CN206523056U - A kind of obturator - Google Patents

Abstract

The utility model provides a kind of obturator, including part A and part B, the part A and part B are quadrangular, and the longitudinal section being parallel to each other of the part A and the part B is trapezoidal, and the part A is connected with the part B by one of ladder plane；It is provided with one plane of the obturator in exhaust port, a plane of the obturator and is provided with breather pipe, the top surface of the obturator, which is provided with peep hole, a plane of the obturator, is provided with charge door.The obturator that the application is provided can be used in Metal Melting or Molten, metal can be avoided to aoxidize using this device, improve product quality, reduce soot emissions, improve working environment.

Description

a closed device

technical field

The utility model relates to the technical field of electric furnaces, in particular to a sealing device.

Background technique

In the metallurgical industry, electric furnaces are required for metal smelting and molten salt electrolysis. Whether purchased or self-made, most of the electric furnaces are open. When smelting easily oxidizable metals (such as magnesium, lithium, etc.), it is necessary to isolate the air and introduce protective gas, so it is necessary to install a closed cover device; or when molten salt electrolysis metal or alloy, some metal or alloy float On the surface of the molten salt, it is easy to oxidize and react with air, and some even burn, which not only increases the difficulty of experimental operation, but also affects product quality. Therefore, in order to improve the quality of smelting products, it is urgent to provide a closed device suitable for use in an open electric furnace.

Utility model content

The technical problem solved by the utility model is to provide an airtight device. The airtight device provided by the application can be equipped with an automatic stirring device and electrode materials, and at the same time play the role of isolating air and reducing metal oxidation. Using this device can also realize feeding and function of exhaust emissions.

In view of this, the present application provides an airtight device, including part A and part B, both of which are quadrangular prisms, and the longitudinal sections of part A and part B are both trapezoidal , the A part and the B part are connected through one of the trapezoidal planes; one plane of the sealing device is provided with an exhaust outlet, one plane of the sealing device is provided with a vent pipe, and the sealing device An observation hole is arranged on the top surface, and a feeding port is arranged on a plane of the sealing device.

Preferably, the plane provided with the feeding port is an inclined plane, and the feeding port is arranged at the lower part of the inclined plane.

Preferably, the shape of the exhaust gas discharge port is a triangular prism, and the triangular prism communicates with the sealing device through a quadrilateral plane of the triangular prism, and a quadrilateral plane of the triangular prism is arranged parallel to the top surface of the sealing device .

Preferably, an automatic stirring device is installed in the observation hole.

Preferably, the observation hole is set at the junction of part A and part B.

Preferably, a movable cover is provided on the top of the exhaust gas discharge port.

Preferably, the top of the feeding port is provided with a movable cover.

Preferably, the sealing device is provided with a lining, and the lining is heat insulation cotton.

The application provides an airtight container, which includes part A and part B, both of which are quadrangular prisms, and the longitudinal sections of part A and part B are both trapezoidal in parallel to each other. Part A communicates with part B through one of the trapezoidal planes; one plane of the airtight device is provided with an exhaust outlet, one plane of the airtight device is provided with a vent pipe, and the top surface of the airtight device is provided with There is an observation hole, and a feeding port is arranged on a plane of the sealing device. The airtight device provided by this application is equipped on an electric furnace for industrial production, which can isolate the air, and at the same time, a protective gas can be introduced through the ventilation pipe to reduce metal oxidation, and an observation hole is reserved for easy observation of the situation in the electric furnace. Therefore, the airtight device provided by this application In addition to isolating the air, the airtight device can also realize the functions of feeding and exhaust gas discharge.

Description of drawings

Fig. 1 is the top view of the airtight device that the utility model embodiment 1 provides;

Fig. 2 is a side view of the sealing device provided by Embodiment 1 of the present utility model.

detailed description

In order to further understand the utility model, the preferred embodiment of the utility model is described below in conjunction with the examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the utility model claims.

The embodiment of the utility model discloses an airtight device, which includes part A and part B, both of which are quadrangular prisms, and the parallel longitudinal sections of part A and part B are both trapezoidal, The part A and the part B are connected through one of the trapezoidal planes; one plane of the sealing device is provided with an exhaust outlet, one plane of the sealing device is provided with a vent pipe, and the top of the sealing device A viewing hole is arranged on the surface, and a feeding port is arranged on a plane of the sealing device.

As shown in Figure 1, Fig. 1 is a specific example of the airtight device of the present utility model, and this figure is the top view of the airtight device, wherein 1 is an exhaust discharge port, 2 is an observation hole, 3 is a vent pipe, and 4 is a feed port. FIG. 2 is a side view of the closure device described in FIG. 1 .

In this application, since the sealing device is equipped on the electric furnace for isolating air and introducing protective gas to reduce metal oxidation, the sealing device is actually an airtight cover, which is equipped on the electric furnace The plane in contact with the electric furnace is connected with the electric furnace. The sealing device includes part A and part B, wherein part A and part B are both quadrangular prisms. In order to ensure the airtight effect, the bottom surfaces of the A part and the B part are preferably on the same plane, and the top surfaces of the A part and the B part are also on the same plane; as shown in Figure 1 and Figure 2, the A part and the The part B is preferably a quadrangular prism with exactly the same shape. On this basis, the volumes of the part A and the part B can be the same or different, which is not particularly limited in this application.

For the convenience of observation or feeding, the parallel longitudinal sections opposite to each other in part A are trapezoidal, the parallel planes opposite to each other in part B are trapezoidal, and part A and part B pass through a trapezoidal plane. Through, that is, the part A and the part B are connected to each other. The trapezoidal plane may be a right-angled trapezoidal plane or an isosceles trapezoidal plane, which is not particularly limited in this application. In an embodiment, the trapezoidal plane is a right-angled trapezoidal plane.

In the present application, a tail gas discharge port is provided on a plane of the sealing device to facilitate the discharge of waste gas generated during smelting and electrolysis. As shown in Figure 2, the exhaust gas discharge port is a triangular prism protruding from the airtight device, and the triangular prism and the airtight device are connected through a square plane of the triangular prism, and a quadrilateral plane of the triangular prism is connected to the airtight device. The top surface of the sealing device is arranged in parallel. The top of the exhaust outlet is provided with a movable cover, which can be opened and closed as required.

In order to facilitate feeding, a feeding port is also arranged on a plane of the sealing device. Further, in order to facilitate the observation of the feeding amount, the feeding port is arranged on the slope of the sealing device, and is arranged on the lower part of the slope. A movable cover is provided on the top of the feeding port, and the cover can be opened and closed as required.

In the present utility model, a ventilation pipe is provided on one surface of the airtight device, which is used for introducing protective gas into the airtight device, isolating air and reducing metal oxidation. In order to facilitate the introduction of protective gas into the airtight device, the ventilation pipe protrudes from one surface of the airtight device.

In the present application, the exhaust gas exhaust port and the exhaust port may be arranged on any plane of the sealing device, which is not particularly limited in the present application. In the airtight device shown in FIG. 1 , the exhaust gas discharge port and the exhaust pipe are respectively arranged on a plane of the A part and the B part.

The top surface of the airtight device described in this application is provided with an observation hole to observe the specific conditions in the airtight device; the observation hole is also an installation hole for an automatic stirring device or an electrode material. An automatic stirring device can also be installed in the observation hole, which is used for stirring during the alloy smelting process to make the alloy homogeneous; the observation hole can also be used as a mounting hole for the electrode material, used in the molten salt electrolysis process, to ensure that the electrolysis process went smoothly. In this case, the observation hole is arranged at the junction of the A part and the B part.

