CN206229381U

CN206229381U - A kind of extraction of chemical engineering experiment, separator

Info

Publication number: CN206229381U
Application number: CN201621294909.3U
Authority: CN
Inventors: 卜艳蕊; 熊娟娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-30
Filing date: 2016-11-30
Publication date: 2017-06-09
Anticipated expiration: 2026-11-30

Abstract

A kind of extraction of chemical engineering experiment, separator, this device include conical flask and separatory funnel two parts, and its upper opening of separatory funnel is docked with the upper opening back-off of conical flask, forming apparatus entirety；Separatory funnel draws from inside its bucket body and is connected to a grass tube；Grass tube one end is connected from bucket body inside with bucket body sidewall, and grass tube port does not block, it is ensured that grass tube inner passage connects with ambient atmosphere；The grass tube other end stretches out from the upper opening of separatory funnel, when wherein the outwardly directed vertical length of grass tube is docked with separatory funnel with conical flask back-off, grass tube inserts conical flask and does not touch conical flask bottom for standard, grass tube its be exposed to vertical length outside separatory funnel bucket body more than conical flask overall depth 3/5 and less than the overall depth of conical flask, grass tube its open-ended closure for being exposed to one end outside separatory funnel bucket body has core.

Description

A kind of extraction of chemical engineering experiment, separator

Technical field

The utility model is related to a kind of chemical engineering experiment utensil, and in particular to it is a kind of for chemical engineering experiment extract and separate Device.

Background technology

In existing extraction and lock out operation, the dissolution extraction of chemical reagent is generally entered using by the way of manually hand Row is well mixed, or carries out magnetic agitation by magnetic stirring apparatus, and this step is typically more easily achieved, and danger coefficient It is smaller, as long as having ensured that the liquid valve on separatory funnel top is stayed open, the gas produced in conical flask is excluded in time .Whole device extract is inverted but step is relatively complicated when being separated after the completion of extraction, after the completion of extraction to carry The liquid of extract and other different densities produces layering, after inversion due to produced in conical flask sealed gas chamber liquid from point Gas pressure intensity during the liquid outlet outflow of liquid funnel in conical flask air chamber constantly reduces, when pressure is sufficiently small in air chamber Liquid will not flow out from the liquid outlet of separatory funnel, now be accomplished by again upright whole device and carry out air chamber in conical flask disappearing Remove, tapping is carried out again after being then inverted whole device static layering again, this process needs repeatedly to circulate carries out step more It is cumbersome, easily caused during multiple circulate operation effumability toxic gas release, or be corrosive, it is toxic Liquid is flowed out, and operating personnel are caused with certain physical impairment.

The content of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, and provides a kind of rational in infrastructure, easy to operate, peace The extraction of overall coefficient chemical engineering experiment high, separator.

The technical solution of the utility model is：

A kind of extraction of chemical engineering experiment, separator, this device includes conical flask and separatory funnel two parts, described Its upper opening of separatory funnel is docked with the upper opening back-off of conical flask, forming apparatus entirety；Described separatory funnel from its Draw inside bucket body and be connected to a grass tube；Described grass tube one end is connected from bucket body inside with bucket body sidewall, and Grass tube port does not block, it is ensured that grass tube inner passage connects with ambient atmosphere；The described grass tube other end from The upper opening of separatory funnel stretches out, and stretches out and be exposed to outside separatory funnel bucket body；Wherein grass tube stretches out Vertical length when being docked with conical flask back-off with separatory funnel, grass tube insertion conical flask and do not touch conical flask bottom and be Standard.

Described grass tube its be exposed to vertical length outside separatory funnel bucket body more than conical flask overall depth 3/5 and less than the overall depth of conical flask, longitudinal depth of wherein conical flask bottleneck is not counted within conical flask overall depth.

Described grass tube its open-ended closure for being exposed to one end outside separatory funnel bucket body has core.

Described grass tube is in separatory funnel bucket body in smooth curved corners structure.

Beneficial effect produced by the technical program is：This programme has added a glass on the side wall of separatory funnel and has led Pipe, this grass tube ensure that will not produce sealed gas chamber when whole device is inverted in conical flask, but produce one to lead to The air chamber that grass tube is communicated with ambient atmosphere is crossed, therefore, the process that this air chamber flows out in liquid from the liquid outlet of separatory funnel In will not produce pressure change, it is identical with ambient atmosphere air pressure so as to remain, therefore, it is possible to ensure separate liquid not Interruption be released, it is no longer necessary to during traditional operation constantly be inverted, it is upright go eliminate conical flask in air chamber problem so that Make whole experimental implementation process more smooth, convenient, also effectively smaller for the simplicity of step toxicity or corrosive liquids The risk that outflow is damaged to personnel.

Furthermore, grass tube its be exposed to vertical length outside separatory funnel bucket body more than the 3/ of conical flask overall depth 5 and less than the overall depth of conical flask, it is the optimal values formulated according to the accumulation of long-term experiment experience, generally exist Liquid level after the completion of extraction and during inverted device in conical flask is not higher than the 3/5 of conical flask overall depth, therefore, it is possible to protect The open-ended of grass tube is not blocked card by liquid level, so as to ensure the connection of air chamber and ambient atmosphere in conical flask.

The open-ended closure of one end has core outside grass tube is exposed to separatory funnel bucket body in addition, due to core Itself have gas permeability, but due to core space is smaller therefore core in itself have poor water penetration, therefore core setting If can liquid level be higher than that grass tube is avoided in grass tube when open-ended in the upright extraction stages conical flask of whole device Into excessive liquid, and can avoid entering excessive liquid in grass tube during inversion, and for entering in grass tube The a small amount of liquid for entering can be blown out using ear washing bulb, operate more convenient, have in whole experiment process so as to be avoided Big quantity of fluid is gushed out from grass tube.

Other grass tube is in smooth curved corners structure in separatory funnel bucket body, using smooth curved corners knot The corner structure that structure compares other forms can effectively prevent grass tube body from hanging liquid, therefore can be more thorough when liquid is divided, And it is easy to cleaning of the later stage to device.

Brief description of the drawings

Fig. 1 divides a liquid status structural representation for overall inversion of the present utility model.

Fig. 2 is the upright admixture structural representation of entirety of the present utility model.

Fig. 3 is conical flask structural representation of the present utility model.

Fig. 4 is upright separatory funnel structural representation of the present utility model.

Fig. 5 is inversion separatory funnel structural representation of the present utility model.

Fig. 6 is that conical flask of the present utility model docks fastening with separatory funnel and the upright overall structure of single unit system is illustrated Figure.

Fig. 7 is that conical flask of the present utility model docks the overall structure signal that fastening and single unit system stand upside down with separatory funnel Figure.

In figure：1st, conical flask 2, separatory funnel 3, bucket body 4, grass tube 5, conical flask bottleneck 6, core 7th, liquid valve.

Specific embodiment

The technical solution of the utility model is described further with reference to specific embodiment.

Embodiment 1

As shown in Fig. 1-7, a kind of extraction of chemical engineering experiment, separator, this device include conical flask 1 and point liquid leakage Struggled against 2 two parts, and described its upper opening of separatory funnel 2 is docked with the upper opening back-off of conical flask 1, forming apparatus entirety； Described separatory funnel 2 draws from inside its bucket body 3 and is connected to a grass tube 4；Described one end of grass tube 4 is from bucket body 3 Portion is connected with bucket body sidewall, and the port of grass tube 4 does not block, it is ensured that the inner passage of grass tube 4 connects with ambient atmosphere It is logical；The described other end of grass tube 4 stretches out from the upper opening of separatory funnel 2, and stretches out and be exposed to separatory funnel bucket Outside body 3；When the vertical length that wherein grass tube 4 stretches out is docked with separatory funnel 2 with the back-off of conical flask 1, glass is led Pipe 4 inserts conical flask 1 and does not touch the bottom of conical flask 1 for standard.

Described grass tube 4 its be exposed to vertical length outside separatory funnel bucket body 3 and be more than the overall depth of conical flask 1 3/5 and less than the overall depth of conical flask 1, longitudinal depth of wherein conical flask bottleneck 5 be not counted in conical flask overall depth it It is interior.

Described grass tube 4 its open-ended closure for being exposed to one end outside separatory funnel bucket body 3 has core 6.

Described grass tube 4 is in separatory funnel bucket body 3 in smooth curved corners structure.

The present apparatus is when in use：The chemical reagent for needing to be extracted and be separate is put into conical flask first, and is added Extractant；Then separatory funnel is tipped upside down on conical flask, separatory funnel is docked and is fixed with the upper opening of conical flask, this When grass tube its separatory funnel bucket body for being connected with separatory funnel beyond be inserted partially into conical flask, formed shown in Fig. 2 Form；Then whole device is placed on magnetic stirring apparatus and mixing is stirred to the chemical reagent in conical flask, in stirring The liquid valve that separatory funnel is kept during mixing is open mode, to ensure that the gas discharged in conical flask can be arranged in time Remove, prevent excessive generation of air pressure in conical flask from exploding.

Whole device is stood after completion of stirring, until gas is no longer substantially generated in conical flask, then will point liquid leakage The liquid valve of bucket is closed, and whole device is inverted the form to be formed shown in Fig. 1, because liquid concussion can during inverted Can cause the reflection again of chemical reagent so as to the gas for producing gas, generation can enter the air chamber formed in conical flask, by Formd with ambient atmosphere by grass tube in the air chamber in conical flask and connected, therefore the gas for producing can also be arranged in time Remove, do not result in the problem that air chamber pressure becomes big, so that will not triggering, pressure in conical flask is excessive to produce the accident exploded.Continue A period of time is stood up to liquid is layered completely or it is basicly stable to be layered, the liquid valve of separatory funnel is now opened, density is larger Reagent released first, realize separate, in whole separation process due in conical flask air chamber with pass through grass tube with it is outer Boundary's air realizes connection, thus it is inside and outside will not produce pressure difference, can make liquid it is continual realize separate, greatly improve Separative efficiency, and succinct operating procedure effectively reduces the danger coefficient of whole operation process.

The core of grass tube one end is wherein arranged at when in use can play certain prevention liquid led into glass The effect of pipe, therefore effectively prevent has big quantity of fluid to gush out from grass tube when device is inverted.And in separatory funnel bucket body Grass tube the phenomenon that liquid is hung during point liquid is effectively prevent in smooth curved corners structure.

Claims

1. a kind of extraction of chemical engineering experiment, separator, this device include conical flask and separatory funnel two parts, described point Its upper opening of liquid funnel is docked with the upper opening back-off of conical flask, forming apparatus entirety；It is characterized in that：Described point liquid Funnel draws from inside its bucket body and is connected to a grass tube；Described grass tube one end is connected from bucket body inside with bucket body sidewall Fix, and grass tube port does not block, it is ensured that grass tube inner passage connects with ambient atmosphere；Described grass tube is another One end is stretched out from the upper opening of separatory funnel, and stretches out and be exposed to outside separatory funnel bucket body；Wherein grass tube to When the vertical length of outer extension is docked with separatory funnel with conical flask back-off, grass tube inserts conical flask and does not touch conical flask Bottom is standard.

2. a kind of chemical engineering experiment according to claim 1 extraction, separator, it is characterised in that：Described glass is led Manage its vertical length being exposed to outside separatory funnel bucket body and be more than the 3/5 of conical flask overall depth and less than the entirety of conical flask Longitudinal depth of depth, wherein conical flask bottleneck is not counted within conical flask overall depth.

3. a kind of chemical engineering experiment according to claim 2 extraction, separator, it is characterised in that：Described glass is led Managing its open-ended closure for being exposed to one end outside separatory funnel bucket body has core.

4. a kind of extraction of chemical engineering experiment according to claim 1 or 2 or 3, separator, it is characterised in that：Described Grass tube is in separatory funnel bucket body in smooth curved corners structure.