CN214427264U - Automatic sulfide analyzer - Google Patents
Automatic sulfide analyzer Download PDFInfo
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- CN214427264U CN214427264U CN202120605351.0U CN202120605351U CN214427264U CN 214427264 U CN214427264 U CN 214427264U CN 202120605351 U CN202120605351 U CN 202120605351U CN 214427264 U CN214427264 U CN 214427264U
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Abstract
The utility model discloses an automatic sulfide analyzer, wherein a pipeline with a fourth pump is respectively connected with a first waste liquid cylinder and a pipeline with a first pump, and the pipeline with the first pump extends into a reaction bottle; the pipeline with the fourth pump is also respectively connected with a nitrogen storage container, a deionized water storage container, a measured water sample storage container and a pretreatment reagent storage container; the pipeline with the fifth pump is respectively connected with an emptying pipe and a reaction bottle, and is also connected with a second waste liquid cylinder, an absorption bottle through the pipeline with the second pump, a colorimetric pool through the pipeline with the third pump, a nitrogen storage container, a deionized water storage container, an absorption liquid storage container and a color development reagent storage container. The utility model discloses a container, pump and valve pass through the pipeline and constitute a closed circulation system, can realize through the action of operating pump valve that the container washs, adds automation mechanized operations such as medicine, liquid appearance transfer, has not only improved the degree of accuracy of analysis, has improved analysis and determination efficiency moreover.
Description
Technical Field
The utility model relates to a sulphide analytical instrument, concretely relates to analytical instrument of soluble sulphide in aquatic. Belongs to the technical field of environmental monitoring.
Background
The current analytical methods for sulfides include methylene blue spectrophotometry, classical method, sulfide ion selective electrode method, gas phase molecular absorption spectrometry and flow injection-methylene blue spectrophotometry. The methylene blue spectrophotometry (GB/T16489-1996) is a common method in the analysis field and is also a designated method for collecting, measuring and separating national surface water. The method requires the sample to be uniformly acidified, blown and absorbed in the analysis and determination. No heating device is arranged at the acidification part of the acidification-blowing-absorption device in GB/T16489-1996, and nitrogen is directly introduced into the acidification bottle to form bubbles, so that the uniform mixing capacity of the bubbles is weak, the acidification efficiency of a sample is low, the absorption efficiency of hydrogen sulfide in the absorption bottle is also low, and the accuracy of a measurement result is influenced. In addition, the analysis instrument adopting the method is generally operated manually, and the automation degree and the working efficiency are lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an automatic sulfide analyzer, which firstly improves the sample acidification efficiency and sulfide absorption efficiency, thereby improving the accuracy of the analysis and determination result; secondly, analysis automation operation is realized, and the working efficiency is improved.
In order to solve the technical problem, the utility model discloses a following technical scheme:
sulphide autoanalyzer, including reaction flask, absorption flask and color comparison pond, its characterized in that: the reaction bottle is characterized by also comprising a pipeline with a fourth pump, wherein the pipeline with the fourth pump is respectively connected with a first waste liquid cylinder and a pipeline with a first pump through a pipeline with a valve, the pipeline with the first pump extends into the reaction bottle, and the first waste liquid cylinder is communicated with the reaction bottle through the pipeline with the valve; the pipeline with the fourth pump is respectively connected with a nitrogen storage container, a deionized water storage container, a tested water sample storage container and a pretreatment reagent storage container; the device also comprises a pipeline with a fifth pump, the pipeline with the fifth pump is connected with an emptying pipe and the reaction bottle through pipelines with valves respectively, the pipeline with the fifth pump is also connected with a second waste liquid cylinder through a pipeline with a valve, the pipeline with the fifth pump is connected with the absorption bottle through a pipeline with a second pump, and the pipeline with the third pump is connected with the colorimetric pool; any two of the second waste liquid cylinder, the absorption bottle and the reaction bottle are communicated through a pipeline with a valve; the absorption bottle is connected with another emptying pipe; the pipeline with the fifth pump is respectively connected with a nitrogen storage container, a deionized water storage container, an absorption liquid storage container and a color development reagent storage container.
Preferably, the bottom of the reaction bottle is provided with a reaction bottle lower groove; a reaction bottle porous glass plate is arranged in the reaction bottle; the upper part of the reaction bottle is spherical or ellipsoidal.
Preferably, the reaction flask is placed in an oil bath heating vessel; the oil bath heating container is connected with a temperature control element.
Preferably, the bottom of the absorption bottle is provided with an absorption bottle lower groove; the inside of the absorption bottle is provided with an absorption bottle porous glass plate; the upper part of the absorption bottle is spherical or ellipsoidal.
Preferably, the bottom of the cuvette is provided with a lower groove of the cuvette.
Preferably, the tail end of the emptying pipe connected with the absorption bottle is connected with an exhaust gas collecting device.
Preferably, the automatic analyzer further comprises control means for connecting and controlling the valve and the pump, respectively. The utility model has the advantages of:
first, the utility model discloses a container, pump and valve pass through the pipeline and constitute a closed circulation system, can realize through the action of operating pump valve that the container washs, adds automation mechanized operations such as medicine, liquid appearance transfer, has not only improved the degree of accuracy of analysis, has improved the analytical survey efficiency moreover.
Second, the utility model discloses an among the optimization technical scheme, the bottom of reaction flask, absorption bottle and color comparison pond all is equipped with the low groove, can guarantee that the liquid in the container is whole to be managed to find time.
Third, the utility model discloses an among the optimization technical scheme, the reaction flask is furnished with porous glass board respectively with absorption bottle inside, is favorable to forming tiny bubble, makes sample and acid in the reaction flask, and hydrogen sulfide and absorption liquid in the absorption flask fully react, improve acidizing and absorption efficiency.
Fourthly, in the optimized technical proposal of the utility model, the upper parts of the reaction bottle and the absorption bottle are spherical or ellipsoidal, which is favorable for the liquid reflux during the blowing reaction.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure, a first valve 1, a second valve 2, a third valve 3, a fourth valve 4, a fifth valve 5, a sixth valve 6, a seventh valve 7, an eighth valve 8, a ninth valve 9, a tenth valve 10, an eleventh valve 11, a twelfth valve 12, a thirteenth valve 13, a fourteenth valve 14, a fifteenth valve 15, a sixteenth valve 16, a seventeenth valve 17, an eighteenth valve 18, a nineteenth valve 19, a twentieth valve 20, a second waste liquid tank 21, a waste gas collecting device 22, an absorber 23, an absorber lower concave groove 231, an absorber porous glass plate 232, a colorimetric pool 24, a colorimetric pool lower concave groove 241, a reaction flask 25, a reaction flask lower concave groove 251, a reaction flask porous glass plate 252, an oil bath heating container 26, a first waste liquid tank 27, a first pump 101, a second pump 102, a third pump 103, a fourth pump 104, and a fifth pump 105 are provided.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, the embodiment of the present invention includes a reaction flask 25, a lower groove 251 is provided at the bottom of the reaction flask 25, a lower end of a pipeline for extracting liquid in the flask is located in the lower groove 251 when in use, a porous glass plate 252 is provided inside the reaction flask 25, the upper portion of the reaction flask 25 is spherical or ellipsoidal, the reaction flask 25 is disposed in the oil bath heating container 26, and the oil bath heating container 26 is connected with a temperature control element.
The embodiment of the utility model discloses an embodiment still includes absorption bottle 23, and the bottom of absorption bottle 23 is equipped with absorption bottle low groove 231, is arranged in the pipeline lower tip that takes out liquid in the bottle during use to be located absorption bottle low groove 231, and this absorption bottle 23's inside is provided with the porous glass board 232 of absorption bottle, and the upper portion of absorption bottle 23 is spherical or ellipsoid shape. The absorption bottle 23 is provided with an evacuation pipe for connecting the exhaust gas collection device 22.
The embodiment of the utility model discloses a still include colorimetric pool 24, the bottom of colorimetric pool 24 is equipped with colorimetric pool low groove 241, and the drawing liquid pipe end part is located this colorimetric pool low groove 241 when needing to follow the clean liquid in the colorimetric pool.
The upper ports of the absorption bottle 23 and the reaction bottle 25 are provided with bottle stoppers (omitted in the figure), and the inlet and outlet pipelines pass through the bottle stoppers. The upper end of the colorimetric pool 24 is open.
The embodiment of the utility model discloses a still including the pipeline of taking fourth pump 104, this pipeline of taking fourth pump 104 is connected with sixth valve 6, and this pipeline of taking fourth pump 104 stores up the nitrogen gas container through the pipe connection of taking first valve 1, stores up the deionized water container through the pipe connection of taking second valve 2, stores up sour container through the pipe connection of taking third valve 3, stores up the antioxidant container through the pipe connection of taking fourth valve 4, stores up through the pipe connection of taking fifth valve 5 and is surveyed water appearance container. Wherein the connection of the line with the first valve 1 and the line with the second valve 2 to the line with the fourth pump 104 is located in front of the fourth pump 104, and the connection of the line with the third valve 3, the line with the fourth valve 4 and the line with the fifth valve 5 to the line with the fourth pump 104 is located between the fourth pump 104 and the sixth valve 6.
The rear end of the sixth valve 6 is connected to a first waste liquid tank 27 via a line with an eighth valve 8.
The embodiment of the utility model discloses a still include the pipeline of taking first pump 101, sixth valve 6 is connected to this pipeline one end of taking first pump 101, and the other end goes deep into in the reaction flask 25. A seventh valve 7 is installed on a pipeline between the sixth valve 6 and the first pump 101.
The embodiment of the utility model discloses a still include the pipeline of taking fifth pump 105, this pipeline of taking fifth pump 105 is connected with eleventh valve 11, this pipeline of taking fifth pump 105 stores up nitrogen gas container through the tube coupling of taking thirteenth valve 13, store up deionized water container through the tube coupling of taking fourteenth valve 14, store up N through the tube coupling of taking fifteenth valve 15, N-dimethyl p-phenylenediamine hydrochloride container, store up ferric ammonium sulfate container through the tube coupling of taking sixteenth valve 16, store up the absorption liquid container through the tube coupling of taking seventeenth valve 17. Wherein the connection of the line with the thirteenth valve 13 and the line with the fourteenth valve 14 to said line with the fifth pump 105 is situated in front of the fifth pump 105, and the connection of the line with the fifteenth valve 15, the line with the sixteenth valve 16 and the line with the seventeenth valve 17 to said line with the fifth pump 105 is situated between the fifth pump 105 and the eleventh valve 11.
The rear end of the eleventh valve 11 is connected with a pipeline which is provided with a tenth valve 10 and is connected with an emptying pipe, and the other end of the pipeline extends into the reaction bottle 25. The evacuation pipe is provided with a ninth valve 9 as an evacuation valve.
The rear end of the eleventh valve 11 is further connected to a pipe line having a tenth valve 12, the pipe line having the tenth valve 12 is connected to a second waste liquid tank 21 through a pipe line having an eighteenth valve 18, the pipe line having a second pump 102 is connected to a nineteenth valve 19, the other end of the pipe line having the second pump 102 extends into the absorption bottle 23, and the other end of the pipe line having a third pump 103 extends into the cuvette 24 through a twentieth valve 20.
The second waste liquid tank 21 and the first waste liquid tank 27 may be combined into one.
The embodiment of the utility model discloses an embodiment still includes controlling means, controlling means connects and controls respectively valve and pump.
The following are examples of analytical procedures.
Firstly, opening the oil bath heating container 26 and starting heating;
secondly, opening the second valve 2, the sixth valve 6, the seventh valve 7 and the ninth valve 9 as an emptying valve, and injecting deionized water into the reaction flask 25 by using the first pump 101 for cleaning the reaction flask 25;
thirdly, opening the seventh valve 7, the eighth valve 8 and the ninth valve 9, sucking deionized water from the reaction bottle 25 by using the first pump 101 and discharging the deionized water to the first waste liquid tank 27, and emptying the reaction bottle 25;
and repeating the first step and the second step to clean the reaction bottle 25.
Fourthly, opening the seventeenth valve 17, the eleventh valve 11, the twelfth valve 12 and the nineteenth valve 19, and injecting the absorption liquid into the absorption bottle 23 by using the second pump 102; (this step can be carried out while the first and second steps are carried out)
Fifthly, opening the fifth valve 5, the sixth valve 6, the seventh valve 7 and the ninth valve 9, and injecting the measured water sample into the reaction bottle 25 by using the first pump 101;
sixthly, opening the second valve 2, the sixth valve 6, the seventh valve 7 and the ninth valve 9, and injecting deionized water into the reaction bottle 25 by using the first pump 101 to dilute the sample (this step is not necessary, and only aims at the sample with the highest concentration exceeding the calibration curve);
seventhly, opening the fourth valve 4, the sixth valve 6, the seventh valve 7 and the ninth valve 9, and injecting an antioxidant serving as a pretreatment reagent into the reaction bottle 25 by using the first pump 101;
eighthly, opening the first valve 1, the sixth valve 6, the seventh valve 7, the tenth valve 10, the tenth valve 12 and the nineteenth valve 19, and blowing nitrogen into the reaction bottle 25 to remove oxygen;
ninthly, opening the third valve 3, the sixth valve 6, the seventh valve 7 and the ninth valve 9, and injecting acid liquor serving as a pretreatment reagent into the reaction bottle 25 by using the first pump 101;
ten, opening the first valve 1, the sixth valve 6, the seventh valve 7, the tenth valve 10, the twelfth valve 12 and the nineteenth valve 19 to blow nitrogen into the reaction bottle 25, and carrying out acidification-blowing reaction in an oil bath according to the set time;
eleventh, opening the fifteenth valve 15, the eleventh valve 11, the twelfth valve 12, and the nineteenth valve 19, and injecting N, N-dimethyl-p-phenylenediamine hydrochloride as a color-developing reagent into the absorption bottle 23 by the second pump 102;
twelfth, opening a sixteenth valve 16, an eleventh valve 11, a twelfth valve 12 and a nineteenth valve 19, and injecting ferric ammonium sulfate as a color-developing reagent into the absorption bottle 23 by using a second pump 102;
thirteen, opening a thirteenth valve 13, an eleventh valve 11, a twelfth valve 12 and a nineteenth valve 19 to blow nitrogen into the absorption bottle 23 for uniformly mixing; standing for 10min
Fourteen, opening a fourteenth valve 14, an eleventh valve 11, a twelfth valve 12 and a nineteenth valve 19, and injecting deionized water into the absorption bottle 23 by using a second pump 102 for constant volume;
fifteen, opening a thirteenth valve 13, an eleventh valve 11, a twelfth valve 12 and a nineteenth valve 19, blowing nitrogen to the absorption bottle 23 and uniformly mixing
Sixthly, opening a fourteenth valve 14, an eleventh valve 11, a twelfth valve 12 and a twentieth valve 20, and injecting deionized water into the colorimetric pool 24 by using a third pump 103;
seventhly, opening the eighteenth valve 18 and the twentieth valve 20, sucking the deionized water from the colorimetric pool 24 by using the third pump 103, discharging the deionized water to the second waste liquid tank 21, and emptying the colorimetric pool 24;
repeating the sixteenth step and the seventeenth step, cleaning the colorimetric pool 24, and resetting the colorimetric system.
Eighteen, opening the nineteenth valve 19 and the twentieth valve 20, sampling by using an absorption bottle of the second pump 102, injecting into the colorimetric pool 24, and rinsing the colorimetric pool;
nineteen, opening the eighteenth valve 18 and the twentieth valve 20, using the third pump 103 to extract the sample from the colorimetric pool 24 and discharge the sample to the second waste liquid tank 21, and emptying the colorimetric pool 24;
repeating the eighteen steps and the nineteen steps, and rinsing the colorimetric pool 24;
twenty, opening the nineteenth valve 19 and the twentieth valve 20, and using the second pump 102 to take a sample from the absorption bottle and inject the sample into the colorimetric pool 24 for color comparison;
repeating the step nineteen;
repeating the sixteen and seventeen steps;
twenty-one, opening the eighteenth valve 18 and the nineteenth valve 19, and pumping up the sample from the absorption bottle 23 by using the second pump 102 and injecting the sample into the second waste liquid tank 21;
twenty-two, opening the fourteenth valve 14, the eleventh valve 11, the twelfth valve 12 and the nineteenth valve 19, and injecting deionized water into the absorption bottle 23 by using the second pump 102 for cleaning the absorption bottle 23;
repeating the twenty-first step and the twenty-second step;
twenty-third, the outer end of the pipeline with the third valve 3, the pipeline with the fourth valve 4 and the pipeline with the fifth valve 5 are respectively moved into the first waste liquid cylinder 27 from the acid storage container, the antioxidant storage container and the tested water sample storage container, the second valve 2, the third valve 3, the fourth valve 4 and the fifth valve 5 are opened, and the fourth pump 104 is used for cleaning the part of the pipeline;
twenty four, the pipeline with the fifteenth valve 15, the pipeline with the sixteenth valve 16 and the outer end of the pipeline with the seventeenth valve 17 are respectively moved from the N, N-dimethyl-p-phenylenediamine hydrochloride storage container, the ferric ammonium sulfate storage container and the absorption liquid storage container into the second waste liquid tank 21, the fourteenth valve 14, the fifteenth valve 15, the sixteenth valve 16 and the seventeenth valve 17 are opened, and the fifth pump 105 is used for cleaning the pipelines.
