一种用于PC轧机工作辊的湍流高效冷却装置

Abstract

一种用于PC轧机工作辊的湍流高效冷却装置，包括：上水箱，其对应上工作辊的正面为喷淋面，上水箱正面下部为与上工作辊辊面匹配的弧面，其与上工作辊辊面的间隙控制在5～30mm；上水箱正面上沿高度方向设若干排喷嘴；上水箱背面设第一偏转装置；上切水板，设于上水箱正面下部，上切水板正面与上工作辊贴合；下水箱，其对应下工作辊的正面为喷淋面，下水箱正面下部为与下工作辊辊面匹配的弧面，其与下工作辊辊面的间隙控制在5～30mm；下水箱正面上沿高度方向设若干排喷嘴，下水箱顶面对应下工作辊一侧为斜面，斜面设至少一排喷嘴；下水箱背面设第二偏转装置；下切水板，设置于下水箱正面下部，下切水板正面与下工作辊贴合。

Claims

1. A turbulent high efficiency cooling device for PC mill work rolls, characterized in that, include: The upper water tank has a spray surface corresponding to the front of the upper working roller. The lower part of the front of the upper water tank is an arc surface that matches the roller surface of the upper working roller, and the gap between the upper water tank and the roller surface of the upper working roller is controlled at 5~30mm. Several rows of nozzles are arranged along the height direction on the front of the upper water tank. The upper water tank is connected to a water source through an upper water inlet pipe. A first deflection device is provided on the back of the upper water tank. The spray surface of the upper water tank is a combination structure of arc surface and vertical surface. An upper water-cutting plate is located at the lower front of the upper water tank, and the front of the upper water-cutting plate is in contact with the upper working roller. The lower water tank has a spray surface on the front side corresponding to the lower working roller. The lower part of the front side of the lower water tank is an arc surface that matches the roller surface of the lower working roller, and the gap between the arc surface and the roller surface of the lower working roller is controlled at 5~30mm. Several rows of nozzles are arranged along the height direction on the front side of the lower water tank. The top surface of the lower water tank is a slope on the side corresponding to the lower working roller, and at least one row of nozzles is arranged on the slope. These nozzles correspond to the contact surface between the lower working roller and the steel plate. The lower water tank is connected to a water source through a lower water inlet pipe. A second deflection device is provided on the back side of the lower water tank. The spray surface of the lower water tank is a combination structure of arc and chamfered surface, i.e., slope. The nozzles on the chamfered surface correspond to the contact surface between the steel plate and the lower working roller. The lower water-cutting plate is located at the lower front of the lower water tank, and the front of the lower water-cutting plate is in contact with the lower working roller.

2. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 1 wherein, The upper and lower water tanks are equipped with at least four rows of nozzles on their front sides.

3. A turbulent high efficient cooling device for PC mill work rolls as claimed in claim 1 or 2, wherein, The spacing between nozzles in each row of nozzles on the front of the upper water tank is 45-60mm, and / or the spacing between nozzles in each row of nozzles on the front of the lower water tank is 45-60mm.

4. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 1 or 2 wherein, The nozzle diameter is 4~8mm.

5. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 3 wherein, The nozzle diameter is 4~8mm.

6. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 1 wherein, The first deflection device and the second deflection device each include: The base is located on the back side of the upper or lower water tank; Two support members are symmetrically arranged on the back of the upper or lower water tank. One end of the support member is connected to the back of the upper or lower water tank, and the other end is connected to a rotating gear. The rotating gear is pivotally connected to the base. A drive motor is mounted on a base, and its output end is equipped with a drive gear that meshes with a rotating gear.

7. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 1 wherein, The first deflection device and the second deflection device each include: The base is located on the back side of the upper or lower water tank; Two support members are symmetrically arranged on the back of the upper or lower water tank. One end of the support member is connected to the back of the upper or lower water tank, and the other end is connected to a driven synchronous pulley. The driven synchronous pulley is pivotally connected to the base. The drive motor is mounted on the base, and its output end is equipped with a driving synchronous pulley, which is connected to the driven synchronous pulley via a belt.

8. The turbulent high-efficiency cooling device for PC mill work rolls as described in claim 1, characterized in that, The first deflection device and the second deflection device each include: The base is located on the back side of the upper or lower water tank; Two support members are symmetrically arranged on the back of the upper or lower water tank. One end of the support member is connected to the back of the upper or lower water tank, and the other end is connected to a connecting rod, which is pivotally connected to the base. Two linear electric cylinders are symmetrically arranged on the base outside the two support members, and their output ends are connected to the back of the upper or lower water tank.

9. A turbulent high efficient cooling device for PC mill work rolls as claimed in claim 6 or 7 or 8 wherein, The support member is provided with elastic material to form an elastic support structure.

10. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 1 or 2 wherein, The upper and lower water tanks are respectively installed on the exit guide device of the PC rolling mill.

11. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 3 wherein, The upper and lower water tanks are respectively installed on the exit guide device of the PC rolling mill.

12. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 4 wherein, The upper and lower water tanks are respectively installed on the exit guide device of the PC rolling mill.

13. The turbulent high-efficiency cooling device for PC mill work rolls as described in claim 5, characterized in that, The upper and lower water tanks are respectively installed on the exit guide device of the PC rolling mill.

14. A turbulent high efficient cooling device for PC mill work roll as claimed in claim 6 or 7 or 8 wherein, The upper and lower water tanks are respectively installed on the exit guide device of the PC rolling mill.

Images