CN110302586A - A kind of TCM liquid extract filter device - Google Patents
A kind of TCM liquid extract filter device Download PDFInfo
- Publication number
- CN110302586A CN110302586A CN201910743127.5A CN201910743127A CN110302586A CN 110302586 A CN110302586 A CN 110302586A CN 201910743127 A CN201910743127 A CN 201910743127A CN 110302586 A CN110302586 A CN 110302586A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- strainer cloth
- sliding block
- plectane
- liquid extract
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 14
- 238000001914 filtration Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 14
- 238000002386 leaching Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
- B01D33/0353—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to TCM liquid extract production technical fields, and disclose a kind of TCM liquid extract filter device, including cabinet, sealing cylinder, sliding block, adjustable spring, connecting rod, plectane, strainer cloth, cranse, the central location of cabinet wall bottom is provided with sealing cylinder, and seal cylinder is internally provided with sliding block and adjustable spring；The center of slider top is provided with connecting rod, and the other end of connecting rod is provided with plectane at the top of sealing cylinder, and the outer edge of plectane is provided with strainer cloth, and the outer edge of strainer cloth is connected by the inner sidewall of cranse and cabinet.The present invention pushes sliding block to the basal sliding of sealing cylinder by connecting rod, cooperate the elastic acting force of adjustable spring simultaneously, under the retracted position repeatedly of adjustable spring, entire strainer cloth is promoted to be shaken repeatedly up and down, therefore the impurity on strainer cloth is shaken, the generation of clogging is formed to strainer cloth so as to avoid impurity, and then improves the effect and efficiency of filtering.
Description
Technical field
The present invention relates to TCM liquid extract production technical field, specially a kind of TCM liquid extract filter device.
Background technique
Leaching liquor is liquid relative article put into after reagent impregnates, and leaching liquor often contains a large amount of impurity,
Contain a large amount of suspended particulate substances in the leaching liquor being discharged after immersion, if directly being handled using filter plant leaching liquor, hangs
Floating particles object blocks with easily causing filter bag and its ultrafiltration membrane, not only the poor filtration effect of leaching liquor, but also greatly shortens filtering
The service life of equipment, therefore before leaching liquor enters filter plant, removal of impurities processing before generally carrying out.
Currently, the device that removal of impurities is handled before filtering to leaching liquor, generally uses aperture for the stainless steel filter head of 2~3mm, filter
It is enclosed with the stainless steel filtering net of 80 mesh in head, pre-treatment is carried out to leaching liquor.Before the exclusion device of this spline structure carries out leaching liquor
Processing, often there is a phenomenon where blocking in dedoping step, causes that impurity-eliminating effect is poor, efficiency is slow since the area of stainless steel filter head is small.
Summary of the invention
(1) the technical issues of solving
The object of the present invention is to provide a kind of TCM liquid extract filter devices, have reached and have shaken the impurity on strainer
Purpose, so as to avoid impurity to strainer cloth formed clogging generation.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of TCM liquid extract filter device, including it is cabinet, close
Cylinder, sliding block, adjustable spring, connecting rod, plectane, strainer cloth, cranse are sealed, the central location of the cabinet wall bottom is provided with close
Cylinder is sealed, the sealing cylinder is internally provided with sliding block and adjustable spring, and adjustable spring one end is connect with sealing cylinder bottom portion, the other end
It is connect with sliding block, the inner sidewall of the lateral wall and sealing cylinder of the sliding block is slidably connected；The center of the slider top is provided with
The other end of connecting rod, connecting rod is provided with plectane at the top of sealing cylinder, and the outer edge of plectane is provided with strainer cloth, strainer
The outer edge of cloth is connected by the inner sidewall of cranse and cabinet；The bottom of box is provided with outlet tube, sets on the outlet tube
It is equipped with shut-off valve, is provided with inlet tube in the middle part of the cabinet.
Further, the inner upper of cabinet is provided with piston, and top land is provided with headstock by motion bar；Piston with
Tension spring is provided between at the top of cabinet wall；
The upper end of motion bar sequentially passes through cabinet and headstock and extends to inside it, the top and track plates bottom of the motion bar
Portion is fixedly connected；
It is provided with driving motor in headstock, the output end of the driving motor is provided with cam, at the top of cam and track plates
Track groove contact.
Further, the convex portion of cam and track plates are rotatablely connected.
Further, the mesh number of the strainer cloth is 80 mesh, and the strainer cloth is made of stretchy nylon material.
Further, inclined plate is located in the box body the bottom of wall, and the angle of gradient of the inclined plate is 30 °.
(3) beneficial effect
The present invention provides a kind of TCM liquid extract filter devices.Have it is following the utility model has the advantages that
(1), the present invention is entered the inside of cabinet by medical fluid by inlet tube, at this time since inlet tube is located at the top of cabinet side
Portion, medical fluid forms biggish potential energy when whereabouts, therefore forms impact force for strainer cloth, in strainer cloth by the same of impact force
When, plectane pushes sliding block to the basal sliding of sealing cylinder by connecting rod, while cooperating the elastic reaction of adjustable spring, flexible
Under the retracted position repeatedly of spring, entire strainer cloth is promoted to be shaken repeatedly up and down, thus for the impurity on strainer cloth into
Row concussion to promote liquid quickly smoothly by strainer, and then improves the effect and efficiency of filtering.
(2), the present invention makes cam carry out uniform rotation by the operation of driving motor, while while cam rotation,
Due to the irregular roundness shape state of cam, track plates are formed with downward thrust, makes motion bar while moving down
Piston moves downward for promotion, therefore compresses to the air of entire box house, gradually increases internal pressure, to compel
Filter medical fluid quickly by strainer cloth, while piston upwards, the air of box house is in tensional state at this time, makes
Air inside the confined space is expanded, therefore the air pressure of box house gradually becomes smaller, to keep strainer cloth bottom below
Pressure is greater than the pressure more than it, therefore for forming adsorption capacity above strainer cloth, the impurity of blocking mesh is inhaled
It is attached to come out, blocking of the impurity to strainer cloth is avoided, the filter efficiency of medical fluid is promoted.
Detailed description of the invention
Fig. 1 is the front schematic view of structure of the invention；
Fig. 2 is structure of the invention front cut-away view；
Fig. 3 is the top view of structure of the invention strainer cloth.
In figure: 1, cabinet；2, cylinder is sealed；3, sliding block；4, adjustable spring；5, connecting rod；6, plectane；7, strainer cloth；8, it binds round
Circle；9, raised head；10, inclined plate；11, outlet tube；12, inlet tube；13, piston；14, tension spring；15, motion bar；16, headstock；
17, track plates；18, driving motor；19, cam.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of TCM liquid extract filter device, including cabinet 1,
Seal cylinder 2, sliding block 3, adjustable spring 4, connecting rod 5, plectane 6, strainer cloth 7, cranse 8, raised head 9, inclined plate 10, outlet tube 11,
Inlet tube 12, piston 13, tension spring 14, motion bar 15, headstock 16, track plates 17, driving motor 18 and cam 19, in cabinet 1
The middle position of wall bottom is fixedly connected with the bottom of sealing cylinder 2, and sliding block 3 and adjustable spring 4 are respectively positioned on the inside for sealing cylinder 2,
The lateral wall of sliding block 3 and seal cylinder 2 inner sidewall be slidably connected, the both ends of adjustable spring 4 respectively with the bottom of sliding block 3 and sealing
The bottom of 2 inner wall of cylinder is fixedly connected, and the middle position at the top of sliding block 3 is fixedly connected with one end of connecting rod 5, connecting rod 5 it is another
One end is through the top for sealing cylinder 2 and extends to its top, and the top of connecting rod 5 and the middle position of 6 bottom of plectane are fixed and connected
It connects, the outer edge of plectane 6 is fixedly connected with the inner sidewall of strainer cloth 7, the lateral wall of cranse 8 and the fixed company of the inner sidewall of cabinet 1
It connects, and the lateral wall of strainer cloth 7 is fixedly connected with the inner sidewall of cranse 8, is entered in cabinet 1 by medical fluid by inlet tube 12
Portion, at this time since inlet tube 12 is located at the top of 1 side of cabinet, medical fluid forms biggish potential energy when whereabouts, therefore for strainer
Cloth 7 forms impact force, and while strainer cloth 7 is by impact force, plectane 6 pushes sliding block 3 to sealing cylinder 2 by connecting rod 5
Basal sliding, while cooperating the elastic acting force of adjustable spring 4, under the retracted position repeatedly of adjustable spring 4, promote entirely to filter
About 7 screen cloth is shaken repeatedly, therefore the impurity on strainer cloth 7 is shaken, so as to avoid impurity to strainer cloth 7
The generation of clogging is formed, and then improves the effect and efficiency of filtering.
