CN210892488U - Rotary drum drying-machine combustion chamber that heat preservation heat-proof quality is good - Google Patents
Rotary drum drying-machine combustion chamber that heat preservation heat-proof quality is good Download PDFInfo
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- CN210892488U CN210892488U CN201921810087.3U CN201921810087U CN210892488U CN 210892488 U CN210892488 U CN 210892488U CN 201921810087 U CN201921810087 U CN 201921810087U CN 210892488 U CN210892488 U CN 210892488U
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Abstract
The utility model discloses a rotary drum drying-machine combustion chamber with good heat preservation and heat insulation performance, which relates to the technical field of rotary drum drying-machine equipment and comprises a shell, wherein a burner mounting hole and a hot air outlet are respectively arranged at two ends of the shell, a heat preservation and insulation layer, a light heat preservation and insulation brick layer and a fire-resistant layer are sequentially arranged at the inner side of the shell, high-strength refractory castable is poured at the outer sides of the burner mounting hole and the hot air outlet, and Y-shaped claw nails fixed on the inner wall of the shell are arranged inside the high-strength refractory castable; the combustion chamber can reduce the thickness of the wall of the combustion chamber while ensuring the heat preservation and heat insulation performance of the combustion chamber, reduce the volume of the combustion chamber and save space and cost.
Description
Technical Field
The utility model belongs to the technical field of rotary drum drying-machine equipment, more specifically relates to a rotary drum drying-machine combustion chamber that heat preservation and heat-proof quality is good.
Background
Due to environmental protection requirements, more and more rotary drum dryers currently use natural gas as fuel. The natural gas is combusted to release a large amount of heat, and the flame sprayed by the combustor directly burns the inner wall of the combustion chamber, so that the temperature of the inner wall of the combustion chamber is kept at 1100-1300 ℃ for a long time in the production process. The interior of the existing combustion chamber is mostly built by single refractory materials, and when the building layer is thick, a certain heat preservation and insulation effect can be ensured, but the volume of the combustion chamber is overlarge, the building construction workload is large, and the manufacturing cost is increased; when the masonry layer is thin, the heat preservation and insulation effect is poor, the temperature of the outer wall of the combustion chamber is overhigh, the heat loss is serious, and high-temperature damage is easily caused to nearby personnel and equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rotary drum drying-machine combustion chamber that heat preservation and heat-proof quality is good to exist not enough among the prior art, have multilayer heat preservation thermal-insulated and fire-resistant structure, can realize reducing the thickness of combustion chamber wall when guaranteeing the heat preservation and heat-proof quality of combustion chamber, reduce the combustion chamber volume, practice thrift space and cost.
In order to achieve the above object, the utility model provides a rotary drum drying-machine combustion chamber that heat preservation and heat-proof quality is good, include:
the shell, the shell both ends are provided with combustor mounting hole and steam air outlet respectively, the shell inboard has set gradually thermal-insulated layer, light heat preservation insulating brick layer and flame retardant coating, the refractory castable that excels in has all been pour in combustor mounting hole and the steam air outlet outside, the inside Y type claw nail of fixing on the shell inner wall that is provided with of refractory castable that excels in.
Optionally, the housing is cylindrical, and a support seat is arranged below the housing.
Optionally, the casing is made of heat-resistant steel plate, and a plurality of reinforcing rib rings are welded on the inner side wall of the casing.
Optionally, the material of the heat preservation and insulation layer is ceramic fiber.
Optionally, the light heat-insulating brick layer is made of light high-alumina bricks.
Optionally, the refractory material is silica brick.
Optionally, the high-strength refractory castable is formed by mixing and solidifying refractory aggregate, a bonding agent, an additive and water.
Optionally, a temperature sensor mounting hole is formed in the high-strength refractory castable above the hot air outlet.
The utility model provides a rotary drum drying-machine combustion chamber that heat preservation and heat-proof quality is good, its beneficial effect lies in: through multilayer thermal insulation and fire-resistant structure, realize reducing the thickness of combustion chamber wall when guaranteeing the thermal insulation performance of combustion chamber, dwindle combustion chamber volume and weight, practice thrift space and cost.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic front view and a half-section structure of a combustion chamber of a rotary drum dryer with good heat preservation and insulation performance according to an embodiment of the present invention.
Fig. 2 shows a schematic side view of a combustion chamber of a rotary dryer with good thermal insulation performance according to an embodiment of the present invention.
Fig. 3 shows a schematic side view of a combustion chamber of a rotary dryer with good thermal insulation performance according to an embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. a heat insulation layer; 3. a light heat-insulating brick layer; 4. a refractory layer; 5. high-strength refractory castable; 6. a burner mounting hole; 7. a hot air outlet; 8. a supporting seat; 9. a temperature sensor mounting hole; 10. y-shaped claw nails.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 shows according to the utility model discloses an embodiment's a good rotary drum dryer combustion chamber of heat preservation and insulation properties's front view semi-section structure sketch map, fig. 2 shows the basis the utility model discloses an embodiment's a good rotary drum dryer combustion chamber of heat preservation and insulation properties looks sideways at the structure sketch map, fig. 3 shows the basis the utility model discloses an embodiment's a good rotary drum dryer combustion chamber of heat preservation and insulation properties looks sideways at the section structure sketch map, as shown in fig. 1 to fig. 3, the utility model provides a good rotary drum dryer combustion chamber of heat preservation and insulation properties, include:
the high-strength fireproof casting material comprises a shell 1, wherein a combustor mounting hole 6 and a hot air outlet 7 are respectively formed in two ends of the shell 1, a heat preservation and insulation layer 2, a light heat preservation and insulation brick layer 3 and a fireproof layer 4 are sequentially arranged on the inner side of the shell 1, a high-strength fireproof casting material 5 is poured in the outer sides of the combustor mounting hole 6 and the hot air outlet 7, and Y-shaped claw nails 10 fixed on the inner wall of the shell 1 are arranged inside the high-strength fireproof casting material 5.
Specifically, flame ejected by the burner installed in the burner installation hole 6 is combusted in the combustion chamber, and generated hot air flow can enter the rotary drum of the dryer through the hot air outlet 7 to exchange heat with materials, so as to dry moisture in the materials; the high-strength refractory castable 5 outside the burner mounting hole 6 and the hot air outlet 7 can improve the strength and the refractory performance of the burner mounting hole 6 and the hot air outlet 7, and the arrangement of the Y-shaped claw nails 10 can improve the structural stability of the high-strength refractory castable 5; the heat preservation and insulation layer 2, the light heat preservation and insulation brick layer 3 and the fire-resistant layer 4 on the inner side of the shell 1 ensure the heat preservation, insulation and fire-resistant performance of the combustion chamber through a multi-layer heat preservation, insulation and fire-resistant structure, the thickness and the weight of the outer wall of the combustion chamber can be reduced, the volume of the combustion chamber is reduced, and the space and the cost are saved.
In the present embodiment, the housing 1 is cylindrical, and a support seat 8 is disposed below the housing 1.
Specifically, the cylindrical shell 1 enables the combustion chamber to be heated uniformly in the using process, and the service life of the combustion chamber is prolonged.
In this embodiment, the casing 1 is made of heat-resistant steel plate, and a plurality of rib rings are welded to the inner side wall of the casing.
Specifically, the arrangement of the plurality of reinforcing rib rings can improve the strength of the housing 1 and improve the structural stability of the combustion chamber housing.
In this embodiment, the material of the thermal insulation layer 2 is ceramic fiber.
In other embodiments, the material of the thermal insulation layer 2 may also be aluminum silicate plate or rock wool.
In this embodiment, the material of the light heat-insulating brick layer 3 is light high-alumina bricks.
In other embodiments, the material of the light heat-insulating brick layer 3 can also be light clay brick or light silica brick.
Specifically, the heat-insulating layer 2 and the light heat-insulating brick layer 3 have the characteristics of low heat conductivity coefficient and light weight, can efficiently block heat in the combustion chamber from being transferred outwards, can greatly reduce the dead weight of the masonry layer, and reduces the risk of structural collapse.
In this embodiment, the refractory layer 4 is made of silica brick.
In other embodiments, the material of the refractory layer 4 may also be clay brick or high-alumina brick.
Specifically, the material of the refractory layer 4 has good heat resistance and wear resistance, and high breaking strength, so that the damage of a high-temperature environment to the combustion chamber can be greatly reduced, and the service life of the combustion chamber can be prolonged.
In the embodiment, the high-strength refractory castable 5 is formed by mixing and solidifying refractory aggregate, a bonding agent, an additive and water.
In this embodiment, a temperature sensor mounting hole 9 is provided inside the high-strength refractory castable 5 above the hot air outlet 7.
Specifically, the temperature sensor is arranged in the temperature sensor mounting hole 9, so that the internal temperature of the combustion chamber can be conveniently monitored at any time, and the working state of the equipment can be controlled.
To sum up, the utility model provides a when the good rotary drum drying-machine combustion chamber of heat preservation and heat-proof quality used, at the installation combustor in combustor mounting hole 6, the flame that the combustor erupted was burnt in this combustion chamber, and the hot gas flow of production carries out the heat exchange through steam air outlet entering drying-machine rotary drum and material, the moisture in the stoving material. The combustion chamber has good heat preservation and insulation effects, greatly reduces the temperature of the outer wall of the combustion chamber, reduces heat loss, reduces high-temperature damage risks, simultaneously reduces the volume of a masonry layer, and reduces masonry construction workload.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. The utility model provides a good rotary drum drying-machine combustion chamber of heat preservation heat-proof quality which characterized in that, this combustion chamber includes:
the shell, the shell both ends are provided with combustor mounting hole and steam air outlet respectively, the shell inboard has set gradually thermal-insulated layer, light heat preservation insulating brick layer and flame retardant coating, the refractory castable that excels in has all been pour in combustor mounting hole and the steam air outlet outside, the inside Y type claw nail of fixing on the shell inner wall that is provided with of refractory castable that excels in.
2. The combustion chamber of a rotary drum dryer with good heat preservation and insulation performance as claimed in claim 1, characterized in that the housing is cylindrical, and a supporting seat is arranged below the housing.
3. The combustion chamber of a rotary drum dryer as claimed in claim 2, wherein the casing is made of heat-resistant steel plate, and a plurality of reinforcing rib rings are welded on the inner side wall of the casing.
4. The combustion chamber of a rotary drum dryer with good heat preservation and insulation performance as claimed in claim 1, wherein the heat preservation and insulation layer is made of ceramic fiber.
5. The combustion chamber of the rotary drum dryer with good heat preservation and insulation performance as claimed in claim 1, wherein the light heat preservation and insulation brick layer is made of light high-alumina bricks.
6. The combustion chamber of a rotary drum dryer according to claim 1, wherein the refractory material is silica brick.
7. The combustion chamber of the rotary drum dryer with good heat insulation performance as claimed in claim 1, wherein the high-strength refractory castable is formed by mixing and solidifying refractory aggregate, a bonding agent, an additive and water.
8. The combustion chamber of the rotary drum dryer with good heat preservation and insulation performance as claimed in claim 1, wherein a temperature sensor mounting hole is formed in the high-strength refractory castable above the hot air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921810087.3U CN210892488U (en) | 2019-10-25 | 2019-10-25 | Rotary drum drying-machine combustion chamber that heat preservation heat-proof quality is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921810087.3U CN210892488U (en) | 2019-10-25 | 2019-10-25 | Rotary drum drying-machine combustion chamber that heat preservation heat-proof quality is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210892488U true CN210892488U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921810087.3U Active CN210892488U (en) | 2019-10-25 | 2019-10-25 | Rotary drum drying-machine combustion chamber that heat preservation heat-proof quality is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210892488U (en) |
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2019
- 2019-10-25 CN CN201921810087.3U patent/CN210892488U/en active Active
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Address after: 435229 circular economy industrial park, Fuchi Town, Yangxin County, Huangshi City, Hubei Province Patentee after: Hubei high energy Pengfu Environmental Protection Technology Co.,Ltd. Address before: 435229 circular economy industrial park, Fuchi Town, Yangxin County, Huangshi City, Hubei Province Patentee before: YANGXIN PENGFU MINES CO.,LTD. |