CN219490061U

CN219490061U - Heat absorption type hot air pipeline

Info

Publication number: CN219490061U
Application number: CN202222818471.6U
Authority: CN
Inventors: 殷国忠; 万志贇
Original assignee: Jiangsu Xinguan Brake Technology Co ltd
Current assignee: Jiangsu Xinguan Brake Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-08-08
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a heat absorption type hot air pipeline which comprises a hot air furnace, wherein an air outlet of the hot air furnace is provided with a hot air pipeline body, a middle pipeline and a protection pipeline, the middle pipeline is arranged between the hot air pipeline body and the protection pipeline, a heat absorption layer is arranged between the hot air pipeline body and the middle pipeline, and a heat insulation layer is arranged between the middle pipeline and the protection pipeline. This heat absorption type hot air duct is through setting up heat-absorbing layer, insulating layer and protection pipeline etc. the heat-absorbing layer of setting up can adsorb the heat of hot air duct body to can store the heat of heat-absorbing layer under the effect of insulating layer, can make the slow cooling of hot air duct body, thereby can protect the hot air duct body, thereby can avoid the temperature to change the in-process by a wide margin can appear the brick joint increase that hot air duct built and then develop into the phenomenon that refractory material drops, this pipeline simple structure, the practicality is strong, facilitate promotion.

Description

Heat absorption type hot air pipeline

Technical Field

The utility model relates to the technical field of hot air pipelines, in particular to a heat absorption type hot air pipeline.

Background

The hot air pipeline has the functions of conveying and distributing hot air from the hot air furnace to all tuyere devices of the blast furnace, leading the hot air (1000 ℃ -1280 ℃) from the hot air furnace to a hot air main pipe through hot air branch pipes connected with each hot air furnace, leading the hot air to enter a hot air enclosure pipe which is arranged outside the blast furnace body in a ring manner through an air mixing chamber or a vertical pipe, and leading the hot air in the hot air enclosure pipe to be distributed to the air supply branch pipe devices around the blast furnace to enter the tuyere of the blast furnace.

The blast furnace hot air pipeline is used for conveying hot air heated by the hot air furnace for blast furnace smelting, and as the refractory material of the blast furnace hot air system pipeline is built by refractory bricks, brick joints are increased in the process of greatly changing the temperature, so that the phenomenon that the refractory material falls off is developed, and the hot air pipeline is scrapped.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a heat absorption type hot air pipeline so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat absorption formula hot air duct, includes the hot-blast furnace, the air outlet of hot-blast furnace is provided with hot air duct body and middle pipeline and protection pipeline, middle pipeline sets up between hot air duct body and protection pipeline, be provided with the heat-absorbing layer between hot air duct body and the middle pipeline, be provided with the insulating layer between middle pipeline and the protection pipeline.

As a preferable technical scheme of the utility model, the input end of the hot blast stove is respectively provided with a gas pipe and an air inlet pipe, and an air door is arranged on the outer ring of one side of the air inlet pipe.

As the preferable technical scheme of the utility model, the inner wall of the protective pipeline and the outer wall of the middle pipeline are coated with the composite silicate heat-insulating paint.

As a preferable technical scheme of the utility model, the hot air pipeline body is made of a high-temperature-resistant material, and the middle pipeline and the protection pipeline are both made of a high-temperature-resistant heat-insulating material, such as silicide heat-insulating cotton.

As the preferable technical scheme of the utility model, the hot air pipeline body is built by adopting refractory bricks, and a hand wheel is arranged on the top surface of the air door.

Compared with the prior art, the utility model provides a heat absorption type hot air pipeline, which has the following beneficial effects:

this heat absorption type hot air duct through setting up heat-absorbing layer, insulating layer and protection pipeline etc. the heat-absorbing layer of setting can adsorb the heat of hot air duct body to can store the heat of heat-absorbing layer under the effect of insulating layer, can make the slow cooling of hot air duct body, thereby can protect the hot air duct body, thereby can avoid the temperature to change the in-process by a wide margin can appear the brick joint increase that the hot air duct built and then develop into the phenomenon that refractory material drops.

Drawings

FIG. 1 is a schematic view of a heat sink structure according to the present utility model;

FIG. 2 is a schematic view of the heat insulating layer structure of the present utility model;

FIG. 3 is a schematic view of the appearance structure of the present utility model.

Reference numerals: 1. hot blast stove; 2. a gas pipe; 3. an air inlet pipe; 4. a damper; 5. a heat absorbing layer; 6. a hot air duct body; 7. an intermediate pipe; 8. a protective conduit; 9. and a heat insulation layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, in the present embodiment: the utility model provides a heat absorption type hot air duct, including hot-blast furnace 1, hot-blast furnace 1's air outlet is provided with hot air duct body 6 and middle pipeline 7 and protection pipeline 8, middle pipeline 7 sets up between hot air duct body 6 and protection pipeline 8, be provided with heat-absorbing layer 5 between hot air duct body 6 and the middle pipeline 7, be provided with insulating layer 9 between middle pipeline 7 and the protection pipeline 8, through setting up heat-absorbing layer 5, insulating layer 9 and protection pipeline 8 etc. through the heat-absorbing layer 5 that sets up, can adsorb the heat of hot air duct body 6, and can store the heat of heat-absorbing layer 5 under the effect of insulating layer 9, can make the slow cooling of hot air duct body 6, thereby can protect hot air duct body 6, thereby can avoid the temperature to change the in-process by a wide margin can appear the brick joint increase that hot air duct body 6 built and then develop into the phenomenon that refractory material drops.

Referring to fig. 1, 2 and 3, in this embodiment, the input end of the hot blast stove 1 is respectively provided with a gas pipe 2 and an air inlet pipe 3, an air door 4 is disposed on an outer ring of one side of the air inlet pipe 3, a heat absorbing layer 5 is made of high temperature resistant and heat absorbing materials, such as silicon carbide and silicon nitride, the inner wall of a protection pipeline 8 and the outer wall of an intermediate pipeline 7 are coated with a composite silicate heat insulation coating, the hot blast pipeline body 6 is made of high temperature resistant materials, the intermediate pipeline 7 and the protection pipeline 8 are made of high temperature resistant and heat insulation materials, such as silicide heat insulation cotton, a hand wheel is disposed on the top surface of the air door 4, the air door 4 can be regulated by the hand wheel disposed on the air door 4, and the air quantity of the air inlet pipe 3 can be conveniently regulated.

The working principle and the using flow of the utility model are as follows: this ecological stove heat absorber, firstly, can let in the gas pipe 2 with the gas, afterwards accessible air door 4 adjusts the intake of air-supply line 3, can make hot-blast furnace 1 burn this moment, and the hot-blast will gush into hot-blast pipeline body 6, because the heat-absorbing layer 5 of setting, can adsorb the heat of hot-blast pipeline body 6, and can store the heat of heat-absorbing layer 5 under the effect of insulating layer 9, can make the slow cooling of hot-blast pipeline body 6, thereby can protect hot-blast pipeline body 6, thereby can avoid the temperature to change the phenomenon that the brick joint increase that the in-process will appear hot-blast pipeline body 6 built and then develop into refractory material and drop by a wide margin.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a heat absorption formula hot air pipe way, includes hot-blast furnace (1), its characterized in that: the air outlet of hot-blast furnace (1) is provided with hot-blast pipeline body (6) and middle pipeline (7) and protection pipeline (8), middle pipeline (7) set up between hot-blast pipeline body (6) and protection pipeline (8), be provided with heat-absorbing layer (5) between hot-blast pipeline body (6) and middle pipeline (7), be provided with insulating layer (9) between middle pipeline (7) and protection pipeline (8).

2. The heat absorbing hot air duct of claim 1, wherein: the air inlet pipe (3) is arranged at the input end of the hot blast stove (1), the air inlet pipe (2) and the air inlet pipe (3) are respectively arranged, and an air door (4) is arranged on the outer ring of one side of the air inlet pipe (3).

3. The heat absorbing hot air duct of claim 1, wherein: the inner wall of the protection pipeline (8) and the outer wall of the middle pipeline (7) are coated with composite silicate heat-insulating paint.

4. The heat absorbing hot air duct of claim 1, wherein: the hot air pipeline body (6) is made of high-temperature resistant materials, and the middle pipeline (7) and the protection pipeline (8) are made of high-temperature resistant heat insulation materials, such as silicide heat insulation cotton.

5. The heat absorbing hot air duct of claim 2, wherein: the hot air pipeline body (6) is built by adopting refractory bricks, and a hand wheel is arranged on the top surface of the air door (4).