CN202956386U - Device for carrying out sampling and analyzing on liquid - Google Patents
Device for carrying out sampling and analyzing on liquid Download PDFInfo
- Publication number
- CN202956386U CN202956386U CN 201220492871 CN201220492871U CN202956386U CN 202956386 U CN202956386 U CN 202956386U CN 201220492871 CN201220492871 CN 201220492871 CN 201220492871 U CN201220492871 U CN 201220492871U CN 202956386 U CN202956386 U CN 202956386U
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- liquid
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- sample chamber
- injector
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Abstract
A device for carrying out sampling and analyzing on liquid comprises an automatic sample injector and a Fourier transformation infrared gas analyzer. An air outlet and an air inlet on the sample injector are respectively connected with an air inlet and an air outlet of the Fourier transformation infrared gas analyzer through conduits in a sealing mode to form an analysis system. The sample injector takes water samples to be tested through a liquid injection port. The water samples are subjected to constant-temperature heating in the sample injector, and volatilized gas in water enters the gas analyzer to carry out analyzing. The device is an analytical device which is used for carrying out automatic sample injection on liquid, and achieves quick, simple, convenient and accurate analysis to volatilized matters in the water.
Description
Technical field
The utility model relates to the liquid detecting technical field, is specifically related to a kind of liquid be carried out the device of sampling and analyzing, and it goes for detecting the gas componant in the liquid such as water, various aqueous solution.
Background technology
In the last few years because the analyzable material composition of fourier-transform infrared gas analyzer is many, analysis time short, easy to operate, real-time, consumable material is few and quantitative and qualitative algorithm software powerful, used by people more and more.At the scene gas analysis aspect particularly, special fourier-transform infrared gas analyzer is in application widely, such as environmental monitoring, labour hygiene, safety in production, fire-fighting emergent etc.But because the price of fourier-transform infrared gas analyzer is higher, one-time investment is large, instrument be only limited to analytical gas limitations restrict its promotion and application.
Along with in recent years water pollution is more and more serious, water quality is carried out sampling analysis also become extremely important.The method that tradition is analyzed water quality normally carry out manual analysis by chemical reagent, yet this analytical approach is not only inaccurate but also inconvenient, and analysis time is long.Therefore, how to be the technique direction of constantly exploring now to water quality analysis fast.
The utility model content
In view of the existing problem of prior art, the purpose of this utility model is to provide a kind of liquid is carried out the device of sampling and analyzing, comprising: automatic sampler (1) and fourier infrared gas analyzer (2) and control circuit; Wherein said automatic sampler air intake opening (19) is tightly connected by soft air-guide pipe with described fourier infrared gas analyzer (2) gas outlet (4); Described automatic sampler gas outlet (20) is tightly connected by the air intake opening (3) of soft air-guide pipe and described fourier infrared gas analyzer (2); It is characterized in that:
Described automatic sampler (1) comprises inlet (5), liquid outlet (6), cleaning fluid import (7), rinse liquid outlet (8), the first three-way solenoid valve (9), the second three-way solenoid valve (10), first liang of three-way electromagnetic valve (11), peristaltic pump (12), sample chamber (13), cooling chamber (16), the first hydrophobic filter (17), the second hydrophobic filter (17), injector air intake opening (19), injector gas outlet (20), second liang of three-way electromagnetic valve (21), the 3rd liang of three-way electromagnetic valve (22); Wherein
Described injector air intake opening (19) is connected with soft air-guide pipe in described injector inside, this soft air-guide pipe is serially connected with second liang of three-way electromagnetic valve (21) and the first hydrophobic filter (17) successively, the other end of this flexible pipe extend in the sample chamber (13), up to the bottom near sample chamber (13);
Described injector gas outlet (20) is connected with cooling chamber (16) one ends by soft air-guide pipe in described injector inside, and between is connected in series the 3rd liang of three-way electromagnetic valve (22) and the second hydrophobic filter (17) successively;
Cooling chamber (16) vertically is tightly connected with sample chamber (13);
Inlet (5) in the injector is connected with the first three-way solenoid valve (9) ventilation end by conduit, the input end of the first three-way solenoid valve (9) is connected to cleaning fluid import (7) by conduit, and the output terminal of the first three-way solenoid valve (9) is connected by the ventilation end of conduit with the second three-way solenoid valve (10);
The input end of the second three-way solenoid valve (10) is connected with rinse liquid outlet (8) by conduit, the output terminal of the second three-way solenoid valve (10) is connected with peristaltic pump (12) inlet end by conduit, and the endpiece of peristaltic pump (12) and sample chamber (13) bottom flexible pipe are tightly connected;
Top, sample chamber (13) has flexible pipe to be connected with liquid outlet (6), is serially connected with first liang of three-way electromagnetic valve (11) on this flexible pipe;
Described automatic control circuit is controlled the first three-way solenoid valve (9), the second three-way solenoid valve (10), first liang of three-way electromagnetic valve (11), peristaltic pump (12), second liang of three-way electromagnetic valve (21), the 3rd liang of three-way electromagnetic valve (22) collaborative work.
