CN204128953U - Auto injection gas phase molecular absorption spectrometer - Google Patents
Auto injection gas phase molecular absorption spectrometer Download PDFInfo
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- CN204128953U CN204128953U CN201420297057.8U CN201420297057U CN204128953U CN 204128953 U CN204128953 U CN 204128953U CN 201420297057 U CN201420297057 U CN 201420297057U CN 204128953 U CN204128953 U CN 204128953U
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- spectrometer
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- peristaltic pump
- auto injection
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Abstract
The utility model discloses a kind of auto injection gas phase molecular absorption spectrometer, belong to optic analytical instrument technical field.Its technical scheme comprises spectrometer housing, and be arranged on the reactor be sequentially communicated with of spectrometer enclosure interior, extinction pipe, monochromator, photomultiplier and information handling system, described reactor is connected with admission gear, described gas phase adsorption spectrometer also comprises a transmitted in both directions peristaltic pump, this transmitted in both directions peristaltic pump is arranged on the inside of spectrometer housing, and described transmitted in both directions peristaltic pump is used for auto injection.This technology is applicable to measure ammonia nitrogen, sulfide, kjeldahl nitrogen, total nitrogen, nitrate, nitrite, sulphite, chlorion and permanganate index, better increases work efficiency, and improves metering accuracy, and then improves the test accuracy of analytical instrument.
Description
Technical field
The utility model relates to optic analytical instrument technical field, especially relates to a kind of gas phase molecular absorption spectrometer that can realize auto injection.
Background technology
Gas-phase molecular absorption spectrometry method (hereinafter referred to as GPMAS) is that the relation of gas to the absorption intensity of light and measured component concentration resolved into based on tested composition carries out quantitative measurement in accordance with this principle of law of Beer, according to the difference of absorbing wavelength, also can determine tested composition and carry out qualitative analysis.Gas phase molecular absorption spectrometer is based on GPMAS principle, be gas by chemical reaction by the conversion to be measured in liquid phase sample, gas separated from liquid phase sample and is loaded into the content of measuring system mensurated gas composition, finally calculating the equipment of constituent concentration to be measured in sample.It is for measuring ammonia nitrogen, sulfide, kjeldahl nitrogen, total nitrogen, nitrate, nitrite, sulphite, chlorion, permanganate index.
China Patent No. is: 201210121247.X, a kind of Portable gas-phase molecular absorption spectrometer by name, it discloses so a kind of technical scheme, comprise sampling device, heating arrangement, gas-liquid separation device, drying device and pick-up unit, described pick-up unit comprises the sensor, detecting device, signal processing system, control system and the read-out system that connect successively, and described sensor is positioned at the gas delivery port place of described gas-liquid separation device.This technical scheme employing sensor substitutes flashlight power supply, line source lamp and lens combination in existing gas phase molecular absorption spectrometer pick-up unit, simplify the structure of pick-up unit, instrument production cost reduces, and be easy to carry, can detect the object under test of open air, instrument is applied widely.
But in above-mentioned analytical instrument, sample introduction and interpolation reagent are all manual hand manipulation usually.Manual interpolation had both taken the too many time and efforts of laboratory technician, again because the problems such as individual operant level easily cause larger experimental error.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of auto injection gas phase molecular absorption spectrometer, its objective is to better increase work efficiency, and improves metering accuracy, and then improves the test accuracy of analytical instrument.
In order to solve above-mentioned technical matters, basic technical scheme of the present utility model is: a kind of auto injection gas phase molecular absorption spectrometer, a kind of auto injection gas phase molecular absorption spectrometer, comprise spectrometer housing, and be arranged on the reactor be sequentially communicated with of spectrometer enclosure interior, extinction pipe, monochromator, photomultiplier and information handling system, described reactor is connected with admission gear, described gas phase adsorption spectrometer also comprises a transmitted in both directions peristaltic pump, this transmitted in both directions peristaltic pump is arranged on the inside of spectrometer housing, described transmitted in both directions peristaltic pump is used for auto injection.
In auto injection gas phase molecular absorption spectrometer described in the utility model, described transmitted in both directions peristaltic pump connects a driver, described driver connection control circuit.
In auto injection gas phase molecular absorption spectrometer described in the utility model, described driver is three stepper motors, and this stepper motor is connected with described transmitted in both directions peristaltic pump.
In auto injection gas phase molecular absorption spectrometer described in the utility model, described reactor is also connected with a waste liquid pool for collecting the waste liquid produced in described reactor.
In auto injection gas phase molecular absorption spectrometer described in the utility model, the top of described extinction pipe is connected with waste gas absorption pipe.
The beneficial effects of the utility model are: peristaltic pump self-priming sample introduction is used in gas phase molecular absorption spectrometer by auto injection gas phase molecular absorption spectrometer described in the utility model, give full play to that peristaltic pump is pollution-free, precision is high, good airproof performance, maintenance are simple, have the advantages such as two-way transmission capabilities, realize gas phase molecular absorption spectrometer from hand sampling to fast self-priming sample introduction.
Accompanying drawing explanation
The structural principle block diagram of the auto injection gas phase molecular absorption spectrometer that Fig. 1 is described in the utility model.
Embodiment
Be described further below with reference to accompanying drawing 1 pair of the utility model, but protection domain of the present utility model should do not limited with this.
For convenience of description and understand structure and the workflow of auto injection gas phase molecular absorption spectrometer described in the utility model, the present embodiment is together described in conjunction with the use procedure of this auto injection gas phase molecular absorption spectrometer and subsidiary device.
Contrast Fig. 1, the auto injection gas phase molecular absorption spectrometer of the utility model comprises spectrometer housing, and the reactor 10 be sequentially communicated with, extinction pipe 20, monochromator 30, photomultiplier 40 and information handling system 50, described reactor 10 is connected with admission gear 60, this gas phase adsorption spectrometer also comprises oxygenant bottle 70, reagent bottle 80 and sample trial jar 90, sample tube 901 is provided with in described sample trial jar 90, this sample tube 901 is respectively by the first flexible pipe 001, second flexible pipe 002 is communicated with described oxygenant bottle 70 and described reaction bulb 10, described first flexible pipe 001 and described second flexible pipe 002 are connected with a transmitted in both directions peristaltic pump 100, described reagent bottle 80 is provided with a sample introduction flexible pipe 801, described sample introduction flexible pipe 801 is communicated with the position between described transmitted in both directions peristaltic pump 100 and described sample tube 901 of the second described flexible pipe 002.Separately, the top of described extinction pipe 20 is communicated with waste gas absorption pipe 201, and described reaction bulb 10 is also connected with the toxic gas etc. that a waste liquid pool 101 produces for the reaction of collecting in reaction bulb 10.
It should be noted that, the first described flexible pipe 001 and described second flexible pipe 002 require to have good elasticity, wearing quality, impermeability and resistance to pressure.The transmission that described transmitted in both directions peristaltic pump 100 realizes between liquid by extruding the first flexible pipe 001 and the second flexible pipe 002.
The course of work:
Described transmitted in both directions peristaltic pump 100 reverses (in figure shown in arrow 1), extruding the first flexible pipe 001 is delivered in sample tube 901 by the oxygenant in oxygenant bottle 70, now transmitted in both directions peristaltic pump 100 rotates forward (in figure shown in arrow 2), extrude the second flexible pipe 002, the reagent now in the oxygenant in sample tube 901, the mixed liquor in sample trial jar 90 and reagent bottle 80 is transferred in reaction bulb 10; Now chemical reaction can occur in reaction bulb 10, produce gas to be measured, these gas transports to be measured are in extinction pipe 20, and the waste liquid wherein produced in reaction bulb 10 is drained in waste liquid pool 101; Gas to be measured is imaged on the entrance slit of monochromator 30 after the process of extinction pipe 20, light after monochromator 30 is separated enters into photomultiplier 40, photomultiplier 40 converts light signal to electric signal, and this signal enters information handling system 50 and processes after A/D conversion.Wherein, extinction pipe 20 is connected with waste gas absorption pipe 201 for absorbing the waste gas produced in extinction pipe 20.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (5)
1. an auto injection gas phase molecular absorption spectrometer, comprise spectrometer housing, and be arranged on the reactor be sequentially communicated with of spectrometer enclosure interior, extinction pipe, monochromator, photomultiplier and information handling system, described reactor is connected with admission gear, it is characterized in that: described gas phase adsorption spectrometer also comprises a transmitted in both directions peristaltic pump, this transmitted in both directions peristaltic pump is arranged on the inside of spectrometer housing, and described transmitted in both directions peristaltic pump is used for auto injection.
2. auto injection gas phase molecular absorption spectrometer as claimed in claim 1, is characterized in that: described transmitted in both directions peristaltic pump connects a driver, described driver connection control circuit.
3. auto injection gas phase molecular absorption spectrometer as claimed in claim 2, is characterized in that: described driver is three stepper motors, and this stepper motor is connected with described transmitted in both directions peristaltic pump.
4. auto injection gas phase molecular absorption spectrometer as claimed in claim 1, is characterized in that: described reactor is also connected with a waste liquid pool for collecting the waste liquid produced in described reactor.
5. auto injection gas phase molecular absorption spectrometer as claimed in claim 1, is characterized in that: the top of described extinction pipe is connected with waste gas absorption pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297057.8U CN204128953U (en) | 2014-06-06 | 2014-06-06 | Auto injection gas phase molecular absorption spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297057.8U CN204128953U (en) | 2014-06-06 | 2014-06-06 | Auto injection gas phase molecular absorption spectrometer |
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| Publication Number | Publication Date |
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| CN204128953U true CN204128953U (en) | 2015-01-28 |
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| CN201420297057.8U Active CN204128953U (en) | 2014-06-06 | 2014-06-06 | Auto injection gas phase molecular absorption spectrometer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203488A (en) * | 2015-09-22 | 2015-12-30 | 孙璐 | Method for testing permanganate index though gas phase molecular absorption spectroscopy |
| CN106996917A (en) * | 2017-03-15 | 2017-08-01 | 河钢股份有限公司承德分公司 | A kind of method of ammonia-nitrogen content in direct and quick determination vanadium production waste water |
| CN107782678A (en) * | 2016-08-25 | 2018-03-09 | 上海安杰环保科技股份有限公司 | A kind of Portable gas-phase molecular absorption spectrometer |
| CN107782677A (en) * | 2016-08-25 | 2018-03-09 | 上海安杰环保科技股份有限公司 | A kind of all-wave length gas phase molecular absorption spectrometer |
| CN108120690A (en) * | 2016-11-29 | 2018-06-05 | 上海安杰环保科技股份有限公司 | Gas phase molecular absorption spectrometer |
| CN110411966A (en) * | 2019-08-27 | 2019-11-05 | 北京东方安杰科技有限公司 | A kind of gas phase molecular absorption spectrometer with cleaning shut-off function |
-
2014
- 2014-06-06 CN CN201420297057.8U patent/CN204128953U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203488A (en) * | 2015-09-22 | 2015-12-30 | 孙璐 | Method for testing permanganate index though gas phase molecular absorption spectroscopy |
| CN107782678A (en) * | 2016-08-25 | 2018-03-09 | 上海安杰环保科技股份有限公司 | A kind of Portable gas-phase molecular absorption spectrometer |
| CN107782677A (en) * | 2016-08-25 | 2018-03-09 | 上海安杰环保科技股份有限公司 | A kind of all-wave length gas phase molecular absorption spectrometer |
| CN108120690A (en) * | 2016-11-29 | 2018-06-05 | 上海安杰环保科技股份有限公司 | Gas phase molecular absorption spectrometer |
| CN106996917A (en) * | 2017-03-15 | 2017-08-01 | 河钢股份有限公司承德分公司 | A kind of method of ammonia-nitrogen content in direct and quick determination vanadium production waste water |
| CN110411966A (en) * | 2019-08-27 | 2019-11-05 | 北京东方安杰科技有限公司 | A kind of gas phase molecular absorption spectrometer with cleaning shut-off function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING DONGFANG ANJIE ENVIRONMENTAL TECHNOLOGY CO Free format text: FORMER OWNER: SUN LU Effective date: 20150602 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201900 BAOSHAN, SHANGHAI TO: 100116 FENGTAI, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150602 Address after: 100116 Beijing city Fengtai District Wayao No. 305 room 329 Patentee after: BEIJING ORIENTAL-ANGEL SCIENCE & TECHNOLOGY CO., LTD. Address before: 201900, Room 608, building six, Cheung Teng International Plaza, No. 388, Lane 1, Pangu Road, Shanghai, Baoshan District Patentee before: Sun Lu |