CN217567547U

CN217567547U - Continuous automatic water distribution device in production of acetyl morpholine

Info

Publication number: CN217567547U
Application number: CN202221848671.XU
Authority: CN
Inventors: 强国英; 祝志干; 梁高飞; 胡志刚
Original assignee: Shandong Cynda Chemical Co ltd
Current assignee: Shandong Cynda Chemical Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-10-14
Anticipated expiration: 2032-07-18

Abstract

The utility model belongs to the technical field of chemical production and discloses a continuous automatic water diversion device in the production of acetyl morpholine, which comprises a delayer chamber, wherein the top of the delayer chamber is provided with a condensate inlet which is communicated with a condenser through a condensate pipeline; the upper part of one side of the delaminator chamber is provided with a light component outlet, and the upper part and the lower part of the side wall of the delaminator chamber are respectively provided with a window; the bottom of the delaminating device chamber is provided with a water outlet, the water outlet is communicated with a drain pipeline and a water collecting pipeline through valve pipelines respectively, the water collecting pipeline is provided with a liquid level control pipe protruding upwards, the top of the liquid level control pipe is provided with a balance pipe valve, and the balance pipe valve is communicated to the top of the delaminating device chamber through a pipeline. The utility model discloses simple structure, dehydration are efficient, and need not artifical frequent operation.

Description

Continuous automatic water diversion device in production of acetyl morpholine

Technical Field

The utility model belongs to the technical field of chemical production, concretely relates to continuous automatic water diversion apparatus in acetyl morpholine production.

Background

The acetyl morpholine is a very important pesticide intermediate, and is one of the main raw materials for synthesizing agricultural fungicides dimethomorph and flumorph; the common production method is that morpholine is added into dimethylbenzene and acetic anhydride under stirring, after the dropwise addition, the temperature is slowly raised, reflux and dehydration are carried out, after the dehydration, the solvent and acetic acid are removed, and the residual part in the kettle is intermediate acetylmorpholine. In the process, water generated by the reaction needs to be continuously removed from a reaction system for layering and dehydration to promote better reaction, at present, a glass water separator is mostly used for water separation, and has the characteristic of convenient observation, but in actual production, because the material in the glass water separator contains more organic solvents or is inflammable, toxic and harmful substances, and the material of the glass water separator is fragile, and the glass water separator is mostly connected by adopting bakelite flanges and rubber rings, the glass water separator has the hidden dangers of easy crushing or leakage and the like, for example, the workshop is easy to explode and crack when violent shock and explosion accidents occur, so the safety risk of using the existing glass layering device is higher; moreover, in actual operation, people are required to regularly and frequently carry out layering to remove lower-layer water, labor and time are wasted, water is easily returned to the reaction kettle when the operation is not timely divided, dehydration time and dehydration efficiency are further influenced, unnecessary secondary dehydration is brought, and energy waste is caused. Therefore, a water diversion device is urgently needed in practical production to solve the problems.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the continuous automatic water distribution device in the production of the acetyl morpholine can better solve the problem of water distribution in the production of the acetyl morpholine, has a simple structure, does not need frequent manual operation, can realize continuous automatic layering, and has high dehydration efficiency.

In order to solve the technical problem, the technical scheme of the utility model is that:

a continuous automatic water diversion device in the production of acetyl morpholine comprises a delayer chamber, wherein the top of the delayer chamber is provided with a condensate inlet which is communicated with a condenser through a condensate pipeline; the upper part of one side of the delaminator chamber is provided with a light component outlet, and the upper part and the lower part of the side wall of the delaminator chamber are respectively provided with a window; the bottom of the delayer chamber is provided with a water outlet, the water outlet is communicated with a drain pipeline and a water collecting pipeline through valve pipelines respectively, the water collecting pipeline is provided with a liquid level control pipe protruding upwards, the top of the liquid level control pipe is provided with a balance pipe valve, and the balance pipe valve is communicated to the top of the delayer chamber through a pipeline to prevent the generation of siphonage and draw away the feed liquid of the delayer chamber.

Preferably, the delaminator chamber is a stainless steel delaminator chamber. The defect that the glass delaminator is fragile is overcome.

Preferably, the condensate conduit is inserted into the interior of the stratifier chamber through the top of the stratifier chamber, the condensate conduit being inserted into the interior of the stratifier chamber at a height of one half of the length of the stratifier chamber. This arrangement allows the condensate to separate slowly from the chamber, after which the upper part of the chamber is light (xylene) and the lower part is water.

Preferably, the liquid level control pipe is a pipe which is connected with the water collecting pipe in parallel, and a valve is arranged on the water collecting pipe at the parallel connection position, so that the switching between automatic layering and later-stage liquid drainage or emptying is realized.

Preferably, the height of the top of the liquid level control pipe is the same as that of the bottom of the light component outlet pipe at the upper part of the delaminating chamber, so that the stopping time of the stratified liquid in the delaminating chamber can be maximally increased, and the stratification is facilitated.

Preferably, the type of the layering chamber is V-125L, and the manufacturer is Shandong golden sun pharmaceutical machinery, inc.

Preferably, the liquid level control pipe and the balance pipe connected with the balance pipe valve are both self-welded.

Preferably, the valve model is DN40 PN16, and the manufacturer is Zhejiang Yonglong valve Co.

Preferably, one quarter height and three quarters height of the side wall of the delaminator chamber are respectively provided with a window. The device is used for observing the layering condition of the feed liquid in the layering device chamber.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model discloses a liquid level control pipe controls the height of liquid level in the delayer room, through the rational connection design of pipeline, has realized the automatic water diversion of serialization, and the centre need not artificial intervention, has overcome the defect that needs artifical frequent operation layering to divide water among the prior art and the breakable defect of glass delayer.

In a word, the utility model discloses simple structure, dehydration are efficient, and need not artifical frequent operation.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

in the figure, 1, a delayer chamber; 2. a condensate conduit; 3. a condenser; 4. a light component outlet; 5. a window; 6. draining the pipeline; 7. a water collection conduit; 8. a liquid level control tube; 9. a balanced tube valve.

Detailed Description

The invention is further explained below with reference to the drawings and examples.

The first embodiment is as follows:

as shown in fig. 1, a continuous automatic water diversion device in the production of acetyl morpholine comprises a delayer chamber 1, wherein a condensate inlet (not shown) is arranged at the top of the delayer chamber 1 and is communicated to a condenser 3 through a condensate pipeline 2; the upper part of one side of the delaminating device chamber 1 is provided with a light component outlet 4, and the upper part and the lower part of the side wall of the delaminating device chamber 1 are respectively provided with a window 5; the bottom of the delaminating device chamber 1 is provided with a water outlet which is respectively communicated with a clean-up pipeline 6 and a water collecting pipeline 7 through valves (not marked), the water collecting pipeline 7 is provided with a liquid level control pipe 8 which protrudes upwards, the top of the liquid level control pipe 8 is provided with a balance pipe valve 9, and the balance pipe valve 9 is communicated to the top of the delaminating device chamber 1 through a pipeline; the condensate inlet, the light fraction outlet 4 and the water outlet are provided with flow meters (not shown), and the flow meters, the balance pipe valve 9 and the valves are electrically connected to an automatic control system (not shown).

In actual production: before distillation and dehydration, the valves of a (light component outlet 4 reflows to the reaction kettle), e (heavy component outlet valve), f (balance pipe valve 9) in the continuous automatic layering device are opened, and simultaneously, the valves of b (drain valve on drain pipeline 6), c (water collecting pipeline 7, layering interface in adjustable layering device chamber 1) and d (layering interface and liquid drainage in adjustable layering device chamber 1) are closed. During the reaction of the acetyl morpholine, azeotropic gas-liquid containing dimethylbenzene and water in a reaction kettle is continuously condensed into liquid through a condenser 3 along with the rise of temperature and the progress of the reaction, the liquid flows to a delayer chamber 1 through a condensate pipeline 2, the dimethylbenzene and the water (containing acetic acid) can form layering in the delayer chamber 1 by means of gravity, when fraction liquid is quickly filled in the delayer chamber 1, a valve c is opened, so that the fraction liquid can be layered in the delayer chamber 1 by means of gravity along with the continuous outflow of the fraction, light component dimethylbenzene can continuously flow back to the reaction kettle through a light component outlet 4, heavy component water (containing acetic acid) can continuously flow out from a water outlet valve e, the position of a boundary of the heavy component is adjusted through the valve c (closed to improve the position of the liquid level of the heavy component and then opened), and the valve d (opened to reduce the position of the liquid level of the heavy component and then closed after reaching the position), so that the continuous automatic layering and dehydration operation is realized.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications can be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. A continuous automatic water diversion device in the production of acetyl morpholine is characterized in that: the device comprises a delayer chamber, wherein a condensate inlet is arranged at the top of the delayer chamber and is communicated to a condenser through a condensate pipeline; the upper part of one side of the delayer chamber is provided with a light component outlet, and the upper part and the lower part of the side wall of the delayer chamber are respectively provided with a window; the bottom of the delaminator room is equipped with the water outlet, and the water outlet has clean pipe and water collection pipeline through valve pipeline intercommunication respectively, be equipped with the bellied liquid level control pipe that makes progress on the water collection pipeline, liquid level control pipe top is equipped with balanced pipe valve, and balanced pipe valve communicates the delaminator room top through the pipeline.

2. The continuous automatic water diversion device in the production of acetyl morpholine as claimed in claim 1, characterized in that: the delayer chamber is a stainless steel delayer chamber.

3. The continuous automatic water diversion device in the production of acetyl morpholine as claimed in claim 1, characterized in that: the condensate conduit is inserted into the interior of the stratifier chamber through the top of the stratifier chamber, and the condensate conduit is inserted into the interior of the stratifier chamber at a height of one half of the length of the stratifier chamber.

4. The continuous automatic water diversion device in the production of acetyl morpholine as claimed in claim 1, characterized in that: the liquid level control pipe is a pipeline which is connected with the water collecting pipeline in parallel, and a valve is arranged on the water collecting pipeline at the parallel connection position.

5. The continuous automatic water-dividing apparatus in the production of acetylmorpholine as claimed in claim 1, characterized in that: the height of the top of the liquid level control pipe is the same as the height of the bottom of the light component outlet pipe at the upper part of the delayer chamber.

6. The continuous automatic water-dividing apparatus in the production of acetylmorpholine as claimed in claim 1, characterized in that: and one quarter of the height and three quarters of the height of the side wall of the delaminating device chamber are respectively provided with a window.