Further, described in the utility model liquid is carried out the device of sampling and analyzing, it is characterized in that described automatic sampler (1) comprises that also refrigerating plant (15), described cooling chamber (16) outer wall be close to refrigerating plant (15).
Further, the device that liquid is carried out sampling and analyzing described in the utility model, it is characterized in that described sample chamber (13) is a cylindrical shape ampuliform thing, the bottom is the entity sealing, a protrusion joint and a circular hole are arranged at the top, the protrusion joint is used for connecting the conduit towards cooling chamber, and the conduit that circular hole is led to injector air intake opening (19) passes the position that always arrives the approaching bottle end, the contact position sealing of this conduit and described circular hole.
Further, described in the utility model liquid is carried out the device of sampling and analyzing, it is characterized in that described sample chamber (13) is glass or stainless steel material;
Further, described in the utility model liquid is carried out the device of sampling and analyzing, it is characterized in that described automatic sampler (1) also comprises constant temperature heating device (14), wherein sample chamber (13) place in the constant temperature heating device (14).
Further, described in the utility model liquid is carried out the device of sampling and analyzing, it is characterized in that described constant temperature heating device (14) for barrel-shaped, the internal diameter size is for just loading sample chamber (13), wall is that heater wire twines within it, and outer wall is thermal insulating material.
Further, the device that liquid is carried out sampling and analyzing described in the utility model, it is characterized in that described cooling chamber (17) is a cone wide at the top and narrow at the bottom, narrow section has interface to be connected with the conduit that leads to the sample chamber, also there is an outlet connection in wide section, is connected with the conduit that leads to injector gas outlet (20).
Further, described in the utility model liquid is carried out the device of sampling and analyzing, it is characterized in that described refrigerating plant (15) is the semiconductor refrigerating mode, wherein the chill surface of semiconductor chip is close to the cooling chamber outside surface, and the radiating surface of sheet posts fan.
Further, described in the utility model liquid is carried out the device of sampling and analyzing, it is characterized in that the hydrophobic material in the described hydrophobic filter (17,18) can only pass through by gas, liquid can't pass through.
The device that liquid is carried out sampling and analyzing described in the utility model can automatically carry out the liquid such as water sampling, volatilizable thing is wherein separated out and is analyzed, realize the function of volatilizable composition in the liquid such as fourier-transform infrared gas analyzer express-analysis water, thereby expanded analyst coverage and the application of this quasi-instrument.
Description of drawings
Fig. 1 is the structural drawing that liquid is carried out the device of sampling and analyzing described in the utility model.
1-automatic sampler 2-fourier infrared gas analyzer 3-analyzer air inlet 4-analyzer gas outlet 5-inlet 6-liquid outlet 7-cleaning fluid import 8-rinse liquid outlet 9-first three-way magnetic valve 10-second three-way magnetic valve 11-magnetic valve 12-peristaltic pump 13-sample room 14-constant temperature heating device 15-refrigerating plant 16-cooling chamber 17-first hydrophobic filter 18-the second hydrophobic filter 19-injector air inlet 20-injector gas outlet 21-magnetic valve 22-magnetic valve.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage are become apparent more, below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the structural drawing that liquid is carried out the device of sampling and analyzing described in the utility model.As shown in the figure, this device comprises: automatic sampler 1 and fourier infrared gas analyzer 2; The gas outlet 4 of wherein said automatic sampler air intake opening 19 and described fourier infrared gas analyzer 2 is tightly connected by soft air-guide pipe; Described automatic sampler gas outlet 20 is tightly connected by the air intake opening 3 of soft air-guide pipe and described fourier infrared gas analyzer 2; Described automatic sampler 1 comprises inlet 5, liquid outlet 6, cleaning fluid import 7, rinse liquid outlet 8, the first three-way solenoid valve 9, the second three-way solenoid valve 10, first liang of three-way electromagnetic valve 11, peristaltic pump 12, sample chamber 13, cooling chamber 16, hydrophobic filter 17, hydrophobic filter 18, injector air intake opening 19, injector gas outlet 20, second liang of three-way electromagnetic valve 21, the 3rd liang of three-way electromagnetic valve 22; Wherein
Described injector air intake opening 19 is connected with soft air-guide pipe in described injector inside, and this soft air-guide pipe is serially connected with second liang of three-way electromagnetic valve 21 and hydrophobic filter 17 successively, and the other end of this flexible pipe extend in the sample chamber 13, up to the bottom near sample chamber 13;
Described injector gas outlet 20 is connected with refrigerating chamber 16 1 ends by soft air-guide pipe in described injector inside, and between is connected in series the 3rd liang of three-way electromagnetic valve 22 and hydrophobic filter 18 successively;
It is the teflon filtering membrane that hydrophobic material is arranged in the hydrophobic filter, can only pass through by gas, and water and other liquid can't pass through.Can protect like this that analytical instrument 2 is unlikely to have liquid to enter
Cooling chamber 16 vertically is tightly connected with sample chamber 13; Described sample chamber 13 is a cylindrical shape ampuliform thing, can be glass or stainless steel material, its bottom is the entity sealing, a protrusion joint and a circular hole are arranged at the top, the protrusion joint is used for connecting the conduit towards cooling chamber, the conduit that circular hole is led to injector air intake opening 19 passes the position that always arrives the approaching bottle end, the contact position sealing of this conduit and described circular hole.
Flexible pipe is connected as the liquid sampling pipe with the inlet 5 of described injector, inlet 5 in the injector is connected with the first three-way solenoid valve 9 ventilation ends by conduit, the input end of solenoid valve 9 is connected to cleaning fluid import 7 by conduit, and the output terminal of solenoid valve 9 is connected by the ventilation end of conduit with the second three-way solenoid valve 10;
The input end of the second three-way solenoid valve 10 is connected with rinse liquid outlet 8 by conduit, and the output terminal of the second three-way solenoid valve 10 is connected with peristaltic pump 12 inlet ends by conduit, and the endpiece of peristaltic pump 12 and sample chamber 13 bottom flexible pipes are tightly connected; Thereby in solenoid valve 9,10 and 11 situations of closing, form an air seal loop.
13 tops, sample chamber have flexible pipe to be connected with liquid outlet 6, are serially connected with first liang of three-way electromagnetic valve 11 on this flexible pipe.
Described automatic sampler 1 comprises that also refrigerating plant 15, described cooling chamber 16 outer walls are close to refrigerating plant 15.
Further, automatic sampler 1 also comprises constant temperature heating device 14 described in the device that liquid is carried out sampling and analyzing described in the utility model, and wherein sample chamber 13 places in the constant temperature heating device 14.Described constant temperature heating device 14 is barrel-shaped, and the internal diameter size is for just loading sample chamber 13, and wall is that heater wire twines within it, and outer wall is thermal insulating material.
Further, cooling chamber 17 is a cone wide at the top and narrow at the bottom described in the device that liquid is carried out sampling and analyzing described in the utility model, narrow section has interface to be connected with the conduit that leads to the sample chamber, and also there is an outlet connection in wide section, is connected with the conduit that leads to injector gas outlet 20.
Further, refrigerating plant 15 is the semiconductor refrigerating mode described in the device that liquid is carried out sampling and analyzing described in the utility model, and wherein the chill surface of semiconductor chip is close to the cooling chamber outside surface, and the radiating surface of sheet posts fan.
Further, the hydrophobic materials described in the device that liquid is carried out sampling and analyzing described in the utility model in the hydrophobic filter 17,18 can only pass through by gas, and liquid can't pass through.: wherein
In addition, control circuit automatic controlled thermostat heating arrangement 15 of the present utility model is sample chamber 13 heating, makes its inner liquid reach fast design temperature.In heating arrangement, the position that contacts with the sample chamber outer wall is embedded with temperature sensor, and temperature signal is fed back to control circuit, and control circuit adopts pid control mode that the temperature of sample chamber outer wall is raise and remains on the temperature that sets, such as 40.0 ± 0.1 ℃.
Have again, control circuit nonstick system of control device for cooling of the present utility model (15) temperature is at 2～4 ℃, giving cooling chamber (16) cooling, lead in the instrument, in order to avoid gas produces condensate water in analytical instrument (2) again after the gas cooled of passing through thereby reach to allow.
Also have, control circuit of the present utility model is also controlled unlatching and the pass of above-mentioned each solenoid valve by program, or switch, to finish the function of self check in the said apparatus job step, sample introduction product, volatilization and analysis, sample eliminating, cleaning liquid pipeline, purge gas pipeline.
