CN111617869A - Metallurgical furnace charge screening plant - Google Patents
Metallurgical furnace charge screening plant Download PDFInfo
- Publication number
- CN111617869A CN111617869A CN202010516185.7A CN202010516185A CN111617869A CN 111617869 A CN111617869 A CN 111617869A CN 202010516185 A CN202010516185 A CN 202010516185A CN 111617869 A CN111617869 A CN 111617869A
- Authority
- CN
- China
- Prior art keywords
- crushing bin
- vibrating screen
- conical crushing
- conveyer belt
- metallurgical furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a metallurgical furnace charge screening device which comprises a furnace charge crusher, a conical crushing bin, a feeding conveyer belt and a discharging conveyer belt, wherein the furnace charge crusher is arranged in the middle of the conical crushing bin, the feeding conveyer belt is connected with an inlet at the upper end of the conical crushing bin, the discharging conveyer belt is connected with an outlet at the lower end of the conical crushing bin, a drawer type vibrating screen is arranged in the conical crushing bin, and the drawer type vibrating screen is arranged at the lower part of the furnace charge crusher. According to the invention, the metallurgical furnace burden is crushed and screened before being added into the metallurgical furnace, so that the size of the metallurgical furnace burden is uniform and stable, and efficient and sufficient reaction can be realized after the metallurgical furnace burden is added into the metallurgical furnace, thereby ensuring the stability and controllability of the quality in the steel smelting process and improving the quality of the steel after smelting.
Description
Technical Field
The invention belongs to the field of steel smelting equipment, and particularly relates to a metallurgical furnace charge screening device.
Background
The raw and auxiliary materials in the smelting production of iron and steel are called metallurgical furnace charge for short. It typically comprises iron ore, scrap, pig iron, coke, ferroalloys, and the like. Meanwhile, the metallurgical furnace burden is used as an auxiliary product in steel making and is an important additive in the steel making process, in the whole steel making process, oxygen from different sources is used for oxidizing complex metals contained in the furnace burden, various complex processes are adopted, and the metallurgical furnace burden is used for removing silicon, phosphorus, carbon, deoxidization, alloy compounds and the like.
In the actual production process, the sizes of metallurgical furnace charges are different, and for the metallurgical furnace charges with larger sizes, the metallurgical furnace charges are difficult to be fully and efficiently contacted with steel liquid in the steelmaking process, so that the steelmaking quality is influenced.
Disclosure of Invention
The invention aims to provide a metallurgical charge screening device, thereby solving the problems.
In order to achieve the purpose, the invention discloses a metallurgical furnace charge screening device which comprises a furnace charge crusher, a conical crushing bin, a feeding conveyer belt and a discharging conveyer belt, wherein the furnace charge crusher is arranged in the middle of the conical crushing bin, the feeding conveyer belt is connected with an inlet at the upper end of the conical crushing bin, the discharging conveyer belt is connected with an outlet at the lower end of the conical crushing bin, a drawer type vibrating screen is arranged in the conical crushing bin, and the drawer type vibrating screen is arranged at the lower part of the furnace charge crusher.
Furthermore, the drawer type vibrating screen is in sliding connection with a sliding groove in the side wall of the conical crushing bin, and the end part of the drawer type vibrating screen is detachably connected with a reciprocating driving mechanism.
Further, the reciprocating driving mechanism is an air cylinder or a hydraulic oil cylinder.
Further, a piston rod pin hole is formed in the tail end of a piston rod of the air cylinder or the hydraulic oil cylinder, a vibrating screen pin hole is formed in the drawer type vibrating screen, and the vibrating screen pin hole is connected with the piston rod pin hole through a bolt.
Further, the furnace charge crusher is a gear crusher.
