CN210980811U - Turnover type furnace door - Google Patents

Abstract

The utility model discloses a convertible furnace gate, including installing the furnace gate frame at the furnace thorax mouth, the furnace gate door body is installed to the furnace gate frame, seals the opening of furnace gate frame when the furnace gate body is closed, and wherein, downside is equipped with fore-set and lower fore-set respectively on the door body axial direction in the furnace gate, and the axial direction of furnace gate frame is equipped with the shaft hole that matches with fore-set and lower fore-set, makes the furnace gate body can follow its central axis and rotate, and the fore-set passes the furnace gate frame and extends the formation handle outside the furnace gate frame down. The turnover furnace door of the utility model adopts a coupling design, has simple structure, is not easy to damage and has longer service life; the furnace door can be conveniently observed only by slightly rotating, so that the condition in the furnace can be prevented from burning an observer due to the fact that the furnace door is opened too much, and the furnace door has the effect of safe operation.

Description

Turnover type furnace door

Technical Field

The utility model relates to a fire burning furnace equipment technical field, especially relate to a convertible furnace gate.

Background

The combustion furnace and the electric arc combustion furnace are also called carbon-sulfur combustion furnace, and are called electric arc furnace for short, and the electric arc furnace is a device which uses a high-voltage and high-frequency oscillation circuit to form instantaneous heavy current to ignite a sample and enable the sample to be rapidly combusted under the oxygen-enriched condition. The furnace is most suitable for burning steel samples, and can also burn other samples (such as hematite, ferrosilicon, ferromanganese, slag, coke, ore, coal, glass, rubber and the like) under the condition of adding certain additives.

When the combustion furnace is in positive pressure combustion, if the furnace door is opened too much, the smoke in the furnace is easy to be sprayed out to cause personnel burn accidents. Most of the existing furnace doors for combustion furnaces are cast furnace doors, and the structure of the existing furnace doors is shown in figure 1 and is used for observing the combustion condition in the furnace. The hinge is arranged on one side of the furnace door, the handle is arranged on the other side of the furnace door, the furnace door with the structure is easy to scald operators due to high temperature of the handle caused by heat conduction of the furnace door under the condition of continuous combustion of the furnace, and in addition, the hinge of the furnace door is easy to damage in a high-temperature environment, thereby bringing potential safety hazards to the operation.

Therefore, those skilled in the art have been devoted to developing a roll-over type oven door, which improves the safety of operation by a structure different from the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that current furnace gate structure is fragile at high temperature environment user and brings the problem of high temperature injury hidden danger for the operator.

In order to achieve the above object, the utility model provides a convertible furnace gate, including installing the furnace gate frame at the furnace mouth, the installation furnace gate door body on the furnace gate frame, the opening of furnace gate frame is sealed when the furnace gate body closes, wherein, downside is equipped with upper shaft post and lower shaft post respectively on the furnace gate door body axis direction, and the axis direction of furnace gate frame is equipped with the shaft hole that matches with upper shaft post and lower shaft post, makes the furnace gate body can rotate along its central axis, and the lower shaft post passes the furnace gate frame and extends outside the furnace gate frame and form the handle.

Furthermore, a bearing is arranged in a shaft hole of the furnace door frame, and the upper shaft column and the lower shaft column are installed on the furnace door frame through the bearing.

In one embodiment of the present invention, the upper and lower shaft columns are integrally formed with the door body.

In another embodiment of the present invention, a shaft rod is disposed through the door body, the shaft rod is connected to the door body, and the upper shaft column and the lower shaft column are respectively disposed at the upper and lower ends of the shaft rod.

Further, the handle is bent at one end far away from the oven door body to form a holding part.

Furthermore, the length direction of the holding part is perpendicular to the direction of the middle axis.

Preferably, the grip portion is coated with a heat insulating material.

Furthermore, the outer side of the furnace door body is covered with heat insulation materials.

In one embodiment of the present invention, the door frame and the door body are both square.

The utility model discloses a convertible furnace gate has following technical characterstic:

(1) the structure is simple, and the integral structure is adopted, so that the damage is not easy to damage;

(2) the operation is safe, the furnace door can be conveniently observed only by slightly rotating, and the condition that the flame in the furnace is blown out to burn an observer due to the overlarge opening of the furnace door is prevented.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a general structural schematic view of a prior art oven door.

Fig. 2 is a schematic structural view of the turnover oven door of the present invention.

Fig. 3 is a schematic structural view of another embodiment of the turnover oven door of the present invention.

In the figure, 1 furnace door frame, 2 furnace door body, 3 upper shaft column, 4 lower shaft column, 5 shaft hole, 6 bearing, 7 handle, 8 holding part and 9 shaft lever.

Detailed Description

Fig. 2 shows a turnover type furnace door disclosed by the present invention, which comprises a furnace door frame 1 installed at the furnace mouth, and a furnace door body 2 installed on the furnace door frame 1. The furnace door frame 1 and the furnace door body 2 are matched in size, so that the opening of the furnace door frame 1 is closed when the furnace door body 2 is closed, and the furnace chamber opening is closed. The oven door frame 1 and the oven door body 2 can be designed into different shapes according to the use requirement, such as a square shape in fig. 2, and can also be in other shapes.

The upper side and the lower side of the furnace door body 2 in the middle shaft direction are respectively provided with an upper shaft column 3 and a lower shaft column 4, the middle shaft direction of the furnace door frame 1 is provided with a shaft hole 5 matched with the upper shaft column 3 and the lower shaft column 4, the shaft hole 5 of the furnace door frame 1 is provided with a bearing 6, and the upper shaft column and the lower shaft column are arranged on the furnace door frame 1 through the bearing 6, so that the furnace door body 2 can rotate along the middle shaft thereof.

Different from the prior art that the rotating shaft is arranged on one side of the furnace door body, the rotating shaft is arranged in the middle, and the combustion condition in the furnace can be seen from the slits on the two sides simultaneously only by slightly rotating, so that convenience in operation is provided for observers.

The utility model discloses an in the convertible furnace gate, lower jack-post 4 passes furnace gate frame 1 and extends formation handle 7 in furnace gate frame 1, and handle 7 is crooked and form the portion of gripping 8 in the one end of keeping away from the furnace gate door body 2, and preferably, the length direction of the portion of gripping 8 is perpendicular with the axis direction, makes the rotation plane of the portion of gripping 8 perpendicular with the axis, and it is more convenient to operate the application of force like this.

In addition, in order to avoid the heat transfer in the hearth from generating external high temperature, the holding part 8 is coated with heat insulation materials, and the outer side of the furnace door body 2 is also coated with heat insulation materials. The heat insulating material is a porous material or a heat reflecting material insulator, wherein the porous material comprises a foam material or a fiber material insulator, and the heat reflecting material insulator comprises an aluminum foil polyester or aluminum foil polyimide film insulator, or a metal-plated polyester film or metal-plated polyimide film insulator.

In an embodiment of the utility model, the upper and lower shaft columns and the furnace door body 2 are formed by integral forming, and the integral structure is not easy to damage.

In another embodiment of the present invention, as shown in fig. 3, a shaft rod 9 penetrates through the door body 2, the shaft rod 9 is connected to the door body 2, and the upper shaft column 3 and the lower shaft column 4 are respectively located at the upper end and the lower end of the shaft rod 9. In order to prevent the shaft lever 9 from rotating relative to the oven door body 2, the shaft lever 9 is configured into a polygonal column shape, such as a square column shape, and is engaged with a through hole in the oven door body 2, and in addition, inner holes of the bearings 6 in the oven door frame 1 are matched with the outer surfaces of the upper shaft column and the lower shaft column so as to prevent the occurrence of seizure or idling.

The turnover furnace door of the utility model adopts a coupling design, has simple structure, is not easy to damage and has longer service life; the furnace door can be conveniently observed only by slightly rotating, so that the condition in the furnace can be prevented from burning an observer due to the fact that the furnace door is opened too much, and the furnace door has the effect of safe operation.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (8)

1. A turnover type furnace door comprises a furnace door frame arranged at a furnace hearth opening, wherein a furnace door body is arranged on the furnace door frame, and the furnace door frame is closed when the furnace door body is closed; the shaft hole of the furnace door frame is provided with a bearing, and the upper and lower shaft columns are arranged on the furnace door frame through the bearing.

2. The turnover type oven door of claim 1, wherein the upper and lower shaft columns are integrally formed with the door body.

3. The turnover type oven door of claim 1, wherein a shaft lever penetrates through the door body, the shaft lever is connected with the door body, and the upper shaft column and the lower shaft column are respectively positioned at the upper end part and the lower end part of the shaft lever.

4. The turnover oven door of claim 1, wherein the handle is bent at an end remote from the door body to form a grip.

5. The turnover oven door of claim 4, wherein the length direction of the grip portion is perpendicular to the central axis direction.

6. The turnover oven door of claim 4, wherein the grip portion is coated with a heat insulating material.

7. The turnover type oven door of claim 1, wherein the outside of the door body is covered with a heat insulating material.

8. The turnover oven door of claim 1, wherein the door frame and the door body are square.

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