Heat insulation device applied to oil refining chemical heating furnace

Abstract

The utility model relates to the technical field of heat insulation devices, and discloses a heat insulation device applied to an oil refining chemical heating furnace, which comprises a heating furnace body, four protective layers are arranged on the outer wall of the heating furnace body, the four protective layers are connected through plug-in assemblies, two outer shells are arranged on the outer walls of the four protective layers, and the plug-in assemblies are arranged on the outer shells. The front sides of the two outer shells are connected through two locking assemblies, the protection layer comprises a flame-retardant layer located on the outer wall of the heating furnace body, and a heat insulation layer is arranged on the outer wall of the flame-retardant layer. According to the heat insulation device, the protective layer, the waterproof layer, the heat insulation layer and the flame-retardant layer are matched through the inserting grooves and the inserting blocks, the other protective layer, the other waterproof layer, the other heat insulation layer and the other flame-retardant layer can be conveniently assembled, and finally the two outer shells are matched through the locking shafts and the locking blocks, so that the heat insulation device is convenient to maintain and replace; and meanwhile, the heating furnace can be better subjected to heat insulation through a protective layer, a waterproof layer, a heat insulation layer and a flame-retardant layer.

Description

Technical Field

[0001] The utility model relates to the technical field of heat insulation devices, in particular to a heat insulation device applied to a heating furnace in an oil refining chemical industry. Background Art

[0002] In the metallurgical industry, a heating furnace is a device (industrial furnace) that heats materials or workpieces (usually metals) to rolling and forging temperature. Heating furnaces are used in many industries such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, and pharmaceuticals.

[0003] After searching, a heat insulation device for a heating furnace with announcement number CN211261801U comprises a base, a support base is connected above the base, a heating furnace body is arranged at the center above the support base, a plurality of fixing plates are arranged around the lower part of the heating furnace body, the fixing plates are fixed above the support base by anchor bolts, a plurality of fixing rods are connected around the outside of the heating furnace body, the outer surface of the heating furnace body is covered with an electric heating wire, a temperature sensor is arranged on the outer wall of the heating furnace body on one side of the outer side of the electric heating wire, a ventilation cavity is arranged on one side of the electric heating wire, and a flame retardant layer is connected on one side of the ventilation cavity. The utility model preheats the heating furnace in advance by arranging the electric heating wire on the heating furnace body, thereby improving the preheating speed of the heating furnace, and at the same time, multiple protective layers and ventilation cavities are arranged on the heating furnace, which can insulate the heating furnace while accelerating the cooling speed when the heating furnace is shut down, thereby improving work efficiency.

[0004] Based on the above patent, an electric heating wire is arranged on the heating furnace body to preheat the heating furnace in advance, thereby increasing the preheating speed of the heating furnace. At the same time, multiple protective layers and ventilation cavities are provided on the heating furnace. While insulating the heating furnace, the cooling speed is accelerated when the heating furnace is shut down, thereby improving work efficiency. However, when installing the insulation layer of the heating furnace, the installation is more difficult due to the complexity of the structure, which makes it more difficult to repair and replace one of the layers when it is damaged. In this regard, in response to this technical problem, the present application proposes an insulation device for use in oil refining and chemical heating furnaces. Summary of the invention

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a heat insulation device for use in a petroleum refining and chemical heating furnace. By fitting a protective layer, a waterproof layer, a heat insulation layer and a flame retardant layer through a slot and an insert block, it is convenient to assemble another protective layer, a waterproof layer, a heat insulation layer and a flame retardant layer. Finally, the heat insulation device is quickly installed through the fitting of a lock shaft and a lock block between two outer shells, which is convenient for maintenance and replacement. At the same time, the heating furnace can be better insulated by the provided protective layer, waterproof layer, heat insulation layer and flame retardant layer.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulation device applied to a petroleum refining and chemical heating furnace, comprising a heating furnace body, the outer wall of the heating furnace body is provided with four protective layers, the four protective layers are connected by plug-in components, the outer walls of the four protective layers are provided with two outer shells, and the front sides of the two outer shells are connected by two locking components.

[0007] Furthermore, the protective layer includes a flame retardant layer located on the outer wall of the heating furnace body, the outer wall of the flame retardant layer is provided with an insulation layer, the outer wall of the insulation layer is provided with a waterproof layer, the outer wall of the waterproof layer is provided with an insulation layer, and the outer wall of the insulation layer is provided on the inner wall of the outer shell.

[0008] Furthermore, the plug-in assembly includes a plurality of slots located at the middle ends of both sides of the protective layer, the heat insulation layer and the flame retardant layer, and a plug shaft is provided on the side close to the two protective layers, and a plurality of plug blocks are fixedly connected to the outer wall of the plug shaft, and the plug blocks are arranged inside the slots.