The below describes job step of liquid being carried out sampling and analyzing unit described in the utility model in detail:
Step 1, equipment connection: connect injector gas outlet and fourier transform infrared analysis instrument air intake opening with wireway, connect injector air intake opening and described analyser gas outlet with wireway.
Step 2, startup self-detection: open the injector power supply, all closed electromagnetic valves of injector advance the impermeability self check, and constant temperature heating device is warmed to established temperature to the sample chamber, 40 ℃～60 ℃.
Step 3, Liquid sample introduction: peristaltic pump work, suck a certain amount of fluid to be measured sample such as 20ml in the sample chamber from inlet, complete rear peristaltic pump quits work.
Step 4, sample volatilization and analysis: control closed electromagnetic valve inlet, liquid outlet, cleaning fluid import, rinse liquid outlet, open the solenoid valve that leads to injector gas outlet and air intake opening, described analyser internal pump is bled, simultaneously refrigerating plant work is the cooling chamber cooling, and analyser begins fluid sample in the sample chamber is analyzed.
Step 5, detect complete: after waiting until the data stabilization of described analyser or arriving preset time, analyser stops to analyze, and the analyser aspiration pump quits work simultaneously.
Step 6, sample are got rid of: air intake opening and the gas outlet of the described injector of control closed electromagnetic valve, to open towards the solenoid valve of liquid outlet and inlet, and the peristaltic pump motor reversal is discharged injector with the sample indoor liquid.
Step 7, fluid passage clean: control closed electromagnetic valve injection port is also opened the cleaning fluid import, peristaltic pump motor forward, the cleaning fluid that volume is equaled the sample chamber volume sucks the sample city, then, the control solenoid valve is connected the pipeline that leads to rinse liquid outlet, the peristaltic pump motor reversal, the cleaning fluid in the sample chamber is emptying, finish a liquid line and clean.In order more thoroughly to clean, can repeatedly carry out several times cleaning process.
Step 8, gas passage clean: the import of the described injector cleaning fluid of control closed electromagnetic valve, rinse liquid outlet, inlet, liquid outlet, air intake opening and the gas outlet of opening described injector start described analyser internal pump, continuous air extraction at least 3 minutes.
Described in the utility model Liquid sample introduction and pick-up unit are carried out auto injection by described injector to liquid, make simultaneously the volatizable material in the liquid fully evaporate at short notice gas, automatically entering the fourier-transform infrared gas analyzer analyzes, realized the automatic sampling of liquid and the wherein express-analysis of volatizable material, the fourier-transform infrared gas analyzer is applied in the water detection, greatly expand the range of application of instrument, improved the service efficiency of equipment.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (9)
1. one kind is carried out the device of sampling and analyzing to liquid, comprising: automatic sampler (1) and fourier infrared gas analyzer (2) and control circuit; Wherein said automatic sampler air intake opening (19) is tightly connected by soft air-guide pipe with described fourier infrared gas analyzer (2) gas outlet (4); Described automatic sampler gas outlet (20) is tightly connected by the air intake opening (3) of soft air-guide pipe and described fourier infrared gas analyzer (2); It is characterized in that:
Described automatic sampler (1) comprises inlet (5), liquid outlet (6), cleaning fluid import (7), rinse liquid outlet (8), the first three-way solenoid valve (9), the second three-way solenoid valve (10), first liang of three-way electromagnetic valve (11), peristaltic pump (12), sample chamber (13), cooling chamber (16), the first hydrophobic filter (17), the second hydrophobic filter (17), injector air intake opening (19), injector gas outlet (20), second liang of three-way electromagnetic valve (21), the 3rd liang of three-way electromagnetic valve (22); Wherein
Described injector air intake opening (19) is connected with soft air-guide pipe in described injector inside, this soft air-guide pipe is serially connected with second liang of three-way electromagnetic valve (21) and the first hydrophobic filter (17) successively, the other end of this flexible pipe extend in the sample chamber (13), up to the bottom near sample chamber (13);
Described injector gas outlet (20) is connected with cooling chamber (16) one ends by soft air-guide pipe in described injector inside, and between is connected in series the 3rd liang of three-way electromagnetic valve (22) and the second hydrophobic filter (17) successively;
Cooling chamber (16) vertically is tightly connected with sample chamber (13);
Inlet (5) in the injector is connected with the first three-way solenoid valve (9) ventilation end by conduit, the input end of the first three-way solenoid valve (9) is connected to cleaning fluid import (7) by conduit, and the output terminal of the first three-way solenoid valve (9) is connected by the ventilation end of conduit with the second three-way solenoid valve (10);
The input end of the second three-way solenoid valve (10) is connected with rinse liquid outlet (8) by conduit, the output terminal of the second three-way solenoid valve (10) is connected with peristaltic pump (12) inlet end by conduit, and the endpiece of peristaltic pump (12) and sample chamber (13) bottom flexible pipe are tightly connected;
Top, sample chamber (13) has flexible pipe to be connected with liquid outlet (6), is serially connected with first liang of three-way electromagnetic valve (11) on this flexible pipe;
Described automatic control circuit is controlled the first three-way solenoid valve (9), the second three-way solenoid valve (10), first liang of three-way electromagnetic valve (11), peristaltic pump (12), second liang of three-way electromagnetic valve (21), the 3rd liang of three-way electromagnetic valve (22) collaborative work.
2. according to claim 1 liquid is carried out the device of sampling and analyzing, it is characterized in that described automatic sampler (1) comprises that also refrigerating plant (15), described cooling chamber (16) outer wall be close to refrigerating plant (15).
3. the device that liquid is carried out sampling and analyzing according to claim 1, it is characterized in that described sample chamber (13) is a cylindrical shape ampuliform thing, the bottom is the entity sealing, a protrusion joint and a circular hole are arranged at the top, the protrusion joint is used for connecting the conduit towards cooling chamber, the conduit that circular hole is led to injector air intake opening (19) passes the position that always arrives the approaching bottle end, the contact position sealing of this conduit and described circular hole.
4. according to claim 1,2 or 3 described liquid is carried out the device of sampling and analyzing, it is characterized in that described sample chamber (13) is glass or stainless steel material;
5. according to claim 1, the 2/ or 3 described devices that liquid carried out sampling and analyzing, it is characterized in that described automatic sampler (1) also comprises constant temperature heating device (14), wherein sample chamber (13) place in the constant temperature heating device (14).
6. the device that liquid is carried out sampling and analyzing according to claim 5, it is characterized in that described constant temperature heating device (14) is for barrel-shaped, the internal diameter size is for just loading sample chamber (13), and wall is that heater wire twines within it, and outer wall is thermal insulating material.
7. the device that liquid is carried out sampling and analyzing according to claim 1, it is characterized in that described cooling chamber (17) is a cone wide at the top and narrow at the bottom, narrow section has interface to be connected with the conduit that leads to the sample chamber, also there is an outlet connection in wide section, is connected with the conduit that leads to injector gas outlet (20).
8. according to claim 2 liquid is carried out the device of sampling and analyzing, it is characterized in that described refrigerating plant (15) is the semiconductor refrigerating mode, wherein the chill surface of semiconductor chip is close to the cooling chamber outside surface, and the radiating surface of sheet posts fan.
9. according to claim 1 liquid is carried out the device of sampling and analyzing, it is characterized in that the hydrophobic material in the described hydrophobic filter (17,18) can only pass through by gas, liquid can't pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220492871 CN202956386U (en) | 2012-09-26 | 2012-09-26 | Device for carrying out sampling and analyzing on liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220492871 CN202956386U (en) | 2012-09-26 | 2012-09-26 | Device for carrying out sampling and analyzing on liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202956386U true CN202956386U (en) | 2013-05-29 |
Family
ID=48461951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220492871 Expired - Lifetime CN202956386U (en) | 2012-09-26 | 2012-09-26 | Device for carrying out sampling and analyzing on liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202956386U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063857A (en) * | 2012-09-26 | 2013-04-24 | 北京承天示优科技有限公司 | Device for sampling and analyzing liquid |
| CN111856048A (en) * | 2019-04-30 | 2020-10-30 | 中国石油化工股份有限公司 | Altered carbonate automatic analysis device and analysis method |
| CN112285371A (en) * | 2020-10-27 | 2021-01-29 | 永州中古生物技术有限公司 | Sample injection device for protein mixed solution and use method thereof |
-
2012
- 2012-09-26 CN CN 201220492871 patent/CN202956386U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063857A (en) * | 2012-09-26 | 2013-04-24 | 北京承天示优科技有限公司 | Device for sampling and analyzing liquid |
| CN111856048A (en) * | 2019-04-30 | 2020-10-30 | 中国石油化工股份有限公司 | Altered carbonate automatic analysis device and analysis method |
| CN112285371A (en) * | 2020-10-27 | 2021-01-29 | 永州中古生物技术有限公司 | Sample injection device for protein mixed solution and use method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |