CN210543578U

CN210543578U - Steel manufacturing molten steel filtering device

Info

Publication number: CN210543578U
Application number: CN201921376150.7U
Authority: CN
Inventors: 唐凤军; 莫敦; 张涛; 邓吉宁
Original assignee: Jiangyou Changxiang Special Steel Manufacturing Co ltd
Current assignee: Jiangyou Changxiang Special Steel Manufacturing Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-19
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a steel manufacturing molten steel filtering device, which comprises a main body, an upper cover, a first filter screen and a discharge port, wherein the main body is in a U-shaped upper end open cavity structure, a heat insulation layer is arranged between the surface of the main body and the inner wall, heat insulation material is filled in the heat insulation layer, an opening and closing device is arranged at the upper opening part of the main body, the opening and closing device is connected with the upper cover, when the upper cover is closed, the upper cover forms a seal with the upper surface of a filter screen bracket, the filter screen bracket is in a hollow cylindrical shape, the first filter screen and the second filter screen are fixed on the filter screen bracket through a detachable device, a driving gear is fixedly connected with a motor, the motor is provided with a control panel, the motor is fixed on the main body, the lower part of the main body is, or the filter screen is replaced, so that the molten steel filtering efficiency is improved.

Description

Steel manufacturing molten steel filtering device

Technical Field

The utility model belongs to the technical field of the iron and steel is made, concretely relates to molten steel filter equipment is made to steel.

Background

In recent years, with the increased challenges in the market competition of the steel industry, the quality of steel materials is continuously improved in the market demand, so that various production technologies for improving the quality of steel products are generated, and meanwhile, a technology for removing molten steel inclusions by using a ceramic material filter is also generated, pure steel is steel containing non-metallic inclusions and few gases, but harmful impurities in the pure steel can not be further removed at present, a filtering device is mainly applied to casting, a through hole type ceramic filter is used, the material is most suitable for calcium oxide, the porous filter can remove fine impurities, has obvious effect on removing the inclusions in the steel, even can remove part of the inclusion molten steel smaller than 5 mu m, and considerable attention is paid to filtering at present, however, due to the high temperature and high density of the molten steel, the meshes of the filtering net are easy to be blocked by impurities after the filtering net is used for a period of time, the filtering speed is low, the filtering quality is influenced, and the device which can conveniently and safely replace the filter screen is very important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel manufacturing molten steel filter equipment to impurity blocks up the filtration pore in solving the molten steel filtration process, needs the clearance and changes the filter screen, improves the problem of filterable speed and quality.

In order to achieve the above object, the utility model provides a following technical scheme: a steel manufacturing molten steel filtering device comprises a main body, an upper cover, a first filter screen and a discharge port, wherein the main body is of a U-shaped upper end opening cavity structure, a heat insulation layer is arranged between the surface and the inner wall of the main body, heat insulation materials are filled in the heat insulation layer, an opening and closing device is arranged at the upper opening of the main body, the opening and closing device is connected with the upper cover, when the upper cover is closed, the upper cover forms a seal with the upper surface of a filter screen support, the filter screen support is of a hollow cylindrical shape, is attached to the inner wall of the main body and can slide up and down, a second filter screen is arranged on the lower surface of the filter screen support, the first filter screen is arranged between the second filter screen and the upper surface, the first filter screen and the second filter screen are fixed on the filter screen support through a detachable device, the upper part, the gear rack is meshed with a matched driving gear, the driving gear is fixedly connected with a motor, a control panel is arranged on the motor, the motor is fixed on the main body, a base is arranged on the lower portion of the main body, and a discharge hole is formed in the bottom of the main body.

Preferably, the control panel is HK-ZF220R, and controls the motor to rotate forwards and backwards, so that the filter screen bracket can be driven to ascend and descend.

Preferably, the motor is a horizontal low-speed motor, has a fixed rotating speed and a low rotating speed, is electrically connected to the control panel, and ensures stability in the ascending and descending processes.

Preferably, the number of the bases is at least two, and the bases are made of high-temperature-resistant steel materials, so that the filtering device is firm.

Preferably, the mesh size of first filter screen is greater than second filter screen mesh size, second filter screen mesh size is 1.5mm, and the filter screen of big mesh filters big impurity earlier, and rethread second filter screen filters little impurity, and high silica glass fiber multistrand is woven and is made, can effectively get rid of non-metallic impurity such as clamp sediment, slag, molding sand, reduces the turbulent flow simultaneously, eliminates the foundry goods gas pocket, improves filterable speed and efficiency.

The utility model discloses a technological effect and advantage: this molten steel filter equipment, through setting up two-layer filter screen, first filter screen mesh is greater than the mesh of second filter screen, filters big impurity earlier, filters the tiny point impurity again, has improved filter speed and purity degree to drive through the motor makes the filter screen rise to the opening surface from the bottom, conveniently clears up the impurity of filter screen, perhaps changes the filter screen, improves molten steel filtration efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the filter net support structure of the present invention;

in the figure: 1-main part, 2-base, 3-thermal insulation layer, 4-second filter screen, 5-opening and closing device, 6-upper cover, 7-first filter screen, 8-gear bar, 9-motor, 10-control panel, 11-driving gear, 12-discharge port, and 13-filter screen bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a filter screen which comprises a main body 1, an upper cover 6, a first filter screen 7 and a discharge port 12, wherein the main body 1 is in a U-shaped upper end open cavity structure, a heat insulation layer 3 is arranged between the surface and the inner wall of the main body 1, the heat insulation material is filled in the heat insulation layer 3, an opening and closing device 5 is arranged at the upper opening of the main body 1, the opening and closing device 5 is connected with the upper cover 6, when the upper cover 6 is closed, the upper cover forms a seal with the upper surface of a filter screen bracket 13, the filter screen bracket 13 is in a hollow cylindrical shape, is attached to the inner wall of the main body 1 and can slide up and down, the lower surface of the filter screen bracket 13 is provided with a second filter screen 4, the first filter screen 7 is arranged between the second filter screen 4 and the upper surface, and the first filter screen 7 and the, the upper part of the filter screen support 13 is connected with a gear rack 8, the gear rack 8 is attached to the inside of a sliding groove on the outer surface of the main body 1, the gear rack 8 is meshed with a driving gear 11 matched with the gear rack, the driving gear 11 is fixedly connected with a motor 9, a control panel 10 is arranged on the motor 9, the motor 9 is fixed on the main body 1, a base 2 is arranged on the lower part of the main body 1, a discharge hole 12 is arranged at the bottom of the main body 1, the type of the control panel 10 is HK-ZF220R, the motor 9 is controlled to rotate forwards and backwards specifically, a controller board in the embodiment has a remote control function, the motor 9 is a horizontal low-speed motor, the rotating speed is fixed and low, the controller board is electrically connected with the control panel 10, the number of the bases (2) is four, the material is high-temperature resistant steel, and the mesh size of the first filter screen 7 is larger than that of the second filter, the mesh size of the second filter 4 is 1.5mm by 1.5mm, 2.0mm by 2.0mm,2.5mm by 2.5mm may be used.

The working principle is as follows: this steel manufacturing molten steel filter equipment, through the fixed main part 1 of base 2 before the use, through device 5 that opens and shuts, open upper cover 6, pour into the molten steel, the molten steel filters big slag and other impurity through first filter screen 7, reentrant second filter screen 4 filters little impurity, it discharges from discharge gate 12 to obtain pure molten steel, after the use, the mesh can be blockked up to impurity in the filter screen, staff's switch on, through control panel 10, let motor 9 carry out corotation, motor 9 makes drive gear 11 drive gear strip 8 and rises, filter screen support 13 rises along with gear strip 8, when rising to the surface, the staff carries out the impurity clearance or the change of filter screen.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a molten steel filter equipment is made to steel, includes main part (1), upper cover (6), first filter screen (7) and discharge gate (12), its characterized in that: the main body (1) is of a U-shaped upper end opening cavity structure, a heat insulation layer (3) is arranged between the surface of the main body (1) and the inner wall, heat insulation materials are filled in the heat insulation layer (3), an opening and closing device (5) is arranged at an upper opening of the main body (1), the opening and closing device (5) is connected with an upper cover (6), the upper cover (6) is sealed with the upper surface of a filter screen support (13) when closed, the filter screen support (13) is in a hollow cylindrical shape, is attached to the inner wall of the main body (1) and can slide up and down, a second filter screen (4) is arranged on the lower surface of the filter screen support (13), a first filter screen (7) is arranged between the second filter screen (4) and the upper surface, and the first filter screen (7) and the second filter screen (4) are fixed on the filter screen support (, filter screen support (13) upper portion is connected in rack (8), rack (8) depend on in the spout of main part (1) surface, rack (8) and matched with drive gear (11) meshing, drive gear (11) fixed connection motor (9), be equipped with control panel (10) on motor (9), motor (9) are fixed in on main part (1), main part (1) lower part is equipped with base (2), main part (1) bottom is equipped with discharge gate (12).

2. The steel manufacturing molten steel filtering device according to claim 1, characterized in that: the control panel (10) is HK-ZF220R in model number and controls the motor (9) to rotate forwards and backwards.

3. The steel manufacturing molten steel filtering device according to claim 2, characterized in that: the motor (9) is a horizontal low-speed motor, is fixed in rotating speed and low in rotating speed, and is electrically connected to the control panel (10).

4. The steel manufacturing molten steel filtering device according to claim 1, characterized in that: the number of the bases (2) is at least two, and the base is made of high-temperature-resistant steel.

5. The steel manufacturing molten steel filtering device according to claim 1, characterized in that: the mesh size of the first filter (7) is larger than that of the second filter (4), and the mesh size of the second filter (4) is 1.5MM by 1.5 MM.