CN106902533A - Benzaldehyde production rectifying column - Google Patents
Benzaldehyde production rectifying column Download PDFInfo
- Publication number
- CN106902533A CN106902533A CN201710221514.3A CN201710221514A CN106902533A CN 106902533 A CN106902533 A CN 106902533A CN 201710221514 A CN201710221514 A CN 201710221514A CN 106902533 A CN106902533 A CN 106902533A
- Authority
- CN
- China
- Prior art keywords
- rectifying column
- main body
- column main
- guide face
- distributor
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/26—Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A kind of benzaldehyde production rectifying column, including rectifying column main body, rectifying column main body includes gaseous phase outlet, phegma import, liquor inlet, gas phase import and kettle liquid are exported, multiple distributors are provided with rectifying column main body, the upper end of distributor is guide face, guide face is provided with deflector, the lower edge of guide face is provided with downflow weir, distributor in rectifying column main body is by feed liquid uniform divided flows, the upper surface of distributor is into ellipse arc, guiding feed liquid flow direction, distributor lower edge sets downflow weir, while ensureing that feed liquid overflows uniform, improve the response area of feed liquid, in sum, simple structure of the present invention, it is reasonable in design, with raising feed liquid response area, the advantage of lifting rectification efficiency and rectification effect, reduce energy consumption simultaneously, energy-conservation is reached, efficient purpose.
Description
Technical field
The present invention relates to a kind of rectifying column, particularly a kind of benzaldehyde production rectifying column.
Background technology
The organic compound that benzaldehyde is formed after being replaced by aldehyde radical for the hydrogen of benzene.Benzaldehyde is simplest, while being also
Industrial is most often the aromatic aldehyde for using.As one of conventional industrial chemicals, in chemical process, by a series of chemistry
After reaction, the mixture that benzaldehyde would generally be containing some impurity or other products, it is therefore desirable to carried out to dimethylbenzaldehyde
Purification, separation.It is an object of the invention to provide a kind of high-efficiency and energy-saving type benzaldehydes production rectifying column, rectification effect is improved,
Greatly improve the purity of finished product.
The content of the invention
The technical problem to be solved in the present invention is directed to the deficiencies in the prior art, proposes that one kind can lift rectification efficiency and essence
Evaporate the benzaldehyde production rectifying column of effect.
The technical problem to be solved in the present invention is achieved through the following technical solutions, a kind of benzaldehyde production rectifying
Tower, including rectifying column main body, are characterized in, the rectifying column main body includes gaseous phase outlet, phegma import, liquor inlet, gas
Phase import and kettle liquid are exported, and the gaseous phase outlet is located at the top of rectifying column main body, and the phegma import is located at liquor inlet
Upper end, the liquor inlet is located at the middle part of rectifying column main body, and the gas phase import is located at the lower end of rectifying column main body, the kettle
Liquid outlet is positioned at the bottom of rectifying column main body；Upper and lower spaced multiple distributors are provided with the rectifying column main body, it is described
Distributor is horizontally disposed with, its lower end level, and upper end is guide face, and 1/4 low ellipse arc of relative superiority or inferiority is presented in the section of the guide face,
The oval major axis and minor axis length ratio that its section is in corresponding to ellipse arc are 9:1, guide face is provided with multiple symmetrical
The deflector of setting, the deflector is vertical with guide face, and curved extension, and the longitudinal section of deflector is trapezoidal, and multiple is led
Flow the upper surface same level of plate highly, the lower edge of guide face is provided with the downflow weir of strip, and the downflow weir is vertical with distributor,
, highly higher than the lower edge of guide face, the side of downflow weir is provided with multiple equidistantly spaced overflow blocks, the overflow block for it
Upper surface be in isosceles triangle, and with the upper surface level of downflow weir.
The technical problem to be solved in the present invention can also come further to realize by the following technical programs, the rectifying column master
The lower end of body is provided with skirt.
Compared with prior art, the present invention includes rectifying column main body, and rectifying column main body includes that gaseous phase outlet, phegma enter
The outlet of mouth, liquor inlet, gas phase import and kettle liquid, is provided with multiple distributors in rectifying column main body, the upper end of distributor is water conservancy diversion
Face, guide face is provided with deflector, and the lower edge of guide face is provided with downflow weir, and the distributor in rectifying column main body uniformly divides feed liquid
Stream, into ellipse arc, guiding feed liquid flow direction, distributor lower edge sets downflow weir, it is ensured that feed liquid is overflowed uniform for the upper surface of distributor
While, the response area of feed liquid is improve, in sum, simple structure of the present invention is reasonable in design, is reacted with feed liquid is improved
The advantage of area, lifting rectification efficiency and rectification effect, while reducing energy consumption, has reached energy-conservation, efficient purpose.
Brief description of the drawings
Fig. 1 the structural representation of present invention；
The structural representation of Fig. 2 distributors.
Specific embodiment
A kind of benzaldehyde production rectifying column, including rectifying column main body 1, the rectifying column main body 1 include gaseous phase outlet 2,
Phegma import 3, liquor inlet 4, gas phase import 5 and kettle liquid outlet 6, the gaseous phase outlet 2 is located at the top of rectifying column main body 1
Portion, the phegma import 3 is located at the upper end of liquor inlet 4, and the liquor inlet 4 is located at the middle part of rectifying column main body 1, the gas
Phase import 5 is located at the lower end of rectifying column main body 1, and the kettle liquid outlet 6 is located at the bottom of rectifying column main body 1；The rectifying column master
Upper and lower spaced multiple distributors 7 are provided with body 1, the distributor 7 is horizontally disposed with, its lower end level, and upper end is water conservancy diversion
1/4 low ellipse arc of relative superiority or inferiority is presented in face 8, the section of the guide face 8, oval corresponding to the ellipse arc that its section is in
Major axis and minor axis length ratio are 9:1, guide face 8 is provided with multiple symmetrically arranged deflectors 10, the deflector 10 and water conservancy diversion
Face 8 is vertical, and curved extension, and the longitudinal section of deflector 10 is trapezoidal, and the upper surface same level of multiple deflectors 10 is highly led
The lower edge of stream interface 8 is provided with the downflow weir 11 of strip, and the downflow weir 11 is vertical with distributor 7, and it is highly higher than guide face 8
Lower edge, the side of downflow weir 11 is provided with multiple equidistantly spaced overflow blocks 12, the upper surface of the overflow block 12 in etc.
Lumbar triangle shape, and with the upper surface level of downflow weir 11；
Further, the lower end of the rectifying column main body 1 is provided with skirt 13.
A kind of benzaldehyde production rectifying column proposed by the present invention, including rectifying column main body, rectifying column main body include gas phase
The outlet of outlet, phegma import, liquor inlet, gas phase import and kettle liquid, is provided with multiple distributors, distributor in rectifying column main body
Upper end be guide face, guide face is provided with deflector, and the lower edge of guide face is provided with downflow weir, the distributor in rectifying column main body
By feed liquid uniform divided flows, into ellipse arc, guiding feed liquid flow direction, distributor lower edge sets downflow weir for the upper surface of distributor, it is ensured that
While feed liquid overflows uniform, the response area of feed liquid is improve, in sum, simple structure of the present invention is reasonable in design, has
The advantage of feed liquid response area, lifting rectification efficiency and rectification effect is improved, while reduce energy consumption, energy-conservation, efficiently has been reached
Purpose.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is defined.
Claims (2)
1. a kind of benzaldehyde production rectifying column, including rectifying column main body, it is characterised in that the rectifying column main body includes gas phase
Outlet, phegma import, liquor inlet, gas phase import and kettle liquid outlet, the gaseous phase outlet are located at the top of rectifying column main body,
The phegma import is located at liquor inlet upper end, and the liquor inlet is located at the middle part of rectifying column main body, the gas phase import
Positioned at the lower end of rectifying column main body, the kettle liquid outlet is positioned at the bottom of rectifying column main body；
Upper and lower spaced multiple distributors are provided with the rectifying column main body, the distributor is horizontally disposed with, its lower end water
Flat, upper end is guide face, and 1/4 low ellipse arc of relative superiority or inferiority is presented in the section of the guide face, and the ellipse arc institute that its section is in is right
Oval major axis and the minor axis length ratio answered are 9:1, guide face is provided with multiple symmetrically arranged deflectors, the deflector
Vertical with guide face, and curved extension, the longitudinal section of deflector is trapezoidal, the upper surface same level of multiple deflectors highly,
The lower edge of guide face is provided with the downflow weir of strip, and the downflow weir is vertical with distributor, and it is highly higher than the lower edge of guide face,
The side of downflow weir is provided with multiple equidistantly spaced overflow blocks, and the upper surface of the overflow block is in isosceles triangle, and
With the upper surface level of downflow weir.
2. a kind of benzaldehyde production rectifying column as claimed in claim 1, it is characterised in that the lower end of the rectifying column main body
It is provided with skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221514.3A CN106902533A (en) | 2017-04-06 | 2017-04-06 | Benzaldehyde production rectifying column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221514.3A CN106902533A (en) | 2017-04-06 | 2017-04-06 | Benzaldehyde production rectifying column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106902533A true CN106902533A (en) | 2017-06-30 |
Family
ID=59195262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710221514.3A Withdrawn CN106902533A (en) | 2017-04-06 | 2017-04-06 | Benzaldehyde production rectifying column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106902533A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037092A1 (en) * | 2017-08-25 | 2019-02-28 | 鹏辰新材料科技股份有限公司 | Plate-type fractionating column for aromatic hydrocarbon solvents |
| CN114931761A (en) * | 2022-06-20 | 2022-08-23 | 浙江壳邦力特油脂有限公司 | Rectifying tower for oxidized vegetable oil production line |
-
2017
- 2017-04-06 CN CN201710221514.3A patent/CN106902533A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037092A1 (en) * | 2017-08-25 | 2019-02-28 | 鹏辰新材料科技股份有限公司 | Plate-type fractionating column for aromatic hydrocarbon solvents |
| KR20190000988U (en) * | 2017-08-25 | 2019-04-26 | 펑 천 뉴 머티리얼즈 테크놀러지 씨오., 엘티디. | Shelf-end rectification tower of aromatic solvent |
| KR200490713Y1 (en) | 2017-08-25 | 2019-12-20 | 펑 천 뉴 머티리얼즈 테크놀러지 씨오., 엘티디. | Shelf Column Rectification Tower of Aromatic Solvent |
| CN114931761A (en) * | 2022-06-20 | 2022-08-23 | 浙江壳邦力特油脂有限公司 | Rectifying tower for oxidized vegetable oil production line |
| CN114931761B (en) * | 2022-06-20 | 2024-06-14 | 浙江壳邦力特油脂有限公司 | Rectifying tower for oxidized vegetable oil production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202492486U (en) | Nitrogen-leading deoxidization purifying device used for producing cation polyacrylamide colloid | |
| CN106902533A (en) | Benzaldehyde production rectifying column | |
| CN203174041U (en) | Steam stripping tower | |
| CN205613072U (en) | Rectifier unit is used in production of energy -efficient type benzene formaldehyde -like | |
| CN205598692U (en) | Rectifying column is used in production of energy -efficient type benzene formaldehyde -like | |
| CN203513649U (en) | Diaphragm reaction kettle for producing biodiesel | |
| CN105016974A (en) | Separation method for optimizing butanol-octanol product structures | |
| CN201807206U (en) | High concentration methylal pressurizing rectifying tower | |
| CN206793077U (en) | Iso-butane rectifying column | |
| CN114522437B (en) | Tetrahydrofuran pressurization purification rectifying tower | |
| CN201182915Y (en) | Spraying overflow tower disk structure | |
| CN203090515U (en) | External circular-reaction extractive distillation integrated device | |
| CN2546068Y (en) | Spraying forward flow combined plate chemical tower | |
| CN203346172U (en) | Multi-zone bioreactor | |
| CN202438166U (en) | Separating device with partition wall for purifying tert-butyl acetate | |
| CN201085940Y (en) | Rectifying tower for ethyl alcohol purification production | |
| CN100579618C (en) | Diversion trench shaped catalyst orderly filling component in plate-type reaction rectifying tower | |
| CN201192616Y (en) | High-efficiency gas and liquid separator | |
| CN203803141U (en) | Liquid collection and redistribution device applied to crylic acid refining process | |
| CN108043061B (en) | Catalytic distillation column plate capable of replacing catalyst on line | |
| CN206762605U (en) | Efficient alkaline chlorine gas drying tower | |
| CN204710008U (en) | A kind of bubble dust collector | |
| CN204815738U (en) | Gum spirit rectification tower | |
| CN2373150Y (en) | Plate rectifying tower of forward flow combined type | |
| CN214863581U (en) | System for improving conversion efficiency of tetraethoxysilane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170630 |
|
| WW01 | Invention patent application withdrawn after publication |