CN212778267U - Pulsation vacuum drying machine - Google Patents
Pulsation vacuum drying machine Download PDFInfo
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- CN212778267U CN212778267U CN202020762345.1U CN202020762345U CN212778267U CN 212778267 U CN212778267 U CN 212778267U CN 202020762345 U CN202020762345 U CN 202020762345U CN 212778267 U CN212778267 U CN 212778267U
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- 230000010349 pulsation Effects 0.000 title claims abstract description 40
- 238000001291 vacuum drying Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000005286 illumination Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 32
- 239000006260 foam Substances 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 30
- 239000007789 gas Substances 0.000 description 25
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000010981 drying operation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 241001274961 Rubus repens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
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Abstract
The utility model discloses a pulsation vacuum drying machine, the power distribution box comprises a box body, one side of box is equipped with the vacuum interface that is used for taking out the box inner space into vacuum state, vacuum interface is connected with the vacuum pump, be equipped with the sheet layer heat exchanger in the box, the sheet layer heat exchanger is a multilayer bracket structure, be equipped with water inlet and delivery port on the sheet layer heat exchanger, the water inlet sets up the bottom at the sheet layer heat exchanger, the delivery port sets up the top at the sheet layer heat exchanger, be equipped with the pulsation air inlet unit on the box, the pulsation air inlet unit sets up in the one side relative with vacuum interface, the pulsation air inlet unit has and is used for. The utility model heats the baking pan through the plate layer heat exchanger, the plate layer heat exchanger supplies heat uniformly, and the baking pan heats up uniformly; when the materials in the baking pan overflow or foam, compressed gas is introduced through the pulsation gas inlet device to rapidly defoam the materials and discharge water.
Description
Technical Field
The utility model relates to a traditional chinese medicine drying process equipment technical field, in particular to pulsation vacuum drying machine.
Background
The vacuum drier is a vacuum box type drying device, is applied to drying materials in various industries, and is particularly suitable for drying heat-sensitive materials or materials with harsh working states of temperature and oxygen. In the treatment of traditional Chinese medicine materials, especially in the preparation of traditional Chinese medicine extract, the drying of medicinal materials is a very important link, which is to remove water from the medicinal materials and ensure that the medicinal materials are not damaged, so that a vacuum dryer is usually used for drying the medicinal materials.
The vacuum drier utilizes the vacuum pump to pump air and dehumidify, so that a vacuum state is formed in the working chamber, the boiling point of water is reduced, and the drying speed is accelerated. The material is placed in the oven through the baking pan, and during drying operation, after absorbing a large amount of heat, the material is promoted to reach a high-efficiency foaming state when the vacuum degree in the oven reaches the saturated air pressure state of moisture (solvent). The existing vacuum drying oven has the disadvantages of large temperature difference in the oven under the action of vacuumizing, slow drying speed, inconsistent drying of upper and lower materials, and easy foaming of the materials in the drying process to overflow a baking pan so as to prolong the drying time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pulsation vacuum drying machine, its advantage carries out the drying of homogenization to the material, improves drying efficiency.
The above object of the utility model is realized through following technical scheme, a pulsation vacuum drying machine, the power distribution box comprises a box body, one side of box is equipped with the vacuum interface that is used for taking out the box inner space into vacuum state, vacuum interface is connected with the vacuum pump, be equipped with the sheet layer heat exchanger in the box, the sheet layer heat exchanger is a multilayer bracket structure, be equipped with water inlet and delivery port on the sheet layer heat exchanger, the water inlet sets up the bottom at the sheet layer heat exchanger, the delivery port sets up the top at the sheet layer heat exchanger, be equipped with the pulsation air inlet unit on the box, the pulsation air inlet unit sets up in the one side relative with vacuum interface, the pulsation air inlet unit has.
According to the technical scheme, during drying operation, the baking pans containing materials are placed on the plate layer heat exchanger, the vacuum pump performs vacuumizing operation on the box body, the plate layer heat exchanger of the multilayer bracket structure can be used for placing a plurality of baking pans, the plurality of baking pans are placed in a layered mode, the bottom of each baking pan is in direct contact with the plate layer heat exchanger, a heat source is introduced into the plate layer heat exchanger, the heat source can be hot water, the hot water enters from a water inlet and flows out from a water outlet, the water inlet is formed in the bottom of the plate layer heat exchanger, and the water outlet is formed in the top of the plate layer heat exchanger, so that the whole plate layer heat exchanger can be filled with the hot water, the heat exchange efficiency between the baking pans is improved, the hot water uniformly flows into the bottoms of the baking pans, the temperature of each group of baking pans is uniform, the situation; the pulsation air inlet device is used for inputting compressed gas into the box body, materials have flash and bubbling phenomena during drying, the compressed gas is introduced to enable the materials to be defoamed rapidly, and meanwhile, stable and uniform laminar flow loops are formed with vacuumizing, so that a large amount of evaporated moisture which is effectively carried by dry and clean compressed air layer by layer is rapidly discharged, and the effect of rapid drying can be realized.
The utility model discloses further set up to, the pulsation air inlet unit is an air compressor pump, and the gas outlet and the box of air compressor pump are connected, are provided with the pulsation valve between air compressor pump and the box.
Through above-mentioned technical scheme, during air compressor pump work with gas pump in to the box, the pulsation valve is used for controlling air compressor pump and box and whether communicates.
The utility model discloses further set up to, the pulsation air inlet unit is a compressed air collection package, and the gas outlet and the box of compressed air collection package are connected, are provided with the pulsation valve between compressed air collection package and the box.
Through the technical scheme, the compressed air gas collection bag is used for filling compressed gas, and the gas in the compressed air gas collection bag is conveyed into the box body after the pulse valve is opened.
The utility model discloses further set up to, the box inner wall is equipped with and presss from both sides cover heating device, presss from both sides cover heating device and is the heating channel who sets up at the inner wall of box.
Through above-mentioned technical scheme, the heating of heating channel during operation heating box inner wall can carry out the auxiliary heating to the material, can avoid the condensation drop on the box inner wall to the box inner wall heating simultaneously, improves drying efficiency, saves drying time.
The utility model discloses further set up to, the one side that is close to the pulsation air inlet unit in the box is equipped with the pulsation laminar flow board, and the one side that is close to the vacuum pump in the box is equipped with the evacuation laminar flow board.
Through above-mentioned technical scheme, the air current that pulsation laminar flow board exported pulsation air inlet unit carries out the rectification, makes the air current become laminar flow state and flows, and the vacuum pump during operation also can form the air current in the box, and the evacuation laminar flow board carries out the rectification to the air current for the air current in the vacuum pump evacuation during operation box presents laminar flow state, thereby is favorable to taking out the moisture in the box.
The utility model discloses further set up to, be equipped with on the box and be used for providing the lamp of looking of illumination in to the box, be equipped with on the box and be used for the inside video camera of control box, look the lamp and set up in same one side of box with video camera.
Through above-mentioned technical scheme, the sight lamp provides the illumination in to the box, and the image in the box is gathered to the video camera, is convenient for monitor and observe the condition in the box.
The utility model discloses further set up to, be equipped with the sight glass that is used for observing the interior condition of box on the box.
Through the technical scheme, the condition in the box body can be conveniently and directly observed by a worker.
The utility model discloses further set up to, be equipped with the vacuum sensor who is used for detecting box internal environment vacuum in the box.
Through above-mentioned technical scheme, vacuum sensor is used for detecting the vacuum in the box to be used for the work progress in the supplementary monitoring box, in addition, when the box sealed trouble appearing, accessible vacuum sensor detects, is convenient for troubleshooting when the trouble takes place.
The utility model discloses further set up to, the bottom half is equipped with the drain.
Through above-mentioned technical scheme, the drain is used for the sewage that produces in the discharge box.
To sum up, the beneficial effects of the utility model are that:
1. the drying plate is heated through the plate layer heat exchanger, the plate layer heat exchanger supplies heat uniformly, and the drying plate is heated uniformly;
2. the jacket heating device is arranged for auxiliary heating, so that water drops are not easy to condense on the inner wall of the box body, and the drying efficiency is improved;
3. when the materials in the baking pan overflow or foam, compressed gas is introduced through the pulsation gas inlet device to rapidly defoam the materials and discharge water.
Drawings
Fig. 1 is an internal structure diagram of a first embodiment of the present invention;
fig. 2 is an internal structure diagram (different from the direction of fig. 1) of the first embodiment of the present invention.
In the figure, 1, a water outlet; 2. a box body; 5. a pulsating laminar flow plate; 6. a water inlet; 7. a sewage draining outlet; 8. a speed reducer; 9. a jacket heating device; 10. a vacuum degree sensor; 11. baking the pan; 12. a slab heat exchanger; 13. a vacuum pump; 14. a video camera; 15. a sight lamp; 16. a sight glass; 17. a door handle; 18. vacuumizing laminar flow plates; 19. a pulsating air intake device.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example (b): referring to fig. 1-2, a pulsating vacuum drying machine, including box 2, one side of box 2 is equipped with vacuum interface 13 that is used for taking out the space in box 2 to vacuum state, vacuum interface 13 is used for connecting the vacuum pump, be equipped with sheet layer heat exchanger 12 in the box 2, sheet layer heat exchanger 12 is a multilayer bracket structure, be equipped with water inlet 6 and delivery port 1 on sheet layer heat exchanger 12, water inlet 6 sets up the bottom at sheet layer heat exchanger 12, delivery port 1 sets up the top at sheet layer heat exchanger 12, be equipped with pulsating gas inlet device 19 on the box 2, pulsating gas inlet device 19 sets up in the one side relative with vacuum interface 13, pulsating gas inlet device 19 has and is used for letting in compressed gas in to box 2.
During the stoving operation, contain the baking pan 11 of material and place on sheet layer heat exchanger 12, the vacuum pump carries out the evacuation operation to box 2, and during the evacuation operation, gaseous heat absorption consequently need open sheet layer heat exchanger 12 and carry out the heat supply when the evacuation operation in order to avoid box 2 interior because of the evacuation temperature is low excessively. The multiple baking pans 11 can be placed in the plate layer heat exchanger 12 of the multilayer bracket structure, the multiple baking pans 11 are placed in layers, the bottom of each baking pan 11 is in direct contact with the plate layer heat exchanger 12, the evaporation area is large, a heat source is introduced into the plate layer heat exchanger 12, the heat source can be hot water, the hot water enters from the water inlet 6 and flows out from the water outlet 1, the water inlet 6 is arranged at the bottom of the plate layer heat exchanger 12, and the water outlet 1 is arranged at the top of the plate layer heat exchanger 12, so that the whole plate layer heat exchanger 12 can be filled with the hot water, the heat exchange efficiency between the hot water and the baking pans 11 is improved, the hot water uniformly flows into the bottoms of the baking pans 11, the temperature of each group of baking pans 11 is relatively uniform, the condition that the temperature difference between different baking pans; the pulsation air inlet device 19 is used for inputting compressed air into the box body 2, materials have flash and bubbling phenomena during drying, the compressed air is introduced to rapidly defoam the materials, and meanwhile, the materials and the pumped vacuum form a stable and uniform laminar flow loop, so that a large amount of evaporated moisture which is effectively carried by dry and clean compressed air layer by layer is rapidly discharged, and the effect of rapid drying can be realized.
The inside guide vane that is equipped with of sheet layer heat exchanger 12 forms the hot water circulation return circuit, guarantees that each region of heating sheet layer is heated evenly, and the heating sheet layer strictly guarantees the roughness (surface flatness + -0.5 mm/m) of face, guarantees that baking pan 11 and sheet layer closely contact, improves heat transfer efficiency to promote drying efficiency.
In this embodiment, the vacuum pump adopts roots's vacuum unit, is equipped with vacuum buffer tank and condenser, and the condenser adopts energy-saving spiral pipe heat exchanger, guarantees that the large-traffic high temperature vapor of system evaporates and causes damage and the vacuum degree of equipment after coming out not enough. The vacuum pump adopts an independent vacuum design mode, namely a vacuum system drives 1 device to be used.
Specifically, in this embodiment, the pulsation air inlet device 19 is an air compression pump, an air outlet of the air compression pump is connected to the box body 2, a pulsation valve is disposed between the air compression pump and the box body 2, the air compression pump pumps air into the box body 2 when working, and the pulsation valve is used for controlling whether the air compression pump is communicated with the box body 2.
2 inner walls of box are equipped with and press from both sides cover heating device 9, and press from both sides cover heating device 9 and for setting up the heating channel at the inner wall of box 2, let in heating medium like hot water or hot oil in the heating channel, the heating of heating channel during operation heating box 2 inner walls can carry out the auxiliary heating to the material, can avoid the condensation drop on 2 inner walls of box to the heating of 2 inner walls of box simultaneously, improves drying efficiency, saves drying time. In order to heat the inner wall of the box body 2 uniformly, a plurality of groups of heating channels are arranged at equal intervals.
The pulsating laminar flow plate 5 is arranged on one side of the interior of the box body 2 close to the pulsating air inlet device 19, and the vacuumized laminar flow plate 18 is arranged on one side of the interior of the box body 2 close to the vacuum interface 13. Pulsation laminar flow board 5 carries out the rectification to the air current of pulsation air inlet unit 19 output, make the air current become laminar flow state and flow out, the vacuum pump during operation also can form the air current in box 2, evacuation laminar flow board 18 carries out the rectification to the air current, make the air current in the vacuum pump evacuation during operation box 2 present laminar flow state, make the whole effectual process baking pan 11 materials of dry clean gas successive layer, even reduction incasement vacuum degree and effectively discharge the moisture behind a large amount of evaporation that the clean gas of the dry nature of defoaming usefulness in the box 2 can carry rapidly, can make the material defoaming rapidly and very big realization fast drying's effect.
Be equipped with on the box 2 and be used for providing the lamp 15 of looking of illumination in to the box 2, be equipped with on the box 2 and be used for the inside video camera 14 of control box 2, look lamp 15 and video camera 14 setting in the same one side of box 2. The vision lamp 15 provides illumination for the interior of the box body 2, and the video camera 14 collects images in the box body 2, so that the condition in the box body 2 can be monitored and observed conveniently. The box body 2 is provided with a sight glass 16 for observing the condition in the box body 2, so that the worker can directly observe the condition in the box body 2.
Be equipped with the vacuum sensor 10 that is used for detecting box 2 internal environment vacuum in the box 2, vacuum sensor 10 is used for detecting the vacuum in the box 2 to be used for the auxiliary work progress in the monitoring box 2, in addition, when box 2 sealing failure appears, accessible vacuum sensor 10 detects, is convenient for troubleshooting when the trouble takes place.
2 bottoms of box are equipped with drain 7, drain 7 is used for the sewage that produces in the discharge box 2, and is concrete, 2 bottoms of box can the recessed design, department highly is less than height all around in the middle of promptly, drain 7 sets up at lower, during drying operation, the department's part sewage that spills over or evaporate in the follow material can fall into 2 bottoms of box and discharge from drain 7, drain 7 can connect a negative pressure collector pipe and take moisture out, guarantee when using outside the inside solvent outflow box 2 that dewdrops of equipment, can not gather in box 2, improve equipment's drying strength, accelerate the drying time of equipment. The baffle is additionally arranged at the door of the box body 2 in the equipment, so that water is prevented from flowing out of the box body 2 during cleaning, and the workshop environment is prevented from being polluted.
The vacuumizing port is made of a stainless steel laminar flow orifice plate, so that the device is durable in use and convenient to clean; and can be manufactured into a quick connector for connection with more requirements, and is convenient to disassemble. The light dust material can be added with a filter cloth bag.
The box body 2 is provided with a safety valve, so that the pressure can be automatically released under the condition that a vacuum filtration head of the equipment is blocked or a drying rack leaks, and the safety of the equipment and personnel is ensured.
The box body 2 is integrally designed into a mode that one side is provided with a box door, the box body 2 is in a closed state when the box door is closed, a door handle 17 is arranged on the box door, and a speed reducer 8 is further arranged on the box door to open or close the box door. The drying box door is a mechanical inner flat door and a hand-operated integrated speed reducer 8, and the door can be manually opened by hand if the power is off or the motor fails.
In the vacuum pumping operation of the tank 2 by the vacuum pump, the atmosphere in the tank 2 is not completely evacuated, but the atmosphere in the tank 2 is evacuated to a low pressure to lower the boiling point of water and accelerate the evaporation of water. When the vacuum degree in the box reaches the saturated pressure of water (solvent), the material is promoted to reach a high-efficiency foaming state. And when the material appears more obvious overflow or foaming phenomenon, open pulsation air inlet unit 19, let in compressed gas and carry out the defoaming and handle, the process of letting in compressed gas sets up to periodic multiple times and lets in, throws into the pulsation and advances the gas purpose to form box 2 internal gas pressure and keep in lower state. The pulse valve can be automatically controlled to be opened and closed through a PLC.
The second embodiment is different from the first embodiment in that the pulsation air inlet device is a compressed air collecting bag, an air outlet of the compressed air collecting bag is connected with the box body, and a pulsation valve is arranged between the compressed air collecting bag and the box body. The compressed air gas collection bag is used for filling compressed gas, and the gas in the compressed air gas collection bag is conveyed into the box body after the pulse valve is opened.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a pulsation vacuum drying machine, the power distribution box comprises a box body (2), one side of box (2) is equipped with vacuum interface (13) that are used for drawing the box (2) inner space into vacuum state, the vacuum pump is connected in vacuum interface (13), a serial communication port, be equipped with sheet layer heat exchanger (12) in box (2), sheet layer heat exchanger (12) are a multilayer bracket structure, be equipped with water inlet (6) and delivery port (1) on sheet layer heat exchanger (12), water inlet (6) set up the bottom at sheet layer heat exchanger (12), delivery port (1) set up the top at sheet layer heat exchanger (12), be equipped with pulsation air inlet unit (19) on box (2), pulsation air inlet unit (19) set up in the one side relative with vacuum interface (13), pulsation air inlet unit (19) have and are used for letting in compressed gas to box (2).
2. A pulsating vacuum dryer as claimed in claim 1, characterized in that the pulsating air inlet means (19) is an air compressor pump, the air outlet of which is connected to the tank (2), and a pulsation valve is arranged between the air compressor pump and the tank (2).
3. A pulsating vacuum dryer as claimed in claim 1, characterized in that the pulsating air inlet means (19) is a compressed air collecting bag, the outlet of the compressed air collecting bag is connected to the cabinet (2), and a pulsation valve is provided between the compressed air collecting bag and the cabinet (2).
4. A pulsating vacuum dryer as claimed in claim 1, characterized in that the inner wall of the tank (2) is provided with a jacket heating means (9), the jacket heating means (9) being a heating channel provided in the inner wall of the tank (2).
5. A pulsating vacuum dryer as claimed in claim 1, characterized in that a pulsating laminar flow plate (5) is arranged in the tank (2) on the side adjacent to the pulsating inlet means (19), and an evacuated laminar flow plate (18) is arranged in the tank (2) on the side adjacent to the vacuum connection (13).
6. A pulsating vacuum dryer as claimed in claim 1, wherein a viewing lamp (15) for providing illumination into the cabinet (2) is provided on the cabinet (2), a video camera (14) for monitoring the interior of the cabinet (2) is provided on the cabinet (2), and the viewing lamp (15) and the video camera (14) are provided on the same side of the cabinet (2).
7. A pulsating vacuum dryer as claimed in claim 1, characterized in that the cabinet (2) is provided with a sight glass (16) for observing the conditions inside the cabinet (2).
8. A pulsating vacuum dryer as claimed in claim 1, characterized in that a vacuum sensor (10) for detecting the ambient vacuum in the tank (2) is provided in the tank (2).
9. A pulsating vacuum dryer as claimed in claim 1, characterized in that a drain (7) is provided at the bottom of the tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020762345.1U CN212778267U (en) | 2020-05-09 | 2020-05-09 | Pulsation vacuum drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020762345.1U CN212778267U (en) | 2020-05-09 | 2020-05-09 | Pulsation vacuum drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212778267U true CN212778267U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020762345.1U Active CN212778267U (en) | 2020-05-09 | 2020-05-09 | Pulsation vacuum drying machine |
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| CN (1) | CN212778267U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264128A (en) * | 2021-12-27 | 2022-04-01 | 常州市润邦干燥设备科技有限公司 | Pulsating vacuum drier |
| JP7203466B1 (en) | 2022-02-25 | 2023-01-13 | 株式会社木原製作所 | Drying measuring device |
| CN116447826A (en) * | 2023-03-23 | 2023-07-18 | 江苏中兴药业有限公司 | Automatic defoaming vacuum dryer and use method thereof |
-
2020
- 2020-05-09 CN CN202020762345.1U patent/CN212778267U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264128A (en) * | 2021-12-27 | 2022-04-01 | 常州市润邦干燥设备科技有限公司 | Pulsating vacuum drier |
| CN114264128B (en) * | 2021-12-27 | 2023-03-10 | 常州市润邦干燥设备科技有限公司 | Pulsation vacuum drying machine |
| JP7203466B1 (en) | 2022-02-25 | 2023-01-13 | 株式会社木原製作所 | Drying measuring device |
| JP2023124501A (en) * | 2022-02-25 | 2023-09-06 | 株式会社木原製作所 | Dryness measurement device |
| CN116447826A (en) * | 2023-03-23 | 2023-07-18 | 江苏中兴药业有限公司 | Automatic defoaming vacuum dryer and use method thereof |
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