Novel drying kiln hot-blast stove device

Abstract

The utility model relates to a novel drying kiln hot-blast stove device, which belongs to the field of hot-blast stoves and comprises a hot-blast stove shell and an external air sleeve fixedly connected to the outer side of the hot-blast stove shell, and a strengthening component for strengthening the stability of the hot-blast stove shell is arranged on the inner side of the hot-blast stove shell. The refractory brick layer and the double-Y-shaped supporting piece are fixedly connected to the inner side of the hot blast stove shell, the surface of the refractory brick layer is coated with the castable, the V-shaped nail anchoring pieces are fixedly connected to the surface of the double-Y-shaped supporting piece, and a moving assembly used for carrying the hot blast stove is arranged at the bottom of the external air sleeve. According to the novel drying kiln hot-blast stove device, the double-Y-shaped supporting pieces are arranged on the inner side of the hot-blast stove shell, all-directional supporting from the bottom to the top is achieved, the structural stability of the hot-blast stove shell is effectively enhanced, potential influences of high temperature and pressure on the hot-blast stove shell can be resisted through the design, and the risks of deformation and damage of the shell are remarkably reduced; and the service life of the hot-blast stove is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a novel drying kiln hot blast stove device belongs to hot blast stove field. BACKGROUND

[0002] Nonferrous smelting waste residue contains about 35% water, in the combined process of oxygen-enriched blowing smelting + fuming recovery of valuable metals + flue gas acid making, too high moisture can lead to increased energy consumption of melting furnace, reduced processing efficiency, and great flue gas acid pollution, etc., affecting the overall operation of the system, so the waste residue needs to be preliminarily dried to about 15% moisture by a drying kiln before entering the melting furnace to meet the process operation requirements. The drying kiln uses natural gas as fuel, and the high-temperature combustion gas obtained after the fuel is burned is further contacted with air through a hot blast stove. The basic structure of the hot blast stove includes a combustion chamber, a hot blast stove body, a chimney, a flue, a blower, an ignition system, a control system, etc. The working principle of the hot blast stove is to generate high-temperature hot air by burning fuel, heat the cold air through the grid, and then deliver it to the required space, mix to form high-temperature air, and improve the temperature of the surrounding environment. Contact heating and evaporation of water from the dried material to obtain dry products.

[0003] The hot blast stove body is built with refractory bricks and coated with castable material, which can reduce heat loss, improve thermal efficiency, effectively protect the stove body, prevent oxidation and high-temperature erosion, ensure safe operation of the hot blast stove, and prolong the service life of the stove body. In actual production process, the hot blast stove body is affected by high temperature for a long time, heat is accumulated, refractory material is ablated and deformed, and the refractory material at the top of the hot blast stove collapses due to its own gravity, causing the hot blast stove shell to be damaged, which seriously affects safety production, production continuity and comprehensive energy consumption. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the shortcomings of the prior art, the utility model provides a novel drying kiln hot blast stove device, which has the advantages of ensuring stable use of the hot blast stove, and solves the problem that the hot blast stove is easily damaged by long-term high temperature.

[0006] (II) Technical scheme

[0007] To achieve the above purpose of ensuring stable use of the hot blast stove, the utility model provides the following technical scheme: a novel drying kiln hot blast stove device, comprising a hot blast stove shell and an external sleeve fixedly connected to the outer side of the hot blast stove shell, the inner side of the hot blast stove shell is provided with a reinforcing assembly for reinforcing its stability;

[0008] The reinforcing assembly comprises a refractory brick layer fixedly connected to the inner side of the hot blast furnace shell, a double-Y-shaped support, castable coated on the surface of the refractory brick layer, and a plurality of V-shaped nail anchoring members fixedly connected to the surface of the double-Y-shaped support.

[0009] The bottom of the external air sleeve is provided with a moving assembly for hot blast furnace carrying.

[0010] Further, the bottom of the double-Y-shaped support is welded to the inner bottom wall of the hot blast furnace shell, and the two Y-shaped parts of the double-Y-shaped support are welded to the inner top wall of the hot blast furnace shell.

[0011] Further, a refractory material is arranged between adjacent two V-shaped nail anchoring members, and a plurality of refractory materials collectively form a composite refractory layer.

[0012] Further, the bottom of the external air sleeve is provided with an air injection head, the top of the external air sleeve is provided with an air exhaust head, the bottom end of the air injection head is fixedly connected with a wind conveying pipe, and the bottom end of the wind conveying pipe is fixedly connected with a fan.

[0013] Further, the moving assembly comprises four supporting rods fixedly connected to the bottom of the external air sleeve, a bottom plate fixedly connected between the bottom ends of the four supporting rods, and moving wheels fixedly connected to the bottom of the bottom plate at four corners respectively.

[0014] Further, the bottom end of the air injection head is fixedly connected with the air outlet end of the fan, and the fan is fixedly connected to the upper surface of the bottom plate through bolts.

[0015] Further, the moving wheels are universal wheels, and the moving wheels are provided with stoppers.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the novel hot blast furnace device for drying kiln has the following beneficial effects:

[0018] The novel hot blast furnace device for drying kiln realizes omnibearing support from the bottom to the top by arranging the double-Y-shaped support on the inner side of the hot blast furnace shell, effectively enhances the structural stability of the hot blast furnace shell, can resist the potential influence of high temperature and pressure on the hot blast furnace shell, significantly reduces the risk of shell deformation and damage, thereby prolongs the service life of the hot blast furnace and improves the overall safety, in addition, the heat dissipation system composed of the external air sleeve and the fan timely absorbs and removes the heat gathered in the hot blast furnace shell by taking airflow as the heat exchange medium, and effectively reduces the risk of local heat gathering in the furnace body. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is the perspective view of the support rod and the bottom plate in the utility model structure;

[0021] Figure 3 It is the front view of the utility model;

[0022] Figure 4 It is the back view of the utility model.

[0023] In the drawing: 1, hot blast furnace shell; 2, external wind cover; 201, air injection head; 202, exhaust head; 3, refractory brick layer; 4, double Y-shaped support; 5, castable; 6, V-shaped nail anchor; 7, composite refractory layer; 8, air conveying pipe; 9, fan; 10, support rod; 11, bottom plate; 12, moving wheel; 1201, stopper. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a kind of new drying kiln hot blast furnace device, including hot blast furnace shell 1 and the external wind cover 2 of fixed connection on the outside of hot blast furnace shell 1, the inside of hot blast furnace shell 1 is equipped with the reinforcing assembly for strengthening its stability.

[0026] As Figure 1 Indicated, reinforcing assembly includes refractory brick layer 3 and double Y-shaped support 4 of fixed connection on the inside of hot blast furnace shell 1, and the castable 5 coated on the surface of refractory brick layer 3 and the V-shaped nail anchor 6 of fixed connection on the surface of double Y-shaped support 4.

[0027] The bottom of external wind cover 2 is equipped with the moving assembly for hot blast furnace handling.

[0028] It needs to be explained that the bottom of double Y-shaped support 4 is welded to the inner bottom wall of hot blast furnace shell 1, and the two Y-shaped components of double Y-shaped support 4 are welded to the inner top wall of hot blast furnace shell 1, and this design enhances the structural stability of hot blast furnace shell 1, by supporting from bottom to top, effectively prevent the deformation or damage of shell due to high temperature and pressure, improve the overall durability and safety of hot blast furnace.

[0029] The fireproof material is arranged between two adjacent V-shaped nail anchors 6, and a plurality of fireproof materials collectively form a composite fireproof layer 7, and the formation of the composite fireproof layer 7 enhances the high-temperature resistance of the double-Y-shaped support 4, effectively insulates the direct heat radiation of the high-temperature hot air on the double-Y-shaped support 4, prolongs the service life of the double-Y-shaped support 4, and simultaneously, the fixing effect of the V-shaped nail anchor 6 ensures the stability and reliability of the fireproof material.

[0030] The bottom of the external air sleeve 2 is provided with an air injection head 201, and the top of the external air sleeve 2 is provided with an air exhaust head 202. The bottom end of the air injection head 201 is fixedly connected with a wind conveying pipe 8, and the bottom end of the wind conveying pipe 8 is fixedly connected with a fan 9. This design realizes the absorption of the heat collected in the hot blast furnace shell 1 by flowing air, reduces the risk of ablation of the refractory material caused by local heat accumulation in the hot blast furnace body, effectively prolongs the operation cycle of the hot blast furnace, and reduces the maintenance cost.

[0031] The moving assembly includes four supporting rods 10 fixedly connected to the bottom of the external air sleeve 2, a bottom plate 11 fixedly connected between the bottom ends of the four supporting rods 10, and moving wheels 12 fixedly connected to the bottom of the four corners of the bottom plate 11, respectively. The moving wheels 12 are universal wheels, and the moving wheels 12 are provided with stoppers 1201. The design of the moving assembly makes the hot blast furnace device have good mobility and flexibility, which is convenient for carrying and installing at different work sites. The arrangement of the stoppers 1201 ensures the stability and safety of the hot blast furnace during work, preventing accidental movement.

[0032] The front and back of the hot blast furnace shell 1 are provided with furnace covers, the back of the fan 9 is provided with a control panel, the bottom end of the air injection head 201 is fixedly connected with the air outlet end of the fan 9, and the fan 9 is fixedly connected to the upper surface of the bottom plate 11 by bolts.

[0033] The working principle of the above embodiment is as follows:

[0034] The double-Y-shaped support 4 on the inner side of the hot blast furnace shell 1 is welded to the inner bottom wall of the hot blast furnace shell 1, and the two Y-shaped components are welded to the inner top wall of the hot blast furnace shell 1, thereby forming a full-range support structure from the bottom to the top of the hot blast furnace shell 1, effectively resisting the potential effects of high temperature and pressure on the hot blast furnace shell 1, avoiding the risk of deformation and damage of the shell, and thereby improving the overall structural stability of the hot blast furnace;

[0035] The fireproof material filled between the adjacent V-shaped nail anchors 6 collectively forms a composite fireproof layer 7. The composite fireproof layer 7 not only enhances the high-temperature resistance of the double-Y-shaped support 4, but also effectively insulates the direct heat radiation of the high-temperature hot air, prolongs the service life of the double-Y-shaped support 4, and simultaneously, the fixing effect of the V-shaped nail anchor 6 ensures the stability of the fireproof material, preventing safety risks caused by material falling off and loosening;

[0036] The fan 9 is started to generate air flow, which is delivered to the inside of the outer air sleeve 2 through the air delivery pipe 8 and the air injection head 201, so that the heat collected by the hot blast furnace shell 1 is absorbed and taken away by the flowing air as the heat exchange medium, and is discharged through the air exhaust head 202.

[0037] The electrical components appearing in the text are all electrically connected with the main controller and the power supply. The main controller can be a conventional known device such as a computer for control, and the existing disclosed power connection technology is not described herein.

[0038] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0039] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel hot air furnace device for drying kilns, comprising a hot air furnace shell (1) and an external air sleeve (2) fixedly connected to the outside of the hot air furnace shell (1), characterized in that: The inner side of the hot air furnace shell (1) is provided with a reinforcing component to enhance its stability; The reinforcing components include a refractory brick layer (3) and a double Y-shaped support (4) fixedly connected to the inner side of the hot blast stove shell (1), a castable (5) coated on the surface of the refractory brick layer (3), and a number of V-shaped nail anchors (6) fixedly connected to the surface of the double Y-shaped support (4). The bottom of the external air jacket (2) is provided with a moving component for transporting the hot blast stove.

2. The novel drying kiln hot air furnace device according to claim 1, characterized in that: The bottom of the double Y-shaped support (4) is welded to the inner bottom wall of the hot blast furnace shell (1), and both Y-shaped components of the double Y-shaped support (4) are welded to the inner top wall of the hot blast furnace shell (1).

3. The novel drying kiln hot air furnace device according to claim 1, characterized in that: A refractory material is provided between two adjacent V-shaped nail anchors (6), and several refractory materials together form a composite refractory layer (7).

4. The novel drying kiln hot air furnace device according to claim 1, characterized in that: The bottom of the external air sleeve (2) is provided with an air inlet head (201), the top of the external air sleeve (2) is provided with an air outlet head (202), the bottom end of the air inlet head (201) is fixedly connected with an air supply pipe (8), and the bottom end of the air supply pipe (8) is fixedly connected with a fan (9).

5. The novel drying kiln hot air furnace device according to claim 1, characterized in that: The moving component includes four support rods (10) fixedly connected to the bottom of the outer fan sleeve (2), a base plate (11) fixedly connected between the bottom ends of the four support rods (10), and moving wheels (12) fixedly connected to the four corners of the bottom of the base plate (11).

6. The novel drying kiln hot air furnace device according to claim 4, characterized in that: The bottom end of the air inlet head (201) is fixedly connected to the air outlet end of the fan (9), and the fan (9) is fixedly connected to the upper surface of the base plate (11) by bolts.

7. The novel drying kiln hot air furnace device according to claim 5, characterized in that: The movable wheel (12) is a universal wheel, and the movable wheel (12) is provided with a stop (1201).

Images