CN211847760U - Extraction device for 7-dehydrocholesterol - Google Patents
Extraction device for 7-dehydrocholesterol Download PDFInfo
- Publication number
- CN211847760U CN211847760U CN202020122259.4U CN202020122259U CN211847760U CN 211847760 U CN211847760 U CN 211847760U CN 202020122259 U CN202020122259 U CN 202020122259U CN 211847760 U CN211847760 U CN 211847760U
- Authority
- CN
- China
- Prior art keywords
- extraction
- box
- tank
- dehydrocholesterol
- filtrate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 238000000605 extraction Methods 0.000 title claims abstract description 68
- UCTLRSWJYQTBFZ-UHFFFAOYSA-N Dehydrocholesterol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)CCCC(C)C)CCC33)C)C3=CC=C21 UCTLRSWJYQTBFZ-UHFFFAOYSA-N 0.000 title claims abstract description 12
- QYSXJUFSXHHAJI-YRZJJWOYSA-N vitamin D3 Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)CCC1=C QYSXJUFSXHHAJI-YRZJJWOYSA-N 0.000 title claims abstract description 12
- 239000000706 filtrate Substances 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 239000002904 solvent Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000967 suction filtration Methods 0.000 claims abstract description 8
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 claims description 26
- 235000012000 cholesterol Nutrition 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 241000282894 Sus scrofa domesticus Species 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 210000004185 liver Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 206010004542 Bezoar Diseases 0.000 description 1
- 229930182558 Sterol Natural products 0.000 description 1
- 241000282898 Sus scrofa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000005013 brain tissue Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003688 hormone derivative Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003432 sterols Chemical class 0.000 description 1
- 235000003702 sterols Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
Images
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- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model discloses an extraction element for 7-dehydrocholesterol, including bottom plate and the fixed frame that sets up at the bottom plate upper surface, fixed frame includes the rectangular support of vertical fixation on the side around the bottom plate, be connected with the support horizontal pole between the last ejector pin that two rectangular supports correspond, be equipped with on the support horizontal pole of frame and draw the case, be equipped with the filtrate tank on the bottom plate of the below of drawing the case, the bottom of drawing the case is equipped with the suction filtration pipe that the intercommunication drawed case and filtrate tank, be provided with the operation panel in the frame of drawing case one side, be equipped with solvent tank and control panel on the operation panel, be equipped with the connecting pipe that feeds through both between drawing case and the solvent tank, the interval is equipped with water pump and solenoid valve on the connecting pipe, be equipped with the detachable filter vat in the extraction case, be equipped with the agitating unit of stirring raw materials in the filter vat, be. The utility model discloses convenient operation has simplified operation process effectively, has saved the manpower and has improved work efficiency effectively.
Description
Technical Field
The utility model belongs to the technical field of cholesterol processing machinery, concretely relates to extraction element of 7-dehydrocholesterol.
Background
Cholesterol is the major sterol in higher animals, is one of the components of cellular lipids, and is synthesized primarily in the liver. The animal tissue has the most cholesterol content in brain tissue, and is abundant in liver, bone and pancreas, so that it can be used as raw material for extracting cholesterol, and the cholesterol can be dehydrogenated by chemical method to produce 7-dehydrocholesterol for producing vitamins, and the cholesterol is also used as main raw material for preparing artificial bezoar and synthetic hormone. Its preparation method comprises removing membrane and blood streak from fresh medulla sus domestica or medulla sus domestica, mincing into pernicious pig brain, vacuum drying at 80 deg.C below to water content below 3%, adding acetone 2 times of brain dry weight into the rest raw materials, soaking for 24 hr, stirring, filtering, and collecting acetone extractive solution. Adding 2 times of acetone into the filter residue, soaking for 12 hr, filtering, and collecting extractive solution. The existing manufacturing device is single in type, and the extraction operation needs a plurality of devices to complete the work, so that time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a 7-dehydrogenation is used for cholesterol extraction device.
