CN112389870A - Controlled atmosphere maintenance and transportation method for traditional Chinese medicinal materials - Google Patents
Controlled atmosphere maintenance and transportation method for traditional Chinese medicinal materials Download PDFInfo
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- CN112389870A CN112389870A CN202011257489.2A CN202011257489A CN112389870A CN 112389870 A CN112389870 A CN 112389870A CN 202011257489 A CN202011257489 A CN 202011257489A CN 112389870 A CN112389870 A CN 112389870A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2069—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
- B65D81/2084—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in a flexible container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2069—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
- B65D81/2076—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
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Abstract
The invention relates to a controlled atmosphere maintenance and transportation method of traditional Chinese medicinal materials, which comprises the following steps: putting the Chinese medicinal materials into multiple airtight containers with air exchange rate of 0.005/d-0.5/d; filling nitrogen and/or an oxygen scavenger into the airtight containers, and sealing the airtight containers when the oxygen content of the airtight containers is reduced to 0.1% -5%; and loading a plurality of airtight containers into a transportation vehicle for logistics transportation. According to the controlled atmosphere maintenance and transportation method for the traditional Chinese medicinal materials, the traditional Chinese medicinal materials are filled into the airtight container, and the quality of the traditional Chinese medicinal materials is prevented from being reduced in the transportation process due to the portability and the airtightness of the airtight container. The airtight container can also be connected with a nitrogen gas source reserved on a transport tool, gas replacement can be carried out at any time according to requirements, stable maintenance of a low-oxygen storage state in the transport process is ensured, and the purposes of insect prevention, mildew prevention, property preservation, water control and the like in the transport link are achieved.
Description
Technical Field
The invention relates to the technical field of traditional Chinese medicine maintenance, in particular to a controlled atmosphere maintenance and transportation method of traditional Chinese medicines.
Background
The Chinese herbal medicine is an important medicine for preventing and treating diseases of the masses. The Chinese medicinal materials are various in types and relatively strong in regional property, and can be supplied nationwide by one-place collection. The characteristics of one-time collection and annual use, even one-year collection and perennial use. Therefore, the Chinese medicinal materials can be transported to warehouses of Chinese medicinal material operating enterprises in all parts of the country after being processed and processed in the collection places.
However, in the transportation link of the traditional Chinese medicinal materials, because the maintenance conditions are insufficient, the traditional Chinese medicinal materials are easy to mildew and moth. Therefore, the weight of the Chinese herbal medicine is reduced, or the quality of the Chinese herbal medicine is reduced, even the medicinal value is lost, and huge economic loss is brought. There is a need for a maintenance solution suitable for transportation conditions to solve the above problems.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a controlled atmosphere maintenance and transportation method of traditional Chinese medicinal materials, which comprises the following steps: putting the Chinese medicinal materials into multiple airtight containers with air exchange rate of 0.005/d-0.5/d; filling nitrogen and/or an oxygen scavenger into the airtight containers, and sealing the airtight containers when the oxygen content of the airtight containers is reduced to 0.1% -5%; and loading a plurality of airtight containers into a transportation tool to enter logistics transportation.
The method as described above, wherein the airtight container is an airtight box having an air exchange rate of 0.05/d or less, preferably 0.02/d or less.
The method as described above, wherein the airtight container is an airtight bag having a ventilation rate of 0.02/d or less, preferably 0.01/d or less, more preferably 0.005/d or less.
The method as described above, wherein the airtight container is an airtight container having a humidity control function, and the ventilation rate thereof is 0.05/d to 0.5/d.
The method as described above, wherein the airtight container is a container with oxygen content and humidity control, and the ventilation rate is 0.02/d-0.2/d.
The method as described above, further comprising: placing a humidity regulator in the airtight container.
The method as described above, further comprising: the oxygen content in the airtight container is regulated and controlled within the range of 1% -10%, and the relative humidity is regulated and controlled within the range of 30% -65%.
According to the method, a nitrogen gas source connecting port is reserved on the container body.
The method as described above, further comprising: the temperature and humidity detection device and the oxygen content detection device are used for monitoring gas data in the airtight container in real time.
The method can meet the transportation requirement of 7-90 days.
According to the controlled atmosphere maintenance and transportation method for the traditional Chinese medicinal materials, the traditional Chinese medicinal materials are filled into the airtight container, and the quality of the traditional Chinese medicinal materials is prevented from being reduced in the transportation process due to the portability and the airtightness of the airtight container. The airtight container can also be connected with a nitrogen gas source reserved on a transport tool, gas replacement can be carried out at any time according to requirements, stable maintenance of a low-oxygen storage state in the transport process is ensured, and the purposes of insect prevention, mildew prevention, property preservation, water control and the like in the transport link are achieved.
Drawings
Preferred embodiments of the present invention will now be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of an airtight maintenance system for herbs according to a first embodiment of the present invention; and
fig. 2 is a modified atmosphere maintenance transportation method of medicinal materials according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following detailed description, reference is made to the accompanying drawings that form a part hereof and in which is shown by way of illustration specific embodiments of the application. In the drawings, like numerals describe substantially similar components throughout the different views. Various specific embodiments of the present application are described in sufficient detail below to enable those skilled in the art to practice the teachings of the present application. It is to be understood that other embodiments may be utilized and structural and logical changes may be made to the embodiments of the present application.
In order to solve the problems, the Chinese herbal medicines are placed in an airtight container, and then the airtight container is subjected to oxygen reduction, humidity adjustment and other treatment by using an airtight maintenance technical means. And after the gas in the airtight container meets the requirement, sealing the airtight container and loading the airtight container into a transportation tool. According to the application, the traditional Chinese medicinal materials are placed into the movable airtight container to be subjected to airtight maintenance treatment, so that the quality and the drug effect of the traditional Chinese medicinal materials are guaranteed in the transportation process, and the economic benefit is improved.
FIG. 1 is a schematic structural view of an airtight maintenance system for herbs according to a first embodiment of the present invention. As shown, the airtight maintenance system 100 includes an airtight container 110, a nitrogen gas source 120, a humidity control device 130, and a gas detection device 140. Wherein, the nitrogen gas source 120 is detachably connected with the airtight container 110 in an airtight way through the humidity control device 130; the gas detection device 140 is detachably connected to the airtight container 110 in an airtight manner.
The airtight container 110 has airtight characteristics, and has a ventilation rate of 0.005/d to 0.5/d. In some embodiments, the airtight container 110 is an airtight box with an air exchange rate of ≦ 0.05/d, preferably ≦ 0.02/d; in some embodiments, the airtight container 110 is an airtight bag having a ventilation rate of 0.02/d or less, preferably 0.01/d or less, and more preferably 0.005/d or less. Wherein, the airtight bag is made of a flexible high-barrier film and has good oxygen-isolating performance. The airtight container 110 includes an air inlet and an air outlet, which are diagonally disposed to facilitate uniform gas discharge. In some embodiments, the airtight container is provided with only one outlet for ensuring airtightness and facilitating loading and unloading, and rapid ventilation can be realized by extending the air supply pipe into the middle or the bottom of the airtight container.
In some embodiments, the airtight container 110 comprises an airtight container, wherein the airtight container comprises an airtight container with humidity regulation having an air exchange rate of 0.05/d to 0.5/d; also comprises an airtight container with oxygen content and humidity control functions, and the ventilation rate is 0.02/d-0.2/d. In addition, a nitrogen gas source connecting port is reserved on the airtight container and used for filling nitrogen into the airtight container. The airtight container and the nitrogen gas source are directly installed on the transportation means, so that the space utilization rate of the airtight container 110 can be improved; moreover, the airtight container is subjected to gas replacement at any time in the transportation process, so that the aim of reducing oxygen is fulfilled quickly. When the airtight container is used for carrying out whole-container air conditioning, the traditional Chinese medicinal materials put into the container should adopt a breathable packaging material, so that the filled nitrogen can conveniently enter the medicinal materials.
The nitrogen gas source 120 includes one or more of a nitrogen cylinder, a storage tank, and a nitrogen generator. In some embodiments, the nitrogen source 120 provides nitrogen having a purity of not less than 95%, and preferably not less than 99%. The nitrogen gas source 120 of one embodiment of the present invention is portable in that it can be mounted on a vehicle to provide the vehicle with the capability to provide nitrogen gas to the airtight container. For example, a nitrogen cylinder is attached to a transportation vehicle, and when the oxygen content in the airtight container 110 exceeds a threshold value during transportation, nitrogen gas is filled into the airtight container 110 to displace oxygen gas.
The humidity control device 130 is used to control the humidity of the gas. The humidity of the gas suitable for different traditional Chinese medicinal materials is different, and the worker can operate the humidity control device 130 to adjust the humidity in the airtight container to the humidity value most beneficial to the storage of the traditional Chinese medicinal materials. In some embodiments, the humidity regulation range of the humidity control device 130 is 30% -65%.
The gas detection device 140 is used to detect gas data in the airtight container 11. The gas detection device 140 includes a temperature and humidity detection device and an oxygen content detection device. The system can realize real-time monitoring and storage of parameters in the airtight container, facilitate traceable management of logistics links, continuously detect and timely adjust the atmosphere-controlled environment in the airtight container.
In some embodiments, the oxygen content detecting device is installed at the gas outlet. In response to the one-way valve at the gas outlet opening, the gas in the airtight container 110 passes through the oxygen content detection device, completing the oxygen detection process. In some embodiments, a portable oxygen monitor is used, the oxygen content is detected and taken off after the oxygen content is qualified, and the airtight container is placed in a sealed mode. In some embodiments, an oxygen indicator is placed in the airtight container, and the oxygen content in the airtight container is judged by observing the color change of the oxygen indicator.
Fig. 2 is a modified atmosphere maintenance transportation method of medicinal materials according to an embodiment of the present invention. At step 210, the traditional Chinese medicinal materials are placed in an airtight container. Before the air-tight container is subjected to air conditioning, the traditional Chinese medicinal materials to be transported are orderly filled into the air-tight container. If more traditional Chinese medicinal materials need to be transported, a plurality of airtight containers are needed for loading the traditional Chinese medicinal materials. Thus, subsequent steps of the method may be performed on a plurality of airtight containers simultaneously or sequentially.
At step 220, the airtight container is filled with nitrogen gas. Before the airtight container is filled with nitrogen, the inlet and the outlet of the airtight container are ensured to be in a closed state, and only the air inlet and the air outlet are opened. And connecting a nitrogen gas source and a humidity control device with a gas inlet of the airtight container. Wherein the purity of the nitrogen provided by the nitrogen source is not less than 95 percent, preferably not less than 99 percent.
In some embodiments, if the airtight container is an airtight bag or an airtight box with negative pressure resistance, the oxygen reduction replacement can be performed by vacuumizing and filling nitrogen. Firstly, a nitrogen gas source and a control device are connected with an air inlet of an airtight container in an airtight way, a vacuum device is connected with an air outlet of the airtight container in an airtight way, or an interface is adopted and is switched and connected with a vacuumizing device or the nitrogen gas source through a pipeline and a valve; then, after the gas in the airtight container is pumped away by using a vacuum device, nitrogen is filled in through a nitrogen source; repeating the above steps for several times until the oxygen content is reduced to below the preset value, and stopping gas replacement. The method for reducing oxygen by vacuumizing and filling nitrogen can achieve the purpose of reducing oxygen in a short time and greatly improve the working efficiency.
In some embodiments, the oxygen content in the hermetic container is reduced using a nitrogen gas source and/or an oxygen scavenger. Further, a humidity regulator and/or a desiccant are also put in the airtight container. And (3) rapidly deoxidizing by using a nitrogen source, and stably maintaining by using a deoxidant and a humidity regulator. In the maintaining stage, the regulating range of the oxygen content in the airtight container is 1-10 percent; the relative humidity adjusting range is 30-65%. Wherein, the deoxidant can be an iron deoxidant, the deoxidant waste material meets the environmental protection standard, and the waste material is pollution-free. In response to the fact that the traditional Chinese medicinal materials need to be transported for a long distance, for example, the transportation time is 1-3 months, the gas components in the airtight container can be passively adjusted by using the oxygen scavenger, the humidity regulator or the desiccant.
At step 230, the airtight container is sealed when the oxygen content in the airtight container falls to 0.1% -5% or less. When the oxygen content is reduced to below 8 percent, the aim of maintaining the drug property of the traditional Chinese medicine can be achieved, and the activity of pests is inhibited; the oxygen content is below 5 percent, and the insect-proof and mildew-proof effects can be achieved; when the oxygen content is below 3 percent, the pests are dehydrated and suffocated; when the oxygen content is below 1%, the pests can be killed quickly. Therefore, when the oxygen content is 1% -5%, the effects of preventing and curing the entomophthora can be effectively achieved.
At step 240, the airtight container is loaded into a transport vehicle for logistics transportation.
This application adopts a plurality of airtight bags and airtight case as airtight container respectively, fills nitrogen and falls oxygen before sealed, does not open midway, surveys these two kinds of airtight container and can satisfy the oxygen content and maintain the demand, and concrete operating procedure is as follows:
example 1
A flexible airtight bag made of high-barrier membrane is used for placing radix astragali. The method comprises the following specific steps:
1. respectively putting the same amount of radix astragali into 25 airtight bags with the same specification;
2. the oxygen content in the 25 airtight bags is reduced to 1 percent simultaneously by using the method of vacuumizing and filling nitrogen, and then sealing is carried out;
3. and (5) carrying the 25 airtight bags onto a transport tool, and entering a logistics transportation link.
The above Chinese medicinal materials are transported by road and loaded and unloaded by truck intermittently for 30 days before arriving at the destination, and 25 airtight bags are tested for oxygen content, and the results are as follows:
as can be seen from the table, by adopting the method, the oxygen content of 76% of the airtight bags is below 5%, the requirement of the traditional Chinese medicinal materials for low-oxygen atmosphere-controlled maintenance is met, and the oxygen content of 92% of the airtight bags is below 8%, and the requirement of the low-oxygen atmosphere-controlled maintenance is basically met. According to the observation, two bags with the oxygen content of more than 8 percent have one edge which is not tightly sealed, so that air leakage is caused; the other one has obvious scratch, which is the damage of the airtight bag caused by the strong scratch.
Example 2
The rhizoma corydalis is placed in an airtight box, and the same amount of air conditioning agent, such as one or more of an oxygen scavenger, a humidity conditioner or a desiccant, is placed according to the volume of the airtight box. Wherein, airtight case size does: L400W 300H 300 mm. The method comprises the following specific steps:
1. respectively putting equivalent rhizoma corydalis and air conditioner into 10 airtight boxes with the same specification;
2. the oxygen content in 10 airtight boxes is reduced to 1% by using the nitrogen filling replacement method, and then sealing treatment is carried out; and
3. and (5) carrying the 10 airtight boxes to a transport tool, and entering a logistics transportation link.
The Chinese medicinal materials are transported by road and loaded and unloaded by truck for intermittent placement, and are transported to the destination 50 days later, and oxygen content of 10 airtight boxes is tested.
The test result is as follows: the oxygen content of 10 airtight boxes is below 5 percent, and the oxygen content of 6 airtight boxes is below 2 percent, so that the requirement of low-oxygen modified atmosphere curing of the traditional Chinese medicinal materials is met.
Example 3
The radix astragali is transported by double airtight protection of a flexible airtight bag and an airtight box. Wherein a gas regulating agent, such as one or more of an oxygen scavenger, a humidity regulator, or a desiccant, is placed in the gas-tight enclosure; the size of the airtight box is L1000W 500H 600mm, and 25 flexible air-conditioned bags can be accommodated. The method comprises the following specific steps:
1. respectively putting the same amount of radix astragali into 25 airtight bags with the same specification;
2. the oxygen content in the 25 airtight bags is reduced to 1 percent simultaneously by using the method of vacuumizing and filling nitrogen, and then sealing is carried out;
3. transporting the 25 airtight bags into an airtight box;
4. sealing the airtight box after the oxygen content in the airtight box is reduced to 1 percent by using the method of filling nitrogen for replacement; and
5. and (5) carrying the airtight box to a transport tool, and entering a logistics transportation link.
The above Chinese medicinal materials are transported by road and placed intermittently by loading and unloading vehicle, and arrive at the destination 90 days later, 25 airtight bags are tested for oxygen content, and the results are as follows:
as can be seen from the table, the oxygen content in the modified atmosphere bags exceeding 90% is not more than 2%, the oxygen content of all the modified atmosphere bags is below 5%, and the modified atmosphere bags are all in a good low-oxygen-regulating protection state, so that the protection method adopting the dual airtight enclosure structure is beneficial to maintaining the low-oxygen state of the traditional Chinese medicinal materials and better preserving the medicinal materials.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention, and therefore, all equivalent technical solutions should fall within the scope of the present invention.
Claims (10)
1. A method for maintaining and transporting traditional Chinese medicinal materials in a controlled atmosphere manner comprises the following steps:
putting the Chinese medicinal materials into multiple airtight containers with air exchange rate of 0.005/d-0.5/d;
filling nitrogen and/or an oxygen scavenger into the airtight containers, and sealing the airtight containers when the oxygen content of the airtight containers is reduced to 0.1% -5%; and
and loading a plurality of airtight containers into a transportation tool to enter logistics transportation.
2. The method according to claim 1, wherein the gas-tight container is a gas-tight box having a gas exchange rate of ≤ 0.05/d, preferably ≤ 0.02/d.
3. The method according to claim 1, wherein the gas-tight container is a gas-tight bag having a gas exchange rate of ≤ 0.02/d, preferably ≤ 0.01/d, more preferably ≤ 0.005/d.
4. The method according to claim 1, wherein the airtight container is an airtight container having a humidity control function, and has an air exchange rate of 0.05/d to 0.5/d.
5. The method of claim 1, wherein the airtight container is a container with oxygen content and humidity regulation, and the ventilation rate is 0.02/d-0.2/d.
6. The method of claim 1, further comprising: a humidity regulator and/or an oxygen scavenger are placed in the airtight container.
7. The method of claim 1, further comprising: the oxygen content in the airtight container is regulated and controlled within the range of 1% -10%, and the relative humidity is regulated and controlled within the range of 30% -65%.
8. A method according to claim 4 or claim 5, wherein a nitrogen gas supply connection is provided to the container body.
9. The method of claim 1, further comprising: the temperature and humidity detection device and the oxygen content detection device are used for monitoring gas data in the airtight container in real time.
10. The method of claim 1, wherein 7-90 days of transport demand can be met using the method of any one of claims 1-9.
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