CN207689363U - Near-infrared spectrum analysis simulator - Google Patents
Near-infrared spectrum analysis simulator Download PDFInfo
- Publication number
- CN207689363U CN207689363U CN201721800638.9U CN201721800638U CN207689363U CN 207689363 U CN207689363 U CN 207689363U CN 201721800638 U CN201721800638 U CN 201721800638U CN 207689363 U CN207689363 U CN 207689363U
- Authority
- CN
- China
- Prior art keywords
- filter
- infrared spectrum
- grade
- thermostat
- dehydrator
- 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
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides a kind of near-infrared spectrum analysis simulator, including：Sequentially connected sample container, compression pump, grade one filter, secondary filter, dehydrator filter, thermostat, detection cell and near infrared spectrometer；Grade one filter and secondary filter are used to remove the particle and bubble in testing liquid；Dehydrator filter is for being dehydrated testing liquid；Thermostat is used to the temperature of testing liquid being adjusted to preset temperature；Testing liquid in sample container enters detection cell after grade one filter, secondary filter, dehydrator filter and thermostat successively under the pressure effect that compression pump provides；Near infrared spectrum of the near infrared spectrometer for testing liquid in acquisition testing pond.Near-infrared spectrum analysis simulator provided by the utility model improves accuracy of the near infrared spectrum in analysis detection and commercial Application.
Description
Technical field
The utility model is related to technical field of petrochemical industry more particularly to a kind of near-infrared spectrum analysis simulators.
Background technology
NIR technology is because analyze speed is fast, do not need sample pre-treatments, an instrument can analyze a variety of groups simultaneously
The advantages such as the multiple indexs divided, sexual valence is relatively high, and easy realization original position monitors in real time, are widely used to petrochemical industry, medicine, feeding
The process control and product analysis of the industries such as material, food.It is based on laboratory basic data and near infrared spectrum data,
Near-infrared model is established by chemo metric software, the model for then measuring the spectrum combination foundation of unknown sample comes quickly in advance
Survey its composition or property.Near infrared spectrum data it is accurate whether affect the accurate of near-infrared analysis model and analysis result
Property, and the factor for influencing near infrared spectrum is more, for example there is gentle steep oneself-meeting of solid impurity to influence near infrared spectrum in sample to be tested
Absorbance, water in near-infrared spectra area also have stronger absorption band, have interference, sample temperature to other group spectral absorption
Variation too conference causes near infrared spectrum that drift occurs, therefore in the near-infrared analysis of commercial Application, in order to meet near-infrared
The accuracy of long-term operation and measurement result, it is necessary to design slagging-off, water removal, the pretreatment of bubble removing and constant temperature.
In the prior art, near infrared technology is before process units comes into operation, it is necessary to preliminary near-infrared is established in laboratory
Model.Specific practice is sampled from process units, sample be put into detection cell that laboratory uses (detection cell and detection cell
Aplanatism) in be acquired spectrum, establish the spectra database needed for near-infrared model.
But using in the prior art, the near infrared spectrum acquired when establishing database using the near-infrared model of foundation
Data are compared with the data of practical application in industry, the sample not pretreatments such as slagging-off, water removal, bubble removing and constant temperature, and sample
It all is acquired spectrum under static state, the near infrared spectrum data library error for resulting in foundation is larger, and then causes to pass through
Standard of the near infrared spectrum that the Fourier Transform Near Infrared Spectrometer that laboratory is established collects in analysis detection and commercial Application
True property is poor.
Utility model content
The utility model provides a kind of near-infrared spectrum analysis simulator, improve near infrared spectrum analysis detection with
And accuracy when commercial Application.
The utility model provides a kind of near-infrared spectrum analysis simulator, including：
Sequentially connected sample container, compression pump, grade one filter, secondary filter, dehydrator filter, thermostat, inspection
Survey pond and near infrared spectrometer；
The grade one filter and the secondary filter are used to remove the particle and bubble in testing liquid；
The dehydrator filter is for being dehydrated testing liquid；
The thermostat is used to the temperature of testing liquid being adjusted to preset temperature；
Testing liquid in the sample container passes through the level-one successively under the pressure effect that the compression pump provides
Enter the detection cell after filter, the secondary filter, the dehydrator filter and the thermostat；
The near infrared spectrometer is used to acquire the near infrared spectrum of testing liquid in the detection cell.
In one embodiment of the utility model, the compression pump is circulating pump；
The circulating pump be used to make testing liquid in the sample container exported from the outlet of the sample container and according to
It is secondary after the grade one filter, the secondary filter, the dehydrator filter, the thermostat and the detection cell,
By in the entrance re-injection to the sample container of the sample container.
In one embodiment of the utility model, the grade one filter, the secondary filter, the dehydrator filter,
The outlet of the thermostat and the detection cell is respectively provided with flowmeter, and is connect with the entrance of the sample container.
In one embodiment of the utility model, the grade one filter, the secondary filter, the dehydrator filter,
The outlet of the thermostat and the detection cell is respectively provided with check valve.
In one embodiment of the utility model, the grade one filter is by cylindrical stainless steel straight barrel type filter cylinder and filtering
Core forms, and the filtration core is fixed on by thread spacer in the filter cylinder, the filter cylinder upper and lower side be respectively outlet and into
Sample mouth terminal fitting is simultaneously threadedly coupled with filter cylinder, and terminal fitting is close to thread spacer.
In one embodiment of the utility model, the secondary filter is by capping, cylinder filtration core skeleton with holes, filtering
Core and conical filter cylinder form, and capping is semisolid semi-hollow cylinder, the hollow cylinder medial surface of capping and bottom centre
There is internal thread to be threadedly coupled respectively with filter cylinder and filtering core crab, has injection port and outlet, wherein sample introduction on the outside of solid section
Mouth is communicated with filter cylinder, and outlet is communicated with filtering core crab, and filtration core is sleeved on filtering core crab.
In one embodiment of the utility model, the grade one filter, the secondary filter, the dehydrator filter,
The thermostat, the detection cell and the near infrared spectrometer are arranged on holder；
The holder is welded by I-shaped pedestal, two longitudinal keels and three lateral keels.Two longitudinal keels
It is respectively perpendicular position among the keel for being welded on I-shaped pedestal both sides；Lateral keel is welded between two longitudinal keels, shape
At the center rest that can bear constant weight；
Lateral keel is for fixing the grade one filter, the secondary filter, the dehydrator filter, the constant temperature
Two balladeur trains are welded for installing near infrared spectrometer in device and the detection cell, holder front.
In one embodiment of the utility model, the sample container, the grade one filter, the secondary filter, institute
It states and is connected by Φ 10mm pressure hoses between dehydrator filter, the thermostat and the detection cell.
In one embodiment of the utility model, filtering accuracy≤100 μm of the grade one filter；
Filtering accuracy≤10 μm of the secondary filter.
In one embodiment of the utility model, the preset temperature is 35 ± 2 DEG C.
The utility model provides a kind of near-infrared spectrum analysis simulator, including：Sequentially connected sample container, pressure
Pump, grade one filter, secondary filter, dehydrator filter, thermostat, detection cell and near infrared spectrometer；Grade one filter and two level
Filter is used to remove the particle and bubble in testing liquid；Dehydrator filter is for being dehydrated testing liquid；Thermostat
For the temperature of testing liquid to be adjusted to preset temperature；The pressure effect that testing liquid in sample container is provided in compression pump
Under, enter detection cell after grade one filter, secondary filter, dehydrator filter and thermostat successively；Near infrared spectrometer is used for
The near infrared spectrum of testing liquid in acquisition testing pond.Near-infrared spectrum analysis simulator provided by the utility model improves
Accuracy of the near infrared spectrum in analysis detection and commercial Application.
Near-infrared spectrum analysis simulator provided by the utility model, in order to overcome current laboratory to establish near-infrared mould
It is the factor of near infrared spectrum of can not eliminating the effects of the act that type, which is primarily present problem, such as impurity, water, bubble and the temperature change in sample
And sample static state acquires spectrum.The sample spectra acquired the sample spectra pretreated with commercial Application differs greatly,
Cause laboratory modeling accuracy poor, the model in the laboratory measurement error in commercial Application is larger, it is necessary to spend a large amount of
Time resurveys sample, establishes the basic database, spectra database and near-infrared model of index to be measured, for correcting experiment
Room model, great work intensity.