The utility model mainly adopts the following technical proposal that the utility model comprises a bottom plate and a fixed frame arranged on the upper surface of the bottom plate, the fixed frame comprises rectangular brackets vertically fixed on the front and rear sides of the bottom plate, a supporting cross rod is connected between the corresponding upper ejector rods of the two rectangular brackets, the structure is characterized in that a support cross bar of a frame is provided with an extraction box, a bottom plate positioned below the extraction box is provided with a filtrate box, the bottom of the extraction box is provided with a suction filtration pipe communicated with the extraction box and the filtrate box, an operation table is arranged on the machine frame at one side of the extraction box, a solvent tank and a control panel are arranged on the operation table, a connecting pipe for communicating the extraction tank and the solvent tank is arranged between the extraction tank and the solvent tank, a water pump and an electromagnetic valve are arranged on the connecting pipe at intervals, draw the incasement to be provided with detachable filter vat, be provided with the agitating unit who stirs the raw materials in the filter vat, be located to be provided with on the lateral wall that draws the case and communicate and draw incasement portion's air pump and drying-machine.
Draw the case and be the open box in the top of sealing all around that polylith baffle constitutes, the opening part that draws the case is provided with the sealed lid of dismantling that suits with the opening, it is close to the upside and is provided with the limiting plate along the position to draw the incasement wall, and the upper surface of limiting plate is equipped with the spacing groove, the below of drawing the incasement limiting plate is provided with temperature sensor.
The utility model discloses a filter tank, including the bottom plate, the upper surface of bottom plate, the filter tank is installed and is located the below of drawing the case, and the baffle is provided with sealed switch door before the filter tank, is provided with the switch handle on the switch door, be provided with the stock solution box in the filter tank, the open box body in top is sealed all around to the stock solution box, and the top opening part of stock solution box is provided with can dismantle the filter screen, the last roof of filter tank is provided with the feed inlet, and the feed inlet is.
The suction filter tube is provided with an electromagnetic valve, one end of the suction filter tube is connected to the bottom of the extraction box, and the other end of the suction filter tube is installed on the feed inlet of the filtrate box and corresponds to the filter screen of the filtrate box.
The operation platform comprises a flat plate connected to right side rods of the two rectangular supports, the flat plate is perpendicular to the right side rods of the two rectangular supports and extends out of a plane where the two right side rods are located, and fixing rods fixedly connected to the flat plate and the side rods of the rectangular supports are arranged on the lower bottom surface of the flat plate.
The lateral wall of the opening part ring barrel body above the filter barrel is provided with a limiting block matched with the limiting plate, the lower bottom surface of the limiting block is provided with a clamping block matched with the limiting groove, and a plurality of filter holes are formed in the barrel body of the filter barrel at intervals.
Agitating unit is including installing at the gland bonnet and extending into the (mixing) shaft that draws the incasement, a plurality of stirring teeth of interval installation on the (mixing) shaft, gland bonnet outer wall is installed control (mixing) shaft pivoted driving motor, is located and installs the handle of the lid dismouting of being convenient for on the gland bonnet of driving motor both sides.
The air pump and the dryer are respectively arranged on the outer walls of the front side plate and the rear side plate of the extraction box and are close to the cover body.
The beneficial effects of the utility model reside in that: the extraction box, the filtrate box and the solvent tank are arranged on the fixed frame to be matched with each other, so that the processing of cholesterol is integrated into a more system, the filter barrel arranged in the extraction box can ensure that the residual filter residue can be collected more conveniently and the purity of filtrate is higher, the stirring of raw materials is more sufficient and uniform due to the arrangement of the stirring device, the temperature sensor arranged in the extraction box can monitor the temperature in the extraction box in real time to increase the extraction quality of cholesterol, the air pump arranged on the extraction box is matched with the dryer to effectively control the water content of the raw materials to be proper numerical value, the electromagnetic valve arranged on the suction filter pipe can conveniently control the output quantity of the filtrate, the filter screen arranged on the liquid storage box can filter impurities in the filtrate again, the electromagnetic valve and the water pump are arranged on the connecting pipe between the extraction box and the solvent tank, one is to effectively maintain the vacuum state in the extraction box, furthermore, the addition amount of the solvent is convenient to control. The utility model discloses convenient operation has simplified operation process effectively, has saved the manpower and has improved work efficiency effectively.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the extraction box of the present invention;
fig. 3 is a schematic top view of the present invention.
Detailed Description
Referring to the attached drawings, the utility model comprises a bottom plate 1 and a fixed frame 2 arranged on the upper surface of the bottom plate 1, the fixed frame 2 comprises rectangular supports 3 vertically fixed on the front and back sides of the bottom plate 1, a supporting cross rod 4 is connected between the corresponding upper top rods of the two rectangular supports 3, a drawing box 5 is fixedly arranged on the supporting cross rod 4 of the frame 2, the drawing box 5 is a box body formed by a plurality of baffles and with an upper opening closed at the periphery, a detachable sealing cover body 17 matched with the opening is arranged at the opening of the drawing box 5, the sealing cover body can ensure the airtightness of the box, a limit plate 18 is arranged on the inner wall of the drawing box 5 near the upper side edge, a limit groove 19 is arranged on the upper surface of the limit plate 18, a temperature sensor 20 for detecting the temperature in the box is arranged below the limit plate 18 in the drawing box 5, a detachable filter barrel 14 is arranged in, a stirring device for stirring raw materials is arranged in the filtering barrel 14, when in design, a limiting block 27 matched with the limiting plate 18 is arranged on the outer side wall of the barrel body at the opening part above the filtering barrel 14, a clamping block 28 matched with the limiting groove 19 is arranged on the lower bottom surface of the limiting block 27, the fixture blocks 28 are clamped in the limiting grooves 19 to prevent the filter vat 14 from rotating in the extraction box 5, a plurality of filter holes for filtering raw materials are arranged on the vat body of the filter vat 14 at intervals, the number of the filter holes is enough during the manufacturing process to ensure that the solvent is fully contacted and mixed with the raw materials, and the stirring means comprises a stirring shaft 29 mounted in the closure body 17 and extending into the extraction tank 5, a plurality of stirring teeth 30 are arranged on the stirring shaft 29 at intervals, the stirring shaft 29 is divided into a stirring end and a connecting end during design, the inner side wall of the cover body is arranged at one end of a shaft body of the connecting end part, the other end of the shaft body is in threaded connection with the stirring end, and the stirring teeth 30 are arranged on the shaft body of the stirring end. A driving motor 31 for controlling the rotation of the stirring shaft 29 is arranged on the outer wall of the sealing cover body 17, and handles for facilitating the disassembly and assembly of the cover body are arranged on the outer top walls of the sealing cover body 17 on the two sides of the driving motor 31. Draw the outer wall of case 5 front and back curb plate and be close to the position of lid and be provided with the intercommunication respectively and draw the inside air pump 15 of case 5 and drying-machine 16, during the design, air pump 15 is used for taking away the airtight air that draws in the case 5, makes things convenient for the raw materials to process at vacuum environment, and drying-machine 16's setting then can make and draw the constancy of temperature in the case 5, effectively improves and draws the efficiency and the quality of raw materials processing in the case 5. A bottom plate 1 positioned below an extraction box 5 is provided with a filtrate box 6 for storage and secondary filtration, the bottom of the extraction box 5 is provided with a suction filtration pipe 7 for communicating the extraction box 5 and the filtrate box 6, the filtrate box 6 is arranged on the upper surface of the bottom plate 1 and positioned below the extraction box 5, a front baffle plate of the filtrate box 6 is provided with a sealed switch door 21, the switch door 21 is provided with a switch handle 22, a liquid storage box 23 is arranged in the filtrate box 6, the liquid storage box 23 is a box body with the periphery closed and the upper opening, the upper opening of the liquid storage box 23 is provided with a detachable filter screen 24, the filter screen 24 is designed to carry out secondary filtration on filtrate, during manufacturing, the upper top plate of the filtrate box 6 is provided with a feed inlet, the feed inlet is positioned right above the filter screen 24, the suction filtration pipe 7 is provided with an electromagnetic valve 13, during design, one end of the suction filtration pipe 7 is connected to the bottom of the, the other end is arranged on the feed inlet of the filtrate tank 6 and corresponds to the filter screen 24 of the filtrate tank 6, and the water pump 12 can be arranged on the suction filtration pipe 7 to accelerate the output of the filtrate during the manufacturing process. An operation platform 8 is arranged on the frame 2 at one side of the extraction box 5, a solvent tank 9 and a control panel 10 are arranged on the operation platform 8, the operation platform 8 comprises a flat plate 25 connected with right side rods of the two rectangular supports 3, the flat plate 25 is vertical to the right side rods of the two rectangular supports 3 and extends out of a plane where the two right side rods are located, a fixed rod 26 fixedly connected with the flat plate 25 and a side rod of the rectangular supports 3 is arranged at the lower bottom surface of the flat plate 25, the solvent tank 9 is arranged on the upper surface of the flat plate 25, the control panel 10 is arranged on the flat plate 25 at one side of the solvent tank 9, a connecting pipe 11 for communicating the extraction box 5 and the solvent tank 9 is arranged between the extraction box 5 and the solvent tank 9, a water pump 12 for conveying solvent from a container tank into the extraction box 5 and an electromagnetic valve 13 for controlling opening and closing of the pipeline are arranged on the. Of course, the above-mentioned structures and circuit connections of the driving motor 31, the air pump 15, the water pump 12, the temperature sensor 20, the electromagnetic valve 13 and the dryer 16 are known structures, and the control panel 10 is provided with a plurality of control switches for controlling the driving motor 31, the air pump 15, the water pump 12, the temperature sensor 20, the electromagnetic valve 13 and the dryer 16 respectively.
