CN203941099U - Gas phase molecular absorption spectrometer with on-line oxidation device - Google Patents
Gas phase molecular absorption spectrometer with on-line oxidation device Download PDFInfo
- Publication number
- CN203941099U CN203941099U CN201420297030.9U CN201420297030U CN203941099U CN 203941099 U CN203941099 U CN 203941099U CN 201420297030 U CN201420297030 U CN 201420297030U CN 203941099 U CN203941099 U CN 203941099U
- Authority
- CN
- China
- Prior art keywords
- gas phase
- absorption spectrometer
- phase molecular
- molecular absorption
- oxygenant
- 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 - Lifetime
Links
- 230000003647 oxidation Effects 0.000 title claims abstract description 38
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 38
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 33
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 19
- 230000008033 biological extinction Effects 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000012071 phase Substances 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 241000370738 Chlorion Species 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004847 absorption spectroscopy Methods 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
A kind of gas phase molecular absorption spectrometer with on-line oxidation device of the utility model, belongs to optic analytical instrument technical field.Comprise reactor, extinction pipe, monochromator, photomultiplier and information handling system, in sample trial jar, be provided with sample tube, described gas phase molecular absorption spectrometer also comprises online oxidation unit; Described on-line oxidation device comprises oxygenant bottle, and this oxygenant bottle connects described sample tube by oxygenant delivery pipe, and described this oxygenant delivery pipe is socketed with oxidation peristaltic pump; Described sample tube is connected described reactor with described reagent bottle.The technical program had been broken away from the past and had manually been added the drawback of oxygenant under line, had greatly improved detection efficiency.
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 on-line oxidation.
Background technology
Gas-phase molecular absorption spectrometry method (hereinafter to be referred as GPMAS) is that the gas resolving into based on tested composition carries out quantitative measurement to the relation of the absorption intensity of light and measured component concentration 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, by chemical reaction, by the conversion to be measured in liquid phase sample, be gas, make gas from liquid phase sample, separate and be written into the content of measuring system mensurated gas composition, finally calculate 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.Its basic principle is: lamp power supply is that a pulse that can produce certain frequency goes to control cut-offfing of lamp, makes lamp intermittently luminous, and the luminous intensity of lamp is more much higher than the lamp energy of continuous luminous, and makes the life of lamp.Adopt the hollow cathode lamp of line source to do light source, it can send the characteristic spectral line of element, and intensity is large, and the half width of spectral line is narrow, so the range of linearity is wide.The lens on the absorption cell left side are the central authorities at absorption cell the photoimaging of hollow cathode lamp, photoimaging after the lens on the right side absorb sample is on the entrance slit of monochromator, and the light of selecting after sample absorbs through monochromator enters detecting device (photomultiplier).Photomultiplier converts light signal to electric signal, and this signal enters computing machine and processes after A/D conversion.By control system, removing to control pneumatic pump works by routine analyzer; Quality control reactor carries out work by analyzing requirement.Analysis result is presented on display by read-out system, and printable output; Also analysis result can be formed to file and preserve, in order to browsing and calling.Gas sampling processing is that the toxic substance in the waste gas after analyzing is collected, and avoids contaminated air.
China Patent No. is: 201220255519.0, peristaltic pump by name is interrupted sample introduction gas phase molecular absorption spectrometer, it discloses a kind of like this technical scheme, comprise sampling device, gas-liquid separation device, drying device and pick-up unit, sampling device comprises at least two sample introduction arms, the first peristaltic pump being communicated with the input end of sample introduction arm, the many siphunculus that are communicated with the output terminal of sample introduction arm and the sample introduction house steward who is communicated with the other end of many siphunculus, and sample introduction house steward's output terminal communicates with gas-liquid separation device.This technical scheme is particularly useful for measuring ammonia nitrogen, sulfide, kjeldahl nitrogen, total nitrogen, nitrate, nitrite, sulphite, chlorion and permanganate index.
Although above-mentioned technical scheme can solve the problem of the input quantity that is not easy to accurate-metering reaction reagent and sample, also Shortcomings part to a certain extent.When utilizing gas phase molecular absorption spectrometer to measure ammonia nitrogen, can not realize automatic on-line oxidation operation, detection efficiency is low.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of gas phase molecular absorption spectrometer with on-line oxidation device, its objective is the problem that gas phase molecular absorption spectrometer can not be realized automatic on-line oxidation in testing process that solves.
In order to solve above-mentioned technical matters, the basic solution the utility model proposes is: a kind of gas phase molecular absorption spectrometer with on-line oxidation device, comprise reactor, extinction pipe, monochromator, photomultiplier and information handling system, described gas phase molecular absorption spectrometer also comprises online oxidation unit and defeated sample mouth; Described on-line oxidation device comprises oxidation peristaltic pump, and this oxidation peristaltic pump is arranged on described spectrometer enclosure interior, and this oxidation peristaltic pump is provided with oxygenant and carries entrance and oxygenant to carry outlet.
In gas phase molecular absorption spectrometer with on-line oxidation device described in the utility model, described gas phase molecular absorption spectrometer also comprises defeated sample peristaltic pump, and this defeated sample peristaltic pump is provided with defeated sample port, and by this defeated sample port coupled reaction device.
In gas phase molecular absorption spectrometer with on-line oxidation device described in the utility model, described reactor is also connected with a waste liquid pool for collecting the waste liquid producing in described reactor.
In gas phase molecular absorption spectrometer with on-line oxidation device 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: because the utility model adopts on-line oxidation device and a peristaltic pump, can realize the function of the automatic on-line oxidation of gas molecule in space spectrometer, broken away from the past and manually added the drawback of oxygenant under line, greatly improved detection efficiency.
Accompanying drawing explanation
The structural principle block diagram of the gas phase molecular absorption spectrometer with on-line oxidation device that Fig. 1 is described in the utility model.
Embodiment
Below with reference to 1 pair of the utility model of accompanying drawing, be described further, but should do not limit protection domain of the present utility model with this.
In order to illustrate, the relevant apparatus that the gas phase molecular absorption spectrometer with on-line oxidation device of the present embodiment will be used in connection with actual use procedure describes the gas phase molecular absorption spectrometer of this on-line oxidation device.
Contrast Fig. 1, gas phase molecular absorption spectrometer with on-line oxidation device described in the utility model comprises sample trial jar 10, reagent bottle 20, and the reactor 30 being sequentially communicated with, extinction pipe 40, monochromator 50, photomultiplier 60 and information handling system 70, in described sample trial jar 10, be provided with sample tube 101, described gas phase molecular absorption spectrometer also comprises online oxidation unit, this on-line oxidation device comprises oxygenant bottle 00, this oxygenant bottle 00 connects described sample tube 101 by oxygenant delivery pipe 001, described this oxygenant delivery pipe 001 is socketed with oxidation peristaltic pump 100.
Described sample tube 101 is provided with the first flexible pipe 102, described reagent bottle 20 is provided with the second flexible pipe 201, described the first flexible pipe 102 and described the second flexible pipe 201 are intersected in three-dimensional interface 80 and are communicated with described reactor 30 by sample delivery flexible pipe 90, described sample delivery flexible pipe 90 is socketed with defeated sample peristaltic pump 901, and this defeated sample peristaltic pump 901 is positioned at described three-dimensional interface 80 right sides.
Wherein, described reactor 30 is also connected with a waste liquid pool 301 for collecting the waste liquid of described reactor 30 interior generations; The top of described extinction pipe 40 is connected with waste gas absorption pipe 401.
During work, 100 runnings of oxidation peristaltic pump are pumped to sample tube 101 by the oxygenant in oxygenant bottle 70; After this, defeated sample peristaltic pump 901 in reactor 30, react the solution inspiration in sample tube 101 and reagent bottle 20 release gas to be measured and enters and in extinction pipe 40, detect and finally obtain testing result by monochromator 50, photomultiplier 60 and information handling system 70 in this reactor 30.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the utility model is not limited to embodiment disclosed and described above, to modifications and changes more of the present utility model, also should fall in the protection domain of claim of the present utility model.In addition,, although used some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (4)
1. with a gas phase molecular absorption spectrometer for on-line oxidation device, comprise reactor, extinction pipe, monochromator, photomultiplier and information handling system, it is characterized in that: described gas phase molecular absorption spectrometer also comprises online oxidation unit and defeated sample mouth; Described on-line oxidation device comprises oxidation peristaltic pump, and this oxidation peristaltic pump is arranged on described spectrometer enclosure interior, and this oxidation peristaltic pump is provided with oxygenant and carries entrance and oxygenant to carry outlet.
2. the gas phase molecular absorption spectrometer with on-line oxidation device as claimed in claim 1, it is characterized in that: described gas phase molecular absorption spectrometer also comprises defeated sample peristaltic pump, this defeated sample peristaltic pump is provided with defeated sample port, and by this defeated sample port coupled reaction device.
3. the gas phase molecular absorption spectrometer with on-line oxidation device as claimed in claim 1, is characterized in that: described reactor is also connected with a waste liquid pool for collecting the waste liquid producing in described reactor.
4. the gas phase molecular absorption spectrometer with on-line oxidation device 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 |
|---|---|---|---|
| CN201420297030.9U CN203941099U (en) | 2014-06-06 | 2014-06-06 | Gas phase molecular absorption spectrometer with on-line oxidation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297030.9U CN203941099U (en) | 2014-06-06 | 2014-06-06 | Gas phase molecular absorption spectrometer with on-line oxidation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941099U true CN203941099U (en) | 2014-11-12 |
Family
ID=51860403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420297030.9U Expired - Lifetime CN203941099U (en) | 2014-06-06 | 2014-06-06 | Gas phase molecular absorption spectrometer with on-line oxidation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203941099U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092943A (en) * | 2016-06-02 | 2016-11-09 | 上海北裕分析仪器股份有限公司 | A kind of method using gas-phase molecular absorption spectrometry method to carry out COD test |
| CN107389567A (en) * | 2016-05-16 | 2017-11-24 | 上海安杰环保科技有限公司 | Gas phase molecular absorption spectrometer |
| CN107957398A (en) * | 2016-10-18 | 2018-04-24 | 上海北裕分析仪器股份有限公司 | A kind of assay method and analyzer of the CODMn of continuous sample introduction |
| CN109425688A (en) * | 2017-08-31 | 2019-03-05 | 孔燕 | Examine profession substance combustion gas examination device |
| 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 CN201420297030.9U patent/CN203941099U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389567A (en) * | 2016-05-16 | 2017-11-24 | 上海安杰环保科技有限公司 | Gas phase molecular absorption spectrometer |
| CN106092943A (en) * | 2016-06-02 | 2016-11-09 | 上海北裕分析仪器股份有限公司 | A kind of method using gas-phase molecular absorption spectrometry method to carry out COD test |
| CN107957398A (en) * | 2016-10-18 | 2018-04-24 | 上海北裕分析仪器股份有限公司 | A kind of assay method and analyzer of the CODMn of continuous sample introduction |
| CN109425688A (en) * | 2017-08-31 | 2019-03-05 | 孔燕 | Examine profession substance combustion gas examination device |
| 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 |
| CN110411966B (en) * | 2019-08-27 | 2024-05-28 | 北京东方安杰科技有限公司 | Gas phase molecular absorption spectrometer with cleaning and shutdown functions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203941099U (en) | Gas phase molecular absorption spectrometer with on-line oxidation device | |
| CN103048481B (en) | Automatic analyzer for detecting ammonia nitrogen in environmental water and method for detecting ammonia nitrogen in environmental water | |
| CN204128953U (en) | Auto injection gas phase molecular absorption spectrometer | |
| CN103499558A (en) | System and method for determining mercury concentration in water | |
| CN108037115B (en) | Sulfur dioxide detection system and detection method | |
| CN103558212B (en) | Nitrogen dioxide testing device and detection method | |
| CN1776405A (en) | On-line atmospheric mercury analyzer | |
| CN106442515A (en) | Simple and low-cost silver ion visual quantitative detection method | |
| CN204142624U (en) | A kind of online water monitoring device measured based on complex spectrum | |
| CN206074435U (en) | It is a kind of to be based on water-quality COD compatibility ammonia nitrogen concentration real-time monitoring device | |
| CN211627359U (en) | Detecting system for sulfur trioxide content in flue gas | |
| CN201903529U (en) | Continuous online ionic migration spectrum monitoring instrument for poisonous gases | |
| CN204008441U (en) | Online constant temperature auto injection gas phase molecular absorption spectrometer | |
| CN105910881B (en) | A kind of micromation heat auxiliary sample pretreatment device and application detected for Surface enhanced Raman spectroscopy | |
| CN201307092Y (en) | A ultraviolet absorption method portable stack gas, auto car tail gas measuring apparatus | |
| CN204241366U (en) | A kind of device detecting heavy metal in soil | |
| CN204128954U (en) | With the gas phase molecular absorption spectrometer of automatic sampler | |
| CN102768191A (en) | Method for easily detecting trace thallium in water | |
| CN203941100U (en) | Gas phase molecular absorption spectrometer with carrier gas purification plant | |
| CN204128957U (en) | A kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus | |
| CN205484057U (en) | Sulfur dioxide analysis appearance | |
| CN103499570B (en) | Portable injection chemiluminescence measures pick-up unit and the method for water body inorganic mercury | |
| CN110687061A (en) | Formaldehyde solution detection method based on spectrometer | |
| CN209513622U (en) | A kind of meat quality detection device based on film | |
| CN103257137A (en) | Method of determining content of methyl ethyl ketone peroxide in workplace air through UV spectrophotometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Xinxiao Inventor before: Hao Jun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HAO JUN TO: YU XINXIAO |
|
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hao Jun Inventor before: Yu Xinxiao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YU XINXIAO TO: HAO JUN |
|
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Xinxiao Inventor before: Hao Jun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HAO JUN TO: YU XINXIAO |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING DONGFANG ANJIE ENVIRONMENTAL TECHNOLOGY CO Free format text: FORMER OWNER: HAO JUN Effective date: 20150723 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150723 Address after: 100000 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: Hao Jun |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |