CN117367040A - Processing device for freeze drying of traditional Chinese medicinal materials - Google Patents

Processing device for freeze drying of traditional Chinese medicinal materials Download PDF

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Publication number
CN117367040A
CN117367040A CN202311452864.2A CN202311452864A CN117367040A CN 117367040 A CN117367040 A CN 117367040A CN 202311452864 A CN202311452864 A CN 202311452864A CN 117367040 A CN117367040 A CN 117367040A
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CN
China
Prior art keywords
drying
tray
pipe
freeze
processing device
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Pending
Application number
CN202311452864.2A
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Chinese (zh)
Inventor
杜雅娟
刘鹏伟
王新建
包慧琴
王爱红
徐璐
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Gansu Institute For Drug Control
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Gansu Institute For Drug Control
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gansu Institute For Drug Control filed Critical Gansu Institute For Drug Control
Priority to CN202311452864.2A priority Critical patent/CN117367040A/en
Publication of CN117367040A publication Critical patent/CN117367040A/en
Priority to JP2024003659A priority patent/JP7468961B1/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/06Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • F26B25/14Chambers, containers, receptacles of simple construction
    • F26B25/18Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The application provides a processing device for freeze drying of traditional Chinese medicinal materials, which belongs to the technical field of traditional Chinese medicinal material processing. The processing device for freeze drying of the traditional Chinese medicinal materials comprises a drying box, a tray and a refrigerant conveying pipe. The tray is slidably arranged in the drying box, hollow plate bodies are arranged on the upper end face of the tray at intervals, connecting pipes are communicated between the hollow plate bodies, and the bottom ends of the connecting pipes are communicated with upper round pipes; the refrigerant conveying pipe is arranged in the drying box, the refrigerant conveying pipe is communicated with a lower circular pipe, a pipe joint is arranged at the top end of the lower circular pipe, and the upper circular pipe is sleeved on the surface of the pipe joint. This application sets up the cavity plate body through the surface interval at the tray to will wait to freeze-drying's chinese-medicinal material to place between two adjacent cavity plate bodies, utilize the refrigerant in the cavity plate body to freeze from the both sides of chinese-medicinal material, improve refrigerated effect greatly, effectually reduced process time, improved the efficiency of processing.

Description

Processing device for freeze drying of traditional Chinese medicinal materials
Technical Field
The application relates to the field of traditional Chinese medicine processing, in particular to a processing device for freeze drying of traditional Chinese medicine.
Background
In the processing process of Chinese medicinal materials such as Chinese angelica, the traditional fumigation and sulfuration drying method can better preserve the effective components of the medicinal materials, but can cause the exceeding of sulfur dioxide in the medicinal materials, seriously affect the quality and quality of the Chinese medicinal materials, and has short storage time, while the vacuum freezing processing technology of the Chinese medicinal materials can preserve the activities of various medicinal and nutritional components such as ferulic acid, polysaccharide, volatile oil and the like in the medicinal materials to the maximum extent, better maintain the appearance quality, color and smell of the medicinal materials, thoroughly dehydrate, and have long storage time and incomparable superiority of other drying technologies.
When the Chinese medicinal materials such as Chinese angelica are frozen, the Chinese medicinal materials such as Chinese angelica are sliced and then placed in a tray, and then are put into a freeze drying device for freeze drying treatment, so that the freeze drying device is inconvenient to freeze-dry the two sides of the Chinese medicinal materials at the same time, and the processing efficiency is low.
Disclosure of Invention
In order to make up for the defects, the application provides a processing device for freeze drying of traditional Chinese medicinal materials, and aims to solve the problem of low processing efficiency.
The embodiment of the application provides a processing device for freeze drying of traditional Chinese medicinal materials, which comprises a drying box, a tray and a refrigerant conveying pipe. The tray is slidably arranged in the drying box, hollow plate bodies are arranged on the upper end face of the tray at intervals, connecting pipes are communicated between the hollow plate bodies, and the bottom ends of the connecting pipes are communicated with upper round pipes; the refrigerant conveying pipe is arranged in the drying box, the refrigerant conveying pipe is communicated with a lower circular pipe, a pipe joint is arranged at the top end of the lower circular pipe, and the upper circular pipe is sleeved on the surface of the pipe joint.
In the realization process, the traditional Chinese medicinal materials such as angelica sinensis and the like are sliced and placed between two adjacent hollow plate bodies on the surface of the tray, the refrigerant medium is conveyed into the refrigerant conveying pipe, and enters the connecting pipe through the lower circular pipe, the pipe joint and the upper circular pipe and then is conveyed into the hollow plate body, so that the flaky traditional Chinese medicinal materials located between the two hollow plate bodies can be frozen and dried by the refrigerant medium, and the flaky traditional Chinese medicinal materials are located between the two hollow plate bodies, so that the refrigerant medium can freeze the flaky traditional Chinese medicinal materials from two sides, the freezing effect is improved, the drying rate is greatly improved, the processing time is effectively shortened, and the processing efficiency is improved.
In a specific embodiment, one side of the drying oven is hollowed out, and a door is installed on the hollowed-out side of the drying oven.
In the implementation process, the box door is arranged, so that the hollow side of the drying box is sealed, after the drying box is sealed, the interior of the drying box can be vacuumized by using equipment such as a vacuum generator, and the freeze drying of traditional Chinese medicinal materials is facilitated.
In a specific embodiment, the protrusions are arranged on the periphery of the tray, the protrusions are arranged on the inner wall of the drying box, and the protrusions on the periphery of the tray are arranged on the surfaces of the protrusions.
In the implementation process, the lug is arranged and used for supporting the bulges around the tray, so that the tray is erected in the drying box.
In a specific embodiment, the hollow plate bodies are inclined at the upper end face of the tray, and a placing groove is formed between the hollow plate bodies.
In the realization process, the hollow plate body is obliquely arranged on the surface of the tray, and compared with the vertical arrangement, the height of the hollow plate body and the whole height of the tray can be effectively reduced, so that the hollow plate body is more beneficial to the use in narrow workpieces.
In a specific embodiment, the connecting pipe is a square pipe, and the end of the connecting pipe is closed.
In the implementation process, the end part is closed, so that the refrigerant medium can be prevented from flowing out of the end part of the connecting pipe.
In a specific embodiment, the connecting tube is located at the bottom end of the hollow plate body, and the upper end face of the connecting tube is fixedly connected with the lower end face of the tray.
In the realization process, the connecting pipe can support the tray, and the compression resistance of the tray is improved.
In a specific embodiment, the upper circular tube, the lower circular tube and the pipe joint are coaxially arranged.
In a specific embodiment, the system further comprises a refrigeration system, wherein the refrigeration system is connected with the refrigerant conveying pipe.
In the implementation process, a refrigerating system is arranged and used for refrigerating the refrigerant medium in the refrigerant conveying pipe.
In a specific embodiment, the refrigeration system includes a circulation pump and a refrigerator, two refrigerant delivery pipes are provided, and the two refrigerant delivery pipes are respectively connected to an output end and an input end of the circulation pump, and the refrigerator is connected to one of the refrigerant delivery pipes.
In the implementation process, the circulating pump is arranged for circulating and conveying the refrigerant medium, so that the refrigerant medium is more beneficial to use.
In a specific embodiment, the lower end face of the tray is provided with two connecting pipes, the two connecting pipes are respectively communicated with the corresponding refrigerant conveying pipes, and the refrigerator is a semiconductor refrigerator.
In the implementation process, two connecting pipes are arranged, so that the circulating conveying of the refrigerant medium is facilitated.
In a specific embodiment, the pipe joint is a cylindrical pipe with a large middle diameter and small diameters at two ends, the pipe joint is rotationally connected with the lower circular pipe, an annular protruding part is arranged at the lower end part of the pipe joint and is rotationally clamped in the lower circular pipe, a first baffle is fixedly arranged in the lower circular pipe, a second baffle is arranged at the bottom end of the pipe joint, the first baffle and the second baffle are semicircular plates, and the upper end face of the first baffle and the lower end face of the second baffle are in sealing fit.
In the realization process, through rotating the pipe joint, the second baffle is driven to rotate, so that the second baffle and the first baffle are staggered, the semicircular first baffle and second baffle can be respectively positioned at two sides of the inner part of the lower circular pipe, the first baffle and the second baffle can block the flow of the refrigerant medium, and then the possibility of refrigerant medium leakage can be effectively avoided after the upper circular pipe is taken down from the surface of the pipe joint.
In a specific embodiment, the pipe body of the upper circular pipe is provided with a limiting block, the surface of the limiting block is sleeved with an arc-shaped plate, the outer wall of the limiting block is in clearance fit with the inner wall of the arc-shaped plate, the bottom end of the arc-shaped plate is fixedly connected with the middle part of the pipe joint, and the top end of the arc-shaped plate is provided with a limiting plate corresponding to the limiting block.
In the realization process, after the upper circular tube is sleeved on the surface of the pipe joint, the pipe joint is rotated, the arc plate on the surface of the pipe joint drives the limiting plate to move, the arc plate can be sleeved on the surface of the limiting block on the outer wall of the upper circular tube, the limiting plate can move to the upper part of the limiting block, the second baffle at the bottom end of the pipe joint can move to the upper part of the first baffle, the second baffle and the first baffle are overlapped, a refrigerant medium conveyed by the refrigerant conveying pipe can be conveyed into the pipe joint through the lower circular tube and enter the upper circular tube, and the limiting plate can limit the movement of the limiting block, so that the possibility that the upper circular tube falls off from the surface of the pipe joint under the impact of the refrigerant medium is avoided.
In a specific embodiment, the upper end surface of the limiting block is attached to the lower end surface of the limiting plate.
In a specific embodiment, the sliding cover plate is arranged in the connecting pipe in a sliding manner, the sliding cover plate is located right above the upper circular pipe, a spring is arranged between the upper end face of the sliding cover plate and the inner top end of the connecting pipe, the lower end face of the sliding cover plate is in sealing fit with the top end of the upper circular pipe, and a pushing block corresponding to the sliding cover plate is arranged at the top end of the pipe joint.
In the implementation process, after the upper circular tube is sleeved on the surface of the pipe joint, the push block at the top end of the pipe joint can push the sliding cover plate to move, so that the sliding cover plate is separated from the top end of the upper circular tube, the sliding cover plate can squeeze the spring, and a refrigerant medium can enter the upper circular tube through the pipe joint;
after the upper circular tube is taken down from the surface of the pipe joint, the sliding cover plate moves downwards to the top end of the upper circular tube under the support of the spring, the top end of the upper circular tube is sealed, the discharge of the freezing medium in the connecting tube can be avoided, and the possibility of leakage of the freezing medium is reduced.
In a specific embodiment, the lower end face of the sliding cover plate is provided with a guide block, the inner wall of the upper circular tube is provided with a groove matched with the guide block, the lower end part of the guide block is slidably inserted into the groove of the inner wall of the guide block, and the central part of the pipe joint is in sealing fit with the bottom end of the upper circular tube.
In the implementation process, the upper round tube can limit the moving range of the sliding cover plate by limiting the moving range of the guide block, so that the sliding cover plate can move more stably.
The beneficial effects are that: the application provides a chinese-medicinal material freeze-drying's processingequipment through setting up the cavity plate body at the surface interval of tray to will wait to freeze-drying's chinese-medicinal material and place between two adjacent cavity plate bodies, utilize the refrigerant in the cavity plate body to freeze from the both sides of chinese-medicinal material, improve refrigerated effect greatly, effectually reduced process time, improved the efficiency of processing.
When adopting detachable pipeline to carry refrigerant medium, the pipeline dismantles the back, and the conveying pipeline is inconvenient to seal, appears the phenomenon that refrigerant medium revealed easily, is unfavorable for the use.
The pipe joint is rotated to drive the second baffle to rotate, so that the second baffle and the first baffle are staggered, the semicircular first baffle and second baffle are respectively positioned at two sides of the inner part of the lower circular pipe, the lower circular pipe can be blocked by the first baffle and the second baffle, the first baffle and the second baffle can obstruct the flow of a refrigerant medium, and then the possibility of leakage of the refrigerant medium can be effectively avoided after the upper circular pipe is taken down from the surface of the pipe joint;
and after the upper circular tube is sleeved on the surface of the pipe joint, the pipe joint is rotated, the arc plate on the surface of the pipe joint drives the limiting plate to move, the arc plate can be sleeved on the surface of the limiting block on the outer wall of the upper circular tube, the limiting plate can move to the upper part of the limiting block, the second baffle at the bottom end of the pipe joint can move to the upper part of the first baffle, the second baffle and the first baffle are overlapped, the refrigerant medium conveyed by the refrigerant conveying pipe can be conveyed into the pipe joint through the lower circular tube and enter the upper circular tube, and the limiting plate can limit the movement of the limiting block, so that the possibility that the upper circular tube falls off from the surface of the pipe joint under the impact of the refrigerant medium is avoided.
When the tray is used as a carrier and a freezing structure is arranged on the surface of the tray, although the traditional Chinese medicine materials can be well frozen, after the freezing structure is separated from a refrigerant conveying pipeline, the port of the freezing structure is inconvenient to close, the leakage phenomenon of refrigerant media can occur, and the use is not facilitated.
After the upper circular tube is sleeved on the surface of the pipe joint, the push block at the top end of the pipe joint can push the sliding cover plate to move, so that the sliding cover plate is separated from the top end of the upper circular tube, the sliding cover plate can squeeze the spring, and a refrigerant medium can enter the upper circular tube through the pipe joint;
after the upper circular tube is taken down from the surface of the pipe joint, the sliding cover plate moves downwards to the top end of the upper circular tube under the support of the spring, the top end of the upper circular tube is sealed, the discharge of the freezing medium in the connecting tube can be avoided, and the possibility of leakage of the freezing medium is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a processing device for freeze-drying of Chinese medicinal materials according to an embodiment of the present application;
fig. 2 is a schematic diagram of a connection structure of a drying oven and a tray according to an embodiment of the present application;
fig. 3 is a schematic diagram of an internal structure of a drying oven according to an embodiment of the present application;
fig. 4 is a schematic diagram of a connection structure between a hollow plate body and a refrigeration system according to an embodiment of the present application;
fig. 5 is a schematic diagram of a connection structure between a connecting pipe and a refrigerant conveying pipe according to an embodiment of the present disclosure;
fig. 6 is a schematic view of the internal structure of a connecting pipe according to an embodiment of the present application;
fig. 7 is a schematic diagram of a connecting structure of a connecting pipe and a lower circular pipe according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a pipe joint according to an embodiment of the present application.
In the figure: 100-drying box; 110-bump; 200-trays; 210-a hollow plate body; 220-connecting pipes; 230-upper round tube; 231-limited block; 300-refrigerant conveying pipe; 310-lower round tube; 311-a first baffle; 320-pipe joint; 321-annular projections; 322-a second baffle; 330-arc plate; 340-limiting plates; 350-pushing block; 400-refrigeration system; 410-a circulation pump; 420-refrigerator; 500-sliding cover plate; 510-guide blocks.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Referring to fig. 1-8, the present application provides a processing device for freeze drying of Chinese medicinal materials, which includes a drying oven 100, a tray 200 and a refrigerant conveying pipe 300. Wherein, the tray 200 and the refrigerant conveying pipe 300 are both disposed in the drying oven 100.
The tray 200 is slidably mounted in the drying oven 100, the hollow plate bodies 210 are mounted on the upper end surface of the tray 200 at intervals, connecting pipes 220 are communicated between the hollow plate bodies 210, and upper round pipes 230 are communicated with the bottom ends of the connecting pipes 220;
the refrigerant conveying pipe 300 is installed inside the drying oven 100, the refrigerant conveying pipe 300 is communicated with a lower circular pipe 310, a pipe joint 320 is arranged at the top end of the lower circular pipe 310, and the upper circular pipe 230 is sleeved on the surface of the pipe joint 320.
In the above implementation process, the Chinese medicinal materials such as angelica are sliced and then placed between two adjacent hollow plate bodies 210 on the surface of the tray 200, and the refrigerant medium is conveyed into the refrigerant conveying pipe 300, and then enters the connecting pipe 220 through the lower circular pipe 310, the pipe joint 320 and the upper circular pipe 230 and is conveyed into the hollow plate bodies 210, so that the sheet Chinese medicinal materials located between the two hollow plate bodies 210 can be frozen and dried, and the sheet Chinese medicinal materials are located between the two hollow plate bodies 210, so that the refrigerant medium can freeze the sheet Chinese medicinal materials from two sides, the freezing effect is improved, the drying rate is greatly improved, the processing time is effectively reduced, and the processing efficiency is improved.
In a specific embodiment, one side of the drying oven 100 is hollowed out, and a door is installed on the hollowed-out side of the drying oven 100.
In the implementation process, the box door is arranged, so that the hollow side of the drying box 100 is sealed, after the drying box 100 is sealed, the interior of the drying box 100 can be vacuumized by using equipment such as a vacuum generator, and the freeze drying of traditional Chinese medicinal materials is facilitated.
In a specific embodiment, protrusions are provided around the tray 200, the protrusions 110 are mounted on the inner wall of the drying oven 100, and the protrusions around the tray 200 are placed on the surfaces of the protrusions 110.
In the above-described implementation, the protrusions 110 are provided to support the protrusions around the tray 200, thereby erecting the tray 200 in the drying oven 100.
In a specific embodiment, the hollow plate bodies 210 are inclined at the upper end surface of the tray 200, and a placement groove is formed between the hollow plate bodies 210.
In the above implementation process, the hollow plate body 210 is obliquely arranged on the surface of the tray 200, so that the overall height of the hollow plate body 210 and the tray 200 can be effectively reduced compared with that of the vertical arrangement, and the hollow plate body is more beneficial to being used in narrow workpieces.
In a specific embodiment, the connecting tube 220 is a square tube, and the ends of the connecting tube 220 are closed.
In the above implementation, the end portions are closed, so that the refrigerant medium is prevented from flowing out from the end portions of the connecting pipe 220.
In a specific embodiment, the connecting tube 220 is located at the bottom end of the hollow plate body 210, and the upper end surface of the connecting tube 220 is fixedly connected with the lower end surface of the tray 200.
In the above implementation process, the connecting pipe 220 can support the tray 200, so as to improve the compression resistance of the tray 200.
In a specific embodiment, the upper circular tube 230, the lower circular tube 310 and the tube joint 320 are coaxially disposed therebetween.
In a specific embodiment, the refrigeration system 400 is further included, and the refrigeration system 400 is connected to the refrigerant conveying pipe 300.
In the above implementation, the refrigeration system 400 is provided to freeze the refrigerant medium in the refrigerant conveying pipe 300.
In a specific embodiment, the refrigeration system 400 includes a circulation pump 410 and a refrigerator 420, two refrigerant delivery pipes 300 are provided, and the two refrigerant delivery pipes 300 are respectively connected to an output end and an input end of the circulation pump 410, and the refrigerator 420 is connected to one of the refrigerant delivery pipes 300.
In the above implementation process, the circulation pump 410 is provided for circulating and conveying the refrigerant medium, which is more beneficial to the use of the refrigerant medium.
In a specific embodiment, the lower end surface of the tray 200 has two connecting pipes 220, and the two connecting pipes 220 are respectively communicated with the corresponding refrigerant conveying pipes 300, and the refrigerator 420 is a semiconductor refrigerator.
In the above implementation process, two connecting pipes 220 are provided, which is beneficial to the circulation and transportation of the refrigerant medium.
When adopting detachable pipeline to carry refrigerant medium, the pipeline dismantles the back, and the conveying pipeline is inconvenient to seal, appears the phenomenon that refrigerant medium revealed easily, is unfavorable for the use.
In a specific embodiment, the pipe joint 320 is a cylindrical pipe with a large middle diameter and small diameters at two ends, the pipe joint 320 is rotationally connected with the lower circular pipe 310, the lower end part of the pipe joint 320 is provided with an annular protruding part 321, the annular protruding part 321 is rotationally clamped inside the lower circular pipe 310, a first baffle 311 is fixedly installed inside the lower circular pipe 310, a second baffle 322 is installed at the bottom end of the pipe joint 320, the first baffle 311 and the second baffle 322 are semicircular plates, and the upper end face of the first baffle 311 is in sealing fit with the lower end face of the second baffle 322.
In the above implementation process, the second baffle 322 is driven to rotate by rotating the pipe joint 320, so that the second baffle 322 and the first baffle 311 are staggered, the semicircular first baffle 311 and second baffle 322 are respectively located at two sides of the inner part of the lower circular pipe 310, the first baffle 311 and the second baffle 322 can plug the lower circular pipe 310, the first baffle 311 and the second baffle 322 can block the flow of the refrigerant medium, and then the possibility of leakage of the refrigerant medium can be effectively avoided after the upper circular pipe 230 is taken down from the surface of the pipe joint 320.
It can be appreciated that the connection between the pipe joint 320 and the lower circular pipe 310 and the connection between the pipe joint 320 and the upper circular pipe 230 can be provided with sealing rings, the sealing rings are only fixed with the pipe joint 320, and the lower circular pipe 310 and the upper circular pipe 230 are only tightly attached to the inner wall of the sealing rings, so that the tightness between the lower circular pipe 310 and the upper circular pipe 230 and the pipe joint 320 is improved under the premise of not affecting the rotation of the pipe joint 320.
In a specific embodiment, the pipe body of the upper circular pipe 230 is provided with a limiting block 231, the surface of the limiting block 231 is sleeved with an arc plate 330, the outer wall of the limiting block 231 is in clearance fit with the inner wall of the arc plate 330, the bottom end of the arc plate 330 is fixedly connected with the middle part of the pipe joint 320, and the top end of the arc plate 330 is provided with a limiting plate 340 corresponding to the limiting block 231.
In the above implementation process, after the upper round tube 230 is sleeved on the surface of the tube joint 320, the tube joint 320 is rotated, the arc plate 330 on the surface of the tube joint 320 drives the limiting plate 340 to move, the arc plate 330 is sleeved on the surface of the limiting block 231 on the outer wall of the upper round tube 230, the limiting plate 340 moves above the limiting block 231, the second baffle 322 at the bottom end of the tube joint 320 moves above the first baffle 311, the second baffle 322 and the first baffle 311 are overlapped, the refrigerant medium conveyed by the refrigerant conveying tube 300 can be conveyed into the tube joint 320 through the lower round tube 310 and enter into the upper round tube 230, and the limiting plate 340 can limit the movement of the limiting block 231, so that the possibility that the upper round tube 230 falls off from the surface of the tube joint 320 under the impact of the refrigerant medium is avoided.
It can be appreciated that the first baffle 311 and the limiting block 231 are located on the same side inside the lower circular tube 310, and the second baffle 322 and the limiting plate 340 are located on the same side of the tube joint 320, so that when the limiting plate 340 moves above the limiting block 231, the second baffle 322 also moves right above the first baffle 311, thereby ensuring that the limiting plate 340 can clamp the limiting block 231 when the lower circular tube 310 is communicated with the tube joint 320, and ensuring that the upper circular tube 230 cannot fall off from the surface of the tube joint 320 when the refrigerant medium is conveyed.
Preferably, the lower end surface of the limiting plate 340 and the upper end surface of the limiting block 231 can be provided with anti-slip rubber pads, so as to improve the anti-slip effect between the limiting plate 340 and the limiting block 231.
In a specific embodiment, the upper end surface of the stopper 231 is fitted to the lower end surface of the stopper plate 340.
When the tray is used as a carrier and a freezing structure is arranged on the surface of the tray, although the traditional Chinese medicine materials can be well frozen, after the freezing structure is separated from a refrigerant conveying pipeline, the port of the freezing structure is inconvenient to close, the leakage phenomenon of refrigerant media can occur, and the use is not facilitated.
In a specific embodiment, the sliding cover 500 is slidably disposed in the connecting tube 220, and the sliding cover 500 is located directly above the upper circular tube 230, and a spring is installed between the upper end surface of the sliding cover 500 and the inner top end of the connecting tube 220, and the lower end surface of the sliding cover 500 is in sealing fit with the top end of the upper circular tube 230, and the top end of the pipe joint 320 is provided with a push block 350 corresponding to the sliding cover 500.
In the above implementation process, after the upper round tube 230 is sleeved on the surface of the tube joint 320, the push block 350 at the top end of the tube joint 320 pushes the sliding cover plate 500 to move, so that the sliding cover plate 500 is separated from the top end of the upper round tube 230, and the sliding cover plate 500 presses the spring, so that the refrigerant medium can enter the upper round tube 230 through the tube joint 320;
after the upper circular tube 230 is removed from the surface of the tube joint 320, the sliding cover plate 500 moves down to the top end of the upper circular tube 230 under the support of the spring, so as to seal the top end of the upper circular tube 230, thereby avoiding the discharge of the refrigerant medium in the connecting tube 220 and reducing the possibility of leakage of the refrigerant medium.
In a specific embodiment, the lower end surface of the sliding cover plate 500 is provided with a guide block 510, the inner wall of the upper circular tube 230 is provided with a groove matched with the guide block 510, the lower end portion of the guide block 510 is slidably inserted into the groove of the inner wall of the guide block 510, and the central portion of the pipe joint 320 is in sealing fit with the bottom end of the upper circular tube 230.
In the above implementation process, the upper circular tube 230 can limit the moving range of the sliding cover 500 by limiting the moving range of the guide block 510, so that the sliding cover 500 can move more stably.
Specifically, the processing device for freeze-drying traditional Chinese medicinal materials is characterized in that when in use, traditional Chinese medicinal materials such as angelica sinensis and the like are sliced and then placed between two adjacent hollow plate bodies 210 on the surface of a tray 200, then a refrigerant medium is conveyed into a refrigerant conveying pipe 300, the refrigerant medium enters a connecting pipe 220 through a lower circular pipe 310, a pipe joint 320 and an upper circular pipe 230 and then is conveyed into the hollow plate bodies 210, the refrigerant medium can freeze and dry flaky traditional Chinese medicinal materials positioned between the two hollow plate bodies 210, and the flaky traditional Chinese medicinal materials are positioned between the two hollow plate bodies 210, so that the refrigerant medium can freeze the flaky traditional Chinese medicinal materials from two sides, the freezing effect is improved, the drying rate is greatly improved, the processing time is effectively shortened, and the processing efficiency is improved;
in addition, the upper round tube 230 is installed on the surface of the tube joint 320 in a sleeving manner, so that the disassembly and assembly are facilitated, the tray 200 can be conveniently taken down from the surface of the tube joint 320, the taken-down tray 200 can be turned over, and sheet-shaped traditional Chinese medicinal materials on the surface of the tray 200 after freeze drying can be conveniently poured out.
The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Claims (10)

1. A processing device for freeze drying of Chinese medicinal materials is characterized by comprising
A drying box (100);
the tray (200), the tray (200) is slidably installed in the drying box (100), the hollow plate bodies (210) are installed on the upper end surfaces of the tray (200) at intervals, connecting pipes (220) are communicated between the hollow plate bodies (210), and upper round pipes (230) are communicated with the bottom ends of the connecting pipes (220);
the cooling medium conveying pipe (300), cooling medium conveying pipe (300) install in the inside of drying cabinet (100), just cooling medium conveying pipe (300) intercommunication has lower pipe (310), just the top of lower pipe (310) is provided with coupling (320), go up pipe (230) cover and locate the surface of coupling (320).
2. The processing device for freeze-drying of traditional Chinese medicinal materials according to claim 1, wherein one side of the drying oven (100) is hollowed out, and a box door is installed on the hollowed-out side of the drying oven (100).
3. The processing device for freeze-drying of Chinese herbal medicines according to claim 1, wherein protrusions are arranged around the tray (200), the inner wall of the drying oven (100) is provided with the protrusions (110), and the protrusions around the tray (200) are arranged on the surfaces of the protrusions (110).
4. The processing device for freeze-drying of Chinese medicinal materials according to claim 1, wherein the hollow plate bodies (210) are inclined at the upper end surface of the tray (200), and a placing groove is formed between the hollow plate bodies (210).
5. The processing device for freeze-drying of Chinese medicinal materials according to claim 1, wherein the connecting tube (220) is a square tube, and the end of the connecting tube (220) is closed.
6. The processing device for freeze-drying of Chinese herbal medicines according to claim 1, wherein the connecting tube (220) is located at the bottom end of the hollow plate body (210), and the upper end surface of the connecting tube (220) is fixedly connected with the lower end surface of the tray (200).
7. The processing device for freeze-drying of Chinese medicinal materials according to claim 1, wherein the upper round tube (230), the lower round tube (310) and the tube joint (320) are coaxially arranged.
8. The processing device for freeze-drying Chinese medicinal materials according to claim 1, further comprising a refrigerating system (400), wherein the refrigerating system (400) is connected with the refrigerant conveying pipe (300).
9. The processing device for freeze-drying of Chinese herbal medicine according to claim 8, wherein the refrigerating system (400) comprises a circulating pump (410) and a refrigerator (420), two refrigerant conveying pipes (300) are provided, the two refrigerant conveying pipes (300) are respectively connected to an output end and an input end of the circulating pump (410), and the refrigerator (420) is connected to one of the refrigerant conveying pipes (300).
10. The processing device for freeze-drying of Chinese herbal medicine according to claim 9, wherein the lower end surface of the tray (200) has two connecting pipes (220), the two connecting pipes (220) are respectively communicated with the corresponding refrigerant conveying pipes (300), and the refrigerator (420) is a semiconductor refrigerator.
CN202311452864.2A 2023-11-03 2023-11-03 Processing device for freeze drying of traditional Chinese medicinal materials Pending CN117367040A (en)

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JP2024003659A JP7468961B1 (en) 2023-11-03 2024-01-15 Chinese herbal medicine freeze-drying processing equipment

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CN118512017A (en) * 2024-07-24 2024-08-20 金乡县立智农贸有限公司 Freeze dryer for garlic processing

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GB0609113D0 (en) 2006-05-09 2006-06-21 Boc Group Plc Freeze Dryer Shelf
GB2564481B (en) 2017-07-14 2019-10-23 4D Pharma Leon S L U Process
CN111920831A (en) 2020-08-17 2020-11-13 张红兰 Method for preparing traditional Chinese medicine decoction pieces based on freeze-drying technology
JPWO2022202938A1 (en) 2021-03-26 2022-09-29
CN216204717U (en) 2021-11-22 2022-04-05 江西祥运药业有限公司 Traditional chinese medicine processing vacuum freeze-drying equipment

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