CN-224220760-U - Internal reflux automatic distillation device

CN224220760UCN 224220760 UCN224220760 UCN 224220760UCN-224220760-U

Abstract

The utility model particularly relates to an internal reflux automatic distillation device which comprises a distillation kettle, wherein a vertically arranged evaporator is arranged on a feed pipe at the top of the distillation kettle, a vertically arranged distillation tower is arranged at the top of the distillation kettle and positioned at the side part of the evaporator, a condenser is connected at the outlet of the top of the distillation tower, a unpowered internal reflux device is arranged at the top of the distillation tower and positioned below the condenser, a horizontally arranged discharge pipe is communicated at the side part of the distillation tower and positioned below the internal reflux device, the discharge pipe is communicated with a finished product receiving tank, a discharge automatic control valve is arranged on the discharge pipe, the bottom of the distillation kettle is communicated with a feed inlet at the top of the evaporator through a pipeline I, a circulating pump and an intelligent control valve at the bottom of the distillation kettle are arranged on the pipeline I, a raw material feed pipe is also communicated on the pipeline I, and an intelligent feed control valve for the distillation kettle is arranged on the raw material feed pipe. Intelligent control remote operation, convenient to use.

Inventors

ZHAO JUNXIA
JIN ZHEN
ZHANG PENGCHAO
SUN LIANGLIANG
GUO HONGCHAO
XIE JIATAO
FU JINGCHAO
JIA BOYU
LI GANG
LUAN SHUJING
WANG LIXIA
ZHAO JUNFEI
LIU FENG

Assignees

河南华龙香料有限公司

Dates

Publication Date: 20260512
Application Date: 20250529

Claims (8)

1. The internal reflux automatic distillation device is characterized by comprising a distillation kettle, wherein a vertically arranged evaporator is arranged on a feed pipe at the top of the distillation kettle, a vertically arranged distillation tower is arranged at the top of the distillation kettle and positioned at the side part of the evaporator, a condenser is connected at the outlet of the top of the distillation tower, a unpowered internal reflux device is arranged at the top of the distillation tower and positioned below the condenser, a horizontally arranged discharge pipe is communicated at the side part of the distillation tower and positioned below the internal reflux device, the discharge pipe is communicated with a finished product receiving tank, a discharge automatic control valve is arranged on the discharge pipe, the bottom of the distillation kettle is communicated with a feed inlet at the top of the evaporator through a pipeline I, a circulating pump and an intelligent control valve at the bottom of the distillation kettle are arranged on the pipeline I, a raw material feed pipe is also communicated on the pipeline I, and an intelligent feed control valve for the distillation kettle is arranged on the raw material feed pipe.
2. The internal reflux automatic distillation apparatus according to claim 1, wherein the unpowered internal reflux device comprises a fixed ring, the fixed ring is arranged on the inner wall of the distillation tower, the top of the fixed ring is provided with a first distributor, the top and the bottom of the first distributor are both of an open horn-shaped structure, a plurality of first supporting columns are fixedly connected to the outer periphery of the open position of the top of the first distributor, the top of each first supporting column is fixedly connected with a second distributor, and the second distributor is of a conical structure with the open top at the bottom and the closed top.
3. The internal reflux automatic distillation device of claim 2, wherein a plurality of reflux pipes are uniformly distributed outside the first distributor, the reflux pipes horizontally penetrate through the first conical distributor, one end of each reflux pipe is positioned above the fixed ring, the other end of each reflux pipe is communicated with the circumference of the connecting pipe, the bottom of the connecting pipe is provided with a bottom plate, the top of the connecting pipe is of an opening structure, and the bottom plate is provided with a plurality of reflux holes.
4. An internal reflux automatic distillation apparatus as set forth in claim 3 wherein the discharge pipe is located at the bottom of the stationary ring and one end of the discharge pipe located in the distillation column is of a closed configuration and the discharge pipe is located at the bottom of the stationary ring and communicates therewith.
5. The apparatus of claim 4, wherein the distillation column is provided with redistributors.
6. The internal reflux automatic distillation device of claim 1, wherein the top outlet of the condenser is connected with a vacuum removing buffer tank through a second pipeline, and a vacuum intelligent control valve is arranged on the second pipeline.
7. The automatic internal reflux distillation apparatus of claim 1, wherein the finished product receiving tank and the distillation still are provided with intelligent remote liquid level meters, and the distillation still is also provided with intelligent temperature sensors.
8. The internal reflux automatic distillation device of claim 3, wherein the side part of the evaporator is communicated with a steam inlet pipe and a steam outlet pipe, and the steam inlet pipe is provided with a steam intelligent regulating valve and an intelligent remote pressure gauge.

Description

Internal reflux automatic distillation device Technical Field The utility model relates to the field of distillation equipment, in particular to an internal reflux automatic distillation device. Background Distillation is a thermodynamic separation process that utilizes the difference in boiling points of the components in a mixed liquor to vaporize the lower boiling components and then to recondense the components to separate the entire components. The condenser of the existing distillation device is generally arranged at the side part of the distillation kettle and is not directly connected, and condensed liquid is required to be conveyed to the distillation kettle for reflux through a power device, so that the distillation effect is improved. Disclosure of Invention The utility model provides an internal reflux automatic distillation device. The technical scheme is that the internal reflux automatic distillation device comprises a distillation kettle, a vertically arranged evaporator is arranged on a feed pipe at the top of the distillation kettle, a vertically arranged distillation tower is arranged at the top of the distillation kettle and at the side part of the evaporator, a condenser is connected to an outlet at the top of the distillation tower, a unpowered internal reflux device is arranged below the condenser, a horizontally arranged discharge pipe is communicated with the side part of the distillation tower and below the internal reflux device, the discharge pipe is communicated with a finished product receiving tank, a discharge automatic control valve is arranged on the discharge pipe, the bottom of the distillation kettle is communicated with a feed inlet at the top of the evaporator through a pipeline I, a circulating pump and an intelligent control valve at the bottom of the distillation kettle are arranged on the pipeline I, a raw material feed pipe is also communicated with the pipeline I, and an intelligent feed control valve of the distillation kettle is arranged on the raw material feed pipe. The unpowered internal reflux device comprises a fixed ring, the fixed ring is arranged on the inner wall of the distillation tower, the top of the fixed ring is provided with a first distributor, the top and the bottom of the first distributor are of an open horn-shaped structure, a plurality of first support columns are fixedly connected to the outer periphery of the open position of the top of the first distributor, the top of the first support column is fixedly connected with a second distributor, and the second distributor is of a conical structure with an open bottom and a closed top. The outside of distributor one equally distributes has a plurality of back flow, and the equal level of back flow passes toper distributor one, and the one end of back flow is located solid fixed ring's top, and the other end of back flow all is linked together with the circumference of connecting pipe, and there is the bottom plate bottom the connecting pipe, and the top of connecting pipe is open structure, and a plurality of back flow holes have been seted up to the bottom plate. The discharging pipe is positioned at the bottom of the fixed ring, one end part of the discharging pipe positioned in the distillation tower is of a closed structure, and the discharging pipe is positioned at the bottom of the fixed ring and communicated with the fixed ring. A plurality of redistributors are arranged in the distillation tower. The top outlet of the condenser is connected with a vacuum removing buffer tank through a second pipeline, and a vacuum intelligent control valve is arranged on the second pipeline. The finished product receiving tank and the distillation still are provided with intelligent remote liquid level meters, and the distillation still is also provided with intelligent temperature sensors. The lateral part intercommunication of evaporimeter has steam intake pipe and steam outlet duct, installs steam intelligent control valve and intelligent teletransmission manometer in the steam intake pipe. The technical scheme of the utility model has the advantages that the condenser arranged vertically is arranged at the top of the distillation tower, the unpowered internal reflux device is arranged between the distillation tower and the condenser, the internal reflux can be realized without power driving, the residence time of liquid phase in the distillation tower is increased, the separation efficiency is improved, purer products are obtained, the quantity of mixture to be heated can be reduced by recycling part of liquid products as reflux, the energy consumption is reduced, and the like, the reflux quantity and the quantity of finished products to be heated in the tower are intelligently adjusted through the discharging automatic control valve, the intelligent and convenient operation are realized, a plurality of redistributors are arranged in the distillation tower, the internal reflux liquid can be preven