High-temperature daub reducing pipe wall refractory brick

Abstract

The utility model discloses a high-temperature cement variable-diameter pipe wall refractory brick which is characterized in that a pipe wall main body brick is a right-angle hexahedron, the surface hot ends of two adjacent pipe wall main body bricks are connected through a locking and clamping brick, and the back hot top surfaces of the two adjacent pipe wall main body bricks are connected through an adjusting brick; a wedge-shaped filling cement gum layer is filled in a brick joint between every two adjacent pipe wall main body bricks; the hot end face of the pipe wall body brick is covered with a pipe wall face hot cement gum layer. Main body brick clamping grooves are formed in the two side faces of the hot end of the pipe wall main body brick face, and the clamping hook parts at the two ends of the locking and clamping brick are clamped and inserted into the opposite main body brick clamping grooves of the two adjacent pipe wall main body bricks respectively. Main body brick top teeth are arranged on the back hot top surface of the pipe wall main body brick; adjusting brick clamping teeth are arranged on the adjusting brick; and the adjusting brick latches at the two ends of the adjusting brick are respectively clamped on the main body brick top teeth of the two adjacent pipe wall main body bricks. The refractory brick can be used for building gas pipelines with different pipe diameters in a general brick type, and is particularly suitable for pipeline building of a clean type heat recovery coke oven system.

Description

TECHNICAL FIELD

[0001] The utility model relates to clean heat recovery coke oven, especially in the heat recovery coke oven system, the waste heat collecting branch pipe and waste heat collecting main pipe and other waste heat delivery pipeline with refractory brick structure of waste heat. BACKGROUND

[0002] The clean heat recovery coke oven not only utilizes heat energy fully in the coking process, but also does not discharge smoke dust, and basically has no pollution to ecological environment, so it is widely concerned and applied, the high-temperature waste gas generated in the coking process of the clean heat recovery coke oven is transported to the waste heat boiler through the furnace body ascending flue, waste heat collecting branch pipe and waste heat collecting main pipe, and steam power generation is generated.

[0003] In the clean heat recovery coke oven system, there are branch pipes, main pipes and total pipes for transporting waste heat and exhaust gas of various pipe diameters. Because the pipe diameters of these pipes are different in size, different brick types of refractory bricks are needed for masonry, the generality of the refractory bricks is poor, there is no standard unified brick type, and the bricks cannot be produced in a batch production mode, which not only has high manufacturing cost and low manufacturing efficiency, but also has poor quality stability. It is very inconvenient to have a variety of brick types of pipe wall masonry bricks in the maintenance process of the gas pipeline. Furthermore, because the exhaust gas temperature of the waste heat collecting pipe is above 1000 DEG C, even up to 1300 DEG C, and the exhaust gas contains a variety of harmful corrosive gases, the heat preservation performance, anti-turbulent scouring capacity, heat preservation material and anti-erosion capacity of the steel shell of the gas pipeline all have a great influence on the efficient use and service life of the coke oven waste heat. UTILITY MODEL CONTENTS

[0004] In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a high-temperature mortar variable-diameter pipe wall refractory brick which can be used for masonry of different pipe diameters of gas pipelines with a universal brick type.

[0005] In order to solve the above-mentioned technical problem, the high-temperature mortar variable-diameter pipe wall refractory brick of the utility model comprises a plurality of pipe wall body bricks, the pipe wall body bricks are in the shape of a rectangular hexahedron, the face hot end of two adjacent pipe wall body bricks is connected through a locking brick, and the back hot top surface of the two adjacent pipe wall body bricks is connected through an adjusting brick; a wedge-shaped filling mortar layer is filled in the joint of the two adjacent pipe wall body bricks; and a pipe wall face hot mortar layer is covered on the face hot end surface of the pipe wall body brick.

[0006] In the structure, the face hot end of the two adjacent pipe wall body bricks is connected by the locking brick, and the back hot top surface of the two pipe wall body bricks is connected by the adjusting brick, so that the gap distance between the back hot top surfaces of the two pipe wall body bricks is adjusted by the adjusting brick, and the wedge-shaped filling mortar layer is filled in the gap, so that the pipe wall body bricks can form pipe walls with different pipe diameters to meet the masonry and maintenance requirements of the gas pipeline with different pipe diameters. According to the technical scheme of the utility model, the masonry of the pipeline with different pipe diameters is not realized by the bricks with different brick types, but is realized by the adjusting structure itself, so that the masonry of the pipeline with different pipe diameters can be completed by the standard brick type, the standardization and specification of the pipe wall masonry brick are realized, the universal brick type can realize the mass production of the pipe wall brick, the brick making efficiency and the stability of the brick making quality are improved, the universal brick type also reduces the brick making cost, and is favorable for optimizing the construction cost of the gas pipeline. In addition, the filling mortar layer is filled between the two adjacent pipe wall body bricks, and the pipe wall face hot mortar layer is covered on the face hot end surface, so that the performance advantages of the high-temperature mortar are exerted, the variable-diameter pipe wall refractory brick can maintain excellent physical and chemical property stability under extremely high temperature conditions, the bonding performance of the high-temperature mortar can make the variable-diameter combined refractory brick maintain the stability and firmness of the overall structure, and the high-temperature mortar also has good thermal shock resistance, erosion resistance and corrosion resistance.

[0007] In the preferred embodiment of the utility model, the two side surfaces of the face hot end of the pipe wall body brick are provided with body brick clamping grooves, and the clamping hook portions at the two ends of the locking brick are respectively clamped and inserted into the opposite body brick clamping grooves of the two adjacent pipe wall body bricks. The back hot top surface of the pipe wall body brick is provided with body brick top teeth, and the adjusting brick is provided with adjusting brick clamping teeth. The adjusting brick clamping teeth at the two ends of the adjusting brick are respectively clamped onto the body brick top teeth of the two adjacent pipe wall body bricks. A brick body bonding mortar layer is bonded between the adjusting brick clamping teeth and the body brick top teeth. The firm masonry of different pipe diameters can be met.

[0008] In the preferred embodiment of the utility model, the plurality of pipe wall body bricks surround a tubular pipe wall. The pipe wall body brick, the adjusting brick and the locking brick are erosion-resistant mullite refractory bricks, and the filling mortar layer and the pipe wall face hot mortar layer are aluminum high-temperature mortar or magnesium high-temperature mortar coating layers. The filling mortar layer extends into the gap between the body brick clamping groove of the pipe wall body brick and the locking brick, and the filling mortar layer is a wedge-shaped filling layer with an outer thick and inner narrow shape. The universal standard brick type meets the masonry requirements of the high-temperature gas pipeline with multiple pipe diameters and high refractory performance.

[0009] In the preferred embodiment of the utility model, the body brick top teeth and the adjusting brick clamping teeth are triangular teeth or rectangular teeth. The clamping is firm, and the manufacturing is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0010] The following description, in conjunction with the accompanying drawings and specific embodiments, further illustrates the present invention of high-temperature mortar-coated variable-diameter refractory bricks for pipe walls.

[0011] Figure 1 This is a schematic diagram of a specific embodiment of the high-temperature mortar variable diameter pipe wall refractory brick of this utility model;

[0012] Figure 2 yes Figure 1 A schematic diagram of the end face structure of the main brick of the pipe wall in the embodiment shown.

[0013] Figure 3 yes Figure 2 The left view;

[0014] Figure 4 yes Figure 1 A schematic diagram of the end face structure of the adjusting brick in the embodiment shown.

[0015] Figure 5 yes Figure 1 A schematic diagram of the end face structure of the locking brick in the embodiment shown.

[0016] In the figure, 1—main brick of pipe wall, 2—main brick groove, 3—top tooth of main brick, 4—filling mortar layer, 5—brick bonding mortar layer, 6—adjusting brick, 7—hot mortar layer of pipe wall surface, 8—locking brick, 9—adjusting brick tooth. Detailed Implementation

[0017] like Figure 1 The high-temperature mortar variable diameter refractory brick shown includes a pipe wall main brick 1 in the shape of a right-angled hexahedron. Several pipe wall main bricks 1 are built in an arch-like manner to form the pipe wall of a high-temperature gas transmission pipeline. There are gaps in the main brick slots 2 on both sides of the hot end of two adjacent pipe wall main bricks 1, and locking bricks 8 are inserted. One end of the locking brick 8 is inserted into the main brick slot 2 of one pipe wall main brick 1, and the other end of the locking brick 8 is inserted into the main brick slot 2 of another adjacent pipe wall main brick 1, so that the hot end (inner end) of two adjacent pipe wall main bricks 1 are mutually engaged by the locking bricks 8.

[0018] The top tooth 3 of the main body brick 1 and the adjusting brick engaging tooth 9 of the adjusting brick 6 are in engagement with each other. The outer ends of the adjacent two main body bricks 1 are separated from each other, and the separation distance is determined by the size of the pipeline and the diameter of the pipeline. The two ends of the adjusting brick 6 are overlapped on the top tooth 3 of the main body brick 1 at the corresponding end through the adjusting brick engaging tooth 9, and the adjusting brick engaging tooth 9 and the top tooth 3 of the main body brick 1 are bonded by a brick bonding mortar layer 5. The gap between the adjacent main body bricks 1 is filled with a filling mortar layer 4, and the wedge-shaped filling mortar layer 4 extends into the main body brick engaging groove 2. The surface of the main body brick 1 is covered with a pipeline surface hot mortar layer 7, which is coated on the inner surface of the high-temperature gas pipeline.

[0019] The brick bonding mortar layer 5, the filling mortar layer 4 and the pipeline surface hot mortar layer 7 are all coated with high-temperature mortar, preferably aluminum high-temperature mortar or magnesium high-temperature mortar.

[0020] As shown in Figure 2 , Figure 3 , the main body brick 1 is generally a rectangular hexahedron, and the top tooth 3 of the main body brick 1 is provided on the top surface of the main body brick 1 along the length direction of the brick, which is a triangular tooth or a rectangular tooth. The main body brick engaging groove 2 is provided on both sides of the refractory brick laying surface of the main body brick 1 near the hot end, which includes a transverse insertion hole and a vertical engaging groove, and the transverse insertion hole is used for inserting the locking brick 8, and the vertical engaging groove is used for inserting the hook part of the locking brick 8.

[0021] As shown in Figure 4 , the inner end surface of the adjusting brick 6 is provided with the adjusting brick engaging tooth 9, and the tooth shape of the adjusting brick engaging tooth 9 is consistent with the tooth shape of the top tooth 3 of the main body brick 1, which can be a triangular tooth or a rectangular tooth. As shown in Figure 5 , the two ends of the locking brick 8 are symmetrically provided with the hook part, and the size of the hook part should be able to be inserted into the main body brick engaging groove 2. The main body brick 1, the adjusting brick 6 and the locking brick 8 are all erosion-resistant mullite refractory bricks, and of course can be refractory bricks made of other materials.

[0022] The above only lists some preferred embodiments of the present application, but the present application is not limited thereto, and many improvements and changes can be made. Any improvement and change made on the basis of the basic principle of the present application should be considered to fall within the protection scope of the present application.

Claims

1. A high temperature mortar expander pipe wall refractory brick comprising a plurality of pipe wall body bricks (1), characterized in that: The pipe wall body brick (1) is a rectangular hexahedron, two adjacent face hot ends of the pipe wall body brick (1) are connected through locking bricks (8), and two adjacent back hot top surfaces of the pipe wall body brick (1) are connected through adjusting bricks (6); a wedge-shaped filling mortar layer (4) is filled in the joint between two adjacent pipe wall body bricks (1); and a pipe wall face hot mortar layer (7) is coated on the face hot end surface of the pipe wall body brick (1).

2. The high temperature mastic drift pipe wall refractory brick of claim 1, wherein: The two side surfaces of the face hot end of the pipe wall body brick (1) are provided with body brick clamping grooves (2), and the clamping hook portions at the two ends of the locking brick (8) are respectively clamped into the opposite body brick clamping grooves (2) of the two adjacent pipe wall body bricks (1).

3. The high temperature mastic drift pipe wall refractory brick of claim 1, wherein: The back hot top surface of the pipe wall body brick (1) is provided with body brick top teeth (3), and the adjusting brick (6) is provided with adjusting brick clamping teeth (9); the adjusting brick clamping teeth (9) at the two ends of the adjusting brick (6) are respectively clamped onto the body brick top teeth (3) of the two adjacent pipe wall body bricks (1).

4. The high-temperature mastic drift pipe wall refractory brick of claim 3, wherein: The adjusting brick clamping teeth (9) and the body brick top teeth (3) are bonded with a brick body bonding mortar layer (5).

5. The high temperature mastic drift pipe wall refractory brick of claim 1, wherein: A plurality of the pipe wall body bricks (1) surround a tubular pipe wall.

6. The high temperature mastic drift pipe wall refractory brick of claim 1, wherein: The pipe wall body brick (1), the adjusting brick (6) and the locking brick (8) are erosion-resistant mullite refractory bricks, and the filling mortar layer (4) and the pipe wall face hot mortar layer (7) are aluminum high-temperature mortar or magnesium high-temperature mortar coating layers.

7. The high temperature mastic drift pipe wall refractory brick of claim 1, wherein: The filling mortar layer (4) extends into the gap between the body brick clamping groove (2) of the pipe wall body brick (1) and the locking brick (8), and the filling mortar layer (4) is a wedge-shaped filling layer with an outer thick and inner narrow shape.

8. The high temperature mastic drift pipe wall refractory brick of claim 3, wherein: The body brick top teeth (3) and the adjusting brick clamping teeth (9) are triangular teeth or rectangular teeth.

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