Near-infrared spectrum analysis simulator provided by the utility model, eliminates the near-infrared of laboratory and commercial Application
The difference of spectrum, improve laboratory establish near-infrared model accuracy and a kind of near-infrared spectrum analysis simulation of utility model
Device, the arrangement achieves pre-processed (slagging-off, water removal, bubble removing and constant temperature), acquisition spectrum to sample in the lab
It is detected with analysis, eliminates the difference of the near infrared spectrum of laboratory and commercial Application, improve the near-infrared mould that laboratory is established
The precision of type and the accuracy of measurement result, while reducing the work that laboratory model is applied to model correction when commercial plant
Intensity.
Near-infrared spectrum analysis simulator provided by the utility model has following technology compared with prior art
Effect：
1, the utility model lies in that a kind of near-infrared spectrum analysis simulator, the pretreatment system for simulating commercial Application exist
Laboratory is integrated and is miniaturized；
It removed the gred to sample in laboratory, removed water and constant temperature pretreatment 2. the utility model realizes；
3, the utility model realizes carries out dynamic acquisition sample spectra in laboratory；
4, the utility model eliminates the difference of the near infrared spectrum of laboratory and commercial Application, improves what laboratory was established
The precision of near-infrared model and the accuracy of measurement result；
5. the utility model reduces commercial Application calibration model working strength.
6, the utility model pretreatment effectively removes bubble, impurity, the moisture in sample, good reproducibility of analysis results.
7, the utility model filter and dehydrator cleaning and replacement accessory are simple and convenient, sample closed loop cycle, without externally
Discharge, reduces environmental pollution.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model near-infrared spectrum analysis simulator embodiment one；
Fig. 2 is the structural schematic diagram of the utility model near-infrared spectrum analysis simulator embodiment two；
Fig. 3 A are the positive structure schematic of the utility model near-infrared spectrum analysis simulator embodiment three；
Fig. 3 B are the structure schematic diagram of the utility model near-infrared spectrum analysis simulator embodiment three；
Fig. 4 is the structural schematic diagram of the utility model near-infrared spectrum analysis grade one filter；
Fig. 5 is the structural schematic diagram of the utility model near-infrared spectrum analysis secondary filter；
Fig. 6 is the structural schematic diagram of the utility model near-infrared spectrum analysis dehydrator filter.
Through the above attached drawings, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings
It is not intended to limit the scope of this disclosure concept by any means with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate the concept of the disclosure.The technical solution of the utility model is carried out with specifically embodiment below detailed
It describes in detail bright.The following examples can be combined with each other, for same or analogous concept or process may some embodiments not
It repeats again.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Term " first ", " second ", " third " in the specification and claims of the utility model and above-mentioned attached drawing,
(if present)s such as " the 4 " are for distinguishing similar object, without being used to describe specific sequence or precedence.It answers
The data that the understanding uses in this way can be interchanged in the appropriate case, for example so as to the embodiments of the present invention described herein
It can be implemented with the sequence other than those of illustrating or describing herein.In addition, term " comprising " and " having " and he
Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process of series of steps or unit, method,
System, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly
Or for the intrinsic other steps of these processes, method, product or equipment or unit.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and same or analogous concept or process may be repeated no more in some embodiments.
Fig. 1 is the structural schematic diagram of the utility model near-infrared spectrum analysis simulator embodiment one.As shown in Figure 1,
The present embodiment near-infrared spectrum analysis simulator includes：
Sequentially connected sample container, compression pump, grade one filter, secondary filter, dehydrator filter, thermostat, inspection
Survey pond and near infrared spectrometer；
Grade one filter and secondary filter are used to remove the particle and bubble in testing liquid；
Dehydrator filter is for being dehydrated testing liquid；
Thermostat is used to the temperature of testing liquid being adjusted to preset temperature；
Testing liquid in sample container passes through grade one filter, two level successively under the pressure effect that compression pump provides
Enter detection cell after filter, dehydrator filter and thermostat；
Near infrared spectrum of the near infrared spectrometer for testing liquid in acquisition testing pond.
Specifically, as shown in Figure 1, sample container includes liquid to be tested, in order to extract the near-infrared of testing liquid
Spectrum overcomes current laboratory to establish the factor for the near infrared spectrum that can not eliminate the effects of the act that near-infrared model is primarily present, such as sample
The problem of impurity, water, bubble and temperature change and sample static state in product acquire spectrum, and the model in laboratory is reduced in work
Measurement error when industry is applied.First, the pressure provided by compression pump is by the liquid in sample container from the outlet of sample container
In be implanted sequentially grade one filter and secondary filter, by the filtering of grade one filter and secondary filter two-stage twice, go
Except impurity such as suspended matter, particle and bubbles in liquid to be tested.
By filtered liquid twice under the pressure effect that compression pump provides, from the outlet of secondary filter, injection is de-
The entrance of water filter treats test liquid and carries out film dehydration so that is not aqueous in liquid to be tested in dehydrator filter
Point.This step is chiefly used in technical field of petrochemical industry to analyze the near-infrared characteristic of crude oil mostly comprising moisture in crude oil, needs
It is more accurate that close infrared spectrum is acquired after moisture is removed.
By the filtered liquid of dehydrator filter from the outlet of dehydrator filter under the pressure effect that compression pump provides
The temperature of testing liquid is adjusted to meet the pre- of test condition by the entrance of injection thermostat by heat exchange in thermostat
If temperature.
Finally, the testing liquid after filtering, dehydration and adjustment temperature enters detection cell, in detection cell, with detection
The liquid propellant near infrared light that the near infrared spectrometer of pond connection is flowed into detection cell, and acquire the near infrared light of liquid to be tested
Spectrum.
Near-infrared spectrum analysis simulator provided in this embodiment, passes through sequentially connected sample container, compression pump, one
Grade filter, secondary filter, dehydrator filter, thermostat, detection cell and near infrared spectrometer；Grade one filter and secondary filter
For removing particle and bubble in testing liquid；Dehydrator filter is for being dehydrated testing liquid；Thermostat is used for will
The temperature of testing liquid is adjusted to preset temperature；Testing liquid in sample container under the pressure effect that compression pump provides, according to
It is secondary to enter detection cell after grade one filter, secondary filter, dehydrator filter and thermostat；Near infrared spectrometer is examined for acquiring
The near infrared spectrum for surveying testing liquid in pond eliminates the difference of the near infrared spectrum of laboratory and commercial Application, improves experiment
The accuracy of the precision and measurement result of the near-infrared model that room is established, while reducing laboratory model and being applied to commercial plant
When model correction working strength.
Fig. 2 is the structural schematic diagram of the utility model near-infrared spectrum analysis simulator embodiment two.As shown in Fig. 2,
On the basis of near-infrared spectrum analysis simulator embodiment shown in Fig. 1 in the present embodiment, compression pump is circulating pump；
Circulating pump is used to make the testing liquid in sample container to be exported from the outlet of sample container and passes through level-one mistake successively
After filter, secondary filter, dehydrator filter, thermostat and detection cell, pass through the entrance re-injection of sample container to sample container
In.
The outlet of grade one filter, secondary filter, dehydrator filter, thermostat and detection cell is respectively provided with flowmeter, and
It is connect with the entrance of sample container.
The outlet of grade one filter, secondary filter, dehydrator filter, thermostat and detection cell is respectively provided with check valve.
Optionally, in the above-described embodiments, sample container, grade one filter, secondary filter, dehydrator filter, constant temperature
It is connected by Φ 10mm pressure hoses between device and detection cell.Optionally, in the above-described embodiments, the filtering essence of grade one filter
≤ 100 μm of degree；Filtering accuracy≤10 μm of secondary filter.Optionally, preset temperature is 35 ± 2 DEG C.Optionally, dewatering and filtering
The dehydration rate of device>99%.
Specifically, in near-infrared spectrum analysis simulator as shown in Figure 2, grade one filter and its auxiliary equipment
Including：Ball valve 8, pressure gauge 9, grade one filter 10, flowmeter 11, needle-valve 12, check valve 13, three-way connection 14 and ball valve 15 it
Between use Φ 12mm stainless steel tubings to link successively, form fast cycle.
Secondary filter and its auxiliary equipment include：The injection port of secondary filter 17 is through needle-valve 16 and grade one filter 10
Outlet is connected, and Φ is used successively between 17 bottom end outlet of secondary filter, flowmeter 27, check valve 30 and three-way connection 32
6mm stainless steel tubings connect, and three-way connection 32,33 connects with 14 with Φ 6mm stainless steel tubings, 17 outlet of secondary filter and
Pressure reducing valve 18 is connected.
Dehydrator filter includes：The injection port of membrane separator 19 is connect with pressure reducing valve 18, the bottom bypass of membrane separator 19
Φ 6mm stainless steel tubings are used to connect successively between mouth, flowmeter 28, check valve 31 and three-way connection 33, membrane separator 19 goes out sample
Mouth is connect with coil pipe 20.
Thermostat and its auxiliary equipment include：Thermostat 6 is connect with heated for controlling temperature system 7,20 injection port of coil pipe and film divide
It is connected from 19 outlet of device, outlet is connect with thermometer 22.
In addition, device further includes as shown in Figure 2：Detecting system, wherein detecting system are for detecting in thermostat
The temperature of testing liquid, and the temperature of thermostat is adjusted according to testing result.Specifically, the injection port and thermometer of detection cell 23
22 connections, use Φ 6mm stainless steel tubings successively between 14 outlet of detection cell, flowmeter 26, check valve 29 and three-way connection 32
Connection, optical fiber 24 are connected with near-infrared analyzer.
Such as：Near-infrared spectrum analysis simulator application method as shown in Figure 2 is as follows：
(1) heat-conducting oil heating of the heated for controlling temperature system to thermostat is opened, waits for that instrument stabilizer, thermostat temperature are controlled 35
± 2 DEG C, start On-line near infrared analyzer instrument and operating software.
(2) open pump 5 and ball valve 8, sample enters grade one filter 10 through pressure gauge 9, a large amount of sample through filtration core by
It is lower quickly to be flowed out upwards from 10 top outlet of filter, through flowmeter 11, needle-valve 12, check valve 13, three-way connection 14 and ball
Valve 15, which returns in sample container 4, forms fast cycle, and flow 150-200mL/min, check valve prevents sample from flowing backwards；By filtration core
Filtered sample enters secondary filter 7 from 10 filter cylinder side outlet of filter.On the one hand the fast cycle ensures filtering after
Sample it is fresh, on the other hand to filtration core self-cleaning, prevent filtration core from blocking.
(3) needle-valve 16 is opened, (a large amount of suspension is eliminated from the filtered sample of by-pass filtration after cycle 1-2min soon
Object, particle, the impurity such as bubble) enter secondary filter 7 filter cylinder in, the sample in filter cylinder after filter element filtering from bottom to top
Dehydrator filter 19 is exited into from outlet.Unfiltered waste liquid and bubble are flowed out from filter cylinder bottom in filter cylinder, through flowmeter
27, check valve 30 and three-way connection 32,33,14 and ball valve 15 return in sample container 4, and waste liquid flow 10-15mL/min is single
Prevent sample from flowing backwards to valve.
(4) open pressure reducing valve 18, the sample after secondary filtration enters dehydrator filter 19, by the dewatered sample of film from
The screw capping outlet of dehydrator exits into 20 constant temperature of coil pipe.Unfiltered waste liquid and bubble bypass outlet from dehydrator
Outflow is returned to through flowmeter 28, check valve 31 and three-way connection 33,14 and ball valve 15 in sample container 4, waste liquid flow 10-
15mL/min, check valve prevent sample from flowing backwards.
(5) the warm pipe of sample after 20 constant temperature of coil pipe enters detection cell and is acquired spectrum and detection, continuous acquisition
Spectrum 3 times takes its averaged spectrum as modeling spectrum.Waste liquid after detection through flowmeter 26, check valve 29 and three-way connection 32,
33,14 and ball valve 15 back in sample container 4.Flow 40-60mL/min；Check valve prevents sample from flowing backwards.
(6) bubble in sample is discharged from sample container air bleeding valve 34.
Fig. 3 A are the positive structure schematic of the utility model near-infrared spectrum analysis simulator embodiment three；Fig. 3 B are
The structure schematic diagram of the utility model near-infrared spectrum analysis simulator embodiment three.As shown in Figure 3A and Figure 3B, originally
In the near-infrared spectrum analysis simulator provided in embodiment, grade one filter, secondary filter, dehydrator filter, constant temperature
Device, detection cell and near infrared spectrometer 1 are arranged on holder 2；Wherein grade one filter, secondary filter, dehydrator filter, thermostat
It is integrated into pretreatment system with detection cell, is integrated in the front of holder 2, online radar stealthy materials 1 are integrated in the front of holder 2.
Specifically, holder is welded by I-shaped pedestal, two longitudinal keels and three lateral keels.Two longitudinal dragons
Bone is respectively perpendicular position among the keel for being welded on I-shaped pedestal both sides；Lateral keel is welded between two longitudinal keels,
The center rest of constant weight can be born by being formed；
Lateral keel is used to fix grade one filter, secondary filter, dehydrator filter, thermostat and detection cell composition
Two balladeur trains are welded for installing near infrared spectrometer in pretreatment system 3, holder front.In addition, thermostat 6 and heated for controlling temperature system 7
It is fixed on cradle back
Fig. 4 is the structural schematic diagram of the utility model near-infrared spectrum analysis grade one filter.As shown in figure 4, this implementation
The grade one filter provided in example is made of cylindrical stainless steel straight barrel type filter cylinder and filtration core, and filtration core passes through thread spacer
It fixes in filtration cartridges, filter cylinder upper and lower side is outlet and injection port terminal fitting respectively and is threadedly coupled with filter cylinder, terminal fitting
It is close to thread spacer.
Specifically, grade one filter is made of cylindrical stainless steel straight barrel type filter cylinder and filtration core, filtration core screw thread
Gasket is fixed in filtration cartridges, and filter cylinder upper and lower side is outlet and injection port terminal fitting respectively and is threadedly coupled with filter cylinder, terminal
Connector is close to thread spacer, this lower and upper quick flowing of sample in the filter, and the sample after filter element filtering is from filter cylinder side
Face outlet enters secondary filter, and filtered sample eliminates a large amount of suspended matter, particle, and the impurity such as bubble lead to simultaneously
The Rapid Circulation of sample is crossed, on the one hand ensures the fresh of post-filtration samples, on the other hand to filtration core self-cleaning, prevents filtration core
It blocks.
Fig. 5 is the structural schematic diagram of the utility model near-infrared spectrum analysis secondary filter.As shown in figure 5, this implementation
The secondary filter provided in example is made of capping, cylindrical filtration core skeleton, filtration core and conical filter cylinder with holes, and capping is
Semisolid semi-hollow cylinder, the hollow cylinder medial surface of capping and bottom centre have internal thread respectively with filter cylinder and filtration core
Skeleton is threadedly coupled, and has injection port and outlet, wherein injection port to be communicated with filter cylinder on the outside of solid section, outlet and filtration core
Skeleton communicates, and filtration core is sleeved on filtering core crab.
Specifically, secondary filter is made of capping, cylindrical filtration core skeleton with holes, filtration core and conical filter cylinder,
Capping is semisolid semi-hollow cylinder, and covering hollow cylinder medial surface and bottom centre has internal thread, respectively with filter cylinder and
It filters core crab to be threadedly coupled, there is the terminal fitting of injection port (Φ 6mm) and outlet (Φ 6mm), sample introduction on the outside of solid section
Mouth is communicated with filter cylinder, and outlet is communicated with filtering core crab, and filtration core is sleeved on filtering core crab.The filtration core of design, filtering
Property skeleton and filter cylinder it is detachable, convenient for cleaning and replace.After sample enters Filter cartridge, by the sample of filter element filtering from mistake
Frame of filter element is flowed out from the outlet of capping from bottom to top, and unfiltered sample and bubble are flowed out from filter cylinder bottom, secondary filtration
The particle and bubble of device removed in sample.
