CN214830444U

CN214830444U - Furnace top charging bucket unloader

Info

Publication number: CN214830444U
Application number: CN202121569696.1U
Authority: CN
Inventors: 张少华; 张博; 全如意; 姜海; 袁弘; 贾建山; 邹友光
Original assignee: Angang Group Xinyang Iron And Steel Co ltd
Current assignee: Angang Group Xinyang Iron And Steel Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-11-23
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to a steelmaking equipment field especially relates to a furnace roof material jar unloader, cylindrical material jar including vertical extension, the material jar lower extreme is provided with the discharging pipe that runs through in the blast furnace, be provided with seal valve down on the discharging pipe, the material jar upper end is provided with the inlet pipe, be provided with the seal valve on the inlet pipe, the material jar upper end is provided with equalizer tube and blow-off pipe, be provided with the equalizer valve on the equalizer tube, the equalizer tube outside is provided with filter mechanism, be provided with the blow-off valve on the blow-off pipe, the material jar up end is provided with actuating mechanism, actuating mechanism's the vertical bracing piece that just horizontally connect in extending to the material jar, the equal vertical flitch of scraping with the contact of material jar inner wall that is provided with in the both ends of bracing piece. The utility model has the advantage of thorough blanking.

Description

Furnace top charging bucket unloader

Technical Field

The utility model relates to a steelmaking equipment field especially relates to a furnace top material jar unloader.

Background

The furnace top charging bucket is a mechanism for feeding the steelmaking blast furnace and is positioned at the upper end of the blast furnace; after each batch of ore (coke) is loaded into the top tank, closing the upper sealing valve and the relief valve, and opening the lower sealing valve when the pressure equalizing valve is opened to press the charging tank to be equal to the pressure in the furnace; the material is placed in a furnace. After the materials are emptied, the lower sealing valve is closed, the upper sealing valve is opened to completely exhaust the pressure in the tank after the blow-off valve is opened, and the materials are recharged, so that the existing charging tank is easy to discharge incompletely, and the materials remained in the charging tank are sprayed out of the charging tank through the blow-off valve to cause environmental pollution and raw material waste, so that the development of the furnace top charging tank discharging device with thorough discharging is particularly necessary.

Disclosure of Invention

An object of the utility model is to provide a furnace roof material jar unloader has the thorough advantage of unloading.

The technical scheme is as follows:

the utility model provides a furnace top material jar unloader, the setting is at the blast furnace top, cylindrical material jar including vertical extension, the material jar lower extreme is provided with the discharging pipe that runs through in the blast furnace, be provided with the lower seal valve on the discharging pipe, the material jar upper end is provided with the inlet pipe, be provided with the upper seal valve on the inlet pipe, the material jar upper end is provided with equalizer tube and blow-off pipe, be provided with the equalizer valve on the equalizer tube, the equalizer tube outside is provided with filter equipment, be provided with the blow-off valve on the blow-off pipe, the material jar up end is provided with actuating mechanism, actuating mechanism's power output shaft vertical extension is to in the material jar and horizontally connected's bracing piece, the equal vertical flitch of scraping with the contact of material jar inner wall that is provided with in the both ends of bracing piece.

Preferably, the lower sealing valve and the upper sealing valve are both gate valves.

Preferably, the filtering mechanism include with the rose box of equalizer tube intercommunication, the rose box lower part is big-end-up's toper, the rose box lower extreme is provided with the blow off pipe, the rose box is interior to incline to be provided with the filter screen, the rose box intussuseption in the filter screen outside is filled with air cleaner, air outlet window has been seted up on the rose box in the air cleaner outside.

Preferably, the bleeding valve and the pressure equalizing valve are both electric butterfly valves.

Preferably, the lower part of the charging bucket is in a conical shape with a large top and a small bottom.

Preferably, the driving mechanism comprises a motor and a reducer.

Compared with the prior art, the beneficial effects are that:

1. when the utility model needs to carry out blanking, the pressure equalizing valve is opened to punch the charging bucket until the pressure in the charging bucket is equal to the pressure in the charging bucket, and the lower sealing valve is opened; put the material in the stove down, treat after the blowing is accomplished, start actuating mechanism, thereby actuating mechanism drive bracing piece rotates the drive and scrapes the flitch and clean the material jar inner wall, scrapes the material of adhesion on material jar inner wall down, makes the unloading more thorough.

2. The utility model discloses filtering mechanism filters the gas through the equalizer tube combustion gas and avoids the material to spray in the air on every side.

Drawings

FIG. 1 is a schematic structural view of a furnace top charging bucket blanking device of the present invention,

fig. 2 is a schematic diagram of the structure at a in fig. 1.

In the figure: 1. the device comprises a material tank, 2, a material outlet pipe, 3, a lower sealing valve, 4, a material inlet pipe, 5, an upper sealing valve, 6, a pressure equalizing pipe, 7, a bleeding pipe, 8, a bleeding valve, 9, a pressure equalizing valve, 11, a filter screen, 12, an air filter element, 13, a driving mechanism, 14, a support rod, 15, a scraping plate, 16 and a filter box.

