CN216080978U - Light integral sintering ore ignition furnace - Google Patents
Light integral sintering ore ignition furnace Download PDFInfo
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- CN216080978U CN216080978U CN202121096603.8U CN202121096603U CN216080978U CN 216080978 U CN216080978 U CN 216080978U CN 202121096603 U CN202121096603 U CN 202121096603U CN 216080978 U CN216080978 U CN 216080978U
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Abstract
The utility model discloses a light integral type sintering ore ignition furnace, and belongs to the related technical field of sintering ore ignition furnaces. The furnace body comprises a furnace body, the furnace body top sets up insulation construction, insulation construction includes heat-resistant layer, heat preservation and outer jacket, heat preservation one side meets with the outer jacket, and the opposite side meets with the heat-resistant layer, insulation construction's heat-resistant layer one side sets up towards the furnace body direction. Among the insulation construction of three-layer, from the direction from inside to outside of ignition furnace, be heat-resistant layer, heat preservation and outer jacket respectively, the heat-resistant layer mainly protects the heat preservation and avoids the sintering deposit to splash the furnace lining and damage the heat preservation under burning high temperature, and the inside heat preservation function of ignition furnace is realized to the heat preservation, and the outer jacket provides the depending on point of installation for the heat preservation on the one hand, and on the other hand protects the heat preservation not to be damaged.
Description
Technical Field
The utility model belongs to the technical field of a sintering ore ignition furnace, and particularly relates to a light integral sintering ore ignition furnace.
Background
Sintering is an important component in the metallurgical industry, particularly in the steel smelting process, and is also one of the key operations affecting the energy consumption index of the whole smelting process. Sintering is a processing method for providing 'fine material' for blast furnace smelting, which is characterized in that prepared raw materials (concentrate, mineral powder, fuel, flux, return ore and the like) are proportioned according to a certain proportion, mixed and granulated to obtain a sintering material meeting requirements, the sintering material is ignited, high temperature is generated by means of combustion of carbon and oxidation of iron minerals, partial components in the sintering material are softened and melted, a certain amount of liquid phase is generated by chemical reaction, and the liquid phase are bonded into blocks when cooled, and the product in the process is called sintering ore.
An ignition holding furnace is needed in the sintering process, the ignition holding furnace plays roles of sintering ignition and realizing hot air sintering in the ore sintering production process, the ignition temperature range is usually 1100-1300 ℃, and the ignition temperature range is usually controlled to be 1150 +/-50 ℃ in actual operation. The ignition heat-preservation furnace is divided into a fire section and a heat-preservation section, the conventional structure of the furnace body is an integral frame structure consisting of a furnace top and side walls, the side walls are provided with steel plates, and the furnace top is free of the steel plates. The anchoring bricks are hung on the furnace top frame to anchor the furnace top refractory lining on the furnace top. The side wall is provided with a furnace wall steel plate, the material of the side wall refractory lining layer is a heavy castable, the side wall refractory lining adopts a Y-shaped heat-resistant anchoring piece, and the Y-shaped anchoring piece is welded on the side wall steel plate. At present, the ignition holding furnace of this structure heat accumulation loss is big, and the heat preservation effect is poor, and comprehensive energy consumption is higher, and life generally is about five years, and its overhaul process is: the method comprises the following steps of dismantling a steel structure and a refractory material on line, manufacturing the steel structure on line, installing a burner and a pipeline, welding an anchoring piece, erecting a refractory material formwork, pouring a castable, preserving health, baking and the like, and influences the use efficiency.
The Chinese patent application numbers are: 201020608476.0, the announcement date is: 2011.06.15, which comprises a furnace body covering the sintering trolley, a refractory lining arranged on the inner side of the furnace body, and a main burner and a cyclone burner arranged above the furnace body. The furnace body is detachable integrated configuration, assembles by ignition section and heat preservation section and forms. The refractory lining is a ceramic fiber lining with good heat insulation effect and convenient installation. The off-line manufacturing and off-line baking of the ignition furnace and the holding furnace can be realized under the condition that the sintering machine does not stop, after the sintering machine stops, the old furnace body is dismantled, the new furnace body is lifted in blocks and assembled and installed on line into a whole, the repair construction period can be greatly shortened, and the working efficiency of the sintering machine is improved.
The Chinese patent application numbers are: 202020871040.4, the announcement date is: 2021.02.09, which comprises an ignition furnace body, wherein the frame of the ignition furnace body is composed of a plurality of precast beams, the top of the ignition furnace body is provided with a first heat preservation layer, the side of the ignition furnace body is provided with a second heat preservation layer, the first heat preservation layer and the second heat preservation layer are both arranged on the outer surface of the precast beams, and the gap between the adjacent precast beams is filled and filled by the mixture of high-temperature daub and high-temperature cellucotton/felt. The top and the side of the ignition furnace are both provided with the heat preservation layers, so that the heat loss at the two sides and the top of the ignition furnace can be effectively reduced, and the heat efficiency of the ignition furnace is improved; the gap is filled with the mixture of the high-temperature daub and the high-temperature cellucotton/felt, so that the problems in the prior art can be effectively solved, no sundries are accumulated, and the heat preservation effect is good.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem of poor use effect of a furnace lining of the conventional sintering ignition furnace, the utility model provides a light integral type sintering ore ignition furnace. Through structural design, the sintering ignition furnace has good heat insulation effect, long service life and is more convenient.
2. Technical scheme
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the light integral type sintering ore ignition furnace comprises a furnace body, wherein a heat insulation structure is arranged at the top of the furnace body, the heat insulation structure comprises a heat-resistant layer, a heat insulation layer and an outer protection layer, one side of the heat insulation layer is connected with the outer protection layer, the other side of the heat insulation layer is connected with the heat-resistant layer, and one side of the heat-resistant layer of the heat insulation structure is arranged towards the direction of the furnace body. Among the insulation construction of three-layer, from the direction from inside to outside of ignition furnace, be heat-resistant layer, heat preservation and outer jacket respectively, the heat-resistant layer mainly protects the heat preservation and avoids the sintering deposit to splash the furnace lining and damage the heat preservation under burning high temperature, and the inside heat preservation function of ignition furnace is realized to the heat preservation, and the outer jacket provides the depending on point of installation for the heat preservation on the one hand, and on the other hand protects the heat preservation not to be damaged.
Preferably, the heat-insulating layer is made of refractory fibers. The refractory fiber is more convenient to use and install.
Preferably, the insulating layer is composed of a plurality of refractory fiber modules, and the refractory fiber modules are box-shaped. The box-shaped refractory fiber is formed, and the box-shaped refractory fiber can be stacked in the installation process, so that the installation and the disassembly of the refractory fiber are convenient.
Preferably, the heat-insulating layer further comprises a refractory fiber blanket, the refractory fiber blanket is arranged between the refractory fiber module and the outer protective layer, one end of the refractory fiber blanket is connected with the refractory fiber module, and the other end of the refractory fiber blanket is connected with the outer protective layer. The box-shaped refractory fiber is required to be connected with the outer protective layer to ensure the stability of the whole arrangement of the box-shaped refractory fiber, so that when the box-shaped refractory fiber is connected with the outer protective layer, the box-shaped refractory fiber is connected with the refractory fiber blanket to determine the arrangement position of the box-shaped refractory fiber, the refractory fiber blanket is conveniently fixed with the outer protective layer, the use is more convenient, and the cost is lower.
Preferably, in an embodiment of the present invention, the outer sheath is a steel plate. Two functions of outer jacket are the protection heat preservation respectively to and for the heat preservation provides the point of attachment, the structural stability of the heat preservation of being convenient for, both all do not have too much requirement to the material composition of outer jacket, adopt conventional steel sheet can.
Preferably, in an embodiment of the present invention, the heat-resistant layer is a heat-resistant steel sheet. The heat-resistant layer is mainly set for preventing the heat preservation layer from being damaged by splashing in the ignition furnace, and because the temperature in the ignition furnace is higher, the heat-resistant steel plate is better for ensuring the service life of the heat-resistant layer and facilitating the acquisition of the heat-resistant layer material.
Preferably, the furnace body comprises an ignition section and a heat preservation section, the ignition section and the heat preservation section are separated by a partition wall, and an integrated heat preservation structure is arranged on the ignition section, the partition wall and the heat preservation section. The heat preservation structure of integral type, its holistic heat preservation effect is better, reduces split type heat dissipation at the contact department.
Preferably, the furnace further comprises a nozzle, wherein the nozzle is arranged at the upper part of the furnace body and is connected with the heat preservation structure.
3. Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
(1) the light integral type sintering ore ignition furnace has no common refractory material lining, combines a furnace lining and a steel structure into a whole, adopts a box-shaped structure that inner and outer steel plates sandwich refractory fiber, and has light weight, good heat preservation effect, long service life and short installation period;
(2) the light integral type sintering ore ignition furnace has the characteristics of no seam on the whole, good heat preservation effect, energy conservation, environmental protection, short installation period, no need of furnace baking, shortened production stop time, increased economic benefit and the like.
Drawings
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
in the drawings: 1. a furnace body; 2. an ignition section; 3. a heat preservation section; 4. a partition wall; 5. a heat-resistant layer; 6. a heat-insulating layer; 7. an outer jacket; 8. and (4) a nozzle.
Detailed Description
The following detailed description of exemplary embodiments of the utility model refers to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration exemplary embodiments in which the utility model may be practiced. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the utility model, it should be understood that other embodiments may be realized and that various changes to the utility model may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is presented for purposes of illustration only and not limitation to describe the features and characteristics of the utility model, to set forth the best mode of carrying out the utility model, and to sufficiently enable one skilled in the art to practice the utility model. Accordingly, the scope of the utility model is to be limited only by the following claims.
The detailed description and exemplary embodiments of the utility model will be better understood when read in conjunction with the appended drawings, where the elements and features of the utility model are identified by reference numerals.
Example 1
The light integral type sintering ore ignition furnace of the embodiment comprises a furnace body 1, wherein the outside of the furnace body 1 is of a frame structure, an inner cavity of the furnace body 1 is divided into an ignition section 2 and a heat preservation section 3, and a partition wall 4 is used between the ignition section 2 and the heat preservation section 3 for separation. Use partition wall 4 to separate between ignition section 2 and the heat preservation section 3, be provided with the insulation construction of integral type on ignition section 2, partition wall 4 and the heat preservation section 3. The heat preservation structure of integral type, its holistic heat preservation effect is better, reduces split type heat dissipation at the contact department.
1 top of furnace body sets up insulation construction, and insulation construction meets with nozzle 8, and insulation construction includes heat-resistant layer 5, heat preservation 6 and outer jacket 7, and 6 one side of heat preservation meet with outer jacket 7, and the opposite side meets with heat-resistant layer 5, and 5 one side of heat-resistant layer of insulation construction sets up towards 1 direction of furnace body. Among the insulation construction of three-layer, from the direction from inside to outside of ignition furnace, be heat-resistant layer 5, heat preservation 6 and outer jacket 7 respectively, heat-resistant layer 5 mainly protects heat preservation 6 and avoids the sintering deposit to splash to the furnace lining and damage heat preservation 6 under the high temperature of burning, and heat preservation 6 realizes the inside heat preservation function of ignition furnace, and outer jacket 7 provides the depending on point of installation for heat preservation 6 on the one hand, and on the other hand protects heat preservation 6 not to be damaged.
The heat-insulating layer 6 is made of refractory fiber. The refractory fiber is more convenient to use and install. The heat-insulating layer 6 is composed of a plurality of refractory fiber modules, and the refractory fiber modules are box-shaped. The box-shaped refractory fiber is formed, and the box-shaped refractory fiber can be stacked in the installation process, so that the installation and the disassembly of the refractory fiber are convenient. The heat preservation layer 6 further comprises a fire-resistant fiber blanket, the fire-resistant fiber blanket is arranged between the fire-resistant fiber module and the outer protection layer 7, one end of the fire-resistant fiber blanket is connected with the fire-resistant fiber module, and the other end of the fire-resistant fiber blanket is connected with the outer protection layer 7. The box-shaped refractory fiber is required to be connected with the outer protective layer 7 to ensure the stability of the whole arrangement of the box-shaped refractory fiber, so that when the box-shaped refractory fiber is connected with the outer protective layer 7, the box-shaped refractory fiber is connected with the refractory fiber blanket to determine the arrangement position of the box-shaped refractory fiber, the refractory fiber blanket is conveniently fixed with the outer protective layer 7, the use is more convenient, and the cost is lower.
The outer protective layer 7 is a steel plate. Two functions of outer jacket 7 are protection heat preservation 6 respectively to and for heat preservation 6 provides the point of attachment, the structural stability of heat preservation 6 of being convenient for, both all do not have too much requirement to outer jacket 7's material composition, adopt conventional steel sheet can.
