CN206788123U - A kind of conductance measurement instrument apparatus of on-line checking - Google Patents
A kind of conductance measurement instrument apparatus of on-line checking Download PDFInfo
- Publication number
- CN206788123U CN206788123U CN201720647422.7U CN201720647422U CN206788123U CN 206788123 U CN206788123 U CN 206788123U CN 201720647422 U CN201720647422 U CN 201720647422U CN 206788123 U CN206788123 U CN 206788123U
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- China
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- silica gel
- detection cell
- hole
- ptfe
- polytetrafluoroethylene
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Abstract
The utility model discloses a kind of conductance measurement instrument apparatus of on-line checking, including conductivity meter body, also include sample bottle, peristaltic pump, chromatographic column, electrical conductivity on-line checking pond and receiving flask, electrical conductivity on-line checking pond is connected by conductance electrode line with conductivity meter body, the electrical conductivity on-line checking pond includes conductance electrode head, silicone tube and the detection cell being made with silica gel plate, silicone tube is cased with conductance electrode head, the silicone tube other end is mutually tightly connected with detection cell, conductance electrode head is located in the detection cell, detection cell lower end silica gel plate face is provided with hole one and hole two, chromatographic column is connected with receiving flask by polytetrafluoroethylene (PTFE) pipeline corresponding to the hole one and hole two, the polytetrafluoroethylene (PTFE) pipeline for wherein connecting chromatographic column passes through detection cell lower end silica gel plate face one.It has simple in construction the utility model, is both convenient for people to use, and and can enough facilitates real-time online to detect, so as to according to testing result can more accurate judgement chromatographic column separating effect.
Description
Technical field
It the utility model is related to conductivity meter technical field, more particularly to a kind of conductivity measuring instrument dress of on-line checking
Put.
Background technology
The measuring principle of known conductivity instrument is based on electrical conductivity and conductance, the relational expression of cell constant of conductometric vessel, in conductance cell
Electrode, which is asked, applies stable ac signal, and measuring electrode asks solution conductivity, electrical conductivity is obtained according to the cell constant of conductometric vessel of input.
Such as when column chromatography washing separation is done in existing laboratory, in the market does not have the electricity of the on-line real-time measuremen separating liquid of specialty
Conductance instrument is detected, the existing general DDS-307A type electric conductivity instrument for using Shanghai Precision Scientific Apparatus Co., Ltd
For determining electrical conductivity, but the real-time electrical conductivity during on-line checking column chromatography for separation is cannot be used for, so that experimenter
Cannot Real Time Observation column chromatography each component separation situation, it has not been convenient to the use of people.It is therefore desirable to existing conductance
Rate instrument makes improvements, there is provided and it is a kind of simple in construction, both it was convenient for people to use, and can enough facilitates real-time online to detect, so as to draw
Testing result.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of conductance measurement instrument apparatus of on-line checking, its
With simple in construction, both it was convenient for people to use, and can enough facilitates real-time online to detect, so as to draw testing result.
In order to realize above-mentioned purpose, technical solution adopted in the utility model is：
A kind of conductance measurement instrument apparatus of on-line checking, including conductivity meter body, in addition to sample bottle, peristaltic pump,
Chromatographic column, electrical conductivity on-line checking pond and receiving flask, sample bottle, peristaltic pump, chromatographic column, electrical conductivity on-line checking pond and receiving flask
Pass sequentially through polytetrafluoroethylene (PTFE) pipeline to be connected, electrical conductivity on-line checking pond is connected by conductance electrode line with conductivity meter body
Logical, the electrical conductivity on-line checking pond includes conductance electrode head, silicone tube and the detection cell being made with silica gel plate, conductance electricity
Silicone tube is cased with cartridge, the silicone tube other end is mutually tightly connected with the detection cell being made with silica gel plate, conductance electrode head
In the detection cell being made with silica gel plate, detection cell lower end silica gel plate face is provided with hole one and hole two, the hole one
It is corresponding with hole two that chromatographic column is connected with receiving flask by polytetrafluoroethylene (PTFE) pipeline, wherein the polytetrafluoroethyl-ne of connection chromatographic column
Alkene pipeline passes through detection cell lower end silica gel plate face one, and the polytetrafluoroethylene (PTFE) pipeline through hole one exposes detection cell silica gel plate
Face 1mm positions, and the polytetrafluoroethylene (PTFE) pipeline for connecting receiving flask again passes through detection cell lower end silica gel plate face two, it is described to pass through
The polyfluortetraethylene pipe track pitch in hole two from detection cell silica gel plate face 1mm positions, the polytetrafluoroethylene (PTFE) pipeline through hole one and
The height of the polytetrafluoroethylene (PTFE) pipeline through hole two is inconsistent, advantageously ensures that two polytetrafluoroethylene (PTFE) pipelines will not be blocked
Plug, it is achieved thereby that the connection of pipeline and smooth.
Using the conductivity meter of DDS-307A models, its conductivity meter body can also use the conductivity meter body
Be any producer, the conductivity meter of any model.
The chromatographic column upper end is connected by polytetrafluoroethylene (PTFE) pipeline with peristaltic pump, and chromatographic column lower end passes through polytetrafluoroethyl-ne
Alkene pipeline is connected with conductance electrode head, and for the polytetrafluoroethylene (PTFE) pipeline that is connected in chromatographic column, it connects tube material according to chromatography
Depending on the eluant, eluent of post, if eluant, eluent has the reagent of severe corrosive containing chloroform, acetone etc. to plastic tube, poly- four must be used
PVF pipeline, if eluant, eluent can reduce the material requirement to connecting tube to plastic tube non-corrosiveness.
The utility model is provided with test section in conductance electrode head bottom, the test section be insertion silica gel plate make and
Into detection cell detection part, silicone tube is cased with test section, silicone tube highly is more than test section highly, and silicone tube can also
By conductance electrode headgear in wherein, communicating pipe is also that polytetrafluoroethylene (PTFE) is made, and sample bottle, peristaltic pump, chromatographic column, conductance
Rate on-line checking pond passes sequentially through polytetrafluoroethylene (PTFE) pipeline with receiving flask and is connected, so as to realize that whole equipment connects, inspection
Survey pond lower end silica gel plate face and be provided with hole one and hole two, by polytetrafluoroethylene (PTFE) pipeline by chromatographic column corresponding to the hole one and hole two
It is connected with receiving flask, wherein the polytetrafluoroethylene (PTFE) pipeline of connection chromatographic column passes through detection cell lower end silica gel plate face one, it is described
Polytetrafluoroethylene (PTFE) pipeline through hole one exposes detection cell silica gel plate face 1mm positions, and connects the polyfluortetraethylene pipe of receiving flask
Road again passes through detection cell lower end silica gel plate face two, and the polyfluortetraethylene pipe track pitch through hole two is from detection cell silica gel plate
Face 1mm positions, separating liquid is set to enter from the polytetrafluoroethylene (PTFE) pipeline of detection cell lower end face one, then conductance electrode head upper end leads to
Cross to flow out to communicating pipe in conductivity meter body and detected in real time, separating liquid is carried out by the test section of conductance electrode head real
When detect separating liquid conductivity variations.
The utility model conductance electrode head bottom is provided with test section, silicone tube is cased with test section, silicone tube is highly big
In being cased with silicone tube in test section height, test section, silicone tube is highly more than test section height, and silicone tube bottom, which is located at, uses silica gel
In the detection cell that plate is made, experiment can remove the device on electrode after terminating, and conductivity meter can carry out conventional make again
With.
The beneficial effects of the utility model：Compared with prior art, the utility model sample bottle, peristaltic pump, chromatographic column, electricity
Conductance on-line checking pond passes sequentially through polytetrafluoroethylene (PTFE) pipeline with receiving flask and is connected, conductance electrode head upper end by communicating pipe with
Conductivity meter body is connected, and its is simple in construction, is easy to people to install connection, is also convenient for the use of people；On conductance electrode head
Silicone tube is cased with, the silicone tube other end is mutually tightly connected with the detection cell being made with silica gel plate, and conductance electrode head is located at institute
State in the detection cell being made with silica gel plate, detection cell lower end silica gel plate face is provided with hole one and hole two, the hole one and hole two
It is corresponding that chromatographic column is connected with receiving flask by polytetrafluoroethylene (PTFE) pipeline, wherein the polytetrafluoroethylene (PTFE) pipeline of connection chromatographic column
Through detection cell lower end silica gel plate face one, the polytetrafluoroethylene (PTFE) pipeline through hole one exposes detection cell silica gel plate face 1mm
Position, and the polytetrafluoroethylene (PTFE) pipeline for connecting receiving flask again passes through detection cell lower end silica gel plate face two, it is described to pass through hole two
Polyfluortetraethylene pipe track pitch from detection cell silica gel plate face 1mm positions, make separating liquid from the polytetrafluoro of detection cell lower end face one
Ethylene conduit enters, and then conductance electrode head upper end is detected in real time by flowing out to communicating pipe in conductivity meter body, is made
Separating liquid carries out the conductivity variations of detection separating liquid in real time by the test section of conductance electrode head.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the utility model conductance electrode head and detection cell schematic diagram.
Embodiment
As depicted in figs. 1 and 2, the conductance measurement instrument apparatus of a kind of on-line checking, including conductivity meter body 1, it is described
For conductivity meter body 1 using the conductivity meter of DDS-307A models, it is any factory that its conductivity meter body 1 is also adoptable
Family, the conductivity meter of any model, in addition to sample bottle 2, peristaltic pump 3, chromatographic column 4, electrical conductivity on-line checking pond 5 and receiving flask
6, sample bottle 2, peristaltic pump 3, chromatographic column 4, electrical conductivity on-line checking pond 5 and receiving flask 6 pass sequentially through the phase of polytetrafluoroethylene (PTFE) pipeline 7
Connection, electrical conductivity on-line checking pond 5 are connected by conductance electrode line 8 with conductivity meter body 1, the electrical conductivity on-line checking
Pond 5 includes conductance electrode first 51, silicone tube and the detection cell 52 being made with silica gel plate, and silica gel is cased with conductance electrode first 51
Pipe, the silicone tube other end are tightly connected with the phase of detection cell 52 being made with silica gel plate, and conductance electrode first 51 is located at the use
In the detection cell 52 that silica gel plate is made, the lower end silica gel plate face of detection cell 52 is provided with hole one and hole two, the hole one and hole two
It is corresponding that chromatographic column 4 is connected with receiving flask 6 by polytetrafluoroethylene (PTFE) pipeline 7, wherein the polytetrafluoroethylene (PTFE) of connection chromatographic column 4
Pipeline 7 passes through the lower end silica gel plate face one of detection cell 52, and the polytetrafluoroethylene (PTFE) pipeline 7 through hole one exposes detection cell silica gel
Plate face 1mm positions, and the polytetrafluoroethylene (PTFE) pipeline 7 for connecting receiving flask 6 again passes through the lower end silica gel plate face two of detection cell 52, institute
The polytetrafluoroethylene (PTFE) pipeline 7 through hole two is stated apart from detection cell silica gel plate face 1mm positions, the polytetrafluoroethylene (PTFE) through hole one
The height of pipeline 7 and the polytetrafluoroethylene (PTFE) pipeline 7 through hole two is inconsistent, advantageously ensures that two polytetrafluoroethylene (PTFE) pipelines
7 are not plugged up, it is achieved thereby that the connection of pipeline and smooth, the upper end of chromatographic column 4 by polytetrafluoroethylene (PTFE) pipeline with it is compacted
Dynamic pump 3 is connected, and the lower end of chromatographic column 4 is connected by polytetrafluoroethylene (PTFE) pipeline with conductance electrode first 51, for connecting in chromatographic column 4
It connects tube material depending on the eluant, eluent of chromatographic column to the polytetrafluoroethylene (PTFE) pipeline connect, if eluant, eluent is containing chloroform, third
Ketone etc. has the reagent of severe corrosive to plastic tube, must use polytetrafluoroethylene (PTFE) pipeline, if eluant, eluent to plastic tube non-corrosiveness,
The material requirement to connecting tube can be reduced.
The utility model is provided with test section in first 51 bottom of conductance electrode, and the test section is that insertion makes of silica gel plate
The part that the detection cell 52 that forms detects, silicone tube is cased with test section, silicone tube highly is more than test section highly, silicone tube
Conductance electrode first 51 can be placed on wherein, communicating pipe is also that polytetrafluoroethylene (PTFE) is made, and sample bottle 2, peristaltic pump 3, layer
Analysis post 4, electrical conductivity on-line checking pond 5 pass sequentially through polytetrafluoroethylene (PTFE) pipeline 7 with receiving flask 6 and are connected, whole so as to realize
Individual equipment connection, the lower end silica gel plate face of detection cell 52 are provided with hole one and hole two, pass through polytetrafluoro corresponding to the hole one and hole two
Chromatographic column 4 is connected by ethylene conduit with receiving flask 6, wherein the polytetrafluoroethylene (PTFE) pipeline of connection chromatographic column 4 passes through detection cell 52
Lower end silica gel plate face one, the polytetrafluoroethylene (PTFE) pipeline through hole one exposes the silica gel plate face 1mm positions of detection cell 52, and connects
The polytetrafluoroethylene (PTFE) pipeline for connecing receiving flask 6 again passes through the lower end silica gel plate face two of detection cell 52, described through poly- the four of hole two
Fluoride tubes track pitch makes separating liquid from the polytetrafluoroethyl-ne of the lower end face one of detection cell 52 from the silica gel plate face 1mm positions of detection cell 52
Alkene pipeline enters, and then first 51 upper end of conductance electrode is detected in real time by flowing out to communicating pipe in conductivity meter body 1, is made
Separating liquid carries out the conductivity variations of detection separating liquid in real time by the test section of conductance electrode first 51.
First 51 bottom of the utility model conductance electrode is provided with test section, and silicone tube, silicone tube height are cased with test section
More than test section height, silicone tube is cased with test section, silicone tube is highly more than test section height, and silicone tube bottom, which is located at, uses silicon
In the detection cell 52 that offset plate is made, experiment can remove the device on electrode after terminating, and conductivity meter can be carried out often again
Rule use.
The beneficial effects of the utility model：Compared with prior art, the utility model sample bottle, peristaltic pump, chromatographic column, electricity
Conductance on-line checking pond passes sequentially through polytetrafluoroethylene (PTFE) pipeline with receiving flask and is connected, conductance electrode head upper end by communicating pipe with
Conductivity meter body is connected, and its is simple in construction, is easy to people to install connection, is also convenient for the use of people；On conductance electrode head
Silicone tube is cased with, the silicone tube other end is mutually tightly connected with the detection cell being made with silica gel plate, and conductance electrode head is located at institute
State in the detection cell being made with silica gel plate, detection cell lower end silica gel plate face is provided with hole one and hole two, the hole one and hole two
It is corresponding that chromatographic column is connected with receiving flask by polytetrafluoroethylene (PTFE) pipeline, wherein the polytetrafluoroethylene (PTFE) pipeline of connection chromatographic column
Through detection cell lower end silica gel plate face one, the polytetrafluoroethylene (PTFE) pipeline through hole one exposes detection cell silica gel plate face 1mm
Position, and the polytetrafluoroethylene (PTFE) pipeline for connecting receiving flask again passes through detection cell lower end silica gel plate face two, it is described to pass through hole two
Polyfluortetraethylene pipe track pitch from detection cell silica gel plate face 1mm positions, make separating liquid from the polytetrafluoro of detection cell lower end face one
Ethylene conduit enters, and then conductance electrode head upper end is detected in real time by flowing out to communicating pipe in conductivity meter body, is made
Separating liquid carries out the conductivity variations of detection separating liquid in real time by the test section of conductance electrode head.
Claims (3)
1. a kind of conductance measurement instrument apparatus of on-line checking, including conductivity meter body, it is characterised in that also including sample
Bottle, peristaltic pump, chromatographic column, electrical conductivity on-line checking pond and receiving flask, sample bottle, peristaltic pump, chromatographic column, electrical conductivity on-line checking
Pond passes sequentially through polytetrafluoroethylene (PTFE) pipeline with receiving flask and is connected, and electrical conductivity on-line checking pond passes through conductance electrode line and electrical conductivity
Instrument body is connected, and the electrical conductivity on-line checking pond includes conductance electrode head, silicone tube and the inspection being made with silica gel plate
Pond to be surveyed, silicone tube is cased with conductance electrode head, the silicone tube other end is mutually tightly connected with the detection cell being made with silica gel plate,
Conductance electrode head is located in the detection cell being made with silica gel plate, and detection cell lower end silica gel plate face is provided with hole one and hole
Two, the hole one and hole two are corresponding to be connected chromatographic column with receiving flask by polytetrafluoroethylene (PTFE) pipeline, wherein connection chromatography
The polytetrafluoroethylene (PTFE) pipeline of post passes through detection cell lower end silica gel plate face one, and the polytetrafluoroethylene (PTFE) pipeline through hole one exposes
Detection cell silica gel plate face 1mm positions, and the polytetrafluoroethylene (PTFE) pipeline for connecting receiving flask again passes through detection cell lower end silica gel plate face
Hole two, the polyfluortetraethylene pipe track pitch through hole two is from detection cell silica gel plate face 1mm positions.
A kind of 2. conductance measurement instrument apparatus of on-line checking as claimed in claim 1, it is characterised in that the conductivity meter sheet
Body using DDS-307A models conductivity meter.
A kind of 3. conductance measurement instrument apparatus of on-line checking as claimed in claim 1, it is characterised in that the chromatographic column upper end
It is connected by polytetrafluoroethylene (PTFE) pipeline with peristaltic pump, chromatographic column lower end is connected by polytetrafluoroethylene (PTFE) pipeline with conductance electrode head
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647422.7U CN206788123U (en) | 2017-06-06 | 2017-06-06 | A kind of conductance measurement instrument apparatus of on-line checking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647422.7U CN206788123U (en) | 2017-06-06 | 2017-06-06 | A kind of conductance measurement instrument apparatus of on-line checking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206788123U true CN206788123U (en) | 2017-12-22 |
Family
ID=60716337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720647422.7U Expired - Fee Related CN206788123U (en) | 2017-06-06 | 2017-06-06 | A kind of conductance measurement instrument apparatus of on-line checking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206788123U (en) |
-
2017
- 2017-06-06 CN CN201720647422.7U patent/CN206788123U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20180606 |