (230) in an open state.

4. The anti-oxidation molten tin furnace according to claim 1, wherein A feeding opening (110) is arranged on the molten tin furnace body (100), and the feeding opening (110) is used for adding molten tin materials into the molten tin furnace body (100).

5. The anti-oxidation molten tin furnace according to claim 1, wherein A stirring device (400) is arranged on the molten tin furnace body (100).

6. The anti-oxidation molten tin furnace according to claim 1, wherein A heat preservation layer (130) is arranged on the molten tin furnace body (100), a heating coil (131) is arranged in the heat preservation layer (130), and the heating coil (131) is used for heating the molten tin materials in the molten tin furnace body (100).

7. The anti-oxidation molten tin furnace according to claim 1, wherein A discharging opening (120) is arranged at the bottom of the molten tin furnace body (100), and the discharging opening (120) is used for discharging the molten tin materials in the molten tin furnace body (100).

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