CN210813978U - Distillation column for dehydration of anhydrous acetonitrile - Google Patents
Distillation column for dehydration of anhydrous acetonitrile Download PDFInfo
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- CN210813978U CN210813978U CN201921758205.0U CN201921758205U CN210813978U CN 210813978 U CN210813978 U CN 210813978U CN 201921758205 U CN201921758205 U CN 201921758205U CN 210813978 U CN210813978 U CN 210813978U
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Abstract
Anhydrous acetonitrile is distillation column for dehydration, including distillation column, distillation column gas vent, exhaust duct, a fixed connection board, fastening adapter sleeve, No. two fixed connection boards, a positioning connection board, No. two positioning connection boards, distillation column gas vent has on distillation column upper portion, distillation column gas vent upper portion connection exhaust duct, plastic sealing ring sub-unit connection distillation column gas vent, exhaust duct inboard have a connection concave ring, distillation column gas vent inboard has No. two connection concave rings, and plastic sealing ring upper portion suits with a connection concave ring, a connection concave ring is connected on plastic sealing ring upper portion, and plastic sealing ring lower part suits with No. two connection concave rings, and No. two fastening adapter sleeves are connected in the distillation column gas vent outside to No. two connection concave rings of plastic sealing ring sub-unit connection.
Description
Technical Field
The utility model relates to a distillation column field especially relates to an anhydrous acetonitrile distillation column for dehydration.
Background
In the use of anhydrous acetonitrile dehydration with the distillation column, because anhydrous acetonitrile dehydration is unreasonable with distillation column overall structure, the exhaust duct that anhydrous acetonitrile dehydration is connected with distillation column upper portion often can appear rocking when using to cause exhaust duct and distillation column gas vent junction to appear the breach, bring the inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connect firm anhydrous acetonitrile distillation column for dehydration to the above-mentioned not enough that prior art exists.
The utility model aims at realizing through the following technical scheme:
a distillation tower for dehydration of anhydrous acetonitrile comprises a distillation tower, a distillation tower exhaust port, an exhaust pipeline, a first fixed connecting plate, a first fastening connecting sleeve, a second fixed connecting plate, a first positioning connecting plate and a second positioning connecting plate, wherein the distillation tower exhaust port is arranged on the upper part of the distillation tower, the exhaust pipeline is connected to the upper part of a distillation tower exhaust port, the exhaust pipeline is connected to the upper part of a plastic sealing ring, the lower part of the plastic sealing ring is connected with the exhaust port of the distillation tower, a first connecting concave ring is arranged on the inner side of the exhaust pipeline, a second connecting concave ring is arranged on the inner side of the distillation tower exhaust port, the upper part of the plastic sealing ring is matched with the first connecting concave ring, the first connecting concave ring is connected to the upper part of the plastic sealing ring, the lower part of the plastic sealing ring is matched with the second connecting concave ring, the two first fastening connecting sleeves are connected to the outer side, the first fastening connecting sleeves are symmetrically arranged, and the right sides of the first fastening connecting sleeves are connected with the symmetrical first fastening connecting sleeves through fastening bolts.
A fastening connection sleeve outside has a fixed connection ear, fixed connection ear inside connects a fixed connection board through the pivot, a fixed connection board rotates in the pivot, and two location engaging lugs are connected on distillation column upper portion, the location engaging lug symmetry sets up.
The fixed connection board is connected through the pivot to location engaging lug inboard, No. two fixed connection boards are connected through fixing bolt in the fixed connection board outside, No. two fixed connection board upper portions have No. two adapter sleeves, exhaust duct is connected to No. two adapter sleeves inboards.
A positioning connection plate is connected to the two sides of the exhaust pipeline, the positioning connection plates are symmetrically arranged, two ends of the first positioning connection plate are connected with a second fastening connection sleeve, the lower portion of the second fastening connection sleeve is connected with a third positioning connection plate, and the lower portion of the third positioning connection plate is connected with a first fastening connection sleeve.
No. three positioning connection board inboard connection exhaust duct, No. two positioning connection board both ends are connected No. three positioning connection boards, No. three positioning connection board symmetry sets up, and No. two positioning connection board upper portions are connected a positioning connection board, and No. two positioning connection inboard connection exhaust duct.
Has the advantages that:
under the action of the first fastening connecting sleeve and the plastic sealing ring, the connection between the distillation tower exhaust port and the exhaust pipeline is more stable, the plastic sealing ring plays a role in sealing the connection between the distillation tower exhaust port and the exhaust pipeline, the phenomenon of air leakage at the connection between the distillation tower exhaust port and the exhaust pipeline is prevented, the overall structure is more reasonable, meanwhile, under the mutual matching of the first fixing connecting plate, the first fastening connecting sleeve, the second fixing connecting plate, the first positioning connecting plate and the third positioning connecting plate, the support and protection effects on the distillation tower exhaust port and the exhaust pipeline are prevented, the exhaust pipeline is prevented from shaking on the distillation tower exhaust port, the connection between the distillation tower exhaust port and the exhaust pipeline is more stable, the overall structure is more reasonable, the first positioning connecting plate plays a role in connecting the second fastening connecting sleeve, and the contact area between the second fastening connecting sleeve and the exhaust pipeline is increased, the second fastening connecting sleeve is more stably connected with the exhaust pipeline, and the whole structure is more reasonable.
Drawings
FIG. 1 is a schematic structural view of a distillation column for dehydrating anhydrous acetonitrile according to the present invention.
Figure 2 is the utility model discloses an anhydrous acetonitrile for dehydration distillation column structure cross-sectional view.
Fig. 3 is a partial sectional view of the distillation column for dehydrating anhydrous acetonitrile according to the present invention.
Fig. 4 is a partial enlarged view of the distillation column for dehydration of anhydrous acetonitrile of the present invention.
Fig. 5 is a schematic structural view of the distillation column plastic sealing ring for dehydration of anhydrous acetonitrile of the present invention.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
the utility model provides an anhydrous acetonitrile is distillation column for dehydration, includes distillation column 01, distillation column gas vent 02, exhaust duct 03, a fixed connection board 04, a fastening connection cover 05, No. two fixed connection boards 06, a fixed connection board 07, No. two fixed connection boards 08, distillation column 01 upper portion has distillation column gas vent 02, distillation column gas vent 02 upper portion connects exhaust duct 03, and 12 upper portions of plastic sealing ring connect exhaust duct 03, and 12 sub-unit connection distillation column gas vent 02 of plastic sealing ring, exhaust duct 03 inboard have a connection concave ring 14, and distillation column gas vent 02 inboard has No. two connection concave rings 15, and 12 upper portions of plastic sealing ring suit with a connection concave ring 14, 12 upper portions of plastic sealing ring connect a connection concave ring 14, and 12 lower parts of plastic sealing ring suit with No. two connection concave rings 15, and 12 sub-unit connection concave rings 15 of plastic sealing ring, two fastening connecting sleeves 05 are connected to the outer side of the distillation tower exhaust port 02, two fastening connecting sleeves 05 are connected to the outer side of the exhaust pipeline 03, the fastening connecting sleeves 05 are symmetrically arranged, and the fastening connecting sleeves 05 are symmetrically connected to the right side of the fastening connecting sleeves 05 through fastening bolts.
A fastening connection sleeve 05 outside has fixed connection ear 11, fixed connection ear 11 is inside to be connected a fixed connection board 04 through the pivot, a fixed connection board 04 rotates in the pivot, and two location engaging lugs 10 are connected on 01 upper portion of distillation column, location engaging lug 10 symmetry sets up.
No. one fixed connection board 04 is connected through the pivot to location engaging lug 10 inboard, No. two fixed connection boards 06 are connected through fixing bolt in the fixed connection board 04 outside, No. two fixed connection board 06 upper portions have No. two adapter sleeve 13, No. two adapter sleeve 13 inboard connection exhaust duct 03.
No. one location connecting plate 07 is connected to exhaust duct 03 both sides, No. one location connecting plate 07 symmetry sets up, and No. two adapter sleeve 13 are connected at No. one location connecting plate 07 both ends, No. two adapter sleeve 13 sub-unit connection No. three location connecting plate 09, No. three location connecting plate 09 sub-unit connection No. one adapter sleeve 05.
No. three location connecting plate 09 inboard connection exhaust duct 03, No. two location connecting plate 08 both ends connect No. three location connecting plate 09, No. three location connecting plate 09 symmetry sets up, and No. two location connecting plate 08 upper portion connects a location connecting plate 07, and No. two location connecting plate 08 inboard connection exhaust duct 03.
Under the action of the first fastening connecting sleeve 05 and the plastic sealing ring 12, the connection between the distillation tower exhaust port 02 and the exhaust pipeline 03 is firmer, the plastic sealing ring 12 plays a role in sealing the connection between the distillation tower exhaust port 02 and the exhaust pipeline 03, and the phenomenon of air leakage at the connection between the distillation tower exhaust port 02 and the exhaust pipeline 03 is prevented, so that the whole structure is more reasonable, meanwhile, under the mutual matching of the first fixing connecting plate 04, the first fastening connecting sleeve 05, the second fixing connecting plate 06, the first positioning connecting plate 07, the second positioning connecting plate 08 and the third positioning connecting plate 09, the distillation tower exhaust port 02 and the exhaust pipeline 03 are supported and protected, the exhaust pipeline 03 is prevented from shaking on the distillation tower exhaust port 02, so that the connection between the distillation tower exhaust port 02 and the exhaust pipeline 03 is firmer, the whole structure is more reasonable, and the first positioning connecting plate 07 plays a role in connecting the second fastening connecting sleeve 13, the contact area between the second fastening connecting sleeve 13 and the exhaust pipeline 03 is increased, so that the second fastening connecting sleeve 13 is more stable to be connected with the exhaust pipeline 03, and the whole structure is more reasonable.
Claims (5)
1. A distillation tower for dehydration of anhydrous acetonitrile is characterized by comprising a distillation tower, a distillation tower exhaust port, an exhaust pipeline, a first fixed connecting plate, a first fastening connecting sleeve, a second fixed connecting plate, a first positioning connecting plate and a second positioning connecting plate, wherein the distillation tower exhaust port is arranged on the upper portion of the distillation tower, the exhaust pipeline is connected to the upper portion of the distillation tower exhaust port, the upper portion of a plastic sealing ring is connected with the exhaust pipeline, the lower portion of the plastic sealing ring is connected with the distillation tower exhaust port, a first connecting concave ring is arranged on the inner side of the exhaust pipeline, a second connecting concave ring is arranged on the inner side of the distillation tower exhaust port, the upper portion of the plastic sealing ring is matched with the first connecting concave ring, the first connecting concave ring is connected to the upper portion of the plastic sealing ring, the lower portion of the plastic sealing ring is matched with the second connecting concave ring, the second connecting, two first fastening connecting sleeves are connected to the outer side of the exhaust pipeline, the first fastening connecting sleeves are symmetrically arranged, and the right sides of the first fastening connecting sleeves are connected with the symmetrical first fastening connecting sleeves through fastening bolts.
2. The distillation tower for dehydrating anhydrous acetonitrile according to claim 1, wherein the first fastening connection sleeve is provided with a fixed connection lug outside, the fixed connection lug is internally connected with a first fixed connection plate through a rotating shaft, the first fixed connection plate rotates on the rotating shaft, the upper part of the distillation tower is connected with two positioning connection lugs, and the positioning connection lugs are symmetrically arranged.
3. The distillation tower for dehydrating anhydrous acetonitrile according to claim 2, wherein the inner side of the positioning connection lug is connected with a first fixed connection plate through a rotating shaft, the outer side of the first fixed connection plate is connected with a second fixed connection plate through a fixed bolt, the upper part of the second fixed connection plate is provided with a second fastening connection sleeve, and the inner side of the second fastening connection sleeve is connected with an exhaust pipeline.
4. The distillation tower for dehydrating anhydrous acetonitrile according to claim 3, wherein the first positioning connecting plates are connected to two sides of the exhaust pipeline, the first positioning connecting plates are symmetrically arranged, two ends of the first positioning connecting plates are connected with the second fastening connecting sleeve, the lower part of the second fastening connecting sleeve is connected with the third positioning connecting plate, and the lower part of the third positioning connecting plate is connected with the first fastening connecting sleeve.
5. The distillation tower for dehydrating anhydrous acetonitrile as claimed in claim 4, wherein the inner side of the third positioning connecting plate is connected with an exhaust pipeline, the two ends of the second positioning connecting plate are connected with the third positioning connecting plate, the third positioning connecting plate is symmetrically arranged, the upper part of the second positioning connecting plate is connected with the first positioning connecting plate, and the inner side of the second positioning connecting plate is connected with the exhaust pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921758205.0U CN210813978U (en) | 2019-10-20 | 2019-10-20 | Distillation column for dehydration of anhydrous acetonitrile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921758205.0U CN210813978U (en) | 2019-10-20 | 2019-10-20 | Distillation column for dehydration of anhydrous acetonitrile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210813978U true CN210813978U (en) | 2020-06-23 |
Family
ID=71250895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921758205.0U Active CN210813978U (en) | 2019-10-20 | 2019-10-20 | Distillation column for dehydration of anhydrous acetonitrile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210813978U (en) |
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2019
- 2019-10-20 CN CN201921758205.0U patent/CN210813978U/en active Active
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