CN105523935A - Isooctyl chloroacetate synthesis device - Google Patents
Isooctyl chloroacetate synthesis device Download PDFInfo
- Publication number
- CN105523935A CN105523935A CN201410524577.2A CN201410524577A CN105523935A CN 105523935 A CN105523935 A CN 105523935A CN 201410524577 A CN201410524577 A CN 201410524577A CN 105523935 A CN105523935 A CN 105523935A
- Authority
- CN
- China
- Prior art keywords
- discharging
- reactor
- pipeline
- vessel
- hold
- 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.)
- Pending
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses an isooctyl chloroacetate synthesis device. According to the invention, a chloroacetic acid storage tank and a toluene storage tank are connected in parallel, and are connected to the upper part of a reaction kettle through a feeding pipeline; a reaction section formed by an acidic resin filling material is arranged in the reaction kettle; reflux devices are respectively arranged on the top and at the bottom of the reaction kettle, such that raw materials can be refluxed and can sufficiently react in the reaction kettle. According to the technical scheme of the invention, chloroacetic acid and toluene are fed from the upper section of the reaction kettle at a same time, and isooctanol is fed from the bottom of the reaction kettle; a reaction is carried out under the existence of an acidic resin catalyst; discharge can be carried out with options of three discharge pipes, such that the continuous operation of reaction and discharge is accelerated. With the method, reaction operation is simpler, the reaction effect is better, and a conversion rate is improved.
Description
Technical field
The invention belongs to chemical technology field, more particularly, relate to the synthesizer of Isooctyl chloroacetate.
Background technology
Isooctyl chloroacetate is a kind of important chemical industry intermediates, under the megatrend that present chemical industry develops, more and more highlight its importance as intermediates, in the preparation technology of Isooctyl chloroacetate, often adopt dense acid as catalyst, water entrainer made by toluene, with Mono Chloro Acetic Acid and isooctyl alcohol for raw material carries out esterification.Be improve the performance of catalyzer with main direction of studying in recent years, solve original processing wastewater waste gas and to problems such as equipment corrosion are serious.Application and raw immobilized super acids are wherein reasonable a kind of catalyzer, but this kind of Catalyst Production complex process, cost is high, limits it and uses.How on the basis of existing installation, fully to carry out catalysis, become study hotspot.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, for the deficiency of existing chemical industry equipment in the different monooctyl ester of synthesis of chloroacetic acid, the device of the different monooctyl ester of a kind of continuity synthesis of chloroacetic acid is provided, while can improving catalytic performance, avoids the pollution of useless water and waste water.
Technical purpose of the present invention is achieved by following technical proposals:
A synthesizer for Isooctyl chloroacetate, comprises the first fresh feed pump, the second fresh feed pump, 3rd fresh feed pump, the first discharging pump, the second discharging pump, 3rd discharging pump, the first charging regulated valve, the second charging regulated valve, 3rd charging regulated valve, the first discharging variable valve, Mono Chloro Acetic Acid hold-up vessel, toluene hold-up vessel, isooctyl alcohol hold-up vessel, reactor, conversion zone, reboiler and condenser, wherein:
Described Mono Chloro Acetic Acid hold-up vessel is connected with the top of reactor by pipeline, and in pipeline, arrange the first fresh feed pump and the first charging regulated valve; Described toluene hold-up vessel is connected with the top of reactor by pipeline, and in pipeline, arrange the second fresh feed pump and the second charging regulated valve; Described isooctyl alcohol hold-up vessel is connected with the bottom of reactor by pipeline, and in pipeline, arrange the 3rd fresh feed pump and the 3rd charging regulated valve;
Be connected with condenser by the first discharging pipeline (not marking in figure) on the top of reactor, to form overhead reflux, and the first discharging pump be set in the first discharging pipeline, for backflow provides power while guarantee discharging; Be connected with reboiler by the second discharging pipeline (not marking in figure) in the bottom of reactor, to form bottom backflow, and the 3rd discharging pump be set in the second discharging pipeline, for backflow provides power while guarantee discharging; 3rd discharging pipeline (not marking in figure) is set in the bottom of reactor, and the first discharging variable valve is set in the 3rd discharging pipeline.
In technique scheme, after described Mono Chloro Acetic Acid hold-up vessel and the parallel connection of toluene hold-up vessel, be connected with reactor top by feeding pipe (not marking in figure), described feeding pipe is arranged on distance 30-50cm place, reactor top.
In technique scheme, described 3rd discharging pipeline is arranged on 30-50cm place bottom distance reactor.
In technique scheme, in described reactor, arrange conversion zone, described conversion zone is formed by the acidic resins of filling, and is arranged on the mid-way of reactor, and accounts for 2/1 to three/2nds of reactor internal volume.
Adopt technical scheme of the present invention, Mono Chloro Acetic Acid and toluene are simultaneously from section feeding reactor, isooctyl alcohol is from reactor bottom feed, react under the catalyzer of acidic resins, reflux (reboiler and condenser) is set respectively on the top of reactor and bottom simultaneously, reflux to enable raw material and fully react in a kettle., simultaneously can according to real reaction situation, select to carry out discharging by three discharging pipelines, to add the continuous operation of fast response and discharging, make operation more simple, reaction effect is better, and transformation efficiency improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of the synthesizer of Isooctyl chloroacetate of the present invention, wherein 1-1 is the first fresh feed pump, 1-2 is the second fresh feed pump, 1-3 is the 3rd fresh feed pump, and 1-4 is the first discharging pump, and 1-5 is the second discharging pump, 1-6 is the 3rd discharging pump, 2-1 is the first charging regulated valve, and 2-2 is the second charging regulated valve, and 2-3 is the 3rd charging regulated valve, 2-4 is the first discharging variable valve, 3-1 is Mono Chloro Acetic Acid hold-up vessel, and 3-2 is toluene hold-up vessel, and 3-3 is isooctyl alcohol hold-up vessel, 4 is reactor, 4-1 is conversion zone, and 5 is reboiler, and 6 is condenser.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
As shown in Figure 1, the structural representation of the synthesizer of Isooctyl chloroacetate of the present invention, comprises the first fresh feed pump, the second fresh feed pump, 3rd fresh feed pump, the first discharging pump, the second discharging pump, 3rd discharging pump, the first charging regulated valve, the second charging regulated valve, 3rd charging regulated valve, the first discharging variable valve, Mono Chloro Acetic Acid hold-up vessel, toluene hold-up vessel, isooctyl alcohol hold-up vessel, reactor, conversion zone, reboiler and condenser, wherein:
Described Mono Chloro Acetic Acid hold-up vessel is connected with the top of reactor by pipeline, and in pipeline, arrange the first fresh feed pump and the first charging regulated valve; Described toluene hold-up vessel is connected with the top of reactor by pipeline, and in pipeline, arrange the second fresh feed pump and the second charging regulated valve; Described isooctyl alcohol hold-up vessel is connected with the bottom of reactor by pipeline, and in pipeline, arrange the 3rd fresh feed pump and the 3rd charging regulated valve;
Be connected with condenser by the first discharging pipeline (not marking in figure) on the top of reactor, to form overhead reflux, and the first discharging pump be set in the first discharging pipeline, for backflow provides power while guarantee discharging; Be connected with reboiler by the second discharging pipeline (not marking in figure) in the bottom of reactor, to form bottom backflow, and the 3rd discharging pump be set in the second discharging pipeline, for backflow provides power while guarantee discharging; 3rd discharging pipeline (not marking in figure) is set in the bottom of reactor, and the first discharging variable valve is set in the 3rd discharging pipeline.
In technique scheme, after described Mono Chloro Acetic Acid hold-up vessel and the parallel connection of toluene hold-up vessel, be connected with reactor top by feeding pipe (not marking in figure), described feeding pipe is arranged on distance 30-50cm place, reactor top.
In technique scheme, described 3rd discharging pipeline is arranged on 30-50cm place bottom distance reactor.
In technique scheme, in described reactor, arrange conversion zone, described conversion zone is formed by the acidic resins of filling, and is arranged on the mid-way of reactor, and accounts for 2/1 to three/2nds of reactor internal volume.
Adopt technical scheme of the present invention, Mono Chloro Acetic Acid and toluene are simultaneously from section feeding reactor, isooctyl alcohol is from reactor bottom feed, react under the catalyzer of acidic resins, reflux (reboiler and condenser) is set respectively on the top of reactor and bottom simultaneously, reflux to enable raw material and fully react in a kettle., simultaneously can according to real reaction situation, select to carry out discharging by three discharging pipelines, to add the continuous operation of fast response and discharging, make operation more simple, reaction effect is better, and transformation efficiency improves.
Above to invention has been exemplary description; should be noted that; when not departing from core of the present invention, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection scope of the present invention.
Claims (3)
1. a synthesizer for Isooctyl chloroacetate, is characterized in that, comprises the first fresh feed pump, the second fresh feed pump, 3rd fresh feed pump, the first discharging pump, the second discharging pump, 3rd discharging pump, the first charging regulated valve, the second charging regulated valve, 3rd charging regulated valve, the first discharging variable valve, Mono Chloro Acetic Acid hold-up vessel, toluene hold-up vessel, isooctyl alcohol hold-up vessel, reactor, conversion zone, reboiler and condenser, wherein:
Described Mono Chloro Acetic Acid hold-up vessel is connected with the top of reactor by pipeline, and in pipeline, arrange the first fresh feed pump and the first charging regulated valve; Described toluene hold-up vessel is connected with the top of reactor by pipeline, and in pipeline, arrange the second fresh feed pump and the second charging regulated valve; Described isooctyl alcohol hold-up vessel is connected with the bottom of reactor by pipeline, and in pipeline, arrange the 3rd fresh feed pump and the 3rd charging regulated valve; After described Mono Chloro Acetic Acid hold-up vessel and the parallel connection of toluene hold-up vessel, be connected with reactor top by feeding pipe;
Be connected with condenser by the first discharging pipeline on the top of reactor, to form overhead reflux, and the first discharging pump be set in the first discharging pipeline, for backflow provides power while guarantee discharging; Be connected with reboiler by the second discharging pipeline in the bottom of reactor, to form bottom backflow, and the 3rd discharging pump be set in the second discharging pipeline, for backflow provides power while guarantee discharging; 3rd discharging pipeline is set in the bottom of reactor, and the first discharging variable valve is set in the 3rd discharging pipeline; In described reactor, arrange conversion zone, described conversion zone is formed by the acidic resins of filling, and is arranged on the mid-way of reactor, and accounts for 2/1 to three/2nds of reactor internal volume.
2. the synthesizer of a kind of Isooctyl chloroacetate according to claim 1, is characterized in that, described feeding pipe is arranged on distance 30-50cm place, reactor top.
3. the synthesizer of a kind of Isooctyl chloroacetate according to claim 1, is characterized in that, described 3rd discharging pipeline is arranged on 30-50cm place bottom distance reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524577.2A CN105523935A (en) | 2014-09-30 | 2014-09-30 | Isooctyl chloroacetate synthesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524577.2A CN105523935A (en) | 2014-09-30 | 2014-09-30 | Isooctyl chloroacetate synthesis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105523935A true CN105523935A (en) | 2016-04-27 |
Family
ID=55766508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410524577.2A Pending CN105523935A (en) | 2014-09-30 | 2014-09-30 | Isooctyl chloroacetate synthesis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105523935A (en) |
-
2014
- 2014-09-30 CN CN201410524577.2A patent/CN105523935A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104030919B (en) | A kind of processing method of continuous processing preparation (methyl) tert-butyl acrylate | |
| CN104152275A (en) | Gas-phase methanol esterification reaction device | |
| CN204211673U (en) | The device of the different monooctyl ester of continuity synthesis of chloroacetic acid | |
| CN105523935A (en) | Isooctyl chloroacetate synthesis device | |
| CN204079838U (en) | A kind of transesterification reaction device | |
| CN202199146U (en) | External circular reaction side-discharge rectification apparatus in composite structure | |
| CN105566184A (en) | Device for preparing isooctyl mercaptoacetate through rectification reaction | |
| CN204211675U (en) | The synthesis device of isooctyl mercaptoacetate | |
| CN201832629U (en) | Device for producing formaldehyde by methanol oxidation | |
| CN204211566U (en) | The treatment unit of the factory effluent of Isooctyl chloroacetate | |
| CN204710291U (en) | A kind of liquid distributor | |
| CN105561887A (en) | Catalytic reaction structure of chemical reactor | |
| CN204325198U (en) | Dimethyl succinate produces special purpose device | |
| CN203648117U (en) | Methylal rectifying tower with external reactor | |
| CN204307396U (en) | A kind of distillation column reaction liquid feed back pipe | |
| CN204211674U (en) | The acidic catalyst unit of Isooctyl chloroacetate synthesis | |
| CN104084108B (en) | A kind of esterification reaction tower | |
| CN202989119U (en) | Energy-saving consumption-reducing glutamic acid fermentation tank | |
| CN203021485U (en) | System for continuously producing ethyl butyrate | |
| CN103013815A (en) | Modified glutamic acid fermentation tank | |
| CN205046075U (en) | Biodiesel's apparatus for producing | |
| CN202410247U (en) | Deoxidization tower for producing building materials | |
| CN204429242U (en) | A kind of methyl alcohol distributor for reactor | |
| CN202161907U (en) | Exhaust emission device for trimethyl orthoformate and triethyl orthoformate amination and alcoholysis procedures | |
| CN203653464U (en) | Device for controlling content of furfuraldehyde in acrylic acid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160427 |
|
| WD01 | Invention patent application deemed withdrawn after publication |