Quick-change type cooling temperature control device for hot rolling production line

Abstract

The invention relates to the technical field of hot rolling, and discloses a quick-change type cooling temperature control device for a hot rolling production line, the quick-change type cooling temperature control device for the hot rolling production line comprises a water source branch pipe, the interior of the water source branch pipe is communicated with an electric control valve, and a flow quantitative control instrument is arranged on one side of the electric control valve; the quick assembly is arranged at one end of the water source branch pipe, the quick assembly comprises a first connector, a second connector, a connecting groove and an inserting plate, one end of the water source branch pipe is communicated with the first connector, the second connector is arranged at one end of the first connector, and the connecting groove is formed in the first connector. The quick-change type cooling temperature control device for the hot rolling production line has the advantages that on the premise of not occupying more basic space, after the quick-change type cooling temperature control device is flexibly and quickly installed on site, red steel is cooled and subjected to temperature control by adjusting the spraying amount and pressure of cooling water, and the requirement for special steel product performance is met.

Description

Technical Field

[0001] The present invention relates to the technical field of hot rolling, and particularly to a quick-change type cooling and temperature control device for a hot rolling production line. Background Technique

[0002] Hot rolling is a metal processing technology that is carried out above the recrystallization temperature of the metal. It has the advantages of low energy consumption, improved processing performance, and high production efficiency. Hot rolling production lines are widely used in the steel industry to produce hot-rolled strip steel, hot-rolled steel plates and other hot-rolled products, and these products have a wide range of application fields, such as construction, machinery, automobiles, ships, bridges, etc.

[0003] Among hot-rolled products, there are special steel grades with high value, and it is necessary to control the temperature of the red-hot steel online. Some of the existing ones are layout-planned and installed with professional complete sets of cooling water tanks during the initial construction of the rolling line. Its operation involves basic planning, main equipment design, installation and commissioning, etc., with relatively high technical difficulty and overall investment cost. Once the complete set of cooling water tanks is installed, its position is relatively fixed, and it is difficult to flexibly adjust according to production needs, and the flexibility of use is limited. At the same time, for existing production lines that do not have the conditions, there is not enough space to install complete sets of equipment, and it is difficult to meet the cooling requirements of special steel grades and continuous and stable production, affecting product quality and production efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a quick-change type cooling and temperature control device for a hot rolling production line to solve the problems of relatively high technical difficulty and poor flexibility of use of the complete set of cooling water tanks.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A quick-change type cooling and temperature control device for a hot rolling production line, including a water source branch pipe, an electric control valve is connected inside the water source branch pipe, and a flow quantitative control instrument is arranged on one side of the electric control valve; a quick-installation component arranged at one end of the water source branch pipe, the quick-installation component includes a first joint, a second joint, a connection groove and a plug board, one end of the water source branch pipe is connected to the first joint, a second joint is arranged at one end of the first joint, a connection groove is opened inside the first joint, and a plug board is arranged on the inner side of the connection groove; a cooling component arranged at one end of the second joint, the cooling component includes a special-shaped water pipe, a spray box, a nozzle and a locking screw, a special-shaped water pipe is arranged at one end of the second joint, spray boxes are connected to both ends of the special-shaped water pipe, nozzles are connected inside the spray box, and locking screws are arranged on both sides of the special-shaped water pipe.

[0006] Preferably, one end of the plug board is fixedly connected with a control rod, a spring is welded at the bottom of the plug board, and a limit sleeve is arranged on the outer side of the control rod.

[0007] Preferably, a limiting groove is formed inside the second joint, and the inner side of the limiting groove is fixedly connected to the outer side of the limiting sleeve.

[0008] Preferably, a fixing ring is arranged at the top of the limiting groove, and the bottom of the fixing ring is fixedly connected to the outer side of the second joint.

[0009] Preferably, a connecting water pipe is arranged at one end of the second joint, and fixing columns are arranged on both sides of the special-shaped water pipe.

[0010] Preferably, a clamping plate is fixedly connected to one side of the fixing column, and a positioning hole is formed inside the clamping plate.

[0011] Preferably, a sliding block is slidably connected to the outer side of the clamping plate, and a positioning bolt is arranged inside the sliding block.

[0012] Preferably, support frames are fixedly connected to both sides of the sliding block, and a connecting frame is arranged on the outer side of the support frames.

[0013] Preferably, a mounting plate is fixedly connected to one side of the connecting frame, and a through hole is formed inside the mounting plate.

[0014] Preferably, a thermometer is arranged on one side of the special-shaped water pipe, a storage cabinet is arranged on the outer side of the flow rate quantitative control instrument, and a temperature display is arranged inside the storage cabinet.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. By setting the quick-installation component, the present invention can quickly realize connection or disassembly. Through multiple control rods, limiting grooves, springs, etc., it is convenient to control the insertion and clamping of the insertion plate in the connection groove, so as to realize the connection and fixation of the first joint and the second joint. Through the cooperation of two groups of first joints and second joints, the connection of the water source branch pipe, the connecting water pipe and the special-shaped water pipe is realized, which is convenient for flexible installation and disassembly without occupying too much basic space.

[0017] 2. By setting the cooling component, the present invention is convenient for the transportation and spraying of cooling water. The special-shaped water pipe and the nozzle are supported by fixing columns, clamping plates, support frames, mounting plates and locking screws, etc., and are installed on the outlet guide plate of the rolling mill. At the same time, the installation height can be adjusted to adapt to different installation positions. According to the measured temperature of the red-hot steel, the water flow is increased or decreased. Through the cooperation of the electric control valve and the flow rate quantitative control instrument, the spraying amount of the cooling water can be adjusted to cool and control the temperature of the red-hot steel, so as to meet the requirements of the properties of special steel products and achieve fast and accurate and efficient temperature control. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1Schematic structural diagram of a preferred embodiment of the quick-change cooling temperature control device for a hot rolling production line provided by the present invention;

[0019] Figure 2 For Figure 1 Schematic structural diagram of the first joint and the connecting groove shown;

[0020] Figure 3 For Figure 2 Enlarged schematic structural diagram of the part A shown;

[0021] Figure 4 For Figure 1 Schematic structural diagram of the limiting groove and the fixing ring shown;

[0022] Figure 5 For Figure 1 Schematic structural diagram of the cooling assembly shown;

[0023] Figure 6 For Figure 1 Schematic structural diagram of the fixing column and the support frame shown;

[0024] Figure 7 For Figure 1 Schematic structural diagram of the connecting frame and the mounting plate shown.

[0025] Reference numerals in the figure: 1, water source branch pipe; 2, electric control valve; 3, flow quantitative control instrument; 4, quick installation assembly; 41, first joint; 42, second joint; 43, connecting groove; 44, insertion plate; 5, cooling assembly; 51, special-shaped water pipe; 52, spray box; 53, nozzle; 54, locking screw; 6, control rod; 7, spring; 8, limiting sleeve; 9, limiting groove; 10, fixing ring; 11, connecting water pipe; 12, fixing column; 13, clamping plate; 14, positioning hole; 15, sliding block; 16, positioning bolt; 17, support frame; 18, connecting frame; 19, mounting plate; 20, through hole; 21, temperature measuring instrument; 22, storage cabinet; 23, temperature display. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figure 1-7As shown in the figure, a quick-change cooling temperature control device for a hot rolling production line includes a water source branch pipe 1. An electric control valve 2 is connected to the inside of the water source branch pipe 1. The electric control valve 2 is installed on the water source branch pipe 1 to control the water flow. The electric control valve 2 is connected to a flow rate quantitative control instrument 3 to ensure normal signal transmission. A flow rate quantitative control instrument 3 is arranged on one side of the electric control valve 2. By setting the target flow rate parameter through the flow rate quantitative control instrument 3, a control signal is automatically sent to the electric control valve 2 according to the set target flow rate. After receiving the signal, the electric control valve 2 will adjust the opening of the valve, thereby changing the water flow rate to achieve the control of increasing or decreasing the water flow rate;

[0028] A quick-installation component 4 is arranged at one end of the water source branch pipe 1. The quick-installation component 4 includes a first joint 41, a second joint 42, a connection groove 43 and an insertion plate 44. One end of the water source branch pipe 1 is connected to a first joint 41. A second joint 42 is arranged at one end of the first joint 41. The two groups of first joints 41 and second joints 42 play a connecting role. Through the clamping of multiple insertion plates 44 and the connection groove 43, the connection and installation of the first joint 41 and the second joint 42 are realized. A connection groove 43 is opened inside the first joint 41, and an insertion plate 44 is arranged on the inner side of the connection groove 43. Through the clamping of multiple insertion plates 44 and the connection groove 43, the connection and installation of the first joint 41 and the second joint 42 are realized, and at the same time, it is convenient for flexible disassembly;

[0029] A cooling component 5 is arranged at one end of the second joint 42. The cooling component 5 includes a special-shaped water pipe 51, a spray box 52, a nozzle 53 and a locking screw 54. A special-shaped water pipe 51 is arranged at one end of the second joint 42. Spray boxes 52 are connected to both ends of the special-shaped water pipe 51. Nozzles 53 are connected to the inside of the spray box 52. Cooling water is sprayed through the spray box 52 and the nozzle 53 to achieve cooling temperature control. Locking screws 54 are arranged on both sides of the special-shaped water pipe 51. The special-shaped water pipe 51 is supported and fixed through the locking screws 54, which is convenient for installing the special-shaped water pipe 51 on the outlet guide plate of the rolling mill, and at the same time, the installation height can be adjusted to adapt to different installation positions;

[0030] In the specific implementation process, as Figure 1 、 Figure 2 and Figure 3 shown, a control rod 6 is fixedly connected to one end of the insertion plate 44, and a spring 7 is welded to the bottom of the insertion plate 44. The insertion plate 44 and the control rod 6 are supported through the spring 7. A limit sleeve 8 is arranged on the outer side of the control rod 6. The control rod 6 is limited through the limit sleeve 8 to improve the operation stability. When the control rod 6 is pressed down, the spring 7 is compressed, and at the same time, the insertion plate 44 descends, which is convenient for inserting the insertion plate 44 into the connection groove 43. When the pressing on the control rod 6 is released, the spring 7 resets, driving the insertion plate 44 to rise, and then the insertion plate 44 is clamped with the connection groove 43, quickly realizing the installation and connection of the first joint 41 and the second joint 42, and at the same time, it is convenient for flexible disassembly.

[0031] Reference Figure 2 、 Figure 3 and Figure 4 As shown in , and , a limiting groove 9 is formed inside the second joint 42. By providing the limiting groove 9 corresponding to the connecting groove 43 inside the second joint 42, when the first joint 41 and the second joint 42 are connected, the inside of the connecting groove 43 and the limiting groove 9 are in communication. The limiting sleeve 8 is fixed in the limiting groove 9, and the inner side of the limiting groove 9 is fixedly connected to the outer side of the limiting sleeve 8.

[0032] A fixing ring 10 is provided at the top of the limiting groove 9. The bottom of the fixing ring 10 is fixedly connected to the outer side of the second joint 42. At the same time, the fixing ring 10 is fixed on the outer side of the second joint 42, and the inner ring of the fixing ring 10 is in communication with the inside of the limiting groove 9. One end of the spring 7 is welded to the bottom of the inner cavity of the limiting groove 9.

[0033] Reference Figure 1 、 Figure 5 and Figure 6 As shown in , and , a connecting water pipe 11 is provided at one end of the second joint 42. Both ends of the connecting water pipe 11 are respectively in communication with the second joint 42 and the first joint 41. One end of the special-shaped water pipe 51 is in communication with the second joint 42. Through the cooperation of the first joint 41 at one end of the connecting water pipe 11 and the second joint 42 at one end of the special-shaped water pipe 51, the connecting water pipe 11 and the special-shaped water pipe 51 are connected or detached. Fixing columns 12 are provided on both sides of the special-shaped water pipe 51, and the fixing columns 12 are installed and fixed on the outlet guide plate of the rolling mill.

[0034] A clamping plate 13 is fixedly connected to one side of the fixing column 12, and a positioning hole 14 is formed inside the clamping plate 13.

[0035] A sliding block 15 is slidably connected to the outer side of the clamping plate 13, and a positioning bolt 16 is provided inside the sliding block 15. Clamping plates 13 and sliding blocks 15 are installed on both groups of fixing columns 12, which facilitates controlling the sliding block 15 to move up and down on the clamping plate 13 according to the height requirement, and fixing the sliding block 15 under the cooperation of the positioning hole 14 and the positioning bolt 16, so as to facilitate determining the required height position.

[0036] Reference Figure 6 and Figure 7 As shown in and , support frames 17 are fixedly connected to both sides of the sliding block 15, and a connecting frame 18 is provided on the outer side of the support frames 17. Both ends of the two support frames 17 are respectively fixedly connected to one side of the two sliding blocks 15. The connecting frame 18 is installed and fixed through the cooperation of the support frames 17 and bolts, so that the two connecting frames 18 are respectively fixed on the two support frames 17, thereby supporting the mounting plate 19.

[0037] One side of the connecting frame 18 is fixedly connected with a mounting plate 19. A through hole 20 is formed inside the mounting plate 19. Under the action of the through hole 20, it is convenient for the locking screw 54 to be fixedly supported on the mounting plate 19 through a nut, so as to adjust the height of the locking screw 54, which is convenient for the support and positioning of the special-shaped water pipe 51 to adapt to different installation positions.

[0038] Reference Figure 1 As shown, a thermometer 21 is arranged on one side of the special-shaped water pipe 51, a storage cabinet 22 is arranged outside the flow rate quantitative control instrument 3, and a temperature display 23 is arranged inside the storage cabinet 22. The thermometer 21 is installed on the ground on the outlet side of the rolling mill, and the measurement angle is adjusted. The thermometer 21 is convenient for measuring the temperature of the red-hot steel, and the storage cabinet 22 is convenient for the stable installation and placement of the flow rate quantitative control instrument 3 and the temperature display 23.

[0039] Working principle: When in use, install the electric control valve 2 on the water source branch pipe 1 to control the water flow. Connect the electric control valve 2 to the flow rate quantitative control instrument 3 to ensure normal signal transmission. Install the temperature measuring instrument 21 on the ground on the outlet side of the rolling mill and adjust the measuring angle. Place the temperature display 23 of the flow rate quantitative control instrument 3 and the temperature measuring instrument 21 in the storage cabinet 22. Install and fix two groups of fixing columns 12 on the outlet guide plate of the rolling mill. Through the cooperation of the sliding block 15 and the clamping plate 13, adjust the height of the support frame 17 and fix it through the positioning hole 14 and the positioning bolt 16. Install and fix the connecting frame 18 through the cooperation of the support frame 17 and the bolt, so that the two connecting frames 18 are respectively fixed on the two support frames 17, and then support the mounting plate 19. Under the action of the through hole 20, it is convenient to fix and support the locking screw 54 on the mounting plate 19 through the nut, and then adjust the height of the locking screw 54, which is convenient to support and position the special-shaped water pipe 51 with the spray box 52 and the nozzle 53, and install and fix it on the outlet guide plate of the rolling mill to adapt to different installation positions. The two ends of the connecting water pipe 11 are respectively communicated with a second joint 42 and a first joint 41. One end of the water source branch pipe 1 is fixedly communicated with the first joint 41, and one end of the special-shaped water pipe 51 is connected to the second joint 42. The first joint 41 at the water source branch pipe 1 is communicated with the second joint 42 end of the connecting water pipe 11, and the second joint 42 at the special-shaped water pipe 51 is connected to the first joint 41 end of the connecting water pipe 11, thus realizing the connection of the water source branch pipe 1, the connecting water pipe 11 and the special-shaped water pipe 51. When performing the connection operation, press down the control rod 6 at the second joint 42, so that the insertion plate 44 descends in the limit groove 9 and compresses the spring 7. Control to completely insert the insertion plate 44 into the connection groove 43 of the first joint 41. At this time, the first joint 41 contacts the second joint 42. When releasing the pressing on the control rod 6, the spring 7 resets and drives the insertion plate 44 to rise, so that the insertion plate 44 is clamped with the connection groove 43, quickly realizing the installation and connection of the first joint 41 and the second joint 42, and at the same time being convenient for flexible disassembly. The temperature measuring instrument 21, the electric control valve 2 and the flow rate quantitative control instrument 3 are powered on, and the water source branch pipe 1 is filled with water. Measure the temperature of the red-hot steel through the temperature measuring instrument 21, set the target flow rate parameter through the flow rate quantitative control instrument 3, and automatically send a control signal to the electric control valve 2 according to the set target flow rate. After receiving the signal, the electric control valve 2 will adjust the opening of the valve, thereby changing the water flow rate to control the increase or decrease of the water flow rate according to the demand. Through the connecting water pipe 11, the special-shaped water pipe 51 and the spray box 52, etc., it is convenient to transport the cooling water to the nozzle 53 and spray it out to realize cooling and temperature control. After use, turn off the flow rate quantitative control instrument 3 and remove the locking screw 54, which is convenient to disassemble the special-shaped water pipe 51. The operation is convenient and flexible, the use cost is relatively low, and the whole process does not require shutdown and does not affect the production output.

[0040] It should be noted that, in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-change cooling and temperature control device for a hot rolling production line, comprising a water source branch pipe (1), characterized in that: The water source branch pipe (1) is internally connected to an electric regulating valve (2), and a flow quantitative controller (3) is provided on one side of the electric regulating valve (2); A quick-install component (4) is arranged at one end of the water source branch pipe (1), the quick-install component (4) comprising a first joint (41), a second joint (42), a connection groove (43) and a plug plate (44); one end of the water source branch pipe (1) is connected to the first joint (41), one end of the first joint (41) is provided with the second joint (42), the first joint (41) is provided with a connection groove (43) inside, and the inner side of the connection groove (43) is provided with a plug plate (44); A cooling assembly (5) is arranged at one end of the second joint (42), the cooling assembly (5) comprising a special-shaped water pipe (51), a spray box (52), a nozzle (53) and a locking screw (54); one end of the second joint (42) is provided with a special-shaped water pipe (51), both ends of the special-shaped water pipe (51) are connected to the spray box (52), the interior of the spray box (52) is connected to the nozzle (53), and both sides of the special-shaped water pipe (51) are provided with locking screws (54).

2. A quick-change cooling and temperature control device for a hot rolling production line according to claim 1, characterized in that: One end of the plug plate (44) is fixedly connected to a control rod (6), a spring (7) is welded to the bottom of the plug plate (44), and a limiting sleeve (8) is arranged on the outer side of the control rod (6).

3. The quick-change cooling and temperature control device for a hot rolling production line according to claim 1, characterized in that: A limiting groove (9) is provided inside the second joint (42), and the inner side of the limiting groove (9) is fixedly connected to the outer side of the limiting sleeve (8).

4. The quick-change cooling and temperature control device for a hot rolling production line according to claim 3, characterized in that: A fixing ring (10) is provided at the top of the limiting groove (9), and the bottom of the fixing ring (10) is fixedly connected to the outer side of the second joint (42).

5. The quick-change cooling and temperature control device for a hot rolling production line according to claim 1, characterized in that: One end of the second joint (42) is provided with a connecting water pipe (11), and both sides of the special-shaped water pipe (51) are provided with fixing columns (12).

6. A quick-change cooling and temperature control device for a hot rolling production line according to claim 5, characterized in that: A clamping plate (13) is fixedly connected to one side of the fixing column (12), and a positioning hole (14) is provided inside the clamping plate (13).

7. A quick-change cooling and temperature control device for a hot rolling production line according to claim 6, characterized in that: The outer side of the clamping plate (13) is slidably connected to a sliding block (15), and a positioning bolt (16) is arranged inside the sliding block (15).

8. The quick-change cooling and temperature control device for hot rolling production line according to claim 7, characterized in that: Both sides of the sliding block (15) are fixedly connected to support frames (17), and a connecting frame (18) is arranged on the outer side of the support frame (17).

9. A quick-change cooling and temperature control device for a hot rolling production line according to claim 8, characterized in that: A mounting plate (19) is fixedly connected to one side of the connecting frame (18), and a through hole (20) is provided inside the mounting plate (19).

10. The quick-change cooling and temperature control device for hot rolling production line according to claim 1, characterized in that: A temperature measuring instrument (21) is arranged on one side of the special-shaped water pipe (51), a storage cabinet (22) is arranged on the outside of the flow quantitative controller (3), and a temperature display (23) is arranged inside the storage cabinet (22).

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