CN220288168U

CN220288168U - Lining structure of heat-insulation molten pool

Info

Publication number: CN220288168U
Application number: CN202321776698.7U
Authority: CN
Inventors: 康俊奇; 刘军; 郭殿晖; 贾兴盛
Original assignee: Jiaocheng Yiwang Ferroalloy Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Jiaocheng Yiwang Ferroalloy Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-01-02
Anticipated expiration: 2033-07-06

Abstract

The utility model discloses a heat-insulating molten pool lining structure which consists of a steel shell outer layer and heat-insulating refractory layers, wherein the steel shell outer layer is arranged on the periphery and the bottom of a heat-insulating molten pool through welding, a spraying device is arranged on the outer side of the steel shell and is used for cooling treatment, the heat-insulating refractory layers are arranged on the inner side of the steel shell outer layer, the steel shell outer layer and the heat-insulating refractory layers are bonded through cement, the heat-insulating refractory layers on the bottom and the left and right sides of the heat-insulating molten pool consist of a first heat-insulating refractory layer and a second heat-insulating refractory layer, and the heat-insulating refractory layers on the front side and the rear side of the heat-insulating molten pool consist of a first heat-insulating refractory layer. The external water spraying structure can be used, and fireproof insulating bricks are added on the four walls of the molten pool, so that the heat can be effectively preserved, the cooling rate of slag is reduced, and the structure is simple and easy to maintain.

Description

Lining structure of heat-insulation molten pool

Technical Field

The utility model relates to the technical field of metallurgical equipment, in particular to a heat-preservation molten pool lining structure.

Background

Slag flows out of the flashboard to enter the heat preservation molten pool, clarifies and discharges bubbles, stabilizes to a proper fiber forming temperature, stabilizes fiber forming flow, and then flows into a four-roller centrifuge for centrifugal fiber forming. At present, a steel plate welding internal water-cooling structure is adopted, the cooling rate of slag in a molten pool is high, slag fiber formation is not facilitated, and maintenance is complex.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a heat-preservation molten pool lining structure, which adopts the following technical scheme: the utility model provides a heat preservation molten pool lining structure comprises steel shell skin and heat preservation flame retardant coating, the steel shell skin passes through the welding to be set up around heat preservation molten pool and bottom, sets up spray set in the steel shell outside, carries out the cooling treatment, the heat preservation flame retardant coating sets up in the steel shell skin inboard, steel shell skin and heat preservation flame retardant coating pass through the clay bonding, and heat preservation flame retardant coating in heat preservation molten pool bottom and length direction both sides comprises first heat preservation flame retardant coating and second heat preservation flame retardant coating, and heat preservation flame retardant coating in heat preservation molten pool width direction both sides comprises first heat preservation flame retardant coating, and one of them one side of width direction is equipped with the iron notch.

Further, the first heat-preserving refractory layer and the second heat-preserving refractory layer at the bottom of the heat-preserving molten pool are of a ladder-type structure.

Further, the first heat-preservation refractory layer at the bottom of the heat-preservation molten pool is a carbon brick layer, and the second heat-preservation refractory layer is a magnesium sand layer.

Further, the thickness of the carbon brick layer at the bottom of the heat preservation molten pool is 100cm, and the thickness of the magnesium sand layer is 65cm.

Further, the first heat-preservation refractory layers on two sides of the heat-preservation molten pool in the length direction are carbon brick layers, the upper parts of the second heat-preservation refractory layers are carbon brick layers, and the lower parts of the second heat-preservation refractory layers are mullite fiber layers.

Further, the thickness of the carbon brick layer of the first heat-preserving refractory layer at the two sides of the length direction of the heat-preserving molten pool is 80cm, the thickness of the carbon brick layer of the second heat-preserving refractory layer is 30cm, and the thickness of the moxibusine layer is 30cm.

Further, the height of the carbon brick layer of the second heat-insulating refractory layer at the two sides of the heat-insulating molten pool in the length direction is 100cm.

Further, the first heat-preserving refractory layers at the two sides of the width direction of the heat-preserving molten pool are carbon brick layers.

Further, the thickness of the carbon brick layer of the first heat-preserving refractory layer at the two sides of the width direction of the heat-preserving molten pool is 80cm.

The technical means of the utility model can achieve the following beneficial effects: the external water spraying structure can be used, and fireproof insulating bricks are added on the four walls of the molten pool, so that the heat can be effectively preserved, the cooling rate of slag is reduced, and the structure is simple and easy to maintain.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:

FIG. 1 is a cross-sectional view of a lining structure of a heat preservation molten pool provided by the utility model;

FIG. 2 is a top view of the heat preservation bath liner structure provided by the utility model;

in the accompanying drawings: 1-an outer layer of the steel shell,

2-heat-insulating refractory layer, 21-first heat-insulating refractory layer, 22-second heat-insulating refractory layer

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.

Referring to fig. 1-2, the heat preservation molten pool lining structure is an exemplary structure provided by the utility model, and is composed of a steel shell outer layer 1 and a heat preservation refractory layer 2, wherein the steel shell outer layer 1 is arranged around and at the bottom of a heat preservation molten pool through welding, a spraying device is arranged at the outer side of the steel shell for cooling treatment, the heat preservation refractory layer 2 is arranged at the inner side of the steel shell outer layer 1, the steel shell outer layer 1 and the heat preservation refractory layer 2 are bonded through cement, the heat preservation refractory layer 2 at the bottom and at the two sides of the length direction of the heat preservation molten pool is composed of a first heat preservation refractory layer 21 and a second heat preservation refractory layer 22, the heat preservation refractory layer 2 at the two sides of the width direction of the heat preservation molten pool is composed of a first heat preservation refractory layer 21, and a tapping hole is arranged at one side of the width direction of the heat preservation molten pool. The first heat-preserving refractory layer 21 and the second heat-preserving refractory layer 21 at the bottom of the heat-preserving molten pool are of a ladder-shaped structure, wherein the first heat-preserving refractory layer 21 is a carbon brick layer, the second heat-preserving refractory layer 22 is a magnesia layer, the thickness of the carbon brick layer at the bottom of the heat-preserving molten pool is 100cm, and the thickness of the magnesia layer is 65cm.

The first heat-preserving refractory layers 21 on two sides of the length direction of the heat-preserving molten pool are carbon brick layers, the upper parts of the second heat-preserving refractory layers 22 are carbon brick layers, the lower parts of the second heat-preserving refractory layers 22 are mullite fiber layers, wherein the thickness of the carbon brick layers of the first heat-preserving refractory layers is 80cm, the thickness of the carbon brick layers of the second heat-preserving refractory layers is 30cm, the thickness of the mullite fiber layers is 30cm, and the height of the carbon brick layers of the second heat-preserving refractory layers is 100cm.

The first heat-insulating refractory layers 21 on both sides of the heat-insulating bath in the width direction are carbon brick layers, wherein the thickness of the carbon brick layers of the first heat-insulating refractory layers is 80cm.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and modifications or equivalent substitutions made by those skilled in the art to the technical solution of the present utility model are included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a heat preservation molten pool lining structure which characterized in that: the steel shell is composed of a steel shell outer layer (1) and a heat-insulating refractory layer (2), wherein the steel shell outer layer (1) is arranged on the periphery and the bottom of a heat-insulating molten pool through welding, the heat-insulating refractory layer (2) is arranged on the inner side of the steel shell outer layer (1), the steel shell outer layer (1) and the heat-insulating refractory layer (2) are bonded through cement, the heat-insulating refractory layer (2) is composed of a first heat-insulating refractory layer (21) and a second heat-insulating refractory layer (22) from inside to outside on the bottom of the heat-insulating molten pool and on two sides of the length direction, the first heat-insulating refractory layer (21) and the second heat-insulating refractory layer (22) are bonded through cement, and the heat-insulating refractory layer (2) is composed of a first heat-insulating refractory layer (21) on two sides of the width direction of the heat-insulating molten pool.

2. The heat retaining bath liner structure of claim 1, wherein: the first heat-preserving refractory layer (21) and the second heat-preserving refractory layer (22) at the bottom of the heat-preserving molten pool are of a ladder-shaped structure.

3. The heat retaining bath liner structure of claim 1, wherein: the first heat-preservation refractory layer (21) is a carbon brick layer at the bottom of the heat-preservation molten pool, and the second heat-preservation refractory layer (22) is a magnesia layer.

4. The heat retaining bath liner structure of claim 1, wherein: the first heat-preserving refractory layers (21) on two sides of the heat-preserving molten pool in the length direction are carbon brick layers, the upper parts of the second heat-preserving refractory layers (22) are carbon brick layers, and the lower parts of the second heat-preserving refractory layers (22) are mullite fiber layers.

5. The heat retaining bath liner structure of claim 1, wherein: the first heat-preserving refractory layers (21) are carbon brick layers at two sides of the heat-preserving molten pool in the width direction.

6. A heat retaining molten bath liner structure according to claim 3, wherein: the thickness of the carbon brick layer at the bottom of the heat preservation molten pool is 100cm, and the thickness of the magnesium sand layer is 65cm.

7. The heat retaining bath liner structure of claim 4, wherein: the thickness of the carbon brick layer of the first heat-preserving refractory layer (21) at the two sides of the length direction of the heat-preserving molten pool is 80cm, the thickness of the carbon brick layer of the second heat-preserving refractory layer (22) is 30cm, and the thickness of the mozzie layer is 30cm.

8. The heat retaining bath liner structure of claim 4, wherein: the height of the carbon brick layer of the second heat-insulating refractory layer (22) at the two sides of the heat-insulating molten pool in the length direction is 100cm.

9. The heat retaining bath liner structure of claim 5, wherein: the thickness of the carbon brick layer of the first heat-preserving refractory layer (21) at the two sides of the width direction of the heat-preserving molten pool is 80cm.