Compared with the prior art, the invention has the advantages that:
according to the invention, the metallurgical furnace burden is crushed and screened before being added into the metallurgical furnace, so that the size of the metallurgical furnace burden is uniform and stable, and efficient and sufficient reaction can be realized after the metallurgical furnace burden is added into the metallurgical furnace, thereby ensuring the stability and controllability of the quality in the steel smelting process and improving the quality of the steel after smelting.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a metallurgical charge screening device disclosed in a preferred embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in figure 1, the invention discloses a metallurgical furnace charge screening device, which comprises a furnace charge crusher 1, a conical crushing bin 2, a feeding conveyer belt 3 and a discharging conveyer belt 4, in particular, in order to ensure the crushing of waste steel, pig iron and the like in metallurgical furnace charge, the furnace charge crusher 1 is a gear crusher with large-occlusion crushing capacity, the furnace charge crusher 1 is arranged at the middle position in the conical crushing bin 2, the feeding conveyer belt 3 is connected with an inlet at the upper end of the conical crushing bin 2, the discharging conveyer belt 4 is connected with an outlet at the lower end of the conical crushing bin 2, a drawer type vibrating screen 5 is arranged in the conical crushing bin 2, after the metallurgical furnace charge falls into the conical crushing bin 2 from the feeding conveyer belt 3, the metallurgical furnace charge is crushed by the furnace charge crusher 1 and then falls onto the drawer type vibrating screen 5 for screening, part of the large size is not screened, the drawer type vibrating screen 5 is taken out from the, the raw materials are put into a feeding conveyer belt 3 for crushing again, and specifically, a drawer type vibrating screen 5 is arranged at the lower part of the charging material crusher 1.
In this embodiment, the drawer-type vibrating screen 5 is in sliding contact with the chute 6 on the side wall of the conical crushing bin 2, the end of the drawer-type vibrating screen 5 is detachably connected with a reciprocating driving mechanism 7, specifically, the reciprocating driving mechanism 7 is a cylinder or hydraulic oil, and the cylinder or hydraulic oil drives the drawer-type vibrating screen 5 to vibrate in a reciprocating manner in a small amplitude, so as to sieve small-size furnace burden.
In this embodiment, in order to facilitate taking out the drawer type vibration screen 5, a piston rod pin hole 9 is formed at the end of a piston rod 8 of the air cylinder or the hydraulic oil cylinder, the drawer type vibration screen 5 is provided with a vibration screen pin hole 10, the vibration screen pin hole 10 is connected with the piston rod pin hole 9 through a bolt 11, the bolt 11 is inserted into the vibration screen pin hole 10 and the piston rod pin hole 9 before the drawer type vibration screen 5 is taken out, and the bolt 11 is only required to be pulled out to take out the drawer type vibration screen 5.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The metallurgical furnace burden screening device is characterized by comprising a furnace burden crusher, a conical crushing bin, a feeding conveyer belt and a discharging conveyer belt, wherein the furnace burden crusher is arranged in the middle of the conical crushing bin, the feeding conveyer belt is connected with an inlet at the upper end of the conical crushing bin, the discharging conveyer belt is connected with an outlet at the lower end of the conical crushing bin, a drawer type vibrating screen is arranged in the conical crushing bin, and the drawer type vibrating screen is arranged at the lower part of the furnace burden crusher.
2. The metallurgical charge screening device of claim 1, wherein said drawer-type vibrating screen is in sliding contact with a chute formed in a sidewall of said conical crushing bin, and a reciprocating drive mechanism is detachably connected to an end of said drawer-type vibrating screen.
3. The metallurgical charge screening device of claim 2, wherein said reciprocating drive mechanism is an air cylinder or a hydraulic cylinder.
4. The metallurgical charge screening device of claim 3, wherein the end of the piston rod of the cylinder or hydraulic ram is provided with a piston rod pin hole, and the drawer-type vibrating screen is provided with a vibrating screen pin hole, and the vibrating screen pin hole is connected with the piston rod pin hole through a bolt.
5. The metallurgical charge screening device of claim 4, wherein said charge breaker is a gear breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010516185.7A CN111617869A (en) | 2020-06-09 | 2020-06-09 | Metallurgical furnace charge screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010516185.7A CN111617869A (en) | 2020-06-09 | 2020-06-09 | Metallurgical furnace charge screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111617869A true CN111617869A (en) | 2020-09-04 |
Family
ID=72255434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010516185.7A Withdrawn CN111617869A (en) | 2020-06-09 | 2020-06-09 | Metallurgical furnace charge screening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111617869A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299318A (en) * | 2023-09-26 | 2023-12-29 | 连云港绿润环保科技有限公司 | Nonferrous metal recycling smelting equipment |
-
2020
- 2020-06-09 CN CN202010516185.7A patent/CN111617869A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299318A (en) * | 2023-09-26 | 2023-12-29 | 连云港绿润环保科技有限公司 | Nonferrous metal recycling smelting equipment |
| CN117299318B (en) * | 2023-09-26 | 2024-05-10 | 连云港绿润环保科技有限公司 | Nonferrous metal recycling smelting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200904 |
|
| WW01 | Invention patent application withdrawn after publication |