CN220398108U - Tunnel type continuous rapid drying equipment - Google Patents

Abstract

A tunnel type continuous rapid drying device comprises a tunnel heat-preserving room body, a drying system and a conveying mechanism; the tunnel heat-insulating house body comprises a plurality of drying areas, and two adjacent drying areas are communicated by a transition area; each drying area is provided with a drying system; the drying system comprises a hot air host system and a hot air circulation system; the hot air host system outputs hot air to the drying area, and the hot air circulating system stirs the hot air in the drying area; the conveying mechanism is arranged at the bottom of the tunnel heat-preserving room body and conveys products from the inlet of the tunnel heat-preserving room body to the outlet of the tunnel heat-preserving room body. The utility model solves the problems of low production efficiency, high product breakage rate, high production cost and the like caused by the fact that a drying area in a room drying system in the prior art can only store products in one form (namely products to be dried or dried products), and the dried products can be loaded only after being completely emptied in the drying process.

Description

Tunnel type continuous rapid drying equipment

Technical Field

The utility model relates to the technical field of ceramic blank drying equipment, in particular to tunnel type continuous rapid drying equipment.

Background

The drying of the ceramic green body refers to the process of removing moisture from the green body, the strength of the green body is improved after drying, the green body is favorable for carrying, kiln loading and firing, the moisture reduction can prevent waste products caused by the large amount of water discharge of the green body in the initial temperature rising of the firing, the excessive dried green body corners have a crisp phenomenon, the waste products are easy to generate in carrying, and meanwhile, the method is uneconomical.

The ceramic body rapid drying system in the prior art is a house type, and the operation process of the house type ceramic body rapid drying system is as follows: the product to be dried is fed into the drying system room by manpower or AGV (automatic guided vehicle), fixed at a specific position, and after loading, the door of each inlet and outlet of the drying system is closed, so that the tightness of the drying system is ensured, drying is started until the drying procedure is finished, the door of each inlet and outlet is opened after cooling, and then the dried product is pulled out to the next procedure by manpower or AGV (automatic guided vehicle).

Therefore, the room type ceramic body rapid drying system needs to carry products manually or by an AGV (automatic guided vehicle), and the dried products (ceramic body with water content of about 1%) and the products to be dried (ceramic body with water content of about 16%) cannot be stored in the same room type drying system at the same time, and the products to be dried can be loaded after the dried products are completely carried out, so that the room type ceramic body rapid drying system needs to consume a large amount of time to load and unload the dried products, and the production efficiency is affected. In addition, the water content of the product to be dried is 16%, the structure of the green body is softer, and the green body is easy to damage in the transportation process, so that the damage rate is increased in the loading process, and the production cost is indirectly increased.

Disclosure of Invention

In view of the above drawbacks, an object of the present utility model is to propose a tunnel-type continuous rapid drying apparatus into which the product to be dried can be continuously fed for drying.

To achieve the purpose, the utility model adopts the following technical scheme:

a tunnel type continuous rapid drying device comprises a tunnel heat-preserving room body, a drying system and a conveying mechanism;

the tunnel heat-insulating house body comprises a plurality of drying areas, and two adjacent drying areas are communicated through a transition area;

each drying area is provided with the drying system;

the drying system comprises a hot air host system and a hot air circulating system;

the hot air host system outputs hot air to the drying area, and the hot air circulation system stirs the hot air in the drying area;

the conveying mechanism is arranged at the bottom of the tunnel heat-preserving room body, and conveys products from the inlet of the tunnel heat-preserving room body to the outlet of the tunnel heat-preserving room body.

Further, the hot air host system comprises a first fan, a first return air pipe and a hot air output device;

the hot air input end of the first fan is communicated with the first return air pipe, and the hot air output end of the first fan is communicated with the hot air output device through a first ventilation pipe;

the first ventilation pipe, the first return air pipe and the first fan are all installed at the top of the tunnel heat-preserving room body, and the hot air output device is installed on the side wall of the tunnel heat-preserving room body.

Further, the number of the hot air output devices is multiple, and the multiple hot air output devices are arranged on two side walls of the tunnel heat-insulation room body in a staggered manner;

the hot air output device is trapezoid in shape, and air outlets of the hot air output device are uniformly distributed on the trapezoid bevel edges.

Further, the hot air circulation system comprises a hot air return device and a plurality of hot air circulation devices;

the hot air circulating device comprises a second fan, a second return air pipe and a hot air stirring device;

the hot air input end of the second fan is communicated with the second return air pipe, and the hot air output end of the second fan is connected with the hot air stirring device;

and the second air return pipes of the hot air circulation devices are communicated with the hot air return devices.

Further, the hot air stirring device is conical in shape, and air outlets of the hot air stirring device are uniformly distributed on two sides of the conical shape;

and the hot air stirring device rotates to stir the hot air in the drying area.

Further, a valve is arranged at the bottom of the hot air return device, and the valve adjusts the quantity of hot air input by the hot air circulation system.

Further, the second fan, the second return air pipe and the hot air return device are all arranged at the top of the tunnel heat-preserving room body;

the hot air stirring device is perpendicular to the top of the tunnel heat-insulating room body.

Further, the number of the conveying mechanisms is multiple, and the conveying mechanisms are arranged in parallel along the length direction of the tunnel heat-insulating room body;

a plurality of hot air circulation systems are arranged along the length direction of the tunnel heat-preserving room body to form a hot air circulation system group;

the hot air circulation systems in two adjacent hot air circulation system groups are arranged in a staggered manner.

Further, the number of the drying areas is four, and the four drying areas are sequentially distributed in the tunnel heat-insulating room body;

the power parameters of the hot air host system of each drying area are different, so that the four drying areas are divided into a low-temperature high-humidity area, a medium-temperature medium-humidity area, a temperature rising area and a high-temperature area along the conveying direction of the conveying mechanism.

The technical scheme provided by the utility model can comprise the following beneficial effects:

according to the utility model, the transition area is arranged between two adjacent drying areas, the drying system is independently arranged in each drying area, products can continuously enter each drying area for drying and then enter the transition area, and each drying area is not required to be separated by adopting a physical structure, so that the problems that the drying area in the room drying system in the prior art can only store products in one form (namely products to be dried or dried products) and can be loaded with the products to be dried after the dried products are completely emptied in the drying process are solved, and therefore, the production efficiency is reduced, the breakage rate of the products is increased, the production cost is increased and the like are solved.

Drawings

FIG. 1 is a top view of one embodiment of a tunnel continuous flash drying apparatus of the present utility model;

FIG. 2 is a front side view of the tunnel continuous flash drying apparatus shown in FIG. 1;

fig. 3 is a left side view of the tunnel continuous flash drying apparatus shown in fig. 1;

FIG. 4 is a side view of the hot air circulation system shown in FIG. 1;

FIG. 5 is a top view of the hot air circulation system shown in FIG. 4;

FIG. 6 is a side view of the hot air host system shown in FIG. 1;

FIG. 7 is a top view of the hot blast main system shown in FIG. 6;

wherein: 1-a tunnel heat-insulating house body, 11-a drying area, 111-a low-temperature high-humidity area, 112-a medium-temperature medium-humidity area, 113-a heating area, 114-a high-temperature area and 13-a cooling transition area; the device comprises a 2-drying system, a 21-hot air host system, a 211-first fan, a 212-first return air pipe, a 213-hot air output device, a 214-first ventilation pipe, a 22-hot air circulation system, a 221-hot air circulation device, a 2211-second fan, a 2212-second return air pipe, a 2213-hot air stirring device, a 222-hot air return air device and a 2221-valve; 3-conveying mechanism.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A tunnel type continuous rapid drying apparatus according to an embodiment of the present utility model is described below with reference to fig. 1 to 7, and includes a tunnel type heat insulation room body 1, a drying system 2, and a conveying mechanism 3; the tunnel heat-insulating house body 1 comprises a plurality of drying areas 11, and two adjacent drying areas 11 are communicated through a transition area; each drying zone 11 is provided with a drying system 2; the drying system 2 comprises a hot air host system 21 and a hot air circulation system 22; the hot air host system 21 outputs hot air to the drying area 11, and the hot air circulation system 22 agitates the hot air in the drying area 11; the conveying mechanism 3 is arranged at the bottom of the tunnel heat-preserving room body 1, and the conveying mechanism 3 conveys products from the inlet of the tunnel heat-preserving room body 1 to the outlet of the tunnel heat-preserving room body 1.

In the utility model, the product is placed on the conveying mechanism 3, the product uniformly passes through the drying area 11 and the transition area, the drying area 11 and the transition area are alternately arranged, the transition area is internally provided with no drying system 2, when the product passes through the transition area, the product can balance the heat absorbed in the last drying area 11, release part of free water and combined water, prepare for entering the next drying area 11, and improve the drying efficiency in the whole drying process and the qualification rate of the dried product. Specifically, the hot air in each drying area 11 is output again after heat exchange is absorbed by the hot air host system 21, and the hot air circulation system 22 stirs the hot air in the drying area 11, so that the hot air in the drying area 11 can uniformly pass through each product, and the optimal drying effect is achieved.

According to the utility model, the transition area is arranged between two adjacent drying areas 11, the drying system 2 is independently arranged in each drying area 11, products can continuously enter each drying area 11 for drying and then enter the transition area, and each drying area 11 is not required to be separated by adopting a physical structure, so that the problems that the production efficiency is reduced, the breakage rate of the products is increased, the production cost is increased and the like in the drying area 11 in the room drying system in the prior art are solved, and the products to be dried can be loaded only after the dried products are completely emptied in the drying process because the products (i.e. the products to be dried or the dried products) are only stored in the drying area 11.

Specifically, conveying mechanism 3 includes chain and motor, and motor drive chain transmission at uniform velocity for the product can be evenly at the interior conveying of tunnel insulation room, makes the time length of different products through every regional fixed, thereby the state that different products got into in the same region keeps unanimous, has improved the dry qualification rate of product.

Further, the hot air host system 21 includes a first fan 211, a first return air pipe 212 and a hot air output device 213; the hot air input end of the first fan 211 is communicated with the first return air pipe 212, and the hot air output end of the first fan 211 is communicated with the hot air output device 213 through the first ventilation pipe 214; the first ventilation pipe 214, the first return air pipe 212 and the first fan 211 are all arranged at the top of the tunnel heat-preserving room body 1, and the hot air output device 213 is arranged on the side wall of the tunnel heat-preserving room body 1.

The hot air is input into the first fan 211 from the first return air pipe 212, and the hot air is sent out by the hot air output device 213 after being absorbed by the first fan 211 for the temperature in the drying area 11 is improved, the uniformity of the temperature and humidity in the system is improved by the arrangement of the hot air host system 21, and the drying effect is improved.

Based on the principle that hot air is rising, the first return air pipe 212 is installed at the top of the tunnel heat-preserving room body 1, so that the hot air host system 21 can absorb hot air to perform heat exchange output, and meanwhile, the first ventilation pipe 214 is arranged at the top of the tunnel heat-preserving room body 1 to give way for conveying products in the drying area 11.

It should be noted that the number of the hot air output devices 213 is plural, and the plurality of hot air output devices 213 are arranged on two side walls of the tunnel thermal insulation room body 1 in a staggered manner; the hot air output device 213 is trapezoid in shape, and air outlets of the hot air output device 213 are uniformly distributed on trapezoid bevel edges. The plurality of hot air output devices 213 are arranged on the two side walls of the tunnel heat insulation room body 1 in a staggered manner, so that hot air can be widely dispersed in the drying area 11, and air outlet convection is smooth, and therefore, the hot air in the drying area 11 can uniformly dry each product. In addition, the hot air output device 213 is trapezoidal in shape, and is designed with equal pressure in the upper part and the lower part, so that the output hot air has equal wind speed, and the upper hot air and the lower hot air in the drying area 11 are uniform.

Further, the hot air circulation system 22 includes a hot air return device 222 and a plurality of hot air circulation devices 221; the hot air circulation device 221 includes a second fan 2211, a second return air pipe 2212 and a hot air stirring device 2213; the hot air input end of the second fan 2211 is communicated with a second return air pipe 2212, and the hot air output end of the second fan 2211 is connected with a hot air stirring device 2213; the second return air pipe 2212 of the plurality of hot air circulation devices 221 is communicated with the hot air return device 222. The second return air pipe 2212 absorbs hot air in the drying area 11, the hot air is input into the second fan 2211, the second fan 2211 absorbs the hot air and then is stirred and sent out by the hot air stirring device 2213, the effect of stirring the hot air is achieved, the hot air circulation system 22 improves the hot air circulation times in the system, the drying efficiency and quality of products are improved, the drying period of the products is shortened, the drying cost of the products is reduced, meanwhile, the energy consumption is reduced, and the environment protection is benefited. Specifically, the number of the hot air circulation devices 221 in the hot air circulation system 22 is multiple, and the second air return pipes 2212 are communicated through the hot air return devices 222, so that the hot air circulation devices 221 in the hot air circulation system 22 can be mutually communicated, the hot air circulation area is increased, and the hot air stirring efficiency is improved.

It should be noted that, in the present embodiment, the number of the hot air circulation devices 221 is two, that is, one hot air return device 222 is connected to two second return air pipes 2212, and the two hot air circulation devices 221 are located on the same horizontal line.

Specifically, the shape of the hot air stirring device 2213 is conical, and the equal pressure design of the upper part and the lower part ensures that the output hot air speed is equal, and the upper hot air and the lower hot air in the drying area 11 are uniform; the air outlets of the hot air stirring device 2213 are uniformly distributed on two sides of the cone shape, and the angles of the air outlet blades of the air outlets of the hot air stirring device 2213 are adjustable, and the angles of the air outlet blades of the hot air stirring device 2213 can be adjusted according to the drying requirements of different drying areas 11; the hot air stirring device 2213 rotates to stir the hot air in the drying area 11, and the hot air stirring device 2213 which continuously rotates at a constant speed sends the hot air out from the air outlet at a constant speed, so that the effect of stirring the hot air in the drying area 11 is achieved.

More specifically, the bottom of the hot air return device 222 is provided with a valve 2221, the valve 2221 adjusts the hot air volume input by the hot air circulation system 22, and the hot air volume input by the hot air circulation system 22 in the drying area 11 is controlled by adjusting the opening size of the valve 2221, so that the hot air volume output by the hot air stirring device 2213 of each hot air circulation device 221 is adjusted to meet the drying requirements of different drying areas 11. The hot air entering the hot air return device 222 is split and then enters the second fan 2211 through each second return air pipe 2212, and the hot air is stirred and sent out by the hot air stirring device 2213, so that the effect of stirring the hot air is achieved.

Further, the second fan 2211, the second air return pipe 2212 and the hot air return device 222 are all installed at the top of the tunnel heat insulation room body 1; the hot air stirring device 2213 is perpendicular to the top of the tunnel heat insulation room body 1.

Based on the principle that hot air is rising, install second return air pipe 2212 and hot-blast return air device 222 in the top of tunnel thermal insulation room body 1 for this hot-blast circulation device 221 can absorb the steam and carry out heat transfer output, set up second fan 2211 in the top of tunnel thermal insulation room body 1 simultaneously, for the transportation of the product in the drying zone 11 is yielded, in addition, hot-blast agitating unit 2213 perpendicular to tunnel thermal insulation room body 1 top's setting, make the hot-blast that hot-blast agitating unit 2213 sent can directly contact with the product in a large scale, drying efficiency has been improved.

In addition, in the present embodiment, the two hot air circulation devices 221 in the hot air circulation system 22 are on the same straight line, so that the two hot air stirring devices 2213 perpendicular to the tunnel thermal insulation room body 1 are also on the same straight line, so that products on two sides of the hot air circulation system 22 can be stirred at the same time, the hot air stirring area is increased, and the working efficiency is improved.

In order to further improve the drying efficiency of the tunnel type continuous rapid drying device, a plurality of conveying mechanisms 3 are arranged in a tunnel heat-preserving room, so that a plurality of products can enter the drying system 2 for drying at the same time. The conveying mechanisms 3 are arranged in parallel along the length direction of the tunnel heat-insulating room body 1; the plurality of hot air circulation systems 22 are arranged along the length direction of the tunnel heat-preserving room body 1 to form a group of hot air circulation system groups, and the hot air circulation systems 22 of the same group uniformly send out hot air so that products on two sides of the hot air circulation systems 22 can be dried; the hot air circulation systems 22 in the two adjacent hot air circulation system groups are arranged in a staggered manner relatively, so that the hot air stirring device 2213 can smoothly discharge and convect, and hot air can uniformly pass through each product.

It should be noted that, in this embodiment, the number of the conveying mechanisms 3 is nine, and the conveying mechanisms are equally divided into three groups, and a group of hot air circulation system groups is disposed between two adjacent groups of conveying mechanisms 3, and correspondingly, two groups of hot air circulation system groups are provided.

Specifically, the number of the drying areas 11 is four, and the four drying areas 11 are sequentially distributed in the tunnel heat-insulating room body 1; the power parameters of the hot air host system 21 of each drying area 11 are different, so that the four drying areas 11 are divided into a low-temperature high-humidity area 111, a medium-temperature medium-humidity area 112, a temperature rising area 113 and a high-temperature area 114 along the conveying direction of the conveying mechanism 3, and products can continuously enter each drying area 11 through the conveying mechanism 3 to be dried to different degrees, thereby reducing the production cost and improving the product qualification rate.

It should be noted that, the next area of the high temperature area 114 is the cooling transition area 13, the product passing through the high temperature area 114 is a dried product meeting the drying requirement, and then the dried product enters the cooling transition area 13 to be cooled and then output, so that the product is prevented from being damaged due to the overlarge temperature difference between the inside and the outside of the tunnel heat-preserving room body 1 after passing through the tunnel heat-preserving room body 1, and the qualification rate of the product is improved.

Other constructions, etc. and operation of a tunnel continuous flash dryer apparatus according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A tunnel type continuous rapid drying device, characterized in that: comprises a tunnel heat-preserving room body, a drying system and a conveying mechanism;

the tunnel heat-insulating house body comprises a plurality of drying areas, and two adjacent drying areas are communicated through a transition area;

each drying area is provided with the drying system;

the drying system comprises a hot air host system and a hot air circulating system;

the hot air host system outputs hot air to the drying area, and the hot air circulation system stirs the hot air in the drying area;

the conveying mechanism is arranged at the bottom of the tunnel heat-preserving room body, and conveys products from the inlet of the tunnel heat-preserving room body to the outlet of the tunnel heat-preserving room body.

2. Tunnel continuous flash drying apparatus according to claim 1, characterized in that: the hot air host system comprises a first fan, a first return air pipe and a hot air output device;

the hot air input end of the first fan is communicated with the first return air pipe, and the hot air output end of the first fan is communicated with the hot air output device through a first ventilation pipe;

the first ventilation pipe, the first return air pipe and the first fan are all installed at the top of the tunnel heat-preserving room body, and the hot air output device is installed on the side wall of the tunnel heat-preserving room body.

3. Tunnel continuous flash drying apparatus according to claim 2, characterized in that: the number of the hot air output devices is multiple, and the multiple hot air output devices are arranged on two side walls of the tunnel heat-insulating room body in a staggered manner;

the hot air output device is trapezoid in shape, and air outlets of the hot air output device are uniformly distributed on the trapezoid bevel edges.

4. Tunnel continuous flash drying apparatus according to claim 1, characterized in that: the hot air circulation system comprises a hot air return device and a plurality of hot air circulation devices;

the hot air circulating device comprises a second fan, a second return air pipe and a hot air stirring device;

the hot air input end of the second fan is communicated with the second return air pipe, and the hot air output end of the second fan is connected with the hot air stirring device;

and the second air return pipes of the hot air circulation devices are communicated with the hot air return devices.

5. The tunnel continuous flash drying apparatus of claim 4, wherein: the hot air stirring device is conical in shape, and air outlets of the hot air stirring device are uniformly distributed on two sides of the conical shape;

and the hot air stirring device rotates to stir the hot air in the drying area.

6. The tunnel continuous flash drying apparatus according to claim 5, wherein: the bottom of the hot air return device is provided with a valve, and the valve adjusts the quantity of hot air input by the hot air circulation system.

7. The tunnel continuous flash drying apparatus of claim 6, wherein: the second fan, the second return air pipe and the hot air return device are all arranged at the top of the tunnel heat-preserving room body;

the hot air stirring device is perpendicular to the top of the tunnel heat-insulating room body.

8. The tunnel continuous flash drying apparatus according to claim 7, wherein: the conveying mechanisms are multiple in number and are arranged in parallel along the length direction of the tunnel heat-insulating room body;

a plurality of hot air circulation systems are arranged along the length direction of the tunnel heat-preserving room body to form a hot air circulation system group;

the hot air circulation systems in two adjacent hot air circulation system groups are arranged in a staggered manner.

9. Tunnel continuous flash drying apparatus according to claim 1, characterized in that: the number of the drying areas is four, and the four drying areas are sequentially distributed in the tunnel heat-insulating room body;

the power parameters of the hot air host system of each drying area are different, so that the four drying areas are divided into a low-temperature high-humidity area, a medium-temperature medium-humidity area, a temperature rising area and a high-temperature area along the conveying direction of the conveying mechanism.