CN216977333U - Vacuum drying device - Google Patents

Abstract

The utility model relates to a vacuum drying device, which is used for drying materials and comprises: the drying device comprises a box body, a drying chamber and an air supplementing port, wherein one end of the air supplementing port is communicated with air supplementing equipment; the box door can be communicated with the drying cavity in an openable and closable manner; air supplying pipe; the air supplementing pipe is located in the drying cavity, one end of the air supplementing pipe is communicated with the air supplementing port, and the other end of the air supplementing pipe is close to the bottom wall of the drying cavity relative to the top wall of the box body along the height direction of the box body. Because the one end of tonifying qi pipe is close to the diapire setting of drying chamber, consequently can increase the gas mobility of box lower part in the tonifying qi in-process to rise gradually, be favorable to improving the drying efficiency of materials such as medicinal material. And the setting of air supplement pipe can avoid communicating with each other with sewage pipes, never avoids sewage gathering to cause microbial contamination at the tonifying qi mouth, guarantees vacuum drying device's use reliability.

Description

Vacuum drying device

Technical Field

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

Background

With the development of the industrialized technology, a vacuum drying technology appears for the processing of medicinal materials, a vacuum dryer is specially designed for drying easily decomposed and easily oxidized substances, particularly, articles with complex components can be quickly dried, the vacuum dryer can be used for dehydrating and drying materials with high added value and heat sensitivity, such as agricultural and sideline products, health care products, food, medicinal materials, fruits and vegetables, chemical raw materials and the like, and can also be used for low-temperature concentration of chemical products, removal of crystal water, drying of enzyme preparations and vacuum extraction of Chinese herbal medicines.

Among the conventional art, square vacuum drying machine is often in traditional chinese medicine extract drying process, including dry box, there are hot plate (steam heating) and material tray inside the box, and there is the evacuation mouth dry box top, connects the evacuation pump through the evacuation pipeline, is provided with the tonifying qi mouth on the dry box lateral wall, external filtration formula respirator. However, in the existing square vacuum drying machine, the air supplementing port is located in the middle of the side face of the box body, and when the number of layers of the tray is large and the interlayer spacing is small, the lower half part in the box bottom has poor gas mobility, so that the drying efficiency of the medicine is influenced. In addition, the air supplementing port of part of the square vacuum dryer is arranged at the bottom of the box body and is communicated with a sewage discharge pipeline, so that sewage is easy to accumulate to cause microbial pollution.

SUMMERY OF THE UTILITY MODEL

Based on this, need overcome prior art's defect, provide a vacuum drying device, can effectively improve the mobility of the whole gas in the box, guarantee medicine drying efficiency.

The technical scheme is as follows: a vacuum drying apparatus for drying material, comprising: the box body is provided with a drying cavity and an air supplement port, and one end of the air supplement port is communicated with air supplement equipment; the box door can be communicated with the drying cavity in an opening and closing manner; a gas supplementing pipe; the air supplement pipe is located in the drying cavity, one end of the air supplement pipe is communicated with the air supplement port, and the other end of the air supplement pipe is close to the bottom wall of the drying cavity relative to the top wall of the box body along the height direction of the box body.

In the use process of the vacuum drying device, firstly, the box door is opened, and an article to be dried is placed in the drying cavity; then, closing the box door, starting a vacuum drying device, and drying the material; then, start air supplement unit, gaseous process tonifying qi mouth enters into the tonifying qi pipe, discharges from the one end of tonifying qi pipe, because the one end of tonifying qi pipe is close to the diapire setting of drying chamber, consequently can increase the gas mobility of box lower part at the tonifying qi in-process to rise gradually, be favorable to improving the drying efficiency of materials such as medicinal material. And the air supplement pipe can be prevented from being communicated with a sewage discharge pipeline, so that the microbial pollution caused by the gathering of sewage at the air supplement port is never avoided, and the use reliability of the vacuum drying device is ensured.

In one embodiment, the air supply pipe is provided with an air outlet which is obliquely arranged relative to the bottom wall of the drying cavity towards the side wall of the drying cavity or the top wall of the drying cavity.

In one embodiment, the air outlet is arranged far away from the box door relative to the side wall of the drying chamber along the width direction of the box body.

In one embodiment, the air supplement port is arranged on the side wall of the box body, and one end of the air supplement pipe is in sealing fit with the air supplement port.

In one embodiment, the vacuum drying device further comprises a heating plate, the heating plate is located in the drying cavity, and the heating plate is used for heating and drying the materials.

In one embodiment, the number of the heating plates is more than two, and the two heating plates are arranged at intervals along the height direction of the box body.

In one embodiment, the vacuum drying device further comprises a temperature measuring part, the temperature measuring part is located in the drying cavity, and the minimum distance between the temperature measuring part and a heating plate closest to the top wall of the drying cavity is 0.5 cm-2 cm.

In one embodiment, the box body is further provided with a sewage draining outlet, the sewage draining outlet is located on the bottom wall of the box body along the height direction of the box body and is communicated with the drying cavity, and the sewage draining outlet is used for draining sewage in the drying cavity.

In one embodiment, the box body is further provided with a vacuumizing port, the vacuumizing port is located on the top wall of the box body along the height direction of the box body, the vacuumizing port is communicated with the drying cavity, and the vacuumizing port is used for being communicated with vacuumizing equipment.

In one embodiment, the box body is further provided with a steam inlet and a steam outlet, the steam inlet is arranged on the top wall of the box body along the height direction of the box body, the steam outlet is arranged on the bottom wall of the box body, the steam inlet and the steam outlet are both communicated with the drying cavity, and the steam inlet is used for being communicated with steam equipment.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a vacuum drying apparatus according to an embodiment;

fig. 2 is a schematic view of an internal structure of the vacuum drying apparatus according to an embodiment.

Description of reference numerals:

100. a vacuum drying device; 110. a box body; 111. a drying chamber; 112. an air supplement port; 113. a sewage draining outlet; 114. a vacuum pumping port; 115. a steam inlet; 116. a steam outlet; 120. a box door; 130. a gas supplementing pipe; 131. an air outlet; 140. heating plates; 150. and a temperature measuring part.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

Referring to fig. 1 to 2, fig. 1 is a schematic structural diagram illustrating a vacuum drying apparatus 100 according to an embodiment of the present invention; fig. 2 is a schematic diagram illustrating an internal structure of a vacuum drying apparatus 100 according to an embodiment of the present invention, and the vacuum drying apparatus 100 according to an embodiment of the present invention is used for drying materials, and includes: a box body 110, a box door 120 and an air supplement pipe 130. The box body 110 is provided with a drying cavity 111 and an air supplement port 112, and one end of the air supplement port 112 is used for being communicated with air supplement equipment; the door 120 is openably and closably connected to the drying chamber 111. The air supply pipe 130 is located in the drying cavity 111, one end of the air supply pipe 130 is communicated with the air supply port 112, and the other end of the air supply pipe 130 is arranged close to the bottom wall of the drying cavity 111 relative to the top wall of the box body 110 along the height direction of the box body 110.

In the use process of the vacuum drying apparatus 100, firstly, the door 120 is opened, and the object to be dried is placed in the drying chamber 111; then, the door 120 is closed, and the vacuum drying device 100 is started to dry the material; then, start tonifying qi equipment, gaseous process tonifying qi mouth 112 enters into tonifying qi pipe 130, discharges from the one end of tonifying qi pipe 130, because the one end of tonifying qi pipe 130 is close to the diapire setting of drying chamber 111, consequently can increase the gas mobility of box 110 lower part at the tonifying qi in-process to rise gradually, be favorable to improving the drying efficiency of materials such as medicinal material. And the air supplement pipe 130 can avoid communicating with a sewage discharge pipeline, so that the sewage is never prevented from gathering at the air supplement port 112 to cause microbial pollution, and the use reliability of the vacuum drying device 100 is ensured.

To further understand and explain the height direction of the box 110, taking fig. 1 as an example, the height direction of the box 110 is the straight line S in fig. 1₁In the direction indicated by any of the above arrows.

Wherein the material can be agricultural and sideline products, health products, food, medicinal materials, Chinese medicinal extract, fruits and vegetables, and chemical raw materials waiting for drying.

In one embodiment, referring to fig. 2, the air supply pipe 130 is provided with an air outlet 131, and the air outlet 131 is disposed in an inclined manner toward a side wall of the drying chamber 111 or a top wall of the drying chamber 111 relative to a bottom wall of the drying chamber 111. So, can guarantee the tonifying qi efficiency, improve the drying efficiency of material.

Specifically, referring to fig. 2, the air outlet 131 is disposed toward the top wall of the drying chamber 111. So for the air supplement pipe 130 can supply air upwards, further improve air supplement efficiency, guarantee the drying efficiency of material. The present embodiment provides only a specific orientation of the air outlet 131, but not limited thereto.

In one embodiment, referring to fig. 2, the air outlet 131 is disposed away from the door 120 relative to the sidewall of the drying chamber 111 along the width direction of the box 110. So, can make during the tonifying qi gas from the well back position blowout of dry chamber 111, improve the gas mobility of the half in the box 110, improve the drying efficiency of materials such as medicinal material.

In order to further understand and explain the width direction of the box 110, fig. 2 is taken as an example, and the width direction of the box 110 is a straight line S in fig. 2₂In the direction indicated by any of the above arrows.

Alternatively, the air supplement port 112 may be provided on the top wall of the case 110, the circumferential side wall of the case 110, and the bottom wall of the case 110.

Specifically, referring to fig. 2, the air supplement port 112 is disposed on the sidewall of the box body 110, and one end of the air supplement pipe 130 is in sealing fit with the air supplement port 112. So, make things convenient for original square vacuum drying oven's transformation on the one hand, need not to adjust the position of tonifying qi mouth 112, on the other hand is favorable to improving the connection convenience of tonifying qi equipment, and then improves vacuum drying device 100's convenience of use.

In another embodiment, the air supplement port 112 is disposed on a bottom wall (not shown) of the box body 110, and the air supplement pipe 130 extends along a height direction of the box body 110. Therefore, the air outlet 131 can be prevented from being communicated with a sewage discharge pipeline so as to accumulate sewage to cause microbial pollution.

In one embodiment, referring to fig. 2, the vacuum drying apparatus 100 further includes a heating plate 140, the heating plate 140 is located in the drying chamber 111, and the heating plate 140 is used for heating the drying material. Thus, the material is placed on the heating plate 140, the operation convenience of material drying can be improved, and the use experience of the vacuum drying device 100 is improved.

Further, referring to fig. 2, there are more than two heating plates 140, and the more than two heating plates 140 are spaced apart along the height direction of the box 110. Like this, can improve vacuum drying device 100's capacity, and then a large amount of materials carry out the drying heating simultaneously, improve material drying's efficiency.

In one embodiment, referring to fig. 1 and 2, the vacuum drying apparatus 100 further includes a temperature measuring member 150, the temperature measuring member 150 is located in the drying chamber 111, and a minimum distance between the temperature measuring member 150 and a heating plate 140 closest to a top wall of the drying chamber 111 is 0.5cm to 2 cm. Specifically, the temperature measuring member 150 is spaced apart from one heating plate 140 closest to the top wall of the drying chamber 111 by a minimum distance of 1 cm. Therefore, the temperature value near the heating plate 140 can be accurately measured, so that the heated drying degree of materials such as traditional Chinese medicine extract can be accurately reflected, the quality risk of the medicine materials of heat-sensitive varieties can be reduced, and the drying quality of the real start-up drying device can be improved.

Alternatively, the temperature measurement member 150 may be a thermometer, an infrared temperature sensor, a temperature probe, or other temperature measurement device.

Specifically, referring to fig. 1 and 2, the temperature measuring member 150 is a temperature probe. Further, a stainless steel sleeve is arranged around the temperature probe. Thus, the temperature measurement effect is improved, the service life of the temperature measurement member 150 is prolonged, and the overall quality of the vacuum drying apparatus 100 is never improved.

In one embodiment, referring to fig. 1 and 2, the box 110 is further provided with a sewage draining outlet 113. Along the direction of height of box 110, drain 113 is located the diapire of box 110, and drain 113 and dry chamber 111 intercommunication, and drain 113 is used for the blowdown to dry chamber 111. Thus, through the arrangement of the sewage outlet 113, sewage and dirt in the drying chamber 111 can be discharged, the cleanness of the environment in the box body 110 is ensured, and the use convenience of the vacuum drying device 100 is improved.

In one embodiment, referring to fig. 1 and 2, the box 110 is further provided with a vacuum port 114. Along the height direction of the box body 110, the vacuum port 114 is located on the top wall of the box body 110, the vacuum port 114 is communicated with the drying chamber 111, and the vacuum port 114 is used for being communicated with a vacuum device. Thus, the vacuumizing port 114 formed in the top wall of the box body 110 can be conveniently communicated with vacuumizing equipment, and can prevent materials from falling into the vacuumizing port 114 to block and damage the vacuumizing equipment, so that the overall quality and the use reliability of the vacuum drying device 100 are improved.

In one embodiment, referring to fig. 1 and 2, the box body 110 is further provided with a steam inlet 115 and a steam outlet 116. Along the direction of height of box 110, steam inlet 115 sets up on the roof of box 110, and steam outlet 116 sets up on the diapire of box 110, and steam inlet 115 all communicates with drying chamber 111 with steam outlet 116, and steam inlet 115 is used for communicating with steam equipment. So, can improve the heat exchange efficiency of steam, avoid steam to flow upwards along with the pipeline, and then improve the drying efficiency of material.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. 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. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A vacuum drying device for drying materials, characterized in that, the vacuum drying device includes:

the box body is provided with a drying cavity and an air supplement port, and one end of the air supplement port is communicated with air supplement equipment;

the box door can be communicated with the drying cavity in an opening and closing manner;

a gas supplementing pipe; the air supplementing pipe is located in the drying cavity, one end of the air supplementing pipe is communicated with the air supplementing port, and the other end of the air supplementing pipe is close to the bottom wall of the drying cavity relative to the top wall of the box body along the height direction of the box body.

2. The vacuum drying device according to claim 1, wherein the air supply pipe is provided with an air outlet which is inclined relative to the bottom wall of the drying chamber toward the side wall of the drying chamber or the top wall of the drying chamber.

3. The vacuum drying apparatus according to claim 2, wherein the air outlet is disposed away from the door with respect to a side wall of the drying chamber in a width direction of the cabinet.

4. The vacuum drying apparatus according to claim 2, wherein the air supply port is provided on a side wall of the box body, and one end of the air supply pipe is in sealing engagement with the air supply port.

5. The vacuum drying apparatus of any one of claims 1 to 4, further comprising a heating plate located within the drying chamber, the heating plate being configured to heat the drying material.

6. The vacuum drying apparatus according to claim 5, wherein the number of the heating plates is two or more, and the two or more heating plates are arranged at intervals in a height direction of the cabinet.

7. The vacuum drying apparatus of claim 6, further comprising a temperature measuring member, wherein the temperature measuring member is located in the drying chamber, and a minimum distance between the temperature measuring member and a heating plate closest to a top wall of the drying chamber is 0.5cm to 2 cm.

8. The vacuum drying device as claimed in claim 1, wherein the box body is further provided with a drain outlet, the drain outlet is located on the bottom wall of the box body along the height direction of the box body, the drain outlet is communicated with the drying cavity, and the drain outlet is used for draining the drying cavity.

9. The vacuum drying device according to claim 1, wherein the box body is further provided with a vacuum port, the vacuum port is located on a top wall of the box body in a height direction of the box body, the vacuum port is communicated with the drying cavity, and the vacuum port is used for being communicated with a vacuum device.

10. The vacuum drying device according to claim 1, wherein the box body is further provided with a steam inlet and a steam outlet, the steam inlet is arranged on the top wall of the box body, the steam outlet is arranged on the bottom wall of the box body, the steam inlet and the steam outlet are both communicated with the drying cavity, and the steam inlet is used for being communicated with a steam device.

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