CN216845596U

CN216845596U - Cold and hot air mixing automatic regulating device of mesh belt type dryer

Info

Publication number: CN216845596U
Application number: CN202220394955.XU
Authority: CN
Inventors: 陈俊年; 项聪; 何攀; 熊丽; 谯延海; 任强; 蒋玮
Original assignee: Sichuan Nanchong Huajing Zhinong Agricultural Equipment Manufacturing Co ltd
Current assignee: Sichuan Nanchong Huajing Zhinong Agricultural Equipment Manufacturing Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-28
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to a drying-machine equipment field specifically relates to a simple structure, reduce manual operation's hysteresis quality and inaccurate a cold and hot air mixing automatic regulating apparatus of guipure formula drying-machine. The novel air heating system comprises a PLC (programmable logic controller) arranged outside a heat recovery chamber, wherein a fresh air valve and a dehumidifying fan are arranged at the top of the heat recovery chamber, a temperature and humidity sensor is arranged in the heat recovery chamber, and the fresh air valve, the dehumidifying fan and the temperature and humidity sensor are all connected with the PLC. The utility model discloses a cold and hot air mixing automatic regulating apparatus of mesh belt formula drying-machine, after in the forced draught fan sends hot gas to the heat recovery room, carry out the heat transfer with air source heat pump, pass to the PLC controller with humiture data through temperature and humidity sensor this moment, the switching condition of PLC controller automatic control fresh air valve and hydrofuge fan, realized the automatic control's of cold and hot air mixing's in the heat recovery room effect, reduce manual operation's hysteresis quality and inaccuracy, economic benefits has been improved.

Description

Cold and hot air mixing automatic regulating device of mesh belt type dryer

Technical Field

The utility model relates to a drying-machine equipment field specifically relates to a simple structure, reduce manual operation's hysteresis quality and inaccurate a cold and hot air mixing automatic regulating apparatus of guipure formula drying-machine.

Background

The waste heat of the air source heat pump of the mesh belt type dryer is recovered, and the high-temperature and high-humidity gas forcibly discharged from the drying room is absorbed by the air source heat pump of the mesh belt type dryer to heat. The drying process of the multi-layer mesh belt type dryer is very important for the mixing requirement of cold air and hot air, and directly influences the product quality and the yield. The opening and closing of the fresh air valve and the dehumidifying fan can adjust mixed air, manual control is needed, the labor intensity of workers is high, and the labor cost is increased. It is therefore desirable to design a device to address the above problems.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a simple structure, reduce manual operation's hysteresis quality and inaccurate a cold and hot air mixing automatic regulating apparatus of guipure formula drying-machine.

The utility model discloses a following technical scheme realizes: a mesh belt type dryer cold and hot air mixing automatic regulating device comprises an outer shell, wherein a heating chamber is arranged in the outer shell, an air duct and a drying chamber are arranged above the heating chamber, a plurality of material layers are arranged in the drying chamber, a heat recovery chamber is arranged at the top of the outer shell, an air source heat pump and a forced exhaust fan are arranged in the heat recovery chamber, and the forced exhaust fan is communicated with the outer shell; the heat recovery device is characterized by further comprising a PLC (programmable logic controller) arranged outside the heat recovery chamber, a fresh air valve and a dehumidifying fan are arranged at the top of the heat recovery chamber, a temperature and humidity sensor is arranged in the heat recovery chamber, and the fresh air valve, the dehumidifying fan and the temperature and humidity sensor are all connected with the PLC.

For realizing better the utility model discloses, the dehumidification fan setting in heat recovery room top middle part position, temperature and humidity sensor set up the below at this dehumidification fan.

For better realizing the utility model discloses, fresh air valve be two, and be located the both sides of hydrofuge fan respectively.

For realizing better the utility model discloses, the material layer be the four layers, be provided with the same spacing layer of distance and material layer thickness between two adjacent material layers.

In order to better realize the utility model, the material layer comprises two mounting plates which are oppositely arranged, and two ends of the mounting plates are respectively connected with two sides of the inner wall of the drying chamber; and a material bearing net is arranged between the two mounting plates.

In order to better realize the utility model, the material bearing net is U-shaped, and two side edges of the U-shaped are respectively connected with the mounting plate through bolts.

For realizing better the utility model discloses, still including the clamp plate, the length and the high adaptation of the length of this clamp plate and height and mounting panel, the bolt wear in proper order behind clamp plate and the material bearing net to be connected with the mounting panel.

Compared with the prior art, the utility model, following advantage and beneficial effect have at least: the utility model discloses a cold and hot air mixing automatic regulating apparatus of mesh belt formula drying-machine, through the PLC controller, the fresh air valve, the cooperation of hydrofuge fan and temperature and humidity sensor etc, after in the forced draught fan sends hot gas to the heat recovery room, carry out the heat transfer with air source heat pump, pass to the PLC controller with humiture data through temperature and humidity sensor this moment, the on-off condition of PLC controller automatic control fresh air valve and hydrofuge fan, the effect to the automated control of cold and hot air mixing in the heat recovery room has been realized, reduce manual operation's hysteresis quality and inaccuracy, economic benefits has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a cold and hot air mixing automatic adjusting device of a mesh belt type dryer of the present invention;

FIG. 2 is a schematic structural view of a material carrying net of the automatic adjusting device for mixing cold air and hot air of a mesh belt dryer of the present invention;

in the figure, 1-outer casing, 2-heating chamber, 3-wind channel, 4-multilayer material layer, 5-spacing layer, 6-wind chamber, 7-forced air exhaust fan, 8-air source heat pump, 9-temperature and humidity sensor, 10-moisture exhaust fan, 11-fresh air valve, 12-PLC controller, 13-mounting plate, 14-material bearing net, 15-pressing plate, 16-bolt, 17-bending part.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists independently, and A and B exist independently; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.

It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may not be shown in unnecessary detail to avoid obscuring the examples.

As shown in fig. 1 and 2, the automatic adjusting device for mixing cold air and hot air of a mesh-belt dryer of the present invention comprises an outer shell 1, a heating chamber 2 is arranged inside the outer shell 1, an air duct 3 and a drying chamber are arranged above the heating chamber 2, a multi-layer material layer 4 is arranged in the drying chamber, a heat recovery chamber is arranged at the top of the outer shell 1, an air source heat pump 8 and a forced exhaust fan 7 are arranged in the heat recovery chamber, and the forced exhaust fan 7 is communicated with the outer shell 1; still including setting up the PLC controller 12 outside the heat recovery room top be provided with fresh air valve 11 and hydrofuge fan 10, be provided with temperature and humidity sensor 9 in the heat recovery room, fresh air valve 11, hydrofuge fan 10 and temperature and humidity sensor 9 all be connected with PLC controller 12. The utility model discloses a cold and hot air mixing automatic regulating apparatus of mesh belt formula drying-machine, through PLC controller 12, fresh air valve 11, the cooperation of hydrofuge fan 10 and temperature and humidity sensor 9 etc, after strong exhaust fan 7 sent hot gas to the heat recovery room, carry out the heat transfer with air source heat pump 8, pass through temperature and humidity sensor 9 this moment with humiture data to PLC controller 12, PLC controller 12 automatic control fresh air valve 11 and the switching condition of hydrofuge fan 10, the effect to the automated control of cold and hot air mixing in the heat recovery room has been realized, reduce manual operation's hysteresis quality and inaccuracy, economic benefits has been improved. An air chamber 6 is formed between the top of the drying chamber and the top of the outer shell 1 and between the two side parts of the drying chamber and the side wall of the outer shell 1, and the air chamber 6 is communicated with the air duct 3, so that hot air circulation is facilitated.

Preferably, the dehumidifying fan 10 is arranged at the middle position of the top of the heat recovery chamber, and the temperature and humidity sensor 9 is arranged below the dehumidifying fan 10. After the design like this, can conveniently detect the temperature and the humidity of the air that gets into the heat recovery room, make things convenient for PLC controller 12 accurate control. The signal line of the temperature and humidity sensor 9 can be arranged along the inner wall of the casing of the moisture exhaust fan 10.

Preferably, the number of the fresh air valves 11 is two, and the two fresh air valves are respectively located at two sides of the dehumidifying fan 10.

Preferably, the material layers 4 are four layers, the spacing layers 5 with the same distance as the thickness of the material layers 4 are arranged between every two adjacent material layers, and the spacing layers 5 are empty, so that the material is prevented from being too thick, and the effect of facilitating hot air circulation is achieved.

Preferably, the material layer 4 comprises two opposite mounting plates 13, and two ends of each mounting plate 13 are respectively connected to two sides of the inner wall of the drying chamber; a material carrying net 14 is arranged between the two mounting plates 13. The material carrying net 14 is U-shaped, and two side edges of the U-shape are respectively connected with the mounting plate 13 through bolts 16.

Further preferably, the device also comprises a pressure plate 15, the length and the height of the pressure plate 15 are matched with those of the mounting plate 13, and the bolts 16 penetrate through the pressure plate 15 and the material carrying net 14 in sequence and then are connected with the mounting plate 13. Set up clamp plate 15 and can reduce the material and bear 14 perks of net and produce great gaps the top of the side of the material of U-shaped bear 14 of net can set up the kink 17 with the laminating of mounting panel 13 top surface, can avoid the material to get into the connection gap, guarantee the normal operating of whole device, reduce and maintain.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications may be made to the embodiments described above, or equivalents may be substituted for some of the features described. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a cold and hot air mixing automatic regulating apparatus of guipure formula drying-machine which characterized in that: the drying device comprises an outer shell (1), wherein a heating chamber (2) is arranged in the outer shell (1), an air channel (3) and a drying chamber are arranged above the heating chamber (2), a plurality of material layers (4) are arranged in the drying chamber, a heat recovery chamber is arranged at the top of the outer shell (1), an air source heat pump (8) and a strong exhaust fan (7) are arranged in the heat recovery chamber, and the strong exhaust fan (7) is communicated with the outer shell (1); the heat recovery device is characterized by further comprising a PLC (programmable logic controller) (12) arranged outside the heat recovery chamber, wherein a fresh air valve (11) and a moisture exhaust fan (10) are arranged at the top of the heat recovery chamber, a temperature and humidity sensor (9) is arranged in the heat recovery chamber, and the fresh air valve (11), the moisture exhaust fan (10) and the temperature and humidity sensor (9) are all connected with the PLC (12).

2. The cold and hot air mixing automatic adjusting device of the mesh belt type dryer as claimed in claim 1, characterized in that: the dehumidifying fan (10) is arranged in the middle of the top of the heat recovery chamber, and the temperature and humidity sensor (9) is arranged below the dehumidifying fan (10).

3. The cold and hot air mixing automatic adjusting device of the mesh belt type dryer as claimed in claim 2, characterized in that: the number of the fresh air valves (11) is two, and the fresh air valves are respectively positioned on two sides of the moisture exhaust fan (10).

4. The cold and hot air mixing automatic adjusting device of the mesh belt type dryer as claimed in claim 1, characterized in that: the material layers (4) are four layers, and a spacing layer (5) with the same distance as the thickness of the material layers (4) is arranged between every two adjacent material layers.

5. The automatic regulating device for mixing cold air and hot air of the mesh-belt dryer as claimed in claim 4, wherein: the material layer (4) comprises two mounting plates (13) which are arranged oppositely, and two ends of each mounting plate (13) are respectively connected to two sides of the inner wall of the drying chamber; a material bearing net (14) is arranged between the two mounting plates (13).

6. The cold and hot air mixing automatic adjusting device of the mesh belt type dryer according to claim 5, characterized in that: the material carrying net (14) is U-shaped, and two side edges of the U-shape are respectively connected with the mounting plate (13) through bolts (16).

7. The automatic regulating device for mixing cold air and hot air of the mesh-belt dryer as claimed in claim 6, wherein: the device is characterized by further comprising a pressing plate (15), the length and the height of the pressing plate (15) are matched with those of the mounting plate (13), and the bolts (16) penetrate through the pressing plate (15) and the material bearing net (14) in sequence and then are connected with the mounting plate (13).