Hearth and furnace top structure of high-temperature furnace

Abstract

The utility model relates to the field of high-temperature furnaces, in particular to a high-temperature furnace hearth and furnace top structure which comprises a hearth and a furnace top, the furnace top comprises a top plate and a wrapping plate arranged at the bottom of the top plate, the top plate covers the top of the hearth, the wrapping plate is arranged in the hearth in a matched mode, and the wrapping plate is arranged in an annular mode. A plurality of refractory material layers are arranged in the wrapping plate corresponding to the bottom of the top plate, the ceramic tubes are used for sequentially connecting the plurality of refractory material layers in series, a plurality of ceramic hook nails are arranged in the wrapping plate, each ceramic hook nail sequentially corresponds to each ceramic tube in position, the bottom end of each ceramic hook nail is arranged in a hook shape, and the ceramic hook nails are arranged in the wrapping plate. One end of each ceramic hook nail extends out of the furnace top and is fixedly connected with the furnace top in a detachable manner, so that the corresponding ceramic tube is arranged at the opening part of the bent hook in the ceramic hook nail, the other end of each ceramic hook nail extends out of the furnace top and is fixedly connected with the furnace top in a detachable manner, and through the technical scheme, the furnace top structure has the advantages of being good in structural stability, convenient to construct and install and capable of reducing construction and transportation loss.

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature furnace especially relates to a high temperature furnace hearth furnace top structure. BACKGROUND

[0002] In the design of large high temperature furnace top, due to the size limitation of material, for the high temperature furnace top of larger size, the installation structure of plate splicing combination is usually adopted. However, this structure will bring some problems. First, due to the large number of part specifications, different number of consumptions will appear during each furnace lining construction capping. Second, due to the individual differences of workers, the construction difficulty is large. In addition, when the equipment is manufactured and shipped, due to the splicing and unstable structure, large transportation loss will be caused, thereby increasing the cost. SUMMARY

[0003] The utility model provides a kind of high temperature furnace hearth furnace top structure, solve the technical problems of large material loss, large construction difficulty, unstable structure and large cost, provide the following technical scheme:

[0004] A kind of high temperature furnace hearth furnace top structure, including hearth and furnace top, furnace top includes top plate and the cladding plate being arranged at the bottom of top plate, the top plate cover is arranged at the top of the hearth, the cladding plate is adaptively arranged in the hearth, the cladding plate is annularly arranged, the corresponding cladding plate in the bottom of top plate is adaptively provided with refractory layer, and multiple layers of refractory material are arranged in refractory layer, and its characteristics are further including multiple porcelain pipes for sequentially connecting multiple layers of refractory material, multiple ceramic hooks are arranged in the cladding plate, and each ceramic hook is sequentially and position corresponding with each porcelain pipe, and the bottom end of each ceramic hook is hook-shaped, so that corresponding porcelain pipe is arranged in the opening part of hooking part of ceramic hook, and the other end of each ceramic hook is stretched out to the outside of furnace top, and is fixedly connected with the furnace top in detachable mode.

[0005] By adopting the above technical scheme, by the setting of porcelain pipe, the refractory material arranged in the cladding plate can be fixed by the cladding plate, and can also be fixed by connecting each layer of refractory material through porcelain pipe, and the connected porcelain pipe is placed in the opening part of hooking part of ceramic hook, and the ceramic hook is connected with top plate, which avoids the collapse of multiple layers of refractory material in the use process, thereby improving the stability of structure, and the structure is simple and easy to operate, facilitating construction and installation, thereby reducing installation cost and transportation cost;

[0006] In addition, the furnace top is modularized, when some components of the furnace top fail or need to be repaired, it can be quickly disassembled and replaced, without the need to disassemble and repair the whole furnace top, thereby reducing maintenance time and cost, and improving production efficiency. In addition, the highly integrated furnace top can reduce heat loss, thereby reducing energy waste.

[0007] Further, a plurality of countersunk holes are arranged on the top plate, each of the countersunk holes is provided with a ceramic pad on the top of the top plate, each of the ceramic hooks respectively extends to the outside of the top plate through the countersunk hole and the ceramic pad, and a bolt is arranged on the ceramic hook extending to the outside of the top plate.

[0008] Further, a plurality of connecting plates are arranged along the outer periphery of the top end of the package plate, each of the connecting plates has a consistent structure, each of the connecting plates is arranged in an "L" shape, and the vertical segment and the horizontal segment of each of the connecting plates are connected with the package plate and the top plate respectively.

[0009] Further, the top plate comprises a cover plate part and a plurality of support parts which are integrally formed, the diameter of the cover plate part is greater than the inner diameter of the hearth, the plurality of support parts are uniformly distributed along the circumference of the cover plate part in sequence, and one end of each of the plurality of support parts away from the cover plate part is arranged in an arc shape.

[0010] Further, a plurality of lifting members are arranged on the top of the furnace top, each of the lifting members is provided with a lifting hole, and each of the lifting holes corresponds to the center position of the hearth.

[0011] Further, the top plate is a stainless steel top plate, the package plate is a stainless steel package plate, and the ceramic tube is an alumina ceramic tube.

[0012] In summary, the present application has the following advantages: through the arrangement of the ceramic tube, the refractory material arranged in the package plate can be fixed by the package plate, and can also be fixed by the ceramic tube connected with each layer of refractory material, the ceramic tube after connection is placed in the opening of the ceramic hook, and the ceramic hook is connected with the top plate, which avoids the collapse of the multi-layer refractory material during use, thereby improving the stability of the structure, and the structure is simple and easy to operate, facilitating construction and installation, thereby reducing the installation cost and transportation cost; in addition, the furnace top is modularly arranged, when a component of the furnace top fails or needs to be repaired, the component can be quickly disassembled and replaced, without the need to disassemble and repair the entire furnace top, thereby reducing the maintenance time and cost and improving the production efficiency; and the highly integrated furnace top can reduce heat loss, thereby reducing energy waste. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a sectional view of the hearth top structure of the high-temperature furnace;

[0014] Figure 2 is a top view of the hearth top structure of the high-temperature furnace;

[0015] Figure 3 is a sectional view of the furnace top in the hearth top structure of the high-temperature furnace;

[0016] Figure 4 For Figure 3 Partial enlarged view at middle serial number A;

[0017] Figure 5 For the partial sectional view of the ceramic hook nail in the hearth roof structure of the high-temperature furnace;

[0018] In the figure: 1, hearth; 2, roof; 21, top plate; 211, cover plate part; 212, support part; 22, cladding plate; 3, refractory layer; 4, porcelain pipe; 5, ceramic hook nail; 6, ceramic pad; 7, bolt; 8, connecting plate; 9, hoisting hole. DETAILED DESCRIPTION

[0019] The application will be further described in detail below with reference to the accompanying drawings.

[0020] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model will be further described below in combination with specific embodiments.

[0021] In a specific embodiment, with reference to Figures 1-5 A hearth roof structure of a high-temperature furnace, comprising a hearth 1 and a roof 2, the inner wall surface of the hearth 1 is provided with refractory material, in this specific embodiment, the refractory material of the inner wall surface of the hearth 1 is refractory brick, the roof 2 comprises a top plate 21 and a cladding plate 22 provided at the bottom of the top plate 21, the top plate 21 is provided on the top of the hearth 1, the top plate 21 is a stainless steel top plate 21, the cladding plate 22 is adaptively provided in the hearth 1, the cladding plate 22 is annularly arranged, the cladding plate 22 is a stainless steel cladding plate 22, the corresponding cladding plate 22 in the bottom of the top plate 21 is adaptively provided with a refractory layer 23, the refractory layer 23 is provided with multiple layers of refractory material, in this specific embodiment, the multiple layers of refractory material are all refractory bricks, each layer of refractory bricks is arranged in rivet shape by multiple refractory bricks, the specific rivet structure belongs to the public knowledge, and will not be described in detail here; it further comprises multiple porcelain pipes 24 for sequentially connecting the multiple layers of refractory material, the porcelain pipe 24 is an alumina porcelain pipe 24, the cladding plate 22 is provided with multiple ceramic hook nails 25, and each ceramic hook nail 25 is sequentially and positionally corresponding to each porcelain pipe 24, the bottom end of each ceramic hook nail 25 is arranged in hook shape, so that the corresponding porcelain pipe 24 is arranged at the opening part of the hook part of the ceramic hook nail 25, the other end of each ceramic hook nail 25 extends out of the roof 2 and is detachably and fixedly connected with the roof 2.

[0022] The refractory material arranged in the cladding plate 22 is fixed by the cladding plate 22 and the porcelain pipes 24 connected with each layer of the refractory material. The porcelain pipes 24 are arranged in the opening of the ceramic hook, and the ceramic hook is connected with the top plate 21. This avoids the collapse of the multiple layers of the refractory material during use, thereby improving the stability of the structure, and the structure is simple and easy to operate, facilitating construction and installation, thereby reducing the installation cost and transportation cost.

[0023] In addition, the furnace top 2 is modularly arranged. When a component of the furnace top 2 fails or needs to be repaired, the component can be quickly disassembled and replaced without disassembling and repairing the entire furnace top 2, thereby reducing the maintenance time and cost and improving the production efficiency. The highly integrated furnace top 2 can reduce heat loss and energy waste.

[0024] The top plate 21 is provided with a plurality of countersunk holes, and each countersunk hole is provided with a ceramic pad 6 on the top of the top plate 21. Each ceramic hook 25 respectively extends out of the top plate 21 through the countersunk hole and the ceramic pad. The ceramic hook 25 extending out of the top plate 21 is provided with a bolt 7.

[0025] A plurality of connecting plates 8 are arranged along the outer periphery of the top end of the cladding plate 22. Each connecting plate 8 has the same structure and is arranged in an “L” shape. The vertical and horizontal sections of each connecting plate 8 are connected with the cladding plate 22 and the top plate 21, respectively.

[0026] The top plate 21 includes an integrally formed cover plate portion 211 and a plurality of support portions having the same structure. The diameter of the cover plate portion 211 is greater than the inner diameter of the hearth 1. The plurality of support portions are uniformly distributed along the circumference of the cover plate portion 211, and the ends of the plurality of support portions away from the cover plate portion 211 are arranged in an arc shape.

[0027] The top of the furnace top 2 is provided with a plurality of lifting members, each of which is provided with a lifting hole 9 corresponding to the center position of the hearth 1.

[0028] Operation process: The cladding plate 22 is installed at the bottom of the top plate 21 by the connecting member, and a plurality of layers of refractory material are arranged in the gap in the cladding plate 22. At this time, the inner wall of the cladding plate 22 has a certain limiting and fixing effect on the refractory material layer 23. After the refractory material is arranged, the plurality of layers of refractory material are connected by the porcelain pipes 24. After the connection is completed, the porcelain pipes 24 are arranged in the opening of the ceramic hook, and the other end of the ceramic hook 25 is fixed to the top plate 21 by the bolt 7. Therefore, the ceramic hook 25 can fix the porcelain pipes 24, thereby fixing the plurality of layers of refractory material. When the high-temperature furnace needs to be transported, the lifting machine can be hooked to the lifting hole 9 to realize the lifting work.

[0029] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "set with", "connect" and the like should be understood broadly, for example, "connect", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific conditions by the person skilled in the art.

[0030] The utility model has been described above in combination with specific embodiments, but the person skilled in the art should know that these descriptions are exemplary, and are not the limitation of the protection scope of the utility model.The person skilled in the art can make various modifications and modifications to the utility model according to the spirit and principle of the utility model, and these modifications and modifications are also within the scope of the utility model.

Claims

1. A high-temperature furnace hearth roof structure, comprising a hearth and a roof, the roof comprising a top plate and a cladding plate arranged at the bottom of the top plate, the top plate being arranged on the top of the hearth, and the cladding plate being adapted to be arranged in the hearth, the cladding plate being arranged in a ring shape, and a layer of refractory material being arranged in the cladding plate corresponding to the bottom of the top plate, and a plurality of layers of refractory material being arranged in the layer of refractory material, characterized in that, A plurality of porcelain pipes are arranged in series for connecting the multiple layers of refractory material, a plurality of ceramic hooks are arranged in the cover plate, and each ceramic hook is in position correspondence with each porcelain pipe, the bottom end of each ceramic hook is arranged in a hook shape, so that the corresponding porcelain pipe is arranged in the opening part of the hook of the ceramic hook, the other end of each ceramic hook extends out of the furnace top and is detachably fixedly connected with the furnace top.

2. A high-temperature furnace hearth roof structure according to claim 1, characterized in that, A plurality of countersunk holes are arranged on the top plate, and a ceramic pad is arranged on the top of each countersunk hole in position correspondence with the countersunk hole, each ceramic hook extends out of the top plate through the countersunk hole and the ceramic pad, and a bolt is arranged on the part of each ceramic hook that extends out of the top plate.

3. A high-temperature furnace hearth roof structure according to claim 1, characterized in that, A plurality of connecting plates are arranged along the outer periphery of the top end of the cover plate, each connecting plate has the same structure, each connecting plate is arranged in an "L" shape, and the vertical and horizontal sections of each connecting plate are connected with the cover plate and the top plate, respectively.

4. A high-temperature furnace hearth roof structure according to claim 1, characterized in that, The top plate comprises a cover plate part and a plurality of support parts, the diameter of the cover plate part is greater than the inner diameter of the furnace chamber, the plurality of support parts are arranged along the circumference of the cover plate part, and the ends of the plurality of support parts away from the cover plate part are arranged in an arc shape.

5. A high-temperature furnace hearth roof structure according to claim 1, characterized in that, A plurality of lifting members are arranged on the top of the furnace top, each lifting member is provided with a lifting hole, and each lifting hole is in position correspondence with the center of the furnace chamber.

6. A high-temperature furnace hearth roof structure according to claim 1, characterized in that, The top plate is a stainless steel top plate, the cover plate is a stainless steel cover plate, and the porcelain pipe is an aluminum oxide porcelain pipe.

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