CN205613072U - Rectifier unit is used in production of energy -efficient type benzene formaldehyde -like - Google Patents
Rectifier unit is used in production of energy -efficient type benzene formaldehyde -like Download PDFInfo
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- CN205613072U CN205613072U CN201620321796.5U CN201620321796U CN205613072U CN 205613072 U CN205613072 U CN 205613072U CN 201620321796 U CN201620321796 U CN 201620321796U CN 205613072 U CN205613072 U CN 205613072U
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- rectifying column
- pipeline
- feed liquid
- valve
- energy
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Abstract
The utility model provides a rectifier unit is used in production of energy -efficient type benzene formaldehyde -like, including rectifying column and recovery circulation pipeline, the rectifying column includes gas exports, the phegma import, the feed liquid import, gaseous phase import and the export of cauldron liquid, be equipped with a plurality of distributors in the rectifying column, the upper end of distributor is the water conservancy diversion face, be equipped with the guide plate on the water conservancy diversion face, the lower edge of water conservancy diversion face is equipped with the overflow weir, it includes the feed liquid pipeline to retrieve circulation pipeline, cauldron liquid pipeline and connecting tube, distributor in the rectifying column is evenly shunted the feed liquid, the up end of distributor becomes ellipse arc, the guide feed liquid flow direction, the distributor is down along setting up the overflow weir, guarantee that the feed liquid overflows even the time, the reaction area of feed liquid has been improved, cauldron liquid pipeline is used for cauldron liquid to collect, the connecting tube is used for the rectification again of feed liquid, energy consumption is reduced, energy -conservation has been reached, the efficient mesh.
Description
Technical field
This utility model relates to a kind of high-efficiency and energy-saving type benzaldehydes production rectifier unit.
Background technology
Benzaldehyde is the organic compound formed after the hydrogen of benzene is replaced by aldehyde radical.Benzaldehyde is simplest, is also simultaneously
Industrial the most often for the aromatic aldehyde used.As one of conventional industrial chemicals, in chemical process, through a series of chemistry
After reaction, benzaldehyde would generally contain some impurity or the mixture of other products, it is therefore desirable to carries out dimethylbenzaldehyde
Purify, separate.The purpose of this utility model is to provide a kind of high-efficiency and energy-saving type benzaldehydes production rectifying column, improves rectification effect
Really, the purity of finished product it is greatly improved.
Utility model content
For the problems referred to above, the utility model proposes a kind of high-efficiency and energy-saving type benzaldehydes production rectifier unit.
For solving above technical problem, the technical scheme that this utility model provides is:
A kind of high-efficiency and energy-saving type benzaldehydes production rectifier unit, including rectifying column and recovery circulation line, its feature
Being, described rectifying column includes gaseous phase outlet, backflow import, liquor inlet, gas phase import and the outlet of still liquid, and described gas phase goes out
Mouth is positioned at the top of rectifying column, and described backflow import is positioned at liquor inlet upper end, and described liquor inlet is positioned in rectifying column
Portion, described gas phase import is positioned at the lower end of rectifying column, and the outlet of described still liquid is positioned at the bottom of rectifying column, described recovery circulation line
Including feed liquid pipeline, still liquid pipeline and connection pipeline;
Being provided with upper and lower spaced multiple distributors in described rectifying column, described distributor is horizontally disposed with, its lower end water
Flat, upper end is guide face, and the 1/4 ellipse arc that relative superiority or inferiority is low is presented in the cross section of described guide face, its cross section in ellipse arc institute right
The oval major axis answered and minor axis length ratio is for 9:1, and guide face is provided with multiple symmetrically arranged deflector, described deflector
Vertical with guide face, and curved extension, the longitudinal section of deflector is trapezoidal, the upper surface same level height of multiple deflectors,
The lower edge of guide face is provided with the downflow weir of strip, and described downflow weir is vertical with distributor, and its height is higher than the lower edge of guide face,
The side of downflow weir is provided with multiple equidistant spaced overflow block, and the upper surface of described overflow block is isosceles triangle, and
Upper surface level with downflow weir;
Described feed liquid pipeline connects with liquor inlet, which is provided with the first valve, and described still liquid pipeline is with the outlet of still liquid even
Logical, which is provided with the second valve, described connection pipeline communication backflow import and still liquid pipeline, itself and the junction of still liquid pipeline
Between the second valve and still liquid export, connect pipeline and be provided with the 3rd valve;
Further, the lower end of described rectifying column is provided with skirt;
Further, the end of described still liquid pipeline connects recycling can;
Further, described first valve, the second valve and the 3rd valve are electromagnetic valve.
The beneficial effects of the utility model are:
A kind of high-efficiency and energy-saving type benzaldehydes production rectifier unit that the utility model proposes, including rectifying column and recovery
Circulation line, rectifying column includes gaseous phase outlet, backflow import, liquor inlet, gas phase import and the outlet of still liquid, sets in rectifying column
Having multiple distributor, the upper end of distributor is guide face, and guide face is provided with deflector, and the lower edge of guide face is provided with downflow weir,
Reclaiming circulation line include feed liquid pipeline, still liquid pipeline and connect pipeline, the distributor in rectifying column, by feed liquid uniform divided flows, divides
The upper surface of cloth device becomes ellipse arc, and guiding feed liquid flows to, along arranging downflow weir under distributor, it is ensured that feed liquid is overflowed uniform same
Time, improve the response area of feed liquid, still liquid pipeline is collected for still liquid, connects the pipeline rectification again for feed liquid, to sum up institute
State, this utility model simple in construction, reasonable in design, there is raising feed liquid response area, lifting rectification efficiency and rectification effect
Advantage, feed liquid sufficient to non-rectification can carry out rectification again, improve the purity of finished product, reduce energy consumption simultaneously, has reached joint
Energy, efficient purpose.
Accompanying drawing explanation
Fig. 1 this utility model schematic diagram.
Fig. 2 distributor schematic diagram.
Detailed description of the invention
A kind of high-efficiency and energy-saving type benzaldehydes production rectifier unit as depicted, including rectifying column 1 and recovery circulation
Pipeline 14, it is characterised in that described rectifying column 1 includes gaseous phase outlet 2, backflow import 3, liquor inlet 4, gas phase import 5 and
Still liquid outlet 6, described gaseous phase outlet 2 is positioned at the top of rectifying column 1, and described backflow import 3 is positioned at liquor inlet 4 upper end, institute
Stating liquor inlet 4 and be positioned at the middle part of rectifying column 1, described gas phase import 5 is positioned at the lower end of rectifying column 1, and described still liquid outlet 6 is positioned at
The bottom of rectifying column 1, described recovery circulation line 14 includes feed liquid pipeline 15, still liquid pipeline 16 and connects pipeline 17;
Being provided with upper and lower spaced multiple distributors 7 in described rectifying column 1, described distributor 7 is horizontally disposed with, its lower end
Level, upper end is guide face 8, and the 1/4 ellipse arc that relative superiority or inferiority is low is presented in the cross section of described guide face 8, its cross section in ellipse arc
Corresponding oval major axis and minor axis length ratio is for 9:1, and guide face 8 is provided with multiple symmetrically arranged deflector 10, institute
Stating deflector 10 vertical with guide face 8, and curved extension, the longitudinal section of deflector 10 is trapezoidal, multiple deflectors 10 upper
End face same level height, the lower edge of guide face 8 is provided with the downflow weir 11 of strip, and described downflow weir 11 is vertical with distributor 7, its
Highly higher than the lower edge of guide face 8, the side of downflow weir 11 is provided with multiple equidistant spaced overflow block 12, described overflow
The upper surface of block 12 is isosceles triangle, and with the upper surface level of downflow weir 11;
Described feed liquid pipeline 15 connects with liquor inlet 4, which is provided with the first valve 18, described still liquid pipeline 16 and still liquid
Outlet 6 connection, which is provided with the second valve 19, and described connection pipeline 16 connects backflow import 3 and still liquid pipeline 16, itself and still
The junction of liquid pipeline 16 exports between 6 at the second valve 18 and still liquid, connects pipeline 17 and is provided with the 3rd valve 20;
Further, the lower end of described rectifying column 1 is provided with skirt 13.
Further, the end of described still liquid pipeline 16 connects recycling can 21;
Further, described first valve the 18, second valve 19 and the 3rd valve 20 are electromagnetic valve.
Feed liquid of the present utility model enters in rectifying column from the liquor inlet of rectifying column, carries out rectification, the still liquid after rectification
Discharge from the outlet of still liquid, be passed through recycling can by still liquid pipeline and be collected, for preventing feed liquid rectification insufficient, by the second valve
Closing, open the 3rd valve, the sufficient feed liquid of non-rectification, by connecting pipeline, enters in rectifying column from backflow import, carries out
Rectification again.
A kind of high-efficiency and energy-saving type benzaldehydes production rectifier unit that the utility model proposes, including rectifying column and recovery
Circulation line, rectifying column includes gaseous phase outlet, backflow import, liquor inlet, gas phase import and the outlet of still liquid, sets in rectifying column
Having multiple distributor, the upper end of distributor is guide face, and guide face is provided with deflector, and the lower edge of guide face is provided with downflow weir,
Reclaiming circulation line include feed liquid pipeline, still liquid pipeline and connect pipeline, the distributor in rectifying column, by feed liquid uniform divided flows, divides
The upper surface of cloth device becomes ellipse arc, and guiding feed liquid flows to, along arranging downflow weir under distributor, it is ensured that feed liquid is overflowed uniform same
Time, improve the response area of feed liquid, still liquid pipeline is collected for still liquid, connects the pipeline rectification again for feed liquid, to sum up institute
State, this utility model simple in construction, reasonable in design, there is raising feed liquid response area, lifting rectification efficiency and rectification effect
Advantage, feed liquid sufficient to non-rectification can carry out rectification again, improve the purity of finished product, reduce energy consumption simultaneously, has reached joint
Energy, efficient purpose.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain in protection domain of the present utility model.Therefore, protection domain of the present utility model should be with
The protection domain of claims is as the criterion.
Claims (4)
1. a high-efficiency and energy-saving type benzaldehydes production rectifier unit, including rectifying column and recovery circulation line, its feature exists
In, described rectifying column includes gaseous phase outlet, backflow import, liquor inlet, gas phase import and the outlet of still liquid, described gaseous phase outlet
Being positioned at the top of rectifying column, described backflow import is positioned at liquor inlet upper end, and described liquor inlet is positioned at the middle part of rectifying column,
Described gas phase import is positioned at the lower end of rectifying column, and the outlet of described still liquid is positioned at the bottom of rectifying column, described recovery circulation line bag
Include feed liquid pipeline, still liquid pipeline and connect pipeline;
Being provided with upper and lower spaced multiple distributors in described rectifying column, described distributor is horizontally disposed with, its lower end level, on
End is for guide face, and the 1/4 ellipse arc that relative superiority or inferiority is low is presented in the cross section of described guide face, its cross section in ellipse arc corresponding to ellipse
Circular major axis and minor axis length ratio is for 9:1, and guide face is provided with multiple symmetrically arranged deflector, described deflector and water conservancy diversion
Face is vertical, and curved extension, and the longitudinal section of deflector is trapezoidal, the upper surface same level height of multiple deflectors, guide face
Lower edge be provided with the downflow weir of strip, described downflow weir is vertical with distributor, and its height is higher than the lower edge of guide face, downflow weir
Side be provided with multiple equidistant spaced overflow block, the upper surface of described overflow block is isosceles triangle, and and overflow
The upper surface level on weir;
Described feed liquid pipeline connects with liquor inlet, which is provided with the first valve, described still liquid pipeline and still liquid outlet, its
Being provided with the second valve, described connection pipeline communication backflow import and still liquid pipeline, it is positioned at the junction of still liquid pipeline
Between second valve and the outlet of still liquid, connect pipeline and be provided with the 3rd valve.
2. a kind of high-efficiency and energy-saving type benzaldehydes production rectifier unit as claimed in claim 1, it is characterised in that described essence
The lower end evaporating tower is provided with skirt.
3. a kind of high-efficiency and energy-saving type benzaldehydes production rectifier unit as claimed in claim 1, it is characterised in that described still
The end of liquid pipeline connects recycling can.
4. high-efficiency and energy-saving type benzaldehydes production rectifier unit as claimed in claim 1 a kind of, it is characterised in that described the
One valve, the second valve and the 3rd valve are electromagnetic valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620321796.5U CN205613072U (en) | 2016-04-18 | 2016-04-18 | Rectifier unit is used in production of energy -efficient type benzene formaldehyde -like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620321796.5U CN205613072U (en) | 2016-04-18 | 2016-04-18 | Rectifier unit is used in production of energy -efficient type benzene formaldehyde -like |
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Publication Number | Publication Date |
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CN205613072U true CN205613072U (en) | 2016-10-05 |
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CN201620321796.5U Expired - Fee Related CN205613072U (en) | 2016-04-18 | 2016-04-18 | Rectifier unit is used in production of energy -efficient type benzene formaldehyde -like |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113350824A (en) * | 2021-06-18 | 2021-09-07 | 安徽苏乐医药材料有限公司 | Process and equipment for preparing bromobutane |
-
2016
- 2016-04-18 CN CN201620321796.5U patent/CN205613072U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113350824A (en) * | 2021-06-18 | 2021-09-07 | 安徽苏乐医药材料有限公司 | Process and equipment for preparing bromobutane |
CN113350824B (en) * | 2021-06-18 | 2022-04-05 | 安徽苏乐医药材料有限公司 | Process and equipment for preparing bromobutane |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20210418 |