Rapid cooling device for channel steel

Abstract

The utility model discloses a rapid channel steel cooling device which comprises a box body, an inlet guide pipe and an outlet guide pipe are arranged at the two ends of the box body respectively, a plurality of cooling nozzles and a plurality of back flushing nozzles are arranged between the inlet guide pipe and the outlet guide pipe, and the number of the cooling nozzles is set according to process requirements. A cooling channel of the cooling nozzle is arranged to be matched with the shape of the channel steel; rectangular circular seams are formed in the cooling nozzle and the back flushing nozzle; each nozzle is detachably mounted on a bracket in the box body; a pipe set is arranged on one side of the box body and used for supplying water to the nozzles. And a pressure regulating valve and a flow regulating valve are arranged on the pipe group. According to the channel steel cooling device, channel steel can be rapidly and uniformly cooled, the number of the cooling nozzles can be configured according to different process requirements, and the pressure and flow of cooling water can be controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to a section steel rolling equipment, concretely relates to a channel steel rapid cooling device. BACKGROUND

[0002] The production process of section steel generally does not configure process cooling equipment, and is naturally cooled on a cooling bed. With market competition, some manufacturers apply controlled cooling process in the production of screw steel and bar for the purpose of cost control, and good economic benefits are obtained. For channel steel production, there is still lack of applicable rapid cooling device. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a channel steel rapid cooling device.

[0004] Technical scheme: the channel steel rapid cooling device of the utility model, including the box, the both ends of box are provided with inlet pipe and outlet pipe respectively, is provided with a plurality of cooling nozzles and a plurality of back flushing nozzles between inlet pipe and outlet pipe, the number of cooling nozzle is configured according to process requirement, and the cooling channel of cooling nozzle is set to be adapted to the shape of channel steel;Box side is provided with pipe group, and is used to supply water for each nozzle.

[0005] Further, the pipe group is provided with pressure regulating valve and flow regulating valve to control the cooling capacity of each nozzle, so as to meet the requirements of different channel steel specifications and different rolling speeds on cooling process.

[0006] Further, the inside of cooling nozzle and back flushing nozzle is provided with rectangular ring slit, so that cooling water forms turbulent flow and is sprayed on the surface of channel steel.

[0007] Further, each nozzle is detachably mounted on the support in the box, and can be replaced with corresponding nozzle according to the specification requirements of the produced channel steel.

[0008] Further, the box is detachably fixed on the base.

[0009] Further, the box is provided with openable and closable box cover, and when the box cover is closed, the box forms airtight space.

[0010] Further, the box cover is manually opened and closed, or is opened and closed under the driving of hydraulic telescopic rod outside the box.

[0011] Beneficial effects: compared with the prior art, the utility model has the following advantages: (1) the channel steel is rapidly cooled through cooling water, the growth of austenite grains and ferrite grains can be controlled, higher tensile strength is finally obtained, the organization performance of the channel steel is improved, and the consumption of alloy is reduced; (2) the cooling channel of the cooling nozzle is set to adapt to the shape of the channel steel, the cooling capacity of the channel steel web plate and flange can be made consistent, the uniform and rapid cooling of each part of the channel steel can be ensured and consistent organization performance is obtained, and meanwhile, the bending of the channel steel caused by uneven cooling can be prevented to affect production. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the plan view of the channel steel rapid cooling device;

[0013] Fig. 2 It is the structural schematic view of the channel steel rapid cooling device;

[0014] Fig. 3 It is the sectional view of the channel steel rapid cooling device;

[0015] Fig. 4 It is the structural schematic view of the cooling nozzle;

[0016] Fig. 5 It is the structural schematic view of the back flushing nozzle;

[0017] Fig. 6 It is the structural schematic view of the cooling channel of the cooling nozzle. DETAILED DESCRIPTION

[0018] The utility model will be further described below in combination with the drawings.

[0019] ATTACHED Figs. 1 to 6 The reference signs in the drawings are as follows:

[0020] 1, box body;2, inlet pipe;3, cooling nozzle;4, back flushing nozzle;5, outlet pipe;6, box cover;7, rectangular ring slit;8, support;9, base;10, pressure regulating valve;11, flow regulating valve;12, pipe group;13, cooling channel;14, channel steel;15, outer water channel;16, inner water channel.

[0021] As Figs. 1 to 3 shown, the utility model embodiment provides a kind of channel steel rapid cooling device, including box body 1, which can be detachably fixed on base 9.Box body 1 adopts U type semi-closed structure, and end plate is set at both ends, and support 8 for installing cooling nozzle 3 and back flushing nozzle 4 is set inside.

[0022] The box body 1 is provided with an inlet pipe 2 at the inlet end and an outlet pipe 5 at the outlet end. A plurality of cooling nozzles 3 and three back flushing nozzles 4 are arranged between the inlet pipe 1 and the outlet pipe 5, and the number of the cooling nozzles 3 is configured according to process requirements. Each nozzle is detachably mounted on a support 8 and can be replaced with a corresponding nozzle according to the size of the produced channel steel.

[0023] A box cover 6 is hingedly connected to the box body 1 and can be manually opened and closed or driven to open and close by a hydraulic telescopic rod outside the box body 1. When the box cover 6 is closed, a closed space is formed in the box body 1, preventing water and water mist from spreading into the workshop and affecting the environment.

[0024] A pipe group 12 is arranged on one side of the box body 1 for supplying water to each nozzle. The pipe group 12 is provided with a pressure regulating valve 10 and a flow regulating valve 11. By adjusting the pressure regulating valve 10 and the flow regulating valve 11, the cooling capacity of each nozzle can be controlled to meet the cooling process requirements of different channel steel sizes and different rolling speeds.

[0025] In combination Fig. 4 , the cooling nozzle 3 is internally provided with a rectangular annular gap 7, and the cooling water is sprayed from the rectangular annular gap 7 to form turbulent flow to the surface of the channel steel 14, which has high and uniform and stable cooling efficiency.

[0026] In combination Fig. 5 , the back flushing nozzle 4 is internally provided with a rectangular annular gap 7, and the cooling water is sprayed from the rectangular annular gap 7 to form turbulent flow to the surface of the channel steel 14. The water spraying direction is opposite to the advancing direction of the channel steel 14, which can play a water blocking effect and prevent the cooling water from flowing out of the box body 1.

[0027] In combination Fig. 4 and Fig. 6 , the cooling water is sprayed from the rectangular annular gap 7 of the cooling nozzle 3, and the cooling water enters the cooling channel 13 to cool the channel steel 14. In this embodiment, the cooling channel 13 is arranged to adapt to the shape of the channel steel 14, so that the channel steel 14 divides the cooling channel 13 into an outer water channel 15 and an inner water channel 16, so that the cooling capacity of the web and the flange of the channel steel is consistent, and the gap of the outer water channel 15 and the inner water channel 16 is basically consistent, so that each part of the channel steel can be uniformly and quickly cooled and consistent organizational properties are obtained, and the bending of the channel steel caused by uneven cooling can be prevented to affect production.

[0028] In summary, the number of cooling nozzles can be configured according to different process requirements, and the pressure and flow of the cooling water can be controlled.

Claims

1. A quick cooling device for a channel steel, characterized by, The utility model relates to a cooling device for H-shaped steel, comprising a box (1), an inlet pipe (2) and an outlet pipe (5) are arranged at both ends of the box (1) respectively, a plurality of cooling nozzles (3) and a plurality of back flushing nozzles (4) are arranged between the inlet pipe (2) and the outlet pipe (5), the number of the cooling nozzles (3) is configured according to process requirements, and the cooling channel (13) of the cooling nozzle (3) is arranged to be adapted to the shape of the channel steel; a pipe group (12) is arranged on one side of the box (1) and is used for supplying water to each nozzle.

2. The quick cooling device for a channel steel according to claim 1, characterized by A pressure regulating valve (10) and a flow regulating valve (11) are arranged on the pipe group (12) to control the cooling capacity of each nozzle and meet the requirements of different channel steel specifications and different rolling speeds on the cooling process.

3. The quick cooling device for a channel steel according to claim 1, characterized by Rectangular annular slits (7) are arranged in the interiors of the cooling nozzles (3) and the back flushing nozzles (4) to make the cooling water form turbulent flow and be sprayed onto the surface of the channel steel.

4. The quick cooling device for a channel steel according to claim 1, wherein Each nozzle is detachably mounted on a support (8) in the box (1) and can be replaced by a corresponding nozzle according to the specification requirements of the produced channel steel.

5. The quick cooling device for a channel steel according to claim 1, wherein The box (1) is detachably fixed on a base (9).

6. The quick cooling device for a channel steel according to claim 1, wherein A box cover (6) that can be opened and closed is arranged on the box (1), and a closed space is formed in the box (1) when the box cover (6) is closed.

7. The quick cooling device for a channel steel according to claim 6, characterized by The box cover (6) is manually opened and closed or is opened and closed under the driving of a hydraulic telescopic rod outside the box (1).

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