CN203259460U - Universal coupling device for infrared analysis of temperature-controlled gas - Google Patents
Universal coupling device for infrared analysis of temperature-controlled gas Download PDFInfo
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- CN203259460U CN203259460U CN201320218314.XU CN201320218314U CN203259460U CN 203259460 U CN203259460 U CN 203259460U CN 201320218314 U CN201320218314 U CN 201320218314U CN 203259460 U CN203259460 U CN 203259460U
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- temperature
- controlled gas
- temperature controlled
- universal coupling
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- 238000012360 testing method Methods 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 56
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- 238000002474 experimental method Methods 0.000 description 4
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- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
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Abstract
The utility model provides a universal coupling device for infrared analysis of a temperature-controlled gas. The universal coupling device comprises a gas detection sample pool and a pipeline coupling device, wherein an intake pipe joint and an exhaust pipe joint are arranged on the pool body of the gas detection sample pool. The universal coupling device is characterized in that the gas detection sample pool is a temperature-controlled gas detection sample pool with a stainless steel pool body; the pipeline coupling device comprises a temperature-controlled gas transmission pipeline and pipe joints connected to two ends; the temperature-controlled gas detection sample pool and the temperature-controlled gas transmission pipeline are respectively provided with heating elements, temperature measurement elements and a temperature control device; the temperature measurement elements are respectively connected with the temperature control device through signal lines. Coupling of an infrared spectrometer and kinds of test analysis instruments is easily achieved; the practical value and the test range of the infrared spectrometer are expanded; pyrolytic gases generated in the test and analysis processes can be subjected to temperature control in the coupling and transporting processes; dynamic detection and analysis can be continuously carried out; the universal coupling device is simple and compact in structure, and low in construction cost.
Description
Technical field
The utility model belongs to the detection technical field of analytical instruments, is the universal coupling arrangement of a kind of temperature controlled gas infrared analysis specifically.
Background technology
Fourier transformation infrared spectrometer (FTIR) is the instrument of measuring various compound infrared spectrums, not only be widely used in the traditional field such as petrochemical complex, organic chemistry, polymer science, medicine, food analysis, but also bringing into play important detection effect in new technical field such as semiconductor, optics, electronic installations.Powerful qualitative function can be realized, also quantitative analysis can be realized; The analysis of constant sample can not only be realized, also the analysis of micro-example can be realized by the combination of annex.
In the research field of present macromolecular material at home, use the instruments such as infrared spectrometer (FTIR), simultaneous thermal analysis instrument (STA), mass spectrometer (MS), gas chromatograph (GC), carry out the test of material property and research and analyse widely popular.Many scientific research institutions have been equipped with above-mentioned instrument in whole or in part.But, aspect the test coupling between these instruments, be but to present very difficult situation.Mainly contain the reason of three aspects: 1, the connection problem of coupling between instrument.The instrument that different instrument manufacturers provide, joining interface each other can't dock, and the system software that test is controlled is not supported mutually yet.For example; The simultaneous thermal analysis instrument that the infrared spectrometer that Japan Shimadzu company produces and French Sai Talamu company produce, and the thermal-analysis instrumentation of EU countries's production, just synchronously coupling.2, the Instrument crosslinking limitation is large, is the facility that can only use same instrument manufacturer production basically.Use many units of instrument due to China, when purchasing these instruments, by the decision of objective factor at that time, by stages, in batches, according to the needs of test performance, ordered the instrument that several different businessmans produce.Cause therefrom present many units, one or more above-mentioned testing tools are arranged, situation that but can't online use.3, the connection facility that provides of instrument manufacturer has significant limitation, and somewhat expensive, connects 10～300,000 yuans of facility needs once cover, and high cost of equipment makes that many units are unable to be born, and hangs back.
The gas sample cell of existing infrared spectrometer mainly is comprised of aquarium body, infrared light transmission window, connection bracing frame, connecting screw rod etc., there are two with the hose connection of rotary switch on the aquarium body, are used for controlling the injection of tested gas, airtight reservation and discharge.After gas sample cell installed in infrared spectrometer, tested gas just can inject in the body of pond by pressure or carrier gas, flows in the body of pond or is closed, and detects analysis by the infrared waves that penetrates translucent window film.Polymer-pyrolysis gas for being easy at normal temperatures solidify but can't detect analysis.
How to design the lower universal coupling arrangement of temperature controlled gas infrared analysis of a kind of cost; Make Fourier transformation infrared spectrometer in the application of every field; Can be according to different actual test requests; Effective connection by attachment device; Can distinguish or while and simultaneous thermal analysis instrument (STA); Mass spectrometer (MS); The multiple Instrument crosslinkings such as gas chromatograph (GC); Be combined into a highly effective practical measuring technology of cover; Can be dark to the THERMAL STABILITY of material; Further developing again; Improve the power of test of analytical instrument; This is present the art problem demanding prompt solution.
Summary of the invention
The utility model is the problem that exists for solving prior art, provide a kind of temperature controlled gas infrared analysis universal coupling arrangement, be easy to realize that Fourier transform infrared spectrometer connects with polytype test analytical instrument, give full play to the potentiality and the function that detect performance, expand practical value and the test specification of infrared spectrometer, can carry out temperature control at the connection course of conveying to the pyrolysis gas that the test analysis process produces, and can carry out continuity ground detection of dynamic analysis, it is simple in structure, compact, and cost is lower.
The utility model adopts following technical scheme: the universal coupling arrangement of a kind of temperature controlled gas infrared analysis, comprise that gas test sample pond and pipeline connect the knot device, on the pond body in described gas test sample pond, draft tube joint and escape pipe joint are set, it is characterized in that, described gas test sample pond is the temperature controlled gas test sample pond with stainless steel pond body; Described pipe line joint device comprises the pipe adapter that temperature control gas transmission conduit and two ends thereof connect; Described temperature controlled gas test sample pond and temperature control gas transmission conduit arrange respectively heating element, temperature element and configure an attemperating unit, and described temperature element is connected with described attemperating unit by signal wire respectively.
To improvement of the technical scheme: the heating element on described temperature controlled gas test sample pond is to be wrapped in the external spiral electric heating tube in stainless steel pond, temperature element on described temperature controlled gas test sample pond is to be arranged on the first external armoured thermocouple of stainless steel pond, the external coating insulation material in described stainless steel pond and stainless steel outer cover; Be the stainless steel tubule in described temperature control gas transmission conduit; Described stainless steel tubule two ends connect described pipe adapter; The supravasal temperature element of described temperature control gas transmission is the gas transmission electrosurgical catheter heating tube that binds together with described stainless steel tubule; Described stainless steel tubule and gas transmission electrosurgical catheter heating tube outer cladding insulation material; Described temperature control gas transmission conduit outermost layer stainless steel outer tube fixed closed; Be provided with the cylinder boss that has tapped through hole in the middle of on the stainless steel outer tube; Mounting pipe straight coupling on described cylinder boss; The supravasal temperature element of described temperature control gas transmission is the second armoured thermocouple that is arranged on described tubular configured joint.
To further improvement in the technical proposal: described temperature controlled gas test sample pond comprise tubular stainless steel pond body, two infrared light transmission windows, connect bracing frame, connecting screw rod, two infrared light transmission windows are fixed on the two ends of described stainless steel pond body by connecting bracing frame and connecting screw rod.
To further improvement in the technical proposal: described stainless steel tubule and gas transmission electrosurgical catheter heating tube shape are coincide, and both abut against together.
To further improvement in the technical proposal: described temperature control gas transmission conduit is L shaped, C shape or n shape.
To further improvement in the technical proposal: described pipe adapter adopts international bite type stainless steel joint for pipeline, and described stainless steel tubule adopts the stainless steel tubule of normal diameter specification series.
The utility model compared with prior art has the following advantages and good effect:
1; The utlity model has advanced practical temperature controlled gas test sample pond; Easy reliable temperature control gas transmission conduit and attemperating unit and convenient, flexible connection pipe fitting; Design and combination by these three innovative points; Consist of a unique cover " the universal coupling arrangement of temperature controlled gas infrared analysis "; Under the state that does not change any parts of former instrument; Can link with other analytical instrument; To producing or escaping gas in the experiment test process; Use Fourier transform infrared spectrometer and carry out test analysis; Especially to the pyrolysis gas of polymeric material in the experiment test process; Carrying out successional detection of dynamic analyzes very convenient effective.Can be to the pyrolysis gas composition of other types instrument in the generation of test analysis process, connecting the control of course of conveying implementation design temperature, avoid cooling, condensation and deposited phenomenon, guarantee to be convenient to carry out exactly the detection analysis of qualitative, quantitative at the optimum efficiency of a certain temperature range section pyrolysis gas composition.
2, by " the universal coupling arrangement of temperature controlled gas infrared analysis " of the present utility model, multiple test analytical instrument coupling, can expand widely the range of application of each test analytical instrument, greatly enrich infrared spectrometer and detected the content of analysis in every field, for detecting, experiment analyzes the convenient combination and reliable method of testing that various ways is provided, especially the pyrolysis gas of macromolecular material detected the conveying flow process of analyzing, provide accurately and effectively and ensured, be economic benefit, social benefit is remarkable.
3, aspect scientific research, can provide multiple test analytical instrument to be used in combination to the scientific research technician, give full play to performance, the potential of instrument, improve the practical value of instrument, the accurate data and the result that provide for experiment test, write out research paper, monograph with novelty value, create the achievement in research that makes new advances, create new standard, new concept.
4, it is simple in structure, compact, and cost is lower, and is easy to operate, practical.
Description of drawings
Fig. 1 is the johning knot composition of the universal coupling arrangement of the utility model temperature controlled gas infrared analysis;
Fig. 2 is the structural drawing in the utility model temperature controlled gas test sample pond;
Fig. 3 is the pipeline structure combination schematic diagram of the utility model temperature control gas transmission conduit.
In figure: 1-simultaneous thermal analysis instrument; The 2-pipe adapter; The 3-connecting hose; 4-temperature control gas transmission conduit; The 5-attemperating unit; The 6-Fourier transformation infrared spectrometer; 7-temperature controlled gas test sample pond; 8-the first armoured thermocouple; 9-stainless steel outtake tube; 10-connects bracing frame; 11-infrared light transmission window; 12-spiral electric heating tube; The 13-connecting screw rod; 14-stainless steel pond body; The 15-heat-insulation layer; 16-stainless steel tubule; 17-stainless steel outer cover; 18-gas transmission electrosurgical catheter heating tube; 19-stainless steel outer tube; 20-pipe heat-insulation layer; 21-the second armoured thermocouple.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1-Fig. 3, the embodiment of the universal coupling arrangement of a kind of temperature controlled gas infrared analysis of the utility model, comprise gas test sample pond and pipe line joint device, gas test sample pond comprises the pond body of tubular, two infrared light transmission windows 11, connects bracing frame 10, connecting screw rod 13, two infrared light transmission windows 11 is fixed on the two ends of described pond body by connecting bracing frame 10 and connecting screw rod 13.Described gas test sample pond is the temperature controlled gas test sample pond 7 with stainless steel pond body 14, on stainless steel pond body 14, draft tube joint, escape pipe joint are set, at stainless steel pond body 14 outer electric heating tube and the first armoured thermocouples 8 of arranging, at stainless steel pond body 14 outer cladding heat-insulation layers 15 and stainless steel outer cover 17, electric heating tube and the first armoured thermocouple 8 are also coated by heat-insulation layer 15.
Above-mentioned pipeline connection device comprises temperature control gas transmission conduit 4 and connection pipe fitting, the gas transmission electrosurgical catheter heating tube 18 that described temperature control gas transmission conduit 4 comprises stainless steel tubule 16 and binds together with it, described stainless steel tubule 16 and gas transmission electrosurgical catheter heating tube 18 outer cladding pipe heat-insulation layers 20.Temperature control gas transmission conduit 4 outermost layers play insulation and protective action with stainless steel outer tube 19 fixed closeds.Be provided with the cylinder boss that has tapped through hole in the middle of on stainless steel outer tube 19, tubular configured joint is set on cylinder boss, the second armoured thermocouple 21 is installed on tubular configured joint.Above-mentioned connection pipe fitting is the pipe adapter 2 that in temperature control gas transmission conduit 4, stainless steel tubule 16 two ends connect.Above-mentioned temperature controlled gas test sample pond 7 and temperature control gas transmission conduit 4 configuration one attemperating units 5, described the first armoured thermocouple 8 be connected armoured thermocouple 21 and be connected with described attemperating unit 5 by signal wire respectively, be used for monitoring and controlling at any time the temperature of stainless steel pond body 14 and temperature control gas transmission conduit 4.
Electric heating tube on above-mentioned stainless steel pond body 14 is to be wrapped in the outer spiral electric heating tube 12 of stainless steel pond body 14; Above-mentioned stainless steel tubule 16 coincide with gas transmission electrosurgical catheter heating tube 18 shapes, and both near and bind together, can make insulation, homogeneous heating.Spiral electric heating tube 12 and gas transmission electrosurgical catheter heating tube 18 are connected with power supply by wire.
According to using needs, above-mentioned temperature control gas transmission conduit 4 be L shaped, C shape or n shape, can be also other suitable shapes.
The pipe adapter 2 at above-mentioned stainless steel tubule 16 two ends all adopts international bite type stainless steel joint for pipeline, and described stainless steel tubule 16 adopts the stainless steel tubule of normal diameter specification series, as with the connection pipe fitting of test analytical instrument.The specification of bite type stainless steel joint for pipeline 2 is wide in variety, and is applied widely, and it is convenient to change, and can satisfy the combination connection with various different testing tool connecting interfaces.
As shown in Figure 1, be the embodiment of the utility model in simultaneous thermal analysis instrument 1 and Fourier transformation infrared spectrometer 6 couplings, temperature control gas transmission conduit 4 one ends are connected with the escape pipe joint of simultaneous thermal analysis instrument 1 by connecting hose 3 and bite type stainless steel joint for pipeline 2, the other end of temperature control gas transmission conduit 4 is connected by the draft tube joint on temperature controlled gas test sample pond 7 in bite type stainless steel joint for pipeline 2 and Fourier transformation infrared spectrometer 6, escape pipe joint on temperature controlled gas test sample pond 7 connects stainless steel outtake tube 9, and adopts attemperating unit 5 to control.
Principle of work of the present utility model:
According to Fig. 2, shown in Figure 3, first with temperature controlled gas test sample pond 7, temperature control gas transmission conduit 4 each parts, require processing and fabricating according to design drawing, installing to adjust becomes combiner.Design and produce or purchase the attemperating unit 5 of finished product, require the data output interface of attemperating unit 5 directly to be connected with computing machine, and control that temperature range is the highest is not less than 600 ℃.
First in Fourier transformation infrared spectrometer 6, temperature controlled gas test sample pond 7 is adjusted in installation, the assurance Infrared is passed from body 14 centers, rust steel cylindraceous pond, again an end of temperature control gas transmission conduit 4 is connected with bite type stainless steel joint for pipeline 2 with temperature controlled gas test sample pond 7 draft tube joints, the other end is connected with high temperature resistant connecting hose 3 and bite type stainless steel joint for pipeline 2 with the escape pipe joint of simultaneous thermal analysis instrument 1, and supports temperature control gas transmission catheter combination 4 fixing.
The first armoured thermocouple 8 be connected armoured thermocouple 21, spiral electric heating tube 12, gas transmission electrosurgical catheter heating tube 18 and all be connected with attemperating unit 5 by signal wire.Rechecking determine errorless after, can after reaching design temperature, can carry out normal test operation to analytical instrument to temperature control gas transmission conduit 4, temperature controlled gas test sample pond 7 preheating that heats up, realize the effect of on-line analysis test.
Simultaneous thermal analysis instrument 1 is when specimen, the pyrolysis gas of overflowing is known from experience by carrier gas and is continuously sent in the stainless steel pond body 14 in temperature controlled gas test sample pond 7 by temperature control air delivering pipeline 4, the infrared waves that was penetrated infrared light transmission window 11 at stainless steel pond body between 14 interior demurrages carries out continual continuous detecting analysis, and then be output and carry out next step link, send other analytical instrument to and detect and analyze or emptying bleeding off.
Carry the pyrolysis gas process in carrier gas, the temperature in temperature control air delivering pipeline 4 and temperature controlled gas test sample pond 7, under the monitoring of the first armoured thermocouple 8, the second armoured thermocouple 21 and attemperating unit 5, all the time be controlled in the temperature range that sets, be beneficial to pyrolysis gas unimpeded, condensation can not occur, improve and detect quality and the accuracy of analyzing data.
By changing the different control temperature of stainless steel pond body 14, just can detect and analyze the composition variation of pyrolysis gas under different temperatures, the heating-up temperature of stainless steel pond body 14 reaches as high as 500 ℃.
Detection mode of the present utility model is for the Polymer-pyrolysis gas that is easy at normal temperatures solidify, not only very simple and effective, but also can be in temperature-control range, the temperature that random setup control test analysis needs is convenient to the changing condition that dynamic continuous detecting pyrolysis gas composition rises or descends along with temperature.
Use connecting between the analytical and testing instrument of the universal coupling arrangement of the utility model temperature controlled gas infrared analysis and other types, test analysis, connect between two or many in synchronous thermal analyzer 1, Fourier transformation infrared spectrometer 6, gas chromatograph, mass spectrometer, its principle is identical with the using method foregoing.What wherein, connect each instrument is all with temperature control gas transmission conduit 4 of the present utility model.
Certainly, above-mentioned explanation is not to be to restriction of the present utility model, and the utility model is not limited to above-mentioned giving an example; those skilled in the art; in essential scope of the present utility model, the variation of making, remodeling, interpolation or replacement all should belong to protection domain of the present utility model.
Claims (9)
1. universal coupling arrangement of temperature controlled gas infrared analysis, comprise gas test sample pond and pipe line joint device, on the pond body in described gas test sample pond, draft tube joint and escape pipe joint are set, it is characterized in that, described gas test sample pond is the temperature controlled gas test sample pond with stainless steel pond body; Described pipe line joint device comprises the pipe adapter that temperature control gas transmission conduit and two ends thereof connect; Described temperature controlled gas test sample pond and temperature control gas transmission conduit arrange respectively heating element, temperature element and configure an attemperating unit, and described temperature element is connected with described attemperating unit by signal wire respectively.
2. according to the universal coupling arrangement of temperature controlled gas infrared analysis claimed in claim 1, it is characterized in that, heating element on described temperature controlled gas test sample pond is to be wrapped in the external spiral electric heating tube in stainless steel pond, temperature element on described temperature controlled gas test sample pond is to be arranged on the first external armoured thermocouple of stainless steel pond, the external coating insulation material in described stainless steel pond and stainless steel outer cover; Be the stainless steel tubule in described temperature control gas transmission conduit; Described stainless steel tubule two ends connect described pipe adapter; The supravasal temperature element of described temperature control gas transmission is the gas transmission electrosurgical catheter heating tube that binds together with described stainless steel tubule; Described stainless steel tubule and gas transmission electrosurgical catheter heating tube outer cladding insulation material; Described temperature control gas transmission conduit outermost layer stainless steel outer tube fixed closed; Be provided with the cylinder boss that has tapped through hole in the middle of on the stainless steel outer tube; Mounting pipe straight coupling on described cylinder boss; The supravasal temperature element of described temperature control gas transmission is the second armoured thermocouple that is arranged on described tubular configured joint.
3. according to the universal coupling arrangement of the described temperature controlled gas infrared analysis of claim 1 or 2, it is characterized in that, described temperature controlled gas test sample pond comprise tubular stainless steel pond body, two infrared light transmission windows, connect bracing frame, connecting screw rod, two infrared light transmission windows are fixed on the two ends of described stainless steel pond body by connecting bracing frame and connecting screw rod.
4. according to the universal coupling arrangement of temperature controlled gas infrared analysis claimed in claim 2, it is characterized in that, described stainless steel tubule and gas transmission electrosurgical catheter heating tube shape are coincide, and both abut against together.
5. according to the universal coupling arrangement of temperature controlled gas infrared analysis claimed in claim 3, it is characterized in that, described stainless steel tubule and gas transmission electrosurgical catheter heating tube shape are coincide, and both abut against together.
6. according to the universal coupling arrangement of the described temperature controlled gas infrared analysis of claim 1 or 2, it is characterized in that, described temperature control gas transmission conduit is L shaped, C shape or n shape.
7. according to the universal coupling arrangement of temperature controlled gas infrared analysis claimed in claim 5, it is characterized in that, described temperature control gas transmission conduit is L shaped, C shape or n shape.
8. according to the universal coupling arrangement of the described temperature controlled gas infrared analysis of claim 1 or 2, it is characterized in that, described pipe adapter adopts international bite type stainless steel joint for pipeline, and described stainless steel tubule adopts the stainless steel tubule of normal diameter specification series.
9. according to the universal coupling arrangement of temperature controlled gas infrared analysis claimed in claim 7, it is characterized in that, described pipe adapter adopts international bite type stainless steel joint for pipeline, and described stainless steel tubule adopts the stainless steel tubule of normal diameter specification series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320218314.XU CN203259460U (en) | 2013-04-26 | 2013-04-26 | Universal coupling device for infrared analysis of temperature-controlled gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320218314.XU CN203259460U (en) | 2013-04-26 | 2013-04-26 | Universal coupling device for infrared analysis of temperature-controlled gas |
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| CN203259460U true CN203259460U (en) | 2013-10-30 |
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| CN201320218314.XU Expired - Lifetime CN203259460U (en) | 2013-04-26 | 2013-04-26 | Universal coupling device for infrared analysis of temperature-controlled gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234908A (en) * | 2013-04-26 | 2013-08-07 | 青岛科技大学 | General-purpose connecting device for temperature control gas infrared analysis |
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2013
- 2013-04-26 CN CN201320218314.XU patent/CN203259460U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234908A (en) * | 2013-04-26 | 2013-08-07 | 青岛科技大学 | General-purpose connecting device for temperature control gas infrared analysis |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131030 Effective date of abandoning: 20150107 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131030 Effective date of abandoning: 20150107 |
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| RGAV | Abandon patent right to avoid regrant |