CN205484225U - Gas chromatograph convenient to judge and block up position - Google Patents
Gas chromatograph convenient to judge and block up position Download PDFInfo
- Publication number
- CN205484225U CN205484225U CN201620205225.5U CN201620205225U CN205484225U CN 205484225 U CN205484225 U CN 205484225U CN 201620205225 U CN201620205225 U CN 201620205225U CN 205484225 U CN205484225 U CN 205484225U
- Authority
- CN
- China
- Prior art keywords
- gas
- chromatograph
- pressure gauge
- injection port
- pressure
- 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 gas chromatograph convenient to judge and block up position, including being provided with the introduction port, going out kind chromatograph body of mouth, the inlet end of introduction port is connected to the air supply that awaits measuring, the gas that the air supply provided that awaits measuring passes through in the introduction port entering chromatograph body, it is provided with first manometer to await measuring between air supply and the introduction port, the introduction port with the inside one end that links to each other of chromatograph body is provided with the second manometer, the dial plate of first manometer, second manometer all is located chromatograph body outside. The utility model provides a gas chromatograph convenient to judge and block up position to need the problem at investigation jam position one by one when gas chromatograph blocks up among the solution prior art, the realization is quick, the purpose of blockking up the position is judged to the efficient.
Description
Technical field
This utility model relates to gas analyzing apparatus field, relates in particular to a kind of gas chromatograph being easy to judge blocking position.
Background technology
Gas chromatograph is a kind of instrument that each component in mixed gas is analyzed detection, is widely used in fields such as oil, chemical industry, biochemistry, medical and health, food industry, environmental protection.It is except in addition to qualitatively and quantitatively analyzing, moreover it is possible to measure sample at physicochemical constants such as fixing partition coefficient, activity coefficient, molecular weight and the specific surface areas gone up mutually.Chromatograph utilizes chromatographic column first to be separated by mixture, then utilizes detector to detect separated component out successively.A diameter of several millimeters of chromatographic column, is wherein filled with solid absorbent or liquid flux, and the adsorbent filled or solvent are referred to as fixing phase.With a fixing mutually corresponding also flowing phase.Flowing is a kind of gas not reacted with sample and fixing phase mutually, generally nitrogen or hydrogen.The sample being analysed to injects flowing phase on chromatographic column top, flows and enters chromatographic column with sample, therefore flowing is also called carrier gas mutually.Gas chromatograph is the separation of a kind of many mixture, analytical tool, and it is with gas for flowing phase, uses the Column chromatography techniques of irrigation.When the analysis material of many components enters into chromatographic column, owing to the partition coefficient between each component gas phase in the chromatography column with fixative liquid phase is different, therefore each component is also the most different in the speed of service of chromatographic column, after certain column length, order is left chromatographic column and is entered detector, be converted to the signal of telecommunication the most afterwards and deliver to data processing stations, thus complete the qualitative and quantitative analysis to measured matter.
In prior art, gas chromatograph detects signal after the most often there is sample introduction and is not changed in, and Chromatogram display occurs without peak value, and output is still the situation of straight line.Mostly this kind of situation is owing to chromatographic injection port or outlet somewhere block and cause, and user needs all to check the place that may block one by one, and intricate operation, inefficiency, failure recovery time is longer.
Utility model content
This utility model provides a kind of gas chromatograph being easy to judge blocking position, the problem needing to investigate block part one by one during to solve gas chromatograph blocking in prior art, it is achieved judge the purpose of blocking position fast and efficiently.
This utility model is achieved through the following technical solutions:
A kind of gas chromatograph being easy to judge blocking position, including the chromatograph body being provided with injection port, outlet, the inlet end of described injection port is connected to source of the gas to be measured, the gas that described source of the gas to be measured is provided enters in chromatograph body by injection port, it is provided with the first Pressure gauge between described source of the gas to be measured and injection port, one end that described injection port is connected with described chromatograph body interior is provided with the second Pressure gauge, and described first Pressure gauge, the second manometric dial plate are respectively positioned on chromatograph body exterior.Needing to investigate one by one the problem of block part in prior art during gas chromatograph blocking, this utility model provides a kind of gas chromatograph being easy to judge blocking position.Described injection port, outlet may be contained within chromatograph body surface, and source of the gas to be measured is connected with injection port, need the gas analyzing detection to enter the inside of chromatograph body from injection port, discharge from outlet after completing chromatography.Described source of the gas to be measured includes gas bomb, the sample pin commonly used, it is also possible to for the gas extraction system etc. of gas generating unit.Described chromatograph body outer surface is provided with two Pressure gauges, wherein, first Pressure gauge is connected between source of the gas to be measured and injection port, second Pressure gauge is connected to one end that injection port is connected with chromatograph body interior, i.e. first gauge measurement is the pressure of injection port air inlet front end, and the second gauge measurement is the pressure of injection port rear end.This utility model is during normal use at ordinary times, and user can record two manometric pressure and substantially fluctuation range, the reference passed judgment on for fault thereof.If Chromatogram display does not has peak value, the problem of chromatograph blocking after occurring being passed through gas to be measured, then observe the now pressure condition shown in two Pressure gauges.Owing under normal circumstances, injection port both sides are in complete connected state, gas source feed constant airspeed to be measured, and outlet exhaust velocity is constant, and therefore injection port pressure at both sides value is the most identical, and pressure shown in the i.e. first Pressure gauge and the second Pressure gauge should be identical.If injection port blocks, due to gas source feed constant airspeed, so injection port front end air pressure raises, pressure shown in the first Pressure gauge then can be higher than force value during normal use, and more than shown in the second Pressure gauge；If outlet blocks, exhaust velocity is less than supply speed, then this utility model entirety air pressure raises, pressure shown in first Pressure gauge, the second Pressure gauge is identical, but it is above the force value under normal use at ordinary times, now carrier gas in the gas circuit within chromatograph cannot proper flow, sample gas the most just cannot be downloaded to chromatographic column and detector, therefore occur being displayed without the situation of peak value.Therefore two manometric force value are observed according to said method, can tentatively judge block part, injection port or outlet are overhauled accordingly, if injection port or outlet check without blocking, considers further that whether taking gas chromatograph body apart checks internal chromatographic column and the gas circuit of detector.Generally, at injection port, be both provided with filter screen, so the blocking probability of gas chromatograph body interior is less, blocking be to occur at more can with the injection port of extraneous contact, outlet two at.Therefore, this utility model can help user to judge the stopping state of injection port, outlet fast and efficiently, it is simple to overhauls in time.
Preferably, described first Pressure gauge, the second Pressure gauge are pressure transmitter.Pressure transmitter refers to be output as the pressure transducer of standard signal, is that a kind of pressure variations that accepts is converted to the instrument of standard output signals in proportion.The physical pressure parameters such as gas that load cell can be experienced by it, liquid are transformed into the signal of telecommunication of standard, it is simple to be connected with other alarm devices by this utility model.Meanwhile, pressure transmitter has display screen, it is simple to intuitively read atmospheric pressure value.
Further, described chromatograph body outer surface is additionally provided with the first warning light, the second warning light, control module, described first Pressure gauge, the second manometric signal are delivered to described control module, and described control module is connected with described first warning light, the second warning light respectively.First Pressure gauge, the second Pressure gauge described herein are above-mentioned pressure transmitter, and atmospheric pressure value when being preset with normal use in described control module is interval.If the force value that the first Pressure gauge is transmitted is more than preset pressure value, control module controls the first warning light and lights；If the force value that the second Pressure gauge is transmitted is more than preset pressure value, control module controls the second warning light and lights；If the force value that two Pressure gauges are transmitted is both greater than preset pressure value, then control module controls two warning lights and all lights.Point out user chromatograph internal gas flow the most smooth with this, it is to avoid user is careless and inadvertent, lose time to carry out chromatography.
Further, the outer end of described outlet has been tightly connected Drexel bottle, is filled with adsorbing material in described Drexel bottle.By the Drexel bottle equipped with adsorbing material, outlet expellant gas is carried out filtration treatment, discharges the most again or reclaim, reduce the impurity discharged in gas.
This utility model compared with prior art, has such advantages as and beneficial effect:
1, a kind of gas chromatograph being easy to judge blocking position of this utility model, by arranging the first Pressure gauge between source of the gas to be measured and injection port, the one end being connected with chromatograph body interior at injection port arranges the second Pressure gauge, when utilizing diverse location to block, the Pressure gauge show value that numerical value difference shown in two Pressure gauges and chromatograph are recorded when normally working, thus help user to judge concrete blocking position, it is simple to overhaul in time；
2, a kind of gas chromatograph being easy to judge blocking position of this utility model, described first Pressure gauge, second Pressure gauge all uses pressure transmitter, it is additionally provided with the first warning light at chromatograph body outer surface, second warning light, control module, described first Pressure gauge, second manometric signal is delivered to described control module, described control module respectively with described first warning light, second warning light is connected, the automatic alarm of chromatograph blocking is realized with this, prompting user chromatograph internal gas flow is the most smooth, avoid user careless and inadvertent, lose time to carry out chromatography.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by this utility model embodiment, constitutes the part of the application, is not intended that the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural representation of one specific embodiment of this utility model；
Fig. 2 is the structural representation of another specific embodiment of this utility model.
Wherein: 1-chromatograph body, 2-injection port, 3-outlet, 4-source of the gas to be measured, 5-the first Pressure gauge, 6-the second Pressure gauge, 7-the first warning light, 8-the second warning light, 9-control module, 10-Drexel bottle.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only used for explaining this utility model, are not intended as restriction of the present utility model.
Embodiment 1:
A kind of gas chromatograph being easy to judge blocking position as shown in Figure 1, including the chromatograph body 1 being provided with injection port 2, outlet 3, the inlet end of described injection port 2 is connected to source of the gas 4 to be measured, the gas that described source of the gas to be measured 4 is provided enters in chromatograph body 1 by injection port 2, the first Pressure gauge 5 it is provided with between described source of the gas to be measured 4 and injection port 2, described injection port 2 one end of being connected internal with described chromatograph body 1 is provided with the second Pressure gauge 6, and it is outside that the dial plate of described first Pressure gauge the 5, second Pressure gauge 6 is respectively positioned on chromatograph body 1.This utility model at ordinary times normal use during, user then records two manometric pressure and substantially fluctuation range thereof.If Chromatogram display does not has peak value, the problem of chromatograph blocking after occurring being passed through gas to be measured, then observe the now pressure condition shown in two Pressure gauges.If injection port 2 blocks, due to gas source feed constant airspeed, so injection port 2 front end air pressure raises, pressure shown in the first Pressure gauge 5 then higher than force value during normal use, and can be more than shown in the second Pressure gauge 6；If outlet 3 blocks, exhaust velocity is less than supply speed, then this utility model entirety air pressure raises, pressure shown in first Pressure gauge the 5, second Pressure gauge 6 is identical, but it is above the force value under normal use at ordinary times, now carrier gas in the gas circuit within chromatograph cannot proper flow, sample gas the most just cannot be downloaded to chromatographic column and detector, therefore occur being displayed without the situation of peak value.Therefore two manometric force value are observed according to said method, can tentatively judge block part, injection port 2 or outlet 3 are overhauled accordingly, if injection port 2 or outlet 3 check without blocking, considers further that whether taking gas chromatograph body 1 apart checks internal chromatographic column and the gas circuit of detector.Embodiment 2:
A kind of gas chromatograph being easy to judge blocking position as shown in Figure 2, on the basis of embodiment 1, described first Pressure gauge the 5, second Pressure gauge 6 is pressure transmitter；The housing upper surface of described chromatograph body 1 is additionally provided with first warning light the 7, second warning light 8, control module 9, the signal of described first Pressure gauge the 5, second Pressure gauge 6 is delivered to described control module 9, and described control module 9 is connected with described first warning light the 7, second warning light 8 respectively；The outer end of described outlet 3 has been tightly connected Drexel bottle 10, is filled with adsorbing material in described Drexel bottle 10.Atmospheric pressure value when being preset with normal use in described control module 9 is interval.If the force value that the first Pressure gauge 5 is transmitted is more than preset pressure value, control module 9 controls the first warning light 7 and lights；If the force value that the second Pressure gauge 6 is transmitted is more than preset pressure value, control module 9 controls the second warning light 8 and lights；If the force value that two Pressure gauges are transmitted is both greater than preset pressure value, then control module 9 controls two warning lights and all lights.Point out user chromatograph body 1 internal gas flow the most smooth with this, it is to avoid user is careless and inadvertent, lose time to carry out chromatography.Additionally, by the Drexel bottle 10 equipped with adsorbing material, outlet 3 expellant gas is carried out filtration treatment, discharges the most again or reclaim, reduce the impurity discharged in gas.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only detailed description of the invention of the present utility model; it is not used to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (4)
1. the gas chromatograph being easy to judge blocking position, including being provided with injection port (2), the chromatograph body (1) of outlet (3), the inlet end of described injection port (2) is connected to source of the gas to be measured (4), the gas that described source of the gas to be measured (4) is provided enters in chromatograph body (1) by injection port (2), it is characterized in that: between described source of the gas to be measured (4) and injection port (2), be provided with the first Pressure gauge (5), described injection port (2) one end of being connected internal with described chromatograph body (1) is provided with the second Pressure gauge (6), described first Pressure gauge (5), it is outside that the dial plate of the second Pressure gauge (6) is respectively positioned on chromatograph body (1).
A kind of gas chromatograph being easy to judge blocking position the most according to claim 1, it is characterised in that: described first Pressure gauge (5), the second Pressure gauge (6) are pressure transmitter.
A kind of gas chromatograph being easy to judge blocking position the most according to claim 2, it is characterized in that: described chromatograph body (1) outer surface is additionally provided with the first warning light (7), the second warning light (8), control module (9), described first Pressure gauge (5), the signal of the second Pressure gauge (6) are delivered to described control module (9), and described control module (9) is connected with described first warning light (7), the second warning light (8) respectively.
A kind of gas chromatograph being easy to judge blocking position the most according to any one of claim 1 to 3, it is characterised in that: the outer end of described outlet (3) has been tightly connected Drexel bottle (10), and described Drexel bottle is filled with adsorbing material in (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205225.5U CN205484225U (en) | 2016-03-17 | 2016-03-17 | Gas chromatograph convenient to judge and block up position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205225.5U CN205484225U (en) | 2016-03-17 | 2016-03-17 | Gas chromatograph convenient to judge and block up position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484225U true CN205484225U (en) | 2016-08-17 |
Family
ID=56653226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620205225.5U Expired - Fee Related CN205484225U (en) | 2016-03-17 | 2016-03-17 | Gas chromatograph convenient to judge and block up position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675764A (en) * | 2016-03-17 | 2016-06-15 | 成都创源油气技术开发有限公司 | Gas chromatograph for monitoring blocking condition |
-
2016
- 2016-03-17 CN CN201620205225.5U patent/CN205484225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675764A (en) * | 2016-03-17 | 2016-06-15 | 成都创源油气技术开发有限公司 | Gas chromatograph for monitoring blocking condition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10241096B2 (en) | Non-methane total hydrocarbons analysis apparatus and method for the same | |
| CN205263040U (en) | Gas chromatograph appearance and gaseous sampling device thereof | |
| CN202153220U (en) | NMHC (nonmethane hydrocarbons) measurement gas chromatograph | |
| CN101923098B (en) | Continuous on-line analysis device of benzene, total hydrocarbons, methane and CO in carbon dioxide | |
| CN204027852U (en) | Sampling system, steam sampling system, sampler, gas chromatography system and external member | |
| CN106461592B (en) | Gas component concentration measuring apparatus and method for measuring gas component concentration | |
| EP2300816A1 (en) | Handheld gas analysis systems for point-of-care medical applications | |
| CN202330380U (en) | Gas chromatograph for non-methane hydrocarbon measurement | |
| CN101382513A (en) | Self-calibrating trace gas sensor | |
| CN101762653B (en) | Method for determining main phenolic compounds in main stream smoke of cigarette | |
| CN1979172B (en) | Gas analyzing method | |
| CN206450641U (en) | A kind of detector of sulfur hexafluoride decomposition product | |
| CN107389816A (en) | Gases Dissolved in Transformer Oil on-Line Monitor Device detecting system self-checking device | |
| CN102445508B (en) | Helium ion gas chromatograph and use method thereof | |
| CN108490092A (en) | A kind of gas detecting system | |
| EP0157160A1 (en) | Electrolytic conductivity detector | |
| CN105675764A (en) | Gas chromatograph for monitoring blocking condition | |
| CN205484225U (en) | Gas chromatograph convenient to judge and block up position | |
| CN202305489U (en) | Chromatographic instrument for detecting failure of SF6 electric equipment | |
| CN201765237U (en) | Continuous online analysis device for analyzing benzene, total hydrocarbons, methane and carbon monoxide in carbon dioxide | |
| CN201034987Y (en) | Gas chromatograph gas analysis twice sample introduction device | |
| CN105510503A (en) | Analysis device and method of electronic-grade chlorine gas | |
| CN207964744U (en) | Monitoring system for liquid chromatographic system | |
| CN208505985U (en) | A kind of gas detecting system | |
| CN103713055A (en) | High-concentration substance detection device and method |
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: 20160817 Termination date: 20170317 |