CN217403179U - Improved structure of consumable electric arc furnace observation port - Google Patents

Abstract

The utility model discloses a consumable electric arc furnace viewing aperture improves structure belongs to consumable electric arc furnace viewing aperture technical field. It is including setting up the steel pipe on the consumable electric arc furnace viewing aperture, set gradually protection network, first glass board and second glass board in the steel pipe, the second glass board outside sets up the metal package circle, the metal package circle outside sets up a plurality of fixed lugs, steel pipe week side sets up a plurality of fasteners, the fastener with fixed lug mutually supports, will second glass board detachably is fixed in the steel pipe upper end. The utility model discloses a set up the steel pipe and increased the viewing aperture, made things convenient for the staff to observe the interior condition of smelting of stove, use manpower sparingly, through setting up protection network, first glass board, second glass board three layer construction, prevent that broken glass from falling into the stove in, lug and fastener cooperation moreover, second glass board installation, dismantlement convenience, the accessory of being convenient for washs, changes.

Description

Improved structure of consumable electric arc furnace observation port

Technical Field

The utility model relates to a consumable electric arc furnace viewing aperture technical field specifically is a consumable electric arc furnace viewing aperture improves structure.

Background

The titanium alloy casting process is one of the important processes for titanium alloy casting, wherein a vacuum consumable arc casting furnace is the main equipment. In the smelting process, the consumable electrode and the water-cooled crucible are respectively connected with the negative electrode and the positive electrode of a power supply, under a certain voltage, the thin gas between the consumable electrode and the water-cooled crucible is excited to release thermal electrons and generate electric arc between the two electrodes, then the consumable electrode is continuously melted into drops by the high-energy thermal electrons, finally the molten metal drops fall onto the surface of the chilling crucible to be solidified, a worker adjusts the melting speed of a titanium alloy ingot according to the control current and the voltage, adjusts the descending speed of the titanium alloy ingot at the same time, controls the distance between the consumable electrode and the water-cooled crucible, and prevents the electric arc from breaking or deviating. The progress of the melting of the titanium alloy ingot is not clear through the observation of a built-in camera, so another worker is usually required to assist the observation through an observation port on the casting furnace. Contain the volatile material under high temperature such as aluminium among the titanium alloy, can adhere to on the glass of camera lens and viewing aperture after the cooling, the sight of serious influence observation needs regularly clean, but built-in camera and viewing aperture are difficult to dismantle, and the clearance degree of difficulty is great, seriously influences the production progress. And the position of viewing aperture is too low, and the staff need bend over sometimes to observe the titanium ingot and smelt the condition, is unfavorable for the staff to observe for a long time, also causes staff's physical strain easily.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a to the not enough of prior art, the utility model provides a consumable electric arc furnace viewing aperture improves structure, on the one hand, through setting up the steel pipe, has increased the viewing aperture, is convenient for observe the condition of smelting, and on the other hand can dismantle through steel pipe and second glass board and be connected, the first glass board clearance of being convenient for, change.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is:

consumable electric arc furnace viewing aperture improves structure, including setting up the steel pipe on the consumable electric arc furnace viewing aperture, set gradually protection network, first glass board and second glass board in the steel pipe, the second glass board outside sets up the metal package circle, the metal package circle outside sets up a plurality of fixed lugs, steel pipe week side sets up a plurality of fasteners, the fastener with fixed lug mutually supports, will second glass board detachably is fixed in the steel pipe upper end.

Further, the steel pipe is welded on the consumable electrode arc furnace observation port in an inclined mode.

Further, a sealing rubber ring is arranged between the first glass plate and the second glass plate.

Furthermore, the steel pipe inboard is equipped with the ladder groove, the protection network and first glass board all place in the ladder inslot.

Further, the first glass plate is ordinary silicate glass, and the second glass plate is quartz glass.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses consumable electric arc furnace viewing aperture improves the structure, through installing the steel pipe additional on consumable electric arc furnace viewing aperture, makes the viewing aperture height rise, is convenient for the staff direct observation stove interior titanium ingot condition of smelting, uses manpower sparingly; the steel pipe is internally and sequentially provided with a protective net, a first glass plate and a second glass plate, the first glass plate is used as a consumable, after being used for a period of time, an observation port needs to be opened to replace the polluted first glass plate, the second glass plate mainly has the function of sealing the observation port, and the protective net is used for preventing the first glass plate from being broken and falling into the furnace; be equipped with fixed lug on the second glass board outside metal package circle, mutually support with the fastener on the steel pipe, change and installation viewing aperture accessory that can be quick through the metal package circle of rotatory second glass board.

In addition, the steel pipe is obliquely welded on the observation port of the consumable electric arc furnace, and the melting position of the titanium ingot can be seen through the observation port, so that the observation convenience is improved; a sealing rubber ring is arranged between the first glass plate and the second glass plate, and the sealing rubber ring supports the first glass plate when the casting furnace is vacuumized, so that the sealing property of the observation port can be improved; a stepped groove is formed in the inner side of the steel pipe and used for bearing the protective net and the first glass plate; the first glass plate is made of ordinary silicate glass and is low in cost, the second glass plate is made of quartz glass and is good in light transmission, convenient to observe and long in service life.

Drawings

FIG. 1 is a schematic view of a prior art consumable electrode furnace viewport;

fig. 2 is a front view of an embodiment of the invention;

fig. 3 is a partial cross-sectional view of an embodiment of the invention.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in FIG. 1, current consumable electric arc furnace viewing aperture is located furnace body top surface 1, and the viewing aperture is fixed with glass board 2, and the staff need bend over to go to observe the titanium ingot condition of smelting, is unfavorable for the staff to observe for a long time, also causes staff's physical strain easily, and moreover, the glass board is contaminated to be changed inconveniently, and the glass board does not have broken protection, for this reason, the utility model provides a consumable electric arc furnace viewing aperture improves structure.

As shown in fig. 2 to 3, an original glass plate cover on an observation port of the consumable vacuum arc furnace is removed, a steel pipe 3 is welded on the observation port, a protective net 4, a first glass plate 5 and a second glass plate are sequentially arranged in the steel pipe 3, a metal wrapping ring 6 is arranged on the outer side of the second glass plate, four fixing lugs 7 are arranged on the outer side of the metal wrapping ring 6, four fasteners 8 are arranged on the periphery of the steel pipe 3, the fasteners 8 are matched with the fixing lugs 7, the second glass plate is detachably fixed at the upper end of the steel pipe 3, the four fixing lugs 7 are respectively clamped in the four fasteners 8 by rotating the metal wrapping ring 6 and the second glass plate to form a fixing structure, and only the fixing lugs 7 need to be rotated again to be separated from the fasteners 8 during dismounting.

Fixed lug 7 on the metal package 6 mutually supports with fastener 8 on the steel pipe 3, when the casting furnace evacuation process, because inside and outside pressure differential, the lid that metal package circle and second glass board are constituteed tightly seals the position of viewing aperture, and when the casting was accomplished, inside and outside pressure differential is unanimous, dismantlement that can relax, washing, change accessory (camera, first glass board).

The steel pipe 3 is obliquely welded on the observation port of the consumable electric arc furnace, and the melting position of the titanium ingot can be seen through the observation port.

A sealing rubber ring 9 is arranged between the first glass plate 5 and the protective net 4 to protect the first glass plate, so that the protective net is prevented from being directly contacted with the first glass plate when vacuum pumping is carried out, and the first glass plate is prevented from being damaged; and a sealing rubber ring 9 is arranged between the first glass plate 5 and the second glass plate to play a role of sealing the observation port.

The steel pipe 3 inboard is equipped with the ladder groove 10, protection network 4 and first glass board 5 all place in the ladder groove 10.

The first glass plate 5 is made of ordinary silicate glass and is low in cost as a consumable, and the second glass plate is made of quartz glass and is good in heat resistance and light transmission, convenient to observe and long in service life.

The protection network 4 is the network structure that many horizontal poles and many montants are connected, and the size of mesh is 2cm, not only can prevent that the glass piece from falling into the furnace body, does not influence the observation moreover.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.

Claims (5)

1. Consumable electric arc furnace observation hole improves structure, its characterized in that: including setting up the steel pipe on consumable electric arc furnace viewing aperture, set gradually protection network, first glass board and second glass board in the steel pipe, the second glass board outside sets up the metal package circle, the metal package circle outside sets up a plurality of fixed lugs, steel pipe week side sets up a plurality of fasteners, the fastener with fixed lug mutually supports, will second glass board detachably is fixed in the steel pipe upper end.

2. The consumable electric arc furnace viewport improvement structure of claim 1, wherein: the steel pipe is welded on the consumable electric arc furnace observation port in an inclined mode.

3. The consumable electric arc furnace viewport improvement structure of claim 1, wherein: and a sealing rubber ring is arranged between the first glass plate and the second glass plate.

4. The consumable electric arc furnace viewport improvement structure of claim 1, wherein: the steel pipe inboard is equipped with the ladder groove, protection network and first glass board all place in the ladder inslot.

5. The consumable electric arc furnace viewport improvement structure of claim 1, wherein: the first glass plate is made of ordinary silicate glass, and the second glass plate is made of quartz glass.

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