CN218511483U - Sealing structure for masonry mortar joint of refractory lining bricks of gasification furnace - Google Patents
Sealing structure for masonry mortar joint of refractory lining bricks of gasification furnace Download PDFInfo
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- CN218511483U CN218511483U CN202221861628.7U CN202221861628U CN218511483U CN 218511483 U CN218511483 U CN 218511483U CN 202221861628 U CN202221861628 U CN 202221861628U CN 218511483 U CN218511483 U CN 218511483U
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Abstract
The utility model belongs to the technical field of sealing of masonry mortar joints of refractory lining bricks of gasification furnaces, and discloses a sealing structure of masonry mortar joints of refractory lining bricks of gasification furnaces, wherein a heat preservation layer is arranged at the inner side of a supporting layer, the heat preservation layer is in a ring shape built by the refractory bricks of the heat preservation layer, and the heat preservation layer is built layer by layer from the bottom to the upper part of a steel shell of the gasification furnace; the working layer is arranged at the inner side of the heat preservation layer, the working layer is in a ring shape built by refractory bricks of the working layer, and the working layer is built layer by layer from the bottom to the upper part of the steel shell of the gasification furnace. The utility model has the advantages that: the excessive temperature of a steel shell of the gasification furnace and the shutdown of the gasification furnace caused by the high-temperature airflow entering a supporting layer or a heat-insulating layer are avoided; the service life of the working layer refractory brick is prolonged, the maintenance cost is reduced, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the sealed of mortar joint is built by laying bricks or stones to gasifier refractory lining brick, concretely relates to seal structure of mortar joint is built by laying bricks or stones to gasifier refractory lining brick.
Background
The gasification furnace, i.e. coal gasification furnace, is an important key device in the technical field of coal chemical industry, and the coal gasification furnace can be divided into a normal pressure gasification furnace and a pressurized gasification furnace according to an internal pressurization mode. The main functions of the refractory lining brick of the gasification furnace are as follows: on one hand, the steel shell of the gasification furnace is protected, and the service life of the steel shell of the gasification furnace is prolonged. On the other hand, the device has the function of heat preservation, prevents the temperature in the gasification furnace from being lost too fast, and keeps the stable working temperature in the gasification furnace.
In the prior art, a refractory lining brick in a gasification furnace is divided into a working layer, a heat-insulating layer and a supporting layer from inside to outside. Refractory mortar is used for bonding between each layer of refractory bricks, and mortar joints are formed between the refractory bricks. As the refractory mortar is not sintered at high temperature, the strength is not high, and the mortar joint is a weak part of the refractory material. When the coal slurry is washed by high-temperature high-pressure air flow, refractory bricks can be quickly damaged, high-temperature air flow enters the supporting layer or the heat insulation layer, the steel shell of the gasification furnace is over-heated, and the gasification furnace is stopped. At the moment, the refractory bricks of the working layer need to be replaced without reaching the service life, so that the maintenance cost is increased, and the production efficiency is reduced. The inventor develops a sealing structure of a refractory lining brick masonry mortar joint of a gasification furnace based on the defects in the prior art, and can well solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem, the utility model provides a seal structure of gasifier refractory lining brick masonry mortar joint, its design simple structure, scientific and reasonable, effectively stopped to get into supporting layer or heat preservation because of the high temperature air current, caused the casing super temperature, the gasifier parks. The utility model discloses can solve because of high temperature air current gets into supporting layer or heat preservation, cause the casing overtemperature, the technical problem that the gasifier parkked.
The utility model provides a technical scheme that technical problem adopted is: a sealing structure of a gasifier refractory lining brick masonry mortar joint comprises a gasifier steel shell, a supporting layer, a heat insulation layer and a working layer; the inner wall of the steel shell of the gasification furnace is provided with a supporting layer, and the supporting layer is in a ring shape built by refractory bricks of the supporting layer; the supporting layer is built layer by layer from the bottom to the upper part of the steel shell of the gasification furnace; the heat-insulating layer is arranged at the inner side of the supporting layer and is in a ring shape built by heat-insulating layer refractory bricks, and the heat-insulating layer is built layer by layer from the bottom to the upper part of the gasifier steel shell; the working layer is arranged at the inner side of the heat preservation layer, the working layer is in a ring shape built by refractory bricks of the working layer, and the working layer is built layer by layer from the bottom to the upper part of the steel shell of the gasification furnace; the mortar joint of the supporting layer refractory brick of the supporting layer and the mortar joint of the heat-insulating layer refractory brick of the heat-insulating layer are arranged in a radially staggered manner, and the mortar joint of the heat-insulating layer refractory brick of the heat-insulating layer and the mortar joint of the working layer refractory brick of the working layer are arranged in a radially staggered manner.
The supporting layer, the heat insulation layer and the working layer are tightly attached.
The supporting layer refractory brick, the heat-insulating layer refractory brick and the working layer refractory brick body are arc-shaped.
The mortar joints of the supporting layer refractory bricks of the supporting layer and the mortar joints of the insulating layer refractory bricks of the insulating layer are staggered in the radial direction to form curved surface sealing.
The mortar joint of the heat-insulating layer refractory brick of the heat-insulating layer and the mortar joint of the working layer refractory brick of the working layer are radially staggered to form curved surface sealing.
The working process of the sealing structure for the fireproof lining brick masonry mortar joint of the gasification furnace is as follows: firstly, building a supporting layer of refractory bricks in an annular manner around the circumferential direction of the inner wall of the gasifier steel shell, building the supporting layer from the bottom of the gasifier steel shell to the upper layer, then building an insulating layer of refractory bricks in an annular manner around the circumferential direction of the inner wall of the supporting layer, and building the supporting layer of refractory bricks from the bottom of the gasifier steel shell to the upper layer; finally, the refractory bricks of the working layer are built around the inner wall of the heat-insulating layer in the circumferential direction to form an annular working layer. When high-temperature high-pressure air flow and coal slurry in the gasification furnace impact the surface of a working layer refractory brick of a working layer, even if the ash joint is damaged, the ash joint of the heat preservation layer and the ash joint of the working layer are staggered to form a curved surface seal (the heat preservation refractory brick body and the working layer refractory brick are staggered and attached tightly), the high-temperature air flow cannot flow between the supporting layer and the heat preservation layer, so that the temperature of a steel shell of the gasification furnace is within a normal operation range, the service life of the working layer refractory brick is prolonged, the maintenance cost is reduced, and the production efficiency is improved.
The mortar joint of the supporting layer refractory brick of the supporting layer and the mortar joint of the heat-insulating layer refractory brick of the heat-insulating layer are arranged in a radially staggered manner, and the mortar joint of the heat-insulating layer refractory brick of the heat-insulating layer and the mortar joint of the working layer refractory brick of the working layer are arranged in a radially staggered manner. The main purposes of this arrangement are: on one hand, high-temperature airflow is prevented from entering between the supporting layer and the heat insulation layer through the mortar joint to generate flow; on the other hand, the heat-insulating layer and the supporting layer are protected, so that the temperature of the steel shell of the gasification furnace is in a normal operation range.
The supporting layer, the heat-insulating layer and the working layer are tightly attached. The main purposes of this arrangement are: on one hand, the integrity among the supporting layer, the heat-insulating layer and the working layer is improved; and on the other hand, the arch fastening force of the annular supporting layer, the heat insulation layer and the working layer is improved.
The utility model has the advantages that: the excessive temperature of a steel shell of the gasification furnace and the shutdown of the gasification furnace caused by the high-temperature airflow entering a supporting layer or a heat-insulating layer are avoided; the service life of the working layer refractory brick is prolonged, the maintenance cost is reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic diagram of the masonry structure of the firebricks of the working layer and the insulating layer of the utility model;
the labels in the figure are: 1. the gasification furnace comprises a steel shell of a gasification furnace, 2 parts of a supporting layer, 3 parts of a heat insulation layer, 4 parts of a working layer, 5 parts of supporting layer refractory bricks, 6 parts of heat insulation layer refractory bricks, and 7 parts of working layer refractory bricks.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in the figure, the utility model provides a sealing structure of a refractory lining brick masonry mortar joint of a gasification furnace, which comprises a gasification furnace steel shell 1, a supporting layer 2, a heat preservation layer 3 and a working layer 4; the inner wall of the gasification furnace steel shell 1 is provided with a supporting layer 2, and the supporting layer 2 is in a ring shape built by supporting layer refractory bricks 5; the supporting layer 2 is built layer by layer from the bottom to the upper part of the gasification furnace steel shell 1; the heat preservation layer 3 is arranged at the inner side of the supporting layer 2, the heat preservation layer 3 is in a ring shape built by heat preservation layer refractory bricks 6, and the heat preservation layer 3 is built layer by layer from the bottom to the upper part of the gasifier steel shell 1; the working layer 4 is arranged at the inner side of the heat preservation layer 3, the working layer 4 is in a ring shape formed by building working layer refractory bricks 7, and the working layer 4 is built layer by layer from the bottom to the upper part of the gasifier steel shell 1; the mortar joint of the supporting layer refractory bricks 5 of the supporting layer 2 and the mortar joint of the insulating layer refractory bricks 6 of the insulating layer 3 are radially staggered, and the mortar joint of the insulating layer refractory bricks 6 of the insulating layer 3 and the mortar joint of the working layer refractory bricks of the working layer 4 are radially staggered.
The supporting layer 2, the heat-insulating layer 3 and the working layer 4 are tightly attached.
The supporting layer refractory brick 5, the heat-insulating layer refractory brick 6 and the working layer refractory brick 7 are arc-shaped.
The mortar joints of the supporting layer firebricks 5 of the supporting layer 2 and the mortar joints of the insulating layer firebricks 6 of the insulating layer 3 are staggered in the radial direction to form curved surface sealing.
The mortar joint of the heat-insulating layer refractory brick 6 of the heat-insulating layer 3 and the mortar joint of the working layer refractory brick of the working layer 4 are staggered in the radial direction to form curved surface sealing.
The working process of the sealing structure for the refractory lining brick masonry mortar joint of the gasification furnace is as follows: firstly, building a supporting layer refractory brick 5 circumferentially around the inner wall of a gasifier steel shell 1 to form an annular supporting layer 2, building the supporting layer from the bottom of the gasifier steel shell 1 to the upper layer, then building a heat-insulating layer refractory brick 6 circumferentially around the inner wall of the supporting layer 2 to form an annular heat-insulating layer 3, and building the supporting layer refractory brick from the bottom of the gasifier steel shell 1 to the upper layer; finally, the working layer refractory bricks 7 are built around the inner wall of the heat-insulating layer 3 in the circumferential direction to form an annular working layer 4. When the highly compressed air current of high temperature and coal slurry when the gasifier is to the work level firebrick 7 surface impact of work level 4, even if the mortar joint destroys, stagger the formation curved surface at heat preservation 3 mortar joint and work level 4 mortar joint and seal (utilize heat preservation firebrick 6 body and the work level firebrick 7 stagger and paste tightly) under the structural action, the high temperature air current can't flow between supporting layer 2 and heat preservation 3, thereby make 1 temperature of gasifier steel casing be in normal operating range, the life of the firebrick of work level has been improved, the maintenance cost is reduced, and the production efficiency is improved.
Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A sealing structure of a gasifier refractory lining brick masonry mortar joint comprises a gasifier steel shell, a supporting layer, a heat insulation layer and a working layer; the method is characterized in that: the inner wall of the steel shell of the gasification furnace is provided with a supporting layer, and the supporting layer is in a ring shape built by refractory bricks of the supporting layer; the supporting layer is built layer by layer from the bottom to the upper part of the steel shell of the gasification furnace; the heat preservation layer is arranged at the inner side of the supporting layer and is in a ring shape built by refractory bricks of the heat preservation layer, and the heat preservation layer is built layer by layer from the bottom to the upper part of the steel shell of the gasification furnace; the working layer is arranged at the inner side of the heat preservation layer, the working layer is in a ring shape built by refractory bricks of the working layer, and the working layer is built layer by layer from the bottom to the upper part of the steel shell of the gasification furnace.
2. The sealing structure of the refractory lining brick masonry mortar joint of the gasification furnace according to claim 1, characterized in that: the supporting layer, the heat-insulating layer and the working layer are tightly attached.
3. The sealing structure of the refractory lining brick masonry mortar joint of the gasification furnace according to claim 1, characterized in that: the supporting layer refractory brick, the heat-insulating layer refractory brick and the working layer refractory brick body are arc-shaped.
4. The sealing structure for the refractory lining brick masonry mortar joint of a gasification furnace according to claim 2, characterized in that: the mortar joints of the supporting layer refractory bricks of the supporting layer and the mortar joints of the insulating layer refractory bricks of the insulating layer are staggered in the radial direction to form curved surface sealing.
5. The sealing structure of the gasifier refractory lining brick masonry mortar joint according to claim 2, characterized in that: the mortar joint of the heat-insulating layer refractory brick of the heat-insulating layer and the mortar joint of the working layer refractory brick of the working layer are radially staggered to form curved surface sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861628.7U CN218511483U (en) | 2022-07-20 | 2022-07-20 | Sealing structure for masonry mortar joint of refractory lining bricks of gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861628.7U CN218511483U (en) | 2022-07-20 | 2022-07-20 | Sealing structure for masonry mortar joint of refractory lining bricks of gasification furnace |
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| Publication Number | Publication Date |
|---|---|
| CN218511483U true CN218511483U (en) | 2023-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202221861628.7U Active CN218511483U (en) | 2022-07-20 | 2022-07-20 | Sealing structure for masonry mortar joint of refractory lining bricks of gasification furnace |
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| CN (1) | CN218511483U (en) |
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2022
- 2022-07-20 CN CN202221861628.7U patent/CN218511483U/en active Active
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