CN220270038U

CN220270038U - Tunnel drying kiln

Info

Publication number: CN220270038U
Application number: CN202321889673.8U
Authority: CN
Inventors: 周会峰
Original assignee: Zhengzhou Huansheng Refractory Material Co ltd
Current assignee: Zhengzhou Huansheng Refractory Material Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2023-12-29
Anticipated expiration: 2033-07-18

Abstract

The utility model belongs to the field of refractory material production, and discloses a tunnel drying kiln, which comprises a main body device for continuous heating and drying, and further comprises a feeding device arranged in the main body device and used for continuously conveying refractory materials, wherein a plurality of gas circulation devices for circulating blowing and drying are uniformly distributed on the main body device, and the gas circulation devices are arranged in a row along the main body device; the feeding device comprises a fixing frame, two conveying rollers are symmetrically arranged in the fixing frame, a conveying belt is arranged between the conveying rollers, the conveying belt is of a metal net shape, and a motor is arranged in front of the fixing frame. According to the tunnel drying kiln, through the arrangement of hot air circulation drying, heat loss is reduced, and energy sources are saved; by setting the drying flowing air flow, the evaporation of water is accelerated, and the drying speed is accelerated; through the arrangement of the metal mesh type conveying belt, the comprehensiveness of drying of the refractory material is guaranteed.

Description

Tunnel drying kiln

Technical Field

The utility model belongs to the field of refractory material production, and particularly relates to a tunnel drying kiln.

Background

The tunnel kiln is a kiln similar to a tunnel and built by refractory materials, heat-insulating materials and building materials and is provided with a carrier such as a kiln car and the like, and is modern continuous burning thermal equipment. The tunnel kiln is widely used for roasting production of refractory materials and ceramic products, and also has application in metallurgical industries such as abrasive materials and the like.

The Chinese patent with the comparative publication number of CN210862122U discloses a tunnel drying kiln, which comprises: kiln body, drying structure and flip structure, drying structure installs the inside at the kiln body, drying structure includes shower nozzle, intake pipe, electric heating box, air inlet fan, electric heat lead screw, blast pipe and air discharge fan, a plurality of intake pipes are installed side by side to the inner chamber one side of the kiln body, the shower nozzle is installed in the bottom side of intake pipe, and through setting up side by side from top to bottom through using intake pipe and blast pipe, guarantees that the gas circulation is smooth, is difficult for accumulating steam in the kiln body, and the stoving temperature and the environment of everywhere are the same, when the stoving, guarantees that the adobe quality after the stoving is the same, when drying, through arc stock guide upset cooperation, can realize the adobe to openly stoving when first conveyer belt, to the back stoving when the adobe is on first conveyer belt, can realize the whole stoving to the adobe.

However, the above patent directly discharges the hot air containing water, and a large amount of heat is discharged, so that energy waste is caused, and a new device is designed.

Disclosure of Invention

The utility model aims to provide a tunnel drying kiln for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the tunnel drying kiln comprises a main body device for continuous heating and drying, and further comprises a feeding device arranged in the main body device and used for continuously conveying refractory materials, wherein a plurality of air circulation devices for circulating air blowing and drying are uniformly distributed on the main body device, and the air circulation devices are arranged in a row along the main body device; the feeding device comprises a fixing frame, two conveying rollers are symmetrically arranged in the fixing frame, a conveying belt is arranged between the conveying rollers, the conveying belt is of a metal net shape, and a motor is arranged in front of the fixing frame; the air circulation device comprises an air delivery pipe, an air outlet cover is arranged at the top of the air delivery pipe, a cross flow fan and a drying oven are arranged in the middle of the air delivery pipe, and an air collecting cover is arranged at the bottom of the air delivery pipe.

Further: the main body device comprises a tunnel box, and a plurality of electric heating plates are symmetrically arranged on the front and back of the inner wall of the tunnel box.

Further: the outside of the tunnel box is made of Q235 steel, and the inside of the tunnel box is made of heat insulation materials.

Further: the motor is connected with the fixing frame through bolts, and the motor is connected with the conveying roller through splines.

Further: the gas collecting hood is horn-shaped, and the gas outlet hood and the gas collecting hood are respectively riveted with the gas pipe.

Further: the drying box is connected with the gas pipe in a plug-in mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of hot air circulation drying, heat loss is reduced, and energy sources are saved;

2. by setting the drying flowing air flow, the evaporation of water is accelerated, and the drying speed is accelerated;

3. through the arrangement of the metal mesh type conveying belt, the comprehensiveness of drying of the refractory material is guaranteed.

Drawings

FIG. 1 is a schematic view of a tunnel kiln according to the present utility model;

FIG. 2 is a schematic view of a main body device of a tunnel kiln according to the present utility model;

FIG. 3 is a schematic view of a feeding device of a tunnel kiln according to the present utility model;

fig. 4 is a schematic view of an air circulation device of a tunnel kiln according to the present utility model.

In the reference numerals: 1. a main body device; 101. a tunnel box; 102. an electric heating plate; 2. a feeding device; 201. a fixing frame; 202. a conveying roller; 203. a conveyor belt; 204. a motor; 3. a gas circulation device; 301. a gas pipe; 302. a crossflow blower; 303. a drying box; 304. an air outlet cover; 305. and a gas collecting hood.

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. 1-4, a tunnel drying kiln comprises a main body device 1 for continuous heating and drying, and further comprises a feeding device 2 arranged in the main body device 1 and used for continuously conveying refractory materials, wherein five groups of air circulation devices 3 for circulating air blowing and drying are uniformly distributed on the main body device 1, and the air circulation devices 3 are arranged in a row along the main body device 1.

In this embodiment: the main body device 1 comprises a tunnel box 101, wherein Q235 steel materials are adopted outside the tunnel box 101, heat insulation materials are adopted inside the tunnel box 101, a plurality of electric heating plates 102 are symmetrically arranged on the front and back of the inner wall of the tunnel box 101, refractory materials move along the tunnel box 101, the electric heating plates 102 convert electric energy into heat energy, and moisture in the refractory materials is evaporated;

in this embodiment: the feeding device 2 comprises a fixed frame 201, two conveying rollers 202 are symmetrically arranged in the fixed frame 201, a conveying belt 203 is arranged between the conveying rollers 202, the conveying belt 203 is in a metal net shape, a motor 204 is arranged in front of the fixed frame 201, the motor 204 is connected with the fixed frame 201 through bolts, the motor 204 is in spline connection with the conveying rollers 202, refractory materials are placed on the conveying belt 203, the fixed frame 201 supports the motor 204 to drive the conveying rollers 202 to rotate, and the conveying belt 203 is pushed to drive the refractory materials to continuously enter the tunnel box 101;

in this embodiment: the air circulation device 3 comprises an air pipe 301, an air outlet cover 304 is arranged at the top of the air pipe 301, a cross flow fan 302 and a drying box 303 are arranged in the middle of the air pipe 301, the drying box 303 is connected with the air pipe 301 in a plugging mode, an air collecting cover 305 is arranged at the bottom of the air pipe 301, the air collecting cover 305 is in a horn shape, the air outlet cover 304 and the air collecting cover 305 are respectively riveted with the air pipe 301, the cross flow fan 302 pushes air flow to flow along the air pipe 301, so that water-containing hot air enters from the air collecting cover 305, and after being filtered by the drying box 303, the water-containing hot air is blown to refractory materials from the air outlet cover 304, the peripheral air flow of the refractory materials is accelerated, and the water evaporation is accelerated.

Working principle: the refractory material is placed on the conveying belt 203, the fixing frame 201 supports the motor 204 to drive the conveying roller 202 to rotate, the conveying belt 203 is pushed to drive the refractory material to continuously enter the tunnel box 101 and move along the tunnel box 101, the electric heating plate 102 converts electric energy into heat energy to evaporate water in the refractory material, meanwhile, the cross flow fan 302 pushes air flow to flow along the air conveying pipe 301, so that hot water-containing air enters from the air collecting cover 305, and after being filtered by the drying box 303, the hot water-containing air is blown to the refractory material from the air outlet cover 304, so that peripheral air flow of the refractory material is accelerated, and water evaporation is accelerated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Tunnel kiln comprising a body device (1) for continuous heat drying, characterized in that: the device also comprises a feeding device (2) which is arranged in the main body device (1) and is used for continuously conveying refractory materials, wherein a plurality of air circulation devices (3) which are used for circularly blowing and drying are uniformly distributed on the main body device (1), and the air circulation devices (3) are arranged in a row along the main body device (1);

the feeding device (2) comprises a fixed frame (201), two conveying rollers (202) are symmetrically arranged in the fixed frame (201), a conveying belt (203) is arranged between the conveying rollers (202), the conveying belt (203) is of a metal net shape, and a motor (204) is arranged in front of the fixed frame (201);

the air circulation device (3) comprises an air pipe (301), an air outlet cover (304) is arranged at the top of the air pipe (301), a cross flow fan (302) and a drying box (303) are arranged in the middle of the air pipe (301), and an air collecting cover (305) is arranged at the bottom of the air pipe (301).

2. A tunnel kiln according to claim 1, characterized in that: the main body device (1) comprises a tunnel box (101), and a plurality of electric heating plates (102) are symmetrically arranged on the front and back of the inner wall of the tunnel box (101).

3. A tunnel kiln according to claim 2, characterized in that: the tunnel box (101) is made of Q235 steel material at the outside and heat insulation material at the inside.

4. A tunnel kiln according to claim 1, characterized in that: the motor (204) is connected with the fixing frame (201) through bolts, and the motor (204) is connected with the conveying roller (202) through splines.

5. A tunnel kiln according to claim 1, characterized in that: the gas collecting hood (305) is in a horn shape, and the gas outlet hood (304) and the gas collecting hood (305) are respectively riveted with the gas pipe (301).

6. A tunnel kiln according to claim 1, characterized in that: the drying box (303) is connected with the air pipe (301) in a plug-in mode.