Microwave vacuum low-temperature drying cavity

Abstract

The utility model discloses a microwave vacuum low-temperature drying cavity which comprises three groups of vacuum ports, a plurality of microwave generators, a plurality of explosion-proof lamps, a pair of sealing doors and a plurality of water pipe connecting pieces, wherein the three groups of vacuum ports are respectively formed in the top and two sides of the cavity, and are respectively communicated with an external vacuum unit through vacuum pipes; the plurality of microwave generators are respectively arranged on two sides of the cavity; the plurality of explosion-proof lamps are arranged at the top and two sides of the cavity and are used for illuminating the interior of the cavity; the pair of sealing doors are arranged at the two ends of the cavity, and a plurality of cameras are arranged on the sealing doors and used for observing the condition in the cavity; the multiple water pipe connecting pieces are arranged on the cavity, and threaded connecting parts are arranged at the two ends of each water pipe connecting piece and used for connecting the cleaning nozzle and an external water pipe. According to the utility model, water vapor can be quickly discharged; the condition in the cavity can be observed in real time; the cavity is good in heat preservation effect and low in energy consumption; the cleaning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of microwave vacuum low-temperature drying equipment, and particularly relates to a microwave vacuum low-temperature drying cavity. Background Art

[0002] In the prior art, the vacuum port of the microwave vacuum drying cavity is often arranged at the top of the cavity, and it is difficult to timely evacuate the gas with water vapor during vacuum pumping; the existing vacuum drying equipment is difficult to observe the drying condition of the materials inside the cavity in real time and clearly; the microwave energy consumption of the existing microwave vacuum drying equipment is relatively large; moreover, a rotating spray rack is arranged inside the vacuum cavity to clean the inside of the cavity, but the spray rack occupies a large space and also has a certain influence on the microwave. Summary of the Invention

[0003] According to an embodiment of the present utility model, there is provided a microwave vacuum low-temperature drying cavity, comprising:

[0004] Three groups of vacuum ports, which are respectively arranged at the top and both sides of the cavity, and the three groups of vacuum ports are respectively connected to an external vacuum unit through vacuum tubes;

[0005] Several microwave generators, which are respectively arranged on both sides of the cavity;

[0006] Several explosion-proof lamps, which are arranged at the top and both sides of the cavity for illuminating the inside of the cavity;

[0007] A pair of sealing doors, which are arranged at both ends of the cavity, and several cameras are arranged on the sealing doors for observing the condition inside the cavity;

[0008] Several water pipe connectors, which are respectively arranged on the cavity, and threaded connection parts are respectively arranged at both ends thereof for connecting a cleaning spray head and an external water pipe.

[0009] Furthermore, the sealing door is of a double-layer structure, and heat-insulating cotton is arranged inside the double-layer structure.

[0010] Furthermore, a metal shielding net and a transparent quartz glass are arranged between the explosion-proof lamp and the cavity; the transparent quartz glass is arranged between the metal shielding net and the explosion-proof lamp.

[0011] Furthermore, the explosion-proof lamp is connected to the cavity through a flange.

[0012] Furthermore, several drain ports are arranged at the bottom of the cavity.

[0013] Furthermore, several exhaust valves, several temperature sensors and several pressure sensors are also arranged on the cavity.

[0014] Further, a number of heating wires are provided on the cavity, and the heating wires are attached to the outer surface of the cavity for preheating or heat preservation of the cavity.

[0015] According to the microwave vacuum low-temperature drying cavity of the embodiment of the present invention, water vapor can be quickly discharged; the internal situation of the cavity can be observed in real time; the cavity has good heat preservation effect and low energy consumption; and it is easy to clean.

[0016] It should be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram according to an embodiment of the present invention;

[0018] Figure 2 is a partial enlarged view according to an embodiment of the present invention;

[0019] Figure 3 is an assembly relationship diagram between an explosion-proof lamp and a metal shielding net according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Hereinafter, with reference to the drawings, the preferred embodiments of the present invention will be described in detail to further illustrate the present invention.

[0021] First, in combination with Figures 1 - 3 Describe the microwave vacuum low-temperature drying cavity according to the embodiment of the present invention, which is used in fields such as medicine, chemical industry, and food, and has a wide range of application scenarios.

[0022] As Figures 1 - 3 shown, the microwave vacuum low-temperature drying cavity according to the embodiment of the present invention includes:

[0023] Three groups of vacuum ports, which are respectively arranged at the top and both sides of the cavity 1, and the three groups of vacuum ports are respectively connected to an external vacuum unit through vacuum tubes 4;

[0024] A number of microwave generators 11, which are respectively arranged on both sides of the cavity 1;

[0025] A number of explosion-proof lamps 12, which are arranged at the top and both sides of the cavity 1 for illuminating the inside of the cavity 1;

[0026] A pair of sealing doors 2, which are arranged at both ends of the cavity 1, and a number of cameras 21 are arranged on the sealing doors 2 for observing the condition inside the cavity 1;

[0027] A number of water pipe connectors 3 are respectively arranged on the cavity 1. Threaded connection parts are arranged at both ends of the water pipe connectors 3 for connecting the cleaning nozzle and the external water pipe, and the threaded connection parts facilitate connection and replacement.

[0028] Furthermore, as Figure 1 shown, in this embodiment, the sealing door 2 has a double-layer structure, and heat-insulating cotton is arranged inside the double-layer structure to reduce energy consumption.

[0029] Furthermore, as Figures 2 - 3 shown, in this embodiment, a metal shielding net 13 and a transparent quartz glass (not shown) are arranged between the explosion-proof lamp 12 and the cavity 1; the transparent quartz glass is arranged between the metal shielding net 13 and the explosion-proof lamp 12; the transparent quartz glass is used for focusing microwaves, and the metal shielding net 13 can reduce the leakage of microwaves inside the cavity 1.

[0030] Furthermore, as Figure 2 shown, in this embodiment, the explosion-proof lamp 12 is connected to the cavity 1 through a flange.

[0031] Furthermore, in this embodiment, a number of drain ports are arranged at the bottom of the cavity 1, which can quickly drain water when the cavity 1 is cleaned.

[0032] Furthermore, in this embodiment, a number of exhaust valves, a number of temperature sensors and a number of pressure sensors are also arranged on the cavity 1. The temperature sensors are used to detect the temperature inside the cavity 1, and the pressure sensors are used to detect the pressure inside the cavity 1.

[0033] Furthermore, in this embodiment, a number of heating wires (not shown) are also arranged on the cavity 1. The heating wires are attached to the outer surface of the cavity 1 for preheating or heat preservation of the cavity 1, reducing the energy consumption of the microwave generator 11.

[0034] Working principle: During use, the vacuum unit evacuates the cavity 1 through the vacuum pipe 4, and the heating wires work first to make the cavity 1 reach the initial temperature; then the microwave generator 11 is used to perform microwave heating on the materials inside the cavity 1, and the evaporated water vapor can be quickly extracted through the three groups of vacuum ports; the drying condition of the materials inside the cavity 1 can be observed through the camera 21.

[0035] Above, with reference to Figures 1 - 3 the microwave vacuum low-temperature drying cavity according to the embodiment of the present invention has been described. It can quickly discharge water vapor; the internal situation of the cavity can be observed in real time; the cavity has good heat preservation effect and low energy consumption; and it is convenient to clean.

[0036] It should be noted that in this specification, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0037] Although the content of the present utility model has been described in detail through the above preferred embodiments, it should be recognized that the above description should not be construed as a limitation of the present utility model. After those skilled in the art have read the above content, various modifications and substitutions of the present utility model will be obvious. Therefore, the protection scope of the present utility model shall be defined by the appended claims.

Claims

1. A microwave vacuum low-temperature drying cavity, characterized in that, Comprising: Three groups of vacuum ports, the three groups of vacuum ports are respectively arranged at the top and both sides of the cavity, and the three groups of vacuum ports are respectively connected to an external vacuum unit through vacuum tubes; A plurality of microwave generators, the plurality of microwave generators are respectively arranged on both sides of the cavity; A plurality of explosion-proof lamps, the plurality of explosion-proof lamps are arranged at the top and both sides of the cavity for illuminating the interior of the cavity; A pair of sealing doors, the pair of sealing doors are arranged at both ends of the cavity, and a plurality of cameras are arranged on the sealing doors for observing the conditions inside the cavity; A plurality of water pipe connectors, the plurality of water pipe connectors are respectively arranged on the cavity, and threaded connection parts are respectively arranged at both ends thereof for connecting a cleaning nozzle and an external water pipe.

2. The microwave vacuum low-temperature drying cavity according to claim 1, wherein The sealing door is of a double-layer structure, and heat-insulating cotton is arranged inside the double-layer structure.

3. The microwave vacuum low-temperature drying cavity according to claim 1, wherein A metal shielding net and transparent quartz glass are arranged between the explosion-proof lamp and the cavity; the transparent quartz glass is arranged between the metal shielding net and the explosion-proof lamp.

4. The microwave vacuum low-temperature drying cavity according to claim 3, characterized in that, The explosion-proof lamp is connected to the cavity through a flange.

5. The microwave vacuum low-temperature drying cavity according to claim 1, wherein, A plurality of drain ports are arranged at the bottom of the cavity.

6. The microwave vacuum low-temperature drying cavity according to claim 1, wherein A plurality of exhaust valves, a plurality of temperature sensors and a plurality of pressure sensors are further arranged on the cavity.

7. The microwave vacuum low-temperature drying cavity according to claim 1, wherein A plurality of heating wires are further arranged on the cavity, and the heating wires are attached to the outer surface of the cavity for preheating or heat preservation of the cavity.

Images