Description of the drawings: the first to twentieth valves are preferably solenoid valves and are respectively connected with a control device, and opening a certain valve means conducting the valve, and the unopened valve is in an off state. The first pump 101, the second pump 102 and the third pump 103 are all bidirectional pumps, and the fourth pump 104 and the fifth pump 105 are all unidirectional pumps, which provide power for pumping fluid when the pumps are started and can conduct fluid when the pumps are not started.
Claims (7)
1. Sulphide autoanalyzer, including reaction flask (25), absorption flask (23) and color comparison pond (24), its characterized in that: the device is characterized by also comprising a pipeline with a fourth pump (104), wherein the pipeline with the fourth pump (104) is respectively connected with a first waste liquid cylinder (27) and a pipeline with a first pump (101) through a pipeline with a valve, the pipeline with the first pump (101) extends into the reaction bottle (25), and the first waste liquid cylinder (27) is communicated with the reaction bottle (25) through the pipeline with the valve; the pipeline with the fourth pump (104) is respectively connected with a nitrogen storage container, a deionized water storage container, a measured water sample storage container and a pretreatment reagent storage container; the device is characterized by also comprising a pipeline with a fifth pump (105), wherein the pipeline with the fifth pump (105) is respectively connected with an emptying pipe through a pipeline with a valve and is connected with the reaction bottle (25), the pipeline with the fifth pump (105) is also connected with a second waste liquid cylinder (21) through a pipeline with a valve, is connected with the absorption bottle (23) through a pipeline with a second pump (102), and is connected with the colorimetric pool (24) through a pipeline with a third pump (103); any two of the second waste liquid cylinder (21), the absorption bottle (23) and the reaction bottle (25) are communicated through a pipeline with a valve; the absorption bottle (23) is connected with another emptying pipe; the pipeline with the fifth pump (105) is respectively connected with a nitrogen storage container, a deionized water storage container, an absorption liquid storage container and a color development reagent storage container.
2. The automatic sulfide analyzer according to claim 1, wherein: the bottom of the reaction bottle (25) is provided with a reaction bottle lower groove (251); a reaction bottle porous glass plate (252) is arranged in the reaction bottle (25); the upper part of the reaction bottle (25) is spherical or ellipsoidal.
3. The automatic sulfide analyzer according to claim 1, wherein: the reaction bottle (25) is arranged in an oil bath heating container (26); the oil bath heating vessel (26) is connected to a temperature control element.
4. The automatic sulfide analyzer according to claim 1, wherein: the bottom of the absorption bottle (23) is provided with an absorption bottle lower groove (231); an absorption bottle porous glass plate (232) is arranged inside the absorption bottle (23); the upper part of the absorption bottle (23) is spherical or ellipsoidal.
5. The automatic sulfide analyzer according to claim 1, wherein: the bottom of the colorimetric pool (24) is provided with a lower groove (241) of the colorimetric pool.
6. The automatic sulfide analyzer according to claim 1, wherein: the tail end of an emptying pipe connected with the absorption bottle (23) is connected with an exhaust gas collecting device (22).
7. The automatic sulfide analyzer according to any one of claims 1 to 6, wherein: the automatic analyzer further comprises a control device which is respectively connected with and controls the valve and the pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605351.0U CN214427264U (en) | 2021-03-25 | 2021-03-25 | Automatic sulfide analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605351.0U CN214427264U (en) | 2021-03-25 | 2021-03-25 | Automatic sulfide analyzer |
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| Publication Number | Publication Date |
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| CN214427264U true CN214427264U (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120605351.0U Active CN214427264U (en) | 2021-03-25 | 2021-03-25 | Automatic sulfide analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116106488A (en) * | 2023-04-13 | 2023-05-12 | 深圳市帝迈生物技术有限公司 | Sample analyzer |
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2021
- 2021-03-25 CN CN202120605351.0U patent/CN214427264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116106488A (en) * | 2023-04-13 | 2023-05-12 | 深圳市帝迈生物技术有限公司 | Sample analyzer |
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