CN213853489U - Multistage filtering device for isocyanate synthesis - Google Patents
Multistage filtering device for isocyanate synthesis Download PDFInfo
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- CN213853489U CN213853489U CN202022550452.0U CN202022550452U CN213853489U CN 213853489 U CN213853489 U CN 213853489U CN 202022550452 U CN202022550452 U CN 202022550452U CN 213853489 U CN213853489 U CN 213853489U
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Abstract
The utility model belongs to the field of isocyanate processing equipment, in particular to a multistage filtering device for isocyanate synthesis, which comprises a box body and a feeding hopper, wherein the top of the box body is provided with a driving motor, the output end of the driving motor is fixedly connected with a filtering box, and the filtering box is provided with a through hole; when using, the material that gets into in the rose box drives the rotation influence of rose box and deviates from among the through-hole under the slope direction of rose box diapire gradually at driving motor, and impurity persists and realizes the one-level filtration in the rose box, the filter that sets up through the collecting box bottom carries out the secondary filter, and when the material that filters out in the filter arrived the position of filtering the gauze in whereabouts, realize tertiary filtration through filtering the gauze, thereby make the primary operation process of this scheme just can accomplish multistage filtration, when having guaranteed filtering quality, the work efficiency of filtering operation has also been increased, thereby effectively improved the practicality.
Description
Technical Field
The utility model belongs to isocyanate processing equipment field specifically is a multistage filter equipment for isocyanate is synthetic.
Background
Isocyanate is a general name of various esters of isocyanic acid, is used in industries such as household appliances, automobiles, buildings, shoe industry, furniture, adhesives and the like, and is mainly produced by a primary amine phosgene method in industry.
When current processing is filtered isocyanate, in order to guarantee filtration quality and filter effect, need use same filter mechanism usually and carry out a lot of filtration, though the operation mode is good repeatedly like this filtration quality, nevertheless corresponding also can make the filtration time extension, and work efficiency is lower to influence the practicality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for synthetic multistage filter equipment of isocyanate to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a multi-stage filtering device for isocyanate synthesis comprises a box body and a feeding hopper, wherein a driving motor is arranged at the top of the box body, the output end of the driving motor is fixedly connected with a filtering box, the filtering box is provided with a through hole, the bottom of the filtering box is fixedly connected with a connecting rod, the outer wall of the connecting rod is fixedly connected with two stirring blades, a top cover is fixedly clamped at the top of the box body, the driving motor is fixedly connected with the top cover, the outer wall of the box body is fixedly connected with two connecting blocks which are symmetrically distributed, the upper ends of the connecting blocks are fixedly connected with bolts, the bolts are in threaded connection with a positioning plate, the inner side of the box body is in sliding connection with a collecting box, a filtering plate is fixedly connected at the bottom of the collecting box, two L-shaped positioning blocks are fixedly connected at the bottom of the filtering plate, and fixing bolts are fixedly connected at the upper end faces of the L-shaped positioning blocks, the inner side of the box body is provided with a filtering gauze, and the two fixing bolts penetrate through the filtering gauze.
As a further aspect of the present invention: one end of the feeding hopper penetrates through the top cover and is fixedly connected with the top cover.
As a further aspect of the present invention: the locating plate is provided with a thread groove, and the bolt is in threaded connection with the thread groove.
As a further aspect of the present invention: and one end of the fixing bolt is in threaded connection with a nut.
As a further aspect of the present invention: the two sides of the inner wall of the box body are fixedly connected with supporting plates, and the collecting box is placed at the upper ends of the two supporting plates.
As a further aspect of the present invention: the inner walls of the box body, the filter box and the collecting box are all coated with Teflon coatings.
As a further aspect of the present invention: the aperture of the through hole is larger than the aperture of the filtering hole of the filtering plate.
Compared with the prior art, the beneficial effects of the utility model are that:
when the scheme is used, a material is put into the filter box on the inner side of the box body by the feeding hopper, the material entering the filter box is gradually separated from the through hole under the inclined guide of the bottom wall of the filter box under the drive of the drive motor to drive the rotation influence of the filter box, and impurities are remained in the filter box to realize primary filtration, when the material separated from the through hole enters the collection box to flow downwards under the influence of gravity, secondary filtration is carried out by the filter plate arranged at the bottom of the collection box, and the connecting rod at the bottom of the filter box can drive the stirring blade to stir the upper end surface wall of the filter plate due to the drive of the drive motor to drive the rotation of the filter box, so that the impurities are prevented from remaining and adhering on the surface of the collection box to block the filter plate when the material filtered from the filter plate falls to the position of the filter screen, tertiary filtration is realized by the filter screen, and thus the multi-stage filtration can be completed in one operation process of the scheme, the filtering quality is ensured, and meanwhile, the working efficiency of filtering operation is increased, so that the practicability is effectively improved.
Drawings
FIG. 1 is a schematic view of a multistage filter apparatus for isocyanate synthesis;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic diagram showing the structure of a filter box in a multistage filter device for isocyanate synthesis.
