CN212481853U

CN212481853U - Auxiliary heating device of microwave vacuum drying equipment

Info

Publication number: CN212481853U
Application number: CN202020604712.5U
Authority: CN
Inventors: 吴琦; 吴京
Original assignee: Guiyang Xinqi Microwave Industrial Co ltd
Current assignee: Guiyang Xinqi Microwave Industrial Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-02-05
Anticipated expiration: 2030-04-21

Abstract

The utility model provides a microwave vacuum drying equipment auxiliary heating device which characterized in that: the electric heating tube is arranged in the T-shaped tube, a plurality of small ventilation holes are drilled in the T-shaped tube, the lower end of the T-shaped tube is connected with the fixed flange through a lower flange of the T-shaped tube, and the fixed flange is connected with the lead-out tube; the outlet pipe is provided with a three-way joint, and the electromagnetic valve is connected with the outlet pipe through the three-way joint; the power cord of the electric heating tube penetrates out of the lead-out tube. The device is installed in the microwave vacuum drying equipment, and has the advantages of high heating efficiency, easy temperature control, easy installation and maintenance, and the like, and can promote the air flow in the microwave heater by controlling the air intake.

Description

Auxiliary heating device of microwave vacuum drying equipment

Technical Field

The utility model belongs to the technical field of the microwave drying, concretely relates to microwave vacuum drying equipment auxiliary heating device.

Background

At present, the microwave vacuum drying technology is widely applied to the aspects of medicinal materials, agricultural and sideline products, food and the like, and obtains good effect. Generally, materials such as medicinal materials, food and the like have high requirements on drying moisture, and need to be dried at a low temperature so as to preserve the original nutritional ingredients or medicinal ingredients of the materials and reduce the loss of the active ingredients of the materials as much as possible. The drying of chemical products, such as plastics, rubber and the like, and the drying of filter materials, filter elements and the like. For the materials with poor microwave absorbing capacity, under the condition that the moisture is very low or partial condensed water is generated on the surface of the materials, the microwave vacuum drying equipment is difficult to continuously heat and dry the materials, and the moisture content of the materials is reduced, so an auxiliary heating device is required to be added.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a microwave vacuum drying equipment auxiliary heating device, the device installs inside microwave vacuum drying equipment, has that heating efficiency is high, easy controlled temperature, easy to install and maintain, can admit air through the control simultaneously and promote advantages such as the air flow in the microwave vacuum heater.

The technical scheme of the utility model is that: an auxiliary heating device of microwave vacuum drying equipment comprises a T-shaped pipe, an electric heating pipe, an outgoing pipe, a fixed flange, an electromagnetic valve, a power line and the like, wherein the electric heating pipe is arranged in the T-shaped pipe; the outlet pipe is provided with a three-way joint, and the electromagnetic valve is connected with the outlet pipe through the three-way joint; the power cord of the electric heating tube penetrates out of the lead-out tube.

The further proposal is that the number of the electric heating tubes is 2, and the electric heating tubes are respectively arranged at two ends of the T-shaped tube.

The T-shaped pipe is a hollow pipe with a round or square structure.

Two ends of the T-shaped pipe are sealed through flange structures, and a T-shaped pipe port flange and a T-shaped pipe port cover plate are arranged.

The position of the power line penetrating out of the outlet pipe is provided with an outlet pipe lower flange and an outlet pipe cover plate which are sealed through a flange structure, the outlet pipe cover plate is provided with a small hole and a sealing ring, and the power line penetrates out of the outlet pipe through the small hole.

The fixed flange and the eduction tube are fixed on the microwave vacuum heater in a welding mode.

The beneficial effects of the utility model reside in that: by adopting the technical scheme, the T-shaped pipe is installed inside the microwave vacuum drying equipment, the T-shaped pipe is drilled with the plurality of small ventilation holes, after the electric heating pipe in the T-shaped pipe is electrified and heated, microwaves cannot enter the T-shaped pipe by utilizing the principle that the microwaves cannot pass through the small holes, the external gas pressure of the microwave vacuum heater is higher than the internal gas pressure of the equipment in a vacuum state, when the electromagnetic valve on the lead-out pipe is opened, external air enters the T-shaped pipe through the three-way connector and the lead-out pipe and enters the microwave vacuum heater through the small ventilation holes, so that heat energy generated by the electric heating pipe can better enter the microwave vacuum heater, meanwhile, the air flow is enhanced, the auxiliary heating has the dual functions of heat radiation and air flow, the heat transfer effect is enhanced, the material drying speed and efficiency are improved, and the material can be.

Meanwhile, the T-shaped pipe is tightly connected with the microwave vacuum heater and can freely extend without deformation in a heated state. T type pipe is as an independent body, easy to assemble and dismantlement, consequently, the utility model has the advantages of heating efficiency is high, supplementary promotion air flows, easy installation is maintained.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the structure of a T-pipe.

Fig. 3 is a top view of fig. 2.

In the figure: 1. the device comprises a T-shaped pipe, 2, an electric heating pipe, 3, an outgoing pipe, 4, an electromagnetic valve, 5, a power line, 6, a lower flange of the T-shaped pipe, 7, the lower end of the T-shaped pipe, 8, a fixed flange, 9, a three-way joint, 10, a lower flange of the outgoing pipe, 11, small vent holes, 12, a flange of a port of the T-shaped pipe, 13, a cover plate of the port of the T-shaped pipe, 14, a cover plate of the outgoing pipe, 200, a material tray, 210 and a microwave.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The specific embodiment of the utility model is a microwave vacuum drying equipment auxiliary heating device, including T type pipe 1, electrothermal tube 2, stand-off pipe 3, mounting flange 8, solenoid valve 4, power cord 5 etc.. The T-shaped pipe 1 is a hollow pipe with a round or square structure, the electric heating pipe 2 is arranged in the T-shaped pipe 1, a plurality of small ventilation holes 11 are drilled in the T-shaped pipe 1, the lower end 7 of the T-shaped pipe is connected with the fixed flange 8 through the lower flange 6 of the T-shaped pipe, and the fixed flange 8 is connected with the outlet pipe 3; the outlet pipe 3 is provided with a three-way joint 9, and the electromagnetic valve 4 is connected with the outlet pipe 3 through the three-way joint 9; the power cord 5 of the electric heating tube 2 penetrates out of the outlet tube 3, a lower outlet tube flange 10 and an outlet tube cover plate 14 are arranged at the position where the power cord 5 penetrates out of the outlet tube 3 and are sealed through flange structures, a small hole and a sealing ring are arranged on the outlet tube cover plate 14, and the power cord 5 penetrates out of the outlet tube 3 through the arranged small hole.

The further explanation is that the number of the electric heating tubes 2 is 2, the electric heating tubes are respectively arranged at two ends of the T-shaped tube 1, in order to facilitate installation of the electric heating tubes 2, two ends of the T-shaped tube 1 are sealed through flange structures, and a T-shaped tube port flange 12 and a T-shaped tube port cover plate 13 are arranged, so that the electric heating tubes 2 can be conveniently detached and installed, and microwaves can be prevented from entering the interior of the T-shaped tube 1.

The fixed flange 8 and the extraction pipe 3 are fixed on the microwave vacuum heater 210 in a welding mode.

As further described with reference to fig. 1, 2 and 3, the T-shaped pipe 1 is installed inside the microwave vacuum heater 210, and is connected with the outlet pipe 3 installed outside the microwave vacuum heater 210 through a fixing flange 8 and a T-shaped pipe lower flange 6; one end of the eduction tube 3 and the fixed flange 8 are welded on the corresponding hole position of the microwave vacuum heater 210, the other end is an eduction tube lower flange 10 and an eduction tube cover plate 14 matched with the same, the eduction tube cover plate 14 is provided with a small hole and a sealing ring, and the power line 5 penetrates out of the eduction tube 3 through the small hole.

Through boring a plurality of ventages 11 on T type pipe 1, after electrothermal tube 2 ohmic heating in T type pipe 1, utilize the microwave can not pass through the principle of aperture, the microwave can not get into in T type pipe 1, under vacuum state, outside atmospheric pressure is greater than the inside atmospheric pressure of equipment, will be connected with T type pipe 1 and open at the solenoid valve 4 on the takeout tube 3 of microwave vacuum drying equipment outside, receive the effect of equipment internal and external pressure difference, outside air is inhaled in T type pipe 1, blow out via the ventage 11, promote the air flow, material dish 200 that is equipped with the material is placed T type pipe 1 upper portion, can make the auxiliary heating have the dual function that auxiliary heating has and air flow, strengthen the heat transfer effect, promote material drying speed and efficiency, can dry the material to several thousandths of water content, than the percentage position moisture content of current material drying, it is one order of magnitude higher. Meanwhile, in order to prevent the metal sparking phenomenon in the microwave vacuum drying equipment, the T-shaped pipe 1 is tightly connected with the microwave vacuum heater 210, and the metal T-shaped pipe 1 in the microwave vacuum heater 210 only reflects microwaves, does not generate the microwave sparking phenomenon, and can freely extend without deformation in a heated state. Therefore, the utility model has the advantages of heating efficiency is high, easy control temperature, easy installation are maintained, can admit air through the control simultaneously and promote the air flow in the microwave vacuum heater.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a microwave vacuum drying equipment auxiliary heating device which characterized in that: the electric heating tube is arranged in the T-shaped tube, a plurality of small ventilation holes are drilled in the T-shaped tube, the lower end of the T-shaped tube is connected with the fixed flange through a lower flange of the T-shaped tube, and the fixed flange is connected with the lead-out tube; the outlet pipe is provided with a three-way joint, and the electromagnetic valve is connected with the outlet pipe through the three-way joint; the power cord of the electric heating tube penetrates out of the lead-out tube.

2. The auxiliary heating device of the microwave vacuum drying equipment as claimed in claim 1, wherein: the electrothermal tubes are provided with 2 and are respectively arranged at two ends of the T-shaped tube.

3. The auxiliary heating device of the microwave vacuum drying equipment as claimed in claim 1, wherein: the T-shaped pipe is a hollow pipe with a round or square structure.

4. The auxiliary heating device of the microwave vacuum drying equipment as claimed in claim 1, wherein: two ends of the T-shaped pipe are sealed through flange structures, and a T-shaped pipe port flange and a T-shaped pipe port cover plate are arranged.

5. The auxiliary heating device of the microwave vacuum drying equipment as claimed in claim 1, wherein: the position of the power line penetrating out of the outlet pipe is provided with an outlet pipe lower flange and an outlet pipe cover plate which are sealed through a flange structure, the outlet pipe cover plate is provided with a small hole and a sealing ring, and the power line penetrates out of the outlet pipe through the small hole.

6. The auxiliary heating device of the microwave vacuum drying equipment as claimed in claim 1, wherein: the fixed flange and the eduction tube are fixed on the microwave vacuum heater in a welding mode.