High-temperature-resistant kiln lining

Abstract

The utility model discloses a high-temperature resistant kiln lining, which relates to the technical field of linings and comprises an inner layer and an outer layer, the inner layer and the outer layer are arranged in a staggered manner, two ends of the inner layer and two ends of the outer layer are respectively provided with two slots, a positioning groove is arranged between the two slots, and positioning blocks are inserted into the slots and the positioning groove. Ventilation grooves are formed in the middle portions of the sides, close to each other, of the inner layer and the outer layer in a penetrating mode. According to the kiln lining structure, the inner layer and the outer layer which are distributed in a staggered mode are arranged and form the kiln lining structure, and the inserting grooves and the positioning grooves are formed in the two ends of the inner layer and the two ends of the outer layer, so that when two horizontal lining structures are assembled, the positioning blocks in the inserting grooves can fix the positions of the two lining structures; when the two vertical lining structures are assembled, the positioning blocks in the inserting grooves and the positioning grooves can fix the positions of the two vertical lining structures, and therefore the multiple lining structures can be piled and assembled, and combination of the kiln lining is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of linings, in particular to a high-temperature resistant kiln lining. Background Art

[0002] A kiln is a furnace used to fire ceramics and sculptures or to fuse enamel to the surface of metal objects. It is usually made of bricks and stones and can be made into various sizes according to needs. It can be operated by combustible gas, oil or electricity. In order to enhance the heat preservation function of the combustion furnace, a lining structure is laid on the inner wall of the combustion furnace.

[0003] For example, a combustion furnace lining structure and a combustion furnace thereof are disclosed with publication number CN217816858U: wherein the lining structure includes a refractory layer, the refractory layer includes a plurality of refractory bricks, a plurality of the refractory bricks are stacked to form the refractory layer, the end faces of the refractory bricks are provided with connecting surfaces, adjacent refractory bricks are spliced ​​through the connecting surfaces, and the connecting surfaces are arranged to be non-straight faces, so that the flue gas in the combustion furnace cannot erode the adhesive between adjacent refractory bricks in a straight direction. By laying a refractory layer inside the combustion furnace, the refractory layer is spliced ​​by refractory bricks, and the end faces of the refractory bricks are provided with non-straight faces. Connecting surfaces, adjacent refractory bricks are butt-jointed through the connecting surfaces, so that the flue gas in the combustion furnace cannot erode the adhesive between adjacent refractory bricks in a straight direction, thereby ensuring the stable connection between the refractory bricks, improving the vibration resistance of the furnace body, and also helping to reduce the loss of heat and gas in the furnace body.

[0004] However, the kiln lining structure in the above prior art is relatively complicated to install and disassemble, and it is difficult to control the temperature of the lining during use, which affects its use. Therefore, it is necessary to invent a high temperature resistant kiln lining to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high temperature resistant kiln lining to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature resistant kiln lining, comprising an inner layer and an outer layer, the inner layer and the outer layer are staggered, two slots are provided at both ends of the inner layer and the outer layer, a positioning slot is provided between the two slots, and a positioning block is provided for plugging the slots and the positioning slots internally, a ventilation slot is provided through the middle of the side where the inner layer and the outer layer are close to each other, fixed blocks are fixedly provided at both ends of the inner side wall of the ventilation slot, the fixed block is arranged as an inclined structure, and an extension block is fixedly provided at one end of the fixed block, a guide strip is fixedly provided on the side where the top ends of the inner layer and the outer layer are away from each other, and a guide block is fixedly provided on the side where the bottom ends of the inner layer and the outer layer are close to each other, and the guide block corresponds to the guide strip.

[0007] Preferably, the outer side surface of the outer layer is provided with grooves, and the grooves are arranged in a grid structure.

[0008] Preferably, the slot and the positioning slot are both configured as square structures, and the positioning block is configured as a square structure corresponding to the slot and the positioning slot.

[0009] Preferably, a plurality of the fixing blocks are provided, and the plurality of fixing blocks are arranged in a staggered manner.

[0010] Preferably, the inner layer is a ceramic layer.

[0011] Preferably, the outer layer is a refractory fiber castable layer.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model provides staggered inner and outer layers, which form a kiln lining structure. By providing slots and positioning slots at both ends of the inner and outer layers, when two horizontal lining structures are assembled, the positioning blocks in the slots can fix the positions of the two lining structures. When two vertical lining structures are assembled, the positioning blocks in the slots and positioning slots can fix the positions of the two vertical lining structures, thereby realizing the stacking and assembly of multiple lining structures, so as to facilitate the combination of kiln linings.

[0014] 2. The utility model provides a ventilation slot in the middle of a side where the inner layer and the outer layer are close to each other. During the use of the kiln, the air flow rate in the air ventilation slot can realize auxiliary control of the internal temperature of the kiln. By arranging a plurality of fixed blocks with inclined structures inside the ventilation slot, the setting of the fixed blocks can effectively increase the air flow rate, thereby ensuring the control effect of the internal temperature of the kiln. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the stacking state of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 3 It is a schematic top view of the overall structure of the utility model.

[0018] In the figure: 1, inner layer; 2, outer layer; 3, slot; 4, positioning slot; 5, positioning block; 6, ventilation slot; 7, fixing block; 8, extension block; 9, guide strip; 10, guide block; 11, groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1-3 A high temperature resistant kiln lining is shown, comprising an inner layer 1 and an outer layer 2, the inner layer 1 and the outer layer 2 are arranged in a staggered manner, the inner layer 1 is a ceramic layer, and the outer layer 2 is a refractory fiber casting material layer;

[0021] Specifically, two slots 3 are provided at both ends of the inner layer 1 and the outer layer 2, a positioning slot 4 is provided between the two slots 3, a positioning block 5 is provided for the internal connection between the slots 3 and the positioning slots 4, the slots 3 and the positioning slots 4 are both provided with a square structure, the positioning block 5 is provided with a square structure corresponding to the slots 3 and the positioning slots 4, and the square structure can ensure the stability of the lining structure after splicing;

[0022] More specifically, a ventilation slot 6 is provided through the middle of one side where the inner layer 1 and the outer layer 2 are close to each other, and fixed blocks 7 are fixedly provided at both ends of the inner side wall of the ventilation slot 6, and the fixed block 7 is provided in an inclined structure, and an extension block 8 is fixedly provided at one end of the fixed block 7, and a plurality of fixed blocks 7 are provided, and the plurality of fixed blocks 7 are staggered, and the plurality of fixed blocks 7 and the extension blocks 8 can form a Tesla valve structure, which can increase the flow speed of air in the ventilation slot 6 and avoid air backflow, so as to ensure the control effect of the internal temperature of the kiln;

[0023] In addition, a guide strip 9 is fixedly provided on the side where the top ends of the inner layer 1 and the outer layer 2 are far away from each other, and a guide block 10 is fixedly provided on the side where the bottom ends of the inner layer 1 and the outer layer 2 are close to each other, and the guide block 10 corresponds to the guide strip 9. The guide block 10 cooperates with the guide strip 9 to ensure the smooth splicing of the lining structure in the vertical direction;

[0024] Moreover, the outer side surface of the outer layer 2 is provided with grooves 11, and the grooves 11 are arranged in a grid structure. The arrangement of the grooves 11 allows the surface of the outer layer 2 to have a certain deformation space when deformed by heat, thereby avoiding surface cracking of the outer layer 2.

[0025] In summary, the utility model sets an inner layer 1 and an outer layer 2 which are staggered, and the inner layer 1 and the outer layer 2 form a kiln lining structure. By setting slots 3 and positioning slots 4 at both ends of the inner layer 1 and the outer layer 2, when the two horizontal lining structures are assembled, the positioning blocks 5 in the slots 3 can fix the positions of the two lining structures, and when the two vertical lining structures are assembled, the positioning blocks 5 in the slots 3 and the positioning slots 4 can fix the positions of the two vertical lining structures, thereby realizing stacking and assembling of multiple lining structures for the convenience of combining the kiln lining, and by opening a ventilation slot 6 in the middle of one side where the inner layer 1 and the outer layer 2 are close to each other, during the use of the kiln, the air flow speed in the air ventilation slot 6 can realize auxiliary control of the internal temperature of the kiln, and by setting a plurality of fixed blocks 7 with inclined structures inside the ventilation slot 6, the setting of the fixed blocks 7 can effectively increase the air flow speed, thereby ensuring the control effect of the internal temperature of the kiln.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A high temperature resistant kiln lining, comprising an inner layer (1) and an outer layer (2), characterized in that: The inner layer (1) and the outer layer (2) are arranged in a staggered manner. Two slots (3) are provided at both ends of the inner layer (1) and the outer layer (2). A positioning slot (4) is provided between the two slots (3). A positioning block (5) is provided for inserting the slot (3) and the positioning slot (4). A ventilation slot (6) is provided through the middle of a side where the inner layer (1) and the outer layer (2) are close to each other. A fixing block (7) is fixedly provided at both ends of the inner side wall of the ventilation slot (6). The fixing block (7) is arranged as an inclined structure, and an extension block (8) is fixedly provided at one end of the fixing block (7). A guide strip (9) is fixedly provided at a side where the top ends of the inner layer (1) and the outer layer (2) are away from each other. A guide strip (10) is fixedly provided at a side where the bottom ends of the inner layer (1) and the outer layer (2) are close to each other, and the guide strip (10) corresponds to the guide strip (9).

2. A high temperature resistant kiln lining according to claim 1, characterized in that: The outer side surface of the outer layer (2) is provided with a groove (11), and the groove (11) is arranged in a grid structure.

3. A high temperature resistant kiln lining according to claim 2, characterized in that: The slot (3) and the positioning slot (4) are both configured as square structures, and the positioning block (5) is configured as a square structure corresponding to the slot (3) and the positioning slot (4).

4. A high temperature resistant kiln lining according to claim 3, characterized in that: A plurality of the fixing blocks (7) are provided, and the plurality of fixing blocks (7) are arranged in a staggered manner.

5. The high temperature resistant kiln lining according to claim 4, characterized in that: The inner layer (1) is a ceramic layer.

6. A high temperature resistant kiln lining according to claim 5, characterized in that: The outer layer (2) is a refractory fiber casting material layer.

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