Simple and efficient billet head dephosphorization device of billet continuous casting machine

Abstract

The utility model provides a simple and efficient billet head dephosphorization device of a billet continuous casting machine, which comprises a water spraying mechanism and a dephosphorization mechanism which are arranged on the same side of a cooling bed, are positioned at one end of a billet to be sprayed, and are arranged at an interval towards the advancing direction of the cooling bed, a water outlet of the water spraying mechanism is arranged towards the section of the billet head and is used for cooling the section of the billet head, and the dephosphorization mechanism is used for dephosphorization of the billet head. And the dephosphorization head of the dephosphorization mechanism can be in contact with the section of the blank head and is used for cleaning the oxide scale on the section of the cooled blank head, so that the reliable and complete number jet printing on the section by a number jet printing machine in the subsequent process is ensured. The dephosphorization device has no large requirement on water quality, is simple in structure and high in dephosphorization efficiency, saves dephosphorization cost, reduces waste of water energy and electric energy, and ensures effectiveness and completeness of number spraying.

Description

Technical Field

[0001] The utility model relates to the technical field of dephosphorization of continuous casting square billets, and more specifically to a simple and efficient dephosphorization device for a billet head of a square billet continuous casting machine. Background Art

[0002] The billet head of the square billet continuous casting machine needs to be descaled before the numbering machine is used for numbering. Generally, a special high-pressure water descaling device is used to remove the iron oxide scale and regenerated iron oxide scale generated on the surface of the billet with high-pressure and high-speed high-pressure water to ensure the effectiveness and completeness of the numbering. However, the existing descaling mechanism requires clean circulating water or even desalted water to prevent pipeline blockage. This method has high requirements on water quality, water pressure, nozzles, electromagnetic on-off valves, water pumps and other devices, and at the same time consumes and wastes a lot of water resources and electricity.

[0003] In view of this, it is necessary to improve the dephosphorization device in the prior art to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to disclose a simple and efficient dephosphorization device for a billet continuous casting machine to solve the above technical problems. The device has low requirements on water quality, simple structure, high dephosphorization efficiency, cost saving, and reduced waste of water and electric energy.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a simple and efficient dephosphorization device for a billet head of a square billet continuous casting machine, comprising:

[0006] The water spray mechanism and the dephosphorization mechanism are arranged on the same side of the cooling bed, located at the end of the square billet to be sprayed, and arranged at intervals in the forward direction of the cooling bed. The water outlet of the water spray mechanism is arranged toward the billet head section, which is used to cool the billet head section and accelerate the cooling of the billet head section to generate regenerated oxidized iron scale. The dephosphorization head of the dephosphorization mechanism can contact the billet head section, which is used to clean the oxidized iron scale on the billet head section after cooling.

[0007] The mobile collection trolley is arranged just below the dephosphorization area of ​​the billet head section to collect the removed iron oxide slag.

[0008] As a further improvement of the utility model, the dephosphorization mechanism comprises:

[0009] A driving motor is mounted on one side of the cooling bed through a first mounting seat, and the center point of the output shaft of the driving motor is at the same height as the center point of the billet on the cooling bed;

[0010] The output shaft of the driving motor is connected to a connecting rod through a coupling, and a descaling head is arranged at the head end of the connecting rod.

[0011] As a further improvement of the utility model, the dephosphorization head comprises:

[0012] Two clamping steel plates are fixedly mounted on the head of the connecting rod, and a mounting cavity is formed between the two clamping steel plates;

[0013] A plurality of steel wire ropes are arranged in a line and fixed in the installation cavity, and the ends of the steel wire ropes are in contact with the cross section of the square billet; the cleaning area of ​​the dephosphorization head is larger than the cross section area of ​​the square billet.

[0014] As a further improvement of the utility model, the water spray mechanism includes a spray nozzle pipe, which is connected to a fixed cooling water pipeline through a metal hose, and the cooling water pipeline is installed with a solenoid valve for switching the cooling water on and off;

[0015] The nozzle pipe is mounted on one side of the cooling bed through a second mounting seat.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) A simple and efficient dephosphorization device for the billet head of a square billet continuous casting machine is composed of a dephosphorization mechanism, a water spraying mechanism and a mobile collection trolley. It has a simple structure, low dephosphorization cost, high dephosphorization efficiency, and reduces the waste of water and electric energy. It can remove the regenerated iron oxide scale from the square billet section before spraying. It has no high requirements on water quality, and fire water can meet the cooling requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a structural schematic diagram of a simple and efficient dephosphorization device for a billet head of a square billet continuous casting machine.

[0019] In the figure: 1, dephosphorization mechanism; 2, cooling bed; 3, square billet; 4, nozzle pipe; 11, driving motor; 12, connecting rod; 13, descaling head; 14, first mounting seat; 31, billet head section; 41, second mounting seat. DETAILED DESCRIPTION

[0020] The present invention is described in detail below in conjunction with the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these embodiments are all within the scope of protection of the present invention.

[0021] Please refer to Figure 1 The utility model shown is a specific implementation of a simple and efficient dephosphorization device for a billet head of a square billet continuous casting machine.

[0022] A simple and efficient dephosphorization device for a billet head of a continuous casting machine for a square billet 3 comprises a water spraying mechanism, a dephosphorization mechanism 1 and a power distribution control cabinet, wherein the water spraying mechanism and the dephosphorization mechanism 1 are arranged on the same side of a cooling bed 2, located at the end of the square billet 3 to be sprayed, and arranged at intervals in the forward direction of the cooling bed 2, the water outlet of the water spraying mechanism is arranged toward a billet head section 31, and is used for cooling the billet head section 31, accelerating the cooling of the billet head section 31 to generate regenerated oxidized iron scale, the dephosphorization head 13 of the dephosphorization mechanism 1 can contact the billet head section 31, and is used for cleaning the oxidized iron scale of the billet head section 31 after cooling; a mobile collection trolley is arranged directly below the dephosphorization zone of the billet head section 31 to collect the removed oxidized iron scale slag.

[0023] In this embodiment, the dephosphorization mechanism 1 includes: the driving motor 11 is a three-phase asynchronous motor, which is mounted on one side of the cooling bed 2 through a first mounting seat 14, and the center point of the output shaft of the driving motor 11 is at the same height as the center point of the blank 3 above the cooling bed 2; the output shaft of the driving motor 11 is connected to the connecting rod 12 through a coupling, and a descaling head is arranged at the head end of the connecting rod 12.

[0024] Specifically, the dephosphorization head 13 includes a clamped steel plate and a steel wire rope, wherein two clamped steel plates are arranged and fixedly mounted on the head of the connecting rod 12, and an installation cavity is formed between the two clamped steel plates; a plurality of steel wire ropes are arranged, which are relatively hard and are arranged in a line and fixedly mounted in the installation cavity, and the end of the steel wire rope is in contact with the cross-section of the square billet 3; the cleaning area of ​​the dephosphorization head 13 is larger than the area of ​​the cross-section of the square billet 3.

[0025] In this embodiment, the water spraying mechanism includes a nozzle pipe 4, which is connected to a fixed cooling water pipe through a metal hose. The cooling water pipe is equipped with a solenoid valve for switching the cooling water on and off. The nozzle pipe 4 is mounted on one side of the cooling bed 2 through a second mounting seat 41. The water spraying is automatically controlled to ensure that the red blank is quickly cooled to regenerate the oxidized iron scale.

[0026] The power distribution control cabinet includes the power distribution circuit and control circuit of the motor, and the power distribution and control circuit of the cooling water pipe solenoid valve. According to the periodic reciprocating motion law of the cooling bed 2 and the spraying cycle of the spraying machine, the motor is powered on during the spraying cycle for water cooling and mechanical descaling, which greatly reduces the loss of water energy and electric energy.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A simple and efficient dephosphorization device for billet head of a square billet continuous casting machine, characterized in that: include: The water spray mechanism and the dephosphorization mechanism are arranged on the same side of the cooling bed, located at the end of the square billet to be sprayed, and are arranged at intervals in the forward direction of the cooling bed. The water outlet of the water spray mechanism is arranged toward the billet head section, which is used to cool the billet head section and accelerate the cooling of the billet head section to generate regenerated iron oxide scale. The dephosphorization head of the dephosphorization mechanism can contact the billet head section, which is used to clean the iron oxide scale on the billet head section after cooling.

2. A simple and efficient dephosphorization device for billet head of a square billet continuous casting machine according to claim 1, characterized in that: The phosphorus removal mechanism comprises: A driving motor is mounted on one side of the cooling bed through a first mounting seat, and the center point of the output shaft of the driving motor is at the same height as the center point of the billet on the cooling bed; The output shaft of the driving motor is connected to a connecting rod through a coupling, and a descaling head is arranged at the head end of the connecting rod.

3. A simple and efficient dephosphorization device for billet head of a square billet continuous casting machine according to claim 2, characterized in that: The dephosphorization head comprises: Two clamping steel plates are fixedly mounted on the head of the connecting rod, and a mounting cavity is formed between the two clamping steel plates; A plurality of steel wire ropes are arranged in a line and fixed in the installation cavity, and the ends of the steel wire ropes are in contact with the cross section of the square billet; the cleaning area of ​​the dephosphorization head is larger than the cross section area of ​​the square billet.

4. A simple and efficient dephosphorization device for billet head of a square billet continuous casting machine according to claim 3, characterized in that: The water spray mechanism includes a spray nozzle pipe, which is connected to a fixed cooling water pipeline through a metal hose. The cooling water pipeline is equipped with a solenoid valve for switching the cooling water on and off. The nozzle pipe is mounted on one side of the cooling bed through a second mounting seat.

5. The simple and efficient dephosphorization device for billet head of a square billet continuous casting machine according to claim 1, characterized in that: The dephosphorization device also includes a mobile collection trolley, which is arranged just below the dephosphorization area of ​​the billet head section to collect the removed iron oxide scale slag.

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