The sealing device of the present application can be used as a sealing device of a metal smelting furnace, and can also be used as a sealing device of a molten salt electrolytic furnace. The operating temperature of the above two electric furnaces is about 1000 ° C. Therefore, the sealing device described in the application is provided with The inner lining is heat insulation cotton.

In order to further understand the utility model, the airtight device for alloy smelting provided by the utility model will be described in detail below in conjunction with the examples, and the protection scope of the utility model is not limited by the following examples.

Example 1

An airtight device comprising part A and part B, where part A and part B are quadrangular prisms with the same height, and the two parallel planes in part A are right-angled trapezoids, and the two parallel planes in part B are right-angled trapezoids , a trapezoidal surface in part A is in contact with a trapezoidal surface in part B, and part A and part B are connected through the trapezoidal surface to form a whole quadrangular prism; the right-angled plane of part A of the airtight device is protrudingly provided with a shape of The tail gas discharge port of the triangular prism, the top surface of the tail gas discharge port is parallel to the top surface of the airtight device; the bottom of the inclined surface of part A of the airtight device is provided with a feeding port; Trachea: An observation hole is provided on the top surface at the junction of part A and part B of the airtight device. The top view of the sealing device of this embodiment is shown in FIG. 1 , and the side view is shown in FIG. 2 .

Example 2

In the metal smelting process, use the airtight device as embodiment 1, this airtight device is used as the airtight device for rare earth magnesium master alloy smelting, wherein, the movable cover plate of tail gas discharge port 1 and charging port 4 is closed, when metal begins to melt, The protective gas is introduced from the ventilation pipe 3 to isolate the air and reduce metal oxidation; and an automatic stirring device is installed from the observation hole 2 to stir the molten metal to make it homogeneous. Using this device can avoid metal oxidation, improve product quality, reduce smoke and dust emissions, and improve the working environment.

Example 3

In the molten salt electrolysis process, use the airtight device as embodiment 1, this airtight device is used as the airtight device for molten salt electrolysis, wherein, the movable cover plate of tail gas discharge port 1 is opened, and is connected with environmental protection dedusting equipment, makes electrolysis produce The tail gas is discharged after environmental protection treatment; 2 is used as the installation hole of the electrolysis electrode to make the electrolysis process go smoothly; according to the needs of use, the vent pipe 3 can be fed with protective gas to reduce metal oxidation; the feeding port 4 is closed with a movable cover. Only open when adding ingredients. Using this device can avoid metal oxidation, improve product quality, reduce smoke and dust emissions, and improve the working environment.

The descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An airtight device, comprising part A and part B, both of which are quadrangular prisms, the longitudinal sections of said part A and said part B being parallel to each other are trapezoidal, said part A and part B are trapezoidal The part B is connected through one of the trapezoidal planes; one plane of the airtight device is provided with an exhaust outlet, one plane of the airtight device is provided with a vent pipe, and the top surface of the airtight device is provided with an observation hole , a feeding port is arranged on a plane of the sealing device. 2 . The sealing device according to claim 1 , wherein the plane provided with the feeding port is an inclined plane, and the feeding port is arranged at the lower part of the inclined plane. 3 . 3. The airtight device according to claim 1, wherein the shape of the exhaust gas discharge port is a triangular prism, and the triangular prism and the airtight device are connected through a quadrangular plane of the triangular prism, and the shape of the triangular prism is A quadrilateral plane is arranged parallel to the top surface of the closure. 4. The airtight device according to claim 1, characterized in that an automatic stirring device is installed in the observation hole. 5. The airtight device according to claim 1, characterized in that, the observation hole is arranged at the junction of part A and part B. 6. The airtight device according to claim 1, characterized in that a movable cover is provided on the top of the exhaust gas discharge port. 7. The sealing device according to claim 1, characterized in that, a movable cover is provided on the top of the feeding port. 8. The sealing device according to claim 1, characterized in that, the sealing device is provided with a lining, and the lining is heat insulation cotton.