CN203965397U - A kind of large full-automatic headspace sampling device of capacity - Google Patents
A kind of large full-automatic headspace sampling device of capacity Download PDFInfo
- Publication number
- CN203965397U CN203965397U CN201420379095.8U CN201420379095U CN203965397U CN 203965397 U CN203965397 U CN 203965397U CN 201420379095 U CN201420379095 U CN 201420379095U CN 203965397 U CN203965397 U CN 203965397U
- Authority
- CN
- China
- Prior art keywords
- sampling
- sample
- valve
- sample bottle
- lifting table
- 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.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of large full-automatic headspace sampling device of capacity, comprise cabinet, jacking gear, sample introduction sampler and incubation chamber, described jacking gear is positioned at cabinet bottom, described incubation chamber and sample introduction sampler are positioned at cabinet top, described jacking gear by lifting motor, determine moment shaft coupling and shearing lifting table connects to form, on described shearing lifting table, place sample bottle to be analyzed; The beneficial effects of the utility model are that sample bottle to be analyzed adopts the large capacity sample bottle of 250mL, has solved the uneven and representative poor problem of sampling; Jacking gear adopts rod hinge connection scissors, screw drives sample bottle lifting table structure; Sample bottle lifting table to be analyzed adopts determines torque drive pattern, realizes sample bottle and puts into position/sample introduction position self-locating function; Sampling line and sampling valve band automatic back blow purging system, avoided sample cross pollution; Sampling pump and sampling valve coordinate, sampling below atmospheric pressure, and sampled pressure is constant, favorable reproducibility.
Description
Technical field
The utility model relates to a kind of sample pre-treatments device for dissolvent residual gas chromatographic analysis, can be widely used in the detection of the indexs of correlation such as various materials, gas, smell, residual, tobacco bale, be one of selection mode carrying out gas chromatographic analysis sample pre-treatments and auto injection, be specially a kind of large full-automatic headspace sampling device of capacity.
Background technology
Compound substance is a kind of conventional wrappage, gathers the premium properties of multiple high polymer material in one, can effectively extend the shelf-life of product.The dissolvent residual of composite packaging generally results from ink, solvent, production process, and the performance of the capability and performance of ink, the rate of drying of diluting solvent, machine, environment, packaging structure all can have influence on solvent residual amount.Still organic ink that the packaging color printing industry of Present Domestic is mainly used, taking hyperthermia drying as main organic solvent removing method, but the toluene of contained inequality in ink, butanone, ethyl ester equal solvent evaporation rate are not identical, this has just caused various dissolvent residual numerical quantities to differ.In the time that solvent residual amount exceedes certain limit, will pollute packing content thing, and then consumer's health is brought to harm.The dissolvent residual of composite packaging generally samples detection after printing, and detection method and standard be according to GB and industry standard or standard, the residual total amount of packaged food kind solvent should≤5mg/m
2, wherein benzene kind solvent residual quantity≤0.01mg/m
2(must not detect).
Conventionally the residual solvent in packaging mainly contains the materials such as toluene, dimethylbenzene, butanone, isopropyl alcohol, butyl acetate, ethyl acetate, there are differences according to the concrete material using and ink.For flexible packaging factory, the many factors that causes dissolvent residual to exceed standard, for example: base material selection is improper, production technology is lack of standardization, it is aging to be simply equipped, produce each link lacks essential detection control etc.In addition, if flexible packaging production equipment exist drying tunnel heating-up temperature improper, dry deficiency in draught, additive-coated is inhomogeneous, speed of production is unreasonable etc., and phenomenon also can cause that the solvent residual amount of composite packaging exceeds standard.In fact, it is all necessary carrying out solvent residual amount detection for starting material and manufactured goods, and flexible packaging factory can be according to actual testing result, and starting material and technique are produced in corresponding adjustment, effectively to improve the quality of product.
In printing in process of production of composite soft packaging, compound, painting process, use a large amount of organic solvents, as toluene, dimethylbenzene, ethyl acetate, butanone, butyl acetate, ethanol, isopropyl alcohol etc.Solvent remains in compound package material more or less, is used for packaged food, medicine etc. if contain compared with the wrappage of high residue solvent, will endanger the healthy of people, affects food taste.For the composite membrane that has used organic solvent in composite print production run, should detect it and remain in the quantity of solvent in composite membrane.
China has regulation in " the YY0236 composite membrane for packaging medicine general rule " of enforcement on June 1st, 1996 and " the GB/T10004 compound membrane bag of resistance to boiling " implemented on February 1st, 1999 to dissolvent residual, requires solvent total amount General Requirements to be less than 10mg/m
2, China's " YBB00132002 composite membrane for packaging medicine, bag general rule (trying) " regulation benzene kind solvent residual quantity of revision in 2002 must be less than 3mg/m
2.European and American developed countries' General Requirements composite membrane solvent total amount is less than 2mg/m
2.In new national standard, require total solvent residual quantity lower than 5mg/m
2, benzene kind solvent must not detect simultaneously.
