CN208340275U - It is a kind of to continue to exceed filter device for what inulin extracted - Google Patents
It is a kind of to continue to exceed filter device for what inulin extracted Download PDFInfo
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- CN208340275U CN208340275U CN201820567907.XU CN201820567907U CN208340275U CN 208340275 U CN208340275 U CN 208340275U CN 201820567907 U CN201820567907 U CN 201820567907U CN 208340275 U CN208340275 U CN 208340275U
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- Prior art keywords
- tank
- inulin
- microwave
- ultrafiltration
- head tank
- 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
- 229920001202 Inulin Polymers 0.000 title claims abstract description 35
- 229940029339 inulin Drugs 0.000 title claims abstract description 35
- JYJIGFIDKWBXDU-MNNPPOADSA-N inulin Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)OC[C@]1(OC[C@]2(OC[C@]3(OC[C@]4(OC[C@]5(OC[C@]6(OC[C@]7(OC[C@]8(OC[C@]9(OC[C@]%10(OC[C@]%11(OC[C@]%12(OC[C@]%13(OC[C@]%14(OC[C@]%15(OC[C@]%16(OC[C@]%17(OC[C@]%18(OC[C@]%19(OC[C@]%20(OC[C@]%21(OC[C@]%22(OC[C@]%23(OC[C@]%24(OC[C@]%25(OC[C@]%26(OC[C@]%27(OC[C@]%28(OC[C@]%29(OC[C@]%30(OC[C@]%31(OC[C@]%32(OC[C@]%33(OC[C@]%34(OC[C@]%35(OC[C@]%36(O[C@@H]%37[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O%37)O)[C@H]([C@H](O)[C@@H](CO)O%36)O)[C@H]([C@H](O)[C@@H](CO)O%35)O)[C@H]([C@H](O)[C@@H](CO)O%34)O)[C@H]([C@H](O)[C@@H](CO)O%33)O)[C@H]([C@H](O)[C@@H](CO)O%32)O)[C@H]([C@H](O)[C@@H](CO)O%31)O)[C@H]([C@H](O)[C@@H](CO)O%30)O)[C@H]([C@H](O)[C@@H](CO)O%29)O)[C@H]([C@H](O)[C@@H](CO)O%28)O)[C@H]([C@H](O)[C@@H](CO)O%27)O)[C@H]([C@H](O)[C@@H](CO)O%26)O)[C@H]([C@H](O)[C@@H](CO)O%25)O)[C@H]([C@H](O)[C@@H](CO)O%24)O)[C@H]([C@H](O)[C@@H](CO)O%23)O)[C@H]([C@H](O)[C@@H](CO)O%22)O)[C@H]([C@H](O)[C@@H](CO)O%21)O)[C@H]([C@H](O)[C@@H](CO)O%20)O)[C@H]([C@H](O)[C@@H](CO)O%19)O)[C@H]([C@H](O)[C@@H](CO)O%18)O)[C@H]([C@H](O)[C@@H](CO)O%17)O)[C@H]([C@H](O)[C@@H](CO)O%16)O)[C@H]([C@H](O)[C@@H](CO)O%15)O)[C@H]([C@H](O)[C@@H](CO)O%14)O)[C@H]([C@H](O)[C@@H](CO)O%13)O)[C@H]([C@H](O)[C@@H](CO)O%12)O)[C@H]([C@H](O)[C@@H](CO)O%11)O)[C@H]([C@H](O)[C@@H](CO)O%10)O)[C@H]([C@H](O)[C@@H](CO)O9)O)[C@H]([C@H](O)[C@@H](CO)O8)O)[C@H]([C@H](O)[C@@H](CO)O7)O)[C@H]([C@H](O)[C@@H](CO)O6)O)[C@H]([C@H](O)[C@@H](CO)O5)O)[C@H]([C@H](O)[C@@H](CO)O4)O)[C@H]([C@H](O)[C@@H](CO)O3)O)[C@H]([C@H](O)[C@@H](CO)O2)O)[C@@H](O)[C@H](O)[C@@H](CO)O1 JYJIGFIDKWBXDU-MNNPPOADSA-N 0.000 title claims abstract description 34
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 36
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000004064 recycling Methods 0.000 claims abstract description 16
- 239000000284 extract Substances 0.000 claims abstract description 12
- 239000000706 filtrate Substances 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000000605 extraction Methods 0.000 abstract description 19
- 239000002994 raw material Substances 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 210000004027 cell Anatomy 0.000 description 6
- 238000001728 nano-filtration Methods 0.000 description 6
- 238000000502 dialysis Methods 0.000 description 4
- 238000010924 continuous production Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- FLDFNEBHEXLZRX-RUAPLKMPSA-N (2S,5S)-2-[(2S,5R)-2-[[(2R,5R)-2-[[(2R,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxymethyl]-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxymethyl]-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound OC[C@H]1O[C@@](CO)(OC[C@@]2(OC[C@@]3(O[C@@H]4OC(CO)[C@@H](O)C(O)C4O)O[C@H](CO)C(O)C3O)O[C@H](CO)C(O)C2O)C(O)C1O FLDFNEBHEXLZRX-RUAPLKMPSA-N 0.000 description 1
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 244000189548 Chrysanthemum x morifolium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Filter device is continued to exceed for what inulin extracted the utility model discloses a kind of, including head tank, preheating cabinet, microwave reactor, ultrafiltration tank and recycling bins, inulin stoste is stored in the head tank, the top of the head tank is equipped with feed opening, the head tank bottom end is equipped with leakage pipe, the leakage pipe is connected to preheating cabinet, and the preheating cabinet connects microwave reaction by dispenser.The utility model is collected filtrate and extracts again, improved the rate of recovery by the way of multi-stage diffluence extraction；Meanwhile using microwave radiation exaraction, the extraction efficiency of inulin raw material is improved；Further, the preheating cabinet of big volume can more preheat inulin stoste, and more shunt pipes and microwave helix tube are used cooperatively, and greatly accelerate extraction rate, enhance device quantity-produced ability.
Description
Technical field
It is especially a kind of to continue to exceed filter dress for what inulin extracted the utility model relates to inulin production technical field
It sets.
Background technique
Currently, extraction, the method for purifying inulin from jerusalem artichoke or chrysanthemum mattress, main technique include extraction, purifying and drying,
Middle extraction process has ultrasonic wave extraction, hot water extraction, extraction etc., and purifying process generally includes impurity elimination, desalination, decoloration etc.,
Desalination bleaching generally uses ion exchange resin, using impurity such as membrane separating method deproteination matter, organic acid, monosaccharide, uses
Distillation is concentrated.Chinese patent grant number CN 202543120 U, day for announcing 2012.11.21 are disclosed a kind of for inulin
The continous way nanofiltration purifying of extraction and enrichment facility, including the circular buffering being sequentially connected by charging general pipeline and liquor inlet
Tank, dehvery pump, the first cartridge filter, high-pressure pump, membrane separation device, concentration general pipeline, dialysis general pipeline, it is characterised in that described
Membrane separation device includes at least a nanofiltration membrane component in parallel, the nanofiltration membrane component include charging be in charge of, booster pump, nanofiltration
Film, the nanofiltration membrane dialyzate outlet connection dialysis are in charge of, and connection dialysis general pipeline, the charging point are in charge of in the dialysis
Pipe connection charging general pipeline, the booster pump are installed on charging and are in charge of, and the nanofiltration membrane concentrated solution outlet passes through concentration point
Pipe is connected with charging general pipeline, and the concentration general pipeline is connected with charging general pipeline.
Disadvantage of the existing technology: the membrane separation technique provided in the prior art, low, the distillation and concentration energy with the rate of recovery
The disadvantages of consumption is high, continuous production ability is poor, meanwhile, the extraction efficiency of this method inulin is low, for the middle beneficiating ingredient of raw material
Utilization rate is low.
Utility model content
Filter device is continued to exceed for what inulin extracted the purpose of this utility model is to provide a kind of, has recovery efficiency
Height, the advantage that continuous production ability is strong, raw material recovery rate is high, solve the rate of recovery in the prior art is low, distillation and concentration energy consumption is high,
The problem that continuous production ability is poor, raw material recovery rate is low.
A kind of according to the utility model embodiment continues to exceed filter device for what inulin extracted, including head tank, pre-
Hot tank, microwave reactor, ultrafiltration tank and recycling bins, the head tank is interior to store inulin stoste, and the top of the head tank is equipped with
Feed opening, the head tank bottom end are equipped with leakage pipe, and the leakage pipe is connected to preheating cabinet, and the preheating cabinet is connected by dispenser
Microwave reactor, the microwave reactor is interior to be equipped with several microwave helix tubes, and the every microwave helix tube bottom end is connected to
One ultrafiltration tank, each ultrafiltration pot bottom are equipped with ultrafiltration membrane, are equipped with quartzy filter core, institute below each ultrafiltration membrane
The outer wall for stating each ultrafiltration tank is equipped with supercharging device, close on the opposite side tank skin of supercharging device on each ultrafiltration tank
The position of ultrafiltration membrane is equipped with an extracting solution discharger, and the every extracting solution discharger is connected to extracting solution collecting pipe, institute
It states the bottom end of each ultrafiltration tank and recycling bins is connected to by filtrate pipe, the recycling bins are by recovery tube connection head tank, and described time
High-pressure pump is equipped at a certain section of closed tube.
On the basis of above scheme, several heating rods are equipped in the preheating cabinet, the heating temperature of the heating rod is
70~100 DEG C.
On the basis of above scheme, separating tube is equipped in the dispenser, the separating tube lower end is equipped with four liquid separation branch
Pipe.
On the basis of above scheme, the quantity of the microwave helix tube is four, the upper end of each microwave helix tube
Piece liquid separation branch pipe of corresponding connection.
On the basis of above scheme, the every extracting solution discharger is equipped with anti-return plug close to one end of ultrafiltration tank.
On the basis of above scheme, it is equipped with electromagnetic flow valve at the leakage pipe, is equipped at the every liquid separation branch pipe
Electromagnetic flow valve, the every microwave helix tube and ultrafiltration tank connectivity part are equipped with electromagnetic flow valve, the every extraction hydrorrhea
Electromagnetic flow valve is equipped at outlet pipe, the recovery tube and recycling bins, head tank and high-pressure pump connectivity part are equipped with electromagnetic flow valve.
It is continuous that the utility model has the beneficial effect that inulin provided by the utility model extracts compared with prior art
Ultrafilter is collected filtrate and extracts again, improved the rate of recovery by the way of multi-stage diffluence extraction；Meanwhile it utilizing
Microwave radiation exaraction, microwave radiation Radiolucent cell wall reach cell interior, increase the temperature of cell interior, and pressure increases
Greatly, effective component it is more, faster from spilling into solvent into the cell, improve the extraction efficiency of inulin raw material；Further,
The preheating cabinet of big volume can more preheat inulin stoste, and more shunt pipes and microwave helix tube are used cooperatively, greatly
Extraction rate is accelerated greatly, enhances device quantity-produced ability, it is efficiently convenient, have in inulin extraction field and widely answers
Use prospect.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 be the utility model proposes it is a kind of for inulin extract continue to exceed filter device structural schematic diagram.
In figure: 1- head tank, 2- feed opening, 3- leakage pipe, 4- inulin stoste, 5- preheating cabinet, 6- heating rod, 7- liquid separation
Device, 8- separating tube, 9- microwave helix tube, 10- ultrafiltration tank, 11- microwave reactor, 12- supercharging device, 13- extracting solution discharger,
14- extracting solution collecting pipe, 15- anti-return plug, 16- ultrafiltration membrane, 17- quartz filter core, 18- filtrate pipe, 19- recycling bins, 20- high pressure
Pump, 21- recovery tube, 22- electromagnetic flow valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear",“It is left ", " right side ", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
Referring to Fig.1, a kind of to continue to exceed filter device, including head tank 1, preheating cabinet 5, microwave reaction for what inulin extracted
Device 11, ultrafiltration tank 10 and recycling bins 19, head tank 1 is interior to store inulin stoste 4, and the top of head tank 1 is equipped with feed opening 2, raw material
1 bottom end of tank is equipped with leakage pipe 3, and leakage pipe 3 is connected to preheating cabinet 5, and preheating cabinet 5 connects microwave reactor 11, microwave by dispenser 7
Several microwave helix tubes 9 are equipped in reactor 11, every 9 bottom end of microwave helix tube is connected to a ultrafiltration tank 10, Mei Gechao
10 bottom of filter tank is equipped with ultrafiltration membrane 16, and quartzy filter core 17, the outer wall of each ultrafiltration tank 10 are equipped with below each ultrafiltration membrane 16
It is equipped with supercharging device 12, the position on each ultrafiltration tank 10 on the opposite side tank skin of supercharging device 12 close to ultrafiltration membrane 16 is equal
Equipped with an extracting solution discharger 13, every extracting solution discharger 13 is connected to extracting solution collecting pipe 14, each ultrafiltration tank 10
Bottom end by filtrate pipe 18 be connected to recycling bins 19, recycling bins 19 by recovery tube 21 be connected to head tank 1, a certain section of recovery tube 21
Place is equipped with high-pressure pump 20.
Wherein, several heating rods 6 are equipped in preheating cabinet 5, the heating temperature of heating rod 6 is 100 DEG C, is set in dispenser 7
There is separating tube 8,8 lower end of separating tube is equipped with four liquid separation branch pipes, and the quantity of microwave helix tube 9 is four, each microwave helix tube 9
Upper end a piece liquid separation branch pipe of corresponding connection, every extracting solution discharger 13 be equipped with anti-return close to one end of ultrafiltration tank 10
15 are filled in, electromagnetic flow valve 22 is equipped at leakage pipe 3, is equipped with electromagnetic flow valve 22, every microwave spiral at every liquid separation branch pipe
Pipe 9 and 10 connectivity part of ultrafiltration tank are equipped with electromagnetic flow valve 22, are equipped with electromagnetic flow valve 22 at every extracting solution discharger 13, return
Closed tube 21 and recycling bins 19, head tank 1 and 20 connectivity part of high-pressure pump are equipped with electromagnetic flow valve 22.
Inulin stoste 4 is added in head tank 1, inulin stoste 4 by the utility model first when extracting inulin extracting solution
Preheating cabinet 5 is entered by leakage pipe 3 under the effect of gravity, and is preheated by heating rod 6, dispenser is flowed subsequently through
7 enter progress assisted extraction in the microwave helix tube 9 in microwave reactor 11 by each liquid separation branch pipe, finally, by ultrafiltration tank
After the ultrafiltration membrane 16 of 10 bottoms and quartzy filter core 17 are separated by filtration, extracting solution is pressed into extracting solution discharger 13 simultaneously by supercharging device 12
Extracting solution collecting pipe 14 is pooled to collect to following process, and filtrate is entered recycling bins 19 by filtrate pipe 18 and is added through high-pressure pump 20
It is sent by recovery tube 21 to head tank 1 after pressure, realizes that continuous recycling is extracted again, each connectivity part is by electromagnetic flow valve 22 in overall process
Flow rate of liquid is controlled, to realize the work continuously filtered.Inulin extraction provided by the utility model continues to exceed filter device, uses
The mode that multi-stage diffluence extracts, is collected filtrate and extracts again, improve the rate of recovery；It is micro- meanwhile using microwave radiation exaraction
Wave radiation Radiolucent cell wall reach cell interior, increases the temperature of cell interior, pressure increase, effective component more,
Faster from spilling into solvent into the cell, the extraction efficiency of inulin raw material is improved；Further, the preheating cabinet 5 of big volume
More inulin stoste 4 can be preheated, more shunt pipes and microwave helix tube 9 are used cooperatively, and greatly accelerate extraction
Speed enhances device quantity-produced ability, efficiently convenient, extracts field in inulin and is with a wide range of applications.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of continue to exceed filter device for what inulin extracted, it is characterised in that: including head tank (1), preheating cabinet (5), micro-
Wave reactor (11), ultrafiltration tank (10) and recycling bins (19), the head tank (1) is interior to store inulin stoste (4), the head tank
(1) top is equipped with feed opening (2), and head tank (1) bottom end is equipped with leakage pipe (3), and the leakage pipe (3) is connected to preheating cabinet
(5), for the preheating cabinet (5) by dispenser (7) connection microwave reactor (11), the microwave reactor (11) is interior equipped with several
Root microwave helix tube (9), every microwave helix tube (9) bottom end are connected to a ultrafiltration tank (10), each ultrafiltration tank
(10) bottom is equipped with ultrafiltration membrane (16), is equipped with quartzy filter core (17) below each ultrafiltration membrane (16), described each super
The outer wall of filter tank (10) is equipped with supercharging device (12), the opposite side tank of supercharging device (12) on each ultrafiltration tank (10)
Position on wall close to ultrafiltration membrane (16) is equipped with an extracting solution discharger (13), and the every extracting solution discharger (13) is equal
It is connected to extracting solution collecting pipe (14), the bottom end of each ultrafiltration tank (10) passes through filtrate pipe (18) connection recycling bins (19), institute
It states recycling bins (19) and is connected to head tank (1) by recovery tube (21), high-pressure pump is equipped at a certain section of the recovery tube (21)
(20)。
2. it is according to claim 1 it is a kind of for inulin extract continue to exceed filter device, it is characterised in that: the preheating
Several heating rods (6) are equipped in case (5), the heating temperature of the heating rod (6) is 70~100 DEG C.
3. it is according to claim 1 it is a kind of for inulin extract continue to exceed filter device, it is characterised in that: the liquid separation
Separating tube (8) are equipped in device (7), separating tube (8) lower end is equipped with four liquid separation branch pipes.
4. it is according to claim 3 it is a kind of for inulin extract continue to exceed filter device, it is characterised in that: the microwave
The quantity of helix tube (9) is four, the upper end of each microwave helix tube (9) piece liquid separation branch pipe of corresponding connection.
5. it is according to claim 1 it is a kind of for inulin extract continue to exceed filter device, it is characterised in that: it is every described
Extracting solution discharger (13) is equipped with anti-return plug (15) close to the one end of ultrafiltration tank (10).
6. it is according to claim 4 it is a kind of for inulin extract continue to exceed filter device, it is characterised in that: the leakage
It manages and is equipped with electromagnetic flow valve (22) at (3), be equipped with electromagnetic flow valve (22) at the every liquid separation branch pipe, the every microwave
Helix tube (9) and ultrafiltration tank (10) connectivity part are equipped with electromagnetic flow valve (22), are set at the every extracting solution discharger (13)
Have electromagnetic flow valve (22), the recovery tube (21) is equipped with recycling bins (19), head tank (1) and high-pressure pump (20) connectivity part
Electromagnetic flow valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567907.XU CN208340275U (en) | 2018-04-19 | 2018-04-19 | It is a kind of to continue to exceed filter device for what inulin extracted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567907.XU CN208340275U (en) | 2018-04-19 | 2018-04-19 | It is a kind of to continue to exceed filter device for what inulin extracted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208340275U true CN208340275U (en) | 2019-01-08 |
Family
ID=64886837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820567907.XU Expired - Fee Related CN208340275U (en) | 2018-04-19 | 2018-04-19 | It is a kind of to continue to exceed filter device for what inulin extracted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208340275U (en) |
-
2018
- 2018-04-19 CN CN201820567907.XU patent/CN208340275U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |