CN211413199U

CN211413199U - Rolled strip surface cleaning device

Info

Publication number: CN211413199U
Application number: CN201922264976.0U
Authority: CN
Inventors: 陈海清
Original assignee: Wisdri Engineering and Research Incorporation Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-04
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to the technical field of cold continuous rolling mills in metallurgical plants, and provides a rolled strip surface cleaning device, which comprises at least two rolling mill frames for conveying rolled strips, wherein a cleaning assembly is arranged between the two rolling mill frames, the cleaning assembly comprises a cleaning tank capable of containing cleaning liquid, and the cleaning tank is provided with a tank inlet for the rolled strips to be cleaned to enter the tank and a tank outlet for the cleaned rolled strips to come out; and sequentially arranging a washing component for washing stains on the surface of the rolled strip and a washing component for washing the stains on the surface of the rolled strip in the washing tank along the direction from the tank inlet to the tank outlet. The utility model discloses a rolling strip surface cleaning device sets up the part of clearance at the rolling mill section, and configuration process flow is short to through multichannel cleaning process, can effectively clear up the residue on rolling strip surface.

Description

Rolled strip surface cleaning device

Technical Field

The utility model relates to a cold tandem mill technical field of metallurgical mill specifically is a rolling strip surface cleaning device.

Background

In the cold rolling production flow of a metallurgical plant, a hot rolled strip steel is rolled into a cold rolled thin strip through a cold rolling procedure, and the cold rolled thin strip is subjected to subsequent procedures of annealing, leveling, galvanizing, passivating and the like according to different product production process routes to produce corresponding products.

In order to cool and lubricate the roll gap during cold rolling, it is generally necessary to spray an emulsion during rolling and eventually form residual oil and iron on the surface of the cold rolled strip. Therefore, before the cold-rolled strip enters the subsequent working procedures of annealing, flattening, galvanizing and the like, the surface of the cold-rolled strip is cleaned through an auxiliary working procedure, and the surface quality of the product is improved. The traditional cleaning process and equipment are arranged between a rolling mill and annealing or galvanizing process equipment on a process route, and the cleaning section can be arranged independently or combined with an upstream unit and a downstream unit according to the matching relation of the rolling mill and the subsequent unit. The configuration process flow is long, and the corresponding production consumption is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rolling strip surface cleaning device sets up the part of clearance at the rolling mill section, and configuration process flow is short to through multichannel cleaning process, can effectively clear up the residue on rolling strip surface.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a rolled strip surface cleaning device comprises at least two rolling mill stands used for conveying rolled strips, wherein a cleaning assembly is arranged between the two rolling mill stands and comprises a cleaning tank capable of containing cleaning liquid, and the cleaning tank is provided with a tank inlet for allowing the rolled strips to be cleaned to enter a tank and a tank outlet for allowing the cleaned rolled strips to come out; and sequentially arranging a washing component for washing stains on the surface of the rolled strip and a washing component for washing the stains on the surface of the rolled strip in the washing tank along the direction from the tank inlet to the tank outlet.

Furthermore, the scrubbing assembly comprises a brush roll provided with an emulsion spray beam, the brush roll is provided with a scrubbing section for a rolled strip to pass through, the scrubbing section is opposite to the washing assembly, and the brush roll is arranged at the inlet of the groove.

Furthermore, the outlet of the tank is also provided with the washing component, and the washing component is positioned between the two washing components.

Furthermore, the washing assembly comprises a plurality of emulsion nozzles, part of the emulsion nozzles are arranged on the top of the washing tank, part of the emulsion nozzles are arranged on the bottom of the washing tank, a conveying channel for rolling strips to pass through is arranged between each rolling stand and the adjacent washing tank, and a liquid spraying port of each emulsion nozzle faces towards the conveying channel.

Furthermore, each emulsion nozzle is obliquely arranged.

Furthermore, the rolling machine frames are provided with three or more than three, each rolling machine frame is sequentially distributed along the conveying direction of the rolled strip, and the cleaning assembly is arranged between every two adjacent rolling machine frames.

Further, the roll stand inlet, the roll stand outlet, the trough inlet and the trough outlet are all located at the same height.

Further, the cleaning fluid is an emulsion.

