Steam sealing structure of slab hydraulic vibration unit and continuous casting equipment

Abstract

The utility model discloses a steam sealing structure of a slab hydraulic vibration unit and continuous casting equipment, the vibration unit comprises a vibration part and a fixing part, and the vibration part is connected with an external crystallizer; the steam sealing structure comprises an upper cover body, an annular water tank and a lower cover body, the upper cover body is of an inverted cup-shaped structure, the top of the upper cover body is fixed to the top of the vibration part, the vibration part is covered with the upper cover body, and the bottom of the upper cover body extends downwards to the fixing part; the annular water tank is fixed on the fixing part, and the bottom end of the upper cover body is arranged in the annular water tank to form a water seal; the top of the lower cover body is fixed to the bottom of the annular water tank, and the bottom of the lower cover body extends to be attached to the ground. The upper cover body, the annular water tank and the lower cover body jointly form a sealing cover structure, and the vibration unit is isolated from steam of an external secondary cooling chamber through the sealing cover structure. A steam sealing structure of the slab hydraulic vibration unit is arranged, so that the vibration unit is isolated outside a secondary cooling chamber, the service life of the vibration unit is prolonged, and online overhaul and maintenance are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of slab continuous casting machine crystallizer, concretely relates to steam seal structure and continuous casting equipment of slab hydraulic vibration unit. BACKGROUND

[0002] At present, the slab continuous casting machine hydraulic vibration unit is usually exposed in the water vapor environment as a whole during production, and the vibration unit is the core equipment of the continuous casting machine, which works in the high-temperature and high-humidity environment of steam for a long time, and is not conducive to the long-term stable operation of the equipment. At the same time, the servo valve and sensor of the vibration unit cannot be checked in real time during the production process. UTILITY MODEL CONTENTS

[0003] In view of the above defects existing in the prior art, a steam seal structure and continuous casting equipment of slab hydraulic vibration unit are provided, so that the vibration unit is isolated outside the secondary cooling chamber, the service life of the vibration unit is improved, and online maintenance is facilitated.

[0004] The utility model discloses a technical scheme that adopts the following technical scheme in order to solve the above technical problems:

[0005] The steam seal structure of the slab hydraulic vibration unit, the vibration unit includes a vibration part and a fixed part, and the vibration part is connected with an external crystallizer;Characterized in that: the steam seal structure includes an upper cover body, a ring-shaped water tank and a lower cover body, the upper cover body adopts a cup-shaped structure with reverse buckling, the top of the upper cover body is fixed on the top of the vibration part, the upper cover body is covered on the vibration part, and the bottom of the upper cover body extends downward to the fixed part;The ring-shaped water tank is fixed on the fixed part, and the bottom end of the upper cover body is placed in the ring-shaped water tank to form a water seal;The top of the lower cover body is fixed on the bottom of the ring-shaped water tank, the bottom of the lower cover body extends to the ground, and a maintenance door is arranged on the lower cover body;The upper cover body, the ring-shaped water tank and the lower cover body jointly constitute a sealed cover structure, and the vibration unit is isolated from the steam of the secondary cooling chamber outside by the sealed cover structure.

[0006] According to the above technical scheme, the upper cover body only includes an upper cover body, and the depth and width of the ring-shaped water tank are determined according to the amplitude of the vibration part along with the upper cover body.

[0007] According to the above technical scheme, the upper cover body includes an upper cover body and a high-temperature-resistant soft rubber plate;The top end of the high-temperature-resistant soft rubber plate is fixed on the bottom end of the upper cover body, and the bottom end of the high-temperature-resistant soft rubber plate is placed below the water surface of the ring-shaped water tank;And the area of the high-temperature-resistant soft rubber plate below the water surface is greater than the maximum amplitude of the vibration part.

[0008] According to the above technical scheme, the length of the high-temperature-resistant soft rubber plate is not less than 5cm;The upper cover body and the high-temperature-resistant soft rubber plate are connected by bolts.