[0009] Furthermore, the locking assembly includes a locking shaft located at the front side of the outer shell on the left side and a locking block located at the front side of the outer shell on the right side, and the right end of the outer shell is arranged at one end of the locking block.

[0010] Furthermore, a pressing plate is slidably connected to the middle end of the lock shaft, and the left side of the pressing plate is arranged on the right side of the locking block.

[0011] Furthermore, a spring is sleeved on the outer wall of the lock shaft, one end of the spring is fixedly connected to the right end of the lock shaft, and the other end of the spring is fixedly connected to the right side of the pressing plate.

[0012] Furthermore, the rear sides of the two outer shells are rotatably connected.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the protective layer composed of the protective layer, the waterproof layer, the heat-insulating layer and the flame-retardant layer, and the protective layer, the waterproof layer, the heat-insulating layer and the flame-retardant layer are conveniently installed with other protective layers, waterproof layers, heat-insulating layers and flame-retardant layers through the cooperation between the slots and the plug-in blocks. At the same time, the four protective layers, the waterproof layer, the heat-insulating layer and the flame-retardant layer are reinforced by two outer shells, and then the quick installation of the thermal insulation device is realized through the cooperation between the locking shaft and the locking block, which is convenient for the subsequent inspection and replacement of the damaged protective layer, waterproof layer, heat-insulating layer and flame-retardant layer.

[0015] 2. In the utility model, by cooperating among the protective layer, the waterproof layer, the heat insulating layer and the flame retardant layer and then by the protection of the outer shell, the heat loss of the heating furnace body during operation is reduced, the energy utilization rate is improved and the cost is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a heat insulation device for a heating furnace in a petroleum refining and chemical industry proposed by the utility model;

[0017] Figure 2 for Figure 1 A in the enlarged view;

[0018] Figure 3 This is a schematic diagram of the outer shell structure of a heat insulation device applied to a heating furnace in a petroleum refining chemical industry proposed by the utility model;

[0019] Figure 4 The utility model discloses a plug-in shaft diagram of a heat insulation device applied to a heating furnace of an oil refining chemical industry.

[0020] Legend:

[0021] 1. Heating furnace body; 2. Locking block; 3. Locking shaft; 4. Spring; 5. Pressing sheet; 6. Protective layer; 7. Inserting shaft; 8. Waterproof layer; 9. Heat insulation layer; 10. Flame retardant layer; 11. Outer shell; 12. Slot; 13. Inserting block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-4 The utility model provides an embodiment: a heat insulation device applied to a heating furnace of a petroleum refining chemical industry, comprising a heating furnace body 1, the outer wall of the heating furnace body 1 is provided with four protective layers 6, a waterproof layer 8, a heat insulation layer 9 and a flame retardant layer 10, the four protective layers 6, the waterproof layer 8, the heat insulation layer 9 and the flame retardant layer 10 are connected through an insert block 13 and a slot 12, the outer walls of the four protective layers are provided with two outer shells 11, and the front sides of the two outer shells 11 are connected through two locking blocks 2 and a locking shaft 3;

[0024] Specifically, first, the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10 are fixed together, and then the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10 are installed with the other three protective layers 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10 through the cooperation between the slot 12 and the plug 13, and then the two outer shells 11 are rotated and the two outer shells 11 are put together, and then the lock shaft 3 is rotated so that the lock shaft 3 is stuck in one end of the lock block 2, and then the spring 4 and the pressing plate 5 are cooperated to fix the pressing plate 5 on one side of the lock block 2, so that the two outer shells 11 are locked, and the thermal insulation device is installed, which is convenient for the inspection and replacement of the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10. At the same time, the cooperation between the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10 can reduce the heat loss of the heating furnace body 1 during operation, improve energy utilization, and save costs.

[0025] A flame retardant layer 10 is located on the outer wall of the heating furnace body 1, an insulating layer 9 is arranged on the outer wall of the flame retardant layer 10, a waterproof layer 8 is arranged on the outer wall of the insulating layer 9, an insulating layer 9 is arranged on the outer wall of the waterproof layer 8, and the outer wall of the insulating layer 9 is arranged on the inner wall of the outer shell 11, a plurality of slots 12 are located at the middle ends of the protective layer 6, the insulating layer 9 and the flame retardant layer 10 on both sides, a plug shaft 7 is arranged on the side close to the two protective layers 6, a plurality of plug blocks 13 are fixedly connected to the outer wall of the plug shaft 7, and the plug blocks 13 are arranged inside the slots 12, a locking shaft 3 is located on the front side of the left outer shell 11, and a locking block 2 is located on the front side of the right outer shell 11, the right end of the outer shell 11 is arranged at one end of the locking block 2, the middle end of the locking shaft 3 is slidably connected with a pressing piece 5, the left side of the pressing piece 5 is arranged on the right side of the locking block 2, the outer wall of the locking shaft 3 is sleeved with a spring 4, one end of the spring 4 is fixedly connected to the right end of the locking shaft 3, and the other end of the spring 4 is fixedly connected to the right side of the pressing piece 5, and the rear sides of the two outer shells 11 are rotatably connected;

[0026] Specifically, first, the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10 are installed together, and then the plug block 13 is inserted into the inside of the slot 12, and then the plug shaft 7 is used to realize the connection between the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10 and the other three protective layers 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10, and then the two outer shells 11 are combined together by rotating the outer shell 11, and the lock shaft 3 is clamped at one end of the lock block 2, and then the press plate 5 is pressed on one side of the lock block 2 through the cooperation between the spring 4 and the press plate 5, so as to realize the quick installation of the thermal insulation device, facilitate the improvement of the installation efficiency of the thermal insulation device, and facilitate the inspection and replacement of the damaged protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10, and at the same time, it is convenient to realize heat loss through the cooperation between the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10, improve energy utilization and save costs.

[0027] Working principle: first, after fixing the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10 together, insert the plug block 13 into the inside of the slot 12, and then cooperate with the plug shaft 7 to realize the connection between the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10 and the other three protective layers 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10, and then rotate the two outer shells 11, put the two outer shells 11 together, rotate the lock shaft 3 so that the lock shaft 3 is stuck in one end of the lock block 2, and then through the cooperation between the spring 4 and the pressing plate 5, the pressing plate 5 is fixed on one side of the lock block 2, and the installation of the thermal insulation device is realized, which is convenient for the inspection and replacement of the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10. At the same time, through the cooperation between the protective layer 6, the waterproof layer 8, the thermal insulation layer 9 and the flame retardant layer 10, the heat loss of the heating furnace body 1 during operation can be reduced, the energy utilization rate can be improved, and the cost can be saved.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat insulation device for a heating furnace in a petroleum refining chemical industry, comprising a heating furnace body (1), characterized in that: The outer wall of the heating furnace body (1) is provided with four protective layers, the four protective layers are connected via plug-in components, the outer walls of the four protective layers are provided with two outer shells (11), and the front sides of the two outer shells (11) are connected via two locking components.

2. The heat insulation device for a heating furnace in a petroleum refining chemical industry according to claim 1, characterized in that: The protective layer comprises a flame retardant layer (10) located on the outer wall of the heating furnace body (1); the outer wall of the flame retardant layer (10) is provided with a heat insulation layer (9); the outer wall of the heat insulation layer (9) is provided with a waterproof layer (8); the outer wall of the waterproof layer (8) is provided with a heat insulation layer (9); and the outer wall of the heat insulation layer (9) is provided on the inner wall of the outer shell (11).

3. The heat insulation device for a heating furnace in a petroleum refining chemical industry according to claim 2 is characterized in that: The plug-in assembly comprises a plurality of slots (12) located at the middle ends of both sides of the protective layer (6), the heat insulation layer (9) and the flame retardant layer (10); a plug-in shaft (7) is provided on the side close to the two protective layers (6); a plurality of plug-in blocks (13) are fixedly connected to the outer wall of the plug-in shaft (7); and the plug-in blocks (13) are arranged inside the slots (12).

4. The heat insulation device for a heating furnace in a petroleum refining chemical industry according to claim 1, characterized in that: The locking assembly comprises a locking shaft (3) located at the front side of the outer shell (11) on the left side and a locking block (2) located at the front side of the outer shell (11) on the right side, and the right end of the outer shell (11) is arranged at one end of the locking block (2).

5. The heat insulation device for a heating furnace in a petroleum refining chemical industry according to claim 4, characterized in that: A pressing plate (5) is slidably connected to the middle end of the locking shaft (3), and the left side of the pressing plate (5) is arranged on the right side of the locking block (2).

6. The heat insulation device for a heating furnace in a petroleum refining chemical industry according to claim 5, characterized in that: The outer wall of the lock shaft (3) is sleeved with a spring (4), one end of the spring (4) is fixedly connected to the right end of the lock shaft (3), and the other end of the spring (4) is fixedly connected to the right side of the pressing plate (5).

7. The heat insulation device for a heating furnace in a petroleum refining chemical industry according to claim 1, characterized in that: The rear sides of the two outer shells (11) are rotatably connected.

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