CN220187331U

CN220187331U - Steel band drying device after finishing

Info

Publication number: CN220187331U
Application number: CN202321636946.8U
Authority: CN
Inventors: 王传博; 李宁
Original assignee: SHANDONG HUIJIN COLOR STEEL CO Ltd
Current assignee: SHANDONG HUIJIN COLOR STEEL CO Ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-15
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a finished steel belt drying device which comprises a drying box, wherein an air inlet of the drying box is communicated with a fan, an inlet of the fan is communicated with a heat exchanger, and the heat exchanger is communicated with a heat dissipation pipeline of an annealing furnace; the middle part in the up-down direction of the drying box is provided with a steel belt channel, the upper side and the lower side of the steel belt channel are respectively provided with a plurality of drying pipes, and the air outlets of the drying pipes are arranged at an acute angle with the moving direction of the steel belt. The device can realize even and thorough drying, and saves the utilization of energy.

Description

Steel band drying device after finishing

Technical Field

The utility model relates to an auxiliary device of continuous metal plate production equipment, in particular to a finished steel belt drying device

Background

In the galvanization production line, after the steel belt is galvanized, the quality of the plate surface of the product is improved and the finish of the plate surface is changed through a finishing machine, and then passivation solution is coated for passivation treatment, so that rolling and packaging can be performed. After finishing, the passivation solution can be coated only by drying the water on the surface of the steel strip, otherwise, the passivation effect is deteriorated and even coating is omitted. The traditional drying mode has the following two defects:

firstly, natural gas is combusted to provide heat required by drying, so that the production cost is increased, and the requirements of energy conservation and emission reduction are not met;

secondly, the drying chamber only sets up a steam import, and the steel band is located the well below of drying chamber, because steam rises the cold air decline principle, and steam concentrates on the drying chamber top, causes a waste to the export sets up in the drying chamber top, and the export is empty to be discharged, and the steel band is dried inadequately evenly when passing the drying chamber, causes the loss of heat.

Disclosure of Invention

Aiming at the problems, the utility model discloses a finished steel belt drying device which can realize uniform and thorough drying and save energy.

The utility model provides a steel band drying device after finishing, includes the stoving case, the air intake intercommunication of stoving case has the fan, the import intercommunication of fan has the heat exchanger, the heat exchanger communicates with the radiating pipe of annealing stove;

the middle part in the up-down direction of the drying box is provided with a steel belt channel, the upper side and the lower side of the steel belt channel are respectively provided with a plurality of drying pipes, and the air outlets of the drying pipes are arranged at an acute angle with the moving direction of the steel belt.

Preferably, the plurality of drying pipes on each side are arranged in a straight shape along the moving direction of the steel belt.

Preferably, a vertical wind deflector is arranged between every two adjacent drying pipes on the same side of the steel belt channel.

Preferably, the drying pipe is rotatably connected with the drying box, and a temporary positioning mechanism is arranged between the drying pipe and the drying box.

Preferably, an air outlet is arranged below the steel belt channel, and the air inlet and the air outlet are positioned on different side walls of the drying box.

The utility model has the beneficial effects that:

1. the device heats the air by the gas heat exchanger with the heat in the smoke of the annealing furnace, and conveys the heated air to the fan behind the finishing machine through the conveying pipeline, and the air is blown to the steel belt by the fan to evaporate the water on the surface of the steel belt, so that the normal work of the production line is not influenced, and the device is more energy-saving and environment-friendly.

2. The air outlet of the drying pipe in the device is arranged at an acute angle with the moving direction of the steel belt, hot air flow directly acts on the surface of the steel belt, the drying area can be increased due to the arrangement of the acute angle, and the drying efficiency is improved.

3. The wind guard prolongs the residence time of the hot air in the drying box, so that the drying box is kept at a higher temperature, and the energy loss is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the drying tube and the jack screw;

in the figure: 1. the annealing furnace comprises an annealing furnace body, wherein the annealing furnace body comprises an annealing furnace, an annealing heat exchanger, a drying box, a steel belt, a drying pipe, a wind shield, a jacking screw, a nut and a nut, wherein the annealing furnace body comprises an annealing furnace, an annealing heat exchanger, a drying box, a drying pipe, an annealing furnace body, an annealing furnace, a drying heat exchanger, a drying box, an annealing furnace, a drying heat exchanger, an annealing furnace, a heat exchanger.

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.

In the description of the present utility model, it should be understood that the terms "inner", "outer", "left", "right" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, the utility model discloses a polished steel strip drying device, which is characterized in that a plurality of drying pipes 5 are arranged in a drying box 3, heat in smoke in an annealing furnace 1 is conveyed to a heat exchanger 2 through a pipeline, raw refrigerant air is heated by the heat exchanger and then blown into the drying box 3 by a fan, natural gas is combusted in the original process for drying the steel strip, energy is saved, waste heat in production is fully utilized, and hot gas is reduced.

The middle part in the upper and lower direction of the drying box is provided with a steel belt channel, the steel belt 4 passes through the channel from right to left, and the specific mechanism of the channel is the prior art in galvanized steel production, and the details are not repeated here. The upper side and the lower side of the steel belt channel are respectively provided with a bracket, each bracket is in a straight-line shape along the moving direction of the steel belt and is rotationally connected with a plurality of drying pipes 5, and a vertical wind shield 6 is arranged between every two adjacent drying pipes and used for slowing down the running speed of hot air in a drying box and preventing the hot air from thoroughly drying the steel belt and dissipating from an air outlet. The distance between the lower end of the wind shield and the steel belt is 3-5mm.

In order to prevent the thinner steel belt from being impacted and deformed by the airflow from the drying pipe, the axis of the air outlet of the drying pipe is arranged at an acute angle with the moving direction of the steel belt, and the specific numerical value is determined according to the actual situation on site. The axis of the drying pipe is not numerically installed but obliquely arranged when being arranged at an acute angle, so that the contact area between the air outlet of the drying pipe and the steel belt can be increased, and the drying efficiency is improved.

The upper end of the drying pipe is rotationally connected with the drying box, and a temporary positioning mechanism is arranged at the lower end of the drying pipe, and when the drying pipe is adjusted to a required angle according to actual needs, the position of the drying pipe is fixed through the temporary positioning mechanism. The rotation connection reference hinge or hinge structure here, temporary positioning mechanism can set up to set up tight screw 7 and nut 8 in the stoving case, and the other end of tight screw is supported in the side of stoving pipe 5, and the screw precesses or unscrews different length, realizes the support to different angles of stoving pipe, see specifically fig. 2.

An air outlet is arranged below the steel belt channel on the right side wall or the bottom plate of the drying box. The device sets up the air outlet below in the principle of hot air rising cold air decline, furthest's extension hot air's dwell time in the stoving incasement improves drying efficiency.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The steel belt drying device after finishing is characterized by comprising a drying box, wherein an air inlet of the drying box is communicated with a fan, an inlet of the fan is communicated with a heat exchanger, and the heat exchanger is communicated with a heat dissipation pipeline of an annealing furnace;

2. The finished steel strip drying apparatus of claim 1, wherein the plurality of drying tubes on each side are arranged in a straight line along the direction of movement of the steel strip.

3. A finished steel strip drying apparatus as claimed in claim 1 wherein a vertical wind deflector is provided between each adjacent two of the drying pipes on the same side of the steel strip path.

4. The finished steel strip drying apparatus of claim 1, wherein the drying tube is rotatably connected to the drying box, and a temporary positioning mechanism is provided between the drying tube and the drying box.

5. The finished steel strip drying apparatus of claim 1, wherein an air outlet is provided below the steel strip passage, the air inlet and the air outlet being located at different side walls of the drying box.