CN220834454U - N-butyl lithium production filtration structure - Google Patents
N-butyl lithium production filtration structure Download PDFInfo
- Publication number
- CN220834454U CN220834454U CN202322290248.3U CN202322290248U CN220834454U CN 220834454 U CN220834454 U CN 220834454U CN 202322290248 U CN202322290248 U CN 202322290248U CN 220834454 U CN220834454 U CN 220834454U
- Authority
- CN
- China
- Prior art keywords
- roller
- filtration
- membrane cloth
- butyllithium
- filtering
- 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
- 238000001914 filtration Methods 0.000 title claims abstract description 77
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 239000004744 fabric Substances 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 241000220317 Rosa Species 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 2
- 238000003825 pressing Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 241000201246 Cycloloma atriplicifolium Species 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a filter structure for producing n-butyllithium, which comprises a filter box, lifting grooves, a sinking and pressing roller, side brackets, a sinking and pressing roller, a guide roller, a winding roller and filter membrane cloth, wherein the lifting grooves are formed in the inner wall of the filter box, the sinking and pressing roller is clamped between the two lifting and pressing grooves through short shafts on two sides, the sinking and pressing roller is formed in two sides of the top of the filter box, the guide roller is rotatably arranged in the sinking and pressing groove, the side brackets are arranged on the outer wall of the filter box through bolts, the winding roller is clamped between the two side brackets, and two ends of the filter membrane cloth are wound on the outer wall of the winding roller. Through the design and the use of winding roller, filtration membrane cloth and heavy compression roller, filtration membrane cloth also is in synchronous slow moving, can guarantee the cleanliness factor of filtering position in real time, and the effectual filtration of solving takes place to block up easily and influences filtration efficiency in filtration process to and fluid impact is easy with the plug wash out the filtration pore nevertheless and drop among the solution that filters and cause secondary mixed pollution's problem.
Description
Technical Field
The utility model relates to the technical field of chemistry, in particular to a filtering structure for producing n-butyllithium.
Background
N-butyllithium is an anionic polymerization initiator widely applied to the industries of pharmaceutical chemicals, liquid crystal electronics, rubber, scientific research, food additives and the like.
At present, in the process of producing n-butyllithium, domestic manufacturers are basically matched and self-used, and the impurity content requirement of the product is not very strict, so that the product is simply filtered and separated. According to discussion of butyllithium filtration technology, it has been explicitly mentioned that: and (3) feeding butyl lithium reaction solution with the solid content of 5% -10% into a natural settling tank for gravity settling, wherein 80% -90% of solid residues are settled, and the upper part of the natural settling tank is a supernatant liquid containing solid particles with the particle size of 15 mu m in raining. And (3) sending the supernatant into a filter for filtering, effectively intercepting tiny solid particles with the particle size of 4-15 mu m, sending qualified filtrate into a butyl lithium tank for storage, and pressing filter residues into a residue tank through a flushing solvent.
The supernatant filtering device is usually implemented by a microporous filter, and of course, whether the microporous filter or a normal filter is adopted, there is a unified defect in filtering, that is, the filtering holes are inevitably blocked by the filtered particles in the filtering process, not only affects the filtering efficiency, but also the particles blocked in the filtering holes are punched out of the filtering holes due to the impact force of fluid in the filtering process in a flowing state, and are secondarily mixed with the filtering solution again.
Therefore, we propose a filtering device mainly used for n-butyllithium production to solve the above-mentioned problems in the filtering process.
Disclosure of utility model
The utility model aims to provide a filtering structure for producing n-butyllithium, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a n-butyl lithium production filtration, includes rose box, lift groove, heavy compression roller, side stand, sunken groove, guide roll, winding roller and filtration membrane cloth, the lift groove is seted up on the inner wall of rose box, heavy compression roller passes through the minor axis joint of both sides two between the lift groove, the both sides at the rose box top are seted up to sunken groove, the guide roll rotatable mounting is in sunken groove, the side stand passes through the bolt mounting on the outer wall of rose box, winding roller joint is two between the side stand, the both ends of filtration membrane cloth all are rolled up on the outer wall of winding roller.
Preferably, the part of the filtering membrane located in the inner cavity of the filtering box penetrates through the bottom of the sedimentation roller.
Preferably, the parts of the filter membrane cloth on the two sides of the top of the filter box are covered on the outer ring of the guide roller.
Preferably, the side stand is provided with scraping mechanism in the inboard, scraping mechanism includes scrapes strip, bracing piece, threaded rod, positioning nut and lock nut, scrape the strip suit on the outer lane of bracing piece, threaded rod fixed mounting is on the side of bracing piece, positioning nut screw thread is installed on the outer lane of bracing piece, lock nut screw thread is installed on the outer lane of threaded rod.
Preferably, one end of the threaded rod penetrates through the side support and extends to the outer side of the side support, each supporting rod is sleeved with two positioning nuts, and the two positioning nuts are respectively located on the upper side and the lower side of the scraping strip.
Preferably, a discharging pipe is arranged at the bottom of the side face of the filter box.
Compared with the prior art, the utility model has the beneficial effects that:
this n-butyl lithium production filtration, through the design and the use of winding roller, filtration membrane cloth and sedimentation roller, when filtering n-butyl lithium solution, filtration membrane cloth also is in synchronous slow movement, like this in filtration process alright guarantee the cleanliness factor of filtering the position in real time, can guarantee filtration efficiency, the filtration is easy to take place to block up and influence filtration efficiency in filtration process to and fluid impact is easy with the plug punching out the filtration pore and drop the problem that causes secondary mixed pollution among the solution that filters.
This n-butyl lithium production filtration through the design and the use of two winding rollers and scraping the strip, when carrying out the filter operation, based on filtering the basis of rolling simultaneously, clear away the operation to remaining filter residue before the rolling, then alright reverse pulling filtration membrane cloth filters, and is more convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the structure of the present utility model;
FIG. 3 is a cross-sectional view of the structure of the present utility model;
Fig. 4 is a schematic view of the structure of the scraping strip of the present utility model.
In the figure: 1. a filter box; 2. a lifting groove; 3. a short shaft; 4. a sinking roller; 5. a side bracket; 6. a concave groove; 7. a guide roller; 8. a winding roller; 9. a filtering membrane cloth; 10. scraping the strip; 11. a support rod; 12. a threaded rod; 13. positioning a nut; 14. a lock nut; 15. and a discharging pipe.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The utility model provides a n-butyl lithium production filtration, including rose box 1, lift groove 2, heavy compression roller 4, side support 5, sunken groove 6, guide roll 7, wind roller 8 and filtration membrane cloth 9, lift groove 2 is seted up on the inner wall of rose box 1, heavy compression roller 4 passes through the short axle 3 joint of both sides between two lift grooves 2, the both sides at rose box 1 top are seted up to sunken groove 6, guide roll 7 rotatable mounting is in sunken groove 6, side support 5 passes through the bolt mounting on the outer wall of rose box 1, wind roller 8 joint is between two side support 5, the both ends of filtration membrane cloth 9 all wind on the outer wall of wind roller 8.
Wherein, the part of the filtering membrane cloth 9 positioned in the inner cavity of the filtering box 1 penetrates through the bottom of the sedimentation roller 4. The sedimentation roller 4 adopts a solid roller design, so that when the n-butyllithium solution is filtered, the sedimentation roller 4 can press the filtering membrane cloth 9 positioned in the filtering box 1 into a triangle shape.
Wherein, the parts of the filtering membrane cloth 9 at the two sides of the top of the filtering box 1 are covered on the outer ring of the guide roller 7. The main function of the guide roller 7 is to turn around the portion of the filter membrane cloth 9 that is led out of the filter box 1, thereby improving the smoothness of movement of the filter membrane cloth 9.
In this embodiment, as shown in fig. 1 to 3, it should be noted that the top of the filter box 1 should be provided with a box cover, and a feed port should be provided on the box cover for introducing n-butyllithium solution. Meanwhile, a motor needs to be installed on the side face of the side support 5, and an output shaft of the motor is in butt joint with a rotating shaft on the end face of the winding roller 8 and is mainly used for driving the winding roller 8 to rotate. During formal filtration, n-butyllithium mixed solution is introduced into the uninterrupted phase filtration tank 1, the mixed solution directly impinges on the filtration membrane cloth 9, the mixed solution is required to fall off from the higher end of the filtration membrane cloth 9, filtration action can occur at the moment of impinging on the filtration membrane cloth 9, when the mixed solution gradually approaches to the middle along the inclined plane of the filtration membrane cloth 9, the continuous filtration process and the mixed solution introduction process synchronously occur, the winding roller 8 is slowly wound, of course, only one winding roller 8 is wound, and the other winding roller 8 is required to wind the clean filtration membrane cloth 9, so that when the mixed solution is introduced, the filtration membrane cloth 9 is also in a slow moving process, namely, the winding roller 8 pulls and transfers the filtration membrane cloth 9 which has been filtered once out of the filtration tank 1, winds the filtration membrane cloth 9, and simultaneously moves the clean filtration membrane cloth 9 to a filtration area for filtration.
Example 2
The inboard of side support 5 is provided with scrapes the mechanism, scrapes the mechanism and includes scrapes strip 10, bracing piece 11, threaded rod 12, locating nut 13 and lock nut 14, scrapes the strip 10 suit on the outer lane of bracing piece 11, threaded rod 12 fixed mounting is on the side of bracing piece 11, and locating nut 13 screw thread is installed on the outer lane of bracing piece 11, and lock nut 14 screw thread is installed on the outer lane of threaded rod 12.
One end of the threaded rod 12 penetrates through the side bracket 5 and extends to the outer side of the side bracket 5, each supporting rod 11 is sleeved with two positioning nuts 13, and the two positioning nuts 13 are respectively located on the upper side and the lower side of the scraping strip 10.
Wherein, the bottom of filter tank 1 side is provided with discharging pipe 15.
In this embodiment, as shown in fig. 1-4, on the basis of the embodiment, i.e. after the filter membrane cloth 9 is adjusted, the lock nut 14 is loosened first, then the supporting rod 11 drives the scraping bar 10 to rotate by an angle until the scraping bar 10 is adjusted to be in contact with the surface of the filter membrane cloth 9, even in a tight state, then on the basis of the embodiment 1, the filter membrane cloth 9 is continuously pulled out, when the filter membrane cloth 9 is pulled out, the scraping bar 10 is in contact with the surface of the filter membrane cloth 9, so that residues remained on the filter membrane cloth 9 can be scraped off, when the filter membrane cloth is used up, the residues are scraped off once, and when the device is reused, the winding roller 8 on the other side is started, and the reverse winding is performed, so that the filtering operation can be performed again.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a n-butyl lithium production filtration, includes rose box (1), lift groove (2), heavy compression roller (4), side stand (5), sunken groove (6), guide roll (7), winding roller (8) and filtration membrane cloth (9), its characterized in that: lifting groove (2) are seted up on the inner wall of rose box (1), countersunk roller (4) pass through minor axis (3) joint of both sides between two lifting groove (2), both sides at rose box (1) top are seted up in sunken groove (6), guide roll (7) rotatable install in sunken groove (6), side stand (5) are installed on the outer wall of rose box (1) through the bolt, winding roller (8) joint is two between side stand (5), the both ends of filtration membrane cloth (9) are all rolled up on the outer wall of winding roller (8).
2. The n-butyllithium producing filter structure of claim 1, wherein: the part of the filtering membrane cloth (9) positioned in the inner cavity of the filtering box (1) penetrates through the bottom of the self-precipitating roller (4).
3. The n-butyllithium producing filter structure of claim 1, wherein: the parts of the filtering membrane cloth (9) positioned at the two sides of the top of the filtering box (1) are covered on the outer ring of the guide roller (7).
4. The n-butyllithium producing filter structure of claim 1, wherein: the side stand (5) inboard is provided with scrapes the mechanism, scrape the mechanism and including scraping strip (10), bracing piece (11), threaded rod (12), locating nut (13) and lock nut (14), scrape strip (10) suit on the outer lane of bracing piece (11), threaded rod (12) fixed mounting is on the side of bracing piece (11), locating nut (13) screw thread installation is on the outer lane of bracing piece (11), lock nut (14) screw thread installation is on the outer lane of threaded rod (12).
5. The n-butyllithium producing filter structure according to claim 4, wherein: one end of the threaded rod (12) penetrates through the side support (5) and extends to the outer side of the side support (5), each supporting rod (11) is sleeved with two positioning nuts (13), and the two positioning nuts (13) are respectively located on the upper side and the lower side of the scraping strip (10).
6. The n-butyllithium producing filter structure of claim 1, wherein: the bottom of the side face of the filter box (1) is provided with a discharge pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322290248.3U CN220834454U (en) | 2023-08-25 | 2023-08-25 | N-butyl lithium production filtration structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322290248.3U CN220834454U (en) | 2023-08-25 | 2023-08-25 | N-butyl lithium production filtration structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220834454U true CN220834454U (en) | 2024-04-26 |
Family
ID=90771745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322290248.3U Active CN220834454U (en) | 2023-08-25 | 2023-08-25 | N-butyl lithium production filtration structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220834454U (en) |
-
2023
- 2023-08-25 CN CN202322290248.3U patent/CN220834454U/en active Active
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