CN214881655U

CN214881655U - Slag scraper for converter oxygen lance

Info

Publication number: CN214881655U
Application number: CN202023061979.3U
Authority: CN
Inventors: 马泽华; 史二文; 韩彦刚; 史二明; 权华增; 史谦
Original assignee: Guangdong Taidu Iron And Steel Industry Co ltd
Current assignee: Guangdong Taidu Iron And Steel Industry Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-11-26
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a slag scraper for converter oxygen lance, which comprises a nested frame and a slag scraping component, wherein the adjustable slag scraping component is arranged in a screw hole in the nested frame, when the slag scraping operation is carried out, a frame shell is nested at the outer side of an oxygen lance oxygen conveying pipeline, the position of a locking nut on an adjusting screw is adjusted, so that two groups of movable frames in the inner part are combined, an embedded bayonet and an embedded fixture block are mutually clamped and embedded, a slag scraping blade is tightly attached to the outer wall of the oxygen lance, the slag scraper is controlled by external driving equipment to move up and down at the outer side of the oxygen lance conveying pipeline, metal slag on the outer surface of the oxygen conveying pipeline is scraped by the slag scraping blade, the scraped metal slag directly falls into a slag sheet collecting net arranged in a collecting shell clamped and embedded at the bottom of the frame shell for collection, the slag scraper can adapt to oxygen lance oxygen conveying pipelines with different sizes, and the scraped slag is integrated, collected and utilized by the slag sheet collecting net, the metal slag is prevented from splashing in the scraping process.

Description

Slag scraper for converter oxygen lance

Technical Field

The utility model relates to the technical field of converter steelmaking, in particular to a slag scraper for a converter oxygen lance.

Background

The converter steelmaking uses molten iron, scrap steel and ferroalloy as main raw materials, does not need external energy, and completes the steelmaking process in the converter by means of the physical heat of molten iron and the heat generated by chemical reaction between molten iron components, the converter is divided into acid and alkali according to refractory materials, the top blowing, the bottom blowing and the side blowing are carried out according to the positions blown into the converter by gas, the air converter and the oxygen converter are divided according to the types of gas, the basic oxygen top blowing converter and the top-bottom combined blowing converter are mainly used for smelting carbon steel, alloy steel and nickel by using the most common steelmaking equipment due to high production speed, high yield, high single-furnace yield, low cost and low investment, wherein, an oxygen lance is usually required to be installed for oxygen delivery, and because molten metal is easy to splash, during the oxygen delivery process of the oxygen lance, the molten metal splashes to the outer side of the oxygen lance, and is solidified after cooling, thereby forming uneven waste slag on the outer side of the oxygen lance, this type of waste residue is generally cleared up by scraping the sediment ware in unison, and the sediment ware of scraping of prior art is scraping the sediment when operation, because nested pipeline's frame is incompatible with oxygen pipeline's size to lead to scraping the sediment sword and can't effectively be with the waste residue clean up on oxygen lance pipeline surface, thereby lead to scraping the effect of sediment relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scrape sediment ware for converter oxygen rifle, scrape the sediment subassembly with adjustable the downthehole installation of screw rod in nested frame, when scraping the sediment operation, with the frame shell nestification in the outside of oxygen rifle oxygen therapy pipeline, adjust the position of lock nut on adjusting screw, make the combination of inside two sets of movable frame, and embedded bayonet socket and the mutual inlay card of embedded fixture block, and make and scrape the sediment blade and hug closely on the outer wall of oxygen rifle, adjusting screw's outer end is installed on external drive equipment simultaneously, scrape the sediment ware and move about the oxygen rifle pipeline outside from top to bottom by external drive equipment control, utilize to scrape the metal disintegrating slag that the sediment blade will oxygen therapy pipeline surface and strike off, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the slag scraper for the converter oxygen lance comprises a nested frame and a slag scraping assembly, wherein the slag scraping assembly is arranged inside the nested frame.

Nested frame includes frame shell, screw inlay seat, screw hole, collects shell, caulking groove bayonet socket, collects net mounting groove and sediment piece and collects the net, the side of frame shell is equipped with the screw inlay seat, be equipped with the screw hole in the screw inlay seat, the shell is collected in the bottom installation of frame shell, the inside of collecting the shell is equipped with the caulking groove bayonet socket, the inboard of caulking groove bayonet socket is equipped with collects the net mounting groove, collect and install the sediment piece in the net mounting groove and collect the net.

Preferably, scrape the sediment subassembly and include movable frame, embedded bayonet socket, embedded fixture block, scrape sediment blade, outer base, adjusting screw, supporting spring and lock nut, movable frame's upside end is equipped with embedded bayonet socket, movable frame's downside end is equipped with embedded fixture block, movable frame's internal surface is equipped with scrapes the sediment blade, movable frame's outside center department is equipped with outer base, be equipped with adjusting screw in the outer base, the outside that adjusting screw is close to outer base one end is equipped with supporting spring, adjusting screw's outer end installation lock nut.

Preferably, the outer edge of the slag piece collecting net is provided with a collecting net frame which is nested at the upper end of the caulking groove bayonet.

Preferably, the adjusting screw is installed in the screw hole in a penetrating manner.

Preferably, the slag scraping assemblies are arranged in four groups, the first group and the third group from top to bottom are horizontally arranged, and the second group and the fourth group are vertically arranged.

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

the utility model discloses a scrape sediment ware for converter oxygen rifle, install adjustable and scrape sediment subassembly in the screw rod hole in nested frame, when scraping the sediment operation, with frame shell nestification in the oxygen rifle oxygen transmission pipeline's the outside, adjust the position of lock nut on adjusting screw, make inside two sets of movable frame merge, and embedded bayonet socket and embedded fixture block inlay mutually, and make and scrape the sediment blade and hug closely on the outer wall of oxygen rifle, adjusting screw's outer end is installed on external drive equipment simultaneously, is controlled by external drive equipment and is scraped the sediment ware and move about the oxygen rifle pipeline outside, utilizes and scrapes the metal bits of sediment blade external surface of oxygen transmission pipeline and strikes off, and the metal bits of sediment of scraping falls directly and collects in the sediment piece collection net of installation in the collection shell of frame shell bottom inlay card, the utility model discloses it is complete reasonable in structure, this sediment ware can adapt to the oxygen transmission pipeline of different sizes, and can scrape the metal disintegrating slag fast, the disintegrating slag of scraping simultaneously is collected the net by the sediment piece and is integrated to collect the utilization, avoids the metal disintegrating slag to splash at the scraping in-process.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic perspective view of the nested frame of the present invention;

fig. 4 is a schematic cross-sectional structural view of the nested frame of the present invention;

fig. 5 is a schematic structural view of the slag scraping assembly of the present invention.

In the figure: 1. nesting the frames; 101. a frame housing; 102. a screw clamping and embedding seat; 103. a screw hole; 104. a collection housing; 105. a caulking groove bayonet; 106. a collecting net mounting groove; 107. a slag sheet collecting net; 2. a slag scraping assembly; 21. a movable frame; 22. a bayonet is embedded; 23. embedding a fixture block; 24. a slag scraping blade; 25. an outer base; 26. adjusting the screw rod; 27. a support spring; 28. and locking the nut.

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.

Referring to the figures 1-2, the slag scraper for the oxygen lance of the converter comprises a nested frame 1 and slag scraping assemblies 2, wherein the slag scraping assemblies 2 are arranged inside the nested frame 1, the slag scraping assemblies 2 are provided with four groups, the first group and the third group from top to bottom are horizontally arranged, the second group and the fourth group are vertically arranged, and the slag scraping assemblies 2 are horizontally and vertically arranged at intervals, so that the slag scraping blades 24 inside the slag scraping assemblies 2 can cover the oxygen lance conveying pipeline in all directions.

Referring to fig. 3-4, the nested frame 1 includes a frame casing 101, a screw fastening seat 102, a screw hole 103, a collecting casing 104, a caulking groove bayonet 105, a collecting net mounting groove 106 and a slag collecting net 107, the side of the frame casing 101 is provided with the screw fastening seat 102, the screw fastening seat 102 is provided with the screw hole 103, the bottom of the frame casing 101 is provided with the collecting casing 104, the collecting casing 104 is provided with the caulking groove bayonet 105 inside, the inner side of the caulking groove bayonet 105 is provided with the collecting net mounting groove 106, the collecting net 107 is mounted in the collecting net mounting groove 106, the outer edge of the slag collecting net 107 is provided with the collecting net frame nested at the upper end of the caulking groove bayonet 105, the slag collecting net 107 is used for collecting metal slag scraped in the slag scraping operation, and the slag collecting net 107 can be quickly mounted or dismounted, so as to facilitate the integrated collection and recycling of the metal slag.

Referring to fig. 5, the slag scraping assembly 2 includes a movable frame 21, an embedded bayonet 22, an embedded fixture block 23, a slag scraping blade 24, an outer base 25, an adjusting screw 26, a supporting spring 27 and a locking nut 28, the embedded bayonet 22 is disposed at the end of the upper side of the movable frame 21, the embedded fixture block 23 is disposed at the end of the lower side of the movable frame 21, the slag scraping blade 24 is disposed on the inner surface of the movable frame 21, the outer base 25 is disposed at the center of the outer side of the movable frame 21, the adjusting screw 26 is disposed in the outer base 25, the adjusting screw 26 is penetratingly mounted in a screw hole 103, the outer side of the adjusting screw 26 is connected to an external driving device, the external driving device realizes movable slag scraping of the slag scraper on the oxygen delivery pipe through the adjusting screw 26, the supporting spring 27 is disposed at the outer side of the adjusting screw 26 close to one end of the outer base 25, and the locking nut 28 is mounted at the outer end of the adjusting screw 26.

The utility model discloses difference with prior art: when the slag scraper in the prior art is used for scraping slag, because the frame of the nested pipeline is incompatible with the size of the oxygen conveying pipeline, the slag scraping knife can not effectively clean the waste slag on the surface of the oxygen lance pipeline, and the slag scraping effect is poor, the slag scraper for the converter oxygen lance of the utility model is used for installing the adjustable slag scraping component 2 in the screw hole 103 in the nested frame 1, when the slag scraping operation is carried out, the frame shell 101 is nested outside the oxygen lance oxygen conveying pipeline, the position of the locking nut 28 on the adjusting screw 26 is adjusted, two groups of movable frames 21 inside are combined, the embedded bayonet 22 and the embedded fixture block 23 are mutually clamped and embedded, the slag scraping blade 24 is tightly attached to the outer wall of the oxygen lance, meanwhile, the outer end of the adjusting screw 26 is arranged on external driving equipment, the slag scraper is controlled by the external driving equipment to move up and down outside the oxygen lance conveying pipeline, the metal slag on the outer surface of the oxygen pipeline is scraped by the slag scraping blade 24, and the scraped metal slag directly falls into a slag piece collecting net 107 arranged in a collecting shell 104 embedded at the bottom of the frame shell 101 for collection.

In summary, the following steps: the utility model discloses a slag scraper for converter oxygen rifle, install adjustable slag scraping component 2 in screw rod hole 103 in nested frame 1, when scraping the sediment operation, nest frame shell 101 in the oxygen rifle oxygen therapy pipeline's outside, adjust the position of lock nut 28 on adjusting screw 26, make two sets of movable frame 21 of inside merge, and embedded bayonet 22 and embedded fixture block 23 each other inlay card, and make and scrape the slag blade 24 and hug closely on the outer wall of oxygen rifle, adjusting screw 26's outer end is installed on external drive equipment simultaneously, control by external drive equipment and scrape the slag scraper and move from top to bottom outside the oxygen rifle oxygen therapy pipeline, utilize and scrape the metal bits of slag of oxygen therapy pipeline surface and strike off with scraping the slag blade 24, the metal bits of slag that strikes off then directly fall to the frame shell 101 bottom inlay card collect in the slag piece collection net 107 of installation in the collection shell 104, the utility model has a complete and reasonable structure, this scrape sediment ware can adapt to not unidimensional oxygen rifle oxygen therapy pipeline to can strike off metal disintegrating slag fast, the disintegrating slag of striking off simultaneously is collected by the piece of sediment and is netted 107 integration collection utilization, avoids metal disintegrating slag to splash scraping the in-process.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A slag scraper for converter oxygen rifle, including nested frame (1) and scrape sediment subassembly (2), its characterized in that: a slag scraping component (2) is arranged inside the nested frame (1);

nested frame (1) includes frame shell (101), screw rod inlay card seat (102), screw rod hole (103), collects shell (104), caulking groove bayonet socket (105), collects net mounting groove (106) and slag piece and collects net (107), the side of frame shell (101) is equipped with screw rod inlay card seat (102), be equipped with screw rod hole (103) in screw rod inlay card seat (102), shell (104) is collected in the bottom installation of frame shell (101), the inside of collecting shell (104) is equipped with caulking groove bayonet socket (105), the inboard of caulking groove bayonet socket (105) is equipped with collects net mounting groove (106), net (107) are collected to installation slag piece in collection net mounting groove (106).

2. The slag scraper for an oxygen lance of a converter as claimed in claim 1, characterized in that: scrape sediment subassembly (2) including movable frame (21), embedded bayonet socket (22), embedded fixture block (23), scrape sediment blade (24), outer base (25), adjusting screw (26), supporting spring (27) and lock nut (28), the upside end of movable frame (21) is equipped with embedded bayonet socket (22), the downside end of movable frame (21) is equipped with embedded fixture block (23), the internal surface of movable frame (21) is equipped with scrapes sediment blade (24), the outside center department of movable frame (21) is equipped with outer base (25), be equipped with adjusting screw (26) in outer base (25), the outside that adjusting screw (26) are close to outer base (25) one end is equipped with supporting spring (27), lock nut (28) are installed to the outer end of adjusting screw (26).

3. The slag scraper for an oxygen lance of a converter as claimed in claim 1, characterized in that: the outer edge of the slag piece collecting net (107) is provided with a collecting net frame which is nested at the upper end of the caulking groove bayonet (105).

4. The slag scraper for an oxygen lance of a converter as claimed in claim 2, characterized in that: the adjusting screw (26) is installed in the screw hole (103) in a penetrating mode.

5. The slag scraper for an oxygen lance of a converter as claimed in claim 1, characterized in that: the slag scraping assemblies (2) are provided with four groups in total, the first group and the third group from top to bottom are horizontally arranged, and the second group and the fourth group are vertically arranged.