[0009] According to the above technical scheme, the upper cover body adopts a rectangular box structure surrounded by a steel plate, and the bottom of the box structure is not covered.

[0010] According to the technical scheme, the top of the upper cover body is provided with a plurality of through holes matched with the protruding parts on the top of the vibrating part; the non-through hole area of the upper cover body is attached to the planar area on the top of the vibrating part and is fixed by stainless steel bolts.

[0011] According to the technical scheme, the annular water tank is formed in an annular structure by a channel steel, and the shape of the annular water tank is matched with the shape of the bottom end of the upper cover body.

[0012] According to the technical scheme, the lower cover body comprises a vertical support and a steel plate welded to the support, the top end of the support is fixed to the annular water tank, and the steel plate is welded to the support and covers the inner vibrating assembly in the lower cover body.

[0013] According to the technical scheme, the vibrating assembly is arranged close to the wall of the outer secondary cooling chamber, the lower cover body and the wall of the secondary cooling chamber jointly form a sealed cover structure covering the fixed part of the vibrating assembly; and the wall is provided with an access door.

[0014] The continuous casting equipment is characterized in that: the vibrating unit is arranged on both sides of the crystallizer, and the steam sealing structure of the slab hydraulic vibrating unit is arranged on the vibrating unit.

[0015] The utility model has the advantages of:

[0016] 1. The upper cover body is fixedly arranged on the vibrating part, and the upper cover body vibrates with the vibrating part; the annular water tank and the lower cover body are arranged on the vibrating part and fixedly connected to the fixed part; the vibrating unit is isolated from the water vapor in the secondary cooling chamber by the upper and lower cover bodies, the working environment of the vibrating unit is optimized, the service life of the vibrating unit is prolonged, and the online maintenance of the vibrating unit is facilitated. In addition, the water seal is formed between the upper cover body and the annular water tank, the continuity of the sealing of the vibrating unit by the upper cover body to the lower cover body is ensured during the vibration of the vibrating part, and the sealing effect of the steam is improved.

[0017] 2. In order to further avoid the vibration of the upper cover body with the vibrating part during the vibration process, the vibration of the upper cover body with the vibrating part is avoided, and the interference between the upper cover body and the annular water tank is avoided, and the use is affected; the depth and width of the annular water tank are determined according to the amplitude of the vibration of the vibrating part.

[0018] 3. In order to further avoid the vibration of the upper cover body with the vibrating part during the vibration process, the vibration of the upper cover body with the vibrating part is avoided, and the interference between the upper cover body and the annular water tank is avoided, and the use is affected; and the size of the annular water tank is reduced, and a high-temperature-resistant soft rubber plate is arranged at the bottom of the upper cover body.

[0019] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following is a detailed description of the preferred embodiments of the present invention with the accompanying drawings. The specific implementation methods of the present invention are given in detail in the following embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0021] Figure 1 This utility model provides an embodiment;

[0022] Figure 2 This utility model provides an embodiment;

[0023] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0024] Figure 4 This utility model provides an embodiment;

[0025] In the figure, 1. Vibrating part; 2. Fixed part; 3. Crystallizer; 4. Upper cover; 4-1. Upper cover body; 4-2. High-temperature resistant soft rubber plate; 5. Annular water tank; 6. Lower cover; 7. Secondary cooling chamber; 8. Wall; B. Center line of continuous casting machine; C. Outer arc reference line of continuous casting machine. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-4 The principles and features of the present invention are described, and the examples provided are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are greatly simplified and not to exact scale, and are intended solely to facilitate and clearly illustrate the embodiments of the present invention.

[0027] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0029] Referring to Figures 1 and 2 The steam sealing structure of the slab hydraulic vibration unit is provided.

[0030] Embodiment 1

[0031] The vibration unit comprises a vibration part 1 and a fixed part 2, and the vibration part is connected with an external crystallizer 3. The steam sealing structure further comprises an upper cover body 4, an annular water tank 5, and a lower cover body 6. The upper cover body adopts a cup-shaped structure with a reverse buckle, the top of the upper cover body is fixed on the top of the vibration part, the upper cover body is covered on the vibration part, and the bottom of the upper cover body extends downward to the fixed part. The annular water tank is fixed on the fixed part, and the bottom end of the upper cover body is arranged in the annular water tank to form a water seal. The top of the lower cover body is fixed on the bottom of the annular water tank, the bottom of the lower cover body extends to the ground, and a maintenance door is arranged on the lower cover body. The upper cover body, the annular water tank, and the lower cover body jointly form a sealing cover structure, and the sealing cover structure isolates the vibration unit from the steam of an external secondary cooling chamber 7.

[0032] In the embodiment, the upper cover body is fixed on the vibration part and vibrates with the vibration part. The annular water tank and the lower cover body are arranged on the vibration part and fixedly connected with the fixed part. The vibration unit is isolated from the water vapor in the secondary cooling chamber by the upper and lower cover bodies, the working environment of the vibration unit is optimized, the service life of the vibration unit is improved, and the online maintenance of the vibration unit is facilitated. In addition, the water seal is formed between the upper cover body and the annular water tank, which ensures the continuity of the sealing of the vibration unit by the upper cover body and the lower cover body during the vibration of the vibration part, and improves the sealing effect of the steam.

[0033] Embodiment 2

[0034] The structure and principle of Embodiment 2 are similar to those of Embodiment 1, and the difference lies in that, in order to avoid large amplitude vibration of the upper cover body during vibration of the vibration part, which causes interference between the upper cover body and the annular water tank and affects use, a preferred structure of the upper cover body is given. The upper cover body only comprises an upper cover body body, and the depth and width of the annular water tank are determined according to the amplitude of the vibration of the vibration part. In the embodiment, a large enough annular water tank is arranged, so that the bottom of the upper cover body neither separates from the water surface nor collides with the annular water tank during the vibration of the vibration part.

[0035] Example 3

[0036] The structure and principle of Example 3 are similar to those of Example 1, except that: to further prevent the upper cover from vibrating with the vibrating portion, causing interference between the upper cover and the annular water tank, thereby affecting its use, the upper cover includes an upper cover body 4-1 and a high-temperature-resistant soft rubber plate 4-2. The top end of the high-temperature-resistant soft rubber plate is fixed to the bottom end of the upper cover body, and the bottom end of the high-temperature-resistant soft rubber plate is placed below the water surface of the annular water tank. The area of ​​the high-temperature-resistant soft rubber plate below the water surface is greater than the maximum amplitude of the vibrating portion. In this embodiment, the high-temperature-resistant soft rubber plate is provided, eliminating the need for a sufficiently large annular water tank. Even if the high-temperature-resistant soft rubber plate collides with the annular water tank during the upper cover's vibration with the vibrating portion, normal use of the annular water tank will not be affected.

[0037] Preferably, the length of the high-temperature resistant soft rubber plate is not less than 5 cm; the upper cover body is connected to the high-temperature resistant soft rubber plate by bolts.

[0038] In Example 3, the upper cover body is formed into a rectangular box structure using steel plates, and the bottom of the box structure has no cover.

[0039] In Example 3, in order to facilitate the installation of the upper cover body on the vibration part and ensure the stability of the upper cover body installed on the top of the vibration part, a plurality of through holes matching the raised parts on the top of the vibration part are provided on the top of the upper cover body; the non-through hole area of ​​the upper cover body is fitted on the flat area on the top of the vibration part and is fixed by stainless steel bolts.

[0040] In Examples 1-3, the annular water trough adopts an annular structure formed by surrounding channel steel, and the shape of the annular water trough matches the shape of the bottom end of the upper cover body.

[0041] In Examples 1-3, the lower cover includes a vertically arranged bracket and a steel plate welded to the bracket. The top of the bracket is fixed to the annular water tank, the steel plate is welded to the bracket, and the inner vibration component is covered in the lower cover.

[0042] In Examples 1-3, the vibration assembly is arranged close to the wall 8 of the external second cooling chamber, and the lower cover and the wall of the second cooling chamber together constitute a sealed cover structure, which is arranged at the fixed part of the vibration assembly; an inspection door is provided on the wall.

[0043] The utility model also provides a continuous casting device, wherein vibration units are respectively provided on both sides of the crystallizer, and the steam sealing structure of any one of the above-mentioned slab hydraulic vibration units is arranged on the vibration units.

[0044] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A steam sealing structure for a slab hydraulic vibration unit, wherein the vibration unit comprises a vibration portion and a fixed portion, and the vibration portion is connected to an external crystallizer; the characteristics of the structure are: The steam sealing structure includes an upper cover body, an annular water trough, and a lower cover body. The upper cover body adopts an inverted cup-shaped structure. The top of the upper cover body is fixed to the top of the vibration part, the upper cover body is arranged on the vibration part, and the bottom of the upper cover body extends downward to the fixed part; the annular water trough is fixed on the fixed part, and the bottom end of the upper cover body is placed in the annular water trough to form a water seal; the top of the lower cover body is fixed to the bottom of the annular water trough, the bottom of the lower cover body extends to touch the ground, and an inspection door is provided on the lower cover body; the upper cover body, the annular water trough and the lower cover body together constitute a sealing cover structure, which isolates the vibration unit from the steam in the external secondary cold chamber.

2. The steam sealing structure of the slab hydraulic vibration unit according to claim 1, characterized in that: The upper cover body only includes the upper cover body body, and the depth and width of the annular water groove are determined according to the amplitude of the upper cover body with the vibration part.

3. The steam sealing structure of the slab hydraulic vibration unit according to claim 1, characterized in that: The upper cover body includes an upper cover body and a high-temperature resistant soft rubber plate; the top end of the high-temperature resistant soft rubber plate is fixed to the bottom end of the upper cover body, and the bottom end of the high-temperature resistant soft rubber plate is placed below the water surface of the annular water tank; and the area of ​​the high-temperature resistant soft rubber plate below the water surface is greater than the maximum amplitude of the vibration part.

4. The steam sealing structure of the slab hydraulic vibration unit according to claim 3, characterized in that: The length of the high-temperature resistant soft rubber plate is not less than 5 cm; the upper cover body is connected to the high-temperature resistant soft rubber plate through bolts.

5. The steam sealing structure of the slab hydraulic vibration unit according to any one of claims 2 to 4, characterized in that: The upper cover body is formed into a rectangular box structure by using steel plates, and the bottom of the box structure has no cover.

6. The steam sealing structure of the slab hydraulic vibration unit according to claim 5, characterized in that: The top of the upper cover is provided with a plurality of through holes matching the raised parts on the top of the vibration part; the non-through hole area of ​​the upper cover is fitted on the plane area on the top of the vibration part and is fixed by stainless steel bolts.

7. The steam sealing structure of the slab hydraulic vibration unit according to claim 1, characterized in that: The annular water tank adopts an annular structure formed by surrounding channel steel, and the shape of the annular water tank matches the shape of the bottom end of the upper cover body.

8. The steam sealing structure of the slab hydraulic vibration unit according to claim 1, characterized in that: The lower cover includes a vertically arranged bracket and a steel plate welded and fixed to the bracket. The top of the bracket is fixed on the annular water tank. The steel plate is welded to the bracket, and the inner vibration component is covered in the lower cover.

9. The steam sealing structure of the slab hydraulic vibration unit according to claim 8, characterized in that: The vibration component is arranged close to the wall of the external second cooling chamber. The lower cover and the wall of the second cooling chamber together form a sealed cover structure. The cover is arranged at the fixed part of the vibration component. An inspection door is provided on the wall.

10. Continuous casting equipment, characterized in that: Vibration units are provided on both sides of the crystallizer, and a steam sealing structure of the slab hydraulic vibration unit as claimed in any one of claims 1 to 9 is provided on the vibration units.

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