A kind of new specialty sample pre-treatments device that the large full-automatic headspace sampling device of capacity is invented in order to meet association area analytical control requirement just.This device can be widely used in the detection of the indexs of correlation such as various materials, gas, smell, residual, tobacco bale, is that the industries such as testing agency, institute, wrapping enterprise, food and medicine are carried out the optimal selection of gas chromatographic analysis sample pre-treatments and auto injection.Along with the raising of expanding economy and living standards of the people, detection, analysis field to dissolvent residual are more and more wider, have become the standard analysis means of packages printing, food and medicine industry routine, and to customizations, high performance future development.But because the development of this quasi-instrument of China at present relatively lags behind, existing product is difficult to adapt to market user's demand.
Utility model content
In order to meet a kind of new specialty sample pre-treatments of correlation analysis inspection application demand device, the utility model provides a kind of large full-automatic headspace sampling device of capacity, can complete dissolvent residual sample pre-treatments comprehensively, and realize auto injection, utilize gas chromatographic technique to examine and determine analysis, carry out the detection of all kinds of residual solvents in composite packaging, be a kind of specialty for accurate, fast detecting printing packaging product dissolvent residual content and detect a kind of high-performance device of solvent purity to have that qualitative and quantitative analysis speed is fast, data are accurately reliable.
The technical solution adopted in the utility model is, a kind of large full-automatic headspace sampling device of capacity, comprise cabinet, jacking gear, sample introduction sampler and incubation chamber, described jacking gear is positioned at cabinet bottom, described incubation chamber and sample introduction sampler are positioned at cabinet top, described jacking gear by lifting motor, determine moment shaft coupling and shearing lifting table connects to form, on described shearing lifting table, place sample bottle to be analyzed, described sample introduction sampler comprises sampling vacuum pump, sampling solenoid valve, solenoid purge valve, quantity tube, sampling valve drive motor, sampling valve, heat-preservation cotton, Pt100 temperature element, heating rod, sampling probe, gravity moves back bottle device and heating jacket, in described incubation chamber, be provided with heat-preservation cotton, described heat-preservation cotton inside is provided with heating jacket, in described heating jacket, be provided with gravity and move back a bottle device, Pt100 temperature element is installed on described heating jacket top, heating rod and sampling probe, described sampling probe connects sampling valve, described sampling valve connects sampling valve drive motor, on described sampling valve, be also provided with quantity tube, described sampling valve, solenoid purge valve, sampling solenoid valve is connected successively with sampling vacuum pump,
The beneficial effects of the utility model are that sample bottle to be analyzed adopts the large capacity sample bottle of 250mL, has solved the uneven and representative poor problem of sampling; Jacking gear adopts rod hinge connection scissors, screw drives sample bottle lifting table structure; Sample bottle lifting table to be analyzed adopts determines torque drive pattern, realizes sample bottle and puts into position/sample introduction position self-locating function; Sampling line and sampling valve band automatic back blow purging system, avoided sample cross pollution; Sampling pump and sampling valve coordinate, sampling below atmospheric pressure, and sampled pressure is constant, favorable reproducibility.
Device adopts quantitatively ring balanced type Ngatively pressurized sampling system, and sample reaches thermal equilibrium state after heating, and by vacuum cycle pump, sample is introduced to quantitatively ring, and quantitatively ring is introduced in carrier gas by valve switching simultaneously, and sample is injected to injection port.Device can continue logical nitrogen blowback and quantitatively encircle between twice sample introduction, cleans sampling probe, avoids cross pollution between sample, avoids occurring " ghost peak " phenomenon.And can complete dissolvent residual sample pre-treatments comprehensively, realize auto injection analysis.And novelty simple in structure, has significantly reduced production cost.
Brief description of the drawings
Fig. 1 is insert/extracting position of the full-automatic headspace sampling device of large capacity sample bottle front view;
Fig. 2 is the full-automatic headspace sampling device of large capacity sample bottle sample introduction position front view;
Fig. 3 is the full-automatic headspace sampling device analysis of large capacity process flow diagram;
Fig. 4 is the full-automatic headspace sampling device of large capacity sample control program block diagram;
In figure: 1. lifting motor, 2. determine moment shaft coupling, 3. shearing lifting table, 4. sampling vacuum pump, 5. sampling solenoid valve, 6. solenoid purge valve, 7. quantity tube, 8. sampling valve drive motor, 9. sampling valve, 10. heat-preservation cotton, 11.Pt100 temperature element, 12. heating rods, 13. sampling probes, 14. gravity move back a bottle device, 15. heating jackets, 16. incubation chamber, 17. cabinets, 18. sample bottles to be analyzed.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure, the utility model is a kind of large full-automatic headspace sampling device of capacity, comprise cabinet 17, jacking gear, sample introduction sampler and incubation chamber 16, described jacking gear is positioned at cabinet 17 bottoms, described incubation chamber 16 is positioned at cabinet 17 tops with sample introduction sampler, described jacking gear by lifting motor 1, determine moment shaft coupling 2 and shearing lifting table 3 connects to form, on described shearing lifting table 3, place sample bottle 18 to be analyzed, described sample introduction sampler comprises sampling vacuum pump 4, sampling solenoid valve 5, solenoid purge valve 6, quantity tube 7, sampling valve drive motor 8, sampling valve 9, heat-preservation cotton 10, Pt100 temperature element 11, heating rod 12, sampling probe 13, gravity moves back bottle device 14 and heating jacket 15, in described incubation chamber 16, be provided with heat-preservation cotton 10, described heat-preservation cotton 10 inside are provided with heating jacket 15, in described heating jacket 15, be provided with gravity and move back bottle device 14, Pt100 temperature element 11 is installed on described heating jacket 15 tops, heating rod 12 and sampling probe 13, described sampling probe 13 connects sampling valve 9, described sampling valve 9 connects sampling valve drive motor 8, on described sampling valve 9, be also provided with quantity tube 7, described sampling valve 9, solenoid purge valve 6, sampling solenoid valve 5 is connected successively with sampling vacuum pump 4,
In Fig. 1, this device shearing lifting table is together with lifting motor and determine moment shaft coupling and be fixed on cabinet lower illustration position.Sample introduction sampler is arranged on incubation chamber shown position.Sample introduction sampler is arranged on cabinet shown position by incubation chamber.On device, control signal wire, driving and heating power supply line, gas circuit pipeline are connected with instrument port by diagram respectively.Sample bottle to be analyzed is placed on diagram shearing lifting table.
In Fig. 2, device shearing lifting table is delivered to sample bottle to be analyzed in sample introduction sampler heating jacket shown position according to control program, in shearing lifting table and sample bottle uphill process to be analyzed, gravity is moved back to bottle device jack-up in the lump, in sample bottle uphill process to be analyzed, sampling probe punctures sample bottle top rubber sealing-plug enter in sample bottle and samples.
Shown in Fig. 3, the full-automatic headspace sampling device of large capacity gas circuit control flow is described.
Sample bottle to be analyzed adopts the large capacity sample bottle of 250mL, has solved the uneven and representative poor problem of sampling;
Jacking gear adopts rod hinge connection scissors, screw drives sample bottle lifting table structure;
Sample bottle lifting table to be analyzed adopts determines torque drive pattern, realizes sample bottle and puts into position/sample introduction position self-locating function;
Sampling line and sampling valve band automatic back blow purging system, avoided sample cross pollution;
Sampling vacuum pump and sampling valve coordinate, sampling below atmospheric pressure, and sampled pressure is constant, favorable reproducibility.
Figure 4 shows that device control model flow chart, its operation process is:
Set instrument stratographic analysis/headspace sampling operational factor, and operation, treat instrument stabilizer, after normal operating condition,
250mL sample bottle to be analyzed is put into shearing lifting table shown position,
Press instrumental analysis operation start key,
Solenoid purge valve is opened, and instrument starts to carry out the cleanings such as pipeline/quantity tube/sample introduction needle.Device will clean according to setting-up time parameter, be generally 30 seconds,
Start shearing lifting table and rising, setting the rise time is 15 seconds, setting lifting table upper end residence time (sample bottle heating and thermal insulation time) >=1800 seconds,
Heat 250mL sample bottle 30 minutes by heating rod,
Start sampling vacuum pump, open sampling solenoid valve simultaneously, sample gas is introduced to quantity tube, the setting extraction time is: 5 seconds,
Drive sampling valve by sampling valve drive motor, switch to sample introduction position.Setting sample injection time is: 5 seconds, after sample introduction, six-way valve went back to sampling position, synchronously starts chromatogram Cheng Sheng and workstation, and instrument starts, and analysis time period can be set according to concrete sample,
After stratographic analysis finishes, start shearing lifting table and 250mL sample bottle and drop to initial position,
Prepare next sample analysis.
The utility model is not limited to above-mentioned embodiment, and anyone should learn the identical or close technical scheme that the structural change made under the utility model enlightenment draws, within all falling into protection domain of the present utility model.
Technology, shape, structure part that the utility model is not described in detail are known technology.
Claims (3)
1. the full-automatic headspace sampling device of large capacity, it is characterized in that, comprise cabinet, jacking gear, sample introduction sampler and incubation chamber, described jacking gear is positioned at cabinet bottom, described incubation chamber and sample introduction sampler are positioned at cabinet top, described jacking gear by lifting motor, determine moment shaft coupling and shearing lifting table connects to form, on described shearing lifting table, place sample bottle to be analyzed, described sample introduction sampler comprises sampling vacuum pump, sampling solenoid valve, solenoid purge valve, quantity tube, sampling valve drive motor, sampling valve, heat-preservation cotton, Pt100 temperature element, heating rod, sampling probe, gravity moves back bottle device and heating jacket, in described incubation chamber, be provided with heat-preservation cotton, described heat-preservation cotton inside is provided with heating jacket, in described heating jacket, be provided with gravity and move back a bottle device, Pt100 temperature element is installed on described heating jacket top, heating rod and sampling probe, described sampling probe connects sampling valve, described sampling valve connects sampling valve drive motor, on described sampling valve, be also provided with quantity tube, described sampling valve, solenoid purge valve, sampling solenoid valve is connected successively with sampling vacuum pump.
2. the full-automatic headspace sampling device of large capacity as claimed in claim 1, is characterized in that, described sample bottle to be analyzed adopts 250mL sample bottle.
3. the full-automatic headspace sampling device of large capacity as claimed in claim 1, is characterized in that, described jacking gear adopts rod hinge connection scissors, screw drives sample bottle lifting table structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379095.8U CN203965397U (en) | 2014-07-10 | 2014-07-10 | A kind of large full-automatic headspace sampling device of capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379095.8U CN203965397U (en) | 2014-07-10 | 2014-07-10 | A kind of large full-automatic headspace sampling device of capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965397U true CN203965397U (en) | 2014-11-26 |
Family
ID=51925961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420379095.8U Expired - Fee Related CN203965397U (en) | 2014-07-10 | 2014-07-10 | A kind of large full-automatic headspace sampling device of capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405136A (en) * | 2016-11-23 | 2017-02-15 | 睿科仪器（厦门）有限公司 | Large-volume sample loading device |
| CN109856297A (en) * | 2019-01-18 | 2019-06-07 | 梁永革 | A kind of drug inspection head-space sampling device |
-
2014
- 2014-07-10 CN CN201420379095.8U patent/CN203965397U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405136A (en) * | 2016-11-23 | 2017-02-15 | 睿科仪器（厦门）有限公司 | Large-volume sample loading device |
| CN106405136B (en) * | 2016-11-23 | 2018-09-04 | 睿科仪器（厦门）有限公司 | large volume sampling device |
| CN109856297A (en) * | 2019-01-18 | 2019-06-07 | 梁永革 | A kind of drug inspection head-space sampling device |
| CN109856297B (en) * | 2019-01-18 | 2021-01-29 | 梁永革 | Headspace sampling device for medicine inspection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108535391B (en) | Automatic headspace sampler of gas chromatograph and automatic sampling method | |
| CN203965397U (en) | A kind of large full-automatic headspace sampling device of capacity | |
| CN203203881U (en) | Pressure-resistance detection device of soft plastic package bag | |
| US20190011383A1 (en) | Apparatus and method for quality detection of a processed product | |
| CN114563308A (en) | Method for evaluating storage stability of adhesive | |
| CN102062672A (en) | Leakage detection method using compressed air as medium | |
| CN203870276U (en) | Micropore detecting device | |
| CN107202851A (en) | The sampling system and its method of a kind of head-space sampler | |
| CN103357287A (en) | Visual oil-water mixing and stirring device used for laboratory | |
| CN107356488A (en) | The simple and fast assay method of amylose in a kind of grain | |
| CN204758425U (en) | Full -automatic survey device of weighting method residue on evaporation | |
| CN204008383U (en) | Immersion vaporising device in a kind of food contact material gross migration measuring process | |
| CN204228495U (en) | A kind of automation equipment extracting preparation for fibre plant product fiber samples | |
| CN202928972U (en) | Softening point test system assembly | |
| CN208060460U (en) | A kind of sampling system of head-space sampler | |
| CA2480848C (en) | Analyzer for automatic rapid analysis of the acetaldehyde content of pet products, particularly preforms, and its operative process | |
| CN203688471U (en) | Asphalt heat storage stability test system | |
| CN107132367A (en) | A kind of Full-automatic fiber analyzer | |
| CN104931521B (en) | Ternary system fluid mutual solubility assay method and its measurement system | |
| CN106018630A (en) | Steamed bread flavor substance detection method | |
| CN109916605B (en) | Garden shears fatigue test method and tester used by same | |
| CN206858556U (en) | A kind of servicing unit that can carry out culture dish head space micro-extraction | |
| CN206132737U (en) | Totally enclosed quantitative measurement transformer oil dissolves head space sampling device of composition | |
| CN202562794U (en) | Tube-type rubber detector | |
| CN215678238U (en) | Pretreatment system appearance device of ethylene glycol terephthalate beverage bottle acetaldehyde test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141126 Termination date: 20200710 |