Temperature control device for controlling rolling temperature of steel billet

Abstract

The utility model discloses a temperature control device for controlling billet rolling temperature, which comprises a conveying mechanism, a support frame arranged inside the conveying mechanism, a nozzle frame fixedly connected to the upper end of the support frame, a nozzle fixedly connected to the inside of the nozzle frame, a connecting pipe fixedly connected to the front end of the nozzle frame, and a conveying pipeline fixedly connected to one end, far away from the nozzle frame, of the connecting pipe. And an electric appliance induction pneumatic valve is mounted on the conveying pipeline. When the device is used, the temperature difference between the head and the tail of a steel billet is not more than 30 DEG C, so that the requirements of tolerance dimension and physical properties of finished products are met, defective products are reduced, and the yield is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel rolling production, in particular to a temperature control device for controlling the rolling temperature of steel billets. Background Technique

[0002] In the continuous casting and rolling production process of steel billets in iron and steel companies, after continuous casting of steel billets, they are transported to the rolling production line through hot delivery roller tables for continuous casting and rolling production. Since it takes about 3 minutes from the casting of the continuous casting machine billet to shearing, the temperature difference between the head and tail of the steel billet is 90 °C, which leads to large fluctuations in the physical properties of hot-rolled steel bar products, resulting in large fluctuations in the tolerance dimensions of finished products, thus affecting the product quality. Content of the Utility Model

[0003] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a temperature control device for controlling the rolling temperature of steel billets.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: a temperature control device for controlling the rolling temperature of steel billets, including a conveying mechanism, a support frame is arranged inside the conveying mechanism, a spray head frame is fixedly connected to the upper end of the support frame, a spray head is fixedly connected inside the spray head frame, a connecting pipe is fixedly connected to the front end of the spray head frame, a conveying pipeline is fixedly connected to the end of the connecting pipe away from the spray head frame, and an electric induction pneumatic valve is installed on the conveying pipeline.

[0005] As a further description of the above technical scheme:

[0006] The conveying mechanism includes a conveying frame, conveying rollers, sprockets and chains. The upper end inside the conveying frame is fixedly connected to the support frame. The conveying rollers are rotatably connected inside the conveying frame. A plurality of conveying rollers are provided, and sprockets are fixedly connected to the front ends of the conveying rollers. Adjacent sprockets are connected by chains.

[0007] As a further description of the above technical scheme:

[0008] The spray head frame is in a square shape with a mouth shape, and a plurality of spray heads are provided and evenly distributed inside the spray head frame.

[0009] As a further description of the above technical scheme:

[0010] The connecting pipe is a metal hose.

[0011] As a further description of the above technical scheme:

[0012] A hot metal monitor is arranged at the rear side of the upper end of the conveying frame. There are two hot metal monitors, and they are symmetrically distributed on the left and right sides of the conveying pipeline.

[0013] As a further description of the above technical scheme:

[0014] An alignment baffle is fixedly connected to the upper end of the conveying frame, and four alignment baffles are provided, and the front and rear alignment baffles form a group.

[0015] The utility model has the following beneficial effects:

[0016] Compared with the prior art, the temperature control device for controlling the rolling temperature of the steel billet is provided with an electrical induction pneumatic valve, a conveying pipeline, a connecting pipe, a nozzle rack and a nozzle, and the conveying pipeline is connected to an external medium source (the medium can be water or cold air). At this time, the medium enters the conveying pipeline. When the hot continuous casting and rolling steel billet passes through the nozzle rack, the electrical induction pneumatic valve is opened, so that the medium inside the conveying pipeline enters the connecting pipe, then enters the nozzle rack, and finally is ejected out from the nozzle. At the same time, the electrical induction pneumatic valve is used to adjust the pressure and flow of the medium, thereby changing the amount of medium ejected from the nozzle, so as to achieve the purpose of temperature control, so that the temperature difference between the head and the tail of the steel billet is not more than 30°C, thereby ensuring the tolerance size and physical property requirements of the finished product, so as to reduce defective products and improve the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of the first perspective of a temperature control device and a conveying mechanism for controlling the rolling temperature of a steel billet proposed by the utility model;

[0018] Figure 2 The utility model proposes a temperature control device for controlling the rolling temperature of a steel billet. Figure 1 Enlarged view of part A in the middle;

[0019] Figure 3 This is a schematic structural diagram of a temperature control device and a conveying mechanism for controlling the rolling temperature of a steel billet proposed by the utility model from a second viewing angle;

[0020] Figure 4 The utility model proposes a temperature control device for controlling the rolling temperature of a steel billet. Figure 3 Enlarged view of part C in the middle;

[0021] Figure 5 This is a schematic diagram of the overall structure of a temperature control device for controlling the rolling temperature of a steel billet proposed by the utility model;

[0022] Figure 6 The utility model proposes a temperature control device for controlling the rolling temperature of a steel billet. Figure 5 Enlarged view of part B.

[0023] Legend:

[0024] 1. Conveying mechanism; 101. Conveying frame; 102. Conveying roller; 103. Sprocket; 104. Chain; 2. Conveying pipeline; 3. Electrical induction pneumatic valve; 4. Connecting pipe; 5. Nozzle rack; 6. Hot metal monitor; 7. Support frame; 8. Nozzle; 9. Alignment baffle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figures 1-6 The utility model provides a temperature control device for controlling the rolling temperature of a steel billet, comprising a conveying mechanism 1, a support frame 7 is arranged inside the conveying mechanism 1, a nozzle frame 5 is fixedly connected to the upper end of the support frame 7, a nozzle 8 is fixedly connected to the inside of the nozzle frame 5, a connecting pipe 4 is fixedly connected to the front end of the nozzle frame 5, and a conveying pipeline 2 is fixedly connected to the end of the connecting pipe 4 away from the nozzle frame 5, and an electrical induction pneumatic valve 3 is installed on the conveying pipeline 2.

[0027] Specifically, firstly, the conveying pipeline 2 is connected to an external medium source (the medium can be water or cold air), and then the medium enters into the conveying pipeline 2, and then the hot continuous casting and rolling billet is conveyed by the conveying mechanism 1. When the hot continuous casting and rolling billet passes through the nozzle rack 5, the electrical induction pneumatic valve 3 is opened, so that the medium in the conveying pipeline 2 enters into the connecting pipe 4, and then enters into the nozzle rack 5, and finally is ejected outward from the nozzle 8. At the same time, the electrical induction pneumatic valve 3 is used to adjust the pressure and flow of the medium, thereby changing the amount of medium ejected from the nozzle 8, so as to achieve the purpose of temperature control, so that the temperature difference between the head and the tail of the billet is not more than 30°C, thereby ensuring the tolerance size and physical property requirements of the finished product, so as to reduce defective products and improve the yield rate.

[0028] The conveying mechanism 1 includes a conveying frame 101, a conveying roller 102, a sprocket 103 and a chain 104. The upper end of the conveying frame 101 is fixedly connected to the support frame 7. The conveying frame 101 is rotatably connected to the conveying roller 102. There are multiple conveying rollers 102. The front end of the conveying roller 102 is fixedly connected to the sprocket 103. The adjacent sprockets 103 are connected by the chain 104. When working, the motor is connected to one of the conveying rollers 102. At this time, the motor can drive the conveying roller 102 to rotate, and then with the cooperation of the sprocket 103 and the chain 104, all the conveying rollers 102 can be driven to rotate at the same time, so that the conveying of hot continuous casting and rolling billets can be realized.

[0029] The nozzle holder 5 is in a square shape. A plurality of nozzles 8 are provided and evenly distributed inside the nozzle holder 5. During operation, by providing a plurality of nozzles 8, the medium can be sprayed around the hot continuous casting and rolling billet at this time, thereby improving the temperature control effect.

[0030] The connecting pipe 4 is a metal hose. During operation, since the connecting pipe 4 is a metal hose, it is convenient for the connecting pipe 4 to be docked.

[0031] At the rear side of the upper end of the conveying frame 101, a hot metal monitor 6 is provided. There are two hot metal monitors 6, and they are symmetrically distributed on the left and right sides of the conveying pipe 2. During operation, when the hot continuous casting and rolling billet moves to the hot metal detector, the signal transmitted by the hot metal detector is sent to the electrical induction pneumatic valve 3 on the conveying pipe 2, and the electrical induction pneumatic valve 3 acts to open and close according to when the billet reaches the nozzle holder 5.

[0032] The upper end of the conveying frame 101 is fixedly connected with alignment baffles 9. There are four alignment baffles 9, and the front and rear pairs of alignment baffles 9 are in a group. During operation, by providing the alignment baffles 9, under the action of the alignment baffles 9, it is convenient for the billet to enter the inside of the nozzle holder 5, and effectively prevents the billet from damaging the nozzle holder 5.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A temperature control device for controlling the rolling temperature of a steel billet, comprising a conveying mechanism (1), characterized in that: A support frame (7) is arranged inside the conveying mechanism (1), the upper end of the support frame (7) is fixedly connected to a nozzle frame (5), a nozzle (8) is fixedly connected inside the nozzle frame (5), a connecting pipe (4) is fixedly connected to the front end of the nozzle frame (5), and the end of the connecting pipe (4) away from the nozzle frame (5) is fixedly connected to a conveying pipeline (2), and an electrical induction pneumatic valve (3) is installed on the conveying pipeline (2).

2. A temperature control device for controlling the rolling temperature of a steel billet according to claim 1, characterized in that: The conveying mechanism (1) comprises a conveying frame (101), a conveying roller (102), a sprocket (103) and a chain (104); the upper end of the conveying frame (101) is fixedly connected to a support frame (7); the conveying frame (101) is rotatably connected to a conveying roller (102); a plurality of conveying rollers (102) are provided; a front end of the conveying roller (102) is fixedly connected to a sprocket (103); and two adjacent sprockets (103) are connected via a chain (104).

3. A temperature control device for controlling the rolling temperature of a steel billet according to claim 1, characterized in that: The nozzle rack (5) is in a square shape, and a plurality of nozzles (8) are provided and evenly distributed inside the nozzle rack (5).

4. A temperature control device for controlling the rolling temperature of a steel billet according to claim 1, characterized in that: The connecting pipe (4) is a metal hose.

5. A temperature control device for controlling the rolling temperature of a steel billet according to claim 2, characterized in that: A hot metal detector (6) is arranged at the rear side of the upper end of the conveying frame (101), and two hot metal detectors (6) are arranged and symmetrically distributed on the left and right sides of the conveying pipeline (2).

6. A temperature control device for controlling the rolling temperature of a steel billet according to claim 2, characterized in that: The upper end of the conveying frame (101) is fixedly connected with an alignment baffle (9), and four alignment baffles (9) are provided, and the front and rear alignment baffles (9) form a group.

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