CN105537542A - Fog cooling ring suspension type continuous casting machine crystallizer - Google Patents

Abstract

The invention discloses a fog cooling ring suspension type continuous casting machine crystallizer. The continuous casting machine crystallizer comprises a crystallizer body; the crystallizer body comprises an upper crystallization channel opening and a lower crystallization channel opening; the crystallizer body is provided with a horizontal upper opening cooling channel and a horizontal lower opening cooling channel; the horizontal upper opening cooling channel and the horizontal lower opening cooling channel are communicated through a plurality of vertical cooling channels; a suspension fog cooling ring is further included and is an annular pipe fitting; a secondary water inlet pipe is arranged on the outer side of the suspension fog cooling ring, and a plurality of cooling nozzles are formed in the inner side of the suspension fog cooling ring; and the suspension fog cooling ring is arranged at the bottom of the crystallizer body and is connected with the crystallizer body through a mounting lifting plate, The water spraying height of second-time cooling is adjusted, and therefore the crystallizer is suitable for meeting the requirements of different materials for the continuous casting secondary cooling technology, and the casting quality of a casting is improved.

Description

A fog-cooled ring suspension continuous casting machine crystallizer

technical field

The invention relates to a mist cooling ring suspension type continuous casting machine crystallizer, which belongs to the technical field of continuous casting machine crystallizer manufacturing.

Background technique

The crystallizer used in metal casting is mainly made of copper and other good heat-conducting metals. By setting cooling channels in the mold, the coolant flowing through the cooling channels absorbs and transfers the heat of molten metal and metal castings. During the process of smelting and casting, the metal molten liquid in fluid form enters the upper mouth of the mold through the diversion groove, and is cooled and crystallized rapidly in the mold. output from the lower port, and enter the next process for heat preservation or secondary cooling.

In the crystallizer in the prior art, after the metal molten liquid enters the crystallization channel, it is cooled by the crystallizer body for the first time, and the metal ingot discharged from the bottom of the crystallization channel is cooled for the second time by the cooling water in the inclined nozzle hole, thereby Improve the utilization rate of cooling water so that the cooling water can fully absorb the heat of the metal ingot, which is conducive to improving the production efficiency of metal smelting. However, its disadvantage is that the water spray height of the second cooling is fixed relative to the crystallizer body and cannot be adjusted, and the thermodynamic properties of castings with different textures are not the same. When the castings do not reach the low plasticity zone, the secondary Cooling is easy to cause gradual deformation, which affects the quality of castings; in addition, the cooling water for the second cooling has been heated up, and the cooling effect has declined, and the cooling water channel for the second cooling is restricted, and the overall water flow must be consistent with the The overall water flow in the first cooling channel is consistent, thus resulting in limited applicability of the crystallizer described above.

Contents of the invention

The present invention is aimed at the deficiencies of the prior art, and provides a mist-cooled ring suspended continuous casting machine crystallizer, which can adapt to the secondary cooling process requirements of continuous casting of different materials by adjusting the spray height of the second cooling, so as to Improve the casting quality of castings.

In order to solve the above problems, the technical scheme adopted in the present invention is as follows:

A fog-cooled ring suspension type continuous casting machine mold, including a mold body; the crystallizer body includes an upper opening of a crystallization channel for inflowing molten metal and a lower opening of a crystallization channel for outputting metal slabs. A horizontal upper cooling channel is provided around the upper opening of the crystallization channel of the crystallizer body, a horizontal lower cooling channel is provided around the lower opening of the crystallization channel of the crystallizer body, and the horizontal upper cooling channel and the The cooling channels of the horizontal lower port are connected through several vertical cooling channels;

It is characterized in that it also includes a suspended fog cooling ring, the suspended fog cooling ring is an annular pipe fitting, a secondary water inlet pipe is arranged on the outside of the suspended fog cooling ring, and a A number of cooling nozzles, all of which are directed towards the inner side of the suspended mist cooling ring, the suspension mist cooling ring is arranged at the bottom of the crystallizer body, and the suspension mist cooling ring is installed with a hanging plate and The crystallizer body is connected.

As an improvement of the above technical solution, a primary water inlet pipe and a primary water outlet pipe are provided on the outside of the crystallizer body, the primary water inlet pipe communicates with the horizontal lower port cooling channel, and the primary water outlet pipe communicates with the horizontal upper port cooling channel.

As an improvement of the above technical solution, a mounting bracket is also provided on the outside of the crystallizer body, the mounting bracket includes an upper side wall plate, a lower bottom wall plate and a mounting bracket, the mounting bracket is horizontally arranged and used When connecting the vibration plate of the casting machine, the upper side wall plate is fixedly connected with the outside of the crystallizer body and is located above the installation pallet, and the lower bottom wall plate is fixedly connected with the bottom of the crystallizer body and is located at Below the mounting bracket.

As an improvement of the above technical solution, one end of the installation suspension plate is a connecting screw hole, one end of the installation suspension plate is a connection hook, and the lower bottom wall plate is provided with a suspension column matching the connection hook. Suspension bolts matching the connecting screw holes are arranged on the outside of the suspension mist cooling ring.

The present invention compares with prior art, and implementation effect of the present invention is as follows:

The fog-cooled ring suspension type continuous casting machine crystallizer described in the present invention can adjust the water spray height of the second cooling by selecting different lengths of installation hanging plates, so that the castings have sufficient cooling time to reach the low plasticity zone After secondary cooling, it can adapt to the needs of continuous casting secondary cooling process of different materials, so as to improve the casting quality of castings.

In addition, the secondary water inlet pipe of the suspension mist cooling ring can be directly connected with the primary water outlet pipe, or can be connected to another cooling water source or mixed with the cooling water in the primary water outlet pipe and low-temperature cooling water and then input into the secondary water inlet pipe, thereby The cooling water temperature of the second cooling can be adjusted according to actual needs; and the total flow of cooling water in the suspension mist cooling ring is not limited by the total flow of primary cooling water in the crystallizer body, and the second cooling can be set according to actual needs cooling water flow.

Description of drawings

Fig. 1 is the plan view structure schematic diagram of a kind of fog cooling ring suspension type continuous casting machine crystallizer described in the present invention;

Fig. 2 is a top view structure schematic diagram of a fog-cooled ring suspension type continuous casting machine crystallizer according to the present invention;

Fig. 3 is a top structural schematic diagram of the suspended mist cooling ring according to the present invention.

detailed description

The content of the present invention will be described below in conjunction with specific embodiments.

As shown in FIG. 1 to FIG. 3 , it is a schematic structural view of a mist-cooled ring-suspended continuous casting machine crystallizer according to the present invention.

The fog-cooled ring suspension continuous casting machine crystallizer of the present invention includes a crystallizer body 1; the crystallizer body 1 includes an upper opening of a crystallization channel for inflowing molten metal and an outlet for outputting metal slabs The lower opening of the crystallization channel, the upper opening of the crystallization channel of the crystallizer body 1 is provided with a horizontal upper cooling channel 11, and the lower opening of the crystallization channel of the crystallizer body 1 is provided with a horizontal lower cooling channel 12 , the horizontal upper cooling channel 11 and the horizontal lower cooling channel 12 are communicated through several vertical cooling channels 13; the outside of the crystallizer body 1 is also provided with a primary water inlet pipe 14 and a primary water outlet pipe 15, The primary water inlet pipe 14 communicates with the horizontal lower cooling passage 12 , and the primary water outlet pipe 15 communicates with the horizontal upper cooling passage 11 . The outer side of the crystallizer body 1 is also provided with a mounting bracket, the mounting bracket includes an upper side wall plate 31, a lower bottom wall plate 32 and a mounting bracket 33, and the mounting bracket 33 is horizontally arranged and used for connecting Casting machine vibration plate 4, the upper side wall plate 31 is fixedly connected with the outside of the crystallizer body 1 and is located above the installation pallet 33, the lower bottom wall plate 32 is connected with the bottom of the crystallizer body 1 It is fixedly connected and located under the mounting bracket 33 .

It also includes a suspended mist cooling ring 2, which is an annular pipe fitting, a secondary water inlet pipe 21 is arranged on the outside of the suspended mist cooling ring 2, and a secondary water inlet pipe 21 is arranged on the inside of the suspended mist cooling ring 2 There are several cooling nozzles 22, and some of the cooling nozzles 22 are all facing the inner side of the suspended mist cooling ring 2, and the suspended mist cooling ring 2 is arranged at the bottom of the crystallizer body 1, and the suspended mist cooling The ring 2 is connected with the crystallizer body 1 through a hanging plate 23 . One end of the installation suspension plate 23 is a connecting screw hole, one end of the installation suspension plate 23 is a connection hook, and the lower bottom wall plate 32 is provided with a suspension column 34 matching the connection hook. The outer side of the cold ring 2 is provided with suspension bolts 24 matching the connecting screw holes.

During operation, after the molten metal enters the crystallization channel from the upper opening of the crystallization channel, the first cooling is performed by the crystallizer body: the primary cooling water enters the horizontal lower cooling channel 12 from the primary water inlet pipe 14, The primary cooling water is distributed through several vertical cooling passages 13 for cooling operation, then the primary cooling water flows into the horizontal upper cooling passage 11, and finally is discharged from the primary water outlet pipe 15; After being cooled in the crystallization channel of the main body to form a cast slab shell, it is output from the lower opening of the crystallization channel, and after sufficient cooling to reach the low plasticity zone, the suspension mist cooling ring 2 is used for secondary cooling to form a metal ingot: secondary The cooling water enters through the secondary water inlet pipe 21, and the secondary cooling water is uniformly distributed by several cooling nozzles 22 and sprayed to the shell of the casting strand.

The above content is a detailed description of the present invention in conjunction with specific embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the technical field of the present invention, without departing from the concept of the present invention, some simple deductions or substitutions can be made, which should be deemed to belong to the protection scope of the present invention.

Claims (4)

1. a mist cold ring suspension type conticaster crystallizer, comprises crystallizer body (1); Described crystallizer body (1) comprises the suitable for reading and crystallization channel end opening for exporting metal strand of crystallization channel for flowing into molten metal, the described crystallization channel of described crystallizer body (1) is suitable for reading is provided with level cooling duct suitable for reading (11) around, be provided with horizontal end opening cooling duct (12) around the described crystallization channel end opening of described crystallizer body (1), be communicated with by some vertical cooling ducts (13) between described level cooling duct suitable for reading (11) and described horizontal end opening cooling duct (12);

It is characterized in that: also comprise the suspention cold ring of mist (2), the cold ring of described suspention mist (2) is annular pipe fitting, the arranged outside of the cold ring of described suspention mist (2) has secondary water inlet pipe (21), the inner side of the cold ring of described suspention mist (2) is provided with some cooling jets (22), some described cooling jets (22) are all towards the cold ring of described suspention mist (2) inner side, the cold ring of described suspention mist (2) is arranged at the bottom of described crystallizer body (1), and the cold ring of described suspention mist (2) is connected with described crystallizer body (1) by installing boatswain chair (23).

2. a kind of mist as claimed in claim 1 cold ring suspension type conticaster crystallizer, it is characterized in that, the outside of described crystallizer body (1) is also provided with a water inlet pipe (14) and an outlet pipe (15), a described water inlet pipe (14) is communicated with described horizontal end opening cooling duct (12), and a described outlet pipe (15) is communicated with described level cooling duct suitable for reading (11).

3. a kind of mist as claimed in claim 1 cold ring suspension type conticaster crystallizer, it is characterized in that, the outside of described crystallizer body (1) is also provided with installation bracket, described installation bracket comprises upside wallboard (31), lower base wall panel (32) and installation supporting plate (33), described installation supporting plate (33) is horizontally disposed with and for connecting casting machine oscillating flat plate (4), described upside wallboard (31) is fixedly connected with the outside of described crystallizer body (1) and is positioned at described installation supporting plate (33) top, described lower base wall panel (32) is fixedly connected with the bottom of described crystallizer body (1) and is positioned at described installation supporting plate (33) below.

4. a kind of mist as claimed in claim 3 cold ring suspension type conticaster crystallizer, it is characterized in that, described installation boatswain chair (23) one end is connecting screw hole, described installation boatswain chair (23) one end is coupling hook, described lower base wall panel (32) is provided with the suspention hanging column (34) coordinating described coupling hook, the arranged outside of the cold ring of described suspention mist (2) has the hanging bolt (24) coordinating described connecting screw hole.