CN210543439U - N-methylaniline raffinate distillation discharging device - Google Patents
N-methylaniline raffinate distillation discharging device Download PDFInfo
- Publication number
- CN210543439U CN210543439U CN201920977873.6U CN201920977873U CN210543439U CN 210543439 U CN210543439 U CN 210543439U CN 201920977873 U CN201920977873 U CN 201920977873U CN 210543439 U CN210543439 U CN 210543439U
- Authority
- CN
- China
- Prior art keywords
- raffinate
- cauldron
- methylaniline
- stirring vane
- discharging device
- 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.)
- Active
Links
- AFBPFSWMIHJQDM-UHFFFAOYSA-N N-methylaniline Chemical compound CNC1=CC=CC=C1 AFBPFSWMIHJQDM-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000004821 distillation Methods 0.000 title claims abstract description 35
- 238000007599 discharging Methods 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000007792 gaseous phase Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 22
- 238000010992 reflux Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000126 substance Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011149 active material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a distillation discharging device of N-methylaniline raffinate belongs to the rectification equipment field. The utility model discloses a N-methylaniline raffinate distillation discharging device, including raffinate cauldron and rectifying column, the rectifying column is connected with the gaseous phase export of raffinate cauldron, and the outer wall of raffinate cauldron has the conduction oil heating jacket, and the top of raffinate cauldron is equipped with the gaseous phase feed inlet, and the bottom is equipped with the raffinate export, and the raffinate exit is installed and is heated the formula ball valve, and the top of raffinate cauldron is equipped with agitator motor, and agitator motor passes through the connecting rod and connects stirring vane, and inside stirring vane was located the raffinate cauldron, and stirring vane had the inclination that produces downward drive force when rotatory. The utility model discloses utilize stirring effect to increase the heat transfer area of effective substance in the viscous raffinate, stirring rotatory in-process has decurrent impetus simultaneously, can extrude viscous raffinate export discharge from the raffinate after the distillation is finished downwards, has solved the difficult problem of N-methylaniline raffinate in order to block up the raffinate cauldron.
Description
Technical Field
The utility model relates to a raffinate distillation recovery unit, more specifically say, relate to a N-methylaniline raffinate distillation discharging device.
Background
China has more petrochemical enterprises, and residual liquid and residue are generated inevitably due to the limitations of production equipment and conditions. With the development of the existing industrial economy and the contradiction of social environment, the requirements of people on the environment are higher and higher, and the national environment protection is stricter and stricter. Therefore, on one hand, scientific researchers are continuously researching production equipment, production technology and catalyst structures, and the generation of byproducts is reduced as much as possible; on the other hand, under the existing conditions, how to separate effective substances from residual liquid residues as much as possible, reduce the production cost, and prevent and reduce the influence on the environment and human body is also one of the research directions. Through further treatment of the N-methylaniline residual liquid, the N-methylaniline finished product can be recovered, the treatment cost is reduced, and the environmental pollution is reduced. However, in the process of residual liquid distillation, the viscosity of the residual liquid is high, so that the flowability of materials in the rectification process is reduced, the heat exchange effect is reduced, and after rectification is finished, the residual liquid is often blocked at a discharge hole due to the high viscosity of the residual liquid, so that blockage is caused.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model discloses an it is poor to overcome current distillation of glutinous thick raffinate, the raffinate ejection of compact easily blocks up the waiting not enough, provides a N-methylaniline raffinate distillation discharging device, adopts the technical scheme of the utility model, set up the stirring vane who has inclination in the raffinate cauldron, utilize stirring effect to increase the heat transfer area of effective substance in the glutinous thick raffinate, improved the distillation efficiency of effective substance in the raffinate, stirring rotation in-process has decurrent impetus simultaneously, can extrude glutinous thick raffinate export discharge downwards after the distillation to combine the heating effect who adds the hot type ball valve, solved the difficult problem of N-methylaniline raffinate in order to block up the raffinate cauldron.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a N-methylaniline raffinate distillation discharging device, including raffinate cauldron and rectifying column, rectifying column be connected with the gaseous phase export of raffinate cauldron, raffinate cauldron's outer wall conduction oil heating jacket has, the conduction oil heating jacket on be equipped with conduction oil import and conduction oil export, raffinate cauldron's top be equipped with the gaseous phase feed inlet, the bottom is equipped with the raffinate export, the rectifying column in be equipped with the filler, raffinate cauldron's top be equipped with agitator motor, agitator motor pass through the connecting rod and connect stirring vane, stirring vane be located inside the raffinate cauldron, and stirring vane has the inclination that produces downward driving force when rotatory, raffinate exit install and add hot type ball valve.
Furthermore, the upper part and the lower part of the connecting rod of the stirring blades are provided with two groups, one group of stirring blades is positioned at the lower part of the residual liquid kettle, and the other group of stirring blades is positioned at the middle upper part of the residual liquid kettle.
Furthermore, the inclination angle of the stirring blades with the horizontal direction is 30 degrees.
Furthermore, the top of the rectifying tower is provided with a self-refluxing condenser communicated with the top of the rectifying tower, the bottom of the self-refluxing condenser is provided with a circulating water inlet, and the top of the self-refluxing condenser is provided with a circulating water outlet.
Furthermore, the outer wall of the residual liquid kettle is also provided with a fixed support.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a N-methylaniline raffinate distillation discharging device, the top of its raffinate cauldron is equipped with agitator motor, agitator motor passes through the connecting rod and connects stirring vane, stirring vane is located the raffinate cauldron inside, and stirring vane has the inclination that produces downward driving force when rotatory, the heating formula ball valve is installed in the raffinate exit, utilize stirring to increase the heat transfer area of the effective material in the sticky raffinate, the distillation efficiency of the effective material in the raffinate is improved, have downward driving force effect in the rotatory process of stirring simultaneously, can extrude the sticky raffinate to discharge from the raffinate export downwards after the distillation finishes, and combine the heating effect of heating formula ball valve, the difficult problem of N-methylaniline raffinate in order to block up the raffinate cauldron has been solved;
(2) the utility model discloses a N-methylaniline raffinate distillation discharging device, its stirring vane has two sets of on the connecting rod, and a set of stirring vane is located the lower part of raffinate cauldron, and another set of stirring vane is located the middle and upper portion of raffinate cauldron, utilizes two sets of stirring vanes from top to bottom, makes the stirring heat transfer more abundant, and effective material heat transfer distillation efficiency is higher;
(3) the utility model discloses a N-methylaniline raffinate distillation discharging device, its stirring vane is 30 with the inclination of horizontal direction, can provide sufficient thrust effect downwards in the stirring, and fail safe nature is high, has realized the purpose of safety, environmental protection and cleaner production.
Drawings
FIG. 1 is a schematic structural diagram of the N-methylaniline raffinate distillation discharging device of the utility model.
The reference numerals in the schematic drawings illustrate:
1. a raffinate kettle; 2. the heat conducting oil heats the jacket; 3. a stirring blade; 4. a gas phase outlet; 5. a rectifying tower; 6. a filler; 7. a self-refluxing condenser; 8. a rectification gas phase outlet; 9. a stirring motor; 10. a heat conducting oil outlet; 11. a heat conducting oil inlet; 12. a residual liquid outlet; 13. a circulating water inlet; 14. a circulating water outlet; 15. a gas phase feed inlet; 16. fixing and supporting; 17. a heated ball valve.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
Referring to fig. 1, the N-methylaniline raffinate distillation discharging device of the embodiment includes a raffinate kettle 1 and a rectifying tower 5, the rectifying tower 5 is connected to a gas phase outlet 4 of the raffinate kettle 1, preferably, a flange is adopted for sealing connection, a filler 6 is arranged in the rectifying tower 5, the outer wall of the raffinate kettle 1 is provided with a heat conduction oil heating jacket 2, the heat conduction oil heating jacket 2 surrounds the outer wall of the raffinate kettle 1, the heat conduction oil heating jacket 2 is provided with a heat conduction oil inlet 11 and a heat conduction oil outlet 10, the heat conduction oil inlet 11 is welded at the bottom of the heat conduction oil heating jacket 2, the heat conduction oil outlet 10 is welded at the upper part of the heat conduction oil heating jacket 2, and the N-methylaniline raffinate is heated by circulating heat conduction oil introduced into the heat conduction oil heating jacket 2, so that the N-methylaniline in the raffinate is evaporated, enters the rectifying tower 5 for rectification, and. The top of the raffinate kettle 1 is provided with a gas phase feed inlet 15, the bottom is provided with a raffinate outlet 12, high-boiling substances from the system enter the raffinate kettle 1 through the gas phase feed inlet 15, and after distillation, raffinate is discharged into a raffinate barrel through the raffinate outlet 12. In this embodiment, raffinate cauldron 1's top is equipped with agitator motor 9, agitator motor 9 passes through the coupling joint connecting rod, the connecting rod stretches into in raffinate cauldron 1, agitator motor 9 passes through the connecting rod and connects stirring vane 3, stirring vane 3 is located raffinate cauldron 1 inside, and stirring vane 3 has the inclination that produces downward drive force when rotatory, raffinate export 12 is located to install and is heated formula ball valve 17, utilize stirring effect to increase the heat transfer area of active material in the glutinous thick raffinate, the distillation efficiency of active material in the raffinate has been improved, stirring rotation in-process has decurrent impetus simultaneously, can extrude glutinous thick raffinate export discharge from the raffinate after the distillation is finished downwards, and combine the heating effect of heating formula ball valve, the difficult problem of N-methylaniline with the jam raffinate cauldron has been solved.
