CN215570434U

CN215570434U - Preheating device for sintering ignition furnace

Info

Publication number: CN215570434U
Application number: CN202121030834.9U
Authority: CN
Inventors: 王兴文
Original assignee: WUHU SANFENG ENERGY SAVING EQUIPMENT CO Ltd
Current assignee: WUHU SANFENG ENERGY SAVING EQUIPMENT CO Ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-01-18
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a preheating device for a sintering ignition furnace, belonging to the technical field of sintering ignition furnaces, wherein a valve is fixedly arranged in the middle of a fresh air pipeline, an equal-diameter tee joint is fixedly welded at the bottom of the fresh air pipeline, branch pipes are respectively welded at two sides of the equal-diameter tee joint, a preheater is fixedly arranged in the middle of each of the two branch pipes, the inner walls of the two branch pipes are respectively provided with a pipeline inner wall, a heat insulation plate is fixedly sleeved on the surface of the pipeline inner wall, an outer protection layer is fixedly sleeved on the surface of the heat insulation plate, a plurality of flow guide plates are respectively fixedly arranged in the inner cavities of the two branch pipes, the preheating device for the sintering ignition furnace heats air in the fresh air pipeline, adopts the equal-diameter tee joint to split the air flow, and then respectively preheats the air, so that combustible gas is fully mixed and completely combusted, the combustion temperature is improved, and the fuel consumption is reduced, the heat preservation can effectually keep warm, and the outer jacket can effectual protection overall structure, simple structure, convenient to use.

Description

Preheating device for sintering ignition furnace

Technical Field

The utility model belongs to the technical field of sintering ignition furnaces, and particularly relates to a preheating device for a sintering ignition furnace.

Background

In the sintering field, the ignition furnace is used as a core device on a sintering process production line, the ignition effect of the ignition furnace has great influence on the quality of sintered ores, and the ignition furnace is in a very critical position on the whole sintering process.

At present, in a sintering process, fuel gas can be fully combusted only when reaching a certain temperature, and if the temperature is not enough, the fuel gas can be liquefied to influence the full combustion, so that the fuel consumption is increased, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

In view of some situations occurring in the existing sintering process, the utility model provides a preheating device for a sintering ignition furnace, which is provided for reducing fuel consumption by heating and then shunting air in a fresh air pipeline and then respectively preheating the air by a preheater to fully mix and completely burn combustible gas and increase the combustion temperature.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions: the utility model provides a preheating device for sintering ignition furnace, includes fresh air pipeline, valve, constant diameter tee bend, branch pipe, pre-heater, pipeline inner wall, heated board, outer jacket and guide plate, its characterized in that: the utility model discloses a fresh air pipeline, including fresh air pipeline, pipeline inner wall, heated board, thermal insulation board, the equal fixed mounting in middle part of branch pipe has the valve, the fixed welding in bottom of fresh air pipeline has the constant diameter tee bend, the branch pipe has been welded respectively to the both sides of constant diameter tee bend, two the equal fixed mounting in middle part of branch pipe has the pre-heater, and the inside of two branch pipes all is provided with the pipeline inner wall, the fixed cover in surface of pipeline inner wall has connect the heated board, the fixed cover in surface of heated board has connect the outer jacket, two the equal fixed mounting in inner chamber of branch pipe has a plurality of guide plates.

Preferably, the top of the fresh air pipeline is provided with an air inlet.

Preferably, the bottom of each of the two branch pipes is provided with a heat outlet, and the heat outlets are fixedly connected with the sintering ignition furnace.

Preferably, two branch pipes are symmetrically arranged.

Preferably, a plurality of flow guide holes are formed on the surfaces of the plurality of flow guide plates in a penetrating manner.

Compared with the prior art, this kind of preheating device for sintering ignition furnace heats through the air to fresh air pipeline inside, adopts the constant diameter tee bend to shunt, and the re-heater preheats respectively through the preheater, makes combustible gas intensive mixing and complete combustion, improves combustion temperature to reduce fuel consumption, the heat preservation can effectually keep warm, and the outer jacket can effectual protection overall structure, simple structure, convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic sectional view of a manifold according to the present invention;

FIG. 3 is a schematic structural view of the inner cavity of the branch pipe of the present invention.

In the figure: 100 fresh air pipelines, 110 air inlets, 200 valves, 300 equal-diameter tee joints, 400 branch pipes, 410 heat outlets, 500 preheaters, 600 pipeline inner walls, 700 heat insulation plates, 800 outer protecting layers and 900 guide plates.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a preheating device for a sintering ignition furnace, which heats air in a fresh air pipeline, adopts an equal-diameter tee joint for shunting, and then preheats the air respectively through a preheater to ensure that combustible gas is fully mixed and completely combusted, thereby improving the combustion temperature, reducing the fuel consumption, effectively preserving the heat of a heat preservation layer, effectively protecting the whole structure of an outer protection layer, having simple structure and convenient use, and referring to the figures 1-3, wherein the preheating device comprises a fresh air pipeline 100, a valve 200, an equal-diameter tee joint 300, a branch pipe 400, a preheater 500, a pipeline inner wall 600, a heat preservation plate 700, an outer protection layer 800 and a guide plate 900;

referring to fig. 1-3 again, specifically, a valve 200 is fixedly installed in the middle of the fresh air pipeline 100, an equal-diameter tee 300 is fixedly welded at the bottom of the fresh air pipeline 100, branch pipes 400 are respectively welded at two sides of the equal-diameter tee 300, preheaters 500 are fixedly installed in the middle of the two branch pipes 400, pipeline inner walls 600 are arranged inside the two branch pipes 400, a heat insulation plate 700 is fixedly sleeved on the surface of the pipeline inner wall 600, an outer protective layer 800 is fixedly sleeved on the surface of the heat insulation plate 700, and a plurality of guide plates 900 are fixedly installed in the inner cavities of the two branch pipes 400;

referring to fig. 1 to 3 again, specifically, the top of the fresh air duct 100 is provided with an air inlet 110, the bottoms of the two branch pipes 400 are both provided with heat outlets 410, the heat outlets 410 are fixedly connected with the sintering ignition furnace, the two branch pipes 400 are symmetrically arranged, and a plurality of flow guide holes are formed through the surfaces of the plurality of flow guide plates 900.

When specifically using, fresh air pipeline 100 begins to get into the air from air intake 110, opens valve 200, and the air shunts through equal-diameter tee bend 300, gets into the inside of two branch pipes 400 respectively, preheats through two pre-heaters 500 respectively again, from heat export 410 transfer heat, makes the combustible gas intensive mixing and the complete combustion of sintering ignition furnace, improves combustion temperature to reduce fuel consumption, heat preservation 700 can effectually keep warm, and outer jacket 800 can effectual protection overall structure.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a preheating device for sintering ignition furnace, includes fresh air pipeline (100), valve (200), constant diameter tee bend (300), branch pipe (400), pre-heater (500), pipeline inner wall (600), heated board (700), outer jacket (800) and guide plate (900), its characterized in that: the utility model discloses a fresh air pipeline, including fresh air pipeline (100), the middle part fixed mounting of fresh air pipeline (100) has valve (200), the fixed welding in bottom of fresh air pipeline (100) has equal footpath tee bend (300), branch pipe (400), two have been welded respectively to the both sides of equal footpath tee bend (300) the equal fixed mounting in middle part of branch pipe (400) has pre-heater (500), two the inside of branch pipe (400) all is provided with pipeline inner wall (600), heated board (700) have been cup jointed to the fixed surface of pipeline inner wall (600), outer jacket (800) have been cup jointed to the fixed surface of heated board (700), two the equal fixed mounting in inner chamber of branch pipe (400) has a plurality of guide plates (900).

2. The preheating device for a sintering ignition furnace as set forth in claim 1, wherein: an air inlet (110) is formed in the top of the fresh air pipeline (100).

3. The preheating device for a sintering ignition furnace as set forth in claim 1, wherein: the bottom of each of the two branch pipes (400) is provided with a heat outlet (410), and the heat outlets (410) are fixedly connected with the sintering ignition furnace.

4. The preheating device for a sintering ignition furnace as set forth in claim 1, wherein: the two branch pipes (400) are symmetrically arranged.

5. The preheating device for a sintering ignition furnace as set forth in claim 1, wherein: the surfaces of the guide plates (900) are provided with a plurality of guide holes in a penetrating manner.