CN202974750U - Separation and enrichment system - Google Patents
Separation and enrichment system Download PDFInfo
- Publication number
- CN202974750U CN202974750U CN 201220740014 CN201220740014U CN202974750U CN 202974750 U CN202974750 U CN 202974750U CN 201220740014 CN201220740014 CN 201220740014 CN 201220740014 U CN201220740014 U CN 201220740014U CN 202974750 U CN202974750 U CN 202974750U
- Authority
- CN
- China
- Prior art keywords
- separation
- valve
- pump
- concentration
- port
- 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
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a separation and enrichment system. The separation and enrichment system comprises a feeding pipeline, a tee joint connected with the feeding pipeline, and a fluid driving module connected with the tee joint, wherein the tee joint is also connected with a metering pump; and a stop valve is connected between the tee joint and the fluid driving module. By adoption of the metering pump, the stop valve is cut off when the system works, the metering pump can be used for accurately extracting a required reagent from the feeding pipeline, the stop valve is closed, and fluid in the feeding pipeline is conveyed through the fluid driving module. Because the quantitative collection process is finished by the metering pump and can be accurately controlled, even if the fluid driving module is aged due to long-term operation, the sampling precision is not influenced.
Description
Technical field
The utility model relates to chemical industry manufacturing equipment field, in particular, relates to a kind of separation and concentration system.
Background technology
Existing steam generation atomic fluorescence sampling device common type has flow injection, Generation-Atomic Fluorescence Spectrometry and sequential injection etc.There is dead volume in traditional flow injection sampling device sampling valve corrosion-vulnerable, easy to wear and leakage occurs, and valve position is switched and easily produced the sample cross pollution, and long-term the use is prone to quantitative accuracy and descends and cause testing result inaccurate; The Generation-Atomic Fluorescence Spectrometry sampling device has solved the problem of sample cross pollution better, but because rely on peristaltic pump to realize quantitative sample injection, along with the wear and aging of pump line, the problem that exists sampling quantitative precision and precision to descend.Therefore, how to address the above problem, just become those skilled in the art's research direction.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of separation and concentration system that can ensure for a long time the sampling quantitative precision.
The purpose of this utility model is achieved through the following technical solutions:
A kind of separation and concentration system comprises the sample introduction pipeline, the threeway that connects with the sample introduction pipeline, the fluid driver module that connects with threeway, and described threeway also is connected with volume pump, is connected with stop valve between described threeway and fluid driver module.
Further, described fluid driver module comprises peristaltic pump, and described threeway is connected to described peristaltic pump by stop valve.
Further, described separation and concentration system comprises separating concentration device and reductive agent pipe, and described reductive agent pipe is followed described separating concentration device UNICOM by peristaltic pump; The first port of described separating concentration device is connected with the carrier gas pipe; Its second port is connected with the reductive agent pipe by peristaltic pump, and its 3rd port is connected with the waste liquid remover; Its 4th port is connected with the enrichment delivery line.The technical program is transported to separating concentration device with unifications such as sample, current-carrying, reductive agents, realized separating of gas and liquid by separating concentration device, simplified system architecture, reduced failure rate, improved maintainability.All fluids are all unified to process by separating concentration device, the leakage that also is not easy to produce reagent and steam.
Further, described waste liquid remover comprises the sewer pipe that connects with the 3rd port of separating concentration device.
Further, described waste liquid remover comprises the waist valve that connects with the 3rd port of separating concentration device, the sewer pipe that connects with waist valve.
Further, described stop valve and waist valve are any one in pinch valve, Valve for compressing tubular liner, stop valve or the flow solenoid valve with liquid flow path cutoff function.
Further, described waste liquid remover comprises sewer pipe, and described sewer pipe one end is connected to the 3rd port of described separating concentration device, and the other end is connected to described peristaltic pump.
Further, described volume pump is any one in syringe pump, ram pump, membrane pump or the Ceramic piston volume pump with accurate measurement function.
Further, described stop valve is any one in pinch valve, Valve for compressing tubular liner or the flow solenoid valve with liquid flow path cutoff function.
Further, described fluid driver module comprises peristaltic pump, and described threeway is connected to described peristaltic pump by stop valve; Described separation and concentration system also comprises separating concentration device and reductive agent pipe, and described reductive agent pipe is followed described separating concentration device UNICOM by peristaltic pump; The first port of described separating concentration device is connected with the carrier gas pipe; Its second port is connected with the reductive agent pipe by peristaltic pump, and its 3rd port is connected with the waste liquid remover; Its 4th port is connected with the enrichment delivery line.Described stop valve is any one in pinch valve, Valve for compressing tubular liner or the flow solenoid valve with liquid flow path cutoff function; Described volume pump is any one in syringe pump, ram pump, membrane pump or the Ceramic piston volume pump with accurate measurement function.
The utility model first turn-offs stop valve owing to having adopted volume pump in the time of system works, volume pump accurately extracts needed reagent from the sample introduction pipeline, and then stop valve is closed, and the fluid of sample introduction pipeline transfers out by the fluid driver module again.Because the process of quantitative collection is to be completed by volume pump, can accurately control, even if also can not affect sampling precision after long-term work causes the fluid driver module aging.The separation and concentration device that the utility model provides is used for atomic fluorescence spectrometer, can realize the automatic configuration standard series of single concentration point, online enriched sample is carried out the advanced automation functions such as automatic dilution.The gas incision forms eddy flow makes target component be able to enrichment, and effectively separates with interfering component, steady air current, and the performance index such as the sensitivity of instrument, precision and detection limit all are greatly improved, and analytical effect is better.
Description of drawings
Fig. 1 is the principle schematic of the utility model embodiment one;
Fig. 2 is the principle schematic of the utility model embodiment two;
Fig. 3 is the principle schematic of the utility model embodiment three.
Wherein: 1, sample introduction pipeline; 2, threeway; 3, volume pump; 4, stop valve; 5, reductive agent pipe; 6, peristaltic pump; 7, carrier gas pipe; 8, separating concentration device; 9, enrichment delivery line; 10, sewer pipe; 11, waist valve.
Embodiment
The utility model discloses a kind of separation and concentration system.The separation and concentration system comprises the sample introduction pipeline, the threeway that connects with the sample introduction pipeline, the fluid driver module that connects with threeway, and threeway also is connected with volume pump, is connected with stop valve between threeway and fluid driver module.
The utility model first turn-offs stop valve owing to having adopted volume pump in the time of system works, volume pump accurately extracts needed reagent from the sample introduction pipeline, and then stop valve is closed, and the fluid of sample introduction pipeline transfers out by the fluid driver module again.Because the process of quantitative collection is to be completed by volume pump, can accurately control, even if also can not affect sampling precision after long-term work causes the fluid driver module aging.The separation and concentration device that the utility model provides is used for atomic fluorescence spectrometer, can realize the automatic configuration standard series of single concentration point, online enriched sample is carried out the advanced automation functions such as automatic dilution.The gas incision forms eddy flow makes target component be able to enrichment, and effectively separates with interfering component, steady air current, and the performance index such as the sensitivity of instrument, precision and detection limit all are greatly improved, and analytical effect is better.
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
Embodiment one
As shown in Figure 1, the separation and concentration system of the present embodiment comprises sample introduction pipeline 1, the threeway 2 that connects with sample introduction pipeline 1, the fluid driver module that connects with threeway 2, the separating concentration device 8 that connects with the fluid driver module; Threeway 2 also is connected with volume pump 3, is connected with stop valve between threeway 2 and fluid driver module, and the fluid driver module comprises peristaltic pump 6, and threeway 2 is connected to peristaltic pump 6 by stop valve.
The separation and concentration system comprises separating concentration device 8 and reductive agent pipe 5, and reductive agent pipe 5 passes through peristaltic pump 6 with separating concentration device 8 UNICOMs; The first port of separating concentration device 8 is connected with carrier gas pipe 7; Its second port is connected with reductive agent pipe 5 by peristaltic pump 7, and its 3rd port is connected with sewer pipe 10; Its 4th port is connected with enrichment delivery line 9.
Stop valve is any one in pinch valve, Valve for compressing tubular liner or the flow solenoid valve with liquid flow path cutoff function; Volume pump 3 is any one in syringe pump, ram pump, membrane pump or Ceramic piston volume pump 3 with accurate measurement function.
Below introduce the workflow of the present embodiment separation and concentration system.
At first the monitoring software of operating system, make to be full of current-carrying (cleaning fluid) in sample channel, makes in reductive agent pipe 5 to be full of reductive agent.
The first step, stop valve 4 turn-offs, and peristaltic pump 6 quits work, and volume pump 3 is drawn the current-carrying of specified amounts, utilizes air negative pressure that the sample of specified amount is introduced sample introduction pipeline 1, and automatic or experimenter switches in current-carrying sample introduction pipeline 1 by hand by automatic sampler.
Second step, the stop valve conducting, volume pump 3 is not worked, and peristaltic pump 6 begins to rotate, draw current-carrying from sample introduction pipeline 1, under the drainage of peristaltic pump 6, the reductive agent that the sample in sample introduction pipeline 1 and reductive agent pipe 5 are introduced converges, and enters separating concentration device 8, and form eddy flow under the promotion of the argon gas that carrier gas pipe 7 is cut, required composition is that the gaseous state thing rises by enrichment, derived by enrichment delivery line 9, and nearly all interference component all is retained in liquid by sewer pipe 10 discharges.
The 3rd step, stop valve 4 conductings, peristaltic pump 6 rotates, and sample feeding pipe is drawn current-carrying, and volume pump 3 wherein liquid is released, detergent line.
The present embodiment is transported to separating concentration device with unifications such as sample, current-carrying, reductive agents, realized separating of gas and liquid by separating concentration device, simplified system architecture, reduced failure rate, improved maintainability; All fluids are all unified to process by separating concentration device, the leakage that also is not easy to produce reagent and steam.The present embodiment is in conjunction with the advantage of the sampling devices such as existing flow injection, Generation-Atomic Fluorescence Spectrometry, sequential injection, interrupted injection, can eliminate again simultaneously the shortcoming that existing apparatus exists, realize more accurate quantitative sample injection, higher sensitivity, more reliable and more stable decentralised control, less reaction pulsation, improved the analytical performance of instrument, stream is simple, is easy to safeguard.
Embodiment two
As shown in Figure 2, the separation and concentration system of the present embodiment comprises sample introduction pipeline 1, the threeway 2 that connects with sample introduction pipeline 1, the fluid driver module that connects with threeway 2, the separating concentration device 8 that connects with the fluid driver module; Threeway 2 also is connected with volume pump 3, is connected with stop valve between threeway 2 and fluid driver module, and the fluid driver module comprises peristaltic pump 6, and threeway 2 is connected to peristaltic pump 6 by stop valve.
The separation and concentration system comprises separating concentration device 8 and reductive agent pipe 5, and reductive agent pipe 5 passes through peristaltic pump 6 with separating concentration device 8 UNICOMs; The first port of separating concentration device 8 is connected with carrier gas pipe 7; Its second port is connected with reductive agent pipe 5 by peristaltic pump 7, and its 3rd port is connected with the waste liquid remover; Its 4th port is connected with enrichment delivery line 9.The present embodiment is transported to separating concentration device with unifications such as sample, current-carrying, reductive agents, realized separating of gas and liquid by separating concentration device, simplified system architecture, reduced failure rate, improved maintainability.All fluids are all unified to process by separating concentration device, the leakage that also is not easy to produce reagent and steam.
The waste liquid remover comprises the waist valve 11 that connects with the 3rd port of separating concentration device 8, the sewer pipe 10 that connects with waist valve 11; Stop valve and waist valve 11 is any one in pinch valve, Valve for compressing tubular liner, stop valve or flow solenoid valve with liquid flow path cutoff function; Volume pump 3 is any one in syringe pump, ram pump, membrane pump or Ceramic piston volume pump 3 with accurate measurement function.
Below introduce the workflow of the present embodiment separation and concentration system.
At first the monitoring software of operating system, make to be full of current-carrying (cleaning fluid) in sample channel, makes in reductive agent pipe 5 to be full of reductive agent.
The first step, sample introduction pipeline 1 are in sample reagent solution, and stop valve turn-offs, and peristaltic pump 6 quits work; This moment, volume pump 3 was drawn quantitative reagent (be drawn into being ducted current-carrying in volume pump 3) in sample introduction pipeline 1, then sample introduction pipeline 1 by automatic sampler automatically or by experiment personnel switch to by hand in current-carrying, for second step work is prepared;
Second step, the stop valve conducting, waist valve 11 is closed, and volume pump 3 is not worked, peristaltic pump 6 begins to rotate, draw current-carrying from sample introduction pipeline 1, under the drainage of peristaltic pump 6, the reductive agent that the sample in sample introduction pipeline 1 and reductive agent pipe 5 are introduced converges, enter separating concentration device 8, and forming eddy flow under the promotion of the argon gas that carrier gas pipe 7 is cut, required composition is that the gaseous state thing rises by enrichment, is derived by enrichment delivery line 9.
