CN106237676A - A kind of Filtrate collection device and filtrate collection method thereof - Google Patents
A kind of Filtrate collection device and filtrate collection method thereof Download PDFInfo
- Publication number
- CN106237676A CN106237676A CN201610681961.2A CN201610681961A CN106237676A CN 106237676 A CN106237676 A CN 106237676A CN 201610681961 A CN201610681961 A CN 201610681961A CN 106237676 A CN106237676 A CN 106237676A
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- China
- Prior art keywords
- filtrate
- filter
- washing liquid
- water tank
- level
- 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.)
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Links
- 239000000706 filtrate Substances 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 238000005406 washing Methods 0.000 claims abstract description 39
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 239000012065 filter cake Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 36
- 238000003825 pressing Methods 0.000 claims description 18
- 238000011084 recovery Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 6
- 239000006210 lotion Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/28—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a kind of Filtrate collection device, it includes that filter press, reactor, backwater storage cylinder, one-level clean water tank and two grades of cleaning water tanks, described filter press is arranged at one-level and cleans the top of water tank, and form water flow circuits before cleaning water tank with one-level, described two grades of cleaning water tanks are connected with filter press, described backwater storage cylinder is connected with filter press and reactor respectively, and described reactor is connected with filter press again.Compared with prior art, the present invention has following beneficial effect: 1, cleans in water tank the setting of the dividing plate that is staggered, controls the flow velocity of cleaning mixture so that cleaning mixture forms finite concentration gradient in water tank, in order to clean filter cake successively；2, in filter process, cleaning mixture recycles in system, without arranging outside waste water, meets national requirements for environmental protection；3, through above-mentioned washing process, clean filter cake can be obtained.
Description
Technical field
The present invention relates to a kind of Filtrate collection device and filtrate collection method thereof, belong to technical field of chemical.
Background technology
In Chemical Manufacture, slurry is mainly made up of solid material and disperse medium, typically makes solid by the way of filtration
State material separates with disperse medium, i.e. obtains filter cake and filtrate.But it be filtrated to get filter cake and usually contain small part filtrate, in order to protect
Demonstrate,proving the pure of filter cake, need to wash filter cake with a certain amount of clear water, these cleaning mixture are directly discharged in natural environment easily pollute
Environment, and directly discharge can make this small part the filtrate of reuse to run off, thus causes the waste of raw material.Above-mentioned in order to solve
Problem, the general method using cleaning mixture to recycle reduces the consumption of Natural Water, but in practical operation, still there is filter
Cake washing is thorough not, the problem that filtrate is run off.At present, also there is no a kind of circulating water wash more meeting separation and collection demand
The Filtrate collection device of formula.
Summary of the invention
Thorough not, that washing filter cake water consumption is big defect is separated with filtrate for filter cake in prior art, the present invention's
Purpose is to provide a kind of Filtrate collection device.
The present invention is achieved by the following technical solutions:
First aspect, the invention provides a kind of Filtrate collection device, it include filter press, reactor, backwater storage cylinder,
One-level cleans water tank and two grades of cleaning water tanks, and described filter press is arranged at one-level and cleans the top of water tank, and with one-level rinse water
Box-shaped becomes water flow circuits, described two grades of cleaning water tanks to be connected with filter press, and forms water flow circuits, described backwater with filter press
Storage cylinder, filter press and reactor are collectively forming in-line water flow circuits.
Preferably, the structure of described one-level filtered water tank and two grades of filtered water tanks is identical, all includes that casing sets with staggered
The some dividing plates being placed in described casing.
Preferably, the 80～99% of a length of casing width of described dividing plate.
Preferably, distance is casing length 5～30% between adjacent two pieces of described dividing plates.
Preferably, described dividing plate is the most downward-sloping.
Second aspect, present invention also offers a kind of filtrate collection method utilizing aforesaid Filtrate collection device, its bag
Include following steps:
S1: squeeze in pressure filter by slurry in reactor, carries out filter pressing, obtains filter cake and original filtrate, and by described former
Beginning filtrate collection is in backwater storage cylinder；
S2: add clear water in pressure filter, described filter cake is carried out filter pressing, obtains clear water washing liquid for the first time, and by described
Clear water wash pools is in backwater storage cylinder for the first time；
S3: again add clear water in pressure filter, filter cake is carried out filter pressing, obtain second time clear water washing liquid, and by described
Clear water wash pools is in one-level cleans water tank for the second time；
S4: third time in pressure filter add clear water, repeat S3 operation, respectively obtain third time clear water washing liquid, the 4th
Secondary clear water washing liquid ... and n-th clear water washing liquid, until obtaining clean filter cake, and collect respectively third time clear water washing liquid, the
Four clear water washing liquids ... and n-th clear water washing liquid, in one-level cleans water tank, are formed in one-level cleans water tank and have concentration
The recovery filtrate of gradient；
S5: the mixed liquor of the original filtrate in backwater storage cylinder and first time clear water washing liquid is squeezed in reactor, carries out
Recycle；
S6: again squeeze in pressure filter by the slurry in reactor, repeats the operation of S1；
S7: the recovery filtrate that one-level is cleaned bottommost in water tank is squeezed in pressure filter, after carrying out filter pressing, obtains for the first time
Filtrate washing liquid, and described first time filtrate wash pools is entered in backwater storage cylinder；
S8: the recovery filtrate that one-level is cleaned second bottom in water tank is squeezed in pressure filter, carries out filter pressing, obtains second time and filters
Liquid washing liquid, and described second time filtrate wash pools is entered in two grades of cleaning water tanks；
S9: respectively one-level is cleaned the recovery filtrate of the higher in water tank and squeezes in pressure filter, carry out filter pressing, respectively obtain
Filtrate washing liquid, the 4th filtrate washing liquid for the third time ... and n-th filtrate washing liquid, and collect respectively third time filtrate washing liquid, the 4th
Secondary filtrate washing liquid ... and n-th filtrate washing liquid is in two grades of cleaning water tanks；
S10: after the recovery filtrate in one-level cleans water tank is all exhausted, injected clear water in pressure filter, carry out
Clear water washs.
Compared with prior art, the present invention has a following beneficial effect:
1, clean in water tank the setting of the dividing plate that is staggered, control the flow velocity of cleaning mixture so that cleaning mixture is in water tank
Form finite concentration gradient, in order to clean filter cake successively；
2, in filter process, cleaning mixture recycles in system, without arranging outside waste water, meets national requirements for environmental protection；
3, through above-mentioned washing process, clean filter cake can be obtained.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of the Filtrate collection device of the present invention；
Fig. 2 is the structural representation that in the present invention, one-level cleans water tank；
In figure: 1, filter press, 21, one-level clean water tank, 22, two grades of cleaning water tanks；3, backwater storage cylinder, 4, reactor,
5, pump, 6, regulation valve, 211, casing；212, dividing plate；213, water inlet.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into the present invention
Protection domain.
The present invention provides a kind of Filtrate collection device, and as depicted in figs. 1 and 2, it includes filter press 1, reactor 4, backwater
Storage cylinder 3, one-level clean water tank 21 and two grades of cleaning water tanks 22, and filter press 1 is arranged at one-level and cleans the top of water tank, and with one
Level cleaning water tank 21 by regulation valve 5 and pump 6 form water flow circuits, two grades of cleaning water tanks 22 are connected with filter press 1, and with pressure
Filter forms water flow circuits by regulation valve 5 and pump 6, and backwater storage cylinder 3, filter press 1 and reactor 4 are collectively forming in-line
Water flow circuits.
One-level filtered water tank 21 is identical with the structure of two grades of filtered water tanks 22, cleans as a example by water tank 21 by one-level, including casing 211
With the some dividing plates 212 being crisscross arranged in casing 211, the top of casing 211 is provided with water inlet 213.
The length of dividing plate 212 can need regulation, generally the 80～99% of casing 211 width according to specifically used.
Distance between adjacent two pieces of dividing plates 212 can also regulate according to specifically used needs, and generally casing 211 is long
The 5～30% of degree.
In order to make filtrate successfully to flow to bottom, dividing plate 212 all can be to take downward-sloping form.
During use, the first step:
Serosity in reactor 5 is squeezed in pressure filter 1 by 1-1, carries out filter pressing, obtains filter cake and original filtrate (concentration
C0)；
1-2 original filtrate enters backwater storage cylinder 4 by regulation valve；
1-3, for the filter cake in pressure filter 1, adds clear water (such as 300kg), carries out filter pressing, obtain filtrate (concentration
C1-1)；
1-4 filtrate (concentration C1-1) directly enter backwater storage cylinder 4 by regulation valve 6；
1-5 squeezes into clear water (such as 300kg) again in pressure filter 1 and carries out filter pressing, obtains filtrate (concentration C1-2)；
1-6 filtrate (concentration C1-2) squeeze into one-level cleaning water tank 2 by regulation valve 6；
1-7 squeezes into clear water (such as 300kg) again in pressure filter 1；
1-8 repeats 1-5 and 1-6, and respectively obtaining concentration is C1-3、C1-4、C1-5... filtrate, and respectively by regulation valve beat
Enter one-level and clean water tank 2, in one-level cleans water tank 2, form the recycle-water with Concentraton gradient；Until obtaining clean filter cake；
1-9 reclaims clean filter cake；
Filtrate in backwater storage cylinder 4 is squeezed into reactor 5 by 1-10, reclaims and uses；
Second step, adds new slurry in pressure filter:
2-1 repeat the above steps 1-1 and 1-2, obtain new filter cake and original filtrate, then wash filter cake；
One-level is cleaned the filtrate (concentration C in water tank 2 by 2-21-2) squeeze into pressure filter 1 by regulation valve 6, after filter pressing, obtain
Filtrate (concentration C2-1)；
2-3 filtrate (concentration C2-1) enter backwater storage cylinder 4 by regulation valve；
2-4 repeats 2-2, and one-level is cleaned the filtrate (concentration C in water tank 21-3) squeeze into pressure filter 1, filter pressing by regulation valve
After, obtain filtrate (concentration C2-2)；
2-5 filtrate (concentration C2-2) squeeze into two grades of cleaning water tanks 3 by regulation valve；
2-6 repeats above step, by C1-4、C1-5... filtrate squeeze into pressure filter 1 respectively, after filter pressing, obtain filtrate
(C2-3、C2-4、...)；
After filtrate in 2-7 one-level cleaning water tank 2 has been beaten, in pressure filter 1, inject a clear water (such as 300kg), right
Filter cake washs；
Filtrate (the concentration C obtained after 2-8 washing2-n) squeeze into two grades of cleaning water tanks 3, filtrate (C2-2、C2-3...) lead to respectively
Overregulate valve and squeeze into two grades of cleaning water tanks 3, two grades of cleaning water tanks 3 are formed the recycle-water with Concentraton gradient；Until obtaining
Clean filter cake；
2-9 reclaims clean filter cake；
The filtrate obtained in backwater storage cylinder 4 is squeezed into reactor 5.
Compared with prior art, the present invention has a following beneficial effect:
1, clean in water tank the setting of the dividing plate that is staggered, control the flow velocity of cleaning mixture so that cleaning mixture is in water tank
Form finite concentration gradient, in order to clean filter cake successively；
2, in filter process, cleaning mixture recycles in system, without arranging outside waste water, meets national requirements for environmental protection；
3, through above-mentioned washing process, clean filter cake can be obtained.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (6)
1. a Filtrate collection device, it is characterised in that include filter press, reactor, backwater storage cylinder, one-level clean water tank and
Two grades of cleaning water tanks, described filter press is arranged at one-level and cleans the top of water tank, and becomes water flow circuits with one-level rinse water box-shaped,
Described two grades of cleaning water tanks are connected with filter press, and with filter press formed water flow circuits, described backwater storage cylinder, filter press and
Reactor is collectively forming in-line water flow circuits.
2. Filtrate collection device as claimed in claim 1, it is characterised in that described one-level filtered water tank and the knot of two grades of filtered water tanks
Structure is identical, all includes casing and the some dividing plates being crisscross arranged in described casing.
3. Filtrate collection device as claimed in claim 2, it is characterised in that a length of casing width of described dividing plate 80～
99%.
4. Filtrate collection device as claimed in claim 2, it is characterised in that the distance between adjacent two pieces of described dividing plates is case
The 5～30% of body length.
5. Filtrate collection device as claimed in claim 2, it is characterised in that described dividing plate is the most downward-sloping.
6. utilizing in claim 1～5 a filtrate collection method for Filtrate collection device described in any one, its feature exists
In, comprise the steps:
S1: squeeze in pressure filter by slurry in reactor, carries out filter pressing, obtains filter cake and original filtrate, and by described original filter
Liquid is collected in backwater storage cylinder；
S2: add clear water in pressure filter, described filter cake is carried out filter pressing, obtains clear water washing liquid for the first time, and by described first
Secondary clear water wash pools is in backwater storage cylinder；
S3: again add clear water in pressure filter, filter cake is carried out filter pressing, obtain second time clear water washing liquid, and by described second
Secondary clear water wash pools is in one-level cleans water tank；
S4: third time adds clear water in pressure filter, repeats the operation of S3, respectively obtain third time clear water washing liquid, the 4th time clear
Water lotion ... and n-th clear water washing liquid, until obtaining clean filter cake, and collect respectively third time clear water washing liquid, the 4th time
Clear water washing liquid ... and n-th clear water washing liquid, in one-level cleans water tank, are formed in one-level cleans water tank and have Concentraton gradient
Recovery filtrate；
S5: the mixed liquor of the original filtrate in backwater storage cylinder and first time clear water washing liquid is squeezed in reactor, reclaims
Utilize；
S6: again squeeze in pressure filter by the slurry in reactor, repeats the operation of S1；
S7: the recovery filtrate that one-level is cleaned bottommost in water tank is squeezed in pressure filter, after carrying out filter pressing, obtains filtrate for the first time
Washing liquid, and described first time filtrate wash pools is entered in backwater storage cylinder；
S8: the recovery filtrate that one-level is cleaned second bottom in water tank is squeezed in pressure filter, carries out filter pressing, obtains second time filtrate and washes
Liquid, and described second time filtrate wash pools is entered in two grades of cleaning water tanks；
S9: respectively one-level is cleaned the recovery filtrate of the higher in water tank and squeezes in pressure filter, carry out filter pressing, respectively obtain the 3rd
Secondary filtrate washing liquid, the 4th filtrate washing liquid ... and n-th filtrate washing liquid, and collect third time filtrate washing liquid, the 4th filter respectively
Liquid washing liquid ... and n-th filtrate washing liquid is in two grades of cleaning water tanks；
S10: after the recovery filtrate in one-level cleans water tank is all exhausted, injected clear water in pressure filter, carry out clear water
Washing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681961.2A CN106237676B (en) | 2016-08-17 | 2016-08-17 | A kind of Filtrate collection device and its filtrate collection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681961.2A CN106237676B (en) | 2016-08-17 | 2016-08-17 | A kind of Filtrate collection device and its filtrate collection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106237676A true CN106237676A (en) | 2016-12-21 |
| CN106237676B CN106237676B (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610681961.2A Active CN106237676B (en) | 2016-08-17 | 2016-08-17 | A kind of Filtrate collection device and its filtrate collection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348688A (en) * | 2018-12-24 | 2020-06-30 | 格林美（江苏）钴业股份有限公司 | Post-treatment device and post-treatment process for cobaltosic oxide synthetic material |
| CN111514627A (en) * | 2020-04-10 | 2020-08-11 | 青海盐湖工业股份有限公司 | Cleaning device and cleaning method for cleaning filter cake of filter press |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002186804A (en) * | 2000-12-20 | 2002-07-02 | Daicel Chem Ind Ltd | Filter press and operation method therefor |
| CN101629238A (en) * | 2009-07-30 | 2010-01-20 | 浙江华友钴业股份有限公司 | Residue washing method in cobalt hydrometallurgy industry |
| CN102527116A (en) * | 2012-01-11 | 2012-07-04 | 浙江华友钴业股份有限公司 | Washing method of cobalt hydroxide slurry |
| CN202376824U (en) * | 2011-12-27 | 2012-08-15 | 通化双龙化工股份有限公司 | Device for recycling white carbon black filter cake washed water |
| CN102872621A (en) * | 2012-10-29 | 2013-01-16 | 无锡恒诚硅业有限公司 | Press filtering washing water recycling and utilizing system for producing white carbon black |
| CN203469575U (en) * | 2013-09-02 | 2014-03-12 | 浙江天能电源材料有限公司 | Filter pressing system of desulfurizing solution in storage battery recovering line |
| CN204910961U (en) * | 2015-04-27 | 2015-12-30 | 武汉国力通能源环保有限公司 | Belt vacuum filter production process systems of medicament is retrieved in water conservation |
| CN206081794U (en) * | 2016-08-17 | 2017-04-12 | 西能化工科技(上海)有限公司 | Filtrate collecting device |
-
2016
- 2016-08-17 CN CN201610681961.2A patent/CN106237676B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002186804A (en) * | 2000-12-20 | 2002-07-02 | Daicel Chem Ind Ltd | Filter press and operation method therefor |
| CN101629238A (en) * | 2009-07-30 | 2010-01-20 | 浙江华友钴业股份有限公司 | Residue washing method in cobalt hydrometallurgy industry |
| CN202376824U (en) * | 2011-12-27 | 2012-08-15 | 通化双龙化工股份有限公司 | Device for recycling white carbon black filter cake washed water |
| CN102527116A (en) * | 2012-01-11 | 2012-07-04 | 浙江华友钴业股份有限公司 | Washing method of cobalt hydroxide slurry |
| CN102872621A (en) * | 2012-10-29 | 2013-01-16 | 无锡恒诚硅业有限公司 | Press filtering washing water recycling and utilizing system for producing white carbon black |
| CN203469575U (en) * | 2013-09-02 | 2014-03-12 | 浙江天能电源材料有限公司 | Filter pressing system of desulfurizing solution in storage battery recovering line |
| CN204910961U (en) * | 2015-04-27 | 2015-12-30 | 武汉国力通能源环保有限公司 | Belt vacuum filter production process systems of medicament is retrieved in water conservation |
| CN206081794U (en) * | 2016-08-17 | 2017-04-12 | 西能化工科技(上海)有限公司 | Filtrate collecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348688A (en) * | 2018-12-24 | 2020-06-30 | 格林美（江苏）钴业股份有限公司 | Post-treatment device and post-treatment process for cobaltosic oxide synthetic material |
| CN111348688B (en) * | 2018-12-24 | 2023-11-21 | 格林美（江苏）钴业股份有限公司 | Device and process for post-treatment of cobaltosic oxide synthetic material |
| CN111514627A (en) * | 2020-04-10 | 2020-08-11 | 青海盐湖工业股份有限公司 | Cleaning device and cleaning method for cleaning filter cake of filter press |
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| Publication number | Publication date |
|---|---|
| CN106237676B (en) | 2018-09-25 |
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Inventor after: Sun Weixian Inventor after: Zhang Zhihao Inventor after: Liu Feng Inventor after: Shen Jiancheng Inventor after: Zhang Mingming Inventor after: Wang Jingwen Inventor after: Cao Jun Inventor before: Sun Weixian Inventor before: Liu Feng Inventor before: Shen Jiancheng Inventor before: Zhang Mingming Inventor before: Wang Jingwen Inventor before: Cao Jun |
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Denomination of invention: A filtrate collection device and its filtrate collection method Effective date of registration: 20230511 Granted publication date: 20180925 Pledgee: Industrial Bank Co.,Ltd. Shanghai Lujiazui sub branch Pledgor: Fast thinking technology (Shanghai) Co.,Ltd.|NANOSPHERE (SHANGHAI) Co.,Ltd. Registration number: Y2023310000181 |
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Denomination of invention: A filtrate collection device and its filtrate collection method Granted publication date: 20180925 Pledgee: Industrial Bank Co.,Ltd. Shanghai Lujiazui sub branch Pledgor: Fast thinking technology (Shanghai) Co.,Ltd.|NANOSPHERE (SHANGHAI) Co.,Ltd. Registration number: Y2024310000420 |
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