Atmosphere-controllable smelting furnace

Abstract

The atmosphere-controllable smelting furnace comprises a furnace body, and the furnace body is sequentially provided with an inner shell, a heating layer, a heat insulation layer and an outer shell from inside to outside. The top of the furnace body is fixedly connected with an atmosphere liquid storage barrel and a booster fan, the top of the atmosphere liquid storage barrel is provided with a cover body, a liquid inlet pipe is connected between the bottom of the atmosphere liquid storage barrel and the furnace body, the liquid inlet pipe is connected with a control valve, the booster fan is connected with the furnace body through an exhaust pipe, and the exhaust pipe is connected with a pressure regulating valve; an air outlet pipe is arranged on one side of the furnace body and connected with a one-way air outlet adjusting valve. Through the cooperation of the booster fan, the exhaust pipe and the pressure regulating valve, the air pressure in the furnace can be regulated, the sealing performance of the furnace body is improved, and sufficient pressure in the furnace body is ensured; and by arranging the gas outlet pipe and the one-way gas outlet adjusting valve, when gas generated after the atmosphere liquid in the furnace body is heated is discharged, the bad effect on the atmosphere liquid due to sudden temperature drop in the furnace body is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to smelting furnace technical field, concretely relates to a smelting furnace of controllable atmosphere. BACKGROUND

[0002] In the field of modern material smelting processing, especially for some high-performance alloy, special metal and the smelting process of extremely high purity material, the precise control of the atmosphere in the furnace becomes a crucial factor. In the traditional smelting furnace technology, the control ability of the atmosphere has obvious limitations. Many smelting furnaces cannot create and maintain a stable atmosphere environment according to the specific smelting process requirements. Some traditional smelting furnaces only rely on natural ventilation or simple ventilation devices, which cannot meet the smelting requirements of atmosphere-sensitive materials.

[0003] Based on the above situation, the utility model provides a smelting furnace of controllable atmosphere, which can effectively solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a smelting furnace of controllable atmosphere. The smelting furnace of controllable atmosphere provided by the utility model is convenient for adding atmosphere liquid into the furnace body and preparing atmosphere by the cooperation of atmosphere liquid storage cylinder, liquid inlet pipe and control valve, and the controllability of production and processing is increased. The cooperation of booster fan, air extraction pipe and pressure regulating valve can adjust the air pressure in the furnace, improve the sealing property of the furnace body, and ensure that the pressure in the furnace body is sufficient. The cooperation of the air outlet pipe and the one-way air outlet regulating valve can adjust the flow of the outlet air when the gas generated by heating the atmosphere liquid in the furnace body is discharged, so as to control the temperature in the furnace body and avoid the adverse effects of the sudden drop of the temperature in the furnace body on the atmosphere liquid.

[0005] The utility model discloses a smelting furnace of controllable atmosphere, which can effectively solve the above problems.

[0006] A smelting furnace of controllable atmosphere, comprising a furnace body, the furnace body is sequentially provided with an inner shell, a heating layer, a heat insulation layer and an outer shell from inside to outside, the top of the furnace body is fixedly connected with an atmosphere liquid storage cylinder and a booster fan, the top of the atmosphere liquid storage cylinder is provided with a cover, the bottom of the atmosphere liquid storage cylinder is connected with a liquid inlet pipe between the furnace body, the liquid inlet pipe is connected with a control valve, the booster fan is connected with the furnace body through an air extraction pipe, and the air extraction pipe is connected with a pressure regulating valve, one side of the furnace body is provided with an air outlet pipe, and the air outlet pipe is connected with a one-way air outlet regulating valve.

[0007] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the front side of the furnace body is hingedly connected with a sealing door, and the sealing door is provided with a rotary gate and an observation window.

[0008] According to the technical scheme, as a further preferred technical scheme of the technical scheme, the heating layer is a heating wire, and the heat insulation layer is rock wool.

