Thermal insulation protection device for hot air pipeline of pelletizing plant

Abstract

The utility model relates to the technical field of pipeline heat preservation, in particular to a pellet plant hot air pipeline heat preservation protection device which comprises a protection pipe and a heat preservation assembly, the heat preservation assembly is arranged in the protection pipe and comprises two supporting rings, and the two supporting rings are fixedly connected in the protection pipe and are symmetrically distributed. The front face of the supporting ring is fixedly connected with a first sealing ring, the back face of the supporting ring is fixedly connected with a second sealing ring, and the outer side of the second sealing ring is matched with the outer side of the first sealing ring. According to the hot air pipeline heat preservation and protection device for the pelletizing plant, by installing the heat preservation assembly, when a worker uses a conveying pipe to conduct hot air conveying work, heat dissipated by the conveying pipe can be limited in the conveying pipe through an installed aluminum foil heat insulation layer, and the aluminum foil heat insulation layer is used in cooperation with a heat preservation layer; the influence of external air on the heat of the transmission pipe can be prevented, so that the loss of thermal resources can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline heat preservation, in particular to a heat preservation and protection device for hot air pipelines in a pelletizing plant. Background Art

[0002] The pelletizing plant ring cooler is one of the main equipment in the process of producing pellets by the rotary kiln pelletizing method. The pelletizing plant ring cooler will generate hot air when working. By recycling the hot air, it can be used to quickly grind the raw coal and dry it in the coal making system. It can also be used to quickly grind the raw coal and dry it in the coal making system.

[0003] However, winters in the north are relatively cold. When hot air is transmitted outdoors through pipes, the cold air around the pipes will have a certain impact on the heat energy of the pipes, resulting in a waste of heat energy resources. Utility Model Content

[0004] The utility model aims to provide a heat preservation and protection device for hot air pipelines in a pelletizing plant, so as to solve the problem in the above background technology that cold air will have a certain impact on the heat energy of the pipeline, thus causing waste of resources. To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thermal insulation protection device for a hot air pipeline in a pelletizing plant, comprising a protection tube and a thermal insulation component, wherein the thermal insulation component is arranged inside the protection tube, and the thermal insulation component comprises two support rings, which are fixedly connected inside the protection tube and are symmetrically distributed, a sealing ring 1 is fixedly connected to the front of the support ring, a sealing ring 2 is fixedly connected to the back of the support ring, the inner side of the sealing ring 2 is matched with the outer side of the sealing ring 1, an aluminum foil insulation layer is fixedly connected to the middle of the support ring, and the side surface of the aluminum foil insulation layer is fixedly connected to the insulation layer. By installing the thermal insulation component, when the staff uses the transmission tube to transmit the hot air, the heat emitted by the transmission tube can be limited to the inside of the transmission tube through the installed aluminum foil insulation layer, and the aluminum foil insulation layer can prevent the external air from affecting the heat of the transmission tube by using it in conjunction with the insulation layer, thereby effectively reducing the loss of thermal resources.

[0005] Further preferably, a transmission tube is fixedly connected to the interior of the aluminum foil insulation layer, the side surface of the transmission tube is fixedly connected to the interior of the support ring, a groove is provided inside the protective tube, a slide groove is provided inside the groove, and a protection component is provided inside the protective tube to seal the connection of the protective tube to prevent the loss of thermal resources.

[0006] Further preferably, the protection component includes a support rod, the side surface of the support rod is slidingly connected to the inside of the groove, the internal sliding connection of the slide groove is a limiting block, the middle part of the limiting block is fixedly connected to one side of the support rod, the side surface of the support rod is sleeved with a spring, and the support rod slides in coordination with the limiting block and the slide groove to limit the spring and prevent the spring from being offset after long-term use.

[0007] Further preferably, one side of the spring is fixedly connected to the inside of the protective tube, and the other side of the spring and the support rod is fixedly connected with an arc plate, and the outer side of the arc plate is matched with the side surface of the thermal insulation layer. Through the elastic force of the spring, the spring can push the arc plate to limit and fix the thermal insulation layer and the aluminum foil insulation layer, which can effectively prevent the thermal insulation layer and the aluminum foil insulation layer from being deformed due to thermal expansion and contraction.

[0008] Further preferably, two fixing rings are fixedly connected to the side surface of the protection tube and are symmetrically distributed, a through hole one is opened on the outer side of the fixing ring, a through hole two is opened on the bottom of the protection tube, and a sponge pad is fixedly connected inside the through hole two to absorb water droplets generated by water vapor, thereby improving the practicality of the device.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] In the utility model, by installing a heat preservation component, when the staff uses the transmission pipe to transmit hot air, the heat emitted by the transmission pipe can be limited to the inside of the transmission pipe through the installed aluminum foil insulation layer, and the aluminum foil insulation layer can prevent external air from affecting the heat of the transmission pipe by using it in conjunction with the heat preservation layer, thereby effectively reducing the loss of thermal resources.

[0011] In the utility model, by installing a protection component, after the device is used for a long time, through the elastic force of the spring, the support rod, the limit block and the slide groove cooperate to slide, so that the spring can push the arc plate to limit and fix the thermal insulation layer and the aluminum foil insulation layer, which can effectively prevent the thermal insulation layer and the aluminum foil insulation layer from being deformed due to thermal expansion and contraction, thereby increasing the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 4 For this utility model Figure 3 Schematic diagram of the structure at a in the middle;

[0016] Figure 5 For this utility model Figure 3 Schematic diagram of the structure at point b.

[0017] In the figure: 1. protection tube; 2. insulation component; 201. support ring; 202. sealing ring one; 203. sealing ring two; 204. aluminum foil insulation layer; 205. insulation layer; 3. transmission tube; 4. groove; 5. slide groove; 6. protection component; 601. support rod; 602. limit block; 603. spring; 604. arc plate; 7. fixing ring; 8. through hole one; 9. through hole two; 10. sponge pad. DETAILED DESCRIPTION

[0018] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 5 The utility model provides a technical solution: a heat preservation and protection device for a hot air duct in a pelletizing plant, comprising a protection tube 1 and a heat preservation component 2, the heat preservation component 2 is arranged inside the protection tube 1, the heat preservation component 2 comprises two support rings 201, the two support rings 201 are fixedly connected to the inside of the protection tube 1 and are symmetrically distributed, a sealing ring 1 202 is fixedly connected to the front of the support ring 201, a sealing ring 203 is fixedly connected to the back of the support ring 201, the inner side of the sealing ring 203 is matched with the outer side of the sealing ring 1 202, an aluminum foil heat insulation layer 204 is fixedly connected to the middle part of the support ring 201, and a heat preservation layer 205 is fixedly connected to the side surface of the aluminum foil heat insulation layer 204.

[0020] In this embodiment, Figure 1 , Figure 2 , Figure 4 , Figure 5As shown, the interior of the aluminum foil insulation layer 204 is fixedly connected with a transmission tube 3, the side surface of the transmission tube 3 is fixedly connected with the interior of the support ring 201, a groove 4 is provided inside the protection tube 1, a slide groove 5 is provided inside the groove 4, a protection component 6 is arranged inside the protection tube 1, and the protection component 6 includes a support rod 601, the side surface of the support rod 601 is slidably connected with the interior of the groove 4, the internal sliding connection of the slide groove 5 is a limit block 602, the middle part of the limit block 602 is fixedly connected with one side of the support rod 601, and a spring 603 is sleeved on the side surface of the support rod 601, through the elastic force of the spring 603 and through the sliding cooperation of the support rod 601, the limit block 602 and the slide groove 5, the spring 603 can fix the insulation layer 205 by pushing the arc plate 604.

[0021] In this embodiment, Figure 1 , Figure 2 , Figure 4 , Figure 5 As shown, one side of the spring 603 is fixedly connected to the inside of the protection tube 1, and the other side of the spring 603 and the support rod 601 is fixedly connected with an arc plate 604, the outer side of the arc plate 604 is adapted to the side surface of the insulation layer 205, and the side surface of the protection tube 1 is fixedly connected with two fixing rings 7 and is symmetrically distributed, a through hole 1 8 is opened on the outer side of the fixing ring 7, and a through hole 2 9 is opened at the bottom of the protection tube 1, and a sponge pad 10 is fixedly connected inside the through hole 2 9. Before using the device, the staff can fix the fixing ring 7 through the through hole 1 8 with bolts, so that the protection tube 1 can be sleeved on the outside of the transmission tube 3 for protection. When water droplets are generated inside the protection tube 1 due to water vapor, the water droplets can be absorbed by the sponge pad 10 inside the through hole 2 9 and then discharged to the outside of the protection tube 1.

[0022] The use method and advantages of the utility model: When the pellet plant hot air pipeline insulation protection device is used, the working process is as follows:

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, before using the device, the staff can fix the fixing ring 7 through the through hole 1 8 with bolts, so that the protection tube 1 can be sleeved on the outside of the transmission tube 3 for protection, and the sealing ring 1 202 and the sealing ring 2 203 can be clamped to prevent the loss of hot air inside the transmission tube 3. When the staff uses the transmission tube 3 to transmit hot air, the heat emitted by the transmission tube 3 can be limited to the inside of the transmission tube 3 through the installed aluminum foil insulation layer 204, and the aluminum foil insulation layer 204 can be used in conjunction with the thermal insulation layer 205 to prevent external air from affecting the heat of the transmission tube 3 and reduce the loss of resources. Through the elastic force of the spring 603 and the sliding cooperation of the support rod 601, the limit block 602 and the slide groove 5, the spring 603 can push the arc plate 604 to fix the thermal insulation layer 205. When water droplets are generated inside the protection tube 1 due to water vapor, the water droplets can be absorbed by the sponge pad 10 inside the through hole 2 9 and then discharged to the outside of the protection tube 1.

[0024] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A heat preservation and protection device for a hot air pipeline of a pelletizing plant, comprising a protection pipe (1) and a heat preservation component (2), characterized in that: The thermal insulation component (2) is arranged inside the protective tube (1), and the thermal insulation component (2) comprises two support rings (201), the two support rings (201) are fixedly connected inside the protective tube (1) and are symmetrically distributed, the front side of the support ring (201) is fixedly connected to a sealing ring 1 (202), the back side of the support ring (201) is fixedly connected to a sealing ring 2 (203), the inner side of the sealing ring 2 (203) is matched with the outer side of the sealing ring 1 (202), the middle part of the support ring (201) is fixedly connected to an aluminum foil thermal insulation layer (204), and the side surface of the aluminum foil thermal insulation layer (204) is fixedly connected to a thermal insulation layer (205).

2. The pelletizing plant hot air pipeline insulation protection device according to claim 1 is characterized by: A transmission tube (3) is fixedly connected to the interior of the aluminum foil heat insulation layer (204), a side surface of the transmission tube (3) is fixedly connected to the interior of the support ring (201), a groove (4) is provided inside the protection tube (1), a slide groove (5) is provided inside the groove (4), and a protection component (6) is provided inside the protection tube (1).

3. The pelletizing plant hot air pipeline insulation protection device according to claim 2 is characterized in that: The protection assembly (6) comprises a support rod (601), the side surface of the support rod (601) being slidably connected to the inside of the groove (4), the inside of the slide groove (5) being slidably connected to a limit block (602), the middle portion of the limit block (602) being fixedly connected to one side of the support rod (601), and the side surface of the support rod (601) being sleeved with a spring (603).

4. The pelletizing plant hot air pipeline insulation protection device according to claim 3 is characterized by: One side of the spring (603) is fixedly connected to the inside of the protection tube (1), and the other side of the spring (603) and the support rod (601) is fixedly connected to an arc-shaped plate (604), and the outer side of the arc-shaped plate (604) is adapted to the side surface of the insulation layer (205).

5. The pelletizing plant hot air pipeline thermal insulation protection device according to claim 1 is characterized by: Two fixing rings (7) are fixedly connected to the side surface of the protection tube (1) and are symmetrically distributed. A through hole (8) is provided on the outside of the fixing ring (7). A through hole (9) is provided on the bottom of the protection tube (1). A sponge pad (10) is fixedly connected to the inside of the through hole (9).

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