Secondary cooling nozzle test bed of billet continuous casting machine
By designing the test bench for the second cold nozzle of the small square billet continuous casting machine, the problem of unsatisfactory water spraying effect caused by the residual blockage of the nozzle after clearing the blockage is solved, effective detection of the second cold nozzle is achieved, and the quality and detection of the casting billet are improved. efficiency.
Patent Information
- Application Number
- CN202420878373.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-25
AI Technical Summary
In the installation and use of the second-cold nozzle after the clearing, residual blockage is prone to occur, resulting in unsatisfactory water spraying effect and atomization degree, which affects the quality of the casting billet.
A small square continuous casting machine two-cold nozzle test bench was designed, including a bracket, nozzle mount, main air intake pipeline and main water intake pipeline, which can be ventilated and watered at the same time, equipped with a water pressure detection meter and water flow rate The test table supports multiple nozzles to test simultaneously. By connecting the bent pipe to the external air source and water source, the nozzle mounting seat is fixed with bolts to achieve effective nozzle detection.
Effectively detect the pass rate after the second-cold nozzle is cleared and blocked, ensure the water spraying effect and atomization degree, improve the quality of the casting billet, and is simple in structure and convenient to use, suitable for simultaneous detection of multiple nozzles.
Smart Images
Figure CN222133392U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metallurgical machinery, in particular to a secondary cooling nozzle test bench for a small square billet continuous casting machine. Background Art
[0002] The secondary cooling spray system of the continuous casting machine is the core part of the continuous casting machine and plays an extremely critical role in the quality of the ingot. The secondary cooling nozzle directly faces the surface of the ingot to cool the ingot. There are strict requirements on the water spray volume, atomization degree and spray angle. Once the nozzle is blocked, it must be replaced immediately.
[0003] Generally, after the nozzle is blocked, it needs to be cleared manually before it can be put back online for use. However, residual blockages often remain during the clearing process, resulting in unsatisfactory water spraying effect and atomization degree when it is put back online for use, affecting the quality of the casting. Summary of the invention
[0004] In view of the above problems, the purpose of the utility model is to provide a secondary cooling nozzle test bench for a small square billet continuous casting machine, which is used to detect the qualified rate of the secondary cooling nozzle after clearing the blockage, has the effect of simultaneous ventilation and water flow during the test, and can test multiple nozzles at the same time.
[0005] The technical solution adopted by the utility model is as follows:
[0006] The utility model proposes a secondary cooling nozzle test bench for a small square billet continuous casting machine, comprising a bracket, a nozzle mounting seat, a main air intake pipeline and a main water intake pipeline; the main air intake pipeline and the main water intake pipeline are respectively arranged on the front side of the bracket; the nozzle is correspondingly connected to one side of the nozzle mounting seat; one end of the nozzle mounting seat is respectively connected to the main air intake pipeline and the main water intake pipeline.
[0007] Furthermore, the top ends of the main air inlet pipeline and the main water inlet pipeline are respectively provided with connecting elbows, and are respectively connected to an external air source and an external water source through the connecting elbows.
[0008] Furthermore, the nozzle mounting seat and the nozzle are fixedly connected by bolts.
[0009] Furthermore, the bracket is a triangular structure, and the main air inlet pipeline and the main water inlet pipeline are respectively arranged on the inclined surfaces of the bracket.
[0010] Furthermore, a water pressure detection meter and a water flow detection meter are respectively installed on the main water inlet pipeline; and a gas pressure detection meter is installed on the main air inlet pipeline.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The utility model designs a secondary cooling nozzle test bench according to the structural form of the secondary cooling nozzle. The test bench has the functions of simultaneously performing ventilation and water flow during the test and can test multiple nozzles at the same time. The utility model has the advantages of simple structure, convenient use, and can be moved at any time without being restricted by the site. The test bench can effectively detect the qualified rate of the secondary cooling nozzle after clearing the blockage. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 for Figure 1 Schematic diagram of the AA part structure.
[0015] Among them, the figure markings are: 1-main air inlet pipeline; 2-main water inlet pipeline; 3-nozzle mounting seat; 4-connecting elbow; 5-bracket; 6-water pressure detection gauge; 7-water flow detection gauge; 8-gas pressure detection gauge; 9-nozzle. DETAILED DESCRIPTION
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] See attached Figure 1 The utility model provides a secondary cooling nozzle test bench for a small square billet continuous casting machine, comprising a main air inlet pipeline 1, a main water inlet pipeline 2, a nozzle mounting seat 3, a connecting elbow 4 and a bracket 5.
[0018] In this embodiment, the bracket 5 is a triangular structural frame; the main air intake pipeline 1 and the main water intake pipeline 2 are respectively arranged on the hypotenuse of the bracket 5; the nozzle 9 is connected to one side of the nozzle mounting seat 3 through bolts; the rear end of the nozzle mounting seat 3 is respectively connected to the main air intake pipeline 1 and the main water intake pipeline 2; multiple nozzle mounting seats 3 can be connected to the main air intake pipeline 1 and the main water intake pipeline 2 at the same time along the pipeline direction to realize simultaneous detection of multiple nozzles 9.
[0019] The top ends of the main air inlet pipeline 1 and the main water inlet pipeline 2 are respectively provided with connecting elbows 4 , and the main air inlet pipeline 1 is connected to an external air source via the connecting elbow 4 ; the main water inlet pipeline 2 is connected to an external water source via the connecting elbow 4 .
[0020] In this embodiment, the main water inlet pipeline 2 is respectively installed with a water pressure detection meter 6 and a water flow detection meter 7 for detecting the main water inlet flow and the main water inlet pressure; the main air inlet pipeline 1 is installed with a gas pressure detection meter 8 for detecting the main air inlet pressure.
[0021] The working principle of the utility model is as follows: after the secondary cooling nozzle is cleared, it is installed on the nozzle mounting seat 3 by bolts, the bracket 5 is fixed, and the main air inlet pipeline 1 and the main water inlet pipeline 2 are connected to the external gas source and water source respectively through the connecting elbow 4. First, open the water inlet valve, and the cooling water flows in from the main water inlet pipeline 2, flows into the nozzle 9 through the nozzle mounting seat 3 and sprays out. At this time, observe the water spray flow rate of the nozzle 9. Secondly, open the air inlet valve, and the cooling gas flows in from the main air inlet pipeline 1, flows into the nozzle 9 through the nozzle mounting seat 3 and mixes with the cooling water to produce an atomization effect. At this time, observe the water spray atomization effect and spray angle of the nozzle 9. The water pressure detection meter 6 and the water flow detection meter 7 detect the pressure and flow of the water inlet of the main water inlet pipeline 2, and the gas pressure detection meter 8 detects the pressure of the air inlet of the main air inlet pipeline 1, thereby realizing the detection of the qualified rate after clearing the blockage.
[0022] Matters not described in detail in this utility model are known technologies.
[0023] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A secondary cooling nozzle test bench for a billet continuous casting machine, characterized in that: The test bench includes a bracket, a nozzle mounting seat, a main air intake pipeline and a main water intake pipeline; the main air intake pipeline and the main water intake pipeline are respectively arranged on the front side of the bracket; the nozzle is correspondingly connected to one side of the nozzle mounting seat; one end of the nozzle mounting seat is respectively connected to the main air intake pipeline and the main water intake pipeline.
2. A secondary cooling nozzle test bench for a billet continuous casting machine according to claim 1, characterized in that: The top ends of the main air inlet pipeline and the main water inlet pipeline are respectively provided with connecting elbows, and are respectively connected to an external air source and an external water source through the connecting elbows.
3. The secondary cooling nozzle test bench for a billet continuous casting machine according to claim 1, characterized in that: The nozzle mounting seat and the nozzle are fixedly connected by bolts.
4. The secondary cooling nozzle test bench for a billet continuous casting machine according to claim 1, characterized in that: The bracket is a triangular structure, and the main air inlet pipeline and the main water inlet pipeline are respectively arranged on the inclined surface of the bracket.
5. The secondary cooling nozzle test bench for a billet continuous casting machine according to claim 1, characterized in that: The main water inlet pipeline is respectively equipped with a water pressure detection meter and a water flow detection meter; the main air inlet pipeline is equipped with a gas pressure detection meter.