Compared with the prior art, the beneficial effects of the utility model are that: a cleaning device for the surface of a rolled strip is provided, a cleaning component is arranged on a rolling section, the configuration process flow is short, and residues on the surface of the rolled strip can be effectively cleaned through a plurality of cleaning processes.

Drawings

Fig. 1 is a schematic structural diagram of a rolled strip surface cleaning device according to an embodiment of the present invention;

in the reference symbols: 1-rolling a strip; 2-a mill housing; 30-a brush roll; 31-emulsion spray beam; 4-a cleaning tank; 40-tank inlet; 41-tank outlet; 50-emulsion spray head.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a rolled strip surface cleaning apparatus, including at least two rolling stands 2 for conveying a rolled strip 1, a cleaning assembly is disposed between the two rolling stands 2, the cleaning assembly includes a cleaning tank 4 capable of containing a cleaning solution, the cleaning tank 4 has a tank inlet 40 for allowing the rolled strip 1 to be cleaned to enter into the tank and a tank outlet 41 for allowing the cleaned rolled strip 1 to come out; a washing component for washing stains on the surface of the rolled strip 1 and a rinsing component for rinsing the stains on the surface of the rolled strip 1 are sequentially installed in the washing tank 4 along the direction from the tank inlet 40 to the tank outlet 41. The conventional cleaning configuration has a long process flow and generates much unnecessary consumption, so that in the embodiment, the cleaning stage is arranged in the rolling mill section, namely, the cleaning assembly is arranged between two rolling mill stands, so that the problems in the prior art can be solved. Specifically, a conveying roller is arranged in a rolling mill frame 2 and can convey a rolled strip 1, the rolled strip 1 is strip steel, the rolled strip 1 enters from an inlet of the rolling mill frame 2 and is led out from an outlet of the rolling mill frame 2 and then enters a cleaning tank 4, cleaning liquid is filled in the cleaning tank 4, preferably, sealing parts are arranged at a tank inlet 40 and a tank outlet 41 of the cleaning tank 4 and can prevent the cleaning liquid from leaking as far as possible, the sealing parts can adopt elastic rubber and other parts which can be well contacted with the strip, after the rolled strip 1 enters the cleaning tank 4, the rolled strip can be gradually conveyed in a conveying channel and can be cleaned by a washing component and a rinsing component, namely, the rolled strip is rinsed and then rinsed, and residues on the surface of the rolled strip 1 can be effectively cleaned by cleaning in multiple processes. In structural arrangement, the cleaning assembly is arranged between the rolling stand 2, so that the configuration is simpler and the production consumption is low. Preferably, the adopted cleaning solution is emulsion, alkali liquor cleaning is adopted in the conventional method, but alkali liquor cleaning cannot be used on a rolling mill section, the alkali liquor cleaning is used for cleaning the strip steel after the strip steel is rolled in the rolling mill, and the emulsion is adopted for cleaning in the rolling mill section, so that a good cleaning effect can be achieved.

As an optimized solution of the embodiment of the present invention, please refer to fig. 1, the brushing assembly includes a brush roller 30 equipped with an emulsion spray beam 31, the brush roller 30 has a brushing area for the rolled strip 1 to pass through, the brushing area is opposite to the washing assembly, and the brush roller 30 is disposed at the tank inlet 40. In this embodiment, the brushing mode is the brush roller 30, and the emulsion is sprayed by the emulsion spray beam 31, so that the effect is better. Of course, other brushing means in the art may be used in addition to the brushing rolls 30, but should be ensured so as not to scratch the strip surface.

As an optimized solution of the embodiment of the present invention, please refer to fig. 1, the tank outlet 41 is further provided with the washing component, and the washing component is located between two washing components. In this embodiment, in addition to the first washing component step and the second washing component step provided in the above embodiments, a washing component may be further provided, that is, the washing component is firstly washed and washed once, and then washed once again, and the three steps are performed, so that the residues on the surface of the strip steel can be removed completely.

As an optimized solution of the embodiment of the present invention, please refer to fig. 1, the washing assembly includes a plurality of emulsion nozzles 50, a part of the emulsion nozzles 50 are disposed on the top of the washing tank 4, a part of the emulsion nozzles 50 are disposed on the bottom of the washing tank 4, each of the rolling mill stands 2 and the adjacent washing tank 4 have a conveying passage for the rolled strip 1 to pass through, and each of the liquid spraying ports of the emulsion nozzles 50 all face the conveying passage. In this embodiment, the emulsion nozzle 50 is used for washing, and preferably, the emulsion can be sprayed under high pressure to wash out the loosened residue after washing for deep cleaning. The liquid spraying port of the nozzle of the high-pressure emulsion faces the moving channel, so that the emulsion can be sprayed to the surface of the strip steel to wash the strip steel in a targeted manner.

To further optimize the above solution, please refer to fig. 1, each emulsion nozzle 50 is disposed in an inclined manner. In the embodiment, the inclined spray head can enable the sprayed emulsion to be obliquely sprayed to the surface of the strip steel, the spraying effect is better than that of the emulsion which is directly sprayed to the surface of the strip steel, and the inclined emulsion ray can have a certain scraping force so as to be convenient for flushing away residues.

As an optimized scheme of the embodiment of the present invention, please refer to fig. 1, three or more rolling stands 2 are provided, each rolling stand 2 is sequentially arranged along the conveying direction of the rolled strip 1, and the cleaning assembly is disposed between two adjacent rolling stands 2. In this embodiment, the number of the rolling stands 2 may be determined according to actual conditions, for example, three rolling stands are provided in this embodiment, two cleaning assemblies are correspondingly provided to clean the surface of the strip steel, and the repeated cleaning can ensure that the residues on the surface of the strip steel are removed completely.

As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, the inlet of the rolling stand 2, the outlet of the rolling stand 2, the groove inlet 40 and the groove outlet 41 are all located at the same height. In the embodiment, the inlets and the outlets are arranged at the same height, so that the stable transportation of the strip steel can be ensured, and the strip steel is convenient to clean.

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 rolled strip surface cleaning device is characterized in that: the cleaning device comprises at least two rolling mill frames for conveying rolled strips, wherein a cleaning assembly is arranged between the two rolling mill frames and comprises a cleaning tank capable of containing cleaning liquid, and the cleaning tank is provided with a tank inlet for allowing the rolled strips to be cleaned to enter the tank and a tank outlet for allowing the cleaned rolled strips to come out; and sequentially arranging a washing component for washing stains on the surface of the rolled strip and a washing component for washing the stains on the surface of the rolled strip in the washing tank along the direction from the tank inlet to the tank outlet.

2. A rolled strip surface cleaning apparatus as claimed in claim 1, wherein: the scrubbing assembly comprises a brush roll provided with an emulsion spray beam, the brush roll is provided with a scrubbing area for a rolled strip to pass through, the scrubbing area is opposite to the washing assembly, and the brush roll is arranged at the entrance of the groove.

3. A rolled strip surface cleaning apparatus as claimed in claim 1, wherein: the outlet of the tank is also provided with the washing component, and the washing component is positioned between the two washing components.

4. A rolled strip surface cleaning apparatus as claimed in claim 1, wherein: the washing assembly comprises a plurality of emulsion nozzles, part of the emulsion nozzles are distributed on the top of the washing tank, part of the emulsion nozzles are distributed on the bottom of the washing tank, a conveying channel for rolling strips to pass through is arranged between each rolling stand and the adjacent washing tank, and a liquid spraying opening of each emulsion nozzle faces towards the conveying channel.

5. A rolled strip surface cleaning apparatus as claimed in claim 4, wherein: and each emulsion spray head is obliquely arranged.

6. A rolled strip surface cleaning apparatus as claimed in claim 1, wherein: the rolling machine comprises three or more rolling machine frames, each rolling machine frame is sequentially distributed along the conveying direction of a rolled strip, and the cleaning assembly is arranged between every two adjacent rolling machine frames.

7. A rolled strip surface cleaning apparatus as claimed in claim 1, wherein: the inlet of the roll stand, the outlet of the roll stand, the trough inlet and the trough outlet are all located at the same height.

8. A rolled strip surface cleaning apparatus as claimed in claim 1, wherein: the cleaning fluid is emulsion.