CN105203699B - Apparatus for measuring acid value by using automatic refluxing of overheated ethanol - Google Patents
Apparatus for measuring acid value by using automatic refluxing of overheated ethanol Download PDFInfo
- Publication number
- CN105203699B CN105203699B CN201510714976.XA CN201510714976A CN105203699B CN 105203699 B CN105203699 B CN 105203699B CN 201510714976 A CN201510714976 A CN 201510714976A CN 105203699 B CN105203699 B CN 105203699B
- Authority
- CN
- China
- Prior art keywords
- peristaltic pump
- ethanol
- titration
- cell bottle
- titration cell
- 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.)
- Active
Links
Abstract
The invention discloses an apparatus for measuring the acid value by using automatic refluxing of overheated ethanol, and relates to an electronic chemical analysis apparatus. The apparatus is formed by a control unit, a titration cell bottle, an ethanol liquid peristaltic pump, an indicator peristaltic pump, an alkali solution peristaltic pump, an ethanol steam generator, a condenser tube and a color detection device, the titration cell bottle is provided with a sample introduction port, and the sidewall of the titration cell bottle is provided with the color detection device; one end of the ethanol liquid peristaltic pump is communicated with an ethanol container, the other end of the ethanol liquid peristaltic pump is communicated with the inlet of the ethanol steam generator, and the outlet of the ethanol steam generator is connected to the ethanol steam inlet of the titration cell bottle; one end of the indicator peristaltic pump is communicated with an indicator container, and the other end of the indicator peristaltic pump is connected with the indicator titration port of the titration cell bottle; one end of the alkali solution peristaltic pump is communicated with an alkali solution container, and the other end of the alkali solution peristaltic pump is connected to the alkali solution titration port of the titration cell bottle; and the condenser tube is vertically arranged above the titration cell bottle. Ethanol steam is used to heat a sample and condensate and reflux 50mL of an ethanol liquid, so the fire hazard occurrence possibility is reduced, and carbon dioxide influences are eliminated.
Description
Technical field
The present invention relates to electron chemistry analytical tool, more particularly, to one kind utilized the measurement acid of hot ethanol automatic back flow
The device of value.
Background technology
Traditional acid value measuring method is 50 milliliters of ethanol and sample to be carried out heated and boiled simultaneously flow back 5 minutes, then
Carry out titration and draw acid number, if misoperation ethanol is heated many or ethanol occurs bumping, easily during boiling
Overflow, fire occurs, and the carbon dioxide that in the air contains also can produce impact to experimental result.
Content of the invention
In order to overcome the problems referred to above, the present invention provides a kind of device utilizing hot ethanol automatic back flow to measure acid number.
The present invention a kind of utilized hot ethanol automatic back flow measure acid number device, be by control unit, titration cell bottle,
Ethanol liquid peristaltic pump, indicator peristaltic pump, alkali liquor peristaltic pump, alcohol vapour generator, condensing tube and color detection means structure
Become, titration cell bottle is provided with injection port, its side wall is provided with color detection means；Ethanol liquid peristaltic pump one end is communicated with ethanol
Container, the other end connect the entrance of alcohol vapour generator, and the outlet of alcohol vapour generator accesses the ethanol steaming of titration cell bottle
Vapour adds mouth；One end of indicator peristaltic pump connects marker container, the other end accesses the indicator titration mouth of titration cell bottle；Alkali
Liquid peristaltic pump one end is communicated with alkali liquor container, the other end accesses the alkali-titration mouth of titration cell bottle；Condensing tube is installed vertically on and drips
Determine the top of pond bottle；Control unit is sent out with ethanol liquid peristaltic pump, indicator peristaltic pump, alkali liquor peristaltic pump, alcohol vapour respectively
Raw device and the connection of color detection means circuit.
As a further improvement on the present invention, the inside of titration cell bottle is provided with magnet steel stirrer, the lower section peace of titration cell bottle
Couple with control unit circuit equipped with magnetic stirring apparatuss, this magnetic stirring apparatus.
As a further improvement on the present invention, the top of titration cell bottle is provided with temperature detection mouth, is provided with electronics inside it
Thermometer, this electronic thermometer is coupled with control unit circuit.
As a further improvement on the present invention, circuit connection has keyboard and display to control unit respectively.
A kind of device utilizing hot ethanol automatic back flow to measure acid number of the present invention, to sample heated and boiled backflow be
Alcohol vapour is not that ethanol heats it is ensured that reaching 50 milliliters of ethanol liquid in 5 minutes internal reflux together with sample, so meets
National standard, reduces the possibility of fire again；And also can eliminate carbon dioxide for measurement result after alcohol vapour condensation
Impact.
Brief description
Accompanying drawing 1 ~ accompanying drawing 2 is a kind of structure chart of device utilizing hot ethanol automatic back flow to measure acid number of the present invention；
Accompanying drawing 3 is a kind of module map of device utilizing hot ethanol automatic back flow to measure acid number of the present invention.
Specific embodiment
A kind of device utilizing hot ethanol automatic back flow to measure acid number to the present invention, makees further below in conjunction with the accompanying drawings
Illustrate:
A kind of device utilizing hot ethanol automatic back flow to measure acid number of the present invention, is by control unit 1, titration cell bottle
2nd, ethanol liquid peristaltic pump 3, indicator peristaltic pump 4, alkali liquor peristaltic pump 5, alcohol vapour generator 6, condensing tube 7 and color detection
Device 8 is constituted.
Titration cell bottle 2 is provided with injection port 13, and in order to add detection sample, its side wall is provided with color detection means 8, uses
With detection sample color change, and judge that reaction terminates；Its top is additionally provided with temperature detection mouth 15, in order to be provided with electron temperature
Meter 16；Ethanol liquid peristaltic pump 3 one end is communicated with ethanol container (in figure is not drawn into), other end connection alcohol vapour generator 6
Entrance, the alcohol vapour that the outlet of alcohol vapour generator 6 accesses titration cell bottle 2 adds mouth 10；The one of indicator peristaltic pump 4
The indicator titration mouth 12 of titration cell bottle 2 is accessed at end connection marker container (in figure is not drawn into), the other end；Alkali liquor peristaltic pump 5
One end is communicated with alkali liquor container (in figure is not drawn into), the other end accesses the alkali-titration mouth 14 of titration cell bottle 2；Condensing tube 7 is vertical
It is installed on the top of titration cell bottle 2, this preferably spherical condensing tube of condensing tube 7, in order to carry out condensing reflux to alcohol vapour；?
The inside of titration cell bottle 2 is provided with magnet steel stirrer, and the lower section of titration cell bottle 2 is provided with magnetic stirring apparatuss 11, and control unit 1 controls
Magnetic stirring apparatuss 11 produce magnetic field makes magnet steel stirrer rotate, the sample within stirring titration cell bottle 2, the instruction with titration of order
Agent and alkali liquor mix homogeneously.
Control unit 1 is occurred with ethanol liquid peristaltic pump 3, indicator peristaltic pump 4, alkali liquor peristaltic pump 5, alcohol vapour respectively
Device 6 and color detection means 8, magnetic stirring apparatuss 11 and electronic thermometer 16, in addition control unit 1 go back circuit be connected with keyboard and
Display, shows for being controlled data to device.
Experiment facilitates the discharge of liquid in titration cell bottle 2 after terminating for convenience, is additionally provided with air pump connection and drips in this device
Determine pond bottle 2, after experiment finishes, control air pump to open, discharge waste liquid.
A kind of device utilizing hot ethanol automatic back flow to measure acid number of the present invention, its specifically used method is as follows:
Open this device and wait alcohol vapour generator 6 to reach preset temperature, afterwards by sample to be detected from sample introduction
Mouth 13 addition.Point beating keyboard starts to test, and control unit 1 controls ethanol liquid peristaltic pump 3 to work so that ethanol liquid flow velocity reaches
To setting value, ethanol liquid is flowed in alcohol vapour generator 6 through ethanol liquid peristaltic pump 3, can flash distillation be second rapidly
Alcohol steam, alcohol vapour enters in titration cell bottle 2 and heats sample, and is additionally provided with condensing tube 7 on titration cell bottle 2, can
Alcohol vapour is made to be cooled to while liquid, also been removed the carbon dioxide in ethanol, in 50 milliliters of ethanol of 5 minutes internal reflux
Heating for dissolving is carried out to sample, then control unit 1 controls indicator peristaltic pump 4, quantitation instills 2 milliliters of indicator simultaneously,
Alkali liquor peristaltic pump 5 is quantitative to instill the alkali liquor setting volume, after color detection means 8 detect sample variable color, stops Titration of Alkali
Liquid, the alkali liquor of control unit 1 calculation consumption simultaneously obtains the acid number of sample and shows over the display.
Claims (4)
1. a kind of device utilizing hot ethanol automatic back flow to measure acid number, is by control unit (1), titration cell bottle (2), ethanol
Liquid peristaltic pump (3), indicator peristaltic pump (4), alkali liquor peristaltic pump (5), alcohol vapour generator (6), condensing tube (7) and color
Detection means (8) is constituted it is characterised in that titration cell bottle (2) is provided with injection port (13), its side wall is provided with color detection dress
Put (8)；Ethanol liquid peristaltic pump (3) one end is communicated with ethanol container, the other end connects the entrance of alcohol vapour generator (6),
The alcohol vapour that the outlet of alcohol vapour generator (6) accesses titration cell bottle (2) adds mouth (10)；Indicator peristaltic pump (4)
One end connects marker container, the other end accesses the indicator titration mouth (12) of titration cell bottle (2)；Alkali liquor peristaltic pump (5) one end
It is communicated with alkali liquor container, the other end accesses the alkali-titration mouth (14) of titration cell bottle (2)；Condensing tube (7) is installed vertically on titration
The top of pond bottle (2)；Control unit (1) respectively with ethanol liquid peristaltic pump (3), indicator peristaltic pump (4), alkali liquor peristaltic pump
(5), alcohol vapour generator (6) and the connection of color detection means (8) circuit.
2. a kind of device utilizing hot ethanol automatic back flow to measure acid number according to claim 1 is it is characterised in that drip
The inside determining pond bottle (2) is provided with magnet steel stirrer, and the lower section of titration cell bottle (2) is provided with magnetic stirring apparatuss (11), this magnetic force stirs
Mix device (11) to couple with control unit (1) circuit.
3. a kind of device utilizing hot ethanol automatic back flow to measure acid number according to claim 1 is it is characterised in that drip
The top determining pond bottle (2) is provided with temperature detection mouth (15), is provided with electronic thermometer (16), this electronic thermometer (16) inside it
Couple with control unit (1) circuit.
4. a kind of device utilizing hot ethanol automatic back flow to measure acid number according to claim 1 is it is characterised in that control
Circuit connection has keyboard and display to unit (1) processed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510714976.XA CN105203699B (en) | 2015-10-29 | 2015-10-29 | Apparatus for measuring acid value by using automatic refluxing of overheated ethanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510714976.XA CN105203699B (en) | 2015-10-29 | 2015-10-29 | Apparatus for measuring acid value by using automatic refluxing of overheated ethanol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105203699A CN105203699A (en) | 2015-12-30 |
| CN105203699B true CN105203699B (en) | 2017-02-01 |
Family
ID=54951489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510714976.XA Active CN105203699B (en) | 2015-10-29 | 2015-10-29 | Apparatus for measuring acid value by using automatic refluxing of overheated ethanol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105203699B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL120819A (en) * | 1997-05-11 | 2000-08-31 | Israel State | Reagent for pH-metric determination of low acid numbers in petroleum oils |
| DE10149350A1 (en) * | 2001-10-06 | 2003-04-17 | Oxeno Olefinchemie Gmbh | Process for the preparation of carboxylic acid esters |
| CN2911672Y (en) * | 2006-06-07 | 2007-06-13 | 保定市通建电器制造有限公司 | Automatic analyzer for acidic value of insulating oil |
| GB2446867A (en) * | 2007-02-21 | 2008-08-27 | Oil Plus Ltd | Method for determining Total Acid Number (TAN) |
| CN101968451B (en) * | 2010-10-13 | 2012-09-05 | 中国石油化工股份有限公司 | Method for measuring acid values of oil and products by using greening solvent based on potential jump |
| CN102661989A (en) * | 2012-05-17 | 2012-09-12 | 中国石油化工股份有限公司 | Method for testing pH value of oil by restoring initial pH |
| CN205049544U (en) * | 2015-10-29 | 2016-02-24 | 大庆市日上仪器制造有限公司 | Utilize automatic backward flow of overheated ethanol to measure device of acid number |
-
2015
- 2015-10-29 CN CN201510714976.XA patent/CN105203699B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105203699A (en) | 2015-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108043059B (en) | Rotary evaporator capable of accurately realizing quantification of concentrated solution | |
| CN108043058B (en) | Rotary evaporator capable of accurately realizing fraction quantification | |
| CN103464232B (en) | For detecting the constant temperature water bath apparatus of asphalt quality | |
| CN105353156B (en) | Fully-automatic analyzer | |
| CN219608910U (en) | Water quality monitoring device based on quantitative concentration | |
| CN107515272A (en) | A kind of ammonia nitrogen on-line computing model based on distillation titration | |
| CN104569113A (en) | Hot gas flow dissociation dewatering indirect Karl-Fischer-process analysis device | |
| CN205049544U (en) | Utilize automatic backward flow of overheated ethanol to measure device of acid number | |
| CN116067752A (en) | Water quality monitoring device and monitoring method based on quantitative concentration | |
| CN105203699B (en) | Apparatus for measuring acid value by using automatic refluxing of overheated ethanol | |
| CN209215275U (en) | It is a kind of based on distillation-conductance method ammonia nitrogen water quality online automatic monitor | |
| CN203616298U (en) | Direct sampling-type nitrogen fixing device | |
| CN209076707U (en) | A kind of round-bottomed flask of recyclable heating | |
| CN205506845U (en) | Full autoanalyzer | |
| CN207336460U (en) | A kind of ammonia nitrogen on-line computing model based on distillation titration method | |
| CN104267158A (en) | Steel slag pressurized hot and stuffy gas composition online monitoring device and method | |
| CN103308469A (en) | Device and method for automatically detecting acid value of petroleum product through reflux method | |
| CN104746320A (en) | Drying judgment method of dry washer and dry washer | |
| CN102095662B (en) | Method for detecting silicon and device thereof | |
| CN103868771B (en) | Multi-channel portable sulphuric dioxide extraction element | |
| CN207456908U (en) | Oil for electric power middle acid substance extraction element | |
| CN105223256A (en) | A kind of Karl Fischer coulometric determination crude oil, tar water-containing measuring instrument | |
| CN205049514U (en) | Ka erfeixiu coulometry crude oil, moisture measuring device of tar | |
| CN205049512U (en) | Ka erfeixiu coulometry crude oil, moisture measuring apparatu of tar | |
| CN207163944U (en) | Vapor liquid equilibrium determines device under a kind of normal pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |