CN211740836U - Oil content enrichment extraction device in water - Google Patents
Oil content enrichment extraction device in water Download PDFInfo
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- CN211740836U CN211740836U CN202020134595.0U CN202020134595U CN211740836U CN 211740836 U CN211740836 U CN 211740836U CN 202020134595 U CN202020134595 U CN 202020134595U CN 211740836 U CN211740836 U CN 211740836U
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Abstract
The utility model discloses an aquatic oil content enrichment extraction device mainly relates to extraction technical field. Comprises a rotary disc and a liquid transfer passage; the bottom of the table is provided with a transmission mechanism for controlling the rotation of the turntable, and the top of the turntable is provided with a plurality of water sample bottle bodies in an annular array; the liquid transfer passage comprises an extraction liquid placing bottle, a multi-way reversing valve, a waste liquid bottle, a water filtering device, a magnesium silicate device, a measuring cuvette and a first air pump. The beneficial effects of the utility model reside in that: the device can continuously extract and measure a plurality of water samples; and use this extraction measuring device, in whole operation process full automation completion, need not to touch any liquid with the hand, it is safer to measure the experimentation. The waste liquid is discharged by negative pressure transfer of an air pump. But also can clean the pipeline by the principle of negative pressure transfer.
Description
Technical Field
The utility model relates to an extraction technical field specifically is an aquatic oil content enrichment extraction device.
Background
The measurement of oil in water is an important index for environmental protection detection. The extraction agent adopted by the existing device for enriching and extracting oil in water is tetrachloroethylene or carbon tetrachloride. The two substances are organic solvents and toxic and harmful substances, and the current extraction technology is mostly semi-automatic in a manual mode. This results in the operator being exposed to the noxious, harmful substances.
At present, the liquid is transferred in a peristaltic mode adopted by a full-automatic extraction instrument, and the quantity of a peristaltic pump is inaccurate along with the increase of the use times and the change of the external temperature. Because the oil in water is enriched and extracted by using an organic solvent. The internal pump pipe of the peristaltic pump is made of rubber, and the pump pipe is easily damaged after the pipeline passes through the organic solvent. The mode adopts single sample extraction, and can not continuously extract a plurality of samples at the same time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an in-water oil enrichment and extraction device which can continuously extract and measure a plurality of water samples; and use this extraction measuring device, in whole operation process full automation completion, need not to touch any liquid with the hand, it is safer to measure the experimentation. The waste liquid is discharged by negative pressure transfer of an air pump. But also can clean the pipeline by the principle of negative pressure transfer.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
an oil-in-water enrichment and extraction device comprises a rotary disc and a liquid transfer passage;
the rotary table is arranged on a table, a transmission mechanism for controlling the rotary table to rotate is arranged at the bottom of the table, a plurality of water sample bottle bodies are arranged on the top of the rotary table in an annular array mode, and the transmission mechanism adopts a stepping motor to provide power;
liquid transfer path:
the liquid transfer passage comprises an extraction liquid placing bottle, a multi-way reversing valve, a waste liquid bottle, a water filtering device, a magnesium silicate device, a measuring cuvette and a first air pump;
one valve interface of the multi-way reversing valve is connected with a hard pipette through a first infusion pipeline, a plunger pump is arranged on the multi-way reversing valve, the other valve interface of the multi-way reversing valve is communicated with an extract liquid placing bottle through a second infusion pipeline, and a first two-way valve is arranged on the second infusion pipeline;
the magnesium silicate device is arranged on the fourth infusion pipeline, the third interface of the first three-way valve is connected with the fifth infusion pipeline, and the fourth infusion pipeline and the fifth infusion pipeline are both connected with the measurement cuvette;
the measurement cuvette is connected with a waste liquid bottle through a six-number infusion pipeline, and a second two-way valve is arranged on the six-number infusion pipeline;
the waste liquid bottle is connected with a first air pump through a seventh infusion pipeline, and a third two-way valve is arranged on the seventh infusion pipeline.
Still include rabbling mechanism, rabbling mechanism includes a vertical lift mechanism, agitator motor, (mixing) shaft and stirring vane, agitator motor drive (mixing) shaft's rotation, agitator motor, (mixing) shaft and stirring vane accomplish through a vertical lift mechanism and go up and down.
Still include liquid transfer mechanism in the water sample bottle, liquid transfer mechanism includes second vertical lift mechanism, stereoplasm pipette in the water sample bottle, the stereoplasm pipette accomplishes the lift through second vertical lift mechanism.
The first vertical lifting mechanism and the second vertical lifting mechanism are cylinders or lead screw and nut transmission mechanisms.
The waste liquid bottle is connected with a waste liquid transfer pipe, a one-way valve is arranged on the waste liquid transfer pipe, and the tail end of the waste liquid transfer pipe is connected with a hard pipette.
The water filtering device comprises a hydrophobic filtering membrane device and an anhydrous sodium sulfate device; one valve interface of the multi-way reversing valve is connected with the anhydrous sodium sulfate device through a third infusion pipeline I, one valve interface of the multi-way reversing valve is connected with the drainage filtering membrane device through a third infusion pipeline II, and one interfaces of the third infusion pipeline I, the third infusion pipeline II and the first three-way valve are connected through a second three-way valve.
The hydrophobic filtering membrane device or the anhydrous sodium sulfate device is installed on the corresponding pipeline through a quick-release structure.
One valve interface of the multi-way reversing valve is connected with a second air pump through an eight-number infusion pipeline, and a four-number two-way valve is arranged on the eight-number infusion pipeline.
The motor switch of the stepping motor is a foot switch.
Contrast prior art, the beneficial effects of the utility model reside in that:
by using the device, a plurality of water sample samples can be continuously extracted and measured; and use this extraction measuring device, in whole operation process full automation completion, need not to touch any liquid with the hand, it is safer to measure the experimentation. The waste liquid is discharged by negative pressure transfer of an air pump. But also can clean the pipeline by the principle of negative pressure transfer.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic diagram of a liquid transfer line.
Reference numerals shown in the drawings:
1. a turntable; 2. a table; 3. a transmission mechanism; 4. a water sample bottle body; 5. erecting a beam; 6. a first vertical lift mechanism; 7. a stirring motor; 8. a stirring shaft; 9. a stirring blade; 10. a second vertical lift mechanism; 11. a rigid pipette; 12. placing the extract liquor in a bottle; 13. a multi-way reversing valve; 14. a waste liquid bottle; 15. a water filtering device; 16. a magnesium silicate device; 17. measuring a cuvette; 18. a first air pump; 19. a second air pump; 20. a waste liquid transfer tube; 21. a one-way valve; 22. a first infusion pipeline; 23. a plunger pump; 24. a second infusion pipeline; 25. a first two-way valve; 26. a third infusion pipeline; 27. a first three-way valve; 28. a fourth infusion pipeline; 29. a fifth infusion pipeline; 30. a six-way transfusion pipeline; 31. a second two-way valve; 32. a seventh infusion pipeline; 33. a second-way valve; 34. an eight-number infusion pipeline; 35. a number four two-way valve; 36. a hydrophobic filtration membrane device; 37. an anhydrous sodium sulfate unit; 38. a third infusion pipeline I; 39. a third infusion pipeline II; 40. and a second three-way valve.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
An aquatic oil content enrichment extraction device, major structure includes that liquid shifts mechanism, liquid in carousel 1, rabbling mechanism, the water sample bottle and shifts the route.
A rotary table 1: carousel 1 sets up on table 2, and 3 control through the drive mechanism of table 2 bottoms rotate, and 1 top ring array of carousel sets up 8 water sample bottle bodies 4, and drive mechanism 3 adopts step motor to provide power, and every time the switch of pressing the motor, step motor rotates the step angle of certain angle. In this embodiment, the top of the rotary table 1 is provided with 8 water sample bottle bodies 4 in an annular array, so that the stepping motor rotates by a 45-degree stepping angle when the motor is turned on or off. The switch of motor selects the foot switch for use, and the user adds a water sample bottle body 4, steps on the foot switch and then carousel 1 rotates an angle of 45.
The stirring mechanism comprises: the table 2 is provided with a frame beam 5. The stirring mechanism comprises a first vertical lifting mechanism 6, a stirring motor 7, a stirring shaft 8 and stirring blades 9, the first vertical lifting mechanism 6 is arranged on the frame beam 5, the stirring blades 9 are arranged at the bottom of the stirring shaft 8, the stirring motor 7 drives the stirring shaft 8 to rotate, and the stirring motor 7, the stirring shaft 8 and the stirring blades 9 complete lifting through the first vertical lifting mechanism 6. The first vertical lifting mechanism 6 can adopt an air cylinder, a screw nut transmission mechanism 3 and the like, and the air cylinder is adopted in the embodiment.
Liquid transfer mechanism in the water appearance bottle: the liquid transfer mechanism in the water sample bottle comprises a second vertical lifting mechanism 10 and a hard pipette 11, wherein the hard pipette 11 is lifted by the second vertical lifting mechanism 10.
Liquid transfer path: the liquid transfer path comprises an extract liquid placing bottle 12, a multi-way reversing valve 13, a waste liquid bottle 14, a water filtering device 15, a magnesium silicate device 16, a measuring cuvette 17, a first air pump 18 and a second air pump 19. The waste liquid bottle 14 is communicated with the hard pipette 11 through a waste liquid transfer pipe 20, and a one-way valve 21 is arranged on the waste liquid transfer pipe 20; one valve interface of the multi-way reversing valve 13 is communicated with the hard pipette 11 through a first infusion pipeline 22, a plunger pump 23 is arranged on the multi-way reversing valve 13, one valve interface of the multi-way reversing valve 13 is communicated with the extraction liquid placing bottle 12 through a second infusion pipeline 24, and a first two-way valve 25 is arranged on the second infusion pipeline 24. One of them valve interface of multi-way reversing valve 13 is connected with water filtering device 15 through No. three infusion pipeline 26, and water filtering device 15 is connected with an interface of a three-way valve 27, and the second interface of a three-way valve 27 is connected with No. four infusion pipeline 28, and magnesium silicate device 16 sets up on No. four infusion pipeline 28, and the third interface of a three-way valve 27 is connected with No. five infusion pipeline 29, and No. four infusion pipeline 28, No. five infusion pipeline 29 all are connected with measurement cell 17. The measurement cuvette 17 is connected with the waste liquid bottle 14 through a six-number transfusion pipeline 30, and a second two-way valve 31 is arranged on the six-number transfusion pipeline 30. The waste liquid bottle 14 is connected with the first air pump 18 through a seventh infusion pipeline 32, and a third two-way valve 33 is arranged on the seventh infusion pipeline 32. One valve interface of the multi-way reversing valve 13 is connected with the second air pump 19 through an eight-number infusion pipeline 34, and a four-number two-way valve 35 is arranged on the eight-number infusion pipeline 34.
The water filtering device 15 can adopt a hydrophobic filtering membrane device 36 or an anhydrous sodium sulfate device 37. One valve interface of the multi-way reversing valve 13 is connected with the anhydrous sodium sulfate device 37 through a third infusion pipeline I38, one valve interface of the multi-way reversing valve 13 is connected with the hydrophobic filtering membrane device 36 through a third infusion pipeline II39, and one interface of the third infusion pipeline I38, the third infusion pipeline II39 and the first three-way valve 27 is connected through a second three-way valve 40. The hydrophobic filtering membrane device 36 or the anhydrous sodium sulfate device 37 is installed on the corresponding pipeline through a quick-release structure.
Methods and procedures used in the experiments:
stage one:
laboratory operators put the collected water samples from other places into a plurality of water sample bottle bodies 4. After the water sample bottle bodies 4 are placed on the rotary table 1 in an annular array mode, the extracting agents are sequentially added into each water sample bottle body 4, and after all the extracting agents are added, each extracting bottle is stirred and fused. The oil content in the seed water sample can be blended into the extracting agent during the stirring process. The water sample and the extractant can be layered after the extraction stirring is finished, because the specific gravity of the extractant is mostly in the lower half part of the water sample bottle body 4.
The method for adding the extracting agent into the water sample bottle body 4 comprises the following steps: as shown in the attached figure 4 of the specification, the first two-way valve 25 is opened, the second valve port of the multi-way reversing valve 13 is opened, the other valve ports are closed, and the plunger pump 23 sucks the extracting agent in the extracting solution containing bottle 12 into the plunger pump 23 through the second infusion pipeline 24. Then the first two-way valve 25 is closed, the third valve port of the multi-way reversing valve 13 is opened, the other valve ports are closed, the one-way valve 21 on the waste liquid transfer pipe 20 is closed, and then the plunger pump 23 sequentially passes through the first infusion pipeline 22 and the hard pipette 11 to add the extractant into the water sample bottle body 4.
The switch of the motor is pressed, the stepping motor rotates by a stepping angle of 45 degrees, and the other water sample bottle body 4 is aligned with the stirring shaft 8 and the hard pipette 11. And then the extracting agent is added into the other water sample bottle body 4 by the method. Until the extractant is added into the body 4 of each water sample bottle.
Stirring and fusing an extracting agent and a water sample: after the stirring motor 7, the stirring shaft 8 and the stirring blade 9 are descended through the first vertical lifting mechanism 6, the stirring blade 9 is placed in the solution in the water sample bottle body 4, and the stirring motor 7 drives the stirring shaft 8 to rotate for stirring. After the solution in one water sample bottle body 4 is stirred, the stirring motor 7, the stirring shaft 8 and the stirring blade 9 are lifted by the first vertical lifting mechanism 6, and the stepping motor is rotated by 45 degrees by a stepping angle by pressing the foot switch of the motor, so that the other water sample bottle body 4 is aligned with the stirring shaft 8. Then, the solution in the other water sample bottle body 4 is stirred by the method until the solution in each water sample bottle body 4 is stirred.
And a second stage:
the specific gravity of the extractant is mostly in the lower half part of the water sample bottle body 4. The bottom end of the hard pipette 11 is inserted into the bottom of the water sample bottle body 4 through the second vertical lifting mechanism 10.
The one-way valve 21 on the waste liquid transfer pipe 20 is closed, the third valve port of the multi-way reversing valve 13 is opened, the other valve ports are closed, and then the plunger pump 23 sucks the bottom layer extraction solution into the plunger pump 23 through the hard pipette 11 and the first infusion pipeline 22 in sequence. Then the valve port seven or the valve port eight of the multi-way reversing valve 13 is opened, the other valve ports are closed, and the plunger pump 23 injects the extraction solution into the water filtering device 15 for water removal. The water filtering device 15 can adopt a hydrophobic filtering membrane device 36 or an anhydrous sodium sulfate device 37. The eight valve interfaces of the multi-way reversing valve 13 are connected with the anhydrous sodium sulfate device 37 through a three-way infusion pipeline I38, the seven valve interfaces of the multi-way reversing valve 13 are connected with the hydrophobic filtering membrane device 36 through a three-way infusion pipeline II39, and one interface of the three-way infusion pipeline I38, the three-way infusion pipeline II39 and the first three-way valve 27 is connected through a second three-way valve 40. The second three-way valve 40 controls the opening and closing of the third infusion pipeline I38 and the third infusion pipeline II 39.
And a third stage:
the first condition is as follows: when measuring total oil mass, the third interface of a three-way valve 27 is opened, a five-way infusion pipeline 29 is communicated, and the filtered extraction solution directly flows into the measurement cuvette 17. And then, measuring the extraction solution in the color dish by using a matched oil measuring instrument (measuring the absorbance of the extraction liquid, and calculating the content of the oil in the water sample by using a national standard 7637 algorithm in an infrared spectrophotometry for measuring the petroleum and the animal and vegetable oils).
Case two: when the petroleum oil quantity is measured, the second interface of the first three-way valve 27 is opened, the fourth infusion pipeline 28 is communicated, the magnesium silicate device 16 is arranged on the fourth infusion pipeline 28, the magnesium silicate device 16 can adsorb animal and vegetable oil, so that only petroleum exists in the solution, and the extraction solution after water filtration directly flows into the measurement cuvette 17. And then, measuring the extraction solution in the color dish by using a matched oil measuring instrument (measuring the absorbance of the extraction liquid, and calculating the content of the oil in the water sample by using a national standard 7637 algorithm in an infrared spectrophotometry for measuring the petroleum and the animal and vegetable oils).
And a fourth stage:
and (6) collecting waste liquid.
And (3) collecting the residual upper-layer aqueous solution in the first water sample bottle body 4. The waste liquid bottle 14 is in a closed state, the first air pump 18 pumps air in the waste liquid bottle 14 through the No. seven infusion tube, the one-way valve 21 on the waste liquid transfer tube 20 is opened, the other valves are all closed, at the moment, the waste liquid bottle 14 generates negative pressure, and the upper-layer aqueous solution waste liquid in the water sample bottle body 4 flows into the waste liquid bottle 14 through the waste liquid transfer tube 20.
Second, the collection of waste liquid in the measurement cuvette 17. The waste liquid bottle 14 is in a closed state, the first air pump 18 pumps air in the waste liquid bottle 14 through the seven-way infusion pipeline 32, the one-way valve 21 on the waste liquid transfer pipe 20 is closed, the two-way valve 31 on the six-way infusion pipeline 30 is opened, the rest valves are closed, at the moment, the waste liquid bottle 14 generates negative pressure, and waste liquid in the measurement cuvette 17 flows into the waste liquid bottle 14 through the six-way infusion pipeline 30.
And a fifth stage:
and (5) water sample cleaning of the pipeline. The fourth two-way valve 35 on the eighth infusion pipeline 34 is opened, the second air pump 19 pumps air in the pipeline out through the eighth infusion pipeline 34 to form negative pressure in the pipeline, and then the pipeline is cleaned through clean water.
In addition, switches of the first vertical lifting mechanism 6 and the second vertical lifting mechanism 10 are arranged on the top of the frame beam 5.
Claims (9)
1. The utility model provides an aquatic oil content enrichment extraction element which characterized in that: comprises a rotary disc and a liquid transfer passage;
the rotary table is arranged on a table, a transmission mechanism for controlling the rotary table to rotate is arranged at the bottom of the table, a plurality of water sample bottle bodies are arranged on the top of the rotary table in an annular array mode, and the transmission mechanism adopts a stepping motor to provide power;
liquid transfer path:
the liquid transfer passage comprises an extraction liquid placing bottle, a multi-way reversing valve, a waste liquid bottle, a water filtering device, a magnesium silicate device, a measuring cuvette and a first air pump;
one valve interface of the multi-way reversing valve is connected with a hard pipette through a first infusion pipeline, a plunger pump is arranged on the multi-way reversing valve, the other valve interface of the multi-way reversing valve is communicated with an extract liquid placing bottle through a second infusion pipeline, and a first two-way valve is arranged on the second infusion pipeline;
the magnesium silicate device is arranged on the fourth infusion pipeline, the third interface of the first three-way valve is connected with the fifth infusion pipeline, and the fourth infusion pipeline and the fifth infusion pipeline are both connected with the measurement cuvette;
the measurement cuvette is connected with a waste liquid bottle through a six-number infusion pipeline, and a second two-way valve is arranged on the six-number infusion pipeline;
the waste liquid bottle is connected with a first air pump through a seventh infusion pipeline, and a third two-way valve is arranged on the seventh infusion pipeline.
2. The device for enriching and extracting oil in water according to claim 1, wherein: still include rabbling mechanism, rabbling mechanism includes a vertical lift mechanism, agitator motor, (mixing) shaft and stirring vane, agitator motor drive (mixing) shaft's rotation, agitator motor, (mixing) shaft and stirring vane accomplish through a vertical lift mechanism and go up and down.
3. The device for enriching and extracting oil in water according to claim 2, wherein: still include liquid transfer mechanism in the water sample bottle, liquid transfer mechanism includes second vertical lift mechanism, stereoplasm pipette in the water sample bottle, the stereoplasm pipette accomplishes the lift through second vertical lift mechanism.
4. The device for enriching and extracting oil in water according to claim 3, wherein: the first vertical lifting mechanism and the second vertical lifting mechanism are cylinders or lead screw and nut transmission mechanisms.
5. The device for enriching and extracting oil in water according to claim 1, wherein: the waste liquid bottle is connected with a waste liquid transfer pipe, a one-way valve is arranged on the waste liquid transfer pipe, and the tail end of the waste liquid transfer pipe is connected with a hard pipette.
6. The device for enriching and extracting oil in water according to claim 1, wherein: the water filtering device comprises a hydrophobic filtering membrane device and an anhydrous sodium sulfate device; one valve interface of the multi-way reversing valve is connected with the anhydrous sodium sulfate device through a third infusion pipeline I, one valve interface of the multi-way reversing valve is connected with the drainage filtering membrane device through a third infusion pipeline II, and one interfaces of the third infusion pipeline I, the third infusion pipeline II and the first three-way valve are connected through a second three-way valve.
7. The device of claim 6, wherein the device comprises: the hydrophobic filtering membrane device or the anhydrous sodium sulfate device is installed on the corresponding pipeline through a quick-release structure.
8. The device for enriching and extracting oil in water according to claim 1, wherein: one valve interface of the multi-way reversing valve is connected with a second air pump through an eight-number infusion pipeline, and a four-number two-way valve is arranged on the eight-number infusion pipeline.
9. The device for enriching and extracting oil in water according to claim 1, wherein: the motor switch of the stepping motor is a foot switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020134595.0U CN211740836U (en) | 2020-01-20 | 2020-01-20 | Oil content enrichment extraction device in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020134595.0U CN211740836U (en) | 2020-01-20 | 2020-01-20 | Oil content enrichment extraction device in water |
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| Publication Number | Publication Date |
|---|---|
| CN211740836U true CN211740836U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020134595.0U Active CN211740836U (en) | 2020-01-20 | 2020-01-20 | Oil content enrichment extraction device in water |
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|---|---|
| CN (1) | CN211740836U (en) |
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2020
- 2020-01-20 CN CN202020134595.0U patent/CN211740836U/en active Active
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