Detailed Description

The present invention will be further described with reference to the following embodiments, as shown in fig. 1 to 2: a furnace top charging bucket unloader is arranged at the top end of a blast furnace and comprises a cylindrical charging bucket 1 which extends vertically, the lower part of the charging bucket 1 is in a conical shape with a big top and a small bottom, the lower end of the charging bucket 1 is in a conical shape and is convenient for material gathering, the lower end of the charging bucket 1 is provided with a discharging pipe 2 which penetrates into the blast furnace, a lower sealing valve 3 is arranged on the discharging pipe 2, the upper end of the charging bucket 1 is provided with a feeding pipe 4, an upper sealing valve 5 is arranged on the feeding pipe 4, the lower sealing valve 3 and the upper sealing valve 5 are gate valves, and the gate valves are not repeated for the prior art;

the upper end of the charging bucket 1 is provided with a pressure equalizing pipe 6 and a blow-off pipe 7, the pressure equalizing pipe 6 is provided with a pressure equalizing valve 9, the outer side of the pressure equalizing pipe 6 is provided with a filtering mechanism, the blow-off pipe 7 is provided with a blow-off valve 8, the blow-off valve 8 and the pressure equalizing valve 9 are both electric butterfly valves, the filtering mechanism comprises a filtering box 16 communicated with the pressure equalizing pipe 6, the lower part of the filtering box 16 is in a shape of a cone with a large upper part and a small lower part, the lower end of the filtering box 16 is provided with a blow-off pipe, a filtering net 11 is obliquely arranged in the filtering box 16, the filtering box 16 outside the filtering net 11 is filled with an air filter element 12, the filtering box 16 outside the air filter element 12 is provided with an air outlet window, the filtering mechanism filters the gas discharged through the pressure equalizing pipe 6 to avoid the material from being sprayed in the surrounding air,

1 up end of material jar is provided with actuating mechanism 13, and actuating mechanism 13's the vertical bracing piece 14 that extends to in the material jar 1 and horizontally connect of power output shaft, the equal vertical flitch 15 of scraping that contacts with 1 inner wall of material jar that is provided with in both ends of bracing piece 14, actuating mechanism 13 include motor and reduction gear, thereby actuating mechanism 13 drive bracing piece 14 rotates the drive and scrapes flitch 15 and clean 1 inner wall of material jar, scrapes the material of adhesion on 1 inner wall of material jar down, makes the unloading more thorough.

The specific working process is as follows: when the charging bucket 1 is charged, closing the equalizing valve 9, the blow-off valve 8 and the lower sealing valve 3, opening the upper sealing valve 5, adding the material into the charging bucket 1 from the feeding pipe 4, closing the upper sealing valve 5, and when the discharging is needed, opening the equalizing valve 9 to pressurize the charging bucket 1 to be equal to the pressure in the charging bucket, and opening the lower sealing valve 3; the material is placed in the furnace, after the material is placed, the driving mechanism 13 is started, the driving mechanism 13 drives the supporting rod 14 to rotate, so that the material scraping plate 15 is driven to clean the inner wall of the material tank 1, the material adhered to the inner wall of the material tank 1 is scraped, the material is discharged more thoroughly, then the driving mechanism 13 is closed, the lower sealing valve 3 is closed, the bleeding valve 8 is opened, the pressure in the material tank 1 is discharged, and in the pressure discharging process, the filtering mechanism filters gas discharged through the pressure equalizing pipe 6 to avoid the material from being sprayed into the ambient air.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a furnace roof material jar unloader, sets up on the blast furnace top, its characterized in that: the cylindrical material jar including vertical extension, the material jar lower extreme is provided with the discharging pipe that runs through in the blast furnace, be provided with lower seal valve on the discharging pipe, the material jar upper end is provided with the inlet pipe, be provided with the seal valve on the inlet pipe, the material jar upper end is provided with equalizer tube and blow-off pipe, be provided with the equalizer valve on the equalizer tube, the equalizer tube outside is provided with filter mechanism, be provided with the blow-off valve on the blow-off pipe, the material jar up end is provided with actuating mechanism, actuating mechanism's the vertical bracing piece that just horizontally connects in extending to the material jar of power output shaft, the equal vertical flitch of scraping with the contact of material jar inner wall that is provided with in the both ends of bracing piece.

2. The furnace top bucket blanking device of claim 1, wherein: the lower sealing valve and the upper sealing valve are both gate valves.

3. The furnace top bucket blanking device of claim 1, wherein: the filtering mechanism comprises a filtering box communicated with the pressure equalizing pipe, the lower part of the filtering box is in a shape of a cone with a large upper part and a small lower part, the lower end of the filtering box is provided with a blow-off pipe, a filtering net is obliquely arranged in the filtering box, the filtering box outside the filtering net is filled with an air filter element, and the filtering box outside the air filter element is provided with an air outlet window.

4. The furnace top bucket blanking device of claim 1, wherein: the bleeding valve and the pressure equalizing valve are both electric butterfly valves.

5. The furnace top bucket blanking device of claim 1, wherein: the lower part of the charging bucket is in a conical shape with a large upper part and a small lower part.

6. The furnace top bucket blanking device of claim 1, wherein: the driving mechanism comprises a motor and a speed reducer.