Lime kiln heat insulation device

Abstract

The utility model discloses a lime kiln heat insulation device which is formed by vertically splicing a plurality of circular tube-shaped heat insulation shells, each heat insulation shell is formed by horizontally splicing a first arc-shaped plate and a second arc-shaped plate, the upper end of each first arc-shaped plate is provided with an arc-shaped slot, and the bottom of each first arc-shaped plate is fixedly provided with an arc-shaped bulge; a first arc-shaped plate and a second arc-shaped plate are fixedly arranged on the heat preservation shell, a splicing structure is arranged at the connecting position of the first arc-shaped plate and the second arc-shaped plate, and ceramic limiting heat insulation layers and reflection heat insulation layers are fixedly arranged on the inner wall of the first arc-shaped plate and the inner wall of the second arc-shaped plate. The reflective thermal insulation layer comprises a metal reflective film of an aluminum foil layer and a thermal insulation material layer of an aerogel felt, heat can be effectively reflected and blocked, heat loss is greatly reduced, installation is convenient and fast, the reasonable structural design can effectively reduce installation gaps, the problem of heat loss caused by the gaps is avoided, and the thermal insulation effect is further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of kiln heat insulation devices, in particular to a lime kiln heat insulation device. Background Art

[0002] Lime kilns are key equipment used in industrial lime production. During the lime-burning process, the temperature inside the kiln reaches extremely high temperatures, necessitating effective thermal insulation. This not only helps maintain the high temperature environment within the kiln to ensure lime burning quality, but also reduces heat loss and energy consumption.

[0003] Traditional lime kiln thermal insulation systems often lack effectiveness and ease of installation. Some systems have simple structures and inappropriate insulation materials, which can easily transfer heat through the system to the outside world, preventing the kiln from effectively retaining heat and increasing energy consumption. Furthermore, complex connections between components make installation time-consuming and labor-intensive. Furthermore, large gaps can easily form during installation, creating channels for heat dissipation and further weakening the insulation. Utility Model Content

[0004] (1) Technical issues

[0005] The purpose of the utility model is to provide a lime kiln heat insulation device, aiming to solve the problems of poor heat insulation effect, inconvenience in installation and installation gaps that affect insulation in traditional lime kiln heat insulation devices.

[0006] (2) Technical content

[0007] In order to solve the above technical problems, the technical solution of the utility model is: a lime kiln heat insulation device, the insulation device is composed of a plurality of tubular insulation shells spliced ​​together up and down, the insulation shell is composed of a first arc plate and a second arc plate spliced ​​together left and right, the upper end of the first arc plate is provided with an arc slot, the bottom of the first arc plate is fixed with an arc protrusion that is adapted to be plugged into the arc slot, a splicing structure is provided at the connection between the first arc plate and the second arc plate, the inner walls of the first arc plate and the second arc plate are fixed with a ceramic limiting insulation layer, and a reflective insulation layer is fixed inside the ceramic fiber insulation layer.

[0008] Furthermore, the reflective heat-insulating layer includes a metal reflective film and a heat-insulating material layer fixed sequentially from the inside to the outside.

[0009] Furthermore, the metal reflective film is an aluminum foil layer, and the heat insulation material layer is an aerogel felt.

[0010] Furthermore, connecting ear plates are fixedly provided at the joints of the first arc-shaped plate and the second arc-shaped plate, and the connecting ear plates are fixed by bolts.

[0011] Furthermore, the splicing structure includes a T-shaped slot and a T-shaped plug-in block provided on both end surfaces of the first arc-shaped plate, and also includes a T-shaped slot 2 and a T-shaped plug-in block 2 provided on both end surfaces of the second arc-shaped plate. The T-shaped slot and the T-shaped plug-in block 2 are matched and plugged in, and the T-shaped plug-in block and the T-shaped slot 2 are matched and plugged in.

[0012] (3) Technical effects

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. Excellent thermal insulation: The device's thermal insulation shell is composed of a first curved plate and a second curved plate, with a ceramic limiting insulation layer on the inner wall and a reflective insulation layer inside. The reflective insulation layer, consisting of a metallic reflective film of aluminum foil and an insulating layer of aerogel felt, effectively reflects and blocks heat, significantly reducing heat loss, ensuring a stable high-temperature environment within the kiln, improving lime burning quality, and reducing energy consumption.

[0015] 2. Easy Installation: The first curved plate features a curved slot at the top and a curved protrusion at the bottom, facilitating connection. The connection between the first and second curved plates incorporates a splicing structure, including T-slots and T-shaped inserts. The connecting lugs are secured with bolts. This design simplifies and accelerates installation, reducing installation time and costs while improving production efficiency. Furthermore, the rational structural design effectively minimizes installation gaps, preventing heat loss caused by gaps and further enhancing thermal insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural diagram of a lime kiln heat insulation device of the utility model. Figure 1 .

[0017] Figure 2 This is a three-dimensional structural diagram of a lime kiln heat insulation device of the utility model. Figure 2 .

[0018] Figure 3 This is a schematic diagram of the main structure of the first curved plate of the utility model.

[0019] Figure 4 It is a left-side structural schematic diagram of the first curved plate of the utility model.

[0020] Figure 5 It is a schematic diagram of the top view of the assembled structure of the first curved plate and the second curved plate of the utility model.

[0021] As shown in the figure: 1. First curved plate; 2. Second curved plate; 3. Curved slot; 4. Curved protrusion; 5. Ceramic fiber insulation layer; 6. Reflective insulation layer; 7. Connecting ear plate; 8. T-shaped slot; 9. T-shaped plug; 10. T-shaped slot 2; 11. T-shaped plug 2; 601. Metal reflective film; 602. Insulation material layer. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", "center", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction structure and operation. Therefore, they cannot be understood as limitations on the present invention.

[0023] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "provided with," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0024] The present invention will be described in further detail below with reference to the accompanying drawings.

[0025] Combined with attachment Figure 1 To the attached Figure 5 , a lime kiln heat insulation device, the insulation device is composed of a plurality of tubular insulation shells spliced ​​together up and down, the insulation shell is composed of a first curved plate 1 and a second curved plate 2 spliced ​​together left and right, the upper end of the first curved plate 1 is provided with an arc slot 3, the bottom of the first curved plate 1 is fixedly provided with an arc protrusion 4 that is adapted to be plugged into the arc slot 3, a splicing structure is provided at the connection between the first curved plate 1 and the second curved plate 2, the inner walls of the first curved plate 1 and the second curved plate 2 are fixedly provided with a ceramic limiting insulation layer 5, and a reflective insulation layer 6 is fixedly provided inside the ceramic fiber insulation layer 5.

[0026] The reflective heat-insulating layer 6 includes a metal reflective film 601 and a heat-insulating material layer 602 fixed sequentially from the inside to the outside. The metal reflective film 601 is an aluminum foil layer, and the heat-insulating material layer 602 is an aerogel felt.

[0027] The first curved plate 1 and the second curved plate 2 are both fixed with connecting ear plates 7 at the joints, and the connecting ear plates 7 are fixed by bolts. The splicing structure includes a T-shaped slot 8 and a T-shaped plug-in block 9 provided on the two end surfaces of the first curved plate 1, and also includes a T-shaped slot 10 and a T-shaped plug-in block 11 provided on the two end surfaces of the second curved plate 2. The T-shaped slot 8 is matched with the T-shaped plug-in block 11, and the T-shaped plug-in block 9 is matched with the T-shaped slot 10.

[0028] The working principle of the heat insulation device of a lime kiln furnace of the present invention is as follows: the device mainly realizes the heat insulation function by utilizing the heat insulation shell and the multi-layer heat insulation structure inside the device. The ceramic limiting heat insulation layer 5 can preliminarily block the heat conduction, the metal reflective film 601 in the reflective heat insulation layer 6 can reflect most of the heat, and the heat insulation material layer 602 further prevents the heat transfer. In terms of installation, the upper and lower heat insulation shells can be conveniently spliced ​​together by the arc-shaped slots 3 and the arc-shaped protrusions 4 on the first arc-shaped plate 1. The splicing structure of the first arc-shaped plate 1 and the second arc-shaped plate 2 (T-shaped slots 8, T-shaped plugs 9, T-shaped slots 10, T-shaped plugs 11) and the bolt fixation between the connecting ear plates 7 ensure that the components are tightly connected and the gap is reduced, thereby improving the overall heat insulation performance and installation convenience.

[0029] The working process of the heat insulation device of a lime kiln in the utility model is as follows:

[0030] 1. Begin installing the bottom insulation shell: Take a first curved plate 1 and a second curved plate 2. Insert the T-shaped insert 9 at one end of the first curved plate 1 into the T-shaped slot 10 at one end of the second curved plate 2. Simultaneously, mate the T-shaped slot 8 at the other end of the first curved plate 1 with the T-shaped insert 11 at the other end of the second curved plate 2. Then, secure the connecting lug 7 at the joint with bolts to complete the bottom insulation shell assembly.

[0031] 2. Attach the insulation shell upwards: Align the curved protrusion 4 on the bottom of the other first curved plate 1 with the curved slot 3 on the top of the already installed first curved plate 1 and insert it. Repeat the same procedure for the second curved plate 2. Then, secure the connecting lugs 7 at the junction of the new first curved plate 1 and the second curved plate 2 with bolts. Repeat this step until the desired insulation shell height is achieved.

[0032] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A heat insulation device for a lime kiln, wherein the heat insulation device is composed of a plurality of cylindrical heat insulation shells spliced ​​together from top to bottom, wherein the heat insulation shell is composed of a first curved plate (1) and a second curved plate (2) spliced ​​together from left to right, characterized in that: An arc-shaped slot (3) is provided at the upper end of the first arc-shaped plate (1), an arc-shaped protrusion (4) adapted to be plugged into the arc-shaped slot (3) is fixedly provided at the bottom of the first arc-shaped plate (1), a splicing structure is provided at the connection between the first arc-shaped plate (1) and the second arc-shaped plate (2), a ceramic fiber heat insulation layer (5) is fixedly provided on the inner wall of the first arc-shaped plate (1) and the second arc-shaped plate (2), and a reflective heat insulation layer (6) is fixedly provided inside the ceramic fiber heat insulation layer (5).

2. The heat insulation device for a lime kiln according to claim 1, characterized in that: The reflective heat-insulating layer (6) comprises a metal reflective film (601) and a heat-insulating material layer (602) fixed sequentially from the inside to the outside.

3. The heat insulation device for a lime kiln according to claim 2, characterized in that: The metal reflective film (601) is an aluminum foil layer, and the heat insulation material layer (602) is an aerogel felt.

4. The heat insulation device for a lime kiln according to claim 1, characterized in that: Connecting ear plates (7) are fixedly provided at the joints of the first arc-shaped plate (1) and the second arc-shaped plate (2), and the connecting ear plates (7) are fixed by bolts.

5. The heat insulation device for a lime kiln according to claim 1, characterized in that: The splicing structure comprises a T-shaped slot (8) and a T-shaped plug-in block (9) provided on both end surfaces of the first arc-shaped plate (1), and further comprises a second T-shaped slot (10) and a second T-shaped plug-in block (11) provided on both end surfaces of the second arc-shaped plate (2), wherein the T-shaped slot (8) and the second T-shaped plug-in block (11) are matched and plugged in, and the T-shaped plug-in block (9) and the second T-shaped slot (10) are matched and plugged in.

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