In this embodiment, stirring vane 3 is equipped with two sets ofly about the connecting rod, and a set of stirring vane 3 is located raffinate cauldron 1's lower part, and another group of stirring vane 3 is located raffinate cauldron 1's well upper portion, utilizes two sets of stirring vane 3 from top to bottom for the stirring heat transfer is more abundant, and effective substance heat transfer distillation efficiency is higher. The inclination angle of the stirring blades 3 to the horizontal direction is preferably 30 degrees, the stirring blade can provide enough downward thrust effect while stirring, the safety and the reliability are high, and the purposes of safety, environmental protection and clean production are achieved. In order to fix the residual liquid kettle 1, a fixed support 16 is further arranged on the outer wall of the residual liquid kettle 1, and the fixed support 16 is welded on the outer wall of the residual liquid kettle 1 and used for fixing the residual liquid kettle 1. The top of the rectifying tower 5 is provided with a self-refluxing condenser 7 communicated with the top of the rectifying tower 5, the bottom of the self-refluxing condenser 7 is provided with a circulating water inlet 13, the top of the self-refluxing condenser is provided with a circulating water outlet 14, cooling enters from the circulating water inlet 13, heat exchange is carried out, then the cooling flows out from the circulating water outlet 14, circulating cooling is carried out in the self-refluxing condenser 7, the top of the self-refluxing condenser 7 is provided with a rectifying gas phase outlet 8, and the rectified N-methylaniline is evaporated out from the rectifying gas phase outlet 8.
In the distillation and discharge device for the N-methylaniline residual liquid, stirring and rectification are carried out under negative pressure during working, high-boiling substances from a system enter a residual liquid kettle 1, the pressure of the system is-0.095 MPa, the temperature of the residual liquid kettle 1 is stirred and evaporated at 120-130 ℃, effective substances in the residual liquid are further evaporated in a rectifying tower 5 after sufficient heat exchange, and the effective substances are evaporated and recovered through a rectification gas phase outlet 8; in the distillation process, accessible agitator motor 9 drives stirring vane 3 and just reverses rotation in turn, also can only rotate to a direction for the raffinate stirs in raffinate cauldron 1 and rolls, has improved the heat exchange efficiency of raffinate. After the rectification is finished, the heating ball valve 17 is opened, the stirring motor 9 drives the stirring blade 3 to rotate, a downward pushing force effect is generated, and the sticky residual liquid is discharged from the residual liquid outlet 12.
The utility model discloses a N-methylaniline raffinate distillation discharging device sets up the stirring vane who has inclination in the raffinate cauldron, utilizes the stirring effect to increase the heat transfer area of active material in the sticky raffinate, has improved the distillation efficiency of active material in the raffinate, has decurrent impetus to the rotatory in-process of stirring simultaneously, can extrude the sticky raffinate export discharge from the raffinate after the distillation is finished downwards to combine the heating effect who adds the hot type ball valve, solved the difficult problem of N-methylaniline raffinate in order to block up the raffinate cauldron.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a N-methylaniline raffinate distillation discharging device, includes raffinate cauldron (1) and rectifying column (5), rectifying column (5) be connected with gaseous phase export (4) of raffinate cauldron (1), the outer wall of raffinate cauldron (1) have conduction oil heating jacket (2), conduction oil heating jacket (2) on be equipped with conduction oil inlet (11) and conduction oil export (10), the top of raffinate cauldron (1) be equipped with gaseous phase feed inlet (15), the bottom is equipped with raffinate export (12), rectifying column (5) in be equipped with filler (6), its characterized in that: the top of raffinate cauldron (1) be equipped with agitator motor (9), agitator motor (9) connect stirring vane (3) through the connecting rod, stirring vane (3) be located inside raffinate cauldron (1), and stirring vane (3) have the inclination that produces downward drive force when rotatory, raffinate export (12) department install and add hot type ball valve (17).
2. The distillation discharging device for the N-methylaniline raffinate as in claim 1, which is characterized in that: stirring vane (3) on the connecting rod about two sets of, a set of stirring vane (3) are located the lower part of raffinate cauldron (1), another set of stirring vane (3) are located the well upper portion of raffinate cauldron (1).
3. The distillation discharging device for the N-methylaniline raffinate as claimed in claim 1 or 2, characterized in that: the inclination angle of the stirring blade (3) and the horizontal direction is 30 degrees.
4. The distillation discharging device for the N-methylaniline raffinate as in claim 3, characterized in that: the top of rectifying column (5) be equipped with from reflux condenser (7) that are linked together with rectifying column (5) top, the bottom of from reflux condenser (7) be equipped with circulating water import (13), the top is equipped with circulating water export (14).
5. The distillation discharging device for the N-methylaniline raffinate as in claim 4, which is characterized in that: the outer wall of the residual liquid kettle (1) is also provided with a fixed support (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977873.6U CN210543439U (en) | 2019-06-27 | 2019-06-27 | N-methylaniline raffinate distillation discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977873.6U CN210543439U (en) | 2019-06-27 | 2019-06-27 | N-methylaniline raffinate distillation discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210543439U true CN210543439U (en) | 2020-05-19 |
Family
ID=70665004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920977873.6U Active CN210543439U (en) | 2019-06-27 | 2019-06-27 | N-methylaniline raffinate distillation discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210543439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471429A (en) * | 2022-01-26 | 2022-05-13 | 重庆毂运科技有限公司 | Refining kettle for producing 2-ethyl anthraquinone and refining process of 2-ethyl anthraquinone |
-
2019
- 2019-06-27 CN CN201920977873.6U patent/CN210543439U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471429A (en) * | 2022-01-26 | 2022-05-13 | 重庆毂运科技有限公司 | Refining kettle for producing 2-ethyl anthraquinone and refining process of 2-ethyl anthraquinone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210543439U (en) | N-methylaniline raffinate distillation discharging device | |
| CN205368255U (en) | Semi-continuous device for lightening heavy oil in supercritical solvent environment | |
| CN202169099U (en) | Plate type and packing combined reactive distillation device with continuous external circulation | |
| CN110787762A (en) | Method and device for preparing pivalic acid | |
| CN205462220U (en) | Chemical industry retort convenient to abundant reaction | |
| CN211487670U (en) | Device for preparing pivalic acid | |
| CN219324210U (en) | Double-layer glass reaction kettle | |
| CN205002618U (en) | Novel high -efficient aluminium ingot production line residual heat from flue gas utilizes system | |
| CN106479668B (en) | Device for extracting star anise oil by negative pressure circulating water | |
| CN209123377U (en) | A kind of device distilling casting silane coupling agent | |
| CN214763410U (en) | Reaction device for separating n-heptane and ethyl acetate by extractive distillation | |
| CN201216885Y (en) | Methanol recycling apparatus | |
| CN110256204A (en) | A kind of preparation method of prenol | |
| CN202199146U (en) | External circular reaction side-discharge rectification apparatus in composite structure | |
| CN209735590U (en) | Novel polyester resin polymerization cauldron | |
| CN206215217U (en) | A kind of resin reaction kettle | |
| CN208287520U (en) | Dropwise addition steams reaction unit | |
| CN208066350U (en) | A kind of novel ester reaction kettle | |
| CN110330416A (en) | A kind of preparation method of isoamyl olefine aldehydr | |
| CN205856978U (en) | A kind of asphalt modification integrated reactor | |
| CN201419097Y (en) | Integrally sealed spray polymerization reaction kettle | |
| CN2677023Y (en) | Cracking apparatus | |
| CN103695162A (en) | Double-stage mixing stripping tower with self-cleaning type inclined plates | |
| CN109745730B (en) | Heat energy recycling system | |
| CN219232303U (en) | Nine petroleum resin hydrogenation reactor of carbon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230820 Address after: No. 1 Weihua Road, Xinbei District, Changzhou City, Jiangsu Province, 213127 Patentee after: Jiangsu Jingying Chemical New Materials Co.,Ltd. Address before: 213001 No. 1, Weihua Road, chemical industry park, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU BAOLONG CHEMICALS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1 Weihua Road, Xinbei District, Changzhou City, Jiangsu Province, 213127 Patentee after: Jiangsu Jingying New Materials Co.,Ltd. Address before: No. 1 Weihua Road, Xinbei District, Changzhou City, Jiangsu Province, 213127 Patentee before: Jiangsu Jingying Chemical New Materials Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |