CN214512732U

CN214512732U - Solvent recovery and blending unit of water extraction composite concentration system

Info

Publication number: CN214512732U
Application number: CN202023339124.2U
Authority: CN
Inventors: 饶国万
Original assignee: Guangdong Tianshan Pharmaceutical Co ltd
Current assignee: Guangdong Tianshan Pharmaceutical Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-29
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a solvent recovery allotment unit of water extraction composite concentration system, including single effect evaporator, cooling tower, alcohol precipitation jar, still include first solvent jar, second solvent jar, third solvent jar, ethanol pipeline, distilled water pipeline, be equipped with vapour and liquid separator between single effect evaporator and the cooling tower; the bottom of cooling tower is connected with the ethanol solution discharge pipe, be equipped with ethanol solution filling pipe on the alcohol precipitation jar, the bottom of first solvent jar, second solvent jar, third solvent jar is equipped with first fluid-discharge tube, second fluid-discharge tube, third fluid-discharge tube respectively, first fluid-discharge tube, second fluid-discharge tube, third fluid-discharge tube all are connected to the entry of a machine pump, the exit linkage of machine pump to ethanol solution filling pipe, it realizes through simple equipment that the ethanol solvent is adjustable on line, recoverable, belongs to the animal remedy field.

Description

Solvent recovery and blending unit of water extraction composite concentration system

Technical Field

The utility model belongs to animal remedy field, more specifically relates to a solvent recovery allotment unit of compound concentrated system of water extraction.

Background

CN201921370673.0 discloses a device for preparing six-ingredient rehmannia paste by extracting and separating paeonol from a compound traditional Chinese medicine water, which consists of an extraction system, a concentration system and a nanofiltration membrane filtration system, can realize continuous production, continuous concentration and continuous discharge, and optimizes the production process that paeonol is extracted and separated by adopting a steam distillation method firstly, cooled and crystallized, then, tree peony bark dregs and other medicinal materials are decocted and concentrated to obtain extract, and then, the separated paeonol crystal is mixed with the extract in the traditional preparation method; the preparation method using the equipment for production only needs one-time concentration, greatly shortens the production time, improves the production efficiency, can realize industrial continuous production, retains the active ingredients of paeonol of the moutan bark extract by using the equipment for production, has high paeonol transfer rate, and has important significance for fully utilizing medicinal material resources.

In the preparation process of the traditional Chinese veterinary medicine, water extraction is sometimes needed, and alcohol precipitation is sometimes needed after water extraction to further improve the purity.

Alcohol precipitation needs ethanol solution with certain concentration, the concentration of ethanol needed by different raw materials is different, and the concentration of a solvent is changed frequently in the processing process. However, the existing method basically comprises the following steps: different storage tanks are adopted to store ethanol solutions with different concentrations, so that the adjustability is poor, and hardware equipment is more.

Therefore, the technical problems to be solved by the application are as follows: how to adopt simple equipment to realize that the ethanol solvent can be prepared and recycled on line.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a solvent recovery allotment unit of compound concentrated system of aqueous extract, it realizes that the ethanol solvent can be alloted, recoverable on line through simple equipment.

According to the utility model discloses a first aspect provides a solvent recovery allotment unit of compound concentrated system of water extraction, including single effect evaporator, cooling tower, alcohol precipitation jar, still include first solvent jar, second solvent jar, third solvent jar, ethanol pipeline, distilled water pipeline, be equipped with vapour and liquid separator between single effect evaporator and the cooling tower; an ethanol solution discharge pipe is connected to the bottom of the cooling tower, an ethanol solution filling pipe is arranged on the ethanol precipitation tank, a first liquid discharge pipe, a second liquid discharge pipe and a third liquid discharge pipe are respectively arranged at the bottoms of the first solvent tank, the second solvent tank and the third solvent tank, the first liquid discharge pipe, the second liquid discharge pipe and the third liquid discharge pipe are all connected to an inlet of a pump, an outlet of the pump is connected to the ethanol solution filling pipe, and the top of the first solvent tank is communicated with the ethanol solution filling pipe through a first connecting pipe; the top of the first solvent tank is communicated with the ethanol pipeline through a second connecting pipe; the top of the first solvent tank is communicated with the distilled water pipeline through a third connecting pipe; the top of the second solvent tank is communicated with the ethanol solution discharge pipe through a fourth connecting pipe; the top of the second solvent tank is communicated with the distilled water pipeline through a fifth connecting pipe; the top of the third solvent tank is communicated with the ethanol pipeline through a sixth connecting pipe, and the top of the third solvent tank is communicated with the distilled water pipeline through a seventh connecting pipe;

and electromagnetic valves are arranged on the ethanol solution discharge pipe, the ethanol solution filling pipe, the first liquid discharge pipe, the second liquid discharge pipe, the third liquid discharge pipe, the first connecting pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe, the fifth connecting pipe, the sixth connecting pipe and the seventh connecting pipe.

In the solvent recovery and blending unit of the water extraction composite concentration system, the bottom of the cooling tower is also connected with a water discharge pipe and a cleaning waste liquid discharge pipe, and the top of the cooling tower is provided with a cleaning spray pipeline.

In the solvent recovery and blending unit of the water extraction composite concentration system, a shell-and-tube condenser is arranged in the cooling tower, and a water inlet pipe and a water outlet pipe which are connected with the shell pass of the shell-and-tube condenser are arranged on the cooling tower.

In the solvent recovery and blending unit of the water extraction composite concentration system, the gas-liquid separator comprises a conical cavity, the middle part of the conical cavity is connected to the top of the single-effect evaporator through an air inlet pipe, the top of the conical cavity is connected to the upper part of the cooling tower, and the bottom of the conical cavity is connected to the upper part of the single-effect evaporator.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

the utility model discloses a unit realizes that the ethanol solvent is adjustable on line, recoverable through simple equipment.

Specifically, a first solvent tank directly supplies ethanol solution to an alcohol precipitation tank, a second solvent tank is used for blending the ethanol solution recovered from the cooling tower, and a third solvent tank is used for storing ethanol with higher concentration; therefore, the concentration of the ethanol solution in the second solvent tank is the lowest, the concentration of the ethanol solution in the third solvent tank is the highest, and finally the ethanol is pumped into the first solvent tank through the mechanical pump through reasonable volume allocation of the second solvent tank and the third solvent tank, and after the allocation is finished, the ethanol is pumped into the ethanol precipitation tank through the mechanical pump again for ethanol precipitation operation.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Example 1

Referring to fig. 1, a solvent recovery blending unit of a water extraction composite concentration system comprises a single-effect evaporator 1, a cooling tower 2, an alcohol precipitation tank 3, a first solvent tank 4, a second solvent tank 5, a third solvent tank 6, an ethanol pipeline 7 and a distilled water pipeline 8, wherein a gas-liquid separator 9 is arranged between the single-effect evaporator 1 and the cooling tower 2; an ethanol solution discharge pipe 10 is connected to the bottom of the cooling tower 2, an ethanol solution filling pipe 11 is arranged at the top of the alcohol precipitation tank 3, a first liquid discharge pipe 12, a second liquid discharge pipe 13 and a third liquid discharge pipe 14 are respectively arranged at the bottoms of the first solvent tank 4, the second solvent tank 5 and the third solvent tank 6, the first liquid discharge pipe 12, the second liquid discharge pipe 13 and the third liquid discharge pipe 14 are all connected to an inlet of a pump 15, an outlet of the pump 15 is connected to the ethanol solution filling pipe 11, and the top of the first solvent tank 4 is communicated with the ethanol solution filling pipe 11 through a first connecting pipe 16; the top of the first solvent tank 4 is communicated with the ethanol pipeline 7 through a second connecting pipe 17; the top of the first solvent tank 4 is communicated with the distilled water pipeline 8 through a third connecting pipe 18; the top of the second solvent tank 5 is communicated with the ethanol solution discharge pipe 10 through a fourth connecting pipe 19; the top of the second solvent tank 5 is communicated with the distilled water pipe 8 through a fifth connecting pipe 20; the top of the third solvent tank 6 is communicated with the ethanol pipeline 7 through a sixth connecting pipe 21, and the top of the third solvent tank 6 is communicated with the distilled water pipeline 8 through a seventh connecting pipe 22;

electromagnetic valves are arranged on the ethanol solution discharge pipe 10, the ethanol solution filling pipe 11, the first discharge pipe 12, the second discharge pipe 13, the third discharge pipe 14, the first connecting pipe 16, the second connecting pipe 17, the third connecting pipe 18, the fourth connecting pipe, the fifth connecting pipe 20, the sixth connecting pipe 21 and the seventh connecting pipe 22.

Preferably, sensors or sampling ports for detecting the ethanol concentration are arranged in the first solvent tank 4, the second solvent tank 5 and the third solvent tank 6, and the system further comprises an external server, wherein the sensors and the electromagnetic valves are connected to the server, and the server adjusts the opening degree, opens and closes of each electromagnetic valve according to the concentration of the solution and the current working procedure in which the solution is located.

The embodiment realizes online adjustable preparation and recovery of the ethanol solvent through simple equipment.

Specifically, the first solvent tank 4 directly supplies ethanol solution to the alcohol precipitation tank 3, the second solvent tank 5 is used for blending the ethanol solution recovered from the cooling tower 2, and the third solvent tank 6 is used for storing ethanol with higher concentration; therefore, the concentration of the ethanol solution in the second solvent tank 5 is generally the lowest, the concentration of the ethanol solution in the third solvent tank 6 is the highest, and finally the ethanol is pumped into the first solvent tank 4 through the pump 15 by reasonable volume allocation of the second solvent tank 5 and the third solvent tank 6, and after the allocation is finished, the ethanol is pumped into the ethanol precipitation tank 3 through the pump 15 again for ethanol precipitation operation.

More specifically, it can be basically divided into three stages:

the first stage is as follows: the solvent recovery stage, cooling tower 2 → ethanol solution discharge pipe 10 → fourth connecting pipe → second solvent tank 5, and at the same time, the top of the second solvent tank 5 and distilled water pipe 8 are connected through fifth connecting pipe 20, and water is added to the second solvent tank 5 in an appropriate amount to dilute the concentration.

And a second stage: a blending stage, i.e., a second solvent tank 5 and a third solvent tank 6 → a machine pump 15 → an ethanol solution filling pipe 11 → a first connecting pipe 16 → a first solvent tank 4;

and a third stage: and in the alcohol precipitation stage, the first solvent tank 4 → the mechanical pump 15 → the ethanol solution filling pipe 11 → the alcohol precipitation tank 3.

Preferably, the bottom of the cooling tower 2 is further connected with a water discharge pipe 23 and a cleaning waste liquid discharge pipe 24, and the water discharge pipe 23 and the cleaning waste liquid discharge pipe 24 are respectively connected to a water storage tank and a sewage tank. The top of cooling tower 2 is equipped with washs spray piping 25, be equipped with shell and tube condenser 26 in the cooling tower 2, be equipped with inlet tube and outlet pipe of being connected with shell side of shell and tube condenser 26 on the cooling tower 2, vapour and liquid separator 9 includes the toper cavity, the middle part of toper cavity is passed through intake-tube connection to single effect evaporator 1's top, the top of toper cavity is connected to the upper portion of cooling tower 2, the bottom of toper cavity is connected to single effect evaporator 1's upper portion.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A solvent recovery and blending unit of a water extraction composite concentration system comprises a single-effect evaporator, a cooling tower and an alcohol precipitation tank, and is characterized by further comprising a first solvent tank, a second solvent tank, a third solvent tank, an ethanol pipeline and a distilled water pipeline, wherein a gas-liquid separator is arranged between the single-effect evaporator and the cooling tower; an ethanol solution discharge pipe is connected to the bottom of the cooling tower, an ethanol solution filling pipe is arranged on the ethanol precipitation tank, a first liquid discharge pipe, a second liquid discharge pipe and a third liquid discharge pipe are respectively arranged at the bottoms of the first solvent tank, the second solvent tank and the third solvent tank, the first liquid discharge pipe, the second liquid discharge pipe and the third liquid discharge pipe are all connected to an inlet of a pump, an outlet of the pump is connected to the ethanol solution filling pipe, and the top of the first solvent tank is communicated with the ethanol solution filling pipe through a first connecting pipe; the top of the first solvent tank is communicated with the ethanol pipeline through a second connecting pipe; the top of the first solvent tank is communicated with the distilled water pipeline through a third connecting pipe; the top of the second solvent tank is communicated with the ethanol solution discharge pipe through a fourth connecting pipe; the top of the second solvent tank is communicated with the distilled water pipeline through a fifth connecting pipe; the top of the third solvent tank is communicated with the ethanol pipeline through a sixth connecting pipe, and the top of the third solvent tank is communicated with the distilled water pipeline through a seventh connecting pipe;

2. The solvent recovery and blending unit of the water extraction composite concentration system of claim 1, wherein: the bottom of the cooling tower is also connected with a water discharge pipe and a cleaning waste liquid discharge pipe, and the top of the cooling tower is provided with a cleaning spray pipeline.

3. The solvent recovery and blending unit of the water extraction composite concentration system of claim 1, wherein: and a shell-and-tube condenser is arranged in the cooling tower, and a water inlet pipe and a water outlet pipe which are connected with the shell pass of the shell-and-tube condenser are arranged on the cooling tower.

4. The solvent recovery and blending unit of the water extraction composite concentration system of claim 1, wherein the gas-liquid separator comprises a conical cavity, the middle part of the conical cavity is connected to the top of the single-effect evaporator through an air inlet pipe, the top of the conical cavity is connected to the upper part of the cooling tower, and the bottom of the conical cavity is connected to the upper part of the single-effect evaporator.