Novel laminar cooling pressure-stabilizing header device

Abstract

The utility model discloses a novel laminar flow cooling pressure stabilizing header device, which relates to the technical field of hot rolling laminar flow cooling headers and comprises a header main pipe, a flow stabilizing pipe and a filter screen, one end of the header main pipe is connected with a connecting hose through a connecting component, the other end of the connecting hose is connected with a connecting pipe, a pneumatic butterfly valve is mounted on the connecting pipe, and the filter screen is connected with the pneumatic butterfly valve. A plurality of upper spray pipes are connected to the header main pipe, a clamping ring is arranged at one end of the flow stabilizing pipe, a first clamping groove for clamping of the clamping ring is formed in one end of the header main pipe, a water outlet is formed in the flow stabilizing pipe, and the filter screen is clamped to one end of the header main pipe through a clamping assembly; through the arrangement of the flow stabilizing pipe, water sprayed by the plurality of spray pipes can be uniform, the quality of strip steel is ensured, the quality objection is reduced, production accidents caused by non-uniform cooling are reduced, and through the arrangement of the filter screen, the water can be filtered, and the blockage of the plurality of spray nozzles is reduced, so that the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot rolling laminar cooling headers, in particular to a novel laminar cooling pressure-stabilizing header device. Background Art

[0002] In the hot-rolled strip mill project, the strip cooling system of the strip production line utilizes low-pressure tubular laminar cooling technology. The laminar cooling unit is located after the finishing mill and before the downcoiler. To control the metallurgical properties of the strip, a laminar cooling unit is installed on the runout table. The cooling water manifold of the laminar cooling unit controls the number of water spray groups activated and adjusts the water volume based on strip thickness, steel grade, and rolling speed, cooling the strip from the final rolling temperature to the desired coiling temperature.

[0003] In cooling water manifolds, variations in the height and flow rate of cooling water injection lead to uneven cooling of the steel strip, affecting the mechanical properties of the product. Therefore, those skilled in the art have proposed a novel laminar cooling and pressure-stabilizing manifold device to address the issues raised in the background art. Utility Model Content

[0004] The purpose of the present invention is to provide a novel laminar cooling and pressure-stabilizing header device to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The new laminar cooling pressure stabilizing header device includes:

[0007] A manifold main pipe, one end of which is connected to a connecting hose via a connecting assembly, the other end of which is connected to a connecting pipe, a pneumatic butterfly valve is installed on the connecting pipe, and a plurality of upper nozzles are connected to the manifold main pipe;

[0008] A flow stabilizing pipe, wherein a clamping ring is provided at one end of the flow stabilizing pipe, a first clamping groove for the clamping ring to be engaged is provided at one end of the manifold main pipe, and a water outlet is provided on the flow stabilizing pipe;

[0009] The filter screen is clamped to one end of the header pipe through a clamping assembly.

[0010] Preferably, a mounting bracket is provided on the manifold main pipe, and mounting bolts are installed on the mounting bracket.

[0011] Preferably, a connecting ring is provided in the inner cavity of the manifold main pipe, and one end of the flow stabilizing tube is engaged in the connecting ring.

[0012] Preferably, the connecting assembly includes a first connecting head and a second connecting head, the first connecting head is connected to the manifold main pipe, the second connecting head is connected to one end of the connecting hose, a first connecting groove for the first connecting head to engage is provided in the second connecting head, an annular groove is provided on the first connecting head, a through hole is provided on the second connecting head, two side plates are provided at the through hole, and a fixing part is rotatably provided between the two side plates.

[0013] Preferably, the fixing portion includes an arc-shaped member and a shift plate, the arc-shaped member is rotatably connected between the two side plates, the shift plate is connected to the arc-shaped member, and the arc-shaped member is engaged in the annular groove.

[0014] Preferably, the locking assembly includes a U-shaped piece, a push block and an arc-shaped block. The U-shaped piece is connected to the filter screen, the push block is fixedly arranged at one end of the U-shaped piece, and a second locking groove for the U-shaped piece to be engaged is provided at one end of the manifold pipe. The arc-shaped block is connected to the U-shaped piece, and an arc-shaped groove for the arc-shaped block to be engaged is provided on one side of the second locking groove.

[0015] Preferably, a locking block is fixedly provided at the other end of the filter screen, and a second connecting groove for the locking block to be engaged is provided on one side of the first locking groove.

[0016] Preferably, a sealing ring is provided in the first connecting groove, and the sealing ring is in contact with and connected to the first connecting head.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The utility model can quickly install the header main pipe and the connecting hose through the setting of the connecting assembly, and is convenient for installing the flow stabilizing pipe or disassembling and cleaning the filter, which can improve maintenance efficiency.

[0019] 2. The utility model can make the water sprayed from several nozzles uniform by setting a flow stabilizing pipe, thereby ensuring the quality of the strip steel, reducing quality objections, and reducing production accidents caused by uneven cooling. In addition, the water can be filtered by setting a filter screen, reducing the blockage of several nozzles, thereby improving the cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of the novel laminar cooling and pressure-stabilizing header device in an embodiment of the present application;

[0021] Figure 2 This is a schematic diagram of the structure of the header pipe of the novel laminar cooling and pressure-stabilizing header device in the embodiment of the present application;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the header main of the novel laminar cooling and pressure-stabilizing header device in the embodiment of the present application;

[0023] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0024] Figure 5 for Figure 4 Enlarged view of point B in the middle.

[0025] In the figure: 1. manifold main; 2. connecting hose; 3. connecting pipe; 4. pneumatic butterfly valve; 5. nozzle; 6. flow stabilizing pipe; 7. snap ring; 8. first snap groove; 9. water outlet; 10. filter screen; 11. mounting bracket; 12. mounting bolt; 13. connecting ring; 14. first connector; 15. second connector; 16. first connecting groove; 17. annular groove; 18. through hole; 19. side plate; 20. arc-shaped member; 21. dial plate; 22. U-shaped member; 23. push block; 24. arc-shaped block; 25. arc groove; 26. snap ring; 27. second connecting groove; 28. sealing ring; 29. ​​second snap groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0028] The new laminar cooling pressure stabilizing header device includes:

[0029] The manifold main pipe 1 has one end connected to a connecting hose 2 through a connecting assembly. The connecting assembly includes a first connector 14 and a second connector 15. The first connector 14 is connected to the manifold main pipe 1, and the second connector 15 is connected to one end of the connecting hose 2. A first connecting groove 16 for engaging the first connector 14 is provided in the second connector 15. An annular groove 17 is provided on the first connector 14, and a through hole 18 is provided on the second connector 15. Two side plates 19 are provided at the through hole 18. A fixing portion is rotatably provided between the two side plates 19. The fixing portion includes an arc-shaped member 20 and a dial plate 21. The arc-shaped member 20 is rotatably connected between the two side plates 19. The dial plate 21 is connected to the arc-shaped member 20. The arc-shaped member 20 is engaged in the annular groove 17. The other end of the connecting hose 2 is connected to a connecting pipe 3. A pneumatic butterfly valve 4 is installed on the connecting pipe 3. A plurality of upper nozzles 5 are connected to the manifold main pipe 1.

[0030] When connecting the manifold main 1 to the connecting hose 2, the first connector 14 is connected to the first connecting groove 16 of the second connector 15. Then, the dial 21 is rotated, and the arc-shaped member 20 is rotated and engaged in the annular groove 17, thereby engaging the first connector 14 with the second connector 15.

[0031] Furthermore, a mounting frame 11 is provided on the manifold main pipe 1 , and mounting bolts 12 are installed on the mounting frame 11 . The mounting bolts 12 are used to install and fix the mounting frame 11 , and the mounting frame 11 can support the manifold main pipe 1 .

[0032] A flow stabilizing tube 6 is provided with a snap ring 7 at one end of the flow stabilizing tube 6, a first snap groove 8 for snap ring 7 to snap into is provided at one end of the header main pipe 1, a water outlet 9 is provided on the flow stabilizing tube 6, a connecting ring 13 is provided in the inner cavity of the header main pipe 1, and one end of the flow stabilizing tube 6 is snapped into the connecting ring 13;

[0033] When cooling the steel strip, the pneumatic butterfly valve 4 is opened, and water enters the connecting hose 2 through the connecting pipe 3, then enters the flow stabilizing pipe 6 through the connecting hose 2, and then is discharged through the water outlet 9 on the flow stabilizing pipe 6. The water is then sprayed out through the plurality of nozzles 5 to cool the steel strip. The arrangement of the flow stabilizing pipe 6 allows the water sprayed from the plurality of nozzles 5 to be uniform, thereby ensuring the quality of the steel strip, reducing quality issues, and reducing production accidents caused by uneven cooling.

[0034] When the flow stabilizing tube 6 is installed, the clamping ring 7 at one end of the flow stabilizing tube 6 is clamped in the first clamping groove 8 at one end of the header main pipe 1 .

[0035] The filter screen 10 is clamped to one end of the manifold main pipe 1 through a clamping assembly. The clamping assembly includes a U-shaped piece 22, a push block 23 and an arc-shaped block 24. The U-shaped piece 22 is connected to the filter screen 10. The push block 23 is fixed to one end of the U-shaped piece 22. A second clamping groove 29 for the U-shaped piece 22 to be clamped is provided at one end of the manifold main pipe 1. The arc-shaped block 24 is connected to the U-shaped piece 22. An arc groove 25 for the arc block 24 to be clamped is provided on one side of the second clamping groove 29. A clamping block 26 is fixed to the other end of the filter screen 10. A second connecting groove 27 for the clamping block 26 to be clamped is provided on one side of the first clamping groove 8.

[0036] When installing the filter 10, first engage the engaging block 26 at one end of the filter 10 into the second connecting groove 27, then engage the U-shaped member 22 into the second engaging groove 29, and engage the arc-shaped block 24 on the U-shaped member 22 into the arc-shaped groove 25. The filter 10 can be engaged with one end of the manifold main 1, making it easier to install the filter 10. The installation of the filter 10 can filter water, reduce the blockage of several nozzles, and thus improve the cooling efficiency.

[0037] When the filter 10 is to be disassembled, the push block 23 is moved to remove the U-shaped member 22 from the second engaging groove 29 , and then the arc block 2 is removed from the arc groove 25 , and the filter 10 can be disassembled.

[0038] On the basis of the above embodiment, a sealing ring 28 is provided in the first connecting groove 16 , and the sealing ring 28 is in contact with and connected to the first connecting head 14 .

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may 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. New laminar cooling and pressure stabilizing header device, characterized by: include: A manifold main pipe (1), one end of the manifold main pipe (1) is connected to a connecting hose (2) via a connecting assembly, the other end of the connecting hose (2) is connected to a connecting pipe (3), a pneumatic butterfly valve (4) is installed on the connecting pipe (3), and a plurality of upper spray pipes (5) are connected to the manifold main pipe (1); A flow stabilizing pipe (6), wherein a clamping ring (7) is provided at one end of the flow stabilizing pipe (6), a first clamping groove (8) for the clamping ring (7) to be clamped is provided at one end of the manifold main pipe (1), and a water outlet (9) is provided on the flow stabilizing pipe (6); A filter screen (10) is clamped to one end of the manifold main pipe (1) via a clamping assembly.

2. The novel laminar cooling and pressure stabilizing header device according to claim 1 is characterized in that: A mounting frame (11) is provided on the header main pipe (1), and mounting bolts (12) are installed on the mounting frame (11).

3. The novel laminar cooling and pressure stabilizing header device according to claim 1 is characterized in that: The inner cavity of the manifold main pipe (1) is provided with a connecting ring (13), and one end of the flow stabilizing pipe (6) is engaged in the connecting ring (13).

4. The novel laminar cooling and pressure stabilizing header device according to claim 1 is characterized in that: The connecting assembly includes a first connecting head (14) and a second connecting head (15), wherein the first connecting head (14) is connected to the manifold main pipe (1), and the second connecting head (15) is connected to one end of the connecting hose (2). A first connecting groove (16) for engaging with the first connecting head (14) is provided in the second connecting head (15), an annular groove (17) is provided on the first connecting head (14), and a through hole (18) is provided on the second connecting head (15), and two side plates (19) are provided at the through hole (18), and a fixing portion is rotatably provided between the two side plates (19).

5. The novel laminar cooling and pressure stabilizing header device according to claim 4 is characterized in that: The fixing portion includes an arc-shaped member (20) and a shift plate (21), wherein the arc-shaped member (20) is rotatably connected between the two side plates (19), the shift plate (21) is connected to the arc-shaped member (20), and the arc-shaped member (20) is engaged in the annular groove (17).

6. The novel laminar cooling and pressure stabilizing header device according to claim 1 is characterized in that: The engaging assembly comprises a U-shaped piece (22), a push block (23) and an arc-shaped piece (24); the U-shaped piece (22) is connected to the filter screen (10); the push block (23) is fixed to one end of the U-shaped piece (22); one end of the manifold main pipe (1) is provided with a second engaging groove (29) for engaging with the U-shaped piece (22); the arc-shaped piece (24) is connected to the U-shaped piece (22); and one side of the second engaging groove (29) is provided with an arc-shaped groove (25) for engaging with the arc-shaped piece (24).

7. The novel laminar cooling and pressure stabilizing header device according to claim 1 is characterized in that: A snap-fit ​​block (26) is fixedly provided at the other end of the filter screen (10), and a second connecting groove (27) for snap-fitting the snap-fit ​​block (26) is provided on one side of the first snap-fit ​​groove (8).

8. The novel laminar cooling and pressure stabilizing header device according to claim 4 is characterized in that: A sealing ring (28) is provided in the first connecting groove (16), and the sealing ring (28) is in contact with and connected to the first connecting head (14).

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