[0009] According to the technical scheme, as a further preferred technical scheme of the technical scheme, the outer side wall of the atmosphere liquid storage cylinder is provided with a liquid level meter.

[0010] According to the technical scheme, as a further preferred technical scheme of the technical scheme, the inner side wall of the furnace body is provided with a temperature sensor.

[0011] According to the technical scheme, as a further preferred technical scheme of the technical scheme, the outer side wall of the furnace body is provided with a control panel.

[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0013] The smelting furnace with controllable atmosphere provided by the utility model has the advantages that: the atmosphere liquid storage cylinder, the liquid inlet pipe and the control valve are matched, so that the atmosphere liquid can be added into the furnace body and the atmosphere is prepared, and the controllability of production and processing is improved; the booster fan, the air exhaust pipe and the pressure regulating valve are matched, so that the air pressure in the furnace can be adjusted, the sealing property of the furnace body is improved, and the pressure in the furnace body is ensured to be sufficient; the gas exhaust pipe and the one-way gas exhaust regulating valve are arranged, so that when the gas generated after the atmosphere liquid in the furnace body is heated is exhausted, the flow of the exhaust gas is adjusted, the temperature in the furnace body is controlled, and the adverse effect of the sudden temperature drop in the furnace body on the atmosphere liquid is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a front view schematic view of the utility model;

[0016] Figure 3 It is a furnace body structure schematic view of the utility model. DETAILED DESCRIPTION

[0017] In order to make the person skilled in the art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model is described below in combination with specific implementation examples, but it should be understood that the drawings are only used for example description, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiment, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for the person skilled in the art, it is understandable that some well-known structures in the drawings and their description can be omitted. The positional relationship described in the drawings is only used for example description, and cannot be understood as the limitation of the patent.

[0018] The utility model provides a controllable atmosphere smelting furnace, including furnace body 1, furnace body 1 is sequentially provided with inner shell 101, heating layer 102, heat insulation layer 103 and outer shell 104 from inside to outside, the top fixed connection of furnace body 1 is connected with atmosphere liquid storage cylinder 2 and booster fan 3, and the top of atmosphere liquid storage cylinder 2 is provided with cover 4, and the bottom of atmosphere liquid storage cylinder 2 is connected with liquid inlet pipe 5 between furnace body 1, and liquid inlet pipe 5 is connected with control valve 6, and booster fan 3 is connected through air extraction pipe 7 between furnace body 1, and air extraction pipe 7 is connected with pressure regulating valve 8, one side of furnace body 1 is provided with air outlet pipe 9, and one-way air outlet regulating valve 10 is connected on air outlet pipe 9.

[0019] The utility model discloses a cooperation of atmosphere liquid storage cylinder 2, liquid inlet pipe 5 and control valve 6, is convenient for adding atmosphere liquid to furnace body 1, is convenient for preparing atmosphere in the processing, increases controllable of production and processing, through the cooperation of booster fan 3, air extraction pipe 7 and pressure regulating valve 8, can adjust the air pressure in the furnace, improve the sealing property of furnace body 1, guarantee the pressure in furnace body 1 is sufficient, by setting up air outlet pipe 9 and one-way air outlet regulating valve 10, when the gas generated after the atmosphere liquid in furnace body 1 is heated is discharged, the flow of air outlet is adjusted, so as to control the temperature in furnace body 1, avoid the adverse effect of the temperature sudden drop in furnace body 1 to atmosphere liquid.

[0020] Further, in another embodiment, the front side of the furnace body 1 is hingedly connected with a sealing door 11, which is provided with a rotary gate 12 and an observation window 13.

[0021] By setting the sealing door 11, the operator can easily open and close the furnace body for loading and unloading operations. By setting the rotary gate 12, the sealing property of the sealing door 11 can be enhanced to prevent gas leakage in the furnace and external air from entering, ensuring the controllability of the atmosphere in the furnace. By setting the observation window 13, the operator can observe the smelting condition in the furnace without opening the furnace door.

[0022] Further, in another embodiment, the heating layer 102 is a heating wire, and the heat insulation layer 103 is rock wool.

[0023] By using a heating wire as the heating layer 102, stable heat can be provided to meet the requirements of different smelting processes. The use of rock wool in the heat insulation layer 103 has good heat insulation performance, reduces heat loss of the furnace body, and improves energy utilization efficiency.

[0024] Further, in another embodiment, the outer side wall of the atmosphere liquid storage cylinder 2 is provided with a liquid level gauge 14.

[0025] By setting the liquid level gauge 14, the liquid level height of the atmosphere liquid in the atmosphere liquid storage cylinder 2 can be directly displayed.

[0026] Further, in another embodiment, the inner side wall of the furnace body 1 is provided with a temperature sensor 15.

[0027] By arranging the temperature sensor 15, the temperature in the furnace can be monitored in real time.

[0028] Further, in another embodiment, the outer side wall of the furnace body 1 is provided with a control panel 16.

[0029] By arranging the control panel, the temperature, air pressure and atmosphere in the furnace can be conveniently set and adjusted, improving the convenience and efficiency of operation.

[0030] According to the description and drawings of the present application, those skilled in the art can easily manufacture or use the controllable atmosphere melting furnace, and can produce the positive effects described in the present application.

[0031] Unless otherwise specified and limited, in the present application, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. The orientation or positional relationship shown in the drawing is based on the orientation or positional relationship shown in the drawing, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation. Therefore, the terms describing the orientation or position relationship in the present application are only used for exemplary description, and cannot be understood as a limitation on the present patent. For those skilled in the art, the specific meaning of the above terms can be understood in conjunction with the drawings and according to the specific circumstances.

[0032] Unless otherwise specified and limited, in the present application, if there are terms such as "arrangement", "connection" and "connection", they should be understood broadly, for example, they can be fixedly connected, or they can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification or equivalent change made according to the technical essence of the present application to the above embodiments falls within the scope of protection of the present application.

Claims

1. A controlled atmosphere melting furnace, characterized in that: The invention comprises a furnace body (1), wherein the furnace body (1) is provided with an inner shell (101), a heating layer (102), a heat insulating layer (103) and an outer shell (104) in sequence from the inside to the outside; an atmosphere liquid storage cylinder (2) and a booster fan (3) are fixedly connected to the top of the furnace body (1); a cover (4) is provided on the top of the atmosphere liquid storage cylinder (2); a liquid inlet pipe (5) is connected between the bottom of the atmosphere liquid storage cylinder (2) and the furnace body (1); the liquid inlet pipe (5) is connected to a control valve (6); the booster fan (3) and the furnace body (1) are connected via an exhaust pipe (7); the exhaust pipe (7) is connected to a pressure regulating valve (8); an exhaust pipe (9) is provided on one side of the furnace body (1); a one-way exhaust regulating valve (10) is connected to the exhaust pipe (9).

2. The controlled atmosphere smelting furnace according to claim 1, characterized in that: The front side of the furnace body (1) is hingedly connected to a sealed door (11), and the sealed door (11) is provided with a rotating gate (12) and an observation window (13).

3. The controlled atmosphere smelting furnace according to claim 1, characterized in that: The heating layer (102) is a heating wire, and the heat insulation layer (103) is rock wool.

4. The controlled atmosphere smelting furnace according to claim 1, characterized in that: A liquid level gauge (14) is provided on the outer side wall of the atmosphere liquid storage cylinder (2).

5. The controlled atmosphere smelting furnace according to claim 1, characterized in that: A temperature sensor (15) is provided on the inner side wall of the furnace body (1).

6. The controlled atmosphere melting furnace according to claim 1, characterized in that: A control panel (16) is provided on the outer side wall of the furnace body (1).

Images