CN217165799U

CN217165799U - Continuous casting and rolling production line finish rolling anti-oxidation iron powder accumulates cutting plate that drops

Info

Publication number: CN217165799U
Application number: CN202220724787.6U
Authority: CN
Inventors: 张先余; 宋俊岭; 张京忠; 刘贺明; 黄绪银
Original assignee: Rizhao Steel Holding Group Co Ltd
Current assignee: Rizhao Steel Holding Group Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-12
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a water cutting plate for the fine rolling and anti-oxidation iron powder accumulation and falling of a continuous casting and rolling production line, which belongs to the field of steel production and comprises a water cutting plate body and a guide, wherein the lower end of the water cutting plate body is fixed on the guide through bolts; the upper end of the rear part of the water cutting plate body is provided with an air hole which is used for being connected with an air duct of a dust removal system; the guide is provided with a plurality of dust suction ports, each dust suction port is connected with an air suction pipe, the air suction pipes extend into the water cutting plate body, and the rear ends of the air suction pipes face the air holes; the front wall of the air suction pipe is longer than the rear wall. Compared with the prior art, the product quality and the production stability can be improved.

Description

Continuous casting and rolling production line finish rolling anti-oxidation iron powder accumulates cutting plate that drops

Technical Field

The utility model relates to a device for continuous casting and rolling finish rolling dust removal, especially a continuous casting and rolling produces anti-oxidation iron powder of line finish rolling section and gathers the cutting board that drops.

Background

The steel industry is the prop industry of China and is also an important component in economic construction. Steel rolling is an important link for producing steel in steel enterprises, and a large amount of smoke dust is generated in the production process due to high rolling speed and thin rolling specification of finish rolling, so that the finish rolling machine of the continuous casting and rolling production line is provided with a dust removal system on a finish rolling F3-F5 rack.

Because the dust removal system is designed by combining with a water cutting plate on the outlet of the finishing mill, the exhaust fan can not only suck the ferric oxide powder in the dust collection process in the production process, but also suck part of cooling water (steam) of the working roll into the channel, the water (steam) combined with the ferric oxide powder is easy to accumulate and bond in the channel to increase, the mud cluster formed by bonding the ferric oxide powder can be vibrated and dropped by the vibration generated in the rolling process, the mud cluster is rolled into the next rack along with the strip steel after falling onto the surface of the strip steel, the quality defect of pressing the ferric oxide powder into the rack is generated, the strip steel penetrates through the scrap steel under the serious condition, and the limitation on the production specification is great.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is not enough to above prior art, the continuous casting and rolling production line finish rolling anti-oxidation iron powder that provides one kind gathers the cutting board that drops, through cutting board transformation on exporting the ESP finishing mill, improves the dust pelletizing system passageway, avoids the iron oxide powder to bond the gathering and drops and arouse the production accident on belted steel, improves product quality and production stability simultaneously.

The technical proposal of the utility model for solving the technical problem is that: the utility model provides a continuous casting and rolling produces line finish rolling anti-oxidation iron powder and gathers cutting water board that drops, includes cutting water board body and leads and defend its characterized in that: the lower end of the water cutting plate body is fixed on the guide through a bolt; the upper end of the rear part of the water cutting plate body is provided with an air hole which is used for being connected with an air duct of a dust removal system; the guide is provided with a plurality of dust suction ports, each dust suction port is connected with an air suction pipe, the air suction pipes extend into the water cutting plate body, and the rear ends of the air suction pipes face the air holes; the front wall of the air suction pipe is longer than the rear wall.

The air suction pipe is inserted with the dust suction port.

The dust suction ports on the guide are four groups in parallel, and each group comprises two dust suction ports arranged in front and back.

The air suction pipe is a telescopic pipe.

Compared with the prior art, the utility model discloses following outstanding beneficial effect has:

1. the utility model avoids the ferric oxide powder mud group from falling onto the band steel from the air suction channel by adding the anti-falling sleeve for dedusting ash, avoids the ferric oxide powder from bonding, gathering and falling onto the band steel to cause production accidents, and avoids influencing the product quality;

2. the utility model discloses can improve the smooth and easy nature of dust absorption, increase dust removal effect, improve product quality and production stability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The invention is further described with reference to the drawings and the detailed description. In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the claimed embodiments. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the following embodiments, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

For better description, the left side of fig. 1 is taken to be forward of the roll end, and vice versa. It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," "end," "side," and the like are used in an illustrative and non-restrictive sense, and are used in a generic and descriptive sense only and not for purposes of limitation, the referenced devices or elements must be in a particular orientation, configuration or operation, and not for purposes of limitation, as the orientation or positional relationship is illustrated in the figures.

As shown in figure 1, the utility model comprises a water cutting board body and a guide.

The lower end of the water cutting plate body 1 is fixed on the guide 2 through bolts.

And the upper end of the rear part of the water cutting plate body 1 is provided with an air hole 3 which is used for being connected with an air duct of a dust removal system.

Guide 2 on have a plurality of dust absorption mouths 4, every dust absorption mouth 4 is connected an aspiration channel 5, aspiration channel 5 stretches into cutting board body 1 inside, aspiration channel 5's rear end towards wind hole 3, for prior art, through changing the orientation of induced drafting, under the condition that does not change 4 cross sectional areas of dust absorption mouth, make it induced draft along with the main entrance more smoothly.

In addition, the front wall 51 of the air suction pipe 5 is longer than the rear wall 52, the front wall 51 has a shielding effect on the dust suction opening 4, and the phenomenon that a large amount of waste steel flows to the strip steel from the dust suction opening 4 after water sucked into the water cutting plate body 1 is accumulated is avoided

After the iron oxide powder enters the interior of the water cutting plate from the dust suction port 4, the iron oxide powder is easily bonded on the inner surface of the front wall of the water cutting plate body 1 under the guide effect of airflow, and the mud lumps formed by bonding the iron oxide powder can be vibrated down by vibration generated in the rolling process. In the prior art, mud lumps can directly fall onto the surface of strip steel and then roll into the next machine frame along with the strip steel, so that the quality defect of scale pressing-in is generated slightly, and the strip steel rolls through scrap steel under severe conditions, so that the production of thin specifications is greatly restricted. The utility model can fall on the front wall 51 of the air suction pipe 5 and slide forward and downward along with the front wall 51 of the air suction pipe 5 because of the shielding of the front wall 51 of the air suction pipe 5.

In the optimized scheme, the air suction pipe 5 is inserted into the dust suction port 4, so that the air suction pipe is convenient to disassemble and clean.

In this embodiment, the dust suction ports 4 on the guide are four parallel groups, each group is two arranged in front and back, and the total number of the dust suction ports 4 is 8.

In the optimized scheme, the air suction pipe 5 is a telescopic pipe and is suitable for water cutting plate bodies of various specifications.

It should be noted that the present embodiment is not described in detail, and is a technique known in the art.

While certain embodiments of the present invention have been described above for purposes of illustration, it will be apparent to those skilled in the art that various obvious changes may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a continuous casting and rolling produces line finish rolling anti-oxidation iron powder and gathers cutting water board that drops, includes cutting water board body and leads and defend its characterized in that: the lower end of the water cutting plate body is fixed on the guide through a bolt; the upper end of the rear part of the water cutting plate body is provided with an air hole which is used for being connected with an air duct of a dust removal system; the guide is provided with a plurality of dust suction ports, each dust suction port is connected with an air suction pipe, the air suction pipes extend into the water cutting plate body, and the rear ends of the air suction pipes face the air holes; the front wall of the air suction pipe is longer than the rear wall.

2. The continuous casting and rolling production line finish rolling anti-oxidation iron powder accumulated falling water cutting plate according to claim 1, characterized in that: the air suction pipe is inserted with the dust suction port.

3. The continuous casting and rolling production line finish rolling anti-oxidation iron powder accumulated falling water cutting plate according to claim 1, characterized in that: the dust suction ports on the guide are four groups in parallel, and each group comprises two dust suction ports arranged in front and back.

4. The continuous casting and rolling production line finish rolling anti-oxidation iron powder accumulated falling water cutting plate according to claim 1, characterized in that: the air suction pipe is a telescopic pipe.