Internal cooling pipeline blowdown structure of continuous casting fan-shaped section

Abstract

The utility model belongs to the technical field of steel plant continuous casting fan-shaped section off-line maintenance, and particularly relates to a continuous casting fan-shaped section internal cooling pipeline blowdown structure which comprises a continuous end machine body and a plug, branch pipes are evenly laid in the continuous end machine body, and a water way square pipe is transversely arranged below one end of the continuous end machine body. The end part of the water path square pipe is provided with a slag outlet, the size of the plug is matched with the internal size of the slag outlet, the end part of the plug is provided with an outer limiting plate, the size of the outer limiting plate is larger than that of the plug, and the outer limiting plate is arranged on the outer side of the water path square pipe. In the back washing process, the plug is opened, a large amount of accumulated slag and scale are discharged through the position, fine particles are continuously discharged through other drain outlets, the washing effect is guaranteed, and then the flow of the water cooling system can be guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of offline maintenance of continuous casting fan-shaped segments in steel plants, and in particular relates to a sewage discharge structure for cooling pipelines inside continuous casting fan-shaped segments. Background Art

[0002] The following problems may occur during offline maintenance of the fan segment: the fan segment has been in use for too long, and there is a lot of scale deposited inside the pipeline. Conventional cleaning methods cannot effectively remove impurities inside the pipeline. In the prior art, sewage is discharged from the water inlet and return outlet of the branch pipe. The diameter of the sewage outlet is small, and larger residues cannot be discharged through the sewage outlet. After being used online for a period of time, the flow rate of the core shaft water and the bearing seat water decreases, and the cooling effect becomes worse, resulting in a shorter service life of the roller and an increase in the number of maintenance times and costs. Summary of the invention

[0003] In view of the problems existing in the prior art, the purpose of the utility model is to provide a sewage discharge structure for the internal cooling pipe of a continuous casting sector segment. It can provide an improved method for sewage discharge of the internal cooling pipe of a continuous casting sector segment by adding a water sewage discharge method, which is particularly suitable for old sectors with serious internal pipe scaling.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A sewage discharge structure for an internal cooling pipe of a continuous casting sector segment comprises a continuous end body and a plug, wherein branch pipes are evenly laid inside the continuous end body, a water channel square pipe is horizontally arranged below one end of the continuous end body, a slag outlet is opened at the end of the water channel square pipe, the plug is adapted to the internal size of the slag outlet, an outer limit plate is arranged at the end of the plug, the size of the outer limit plate is larger than the plug, and the outer limit plate is placed outside the water channel square pipe.

[0006] Furthermore, a rubber sealing pad is sleeved on the surface of one end of the plug close to the outer limiting plate, and the cross-section of the rubber sealing pad is conical.

[0007] Furthermore, ear plates are symmetrically arranged on both sides of the outer limiting plate, locking bolts are penetrated through the surfaces of the ear plates, and non-return washers are sleeved on the surfaces of the locking bolts.

[0008] Furthermore, docking plates are symmetrically arranged on both sides of the water channel square tube, the docking plates correspond to the positions of the ear plates, and the ends of the locking bolts are screwed onto the docking plates.

[0009] Compared with the prior art, the beneficial effects of the utility model are: under the existing sewage discharge method, the sewage discharge of the main pipe is increased, a hole is opened at the bottom of the main pipe, and a plug is installed. During the backwashing process, the plug is opened, and a large amount of accumulated slag and scale are discharged through this position, and other sewage outlets continue to discharge fine particles, ensuring the flushing effect, and then the flow of the water cooling system can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0011] Figure 2 For the utility model Figure 1 Schematic diagram of the enlarged structure of the area;

[0012] Figure 3 It is a structural schematic diagram of the three-dimensional left-side structure of the plug of the utility model.

[0013] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0014] 1. Continuous end machine body; 2. Branch pipe; 3. Water channel square pipe; 4. Slag outlet; 5. Butt plate; 6. External limit plate; 7. Plug; 8. Rubber sealing pad; 9. Ear plate; 10. Locking bolt; 11. Check gasket. DETAILED DESCRIPTION

[0015] In order to make the purpose and advantages of the utility model more clear, the utility model is specifically described in combination with the following embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.

[0016] like Figure 1 and Figure 2 As shown, a sewage discharge structure of the internal cooling pipe of a continuous casting sector segment includes a continuous end body 1 and a plug 7. Branch pipes 2 are evenly laid inside the continuous end body 1. A water channel square pipe 3 is horizontally arranged below one end of the continuous end body 1. A slag outlet 4 is opened at the end of the water channel square pipe 3. The size of the slag outlet 4 is larger than the original sewage outlet to improve the slag discharge efficiency. The plug 7 is matched with the internal size of the slag outlet 4 to seal the slag outlet 4. An external limit plate 6 is arranged at the end of the plug 7. The size of the external limit plate 6 is larger than the plug 7. The plug 7 is limited. The external limit plate 6 is placed on the outside of the water channel square pipe 3.

[0017] like Figure 2 and Figure 3 As shown, a rubber sealing pad 8 is sleeved on the surface of one end of the plug 7 close to the outer limit plate 6. The cross-section of the rubber sealing pad 8 is conical. When the plug 7 goes deeper, the rubber sealing pad 8 on the conical surface can be squeezed to deform it and improve the sealing performance.

[0018] like Figure 2 and Figure 3As shown, ear plates 9 are symmetrically arranged on both sides of the outer limit plate 6, locking bolts 10 are penetrated through the surface of the ear plate 9, and non-return gaskets 11 are sleeved on the surface of the locking bolts 10. Docking plates 5 are symmetrically arranged on both sides of the water channel square tube 3, and the positions of the docking plates 5 and the ear plates 9 correspond. The ends of the locking bolts 10 are screwed onto the docking plates 5, and the locking bolts 10 are rotated to fix the outer limit plate 6 to ensure the sealing of the plug 7.

[0019] The working principle of the utility model is as follows: the plug 7 is pulled out to open the end of the slag outlet 4 so as to facilitate the discharge of sewage and residue inside through the slag outlet 4. After the sewage discharge is completed, the plug 7 can be reinstalled to keep the end of the slag outlet 4 sealed by the plug 7. The locking bolt 10 is screwed in so that the end of the locking bolt 10 can be squeezed through the cooperation of the inner threaded hole on the surface of the docking plate 5, and then the rubber sealing pad 8 with a conical cross-section is squeezed and deformed to improve the sealing performance.

[0020] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A sewage discharge structure for cooling pipes inside a continuous casting sector, comprising a continuous end machine body (1) and a plug (7), wherein branch pipes (2) are evenly laid inside the continuous end machine body (1), and characterized in that: A water channel square pipe (3) is transversely arranged below one end of the continuous end machine body (1); a slag outlet (4) is provided at the end of the water channel square pipe (3); the plug (7) is adapted to the internal dimensions of the slag outlet (4); an outer limit plate (6) is arranged at the end of the plug (7); the outer limit plate (6) is larger in size than the plug (7); and the outer limit plate (6) is placed outside the water channel square pipe (3).

2. The sewage discharge structure of the internal cooling pipeline of the continuous casting sector according to claim 1 is characterized in that: A rubber sealing pad (8) is sleeved on the surface of one end of the plug (7) close to the outer limiting plate (6); the cross section of the rubber sealing pad (8) is conical.

3. A sewage discharge structure for internal cooling pipes of continuous casting sectors according to claim 2, characterized in that: Ear plates (9) are symmetrically arranged on both sides of the outer limit plate (6), a locking bolt (10) penetrates the surface of the ear plate (9), and a non-return gasket (11) is sleeved on the surface of the locking bolt (10).

4. A sewage discharge structure for cooling pipes inside continuous casting sectors according to claim 3, characterized in that: The water channel square tube (3) is symmetrically provided with docking plates (5), the docking plates (5) correspond to the positions of the ear plates (9), and the ends of the locking bolts (10) are screwed onto the docking plates (5).

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