阅读说明：本技术 一种结晶器用的冷却系统 (Cooling system for crystallizer ) 是由 王开建 周志梭 于 2021-08-02 设计创作，主要内容包括：本发明涉及冶金生产技术领域,公开了一种结晶器用的冷却系统,它包括结晶器、水池以及加压泵站,加压泵站的进水端位于水池内,结晶器通过加压泵站进水,结晶器的出水端连接有主水管,主水管安装在水池的端口上且沿一边设置,主水管上设置有支管,水池的端口上还安装有挡水板,挡水板斜向水池的池底,支管上安装有朝向挡水板的喷头,喷头的喷射方向与挡水板的夹角为钝角。本发明的有益效果是：水池内的水通过加压泵站进入结晶器进行换热,然后从喷头射向挡水板,水柱撞击挡水板后溅射,增大水柱的散热面积,令热水更加快速的散热,令水池内的循环水能快速降温,在循环水使用过程中,循环水的热能更低,保证其冷却效率。(The invention relates to the technical field of metallurgical production, and discloses a cooling system for a crystallizer, which comprises a crystallizer, a water pool and a booster pump station, wherein the water inlet end of the booster pump station is positioned in the water pool, the crystallizer is used for feeding water through the booster pump station, the water outlet end of the crystallizer is connected with a main water pipe, the main water pipe is arranged on a port of the water pool and arranged along one side, a branch pipe is arranged on the main water pipe, a water baffle is also arranged on the port of the water pool, the water baffle is inclined to the bottom of the water pool, a spray head facing the water baffle is arranged on the branch pipe, and the spray direction of the spray head and the included angle of the water baffle are obtuse angles. The invention has the beneficial effects that: water in the pond gets into the crystallizer through booster pump station and carries out the heat transfer, then from shower nozzle directive breakwater, sputters behind the water column striking breakwater, increases the heat radiating area of water column, makes the more quick heat dissipation of hot water, makes the circulating water rapid cooling in the pond, and in the circulating water use, the heat energy of circulating water is lower, guarantees its cooling efficiency.)

1. The utility model provides a cooling system that crystallizer was used, includes crystallizer, pond and booster pump station, booster pump station's the end of intaking is located in the pond, the crystallizer passes through booster pump station is intake, its characterized in that: the water outlet end of the crystallizer is connected with a main water pipe, the main water pipe is installed on a port of the pool and is arranged along one side, a branch pipe is arranged on the main water pipe, a water baffle is further installed on the port of the pool, the water baffle is inclined to the bottom of the pool, a nozzle of the water baffle is installed on the branch pipe, and the spraying direction of the nozzle and the included angle of the water baffle are obtuse angles.

2. A cooling system for a crystallizer as defined in claim 1, wherein: the branch pipe is a plurality of, and follows the axial lead direction setting of main water pipe, the play water end of main water pipe is sealed, slidable mounting has the piston in the main water pipe, still install the spring in the main water pipe, the spring passes through piston compression installs the play water end of main water pipe is close to main water pipe play water end the branch pipe passes through piston compression the spring is opened.

3. A cooling system for a crystallizer as defined in claim 1, wherein: the crystallizer comprises a copper pipe and a shell, the copper pipe penetrates through the shell, a sealed cavity is formed between the inner wall of the shell and the outer wall of the copper pipe, a partition board is arranged on the outer wall of the copper pipe along the circumferential direction of the copper pipe and is uniformly distributed along the axial lead direction of the copper pipe, the partition board divides the cavity into a plurality of cooling chambers, a partition board is arranged on the inner bottom surface of the shell and extends to the top of the shell, a through hole is formed in the partition board, the through holes on the adjacent partition boards are respectively positioned on two sides of the partition board, a water inlet pipe and a water outlet pipe are arranged on the shell, the water inlet pipe is communicated with the cooling chambers on the lowest layer, the water outlet pipe is communicated with the cooling chambers on the uppermost layer, and the through holes on the uppermost layer and the water inlet ends of the water outlet pipe are respectively positioned on two sides of the partition board, the through hole of the lowest layer and the water inlet pipe are respectively positioned at two sides of the partition plate, the water inlet pipe is connected with the water outlet end of the booster pump station, and the water outlet pipe is connected with the main water pipe.

4. A cooling system for a crystallizer as defined in claim 3, wherein: the inner wall of the cooling chamber is provided with turbulence strips, the turbulence strips are arranged on the shell along the axial lead direction of the copper pipe, and the turbulence strips are a plurality of and wind the circumferential uniform distribution of the copper pipe.

5. A cooling system for a crystallizer as defined in claim 3, wherein: the bottom of casing is provided with and is provided with two pairs of bearing roller framves, the bearing roller frame winds the port equipartition of copper pipe, the L type is personally submitted to the cross section of bearing roller frame, and is every right the interior contained angle of bearing roller frame sets up dorsad, and is adjacent rotate between the bearing roller frame and install the guide roll.

6. A cooling system for a crystallizer as defined in claim 3, wherein: the copper pipe is characterized in that a base is arranged on the outer wall of the shell and is positioned in the middle of the shell, the middle point of the base is positioned on the axis of the copper pipe, and a notch is formed in the edge of the base.

7. A cooling system for a crystallizer as defined in claim 6, wherein: the inlet tube with the outlet pipe all runs through the base, the end of intaking of inlet tube the play water end of outlet pipe all is provided with the A flange.

8. A cooling system for a crystallizer as defined in claim 5, wherein: the guide roll is made of high-chromium steel materials.

Technical Field

The invention relates to the technical field of metallurgical production, in particular to a cooling system for a crystallizer.

Background

The crystallizer is an important part of a continuous casting machine, and is a bottom-free copper pipe mold with forced water cooling, which is called the heart of the continuous casting machine. The crystallizer is a continuous copper casting device which receives copper water injected from a tundish and solidifies the copper water into a firm blank shell according to a specified section shape, is the most critical part in a continuous casting machine, and the structure, the material and the performance parameters of the crystallizer play a decisive role in the quality of a casting blank and the production capacity of a casting machine. The head of dummy bar is the movable inner bottom of crystallizer when casting, the copper water is injected into the crystallizer and gradually condensed into a blank shell with a certain thickness and continuously pulled out, at the moment, the inner wall of the crystallizer bears the combined action of mechanical stress and thermal stress generated by the static pressure of high-temperature copper water and the friction force of relative movement with the blank shell, and the working condition is extremely bad. In order to obtain a qualified cast blank, the basic conditions to be met by the crystallizer are as follows: (1) the copper water has good thermal conductivity so as to enable the copper water to be quickly condensed and formed; (2) the wear resistance is good, so that the service life of the crystallizer is prolonged, the maintenance workload and the time for replacing the crystallizer are reduced, and the operation rate of a continuous casting machine is improved; (3) the material has enough rigidity, and particularly needs small deformation under the conditions of shock heating and large temperature gradient; (4) the structure is simple and compact, the manufacture is easy, the disassembly and the assembly are convenient, the adjustment is easy, and the cooling water path can be automatically connected so as to be quickly replaced; the self weight is small, so that the inertia force when the crystallizer vibrates and the driving power of the vibrating device are reduced, and the crystallizer vibrates stably.

The cooling efficiency of the existing cooling system of the crystallizer is unstable, and the use of the crystallizer is influenced.

Disclosure of Invention

The invention aims to provide a cooling system for a crystallizer, which aims to solve the problem of low cooling efficiency of the cooling system of the existing crystallizer.

The purpose of the invention is realized by the following technical scheme: the utility model provides a cooling system that crystallizer was used, includes crystallizer, pond and booster pump station, booster pump station's the end of intaking is located in the pond, the crystallizer passes through booster pump station intakes, the play water end of crystallizer is connected with main water pipe, main water pipe is installed just along setting on one side on the port in pond, be provided with the branch pipe on the main water pipe, still install the breakwater on the port in pond, the breakwater slant the bottom of the pool in pond, install the orientation on the branch pipe the shower nozzle of breakwater, the jet direction of shower nozzle with the contained angle of breakwater is the obtuse angle.

Preferably, the branch pipe is a plurality of, and follows the axial lead direction setting of main water pipe, the play water end of main water pipe is sealed, slidable mounting has the piston in the main water pipe, still install the spring in the main water pipe, the spring passes through piston compression installs the play water end of main water pipe is close to main water pipe play water end the branch pipe passes through piston compression the spring is opened.

Preferably, the crystallizer includes copper pipe and casing, the copper pipe runs through the casing, form sealed cavity between the inner wall of casing and the outer wall of copper pipe, be provided with the baffle along its circumference on the outer wall of copper pipe, the baffle is a plurality of and follows the axial lead direction equipartition of copper pipe, the baffle will the cavity separates for a plurality of cooling chambers, be provided with the partition panel on the interior bottom surface of casing, the partition panel extends to the shell top of casing, a through-hole has been seted up on the baffle, and adjacent on the baffle the through-hole is located respectively the both sides of partition panel, be provided with inlet tube and outlet pipe on the casing, the inlet tube with the cooling chamber intercommunication of lower floor, outlet pipe and the superiors the cooling chamber intercommunication, the superiors the through-hole with the inlet end of outlet pipe is located respectively the both sides of partition panel, the through hole of the lowest layer and the water inlet pipe are respectively positioned at two sides of the partition plate, the water inlet pipe is connected with the water outlet end of the booster pump station, and the water outlet pipe is connected with the main water pipe.

Preferably, the inner wall of the cooling chamber is provided with turbulence strips, the turbulence strips are arranged on the shell along the axial lead direction of the copper pipe, and the turbulence strips are a plurality of and wind the circumferential uniform distribution of the copper pipe.

Preferably, the bottom of casing is provided with two pairs of bearing roller framves, the bearing roller frame winds the port equipartition of copper pipe, the L type is personally submitted in the cross section of bearing roller frame, and is every right the interior contained angle of bearing roller frame sets up dorsad, and is adjacent rotate between the bearing roller frame and install the guide roll.

Preferably, a base is arranged on the outer wall of the shell, the base is located in the middle of the shell, the middle point of the base is located on the axis of the copper pipe, and a notch is formed in the edge of the base.

Preferably, the inlet tube with the outlet pipe all runs through the base, the inlet end of inlet tube, the play water end of outlet pipe all is provided with the A flange.

Preferably, the guide roll is made of a high chromium steel material.

The invention has the following advantages:

1. water in the pond gets into the crystallizer through booster pump station and carries out the heat transfer, then from shower nozzle directive breakwater, sputters behind the water column striking breakwater, increases the heat radiating area of water column, makes the more quick heat dissipation of hot water, makes the circulating water rapid cooling in the pond, and in the circulating water use, the heat energy of circulating water is lower, guarantees its cooling efficiency.

2. The obtuse angle included angle between the spray head and the water baffle reduces the upward sputtering amount of the water baffle along the rear edge of the water column impacting the water baffle, so that a water source quickly falls back to enter the water pool, the water baffle blocks part of sunlight to irradiate the water pool, the water volatilization amount of the water pool is reduced, and the water resource is saved.

3. When the spray head on the branch pipe far away from the sealing end of the main water pipe is blocked, the water pressure in the main water pipe is increased, and thereby the branch pipe close to the sealing end of the main water pipe is opened by pushing the piston compression spring, so that the water pressure in the pipeline is kept balanced.

4. After the cooling water is full of the cavity, the cooling water entering from the bottom spirally rises along the outer wall of the copper pipe to flow out of the cavity, and after the cooling water of the cavity without the partition plate is full of the cavity, the cooling water entering from the bottom ascends along the outer wall of the copper pipe to flow out of the cavity, the stroke of the spirally rising cooling water is increased, the heat exchange time of the cooling water is prolonged, and the utilization rate of the cooling water is improved.

5. The turbulence strips enable cooling water in each cooling cavity to generate turbulence, so that the temperature of the cooling water in the cooling cavities is uniform, and the heat exchange efficiency of the cooling water is improved.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a first schematic structural view of a crystallizer;

FIG. 5 is a second schematic structural view of a crystallizer;

in the figure, 1-copper pipe, 2-shell, 3-partition plate, 4-partition plate, 5-through hole, 6-water inlet pipe, 7-water outlet pipe, 8-turbulence strip, 9-roller frame, 10-guide roller, 11-base, 12-notch, 13-A flange, 14-water pool, 15-booster pump station, 16-main water pipe, 17-branch pipe, 18-spray head, 19-water baffle, 20-piston, 21-spring and 22-valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a cooling system for a crystallizer includes a crystallizer, a water tank 14 and a booster pump station 15, a water inlet end of the booster pump station 15 is located in the water tank 14, the crystallizer is fed with water through the booster pump station 15, a water outlet end of the crystallizer is connected with a main water pipe 16, the main water pipe 16 is installed on a port of the water tank 14 and is arranged along one side, a branch pipe 17 is arranged on the main water pipe 16, a valve 22 is arranged on the branch pipe 17, a water baffle 19 is also installed on the port of the water tank 14, the water baffle 19 is inclined to the bottom of the water tank 14, a spray head 18 facing the water baffle 19 is installed on the branch pipe 17, an included angle between a spray direction of the spray head 18 and the water baffle 19 is an obtuse angle, water in the water tank 14 enters the crystallizer through the booster pump station 15 for heat exchange, then is sprayed from the spray head 18 to the water baffle 19, the water column impacts the water baffle 19, the heat dissipation area of the water column is increased, and the hot water is dissipated more rapidly, the circulating water in the water tank 14 can be quickly cooled, the heat energy of the circulating water is lower in the using process of the circulating water, the cooling efficiency is guaranteed, the obtuse included angle between the spray head 18 and the water baffle 19 reduces the upward sputtering amount of the water column impacting the water baffle 19 along the rear edge of the water baffle 19, the water source quickly falls back to the water tank 14, the water baffle 19 blocks part of sunlight from irradiating the water tank 14, the water volatilization amount of the water tank 14 is reduced, and the water resource is saved.

In this embodiment, as shown in fig. 1-3, the branch pipes 17 are several and are arranged along the axial direction of the main water pipe 16, the water outlet end of the main water pipe 16 is closed, a piston 20 is slidably mounted in the main water pipe 16, a spring 21 is further mounted in the main water pipe 16, the spring 21 is mounted at the water outlet end of the main water pipe 16 through compression of the piston 20, the branch pipe 17 close to the water outlet end of the main water pipe 16 is opened through compression of the piston 20 by the spring 21, when the spray head 18 on the branch pipe 17 far from the sealing end of the main water pipe 16 is blocked, the water pressure in the main water pipe 16 is increased, the piston 20 is pushed to compress the spring 21 so as to open the branch pipe 17 close to the sealing end of the main water pipe 16, thereby maintaining the water pressure balance in the pipeline, and when the spray head is replaced, the valve 22 is closed first, and then the spray head is opened after replacement.

In this embodiment, as shown in fig. 4 and 5, the crystallizer includes a copper tube 1 and a shell 2, the copper tube 1 penetrates the shell 2, a sealed cavity is formed between the inner wall of the shell 2 and the outer wall of the copper tube 1, a partition plate 3 is disposed on the outer wall of the copper tube 1 along the circumferential direction, the partition plate 3 is a plurality of blocks and is uniformly distributed along the axial line direction of the copper tube 1, the partition plate 3 divides the cavity into a plurality of cooling chambers, a partition plate 4 is disposed on the inner bottom surface of the shell 2, the partition plate 4 extends to the top of the shell 2, a through hole 5 is disposed on the partition plate 3, the through holes 5 on adjacent partition plates 3 are respectively disposed on both sides of the partition plate 4, a water inlet tube 6 and a water outlet tube 7 are disposed on the shell 2, the water inlet tube 6 is communicated with the cooling chamber on the lowest layer, the water outlet tube 7 is communicated with the cooling chamber on the uppermost layer, the water inlet ends of the partition plate 5 and the water outlet tube 7 are respectively disposed on both sides of the partition plate 4, the through hole 5 and the water inlet tube 6 on both sides of the partition plate 4 on the lowest layer, after the chamber is filled with the cooling water, the cooling water entering from the bottom spirally rises along the outer wall of the copper pipe 1 and flows out of the chamber, after the chamber is filled with the cooling water of the chamber without the partition plate 3, the cooling water entering from the bottom ascends along the outer wall of the copper pipe 1 and flows out of the chamber, the stroke of the spirally rising cooling water is increased, the heat exchange time of the cooling water is prolonged, and the utilization rate of the cooling water is improved.

In this embodiment, as shown in fig. 4 and 5, the inner wall of the cooling chamber is provided with the turbulence strips 8, the turbulence strips 8 are arranged on the housing 2 along the axial line direction of the copper pipe 1, the turbulence strips 8 are a plurality of and uniformly distributed around the circumference of the copper pipe 1, and the turbulence strips 8 enable the cooling water in each cooling chamber to generate turbulence, so that the temperature of the cooling water in the cooling chamber is uniform, and the heat exchange efficiency of the cooling water is improved.

In this embodiment, as shown in fig. 4 and 5, two pairs of carrier roller frames 9 are arranged at the bottom of the shell 2, the carrier roller frames are uniformly distributed around the end openings of the copper tube 1, the cross sections of the carrier roller frames are L-shaped, the inner included angles of each pair of carrier roller frames 9 are arranged in a back-to-back manner, a guide roller 10 is rotatably arranged between the adjacent carrier roller frames 9, the guide roller 10 is made of high-chromium steel, and a crystallized steel billet is in contact with the guide roller 10 when being pulled out of the crystallizer through an ingot guiding device, so that the risk of the steel ingot pulling out of the crystallizer in an arc shape to take exercise is reduced.

In this embodiment, as shown in fig. 4 and 5, a base 11 is disposed on an outer wall of the housing 2, the base 11 is located in the middle of the housing 2, a middle point of the base 11 is located on an axial line of the copper tube 1, a notch 12 is disposed on an edge of the base 11, a head of a bolt is clamped in the notch, and the mold is detachably mounted by tightening the bolt.

In this embodiment, as shown in fig. 4 and 5, the water inlet pipe 6 and the water outlet pipe 7 both penetrate through the base 11, and the water inlet end of the water inlet pipe 6 and the water outlet end of the water outlet pipe 7 are both provided with flanges a 13, so as to facilitate connection of the water supply pipe and the water return pipe.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.