CN210292881U - Heat-insulating lining plate for tuyere of high-temperature industrial furnace - Google Patents
Heat-insulating lining plate for tuyere of high-temperature industrial furnace Download PDFInfo
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- CN210292881U CN210292881U CN201921143348.0U CN201921143348U CN210292881U CN 210292881 U CN210292881 U CN 210292881U CN 201921143348 U CN201921143348 U CN 201921143348U CN 210292881 U CN210292881 U CN 210292881U
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- industrial furnace
- muscle net
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Abstract
The utility model discloses a can effectively keep apart the outer heat degree of oven, increase the adiabatic welt in high temperature industrial furnace kiln wind gap in furnace wind gap life-span, including supporting the muscle net, set up the insulating layer on supporting the muscle net with the parcel, parcel in proper order between supporting muscle net and insulating layer is provided with strengthening layer, samming layer. The utility model adopts pouring molding, effectively prevents the crack of the molded heat-insulating lining plate, has the strength which can not be reduced due to the high temperature in the furnace, has small expansion coefficient, avoids the unstable structure caused by the expansion force increase of the heat-insulating lining plate due to the expansion caused by heat and cold, prolongs the service life of the heat-insulating lining plate; and because of the special design of layer combination formula for the heat insulation lining plate and the high oxidation resistance of the manufacturing material, each layer of the heat insulation lining plate has the characteristics of low heat conduction, low heat capacity, thermal shock stability, high wind erosion resistance, high strength and good chemical stability.
Description
Technical Field
The utility model belongs to the technical field of the stove inside lining, especially, relate to a can effectively keep apart the outer heat degree of oven, increase the adiabatic welt in high temperature industrial furnace kiln wind gap life-span in stove wind gap.
Background
The inner baffle of the tuyere of the high-temperature industrial furnace is used in the environment of 800-900 ℃, the service life is short, the inner baffle needs to be frequently replaced, the existing inner baffle often suffers from burning loss and water leakage in use, the inner baffle needs to be repaired and replaced every time of maintenance, particularly, the water leakage in production needs to be stopped, the safety of the furnace is affected, and the controllability is poor. The traditional inner baffle is made of a single-layer castable, and when the traditional inner baffle is used in a high-temperature environment, the temperature and cooling of the heating surface of the baffle are uneven, so that cracks appear on the surface and inside of the baffle, oxidation appears at the same time, the baffle is finally damaged, and the service life is short.
Therefore, the key point of the problem is to develop a novel baffle plate with long service life and good heat insulation effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-temperature industrial furnace tuyere heat insulation inner lining plate which can effectively isolate the heat outside the furnace wall and prolong the service life of the furnace tuyere.
The utility model discloses a following technical scheme realizes: including supporting the muscle net, set up the insulating layer on supporting the muscle net with the parcel, it has two-layerly to support the muscle net, evenly or inhomogeneous setting splice bar between two-layer supporting the muscle net, and the upper end and the lower extreme of splice bar wear out respectively and correspond the supporting the muscle net of being connected with it, are provided with circular or polygonal cavity between two-layer supporting the muscle net, the parcel is provided with the foundation layer on the knee brace net, and foundation layer, supporting the muscle net, cavity combination constitute the foundatin plate, wraps up in proper order in the foundatin plate outside and is provided with strengthening layer core, samming layer, insulating layer be provided with respectively in strengthening layer, samming layer, the insulating layer core respectively, each strengthens the equal joint bar of layer core.
The utility model has the advantages that: the utility model adopts pouring molding, and sets the reinforced layer core to strengthen the strength of the reinforced layer core, so that the foundation plate, the reinforced layer, the temperature equalizing layer and the heat insulation layer can be tightly and firmly combined with each other, the surface is smooth, the consideration of loosening and dropping is avoided, the crack of the molded heat insulation lining plate can be prevented, the strength of the heat insulation lining plate can not be reduced due to the high temperature in the furnace, the expansion coefficient is small, the unstable structure caused by the increase of the expansion force of the heat insulation lining plate due to the expansion caused by heat and contraction is avoided, and the service life of the heat insulation lining plate is prolonged; and because of the special design of layer combination formula for the heat insulation lining plate and the high oxidation resistance of the manufacturing material, each layer of the heat insulation lining plate has the characteristics of low heat conduction, low heat capacity, good chemical stability, thermal shock stability, high wind erosion resistance and high strength.
Drawings
Fig. 1 is a schematic structural view of the present invention;
reference numbers in the figures: 1~ support muscle net, 2~ splice bar, 3~ cavity, 4~ foundation layer, 5~ strengthening layer, 6~ temperature-uniforming layer, 7~ insulating layer, 8~ strengthening layer core.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.
The heat-insulating lining plate for the tuyere of the high-temperature industrial furnace shown in the figure 1 comprises a supporting rib net 1 and a heat-insulating layer 7, wherein the heat-insulating layer 7 is wrapped on the supporting rib net 1, the supporting rib net 1 is provided with two layers, connecting ribs 2 are uniformly or non-uniformly arranged between the two layers of supporting rib nets 1, the upper ends and the lower ends of the connecting ribs 2 penetrate out of the supporting rib net 1 correspondingly connected with the connecting ribs respectively, a circular or polygonal cavity 3 is arranged between the two layers of supporting rib nets 1, a basic layer 4 is wrapped on the supporting rib net 1, the basic layer 4, the supporting rib net 1 and the cavity 3 are combined to form a foundation plate, a reinforcing layer 5, a temperature-equalizing layer 6 and a heat-insulating layer 7 are sequentially wrapped outside the foundation plate, reinforcing layer cores 8 are respectively arranged in the reinforcing layer 5, the temperature-equalizing layer 6 and the heat-insulating layer 7, and the reinforcing layer cores 8 are.
And the corrosion-resistant coatings are arranged outside the supporting rib net 1, the connecting ribs 2 and the reinforcing layer core 8.
The connecting ribs 2 are fixedly connected with the reinforcing layer core 8 in a welding or bundling mode, and the bonding strength is improved.
The reinforced layer core 8 is a metal mesh or an asbestos tow mesh, and the strength of the reinforced layer 5, the temperature-equalizing layer 6 and the heat-insulating layer 7 is enhanced to prevent loosening and falling.
The reinforced layer 5 is an asbestos cement pouring layer.
The temperature-equalizing layer 6 is a pouring layer of asbestos cement and quartz sand.
The cavity 3 is a structure with the head end connected with the tail end, and the overlooking structure of the cavity 3 is a combined figure of a rectangle and two semicircles.
The heat insulation layer 7 is an aluminum silicate fiber pouring layer
The utility model discloses a working method: when the heat insulation lining plate is used, the heat insulation lining plate is arranged at a high-temperature flue gas air inlet of a high-temperature industrial furnace according to actual requirements, when high-temperature flue gas reaches the air inlet and enters the high-temperature industrial furnace through the air inlet, the high temperature carried by the high-temperature flue gas can erode the heat insulation lining plate, the heat insulation layer 7 arranged on the heat insulation lining plate preferentially resists and absorbs the high temperature, the temperature penetrating through the heat insulation layer 7 is absorbed by the temperature equalizing layer 6 and is uniformly transferred on the heat insulation layer 7, and then the temperature is sequentially transferred to the strengthening layer 5 and the base layer 4, so that the high temperature is gradually transferred on the heat insulation lining plate, the condition that cracks appear on the surface and the inside of the heat insulation lining plate due to nonuniform temperature of a heating surface and nonuniform cooling is effectively avoided.
Claims (8)
1. The utility model provides a high temperature industrial furnace kiln wind gap thermal insulation inside lining board, includes support muscle net (1) and parcel setting insulating layer (7) on support muscle net (1), its characterized in that: support muscle net (1) is provided with two-layerly, evenly or inhomogeneous setting splice bar (2) between two-layer support muscle net (1), and the upper end and the lower extreme of splice bar (2) wear out respectively and correspond support muscle net (1) of being connected with it, is provided with circular or polygonal cavity (3) between two-layer support muscle net (1), the parcel is provided with foundation layer (4) on support muscle net (1), and foundation layer (4), support muscle net (1), cavity (3) combination constitute foundatin plate, and it has strengthening layer (5), samming layer (6), insulating layer (7) to wrap up in proper order in foundatin plate outside strengthening layer (5), samming layer (6), insulating layer (7) are provided with strengthening layer core (8) respectively, and each strengthens layer core (8) equal joint bar (2).
2. The tuyere heat-insulating inner liner plate for a high-temperature industrial furnace according to claim 1, wherein: and the corrosion-resistant coatings are arranged outside the supporting rib net (1), the connecting ribs (2) and the reinforcing layer core (8).
3. The tuyere heat-insulating inner liner plate for a high-temperature industrial furnace according to claim 1, wherein: the connecting ribs (2) are fixedly connected with the reinforcing layer core (8) in a welding or bundling way.
4. The tuyere heat-insulating inner liner plate for a high-temperature industrial furnace according to claim 1, wherein: the reinforced layer core (8) is a metal mesh or an asbestos tow mesh.
5. The tuyere heat-insulating inner liner plate for a high-temperature industrial furnace according to claim 1, wherein: the reinforced layer (5) is an asbestos cement pouring layer.
6. The tuyere heat-insulating inner liner plate for a high-temperature industrial furnace according to claim 1, wherein: the temperature equalizing layer (6) is a pouring layer of asbestos cement and quartz sand.
7. The tuyere heat-insulating inner liner plate for a high-temperature industrial furnace according to claim 1, wherein: the cavity (3) is a structure with the head end connected with the tail end, and the overlooking structure of the cavity (3) is a combined figure of a rectangle and two semicircles.
8. The tuyere heat-insulating inner liner plate for a high-temperature industrial furnace according to claim 1, wherein: the heat insulation layer (7) is an aluminum silicate fiber pouring layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143348.0U CN210292881U (en) | 2019-07-20 | 2019-07-20 | Heat-insulating lining plate for tuyere of high-temperature industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143348.0U CN210292881U (en) | 2019-07-20 | 2019-07-20 | Heat-insulating lining plate for tuyere of high-temperature industrial furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210292881U true CN210292881U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921143348.0U Active CN210292881U (en) | 2019-07-20 | 2019-07-20 | Heat-insulating lining plate for tuyere of high-temperature industrial furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210292881U (en) |
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2019
- 2019-07-20 CN CN201921143348.0U patent/CN210292881U/en active Active
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