The 3rd step, the stop valve conducting, waist valve 11 conductings, peristaltic pump 6 rotates again, draws current-carrying and enters 1 detergent line of sample introduction pipeline; Current-carrying is wherein released in volume pump 3 operations simultaneously, prepares for measure next time.And the waste liquid in separating concentration device 8 is discharged via waist valve 11 and sewer pipe 10.
The present embodiment is transported to separating concentration device with unifications such as sample, current-carrying, reductive agents, realized separating of gas and liquid by separating concentration device, simplified system architecture, reduced failure rate, improved maintainability; All fluids are all unified to process by separating concentration device, the leakage that also is not easy to produce reagent and steam.The present embodiment is in conjunction with the advantage of the sampling devices such as existing flow injection, Generation-Atomic Fluorescence Spectrometry, sequential injection, interrupted injection, can eliminate again simultaneously the shortcoming that existing apparatus exists, realize more accurate quantitative sample injection, higher sensitivity, more reliable and more stable decentralised control, less reaction pulsation, improved the analytical performance of instrument, stream is simple, is easy to safeguard.In addition, the present embodiment has increased waist valve between sewer pipe and separating concentration device, and the convenient state of controlling sewer pipe makes it keep air-tight state in detachment process, and keep conducting state in cleaning process.
Embodiment three
As shown in Figure 3, the separation and concentration system of the present embodiment comprises sample introduction pipeline 1, the threeway 2 that connects with sample introduction pipeline 1, the fluid driver module that connects with threeway 2, the separating concentration device 8 that connects with the fluid driver module; Threeway 2 also is connected with volume pump 3, is connected with stop valve between threeway 2 and fluid driver module.The fluid driver module comprises that peristaltic pump 6 threeways 2 are connected to peristaltic pump by stop valve.
The separation and concentration system comprises separating concentration device 8 and reductive agent pipe 5, and reductive agent pipe 5 passes through peristaltic pump 6 with separating concentration device 8 UNICOMs; The first port of separating concentration device 8 is connected with carrier gas pipe 7, and connects with stop valve 4 by peristaltic pump 6; Its second port is connected with reductive agent pipe 5 by peristaltic pump 7, and its 3rd port is connected with the waste liquid remover; Its 4th port is connected with enrichment delivery line 9; The waste liquid remover comprises sewer pipe 10, and sewer pipe 10 1 ends are connected to the 4th port of separating concentration device 8, and the other end is connected to peristaltic pump 6;The present embodiment is transported to separating concentration device with unifications such as sample, current-carrying, reductive agents, realized separating of gas and liquid by separating concentration device, simplified system architecture, reduced failure rate, improved maintainability.All fluids are all unified to process by separating concentration device, the leakage that also is not easy to produce reagent and steam.
Stop valve is any one in pinch valve, Valve for compressing tubular liner, stop valve or the flow solenoid valve with liquid flow path cutoff function; Volume pump 3 is any one in syringe pump, ram pump, membrane pump or Ceramic piston volume pump 3 with accurate measurement function.
Below introduce the workflow of the present embodiment separation and concentration system.
At first the monitoring software of operating system, make to be full of current-carrying (cleaning fluid) in sample channel, makes in reductive agent pipe 5 to be full of reductive agent.
The first step, stop valve 4 turn-offs, and peristaltic pump 6 quits work, and volume pump 3 is drawn the current-carrying of specified amounts, utilizes air negative pressure that the sample of specified amount is introduced sample introduction pipeline 1, and automatic or experimenter switches in current-carrying sample introduction pipeline 1 by hand by automatic sampler.
Second step, the stop valve conducting, waist valve 11 is closed, volume pump 3 is not worked, peristaltic pump 6 begins to rotate, and draws current-carrying from sample introduction pipeline 1, under the drainage of peristaltic pump 6, the reductive agent that sample in sample introduction pipeline 1 and reductive agent pipe 5 are introduced converges, enter separating concentration device 8, and form eddy flow under the promotion of the argon gas that carrier gas pipe 7 is cut, required composition is that the gaseous state thing rises by enrichment, derived by enrichment delivery line 9, and nearly all interference component all is retained in liquid by sewer pipe 10 discharges.
The 3rd step, the stop valve conducting, peristaltic pump 6 rotates again, draws current-carrying and enters sample introduction pipeline 1 purging system pipeline, and waste liquid is discharged by peristaltic pump 6 by sewer pipe 10 simultaneously.
The present embodiment is transported to separating concentration device with unifications such as sample, current-carrying, reductive agents, realized separating of gas and liquid by separating concentration device, simplified system architecture, reduced failure rate, improved maintainability; All fluids are all unified to process by separating concentration device, the leakage that also is not easy to produce reagent and steam.The present embodiment is in conjunction with the advantage of the sampling devices such as existing flow injection, Generation-Atomic Fluorescence Spectrometry, sequential injection, interrupted injection, can eliminate again simultaneously the shortcoming that existing apparatus exists, realize more accurate quantitative sample injection, higher sensitivity, more reliable and more stable decentralised control, less reaction pulsation, improved the analytical performance of instrument, stream is simple, is easy to safeguard.In addition, the present embodiment is connected to peristaltic pump at sewer pipe, controls the flow state of waste liquid by peristaltic pump, makes its sewer pipe keep air-tight state in detachment process, and waste liquid can be discharged at the cleaning process peristaltic pump.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a separation and concentration system, comprise the sample introduction pipeline, and the threeway that connects with the sample introduction pipeline, the fluid driver module that connects with threeway is characterized in that described threeway also is connected with volume pump, are connected with stop valve between described threeway and fluid driver module.
2. a kind of separation and concentration as claimed in claim 1 system, is characterized in that, described fluid driver module comprises peristaltic pump, and described threeway is connected to described peristaltic pump by stop valve.
3. a kind of separation and concentration as claimed in claim 2 system, is characterized in that, described separation and concentration system comprises separating concentration device and reductive agent pipe, and described reductive agent pipe is followed described separating concentration device UNICOM by peristaltic pump; The first port of described separating concentration device is connected with the carrier gas pipe; Its second port is connected with the reductive agent pipe by peristaltic pump, and its 3rd port is connected with the waste liquid remover; Its 4th port is connected with the enrichment delivery line.
4. a kind of separation and concentration as claimed in claim 3 system, is characterized in that, described waste liquid remover comprises the sewer pipe that connects with the 3rd port of separating concentration device.
5. a kind of separation and concentration as claimed in claim 3 system, is characterized in that, described waste liquid remover comprises the waist valve that connects with the 3rd port of separating concentration device, the sewer pipe that connects with waist valve.
6. a kind of separation and concentration as claimed in claim 5 system, is characterized in that, described stop valve and waist valve are any one in pinch valve, Valve for compressing tubular liner, stop valve or the flow solenoid valve with liquid flow path cutoff function.
7. a kind of separation and concentration as claimed in claim 3 system, is characterized in that, described waste liquid remover comprises sewer pipe, and described sewer pipe one end is connected to the 3rd port of described separating concentration device, and the other end is connected to described peristaltic pump.
8. a kind of separation and concentration as claimed in claim 1 system, is characterized in that, described volume pump is any one in syringe pump, ram pump, membrane pump or the Ceramic piston volume pump with accurate measurement function.
9. a kind of separation and concentration as claimed in claim 1 system, is characterized in that, described stop valve is any one in pinch valve, Valve for compressing tubular liner, stop valve or the flow solenoid valve with liquid flow path cutoff function.
10. a kind of separation and concentration as claimed in claim 1 system, is characterized in that, described fluid driver module comprises peristaltic pump, and described threeway is connected to described peristaltic pump by stop valve; Described separation and concentration system also comprises separating concentration device and reductive agent pipe, and described reductive agent pipe is followed described separating concentration device UNICOM by peristaltic pump; The first port of described separating concentration device is connected with the carrier gas pipe; Its second port is connected with the reductive agent pipe by peristaltic pump, and its 3rd port is connected with the waste liquid remover; Its 4th port is connected with the enrichment delivery line.Described stop valve is any one in pinch valve, Valve for compressing tubular liner or the flow solenoid valve with liquid flow path cutoff function; Described volume pump is any one in syringe pump, ram pump, membrane pump or the Ceramic piston volume pump with accurate measurement function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740014 CN202974750U (en) | 2012-12-31 | 2012-12-31 | Separation and enrichment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740014 CN202974750U (en) | 2012-12-31 | 2012-12-31 | Separation and enrichment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974750U true CN202974750U (en) | 2013-06-05 |
Family
ID=48515808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220740014 Expired - Fee Related CN202974750U (en) | 2012-12-31 | 2012-12-31 | Separation and enrichment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730047A (en) * | 2013-12-23 | 2015-06-24 | 北京瑞利分析仪器有限公司 | Miniature vapor generation sampling system and sampling method for portable atomic fluorescence |
| CN105784441A (en) * | 2016-03-15 | 2016-07-20 | 华东理工大学 | Magnetic membrane enrichment and separation device and using method thereof in solid phase spectrum detection |
| CN114367144A (en) * | 2022-01-25 | 2022-04-19 | 中国科学院海洋研究所 | In-situ multi-channel water enrichment, filtration and fixation device and method |
-
2012
- 2012-12-31 CN CN 201220740014 patent/CN202974750U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730047A (en) * | 2013-12-23 | 2015-06-24 | 北京瑞利分析仪器有限公司 | Miniature vapor generation sampling system and sampling method for portable atomic fluorescence |
| CN105784441A (en) * | 2016-03-15 | 2016-07-20 | 华东理工大学 | Magnetic membrane enrichment and separation device and using method thereof in solid phase spectrum detection |
| CN105784441B (en) * | 2016-03-15 | 2018-11-30 | 华东理工大学 | Magnetic-type film enrichment and separation device and its application method in solid phase spectra detection |
| CN114367144A (en) * | 2022-01-25 | 2022-04-19 | 中国科学院海洋研究所 | In-situ multi-channel water enrichment, filtration and fixation device and method |
| CN114367144B (en) * | 2022-01-25 | 2024-06-28 | 中国科学院海洋研究所 | In-situ multichannel water enrichment filtering and fixing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102901835B (en) | Method and device for collecting sample by full-automatic blood cell analyzer | |
| CN204101337U (en) | Automatic gas gathers apparatus for temporary storage | |
| CN202974750U (en) | Separation and enrichment system | |
| CN105158051A (en) | Dilution device for determination of high-concentration water sample through water-quality on-line analyzer | |
| CN103712902A (en) | Hematology analyzer adopting single negative pressure source and pipeline flow regulator | |
| CN205426890U (en) | Supporting device of gas analysis appearance examination | |
| CN107449882A (en) | A kind of high-concentration sewage COD on-line monitoring systems | |
| CN202837170U (en) | Element morphology analysis flow path system used for being combined with atomic fluorescence | |
| CN202974872U (en) | Steam generation and steam-liquid separation system | |
| CN203216848U (en) | Sample injection device of atomic fluorescence spectrometer | |
| CN102735829B (en) | Blood gas analyzer and using method thereof | |
| CN202599841U (en) | Sampling device of atomic fluorescence instrument | |
| CN112505013B (en) | Aquatic uranium on-line analyzer based on fluorescence method | |
| CN204694509U (en) | A kind of halo greenhouse gases flushable type sampling thief | |
| CN111947998A (en) | Fixed pollution source VOCs sampling device, system and method | |
| CN208000241U (en) | A kind of sample automatic dilution device | |
| CN201014973Y (en) | Two-way atmospheric sampling device | |
| CN202928844U (en) | Anti-pollution water taking device | |
| CN203224443U (en) | No-residue steam generating system | |
| CN202177577U (en) | Sample introduction device for atomic fluorescence spectroscopy | |
| CN201392283Y (en) | Novel quantitative sampler | |
| CN202599840U (en) | Sample injection device of two-injection-pump contrast ventriculography (CVG) system | |
| CN108267356A (en) | A kind of sample automatic dilution device | |
| CN101451990B (en) | Volume metering mechanism and cleaning method thereof | |
| CN210123425U (en) | Water quality analysis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING HAIGUANG INSTRUMENT CO., LTD. Free format text: FORMER NAME: HAIGUANG INSTRUMENT CORP, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100015 M3, 1 East Jiuxianqiao Road, Beijing, Chaoyang District Patentee after: BEIJING HAIGUANG INSTRUMENT Co.,Ltd. Address before: 100015 M3, 1 East Jiuxianqiao Road, Beijing, Chaoyang District Patentee before: BEIJING KECHUANG HAIGUANG INSTR Co.,Ltd. |
|
| 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: 20130605 Termination date: 20211231 |