The mesh number of strainer cloth 7 is 80 mesh, and strainer cloth 7 is stretchy nylon structure, and the material of strainer cloth 7 is nylon cloth, Buddhist nun
Imperial cloth itself has excellent elastic deformation ability, therefore can be more advantageous to strainer cloth 7 using the nylon cloth of elasticity
Trembling, the top of plectane 6 are fixedly connected with the bottom of raised head 9 up and down, and the shape of raised head 9 is semicircle ball shape, raised head 9
Effect can make filtrate there is no the generations for remaining on phenomenon on plectane 6, therefore filtrate can be made quickly to enter strainer
On cloth 7.To improve the effect for filtering, inclined plate 10 is located at the bottom of 1 inner wall of cabinet, and the angle of gradient of inclined plate 10 is 30 °,
The heeling condition of inclined plate 10 is arranged, and can be oriented to the liquid after the completion of filtering, flow rapidly into liquid in outlet tube 11,
Therefore the discharge efficiency of filtrate is improved, while avoids the generation that filtrate remains in 1 internal phenomena of cabinet, 1 bottom of cabinet
Side is connected to the fixation of one end of outlet tube 11, and shut-off valve, the right side of cabinet 1 and the one of inlet tube 12 are provided on outlet tube 11
The fixed connection in end, piston 13 is located at the inside of cabinet 1, and the lateral wall of piston and the inner sidewall of cabinet 1 are slidably connected, piston 13
The two sides at top are fixedly connected with one end of two tension springs 14 respectively, the other end of two tension springs 14 respectively with 1 inner wall top of cabinet
The two sides in portion are fixedly connected, and the middle position at 13 top of piston is fixedly connected with one end of motion bar 15, the centre at 1 top of cabinet
Position is fixedly connected with the bottom of headstock 16, and the other end of motion bar 15 sequentially passes through cabinet 1 and headstock 16 and extends
Inside to it, the top of motion bar 15 is fixedly connected with the middle position of 17 bottom of track plates, passes through the operation of driving motor 18
Cam 19 is set to carry out uniform rotation, while while cam 19 rotates, it is right due to the irregular roundness shape state of cam 19
Track plates 17 form downward thrust, make motion bar 15 push piston 13 to move downward while moving down, therefore to whole
Air inside a cabinet 1 is compressed, and gradually increases internal pressure, so that medical fluid be forced to be carried out quickly by strainer cloth 7
Filtering, while piston 13 moves upwards, the air inside cabinet 1 is in tensional state at this time, makes the air inside the confined space
It is expanded, therefore the air pressure inside cabinet 1 gradually becomes smaller, so that 7 bottom of strainer cloth pressure below be made to be greater than more than it
Pressure, therefore adsorption capacity is formed for the medical fluid of 7 top of strainer cloth, therefore improve the filter effect to medical fluid, headstock 16
The two sides of inner wall are fixedly connected with the two sides of driving motor 18 respectively, and the output end of driving motor 18 and the side of cam 19 are driven
Connection, and cam 19 is in contact with the track groove at 17 top of track plates.
When in use, medical fluid is located at the top of 1 side of cabinet due to inlet tube 12 at this time, and medical fluid is formed biggish when whereabouts
Potential energy, therefore impact force is formed for strainer cloth 7, while strainer cloth 7 is by impact force, plectane 6 is pushed by connecting rod 5
Basal sliding of the sliding block 3 to sealing cylinder 2, while cooperating the elastic acting force of adjustable spring 4, in stretching repeatedly for adjustable spring 4
Under state, entire about 7 strainer cloth is promoted to be shaken repeatedly, therefore shake for the impurity on strainer cloth 7, to keep away
Exempt from the generation that impurity forms clogging to strainer cloth 7, so that cam 19 is carried out uniform rotation by the operation of driving motor 18,
Simultaneously while cam 19 rotates, due to the irregular roundness shape state of cam 19, downward push away is formed to track plates 17
Power makes motion bar 15 push piston 13 to move downward while moving down, therefore carries out to the air inside entire cabinet 1
Compression gradually increases internal pressure, to force medical fluid quickly to be filtered by strainer cloth 7, while piston 13 is transported upwards
Dynamic, the air inside cabinet 1 is in tensional state at this time, expands the air inside the confined space, therefore inside cabinet 1
Air pressure gradually become smaller, to make 7 bottom of strainer cloth pressure below be greater than the pressure more than it, therefore on strainer cloth 7
The medical fluid of side forms adsorption capacity, therefore improves the filter effect to medical fluid, simultaneously.
Control mode of the invention is automatically controlled by controller, the skill that the control circuit of controller passes through this field
Art personnel's simple programming can be realized, and the offer of power supply also belongs to the common knowledge of this field, and the present invention is mainly used to protect
Mechanical device is protected, so the present invention is not explained control mode and circuit connection.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of TCM liquid extract filter device, it is characterised in that: including cabinet (1), sealing cylinder (2), sliding block (3), flexible bullet
The central location of spring (4), connecting rod (5), plectane (6), strainer cloth (7), cranse (8), cabinet (1) the inner wall bottom is provided with
It seals cylinder (2), sealing cylinder (2) is internally provided with sliding block (3) and adjustable spring (4), adjustable spring (4) one end and sealing
The connection of cylinder (2) bottom, the other end are connect with sliding block (3), and the lateral wall of the sliding block (3) and the inner sidewall of sealing cylinder (2) slide
Connection；Center at the top of the sliding block (3) is provided with connecting rod (5), and the other end of connecting rod (5) is through the top of sealing cylinder (2)
Portion is provided with plectane (6), and the outer edge of plectane (6) is provided with strainer cloth (7), the outer edge of strainer cloth (7) by cranse (8) with
The inner sidewall of cabinet (1) connects；
Cabinet (1) bottom is provided with outlet tube (11), and shut-off valve, the cabinet (1) are provided on the outlet tube (11)
Middle part be provided with inlet tube (12).
2. a kind of TCM liquid extract filter device according to claim 1, it is characterised in that: the inner upper of cabinet (1)
It is provided with piston (13), motion bar (15) is provided with headstock (16) at the top of piston (13)；In piston (13) and cabinet (1)
Tension spring (14) are provided between at the top of wall；
The upper end of motion bar (15) sequentially passes through cabinet (1) and headstock (16) and extends to inside it, the motion bar (15)
Top be fixedly connected with track plates (17) bottom；
It is provided with driving motor (18) in headstock (16), the output end of the driving motor (18) is provided with cam (19), convex
Wheel (19) is contacted with the track groove at the top of track plates (17).
3. a kind of TCM liquid extract filter device according to claim 2, it is characterised in that: the mesh of the strainer cloth (7)
Number is 80 mesh, and the strainer cloth (7) is made of stretchy nylon material.
4. a kind of TCM liquid extract filter device according to claim 3, it is characterised in that: inclined plate (10) is located at cabinet
(1) bottom of inner wall, the angle of gradient of the inclined plate (10) are 30 °.
5. a kind of TCM liquid extract filter device according to claim 4, it is characterised in that: the top of plectane (6) is arranged
Have raised head (9), the shape of raised head (9) is semicircle ball shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743127.5A CN110302586A (en) | 2019-08-13 | 2019-08-13 | A kind of TCM liquid extract filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743127.5A CN110302586A (en) | 2019-08-13 | 2019-08-13 | A kind of TCM liquid extract filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110302586A true CN110302586A (en) | 2019-10-08 |
Family
ID=68083467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910743127.5A Pending CN110302586A (en) | 2019-08-13 | 2019-08-13 | A kind of TCM liquid extract filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110302586A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111700202A (en) * | 2020-07-06 | 2020-09-25 | 湖北大别山药业股份有限公司 | Be used for honeysuckle beverage processing to use automatic filter equipment |
| CN113214901A (en) * | 2021-05-21 | 2021-08-06 | 江西盛伟科技股份有限公司 | Be added with soaking device for chemical industry spices processing of lily |
| CN115475444A (en) * | 2022-09-23 | 2022-12-16 | 江西万弘高新技术材料有限公司 | Neodymium iron boron waste hydrochloric acid optimal-dissolution washing and filtering device and filtering method thereof |
| CN116020191A (en) * | 2022-12-26 | 2023-04-28 | 青岛农业大学 | Crystal filter equipment is used in preparation of cefalotin |
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| GB530329A (en) * | 1939-06-09 | 1940-12-10 | Pinchin Johnson & Company Ltd | Improvements in or relating to the filtering or straining of fluids |
| CH350273A (en) * | 1956-12-10 | 1960-11-30 | Prvni Brnenska Strojirna | Filters for liquids, especially oil |
| US4021354A (en) * | 1975-10-31 | 1977-05-03 | Bristol-Myers Company | Pressure filter |
| US4971688A (en) * | 1988-08-19 | 1990-11-20 | Centre Technique Industriel: Institut Textile de France | Apparatus for separating at least two elements contained in a liquid or gaseous fluid by means of an absorbent filtering material |
| CN2841134Y (en) * | 2005-11-19 | 2006-11-29 | 岳阳市新科环保设备工程有限公司 | On-line back kicking device for inorganic film separation |
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| CN208757112U (en) * | 2018-08-22 | 2019-04-19 | 贵州盛昌药业有限公司 | A kind of storage tank of band precipitating filter device |
| CN211158834U (en) * | 2019-08-13 | 2020-08-04 | 秦宝宏 | Traditional chinese medicine leaching liquid filter equipment |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB530329A (en) * | 1939-06-09 | 1940-12-10 | Pinchin Johnson & Company Ltd | Improvements in or relating to the filtering or straining of fluids |
| CH350273A (en) * | 1956-12-10 | 1960-11-30 | Prvni Brnenska Strojirna | Filters for liquids, especially oil |
| US4021354A (en) * | 1975-10-31 | 1977-05-03 | Bristol-Myers Company | Pressure filter |
| US4971688A (en) * | 1988-08-19 | 1990-11-20 | Centre Technique Industriel: Institut Textile de France | Apparatus for separating at least two elements contained in a liquid or gaseous fluid by means of an absorbent filtering material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111700202A (en) * | 2020-07-06 | 2020-09-25 | 湖北大别山药业股份有限公司 | Be used for honeysuckle beverage processing to use automatic filter equipment |
| CN113214901A (en) * | 2021-05-21 | 2021-08-06 | 江西盛伟科技股份有限公司 | Be added with soaking device for chemical industry spices processing of lily |
| CN115475444A (en) * | 2022-09-23 | 2022-12-16 | 江西万弘高新技术材料有限公司 | Neodymium iron boron waste hydrochloric acid optimal-dissolution washing and filtering device and filtering method thereof |
| CN115475444B (en) * | 2022-09-23 | 2023-11-21 | 江西万弘高新技术材料有限公司 | Neodymium iron boron waste hydrochloric acid optimal solution washing and filtering device and filtering method thereof |
| CN116020191A (en) * | 2022-12-26 | 2023-04-28 | 青岛农业大学 | Crystal filter equipment is used in preparation of cefalotin |
| CN116020191B (en) * | 2022-12-26 | 2023-10-10 | 青岛农业大学 | Crystal filter equipment is used in preparation of cefalotin |
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