Fig. 6 is the structural schematic diagram of the utility model near-infrared spectrum analysis dehydrator filter.As shown in fig. 6, this implementation
The dehydrator filter provided in example is by by parent, screw capping, filtration module at parent has injection port (Φ 6mm), bypasses out
Sample mouth (Φ 6mm) and cavity, screw capping is by round filter membrane skeleton, the filter membrane with O-ring and outlet (Φ 6mm) with holes
Composition, the filter membrane with O-ring are fixed in the groove around round filter membrane skeleton with holes, sample from parent injection port into
Enter, coil pipe, filtered and filtered water and gas are exited into from screw capping outlet through the dewatered sample of filter membrane
Bubble can be replaced from parent bypass outlet outflow, filter membrane.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.It is understood that the correlated characteristic in above-mentioned apparatus can mutually join
It examines.In addition, " first ", " second " etc. in above-described embodiment are for distinguishing each embodiment, and each embodiment is not represented
It is good and bad.In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the utility model
Example can be put into practice without these specific details.In some instances, well known structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.The above descriptions are merely preferred embodiments of the present invention, not pair
The utility model makes any form of restriction, any letter made by the above technical examples according to the technical essence of the present invention
Single modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of near-infrared spectrum analysis simulator, which is characterized in that including：
Sequentially connected sample container, compression pump, grade one filter, secondary filter, dehydrator filter, thermostat, detection cell
And near infrared spectrometer；
The grade one filter and the secondary filter are used to remove the particle and bubble in testing liquid；
The dehydrator filter is for being dehydrated testing liquid；
The thermostat is used to the temperature of testing liquid being adjusted to preset temperature；
Testing liquid in the sample container passes through the by-pass filtration successively under the pressure effect that the compression pump provides
Enter the detection cell after device, the secondary filter, the dehydrator filter and the thermostat；
The near infrared spectrometer is used to acquire the near infrared spectrum of testing liquid in the detection cell.
2. near-infrared spectrum analysis simulator according to claim 1, which is characterized in that the compression pump is cycle
Pump；
The circulating pump is used to make the testing liquid in the sample container to export from the outlet of the sample container and pass through successively
After crossing the grade one filter, the secondary filter, the dehydrator filter, the thermostat and the detection cell, pass through
In the entrance re-injection to the sample container of the sample container.
3. near-infrared spectrum analysis simulator according to claim 2, which is characterized in that
The outlet of the grade one filter, the secondary filter, the dehydrator filter, the thermostat and the detection cell
It is respectively provided with flowmeter, and is connect with the entrance of the sample container.
4. near-infrared spectrum analysis simulator according to claim 3, which is characterized in that
The outlet of the grade one filter, the secondary filter, the dehydrator filter, the thermostat and the detection cell
It is respectively provided with check valve.
5. near-infrared spectrum analysis simulator according to claim 1, which is characterized in that
The grade one filter is made of cylindrical stainless steel straight barrel type filter cylinder and filtration core, and the filtration core passes through screw thread pad
Piece is fixed in the filter cylinder, and the filter cylinder upper and lower side is respectively outlet and injection port terminal fitting and connects with filter cylinder screw thread
It connects, terminal fitting is close to thread spacer.
6. near-infrared spectrum analysis simulator according to claim 1, which is characterized in that
The secondary filter is made of capping, cylindrical filtration core skeleton, filtration core and conical filter cylinder with holes, and capping is half
Solid semi-hollow cylinder, the hollow cylinder medial surface of capping and bottom centre have internal thread respectively with filter cylinder and filtering arbor
Frame is threadedly coupled, and has injection port and outlet, wherein injection port to be communicated with filter cylinder on the outside of solid section, outlet and filtering arbor
Frame communicates, and filtration core is sleeved on filtering core crab.
7. near-infrared spectrum analysis simulator according to claim 1, which is characterized in that
The grade one filter, the secondary filter, the dehydrator filter, the thermostat, the detection cell and described
Near infrared spectrometer is arranged on holder；
The holder is welded by I-shaped pedestal, two longitudinal keels and three lateral keels, two longitudinal keel difference
It is vertically welded in position among the keel on I-shaped pedestal both sides；Lateral keel is welded between two longitudinal keels, forms energy
Bear the center rest of constant weight；
Lateral keel for fix the grade one filter, the secondary filter, the dehydrator filter, the thermostat and
Two balladeur trains are welded for installing near infrared spectrometer in the detection cell, holder front.
8. near-infrared spectrum analysis simulator according to claim 1, which is characterized in that
The sample container, the grade one filter, the secondary filter, the dehydrator filter, the thermostat and institute
It states and is connected by Φ 10mm pressure hoses between detection cell.
9. near-infrared spectrum analysis simulator according to claim 1, which is characterized in that
Filtering accuracy≤100 μm of the grade one filter；
Filtering accuracy≤10 μm of the secondary filter.
10. near-infrared spectrum analysis simulator according to claim 1, which is characterized in that
The preset temperature is 35 ± 2 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721800638.9U CN207689363U (en) | 2017-12-21 | 2017-12-21 | Near-infrared spectrum analysis simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721800638.9U CN207689363U (en) | 2017-12-21 | 2017-12-21 | Near-infrared spectrum analysis simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207689363U true CN207689363U (en) | 2018-08-03 |
Family
ID=62994727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721800638.9U Active CN207689363U (en) | 2017-12-21 | 2017-12-21 | Near-infrared spectrum analysis simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207689363U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426651A (en) * | 2020-05-18 | 2020-07-17 | 河北中烟工业有限责任公司 | Near-infrared analyzer liquid sample sampling detection device |
| CN113049522A (en) * | 2019-12-26 | 2021-06-29 | 中国石油天然气股份有限公司 | Near-infrared analysis device capable of eliminating bubbles |
| CN117388207A (en) * | 2023-09-28 | 2024-01-12 | 无锡迅杰光远科技有限公司 | Liquid spectrum acquisition equipment |
-
2017
- 2017-12-21 CN CN201721800638.9U patent/CN207689363U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049522A (en) * | 2019-12-26 | 2021-06-29 | 中国石油天然气股份有限公司 | Near-infrared analysis device capable of eliminating bubbles |
| CN113049522B (en) * | 2019-12-26 | 2023-07-25 | 中国石油天然气股份有限公司 | Near infrared analysis device capable of eliminating bubbles |
| CN111426651A (en) * | 2020-05-18 | 2020-07-17 | 河北中烟工业有限责任公司 | Near-infrared analyzer liquid sample sampling detection device |
| CN117388207A (en) * | 2023-09-28 | 2024-01-12 | 无锡迅杰光远科技有限公司 | Liquid spectrum acquisition equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207689363U (en) | Near-infrared spectrum analysis simulator | |
| CN109799203B (en) | Wide-range high-precision spectrum detection method for COD concentration in water body | |
| CN106823823B (en) | A method of measurement supermicro filtration membrane pore size and pore size distribution | |
| CN108760642A (en) | The real-time Water Test Kits of full spectrum | |
| CN106596439A (en) | Apparatus and method for simultaneously measuring nitrous acid, ozone and nitrogen dioxide in air | |
| JPH03272676A (en) | Precise filtration process, and apparatus therefor | |
| CN104390926B (en) | Online rapid detection method of herba andrographis concentrated decolorization process | |
| CN102961970A (en) | Device for testing antifouling property of hollow-fibre membrane | |
| CN105241829A (en) | Circulation-type in-situ high-precision seawater pH value measurement apparatus and measurement method thereof | |
| CN104801096A (en) | Intelligent pre-filter online monitoring and diagnosing device and method | |
| CN101071104B (en) | Method for determining chloride content in tobacco | |
| IL30873A (en) | Method for automatically measuring osmotic fragility of red blood cells and device therefor | |
| CN104089910A (en) | Apparatus for simultaneously detecting color value and turbidity of finished sugar, and rapid detection method | |
| CN105784617A (en) | Water quality testing method based on spectral analysis | |
| CN210604257U (en) | Liquid filter core comprehensive properties check out test set | |
| CN205643150U (en) | COD short -term test appearance | |
| CN211877708U (en) | A testing arrangement for bamboo timber liquid permeability | |
| CN202983526U (en) | Hollow antifouling property test device for fiber membrane | |
| Iritani et al. | Nanocolloid cake properties determined from step‐up pressure filtration with single‐stage reduction in filtration area | |
| CN204758475U (en) | Online ammonia nitrogen analysis appearance of two optical distance analytical approachs | |
| CN101738339B (en) | Near-infrared complete pretreatment device for blended gasoline | |
| CN208786188U (en) | A kind of dust generating system | |
| CN106841058B (en) | A kind of online test method and device of biomass by hydro-thermal preprocessing process | |
| CN109682776A (en) | Multimode near infrared online monitors system and its application method | |
| CN210964672U (en) | Integrated membrane performance testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |