CN214060602U

CN214060602U - Spiral rising type water-cooling crystallizer

Info

Publication number: CN214060602U
Application number: CN202022782236.9U
Authority: CN
Inventors: 秦雷
Original assignee: Zibo Qindingchang Special Steel Technology Co ltd
Current assignee: Zibo Qindingchang Special Steel Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-27
Anticipated expiration: 2030-11-26

Abstract

The utility model belongs to the technical field of electroslag remelting equipment, concretely relates to spiral rising formula water-cooled crystallizer, including outer wall and inner wall, the inner wall inboard is the slag bath, and outer wall, inner wall, last end cap and lower end cap between form inclosed annular water-cooling chamber, the sub-unit connection water inlet of water-cooling chamber, the return water mouth is connected on the upper portion of water-cooling chamber, the water-cooling chamber in be equipped with the spiral plate, the inner wall is connected to the spiral plate inboard, the outer wall is connected in the spiral plate outside, the spiral plate makes the water-cooling intracavity form a spiral rising's runner. The fluid forms the heliciform and rises, and the fluid of this mode not only can avoid forming the fluid dead angle in the water-cooling chamber, but also has increased the route of flowing through of cooling water, makes the heat transfer time extension of cooling water in the water-cooling intracavity, has improved the utilization ratio of cooling water, has further improved the cooling effect. The cold water discharge paths are uniformly distributed, so that circulating cooling water is fully utilized, the cooling efficiency is high, the cooling effect is good, and the production requirement is met.

Description

Spiral rising type water-cooling crystallizer

Technical Field

The utility model relates to a spiral rising formula water-cooled crystallizer belongs to electroslag equipment technical field.

Background

Electroslag remelting is a method of melting using resistance heat generated when current passes through slag as a heat source. The purpose is to improve the purity of metal and improve ingot casting crystallization. Electroslag remelting steel is increasingly widely applied due to good quality and longer service life, particularly widely applied to aerospace and various military products, and also widely applied to civil industry in recent years.

The electroslag remelting crystallizer comprises an inner cylinder and an outer cylinder, wherein flowing cold water is filled between the inner cylinder and the outer cylinder for cooling, the flow direction of the cooling water is from the bottom to the top, so that a water cooling cavity is filled with the cooling water, and an ingot is crystallized from the bottom to the top. However, the outer cylinder of the existing crystallizer is respectively provided with a water inlet and a water outlet, which are easy to generate fluid dead angles, so that fluid in a certain part of the water cooling cavity slowly flows or even does not flow, the fluid in the part loses the heat exchange cooling effect, circulating cooling water cannot be fully utilized, the cooling efficiency is low, and the cooling effect is poor. Moreover, due to the disorder and flow mixing of the fluid, the ingot is not completely in the crystallization order from bottom to top, so that the product quality is affected.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the defects of the prior art are overcome, and the spiral rising type water-cooled crystallizer is provided to solve the problems.

Spiral rising formula water-cooled crystallizer, including outer wall and inner wall, the inner wall inboard is the slag bath, forms inclosed annular water-cooling chamber between outer wall, inner wall, the last end cap and the lower end cap, the sub-unit connection water inlet of water-cooling chamber, the return water mouth is connected on the upper portion of water-cooling chamber, the water-cooling chamber in be equipped with the spiral plate, the inner wall is connected to the spiral plate inboard, the outer wall is connected in the spiral plate outside, the spiral plate makes the water-cooling intracavity form a spiral rising's runner.

This structure can be so that the cooling water forms the rotation in the water-cooling chamber, and when the cooling water flowed from the bottom up, the fluid formed the heliciform and risen, and the fluid of this mode not only can avoid forming the fluid dead angle in the water-cooling chamber, but also increased the route of flowing through of cooling water, made the heat transfer time extension of cooling water in the water-cooling intracavity, improved the utilization ratio of cooling water, further improved the cooling effect. And the fluid rises spirally, the cooling heat exchange surface is uniform, so that the cast ingot in the slag pool is uniformly cooled from bottom to top, the cooling effect is uniform, the cooling effect is very good, and the product quality is greatly improved.

The ratio of the inner diameter of the inner wall to the pitch of the spiral plate is 5: 1-7: 1, so that the layout of the device is more reasonable, the cooling water is fully utilized, the problem that the cooling water flows through too large paths due to too large ratio of the inner diameter of the inner wall to the pitch of the spiral plate is solved, the flow time is too long, the cast ingot cooling effect on the upper portion is poor, the problem that the cooling water flows through too small paths due to too small ratio of the inner diameter of the inner wall to the pitch of the spiral plate is solved, the flow time is too short, the cooling water cannot be subjected to sufficient heat exchange, and the cooling water cannot be fully utilized.

Preferably, the ratio of the inner diameter of the inner wall to the pitch of the helical plate is 6: 1.

And a sewage draining outlet is formed in the bottom of the outer wall. After long-time use, the water inlet can be closed, water is reversely fed from the water return port, the drain outlet is opened, and impurities remaining in the water cooling cavity are washed.

Preferably, the outer wall is provided with lifting lugs, and the lifting lugs are symmetrically arranged on two sides of the outer wall. Convenient equipment hoisting

Compared with the prior art, the utility model beneficial effect who has is:

spiral rising formula water-cooling crystallizer, simple structure, design benefit, the fluid forms the heliciform and rises, the fluid of this mode not only can avoid forming the fluid dead angle in the water-cooling chamber, but also has increased the route of flowing through of cooling water, makes the heat transfer time extension of cooling water in the water-cooling intracavity, has improved the utilization ratio of cooling water, has further improved the cooling effect. The cold water discharge paths are uniformly distributed, so that circulating cooling water is fully utilized, the cooling efficiency is high, the cooling effect is good, and the production requirement is met.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a sectional view of a front view of the present invention;

fig. 4 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a slag pool; 2. an upper plug; 3. lifting lugs; 4. an outer wall; 5. a sewage draining outlet; 6. a lower plug; 7. a water inlet; 8. a water return port; 9. an inner wall; 10. a spiral plate; 11. a water cooling cavity.

Detailed Description

The invention will be further described with reference to the following examples:

as shown in fig. 1-4, spiral rising formula water-cooling crystallizer, including outer wall 4 and inner wall 9, inner wall 9 inboard is slag bath 1, forms inclosed annular water-cooling chamber 11 between outer wall 4, inner wall 9, the last end cap 2 and the lower end cap 6, the sub-unit connection water inlet 7 of water-cooling chamber 11, return water mouth 8 is connected on the upper portion of water-cooling chamber 11, water-cooling chamber 11 in be equipped with spiral plate 10, spiral plate 10 inboard connection inner wall 9, outer wall 4 is connected in the spiral plate 10 outside, spiral plate 10 makes the interior runner that forms a spiral rising of water-cooling chamber 11.

Wherein the ratio of the inner diameter of the inner wall 9 to the pitch of the spiral plate 10 is 6: 1.

The bottom of outer wall 4 is equipped with drain 5, still is equipped with lug 3, and lug 3 sets up at the bilateral symmetry of outer wall 4.

Utility model's theory of operation:

utility model discloses can be so that the cooling water forms the rotation in water-cooling chamber 11, when the cooling water flows from the bottom up, the fluid forms the heliciform and rises, and the fluid of this mode not only can avoid forming the fluid dead angle in water-cooling chamber 11, but also has increased the route of flowing through of cooling water, makes the heat transfer time extension of cooling water in water-cooling chamber 11, has improved the utilization ratio of cooling water, has further improved the cooling effect. And the fluid rises spirally, the cooling heat exchange surface is uniform, the cast ingot in the slag pool 1 is uniformly cooled from bottom to top, the cooling effect is uniform, the cooling effect is very good, and the product quality is greatly improved. The ratio of the inner diameter of the inner wall 9 to the pitch of the spiral plate 10 is 6:1, so that the layout of the device is more reasonable, the cooling water is fully utilized, the phenomenon that the cooling water flows through too large paths and too long flowing time due to too large ratio of the inner diameter of the inner wall 9 to the pitch of the spiral plate 10 to cause poor ingot cooling effect at the upper part is avoided, the phenomenon that the cooling water flows through too small paths and too short flowing time due to too small ratio of the inner diameter of the inner wall 9 to the pitch of the spiral plate 10 to cause insufficient heat exchange of the cooling water is avoided, and the utilization rate of the cooling water is reduced.

Claims

1. The utility model provides a spiral rising formula water-cooling crystallizer, includes outer wall (4) and inner wall (9), and inner wall (9) inboard is slag bath (1), and outer wall (4), inner wall (9), go up end cap (2) and form inclosed annular water-cooling chamber (11) down between end cap (6), the sub-unit connection water inlet (7) of water-cooling chamber (11), return water mouth (8), its characterized in that are connected on the upper portion of water-cooling chamber (11): a spiral plate (10) is arranged in the water cooling cavity (11), the inner side of the spiral plate (10) is connected with the inner wall (9), the outer side of the spiral plate (10) is connected with the outer wall (4), and the spiral plate (10) enables a spirally-rising flow channel to be formed in the water cooling cavity (11);

the ratio of the inner diameter of the inner wall (9) to the pitch of the spiral plate (10) is 5: 1-7: 1;

and a sewage draining outlet (5) is formed at the bottom of the outer wall (4).

2. The screw-up water-cooled crystallizer of claim 1, wherein: the ratio of the inner diameter of the inner wall (9) to the pitch of the spiral plate (10) is 6: 1.

3. The screw-up water-cooled crystallizer of claim 1, wherein: the outer wall (4) is provided with lifting lugs (3), and the lifting lugs (3) are symmetrically arranged on two sides of the outer wall (4).