When in use, the sealing cover body 17 is opened to put the raw material to be processed and extracted with cholesterol into the filter vat 14, the cover body is arranged on the extraction box 5, the air pump 15 and the dryer 16 arranged on the extraction box 5 are opened to carry out vacuum heat treatment on the cholesterol raw material in the extraction box 5, most of water in the raw material is evaporated, the temperature in the box is monitored by the temperature sensor 20 in the extraction box 5, so that the temperature in the box is constant, of course, when only the raw material is removed, the stirring end can be detached by the stirring shaft 29, the processing quantity of the raw material can be increased, when the raw material is processed for a proper time, the electronic valve and the water pump 12 on the connecting pipe 11 are opened, the solution in the solvent tank 9 is added into the extraction box 5, the driving motor 31 is simultaneously opened, so that the cholesterol raw material is fully mixed and contacted with the solvent, the electronic valve of the suction and filtration pipe 7 is opened, the filtrate in the extraction box 5 flows into the liquid storage box 23 in, closing the electromagnetic valve 13 of the suction filtration pipe 7, opening the switch door 21 of the filtrate tank 6, taking out the filtrate subjected to secondary filtration in the liquid storage box 23, and carrying out crystallization treatment, directly taking out and collecting the filter residue of the raw material subjected to multiple extraction reactions in the filter barrel 14, wherein the filter residue can be used for extracting phospholipid.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the present invention. The present invention has been described in detail with reference to the foregoing embodiments, and it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made therein without departing from the spirit and scope of the invention. However, any modification, equivalent replacement, improvement and the like made within the scope of the inventive concept of the present invention are included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an extraction element for 7-dehydrogenation cholesterol, includes bottom plate (1) and fixed frame (2) that set up at bottom plate (1) upper surface, fixed frame (2) are connected with between the last ejector pin that two rectangle supports (3) correspond and support horizontal pole (4), its characterized in that including rectangle support (3) of vertical fixation on side around bottom plate (1) around, two rectangle supports (3): an extraction box (5) is arranged on a supporting cross rod (4) of the frame (2), a filtrate box (6) is arranged on a bottom plate (1) positioned below the extraction box (5), a suction filtration pipe (7) communicated with the extraction box (5) and the filtrate box (6) is arranged at the bottom of the extraction box (5), an operating platform (8) is arranged on the frame (2) at one side of the extraction box (5), the operating platform (8) is provided with a solvent tank (9) and a control panel (10), a connecting pipe (11) for communicating the extraction tank (5) and the solvent tank (9) is arranged between the extraction tank and the solvent tank, a water pump (12) and an electromagnetic valve (13) are arranged on the connecting pipe (11) at intervals, the device is characterized in that a detachable filter vat (14) is arranged in the extraction box (5), a stirring device for stirring raw materials is arranged in the filter vat (14), and an air pump (15) and a dryer (16) which are communicated with the interior of the extraction box (5) are arranged on the side wall of the extraction box (5).
2. The extraction device for 7-dehydrocholesterol according to claim 1, wherein the extraction box (5) is a box body which is formed by a plurality of baffles, the periphery of the box body is closed, the upper part of the box body is open, a detachable sealing cover body (17) which is matched with the opening is arranged at the opening of the extraction box (5), a limiting plate (18) is arranged on the inner wall of the extraction box (5) close to the upper side edge, a limiting groove (19) is arranged on the upper surface of the limiting plate (18), and a temperature sensor (20) is arranged below the limiting plate (18) in the extraction box (5).
3. The extraction device for 7-dehydrocholesterol according to claim 1, wherein the filtrate tank (6) is mounted on the upper surface of the bottom plate (1) and positioned below the extraction tank (5), a sealed switch door (21) is arranged on a front baffle of the filtrate tank (6), a switch handle (22) is arranged on the switch door (21), a liquid storage box (23) is arranged in the filtrate tank (6), the liquid storage box (23) is a box body with the periphery closed and the upper opening, a detachable filter screen (24) is arranged at the upper opening of the liquid storage box (23), and a feed inlet is arranged on the upper top plate of the filtrate tank (6) and positioned right above the filter screen (24).
4. The extraction device for 7-dehydrocholesterol according to claim 3, wherein the suction filter tube (7) is provided with an electromagnetic valve (13), one end of the suction filter tube (7) is connected to the bottom of the extraction tank (5), and the other end is arranged on the feed inlet of the filtrate tank (6) and corresponds to the filter screen (24) of the filtrate tank (6).
5. The extraction device for 7-dehydrocholesterol according to claim 1, wherein the operation table (8) comprises a flat plate (25) connected to the right side rods of the two rectangular supports (3), the flat plate (25) is perpendicular to the right side rods of the two rectangular supports (3) and extends out of the plane where the two right side rods are located, and a fixing rod (26) fixedly connected to the flat plate (25) and the side rods of the rectangular supports (3) is arranged on the lower bottom surface of the flat plate (25).
6. The extraction device for 7-dehydrocholesterol according to claim 2, wherein the outer side wall of the barrel body at the opening above the filter barrel (14) is provided with a limiting block (27) matched with the limiting plate (18), the lower bottom surface of the limiting block (27) is provided with a clamping block (28) matched with the limiting groove (19), and the barrel body of the filter barrel (14) is provided with a plurality of filter holes at intervals.
7. The extraction device for 7-dehydrocholesterol according to claim 1, wherein the stirring device comprises a stirring shaft (29) which is arranged on the sealing cover body (17) and extends into the extraction box (5), a plurality of stirring teeth (30) are arranged on the stirring shaft (29) at intervals, a driving motor (31) for controlling the rotation of the stirring shaft (29) is arranged on the outer wall of the sealing cover body (17), and handles for facilitating the assembly and disassembly of the cover body are arranged on the sealing cover body (17) positioned at two sides of the driving motor (31).
8. The extraction apparatus for 7-dehydrocholesterol according to claim 1, wherein the air pump (15) and the dryer (16) are installed at the outer walls of the front and rear side plates of the extraction tank (5) respectively and at positions close to the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020122259.4U CN211847760U (en) | 2020-01-19 | 2020-01-19 | Extraction device for 7-dehydrocholesterol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020122259.4U CN211847760U (en) | 2020-01-19 | 2020-01-19 | Extraction device for 7-dehydrocholesterol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211847760U true CN211847760U (en) | 2020-11-03 |
Family
ID=73232284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020122259.4U Expired - Fee Related CN211847760U (en) | 2020-01-19 | 2020-01-19 | Extraction device for 7-dehydrocholesterol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211847760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739852A (en) * | 2022-06-13 | 2022-07-12 | 长沙海纳光电科技有限公司 | Automatic cement insoluble slag content measuring instrument |
| CN117046154A (en) * | 2023-08-21 | 2023-11-14 | 中国中医科学院中药研究所 | Animal tissue effusion extraction device |
-
2020
- 2020-01-19 CN CN202020122259.4U patent/CN211847760U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739852A (en) * | 2022-06-13 | 2022-07-12 | 长沙海纳光电科技有限公司 | Automatic cement insoluble slag content measuring instrument |
| CN117046154A (en) * | 2023-08-21 | 2023-11-14 | 中国中医科学院中药研究所 | Animal tissue effusion extraction device |
| CN117046154B (en) * | 2023-08-21 | 2024-02-06 | 中国中医科学院中药研究所 | Animal tissue effusion extraction device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
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