CN105717236B - A kind of novel constant-temperature gas phase survey spectrometer - Google Patents
A kind of novel constant-temperature gas phase survey spectrometer Download PDFInfo
- Publication number
- CN105717236B CN105717236B CN201610212629.1A CN201610212629A CN105717236B CN 105717236 B CN105717236 B CN 105717236B CN 201610212629 A CN201610212629 A CN 201610212629A CN 105717236 B CN105717236 B CN 105717236B
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- gas
- piston
- gas collection
- spectrometer
- collection piston
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N2030/022—Column chromatography characterised by the kind of separation mechanism
- G01N2030/025—Gas chromatography
Abstract
The invention discloses a kind of novel constant-temperature gas phases to survey spectrometer, small gas collection piston is connected by gas-guide tube with test bottle, big gas collection piston is connected by ten-way valve with small gas collection piston, air inlet is provided on big gas collection piston, air inlet surveys spectrometer with gas phase by gas-guide tube and is connected, pressure sensor is provided in small gas collection piston, electrically operated valve is provided in big gas collection piston and small gas collection piston, pressure sensor, gas phase surveys spectrometer, electrically operated valve passes through conducting wire and is connected with computer, the present invention can m- pressure curve by pressure change in built-in pressure inductor real-time monitoring gas collection piston and when being generated by computer, also the Push And Release of electrically operated valve can be controlled by computer to control the amount that gas passes through, by insulating box, test bottle is surveyed spectrometer with gas phase and is directly connected, solves previous operating process trouble, and reduce error, Enable to the gas collected more accurate.
Description
Technical field
The invention belongs to gas phases to survey spectral technology field, survey spectrometer more particularly, to a kind of novel constant-temperature gas phase.
Background technique
Gas phase survey spectrometer petroleum, chemical industry, biochemistry, medical and health, food industry, in terms of application it is very wide.
It is in addition to for qualitatively and quantitatively analyzing, moreover it is possible to measure distribution coefficient, activity coefficient, molecular weight and ratio of the sample in stationary phase
The physicochemical constants such as surface area.In general, gas phase survey spectrometer do not require nothing more than pure carrier gas, good leak tightness, flow speed stability and
Flow velocity measurement is accurate, and requires good constant temperature effect, and still, current gas phase surveys spectrometer operating process trouble, accidentally
Difference is larger, and constant temperature effect is also unsatisfactory, and measurement accuracy is also relatively low, is not able to satisfy the requirement of high-precision, high constant temperature.
Summary of the invention
Present invention problem in view of the prior art provides a kind of novel constant-temperature gas phase and surveys spectrometer, can more quickly, conveniently
Realization gas molybdenum determination, good constant temperature effect can be reached, the effective requirement for meeting high-precision, constant temperature can be by interior
M- pressure curve, can also pass through computer when setting pressure change in pressure inductor real-time monitoring gas collection piston and being generated by computer
The Push And Release of electrically operated valve is controlled to control the amount that gas passes through, insulating box, test bottle and gas phase survey spectrometer have directly been contacted
Come, solve previous operating process trouble, and reduce error, enable to the gas collected more accurate, data are also more
Accurately, pressure-time curve can be shown by computer, gas yield is judged by pressure increment value.
To achieve the above object, the invention provides the following technical scheme: a kind of novel constant-temperature gas phase surveys spectrometer comprising shell
Body and setting are in the intracorporal big gas collection piston of shell, small gas collection piston, ten-way valve, gas phase survey spectrometer, test bottle and computer, feature
It is, the small gas collection piston is connected by gas-guide tube with test bottle, and big gas collection piston passes through the ten-way valve and little Ji
Gas piston is connected, and air inlet is provided on the big gas collection piston, and the air inlet surveys spectrometer phase by gas-guide tube and gas phase
It connects, is provided with pressure sensor in the small gas collection piston, is provided in the big gas collection piston and small gas collection piston electronic
Valve, the pressure sensor, gas phase survey spectrometer, electrically operated valve passes through conducting wire and is connected with computer.
Further, preferably, being provided with thermal-insulating body in the shell, incubator is provided on the thermal-insulating body
Door, the test bottle are arranged in the thermal-insulating body, are provided with temperature sensor and heater in the thermal-insulating body.
Further, preferably, the big gas collection piston and small gas collection piston include piston only, one-way cock, pressure
Force snesor and piston, wherein the piston is arranged in the piston only, and gas-guide tube is communicated on the piston, described
The one end connecting on gas-guide tube with piston is provided with the electrically operated valve, and pressure sensor, the work are provided on the piston
Also gas-guide tube is connected in plug body, and the end for the gas-guide tube connecting with piston only is provided with the one-way cock.
Further, preferably, the invention also includes being arranged in the intracorporal heat-insulating shield of shell, and the heat-insulating shield is arranged in institute
It states between small gas collection piston and test bottle.
Further, preferably, the big gas collection piston and gas phase, which are surveyed between spectrometer, is also equipped with heat-insulating shield.
Further, preferably, the gas phase, which is surveyed in spectrometer, is provided with gas molecule detector.
Further, preferably, the outside of shell is provided with temperature setting knob, temperature display, power switch, electronic
Valve switch and parameter display screen.
Further, preferably, the small gas collection piston and test bottle are multiple, and each small gas collection piston is equal
A test bottle is connected, the big gas collection piston is connected to by ten-way valve with each small gas collection piston.
Further, preferably, pressure can be respectively by respective pressure display unit and pressure regulator list in small gas collection piston
Solely control
Compared with prior art, the beneficial effects of the present invention are:
A kind of novel constant-temperature gas phase provided by the invention surveys spectrometer, more can fast, easily realize gas molybdenum determination,
Good constant temperature effect can be reached, the effective requirement for meeting high-precision, constant temperature can be supervised in real time by built-in pressure inductor
Survey pressure change and while being generated by computer m- pressure curve in gas collection piston, can also be controlled by computer electrically operated valve open with
It closes to control the amount that gas passes through, insulating box, test bottle and gas phase survey spectrometer is directly connected, solves and operated in the past
Journey trouble, and error is reduced, enable to the gas collected more accurate, data are also more accurate, can be aobvious by computer
Pressure-time curve is shown, gas yield is judged by pressure increment value, ten small gas collection piston is connected on ten-way valve,
It is connected respectively by gas-guide tube with ten test bottles, has the characteristics that in high volume to test, heat-insulating shield is equipped in incubator, absolutely
Hot plate upper space reduces influence of the temperature to gas volume is collected not in heater sphere of action.
Detailed description of the invention
Fig. 1 is the perspective view that the constant temperature gas phase surveys spectrometer；
Fig. 2 is the front view that the constant temperature gas phase surveys spectrometer；
Fig. 3 is the sectional view that the constant temperature gas phase surveys spectrometer；
Fig. 4 is the gas collection structure chart that the constant temperature gas phase surveys spectrometer；
Fig. 5 is the gas collection piston enlarged drawing that the constant temperature gas phase surveys spectrometer；
Wherein, 1- shell, 2- keep the temperature chamber door, 3- thermal-insulating body, 4- heater, 5- temperature sensor, the rotation of 6- temperature setting
Button, 7- temperature display, 8- power switch, 9- test bottle, 10 gas-guide tubes, the small gas collection piston of 11-, 12- one-way cock, 13- pressure
Force snesor, 14- gas flowmeter, 15- electrically operated valve switch, 16- electrically operated valve, 17- ten-way valve, 18- heat-insulating shield, 19- are big
Gas collection piston, 191- piston, 20- air inlet, 21- gas phase survey spectrometer, 211- gas molecule detector, 212- parameter display screen,
22- computer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of novel constant-temperature gas phase survey spectrometer comprising shell 1
With big gas collection piston 19, small gas collection piston 11, ten-way valve 17, gas phase survey spectrometer 21, test bottle 9 and the electricity being arranged in shell 1
Brain 22, which is characterized in that the small gas collection piston 11 is connected by gas-guide tube 10 with test bottle 9, and big gas collection piston 19 is logical
It crosses the ten-way valve to be connected with small gas collection piston, air inlet 20, the air inlet 20 is provided on the big gas collection piston 19
Spectrometer 21 is surveyed with gas phase by gas-guide tube 10 to be connected, and pressure sensor 13 is provided in the small gas collection piston 11, it is described big
It is provided with electrically operated valve 16 in gas collection piston 19 and small gas collection piston 11, the pressure sensor 13, gas phase survey spectrometer 21, electronic
Valve 16 is connected by conducting wire with computer 22.
In the present embodiment, it is provided with thermal-insulating body in the shell, heat preservation chamber door, institute are provided on the thermal-insulating body
It states test bottle to be arranged in the thermal-insulating body, is provided with temperature sensor and heater in the thermal-insulating body.
Wherein, as shown in figure 5, the big gas collection piston 19 and small gas collection piston 11 include piston only, one-way cock
12, pressure sensor 13 and piston 191, wherein the piston 191 is arranged in the piston only, connects on the piston 191
It is connected with gas-guide tube 10, the one end connecting on the gas-guide tube 10 with piston 191 is provided with the electrically operated valve 16, the piston
It is provided with pressure sensor 13 on 191, gas-guide tube 10, and the air guide connecting with piston only are also connected on the piston only
The end of pipe 10 is provided with the one-way cock 12, gas can only by test bottle by gas-guide tube enter small gas collection piston without
It can reflux.
In addition, as shown in figure 3, the invention also includes be arranged in the intracorporal heat-insulating shield 18 of shell, and the setting of the heat-insulating shield 18
Between the small gas collection piston 11 and test bottle 9.The big gas collection piston 19 and gas phase, which are surveyed between spectrometer 21, to be also equipped with absolutely
Hot plate 18.The gas phase is surveyed in spectrometer 21 and is provided with gas molecule detector 211.As shown in Figs. 1-2, the external setting of shell 1
There are temperature setting knob 6, temperature display 7, power switch 8, electrically operated valve switch 15 and parameter display screen 212.The small collection
Gas piston and test bottle are multiple, and each small gas collection piston 11 is all connected with a test bottle 9, the big gas collection piston
19 are connected to by ten-way valve with each small gas collection piston 11.Pressure can be respectively by respective pressure display unit and pressure in small gas collection piston
Draught control mechanism individually controls.
Constant temperature gas phase of the invention surveys the application method of spectrometer are as follows:
(1) biological metabolism or chemical reaction solution are placed in test bottle first, it is real opens incubator goalkeeper
Bottle is tested to be tightly connected with gas-guide tube respectively；
(2) experimental temperature is adjusted to by temperature setting button, closes heat preservation chamber door；
(3) gas pressure generated in test bottle increases, and will be entered in small gas collection piston by check valve；
(4) in small gas collection piston pressure sensor monitoring pressure in real time value variation, and by computer show pressure-when
Half interval contour judges gas yield by pressure increment value；
(5) electrically operated valve in any one small gas collection piston, the motor-driven valve of other small gas collection pistons are opened in computer control
Door remains off, and a certain amount of gas is entered in the big gas collection piston being connected with ten-way valve by electrically operated valve, works as pressure
When show value reaches required gas flow, the electrically operated valve in small gas collection piston is closed in computer control, and gas will not enter back into great Ji
In gas piston；
(6) gas chromatograph is opened, starts to measure gas component；
(7) electrically operated valve in big gas collection piston is opened, a certain amount of gas is all injected into gas chromatograph in piston
After interior, electrically operated valve is closed；
(8) gas chromatograph will detect gas component and its content automatically, and pass through computer record detection data；
(9) it if you need to measure gas yield and its constituent content in other test bottles, repeats above operation.
A kind of novel constant-temperature gas phase provided by the invention surveys spectrometer, more can fast, easily realize gas molybdenum determination,
Good constant temperature effect can be reached, the effective requirement for meeting high-precision, constant temperature can be supervised in real time by built-in pressure inductor
Survey pressure change and while being generated by computer m- pressure curve in gas collection piston, can also be controlled by computer electrically operated valve open with
It closes to control the amount that gas passes through, insulating box, test bottle and gas phase survey spectrometer is directly connected, solves and operated in the past
Journey trouble, and error is reduced, enable to the gas collected more accurate, data are also more accurate, can be aobvious by computer
Pressure-time curve is shown, gas yield is judged by pressure increment value, ten small gas collection piston is connected on ten-way valve,
It is connected respectively by gas-guide tube with ten test bottles, has the characteristics that in high volume to test, heat-insulating shield is equipped in incubator, absolutely
Hot plate upper space reduces influence of the temperature to gas volume is collected not in heater sphere of action, moreover, small gas collection is living
Pressure can be controlled individually by respective pressure display unit and pressure regulator respectively in filling in.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (1)
1. a kind of novel constant-temperature gas phase surveys spectrometer comprising shell and setting the intracorporal big gas collection piston of shell, small gas collection piston,
Ten-way valve, gas phase survey spectrometer, test bottle and computer, which is characterized in that the small gas collection piston passes through gas-guide tube and test bottle
It is connected, big gas collection piston is connected by the ten-way valve with small gas collection piston, is provided with air inlet on the big gas collection piston
Mouthful, the air inlet surveys spectrometer with gas phase by gas-guide tube and is connected, and is provided with pressure sensor in the small gas collection piston, institute
It states and is provided with electrically operated valve in big gas collection piston and small gas collection piston, the pressure sensor, gas phase survey spectrometer, electrically operated valve are equal
It is connected by conducting wire with computer；It is provided with thermal-insulating body in the shell, heat preservation chamber door, institute are provided on the thermal-insulating body
It states test bottle to be arranged in the thermal-insulating body, is provided with temperature sensor and heater in the thermal-insulating body；The big collection
Gas piston and small gas collection piston include piston only, one-way cock, pressure sensor and piston, wherein the piston setting
In the piston only, gas-guide tube is communicated on the piston, one end setting connecting on the gas-guide tube with piston is
State electrically operated valve, pressure sensor be provided on the piston, be also connected with gas-guide tube on the piston only, and with piston sheet
The end of the gas-guide tube of body connection is provided with the one-way cock；It further include being arranged in the intracorporal heat-insulating shield of shell, and the insulation
Plate is arranged between the small gas collection piston and test bottle；The big gas collection piston and gas phase are surveyed between spectrometer and are also equipped with insulation
Plate；The small gas collection piston and test bottle are multiple, and each small gas collection piston is all connected with a test bottle, described big
Gas collection piston is connected to by ten-way valve with each small gas collection piston, and the gas phase is surveyed in spectrometer and is provided with gas molecule detector；
The outside of shell is provided with temperature setting knob, temperature display, power switch, electrically operated valve switch and parameter display screen；It is small
Pressure is individually controlled by respective pressure display unit and pressure regulator respectively in gas collection piston；
M- pressure curve when being generated by pressure change in built-in pressure inductor real-time monitoring gas collection piston and by computer, also
The Push And Release of electrically operated valve can be controlled by computer to control the amount that gas passes through, insulating box, test bottle and gas phase are surveyed into spectrometer
Directly connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212629.1A CN105717236B (en) | 2016-04-06 | 2016-04-06 | A kind of novel constant-temperature gas phase survey spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212629.1A CN105717236B (en) | 2016-04-06 | 2016-04-06 | A kind of novel constant-temperature gas phase survey spectrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105717236A CN105717236A (en) | 2016-06-29 |
| CN105717236B true CN105717236B (en) | 2019-01-29 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2520508Y (en) * | 2002-02-07 | 2002-11-13 | 中国石油化工股份有限公司 | Multi-D gas chromatograph |
| CN201069441Y (en) * | 2007-06-26 | 2008-06-04 | 中国华北电力集团公司天津市电力公司 | Standard oil sample manufacturing device for online chromatogram monitoring system correcting the nuclear transformer insulation coil |
Family Cites Families (7)
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|---|---|---|---|---|
| US3842679A (en) * | 1973-03-05 | 1974-10-22 | Varian Associates | Automatic sampler apparatus of modular construction |
| JPH0552830A (en) * | 1991-08-29 | 1993-03-02 | Yokogawa Electric Corp | Process gas chromatograph |
| CA2624590C (en) * | 2005-10-06 | 2014-02-25 | Sgs Societe Generale De Surveillance S.A. | Compositional analysis of separated vapor and liquid phases using a gas chromatograph |
| CN102879506B (en) * | 2012-10-12 | 2014-07-16 | 中国工程物理研究院化工材料研究所 | Automatic gas sampling device and using method thereof |
| CN202974959U (en) * | 2012-11-26 | 2013-06-05 | 浙江泛泰仪器有限公司 | Full-automatic gas chromatography sample injector |
| CN105372349A (en) * | 2015-12-09 | 2016-03-02 | 南京华欣分析仪器制造有限公司 | Analysis instrument pneumatic multiport selector valve |
| CN205484227U (en) * | 2016-04-06 | 2016-08-17 | 河南理工大学 | Novel spectrometer is surveyed to constant temperature gaseous phase |
-
2016
- 2016-04-06 CN CN201610212629.1A patent/CN105717236B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2520508Y (en) * | 2002-02-07 | 2002-11-13 | 中国石油化工股份有限公司 | Multi-D gas chromatograph |
| CN201069441Y (en) * | 2007-06-26 | 2008-06-04 | 中国华北电力集团公司天津市电力公司 | Standard oil sample manufacturing device for online chromatogram monitoring system correcting the nuclear transformer insulation coil |
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Inventor after: Xia Daping Inventor after: Wang Xinyi Inventor after: Hou Bin Inventor after: Chen Shanlai Inventor after: Bai Yang Inventor after: Chen Xi Inventor after: Hou Junqi Inventor after: Duan Yu Inventor before: Xia Daping Inventor before: Liu Xile Inventor before: Hou Bin Inventor before: Chen Shanlai Inventor before: Bai Yang Inventor before: Chen Xi Inventor before: Hou Junqi Inventor before: Duan Yu |
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