CN211451784U - Vacuum drying oven filter equipment - Google Patents

Abstract

The utility model discloses a vacuum drying box filtering device, which relates to the technical field of drying devices. An air intake mechanism is installed on the box, a circulation mechanism is arranged between the air collecting box and the drying box, and a dust filter mechanism located above the mesh basket is arranged in the drying box; the utility model can realize the drying box through the arranged circulation mechanism. The internal moist and hot air circulates through the arc-shaped tube inside the air collecting box, and is then absorbed and removed by drying box I and drying box II, which improves the drying effect and achieves sufficient drying of the materials on the mesh basket. The arc-shaped tube has a high temperature, which can preheat the gas entering the gas collecting box, ensure the stability of the internal temperature of the drying box, and accelerate the volatilization of water. , reduce the failure rate of the drying process.

Description

A vacuum drying oven filter device

technical field

The utility model relates to the technical field of drying devices, in particular to a vacuum drying box filter device.

Background technique

Drying equipment is also called dryer and dryer. The equipment used for drying operation vaporizes and escapes the moisture in the material by heating, so as to obtain the solid material with the specified moisture content. The purpose of drying is for the needs of material use or further processing. For example, the drying of wood before making wooden molds and woodware can prevent product deformation, and the drying of ceramic blanks before calcination can prevent finished products from cracking. In addition, the dried materials are also convenient for transportation and storage, such as drying the harvested grains to below a certain moisture content to prevent mildew. Since natural drying is far from meeting the needs of production development, various mechanized dryers are more and more widely used.

The patent with the authorization announcement number CN206247760 U discloses a vacuum drying box, which includes a drying box body, a vacuum pump and a vacuum pipeline. One end of the vacuum pipeline is communicated with the drying box body, and the other end is communicated with the vacuum pump. A condensed water interlayer is laid on the outer surfaces of both sides of the drying box, the top of the condensed water interlayer is provided with a water outlet, the bottom of the condensed water interlayer is provided with a water inlet, and a conduit is drawn from the lowest part of the bottom of the drying box, The end of the conduit communicates with a recovery tank. Although the device can be used for drying materials, the drying efficiency is low and cannot meet the actual use requirements. Therefore, a vacuum drying box filter device is now provided to solve the above technical problems.

Utility model content

The purpose of this utility model is to provide a vacuum drying oven filter device to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A vacuum drying box filtering device, comprising a drying box, a mesh basket for placing materials is arranged in the drying box, an exhaust fan is installed on the top of the drying box, a valve I is installed on the exhaust fan, and the drying box is connected and installed with a The air collecting box, a valve II is arranged between the air collecting box and the drying box, an air intake mechanism is installed on the air collecting box, a circulation mechanism is arranged between the air collecting box and the drying box, and a The dust filter mechanism above the mesh basket.

As an improvement scheme of the present invention, the air intake mechanism includes a drying box II which is communicated with the inside of the air collecting box, and an exhaust fan II is installed on the drying box II.

As a kind of improvement scheme of the present utility model: the circulation mechanism comprises an exhaust fan I communicating with the drying box, the outlet end of the exhaust fan I is provided with a duct, and an arc-shaped pipe extending into the air collecting box is installed on the duct. A drying box I is installed at the end of the tube.

As an improvement scheme of the present invention, a circulation pipe is arranged between the drying box I and the drying box II, and a one-way valve is installed on the circulation pipe.

As an improvement scheme of the present utility model: the dust filter mechanism includes a dust filter screen plate slidably installed in the drying box, the end of the dust filter screen plate is fixed with a pressure plate, and the outer side wall of the drying box is provided with a slot for the pressure plate to be embedded, and the pressure plate A backing ring sleeved on the end of the dust filter screen plate is fixed on the top.

As an improvement scheme of the present invention, the side wall of the mesh basket is fixed with a sliding block slidingly embedded in the inner wall of the drying box, and the sliding block is rotatably installed with balls.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model can realize that the humid and hot air inside the drying box circulates through the arc-shaped pipe inside the air collecting box through the set circulation mechanism, and is subsequently absorbed and removed by the drying box I and the drying box II, thereby improving the drying effect. To achieve sufficient drying of the materials on the mesh basket, the set arc tube has a high temperature, which can preheat the gas entering the gas collecting box, ensure the stability of the internal temperature of the drying box, and accelerate the volatilization of water. The set dust filter screen plate It can filter the dust in the material to avoid clogging the pipeline and reduce the failure rate of the drying process.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged schematic diagram of A part in Fig. 1;

Fig. 3 is the enlarged schematic diagram of part B in Fig. 1;

4 is a schematic diagram of a partial three-dimensional structure of the present invention.

In the figure: 1-drying box, 2-exhaust fan I, 3-duct, 4-check valve, 5-circulation pipe, 6-drying box I, 7-exhaust fan II, 8-drying box II, 9-arc shape pipe, 10-air collecting box, 11-heating plate, 12-net basket, 13-dust filter screen plate, 14-exhaust fan, 15-valve I, 16-lock stud, 17-card slot, 18- Backing ring, 19-press plate, 20-ball, 21-slider, 22-valve II.

Detailed ways

Below in conjunction with specific embodiment, the technical scheme of this patent is described in further detail:

Example 1

Please refer to Figures 1-4, a vacuum drying box filter device, including a drying box 1, the drying box 1 is provided with a mesh basket 12 for placing materials, an exhaust fan 14 is installed on the top of the drying box 1, and the exhaust fan 14 A valve I15 is installed, a gas collecting box 10 is connected and installed on the drying box 1, a valve II22 is arranged between the gas collecting box 10 and the drying box 1, and an air intake mechanism is installed on the gas collecting box 10, and the gas collecting box is installed. A circulation mechanism is arranged between 10 and the drying box 1, and a dust filter mechanism located above the mesh basket 12 is arranged in the drying box 1.

The drying box 1 in the device is used as a drying place for the materials. The materials are placed on the mesh basket 12, and the exhaust fan 14 is activated to extract the air flow containing water vapor inside the drying box 1, so as to promote the preliminary moisture diffusion and discharge of the materials.

The air intake mechanism of the device includes a drying box II8 that communicates with the inside of the air collecting box 10, an exhaust fan II7 is installed on the drying box II8, and the circulation mechanism includes an exhaust fan I2 that communicates with the drying box 1, and a conduit is installed at the outlet end of the exhaust fan I2 3. An arc-shaped pipe 9 extending into the air collecting box 10 is installed on the conduit 3, a drying box I6 is installed at the end of the arc-shaped pipe 9, and a circulation pipe 5 is arranged between the drying box I6 and the drying box II8. A check valve 4 is installed.

The exhaust fan II7 can extract the outside air. The outside air is dried by the drying box II8 and then enters the drying box 1 through the valve II22. The heating plate 11 heats the air inside the drying box 1, and the rising hot air carries the moisture of the material upwards. The suction fan 12 extracts the rising moist and hot air flow into the arc-shaped pipe 9, and the arc-shaped pipe 9 performs a preheating effect on the air flow inside the air collecting box 10, and then the moist and hot air flow in the arc-shaped pipe 9 enters the drying box 16 for drying. , and enter the drying box II8 through the circulation pipe 5 to achieve the secondary drying effect, which promotes the rapid removal of moisture in the drying box 1 .

Example 2

On the basis of Example 1, in addition, in order to prevent the dust in the material from blocking the pipeline, the device is also provided with a dust filter mechanism, including a dust filter screen plate 13 slidably installed in the drying box 1, and the end of the dust filter screen plate 13 is fixed. There is a pressure plate 19 , and the outer side wall of the drying box 1 is provided with a clamping groove 17 for embedding the pressure plate 19 .

During the process that the water vapor of the materials in the basket 12 rises up with the updraft, the dust filter screen 13 is installed to filter and intercept the floating particles, so as to ensure the normal flow of the airflow, avoid the blockage of the pipes caused by the particles, and ensure the normal progress of the drying process. , the failure rate is greatly reduced, and the dust filter screen plate 13 can be pulled out from the drying box 1, which is convenient for disassembly and regular cleaning.

Further, the side wall of the mesh basket 12 of the device is fixed with a sliding block 21 that is slidably embedded in the inner wall of the drying box 1, the sliding block 21 is rotatably installed with balls 20, and the side wall of the drying box 1 is provided with a hinge door (not shown in the figure). Drawing), by opening the hinge door, the basket 12 can be easily drawn out from the drying box 1, and the balls 20 on the slider 21 are provided in rolling contact with the drying box 1, and the installation and disassembly of the basket 12 is smoother and more convenient.

To sum up, the utility model can realize that the hot and humid air inside the drying box 1 circulates through the arc-shaped pipe 9 inside the air collecting box 10 by the circulation mechanism provided in the present invention, and is then absorbed by the drying box I6 and the drying box II8 for moisture. The removal effect improves the drying effect and achieves sufficient drying of the materials on the mesh basket 12. The set arc-shaped pipe 9 has a higher temperature, which can preheat the gas entering the gas collecting box 10 and ensure the internal temperature of the drying box 1. It is stable and accelerates the volatilization of water. The set dust filter screen plate 13 can filter the dust in the material, avoid blocking the pipeline, and reduce the failure rate of the drying process.

It should be noted that, although this specification is described in terms of embodiments, not every embodiment only includes an independent technical solution. This description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as an independent technical solution. Overall, the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art. The above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the descriptions thereof are more specific and detailed. However, it should not be construed as a limitation on the patent scope of this technical solution. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications, improvements and substitutions can be made, which all belong to the protection scope of the present technical solution. The protection scope of the patent for this technical solution shall be subject to the appended claims.

Claims (6)

1. The utility model provides a vacuum drying oven filter equipment, includes drying cabinet (1), is equipped with basket (12) that are used for placing the material in drying cabinet (1), its characterized in that, air discharge fan (14) are installed at drying cabinet (1) top, install valve I (15) on air discharge fan (14), gas collection box (10) are installed to the intercommunication on drying cabinet (1), are equipped with valve II (22) between gas collection box (10) and drying cabinet (1), install air inlet mechanism on gas collection box (10), be equipped with circulation mechanism between gas collection box (10) and drying cabinet (1), be equipped with the dirt straining device that is located basket (12) top in drying cabinet (1).

2. The vacuum drying oven filter device according to claim 1, characterized in that the air inlet mechanism comprises a drying oven II (8) communicated with the inside of the air collecting box (10), and an exhaust fan II (7) is installed on the drying oven II (8).

3. The vacuum drying oven filtering device is characterized in that the circulating mechanism comprises an exhaust fan I (2) communicated with the drying oven (1), a guide pipe (3) is installed at the outlet end of the exhaust fan I (2), an arc-shaped pipe (9) extending into a gas collecting box (10) is installed on the guide pipe (3), and the drying oven I (6) is installed at the tail end of the arc-shaped pipe (9).

4. The vacuum drying oven filter device according to claim 2, characterized in that a circulation pipe (5) is arranged between the drying oven I (6) and the drying oven II (8), and a one-way valve (4) is mounted on the circulation pipe (5).

5. The vacuum drying oven filtering device according to claim 1, wherein the dust filtering mechanism comprises a dust filtering screen (13) slidably mounted in the drying oven (1), a pressing plate (19) is fixed at an end of the dust filtering screen (13), a clamping groove (17) for embedding the pressing plate (19) is formed in the outer side wall of the drying oven (1), and a backing ring (18) sleeved at the end of the dust filtering screen (13) is fixed on the pressing plate (19).

6. The vacuum drying oven filter device according to claim 1, characterized in that the side wall of the mesh basket (12) is fixed with a slide block (21) which is embedded in the inner wall of the drying oven (1) in a sliding way, and the slide block (21) is rotatably provided with a ball (20).

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