The heat-resistant layer 5 is a heat-resistant steel plate. The heat-resistant layer 5 is mainly arranged for preventing the heat-insulating layer 6 from being damaged by splashing in the ignition furnace, and because the temperature in the ignition furnace is higher, a heat-resistant steel plate is better for ensuring the service life of the heat-resistant layer 5 and facilitating the acquisition of the material of the heat-resistant layer 5.
The ignition furnace has the following detailed advantages that the furnace lining (the heat insulation layer 6) is completely made of the zirconium-containing fiber module, the zirconium-containing fiber module is fixed on the outer layer steel plate at the long-term use temperature of more than 1200 ℃, and the inner layer is protected by lining the heat-resistant steel plate; the furnace lining and the steel structure are integrated with each other to form a box-shaped plate structure with inner and outer double-layer steel plates sandwiched with refractory fibers; the ignition furnace body is made into an integral structure without any seam. The production process (preparation method) of the ignition furnace specifically comprises the following steps:
1. and manufacturing an outer steel structure, wherein the outer steel structure is a frame structure formed by combining a common carbon steel plate and profile steel. The frame structure has certain strength and rigidity, and equipment and a furnace lining of the ignition furnace are fixed and installed on a steel structure.
2. The construction of the refractory fiber furnace lining is that 2 layers of refractory fiber blankets are firstly paved close to an outer layer steel plate, and a refractory fiber module is fixed on an outer layer steel structure.
3. After the refractory fiber module is fixed, the refractory fiber module is protected by the inner-layer lining heat-resistant steel plate, the heat-resistant steel plate is suspended on the outer-layer steel framework, the heat-resistant steel plate is not stressed, the protection effect is mainly achieved, and the situation that sinter splashes to the lining at high combustion temperature to damage the fiber module is avoided.
Claims (8)
1. The utility model provides a light-duty integral sintering ore ignition stove which characterized in that: including furnace body (1), furnace body (1) top sets up insulation construction, insulation construction includes heat-resistant layer (5), heat preservation (6) and outer jacket (7), heat preservation (6) one side meets with outer jacket (7), and the opposite side meets with heat-resistant layer (5), heat-resistant layer (5) one side of insulation construction sets up towards furnace body (1) direction.
2. A light-weight integral type sintering ore ignition furnace according to claim 1, wherein: the heat-insulating layer (6) is made of refractory fiber.
3. A light-weight integral type sintering ore ignition furnace according to claim 2, characterized in that: the heat insulation layer (6) is composed of a plurality of fire-resistant fiber modules, and the fire-resistant fiber modules are box-shaped.
4. A light-weight integral type sintering ore ignition furnace according to claim 3, characterized in that: the heat preservation layer (6) further comprises a fire-resistant fiber blanket, the fire-resistant fiber blanket is arranged between the fire-resistant fiber module and the outer protection layer (7), one end of the fire-resistant fiber blanket is connected with the fire-resistant fiber module, and the other end of the fire-resistant fiber blanket is connected with the outer protection layer (7).
5. A lightweight integral type sintering ore ignition furnace according to any one of claims 1 to 4, characterized in that: the outer protective layer (7) is a steel plate.
6. A lightweight integral type sintering ore ignition furnace according to any one of claims 1 to 4, characterized in that: the heat-resistant layer (5) is a heat-resistant steel plate.
7. A light-weight integral type sintering ore ignition furnace according to claim 1, wherein: furnace body (1) is including ignition section (2) and heat preservation section (3), use between ignition section (2) and heat preservation section (3) partition wall (4) to separate, be provided with the insulation construction of integral type on ignition section (2), partition wall (4) and the heat preservation section (3).
8. A light-weight integral type sintering ore ignition furnace according to claim 1, wherein: the furnace body is characterized by further comprising a nozzle (8), wherein the nozzle (8) is arranged on the upper portion of the furnace body (1), and the nozzle (8) is connected with the heat insulation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096603.8U CN216080978U (en) | 2021-05-19 | 2021-05-19 | Light integral sintering ore ignition furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096603.8U CN216080978U (en) | 2021-05-19 | 2021-05-19 | Light integral sintering ore ignition furnace |
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| CN216080978U true CN216080978U (en) | 2022-03-18 |
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| CN202121096603.8U Active CN216080978U (en) | 2021-05-19 | 2021-05-19 | Light integral sintering ore ignition furnace |
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- 2021-05-19 CN CN202121096603.8U patent/CN216080978U/en active Active
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