CN219955880U

CN219955880U - Microwave drying device

Info

Publication number: CN219955880U
Application number: CN202321306627.0U
Authority: CN
Inventors: 陆云飞; 蒋朝; 王彪; 李俊杰; 丁乐; 庞文文
Original assignee: Jiangxi Zichen Technology Co ltd
Current assignee: Jiangxi Zichen Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-11-03
Anticipated expiration: 2033-05-26

Abstract

The utility model relates to the technical field of material drying, in particular to a microwave drying device. The microwave drying device comprises a shell, a drying box, a microwave generator and a neutralization mechanism, wherein the drying box is arranged in the shell, the drying box is used for placing materials, the microwave generator is arranged in a cavity of the shell, the microwave heater can heat and dry the materials, the neutralization mechanism is arranged in the shell and is positioned on one side of the drying box, and the neutralization mechanism can neutralize corrosive gases volatilized by the materials. Through above-mentioned device, can be more quick, more even dry material, drying effect is good, can reduce the emission of corrosive gas simultaneously, reduces air pollution, environmental protection.

Description

Microwave drying device

Technical Field

The utility model relates to the technical field of material drying, in particular to a microwave drying device.

Background

In the production and use process of the powdery material, the material needs to be cleaned by acidic or alkaline liquid so as to improve the purity of the powdery material. After the powder material is washed, the powder material needs to be dried to remove the moisture in the powder material.

At present, the common drying mode is to adopt a hot air drying or microwave drying device for drying, and the hot air drying method is adopted, so that the drying time is long, the power consumption is high, the heating is not uniform, the material needs to be turned up and down, the labor intensity is high, and the microwave energy penetrates the inside of the material, so that the material is simultaneously heated inside and outside, and the microwave drying device is widely used for drying and dehydrating powdery and granular materials. In the process of drying materials containing corrosive liquid, a large amount of corrosive gas can be volatilized, and the existing microwave drying device directly discharges the corrosive gas into the atmosphere, so that environmental pollution is caused.

Accordingly, there is a need for a microwave drying apparatus to solve the above problems.

Disclosure of Invention

The utility model aims to provide a microwave drying device which can dry materials more quickly and uniformly, has a good drying effect, can reduce the discharge of corrosive gas, reduces air pollution and protects the environment.

In order to achieve the above object, the following technical scheme is provided:

a microwave drying apparatus comprising:

a housing;

the drying box is arranged in the shell and is used for placing materials;

the microwave generator is arranged in the cavity of the shell and can heat and dry the materials;

the neutralization mechanism is arranged in the shell and positioned on one side of the drying box, and can neutralize corrosive gas volatilized by the materials.

Preferably, the neutralization mechanism comprises:

the neutralization tank is arranged in the shell, and is internally provided with a neutralization liquid, and the neutralization liquid can neutralize the corrosive gas.

Preferably, the neutralization mechanism further comprises:

the liquid discharge pipeline is communicated with the inside of the neutralization tank and is arranged at the lower part of the neutralization tank;

and the liquid adding pipeline is communicated with the inside of the neutralization tank and is positioned above the liquid discharging pipeline.

Preferably, the neutralization mechanism further comprises:

and the observation window is arranged on the shell wall of the shell, and the liquid level of the neutralization liquid can be observed through the observation window.

Preferably, the microwave drying device further comprises:

the hot air inlet mechanism is arranged in the shell, the drying box is provided with an air inlet hole, and hot air generated by the hot air inlet mechanism can enter the drying box through the air inlet hole.

Preferably, the microwave drying device further comprises:

the exhaust mechanism is arranged in the shell, the drying box is provided with an exhaust hole, and the hot air in the drying box can pass through the exhaust hole and be exhausted out of the shell through the exhaust mechanism.

Preferably, the aperture of the exhaust hole is smaller than the aperture of the air inlet hole and/or the aperture of the air outlet end of the exhaust hole is smaller than the aperture of the air inlet end.

Preferably, the microwave drying device further comprises:

and the cooling mechanism is arranged in the shell and is used for condensing the hot air discharged from the exhaust hole to form condensate, and the condensate can flow into the neutralization mechanism.

Preferably, the microwave drying device further comprises:

the cabinet door, the casing with one side of drying cabinet has the opening jointly, the cabinet door is used for opening or closing the opening, be provided with the metal net on the cabinet door.

Preferably, the microwave drying device further comprises:

and a humidity detection member installed in the drying oven and configured to detect humidity in the drying oven.

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

the microwave drying device comprises a shell, a drying box, a microwave generator and a neutralization mechanism, wherein the drying box is arranged in the shell, the drying box is used for placing materials, the microwave generator is arranged in a cavity of the shell, the microwave heater can heat and dry the materials, the neutralization mechanism is arranged in the shell and is positioned on one side of the drying box, and the neutralization mechanism can neutralize corrosive gases volatilized by the materials. Through above-mentioned device, can be more quick, more even dry material, drying effect is good, can reduce the emission of corrosive gas simultaneously, reduces air pollution, environmental protection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of a microwave drying apparatus according to an embodiment of the present utility model;

FIG. 2 is a second schematic diagram of a microwave drying apparatus according to an embodiment of the present utility model;

FIG. 3 is a third schematic diagram of a microwave drying apparatus according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a microwave drying apparatus according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a microwave drying apparatus according to an embodiment of the utility model.

Reference numerals:

100. a microwave drying device;

10. a housing;

20. a drying box; 21. an air inlet hole; 22. an exhaust hole; 23. a temperature measuring member; 24. a tray;

30. a microwave generator;

40. a neutralization mechanism; 41. a neutralization pond; 42. a liquid discharge pipe; 43. a liquid adding pipeline; 44. an observation window;

50. a hot air inlet mechanism; 51. an air inlet fan; 52. a heater;

60. an exhaust mechanism;

70. a cooling mechanism; 71. a constant temperature water bath box; 711. a condensing tube; 72. a compressor refrigeration assembly; 73. a cooling fan;

80. a cabinet door; 81. a metal mesh;

91. a humidity detecting member; 92. a temperature detecting member; 93. a pressure detecting member.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, the terms "upper," "lower," "left," "right," and the like are used for convenience of description and simplicity of operation based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

In order to solve the above problems, as shown in fig. 1 to 5, the present embodiment provides a microwave drying apparatus 100, the microwave drying apparatus 100 includes a housing 10, a drying box 20, a microwave generator 30 and a neutralization mechanism 40, the drying box 20 is disposed in the housing 10, the drying box 20 is used for placing materials, the microwave generator 30 is installed in a cavity of the housing 10, the microwave heater 52 is capable of heating and drying the materials, the neutralization mechanism 40 is disposed in the housing 10 and is located at one side of the drying box 20, and the neutralization mechanism 40 is capable of neutralizing corrosive gases volatilized from the materials. Through above-mentioned device, can be more quick, more even dry material, drying effect is good, can reduce the emission of corrosive gas simultaneously, reduces air pollution, environmental protection. The structure and the working principle of the microwave generator 30 are all in the prior art, and any microwave generator 30 capable of realizing the above functions can be adopted in this embodiment.

Specifically, as shown in fig. 1, a tray 24 is disposed in the drying oven 20, and a material containing corrosive liquid is placed on the tray 24, and the tray 24 realizes stable bearing of the material. The number of trays 24 is plural, and the trays 24 are placed in the drying box 20 to carry as many materials as possible, thereby improving the drying efficiency of the materials.

As shown in fig. 1, a temperature measuring piece 23 is further disposed in the drying oven 20, and the temperature measuring piece 23 is inserted into the material and is used for measuring the temperature of the material in the interior. Wherein, the temperature measuring piece 23 is a thermocouple.

The inner wall of the housing 10, the inner wall of the drying oven 20, and the tray 24 are covered with an inner liner of PTFE (Polytetrafluoroethylene) or PP (polypropylene). The material has the advantages of high strength, strong flexibility, high temperature resistance, corrosion resistance and the like, so that the corrosion resistance of the microwave drying device 100 is improved, and the microwave drying device 100 has longer service life. It should be noted that the above materials are all materials which are well known to those skilled in the art and resistant to high temperature and corrosion, the material of the liner with the above structure is not limited in the present utility model, and the producer may perform conventional replacement on the above materials according to practical production experience.

Further, as shown in fig. 1 and 2, the microwave drying apparatus 100 further includes a cabinet door 80, one side of the housing 10 and one side of the drying cabinet 20 have openings together, the cabinet door 80 is used for opening or closing the openings, and the cabinet door 80 is convenient for taking and placing materials. The cabinet door 80 is provided with the metal mesh 81, and the metal mesh 81 can prevent microwave leakage and improve the use safety of the microwave drying device 100.

Further, as shown in fig. 1 and 3, the microwave drying apparatus 100 further includes a hot air inlet mechanism 50, the hot air inlet mechanism 50 is disposed in the housing 10 and is communicated with the atmosphere, the drying box 20 is provided with an air inlet 21, and hot air generated by the hot air inlet mechanism 50 can enter the drying box 20 through the air inlet 21. The hot air is introduced into the drying box 20 through the hot air inlet system, so that the drying effect and drying efficiency of the materials can be further improved, and meanwhile, the materials can be prevented from being dried and evaporated water vapor is prevented from condensing.

Specifically, as shown in fig. 1 and 3, the hot air inlet mechanism 50 includes an air inlet fan 51 and a heater 52, the air inlet fan 51 is disposed on the housing 10, the air inlet fan 51 can introduce air into the housing 10 and into the drying oven 20 through the air inlet 21, the heater 52 is disposed in the housing 10, and the heater 52 is used for heating the air introduced by the air inlet fan 51, thereby further ensuring a better drying effect of the material and avoiding condensation of water vapor evaporated by drying the material. The specific structure and working principle of the exhaust fan and the heater 52 belong to the prior art, and are not described herein.

Further, as shown in fig. 1, the microwave drying apparatus 100 further includes an air exhaust mechanism 60, the air exhaust mechanism 60 is disposed in the casing 10, the drying oven 20 is provided with an air exhaust hole 22, and hot air in the drying oven 20 can be exhausted out of the casing 10 through the air exhaust hole 22 and the air exhaust mechanism 60. Wherein, the exhaust mechanism 60 may be an exhaust fan.

As shown in fig. 1, a humidity detecting element 91 and a pressure detecting element 93 are disposed in the drying oven 20, when the humidity in the drying oven 20 detected by the humidity detecting element 91 falls to a preset value, the power of the air inlet fan 51 and the air exhaust mechanism 60 are adjusted to make the air output greater than the air input, so that the drying oven 20 is negative pressure, the liquid in the material is gasified and then is easier to be discharged, the drying effect of the material is further improved, and the pressure detecting element 93 is used for detecting the pressure value in the drying oven 20. The humidity detecting member 91 may be a hygrometer or a humidity sensor, and the pressure detecting member 93 may be a pressure sensor.

Further, the microwave drying apparatus 100 further includes a control assembly, where the air inlet fan 51, the air exhaust mechanism 60, the humidity detecting member 91 and the pressure detecting member 93 are electrically connected to the control assembly, and the control assembly controls the opening, closing or power of the air inlet fan 51 and the air exhaust mechanism 60 according to the data fed back by the humidity detecting member 91 and the pressure detecting member 93. The control component is in the prior art, and any control component capable of realizing the functions is adopted in the embodiment.

Preferably, as shown in fig. 1 and 4, the neutralization mechanism 40 includes a neutralization tank 41, the neutralization tank 41 being disposed within the housing 10, the neutralization tank 41 carrying a neutralization liquid capable of neutralizing corrosive gases. During the drying operation, the corrosive gas evaporated from the drying box 20 enters the neutralization tank 41 through the exhaust hole 22, and the neutralization liquid in the neutralization tank 41 neutralizes the corrosive gas to be a common gas, so that the corrosive gas is prevented from being discharged into the atmosphere, and the purpose of protecting the environment is realized. When the corrosive gas is an acid gas, the neutralization solution is an alkaline neutralization solution; similarly, when the corrosive gas is an alkaline gas, the neutralization solution is an acidic neutralization solution, and the corrosive gas is neutralized by using an acid-base neutralization principle.

Preferably, as shown in fig. 1, the neutralization mechanism 40 further includes a liquid discharge pipe 42, the liquid discharge pipe 42 is communicated with the inside of the neutralization tank 41, the liquid discharge pipe 42 is provided at the lower part of the neutralization tank 41, and the liquid discharge pipe 42 is used for discharging the liquid in the neutralization tank 41, so that the liquid level of the liquid in the neutralization tank 41 is prevented from being too high to affect the discharge of the gas. The neutralization mechanism 40 further comprises a liquid adding pipeline 43, the liquid adding pipeline 43 is communicated with the inside of the neutralization tank 41, the liquid adding pipeline 43 is located above the liquid discharging pipeline 42, and the liquid adding pipeline 43 is used for adding neutralizing liquid into the neutralization tank 41, so that the neutralizing liquid in the neutralization tank 41 can keep a good neutralization effect. Wherein, valves are respectively arranged on the liquid adding pipeline 43 and the liquid discharging pipeline 42 to realize the opening or closing of the liquid adding pipeline 43 and the liquid discharging pipeline 42, thereby being convenient for use.

As shown in fig. 1, the neutralization mechanism 40 further includes an observation window 44, where the observation window 44 is disposed on a wall of the casing 10, and the level of the neutralization solution can be observed through the observation window 44, so that the neutralization solution can be added or discharged according to the level of the neutralization solution, thereby improving the convenience of using the microwave drying device 100. The observation window 44 may be made of transparent glass or plastic, etc. so as to facilitate the observation of the liquid level in the neutralization tank 41 from the outside of the microwave drying apparatus 100.

It will be appreciated that when the material to be dried does not contain a corrosive liquid, the microwave drying apparatus 100 may be provided without the neutralizing mechanism 40, and the gas discharged from the drying oven 20 may be directly discharged to the atmosphere through the air discharging mechanism 60.

Preferably, the aperture of the exhaust hole 22 is smaller than the aperture of the intake hole 21 and/or the aperture of the air outlet end of the exhaust hole 22 is smaller than the aperture of the air inlet end, so that the gas entering the neutralization mechanism 40 from the drying oven 20 flows into the neutralization tank 41 due to the decrease in aperture, the preliminary decrease in temperature, and the condensation of part of the gas.

Preferably, as shown in fig. 1 and 5, the microwave drying apparatus 100 further includes a cooling mechanism 70, the cooling mechanism 70 being disposed in the housing 10, the cooling mechanism 70 being configured to condense the hot air discharged from the air discharge hole 22 to form condensate, the condensate being capable of flowing into the neutralization mechanism 40 to enhance the efficiency of neutralizing the corrosive gas.

Specifically, as shown in fig. 1 and 5, the cooling mechanism 70 includes a thermostatic water bath 71, a compressor refrigeration assembly 72 and a cooling fan 73, the thermostatic water bath 71 is disposed in the housing 10 and above the neutralization tank 41, a condensation pipe 711 is disposed in the thermostatic water bath 71, the compressor refrigeration assembly 72 and the cooling fan 73 are disposed in the housing 10, the compressor refrigeration assembly 72 is used for refrigerating the condensation pipe 711, and the cooling fan 73 is used for radiating heat from the compressor refrigeration assembly 72. The specific structure and working principle of the constant-temperature water bath 71, the compressor refrigeration assembly 72 and the cooling fan 73 are all in the prior art, and are not described herein.

Preferably, a temperature detecting member 92 is provided in the thermostatic waterbath 71, and the temperature detecting member 92 is used to detect the temperature of the thermostatic waterbath 71.

It is understood that the temperature measuring member 23, the microwave generator 30, the constant temperature water bath 71, the compressor refrigeration assembly 72 and the cooling fan 73 are also electrically connected to the control assembly. The outer surface of the shell 10 is provided with a numerical control plate, a drying program of materials can be set through the numerical control plate, and meanwhile, the opening or closing of a structure electrically connected with the control assembly is controlled.

For ease of understanding, the operation of the microwave drying apparatus 100 will be described with reference to fig. 1 to 5:

1) Placing the materials to be dried in the tray 24 in the drying oven 20, and closing the cabinet door 80;

2) The hot air inlet mechanism 50 and the microwave generator 30 heat materials simultaneously, and corrosive liquid in the materials is converted into corrosive gas;

3) The corrosive gas is condensed by the cooling mechanism 70, drops into the neutralization tank 41, the corrosive liquid is neutralized, and the remaining gas is discharged by the exhaust mechanism 60.

Note that in the description of this specification, a description referring to terms "some embodiments", "other embodiments", and the like, 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.

The foregoing description is only of the preferred embodiments of the utility model and the technical principles employed. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. A microwave drying apparatus, comprising:

a housing (10);

a drying box (20) arranged in the shell (10), wherein the drying box (20) is used for placing materials;

a microwave generator (30) mounted in the cavity of the housing (10), the microwave generator (30) being capable of heating and drying the material;

and the neutralization mechanism (40) is arranged in the shell (10) and is positioned at one side of the drying box (20), and the neutralization mechanism (40) can neutralize corrosive gas volatilized by the materials.

2. Microwave drying unit according to claim 1, characterized in that the neutralization mechanism (40) comprises:

and the neutralization tank (41) is arranged in the shell (10), and neutralization liquid is carried in the neutralization tank (41) and can neutralize the corrosive gas.

3. The microwave drying apparatus according to claim 2, wherein the neutralization mechanism (40) further comprises:

a liquid discharge pipe (42) communicating with the inside of the neutralization tank (41), the liquid discharge pipe (42) being provided at the lower part of the neutralization tank (41);

and a liquid adding pipeline (43) communicated with the inside of the neutralization tank (41), wherein the liquid adding pipeline (43) is positioned above the liquid discharging pipeline (42).

4. The microwave drying apparatus according to claim 2, wherein the neutralization mechanism (40) further comprises:

and an observation window (44) provided on the wall of the casing (10), wherein the level of the neutralization solution can be observed through the observation window (44).

5. The microwave drying apparatus according to any one of claims 1 to 4, further comprising:

the hot air inlet mechanism (50) is arranged in the shell (10), the drying box (20) is provided with an air inlet hole (21), and hot air generated by the hot air inlet mechanism (50) can enter the drying box (20) through the air inlet hole (21).

6. The microwave drying apparatus of claim 5, further comprising:

the exhaust mechanism (60) is arranged in the shell (10), the drying box (20) is provided with an exhaust hole (22), and the hot air in the drying box (20) can pass through the exhaust hole (22) and be exhausted out of the shell (10) through the exhaust mechanism (60).

7. The microwave drying unit according to claim 6, characterized in that the aperture of the exhaust hole (22) is smaller than the aperture of the inlet hole (21) and/or the aperture of the outlet end of the exhaust hole (22) is smaller than the aperture of the inlet end.

8. The microwave drying apparatus of claim 6, further comprising:

-cooling means (70), said cooling means (70) being arranged inside said housing (10), said cooling means (70) being adapted to condense said hot air discharged from said air discharge holes (22) to form a condensate, said condensate being able to flow into said neutralizing means (40).

9. The microwave drying apparatus according to claim 1, further comprising:

the cabinet door (80), the casing (10) with one side of drying cabinet (20) has the opening jointly, cabinet door (80) are used for opening or closing the opening, be provided with metal net (81) on cabinet door (80).

10. The microwave drying apparatus according to claim 1, further comprising:

a humidity detection member (91) mounted within the drying oven (20) and configured to detect humidity within the drying oven (20).