In the figure: 1. a box body; 11. feeding into a hopper; 12. a support plate; 2. a drive motor; 3. a filter box; 301. a through hole; 31. a connecting rod; 32. stirring the blades; 4. a top cover; 5. connecting blocks; 51. a bolt; 52. positioning a plate; 521. a thread groove; 6. a collection box; 61. a filter plate; 62. an L-shaped positioning block; 621. a fixing bolt; 622. a nut; 7. a filter screen.
Detailed Description
Referring to fig. 1-4, in the embodiment of the present invention, a multi-stage filtering device for isocyanate synthesis comprises a box body 1 and a feeding hopper 11, a driving motor 2 is disposed on the top of the box body 1, a filtering box 3 is fixedly connected to the output end of the driving motor 2, a through hole 301 is disposed on the filtering box 3, a connecting rod 31 is fixedly connected to the bottom of the filtering box 3, two stirring blades 32 are fixedly connected to the outer wall of the connecting rod 31, a top cover 4 is fixedly engaged with the top of the box body 1, the driving motor 2 is fixedly connected with the top cover 4, two symmetrically distributed connecting blocks 5 are fixedly connected to the outer wall of the box body 1, a bolt 51 is fixedly connected to the upper end of the connecting block 5, the bolt 51 is threadedly connected with a positioning plate 52, a collecting box 6 is slidably connected to the inner side of the box body 1, a filtering plate 61 is fixedly connected to the bottom of the collecting box 6, and two L-shaped positioning blocks 62 are fixedly connected to the bottom of the filtering plate 61, the upper end face of the L-shaped positioning block 62 is fixedly connected with a fixing bolt 621, the inner side of the box body 1 is provided with a filtering gauze 7, and the two fixing bolts 621 penetrate through the filtering gauze 7; when the filter box is used, a material is put into the filter box 3 on the inner side of the box body 1 through the hopper 11, the material entering the filter box 3 is gradually separated from the through hole 301 under the inclined guide of the bottom wall of the filter box 3 under the rotating influence of the drive motor 2 driving the filter box 3, and impurities are remained in the filter box 3 to realize primary filtration, at the moment, when the material separated from the through hole 301 enters the collection box 6 to flow downwards under the influence of gravity, secondary filtration is carried out through the filter plate 61 arranged at the bottom of the collection box 6, and the connecting rod 31 at the bottom of the filter box 3 can also drive the stirring blade 32 to stir the upper end surface wall of the filter plate 61 due to the rotation of the filter box 3 driven by the drive motor 2, so that the impurities are prevented from remaining and adhering to the surface of the collection box 6 to block the filter plate 61 when the material filtered from the filter plate 61 falls to the position of the filter screen 7, realize tertiary filtration through filtering gauze 7 to make the once operation process of this scheme just can accomplish multistage filtration, when having guaranteed filtration quality, also increased the work efficiency of filtering operation, thereby effectively improved the practicality.
In fig. 1: one end of the feeding hopper 11 penetrates through the top cover 4 and is fixedly connected with the top cover 4; the feeding hopper 11 is used for feeding materials into the filter box 3 in the box body 1.
In fig. 2: the positioning plate 52 is provided with a thread groove 521, and the bolt 51 is in threaded connection with the thread groove 521; when the filter box 3 needs to be taken out of the box body 1 to detach the top cover 4, only the bolt 51 in the thread groove 521 needs to be rotated to enable the positioning plate 52 not to be located at the upper end of the top cover 4 to separate the top cover 4, then the top cover 4 is pulled upwards to enable the filter box 3 to be pulled out of the inner side of the box body 1, during reinstallation, the filter box 3 is inserted into the box body 1 again, the top cover 4 is located at the upper end of the box body 1, then the bolt 51 in the thread groove 521 is rotated to enable the positioning plate 52 to be located at the upper end of the top cover 4 to limit the top cover 4, and the top cover 4 is fixed.
In fig. 3: a nut 622 is screwed on one end of the fixing bolt 621; the filter screen 7 is provided with a hole for the fixing bolt 621 to penetrate, when the filter screen 7 needs to be disassembled and replaced, the nut 622 is rotated and screwed out, then the filter screen 7 is taken down from the fixing bolt 621, when the filter screen is re-installed, the fixing bolt 621 penetrates through the hole of the filter screen 7, and then the nut 622 is screwed on the upper end of the fixing bolt 621 to fix the filter screen 7.
In fig. 1: the two sides of the inner wall of the box body 1 are fixedly connected with supporting plates 12, and the collecting box 6 is placed at the upper ends of the two supporting plates 12; the supporting plate 12 is used for supporting the collecting box 6, after the top cover 4 is taken down, the collecting box 6 at the upper end of the supporting plate 12 can be directly pulled upwards to enable the collecting box 6 to be separated from the box body 1, so that the collecting box 6 can be conveniently taken out and cleaned, and the collecting box 6 can be placed at the upper end of the supporting plate 12 again after the cleaning is completed.
In fig. 1: the inner walls of the box body 1, the filter box 3 and the collecting box 6 are all sprayed with Teflon coatings; the Teflon coating has non-stick property, and is convenient for cleaning residual materials on the inner walls of the box body 1, the filter box 3 and the collecting box 6 in the follow-up process.
In fig. 1 and 4: the aperture of the through hole 301 is larger than that of the filtering hole of the filtering plate 61; through-hole 301 filters great impurity, realizes filtering less impurity through filter 61.
The utility model discloses a theory of operation is: when the filter box is used, a material is put into the filter box 3 on the inner side of the box body 1 through the hopper 11, the material entering the filter box 3 is gradually separated from the through hole 301 under the inclined guide of the bottom wall of the filter box 3 under the rotating influence of the drive motor 2 driving the filter box 3, and impurities are remained in the filter box 3 to realize primary filtration, at the moment, when the material separated from the through hole 301 enters the collection box 6 to flow downwards under the influence of gravity, secondary filtration is carried out through the filter plate 61 arranged at the bottom of the collection box 6, and the connecting rod 31 at the bottom of the filter box 3 can also drive the stirring blade 32 to stir the upper end surface wall of the filter plate 61 due to the rotation of the filter box 3 driven by the drive motor 2, so that the impurities are prevented from remaining and adhering to the surface of the collection box 6 to block the filter plate 61 when the material filtered from the filter plate 61 falls to the position of the filter screen 7, realize tertiary filtration through filtering gauze 7 to make the once operation process of this scheme just can accomplish multistage filtration, when having guaranteed filtration quality, also increased the work efficiency of filtering operation.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The multistage filtering device for isocyanate synthesis comprises a box body (1) and a feeding hopper (11), and is characterized in that a driving motor (2) is arranged at the top of the box body (1), a filtering box (3) is fixedly connected with the output end of the driving motor (2), a through hole (301) is formed in the filtering box (3), a connecting rod (31) is fixedly connected with the bottom of the filtering box (3), two stirring blades (32) are fixedly connected with the outer wall of the connecting rod (31), a top cover (4) is fixedly clamped at the top of the box body (1), the driving motor (2) is fixedly connected with the top cover (4), two connecting blocks (5) which are symmetrically distributed are fixedly connected with the outer wall of the box body (1), bolts (51) are fixedly connected with the upper end of the connecting blocks (5), and positioning plates (52) are in threaded connection with the bolts (51), the inboard sliding connection of box (1) has collecting box (6), the bottom fixedly connected with filter (61) of collecting box (6), two L shape locating pieces (62) of the bottom fixedly connected with of filter (61), up end fixedly connected with gim peg (621) of L shape locating piece (62), the inboard of box (1) is equipped with filters gauze (7), two gim peg (621) all runs through filter gauze (7).
2. The multistage filter device for isocyanate synthesis according to claim 1, wherein one end of the inlet hopper (11) penetrates the top cover (4) and is fixedly connected with the top cover (4).
3. The multistage filter device for isocyanate synthesis according to claim 1, wherein the positioning plate (52) is provided with a threaded groove (521), and the bolt (51) is in threaded connection with the threaded groove (521).
4. The multistage filter device for isocyanate synthesis according to claim 1, wherein a nut (622) is threadedly connected to one end of the fixing bolt (621).
5. The multistage filter device for isocyanate synthesis according to claim 1, wherein support plates (12) are fixedly connected to both sides of the inner wall of the box body (1), and the collection box (6) is placed at the upper ends of the two support plates (12).
6. The multistage filter device for isocyanate synthesis according to claim 1, wherein the inner walls of the box body (1), the filter box (3) and the collection box (6) are coated with teflon.
7. The multistage filter device for isocyanate synthesis according to claim 1, wherein the aperture of the through holes (301) is larger than the filter hole aperture of the filter plate (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022550452.0U CN213853489U (en) | 2020-11-06 | 2020-11-06 | Multistage filtering device for isocyanate synthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022550452.0U CN213853489U (en) | 2020-11-06 | 2020-11-06 | Multistage filtering device for isocyanate synthesis |
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| CN213853489U true CN213853489U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022550452.0U Active CN213853489U (en) | 2020-11-06 | 2020-11-06 | Multistage filtering device for isocyanate synthesis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114907237A (en) * | 2022-06-06 | 2022-08-16 | 山东新和成维生素有限公司 | Method for filtering and recovering isocyanate in isocyanate rectification residues and filtering and recovering system |
-
2020
- 2020-11-06 CN CN202022550452.0U patent/CN213853489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114907237A (en) * | 2022-06-06 | 2022-08-16 | 山东新和成维生素有限公司 | Method for filtering and recovering isocyanate in isocyanate rectification residues and filtering and recovering system |
| CN114907237B (en) * | 2022-06-06 | 2024-01-30 | 山东新和成维生素有限公司 | Method for filtering and recycling isocyanate in isocyanate rectification residues and filtering and recycling system |
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