CN214919263U

CN214919263U - Steel cooling system

Info

Publication number: CN214919263U
Application number: CN202121072194.8U
Authority: CN
Inventors: 王进; 田洪振; 倪磊; 尉迟龙涛
Original assignee: Qingdao Leiting Heavy Industry Co Ltd
Current assignee: Qingdao Leiting Heavy Industry Co Ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-30
Anticipated expiration: 2031-05-19

Abstract

A steel cooling system relates to the technical field of high-speed wire rod production equipment and comprises a channel with two side walls, wherein a wire rod conveying track penetrates through the channel, and a first-stage cooling area and a second-stage cooling area are sequentially arranged in the channel; a plurality of first nozzles are arranged on two sides of the conveying track in the first-stage cooling area, and nozzles of the first nozzles spray water towards the inner walls of the two sides of the first-stage cooling area; a plurality of second nozzles are arranged on two sides of the conveying track in the secondary cooling area, and the nozzles of the second nozzles spray water towards the wire coil hoisted below the conveying track; the water flow sprayed out of the first nozzle is larger than that sprayed out of the first nozzle. This novel can be fast to flange steel cooling, can not make the wire rod appear the phenomenon of quenching at cooling's in-process simultaneously, guarantee that the performance of product has superiority and stability.

Description

Steel cooling system

Technical Field

The utility model relates to a high-speed wire rod production facility technical field, concretely relates to steel cooling system.

Background

After rolled out by a rolling mill, the temperature of a wire rod made of flange steel is very high, in order to reach the temperature for storing the flange steel and shorten the production period of the flange steel, when a rolling process production line is designed, cooling is usually carried out in the wire rod conveying process, the existing cooling equipment usually adopts air cooling or water cooling, the air cooling efficiency is too low to meet the requirement of the cooling rate of the flange steel, the existing water cooling equipment usually directly sprays a large amount of water on the steel to achieve the purpose of cooling, because the temperature of the rolled flange steel is too high, the existing water cooling equipment can cause the flange steel to have a quenching phenomenon in the cooling process, the quenching is one of metal heat treatment processes, a metal product is heated to a certain temperature and then is placed in water, oil or air to be rapidly cooled so as to improve the hardness and the strength of the metal, and the quenching phenomenon can influence the toughness of the wire rod made of the flange steel, the performance of the product is affected.

Disclosure of Invention

In order to solve the problems of the prior art, the utility model provides a steel cooling system can carry out cooling to flange steel fast, can not make the wire rod appear the phenomenon of quenching at cooling's in-process simultaneously, guarantees that the performance of product has superiority and stability.

The purpose of the utility model can be realized by the following technical proposal: a steel cooling system comprises a channel with two side walls, a wire conveying track penetrates through the channel, and a primary cooling area and a secondary cooling area are sequentially arranged in the channel; a plurality of first nozzles are arranged on two sides of the conveying track in the first-stage cooling area, and nozzles of the first nozzles spray water towards the inner walls of the two sides of the first-stage cooling area; a plurality of second nozzles are arranged on two sides of the conveying track in the secondary cooling area, and the nozzles of the second nozzles spray water towards the wire coil hoisted below the conveying track; the water flow sprayed out of the first nozzle is larger than that sprayed out of the first nozzle.

Preferably, a plurality of door-type first supports are installed in the first-stage cooling area, the wire coil can penetrate through the first supports, the two first water supply pipelines penetrate through all the first supports, the two first water supply pipelines are fixed on the inner sides of the two first upright posts of the first supports respectively, and the nozzles are installed on the first water supply pipelines at equal intervals.

Preferably, a first tripod is symmetrically welded on the inner sides of the two upright posts of the first bracket, the first water supply pipeline is supported by the first tripod, and the first water supply pipeline is fixed on the first tripod by a U-shaped bolt and a nut.

Preferably, the nozzle is a fan nozzle.

Preferably, a plurality of door-type second supports are installed in the second-stage cooling area, the wire coil can penetrate through the second supports, two water supply pipelines pass through all the second supports, the two water supply pipelines are respectively fixed on the inner sides of the two upright posts of the second supports, and the nozzles are installed on the second water supply pipelines at equal intervals.

Preferably, a second tripod is welded on the inner sides of the two upright posts of the second bracket, the second water supply pipeline is supported by the second tripod, and the second water supply pipeline is fixed on the second tripod by using a U-shaped bolt and a nut.

Preferably, the nozzle is a solid cone nozzle.

Preferably, the passage further comprises a transition cooling area, the transition cooling area is located between the first-stage cooling area and the second-stage cooling area, a plurality of door-type supports III are mounted in the transition cooling area, and the wire coil can penetrate through the supports III; the inner side of the third support is provided with two triangular supports III, the two triangular supports III are respectively arranged on two upright posts III of the third support, two water supply pipelines III are respectively erected on the two triangular supports III and are clamped and fixed by U-shaped bolts and nuts, the two water supply pipelines III are respectively communicated with the two water supply pipelines I, the water supply pipelines III are provided with a plurality of nozzles III, and the nozzle orientations of the nozzles III and the nozzles I are the same; the inner side of the third support is further provided with two triangular supports four which are respectively arranged on the three upright posts, two water supply pipeline four are respectively erected on the two triangular supports four and are clamped and fixed by U-shaped bolts and nuts, the two water supply pipeline four are respectively communicated with the two water supply pipelines, a plurality of nozzles four are arranged on the water supply pipeline four, and the nozzle orientations of the nozzles four are the same as those of the nozzles two.

Preferably, the third nozzle is a fan nozzle.

Preferably, the nozzle four is a solid cone nozzle.

The cooling system of the utility model can rapidly cool the flange steel wire in the conveying process, and can not quench the steel, thereby ensuring the performance of the product to have superiority and stability.

Drawings

Fig. 1 is the utility model discloses steel cooling system's overlook schematic structure diagram.

Fig. 2 is a side view of the first bracket.

Fig. 3 is a side view structural schematic diagram of the bracket two.

Fig. 4 is a side view of the bracket III.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Fig. 6 is an enlarged schematic view of B in fig. 4.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

The invention is further described with reference to the following figures and examples.

Examples

A steel cooling system comprises a channel 1 with two side walls, a wire conveying track 2 penetrates through the channel 1, and a primary cooling area 3 and a secondary cooling area 4 are sequentially arranged in the channel 1; a plurality of first nozzles 31 are arranged on two sides of the conveying track 2 in the first-stage cooling area 3, the first nozzles 31 are fan-shaped nozzles, and nozzles of the first nozzles 31 spray water towards the inner walls of the two sides of the first-stage cooling area 3; the two-stage cooling area 4 is provided with a plurality of second nozzles 41 on two sides of the conveying track 2, the second nozzles 41 are solid cone nozzles, and the nozzles of the second nozzles 41 spray water towards the wire coil hoisted below the conveying track 2; the water flow sprayed out of the first nozzle 31 is larger than that sprayed out of the first nozzle 31.

A plurality of door-type supports (32) are installed in the first-stage cooling area (3), a coil can pass through the supports (32), two water supply pipelines (33) pass through all the supports (32), the two water supply pipelines (33) are respectively fixed on the inner sides of two upright posts (321) of the supports (32), and the nozzles (31) are installed on the water supply pipelines (33) at equal intervals. A tripod (34) is symmetrically welded on the inner sides of two columns (321) of the bracket (32), the water supply pipeline (33) is supported by the tripod (34), and the water supply pipeline (33) is fixed on the tripod (34) by U-shaped bolts and nuts.

A plurality of door-type supports II 42 are installed in the secondary cooling area 4, the wire coil can penetrate through the supports II 42, two water supply pipelines II 43 penetrate through all the supports II 42, the two water supply pipelines II 43 are respectively fixed on the inner sides of two upright posts II 421 of the supports II 42, and the nozzles II 41 are installed on the water supply pipelines II 43 at equal intervals. A second tripod 44 is welded on the inner sides of the two second upright columns 421 of the second bracket 42, the second water supply pipeline 43 is supported by the second tripod 44, and the second water supply pipeline 43 is fixed on the second tripod 44 by a U-shaped bolt and a nut.

The passage 1 further comprises a transition cooling area 5, the transition cooling area 5 is located between the first-stage cooling area 3 and the second-stage cooling area 4, a plurality of door-type supports III 51 are mounted in the transition cooling area 5, and a wire coil can penetrate through the supports III 51; two triangular supports three 52 are installed on the inner side of the support three 51, the two triangular supports three 52 are installed on two upright posts three 521 of the support three 51 respectively, two water supply pipelines three 53 are erected on the two triangular supports three 52 respectively and are clamped and fixed by U-shaped bolts and nuts, the two water supply pipelines three 53 are communicated with the two water supply pipelines one 33 respectively, a plurality of nozzles three 54 are installed on the water supply pipelines three 53, the nozzles three 54 are fan-shaped nozzles, and the nozzle directions of the nozzles three 54 and the nozzle one 31 are the same; the inner side of the bracket III 51 is also provided with two triangular brackets IV 55, the two triangular brackets IV 55 are respectively arranged on the two upright posts III 521 of the bracket III 51, two water supply pipelines IV 56 are respectively erected on the two triangular brackets IV 55 and clamped and fixed by U-shaped bolts and nuts, the two water supply pipelines IV 56 are respectively communicated with the two water supply pipelines II 43, the water supply pipelines IV 56 are provided with a plurality of nozzles IV 57, the nozzles IV 57 are solid cone nozzles, and the nozzles IV 57 and the nozzles II 41 have the same direction.

The utility model discloses a cooling system belongs to the whole piece and sprays atomizing cooling system, divide into one-level cooling zone 3, second grade cooling zone 4 and 5 three parts in transition cooling zone: the primary cooling area 3 sprays water to two side walls of the channel 1, takes away heat generated by coils in the channel 1 through the water spraying to achieve the purpose of cooling, and can be called as a spraying cooling part; the secondary cooling area 4 is formed by directly spraying water mist on the flange steel wire through a solid cone nozzle for cooling, and can be called as an atomized cooling part; the third nozzle 54 and the fourth nozzle 57 are distributed on the transitional cooling area 5, which actually belong to the cooling under the combined action of spraying and atomizing, and the transitional cooling area 5 also belongs to the part with adjustable length because the design of cooling speed is different in consideration of the problems of actual use conditions, such as different types of surrounding environment, water source and flange steel wire, and the like, and the switching valves of the third nozzle 54 and the fourth nozzle 57 are adjusted to adjust the spraying and atomizing lengths during adjustment.

The first nozzle 31 and the third nozzle 54 are standard fan-shaped nozzles and mainly used for spraying water flow onto a wall, the heat generated by the wire rods in the channels 1 can be absorbed through the large specific heat capacity of the water, the temperature of the environment is absorbed by the water, and the purpose of cooling the wire coil is achieved; in addition, two spraying cooling modes are arranged in the transition cooling area 5, namely water mist sprayed by the solid cone nozzles can be directly sprayed on the wire rods for secondary cooling, and the fan-shaped nozzles can be continuously sprayed on the wall surface to improve the cooling speed, so that in the actual production process, the wire rods are cooled to the set temperature when the wall surface is sprayed in the first-stage cooling area 3 for cooling, and then the length of the transition cooling area 5 is adjusted according to actual requirements.

In addition, the vertical included angles of the first nozzle 31, the second nozzle 41, the third nozzle 54 and the fourth nozzle 57 can be adjusted in the installation process according to the actual situation, and the adjustment requirements are as follows: the water sprayed by the fan-shaped nozzle can not be splashed onto a steel wire coil in transportation, and the flow rate of the fan-shaped nozzle is large, so that the temperature of the wire coil can be reduced to the design requirement in a short time; and the water mist sprayed out of the solid cone nozzle can uniformly cover the steel wire coil in the transportation process.

The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The present invention has been described above with reference to the preferred embodiments, but the scope of protection of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims

1. The steel cooling system is characterized by comprising a channel (1) with two side walls, wherein a wire conveying track (2) penetrates through the channel (1), and a primary cooling area (3) and a secondary cooling area (4) are sequentially arranged in the channel (1); a plurality of first nozzles (31) are arranged on two sides of the conveying track (2) in the first-stage cooling area (3), and nozzles of the first nozzles (31) spray water towards the inner walls of the two sides of the first-stage cooling area (3); the two-stage cooling area (4) is provided with a plurality of second nozzles (41) on two sides of the conveying track (2), and the nozzles of the second nozzles (41) spray water towards the wire coil hoisted below the conveying track (2); the water flow sprayed out by the first nozzle (31) is larger than that sprayed out by the first nozzle (31).

2. A steel cooling system according to claim 1, wherein a plurality of gate type supports one (32) are installed in the primary cooling area (3), the wire coil can pass through the supports one (32), two water supply pipes one (33) pass through all the supports one (32), the two water supply pipes one (33) are respectively fixed at the inner sides of two upright posts one (321) of the supports one (32), and the nozzles one (31) are installed on the water supply pipes one (33) at equal intervals.

3. A steel cooling system according to claim 2, wherein a tripod one (34) is symmetrically welded to both inner sides of the two columns one (321) of said bracket one (32), said water supply pipeline one (33) is supported by said tripod one (34), and said water supply pipeline one (33) is fixed to said tripod one (34) by means of U-bolts and nuts.

4. A steel cooling system according to claim 3, where the first nozzle (31) is a fan nozzle.

5. The steel cooling system according to claim 2, wherein a plurality of portal supports II (42) are installed in the secondary cooling area (4), the wire coil can pass through the supports II (42), two water supply pipelines II (43) pass through all the supports II (42), the two water supply pipelines II (43) are respectively fixed on the inner sides of two upright posts II (421) of the supports II (42), and the two nozzles II (41) are installed on the water supply pipelines II (43) at equal intervals.

6. A steel cooling system according to claim 5, wherein a second tripod (44) is welded to the inner side of each of the two columns (421) of the second bracket (42), the second water supply pipeline (43) is supported by the second tripod (44), and the second water supply pipeline (43) is fixed to the second tripod (44) by means of U-shaped bolts and nuts.

7. The steel cooling system according to claim 6, where the second nozzle (41) is a solid cone nozzle.

8. The steel cooling system according to claim 5, further comprising a transition cooling area (5) in the channel (1), wherein the transition cooling area (5) is located between the primary cooling area (3) and the secondary cooling area (4), a plurality of door-type supports three (51) are installed in the transition cooling area (5), and coils can pass through the supports three (51); two triangular supports III (52) are mounted on the inner side of the support III (51), the two triangular supports III (52) are respectively mounted on two upright posts III (521) of the support III (51), two water supply pipelines III (53) are respectively erected on the two triangular supports III (52) and clamped and fixed by U-shaped bolts and nuts, the two water supply pipelines III (53) are respectively communicated with the two water supply pipelines I (33), a plurality of nozzles III (54) are mounted on the water supply pipelines III (53), and the nozzle orientations of the nozzles III (54) and the nozzle I (31) are the same; the inner side of the third support (51) is also provided with two tripods four (55), the two tripods four (55) are respectively arranged on the two upright posts three (521) of the third support (51), two water supply pipelines four (56) are respectively erected on the two tripods four (55) and are clamped and fixed by U-shaped bolts and nuts, the two water supply pipelines four (56) are respectively communicated with the two water supply pipelines two (43), the water supply pipelines four (56) are provided with a plurality of nozzles four (57), and the nozzle directions of the nozzles four (57) and the nozzles two (41) are the same.

9. The steel cooling system of claim 8 where nozzle three (54) is a fan nozzle.

10. The steel product cooling system of claim 8 where nozzle four (57) is a solid cone nozzle.