CN210071354U - System for volatile substance labeling test - Google Patents
System for volatile substance labeling test Download PDFInfo
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- CN210071354U CN210071354U CN201920868571.5U CN201920868571U CN210071354U CN 210071354 U CN210071354 U CN 210071354U CN 201920868571 U CN201920868571 U CN 201920868571U CN 210071354 U CN210071354 U CN 210071354U
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- water
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- 238000002372 labelling Methods 0.000 title claims abstract description 38
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 239000000126 substance Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 212
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 239000002351 wastewater Substances 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 10
- 238000004065 wastewater treatment Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000000746 purification Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 229960001701 chloroform Drugs 0.000 description 11
- 239000000243 solution Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000011550 stock solution Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000012421 spiking Methods 0.000 description 3
- 239000012086 standard solution Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003988 headspace gas chromatography Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a system for volatile substance adds mark test relates to water purification unit technical field. This a system for volatile substance adds mark test adopts sealed mixed water tank splendid attire to add mark solution, adds the mark thing for convenient input, is provided with one and throws the workbin with the inlet channel links to each other and is used for adding the mark thing to mixed water tank input, sets up an air compressor regulation mixed water tank internal gas pressure simultaneously, prevents to form the low pressure in the mixed water tank, is unfavorable for the drainage. Compared with the prior art, the mixing water tank for containing the labeling solution is sealed, so that volatile labeling substances can be prevented from escaping from the labeling system in the labeling process, the accurate control of the labeling concentration of the volatile substances in the mixing water tank is ensured, and the accuracy and reliability of the labeling test result are further ensured; meanwhile, the problem that volatile labeling substances escape to threaten the health of testers is solved.
Description
Technical Field
The utility model relates to a water purification unit technical field especially relates to a system that is used for volatile substances to add mark test.
Background
In a functional evaluation test of a water purification apparatus and its components, a labeling test is generally performed. For example, in the contaminant removal capability test of a water purification filter element, a certain concentration of contaminant spiking solution is prepared, a certain volume of spiking solution is passed through the filter element, and the concentration level of the contaminant in the effluent of the filter element is tested, so as to examine the removal capability of the filter element. In the actual labeling test process, the labeling port of the labeling tank is generally open, so that the pressure above the labeling liquid is communicated with the atmospheric pressure, the labeling object is conveniently put in, and the labeling tank can smoothly discharge water. Uncovered mark jar that adds does not have good leakproofness, carries out volatile materials when adding the mark, volatile materials can volatilize through adding the mark mouth, leads to volatile materials's the mark concentration that adds to be difficult to accurate control, and the poisonous and harmful pollutant that volatilizees simultaneously can pollute and add the environment in mark region, increases tester's healthy risk. Therefore, the labeling tank with good sealing performance can effectively control the concentration level of volatile pollutants and reduce the harm of the pollutants to testers.
Disclosure of Invention
The utility model aims to solve the technical problem that a system for volatile substance adds mark test is provided to solve and add mark in-process volatility and add mark material and from adding mark system and overflowing, lead to adding the problem that mark concentration is difficult to control, and threaten the healthy problem of tester.
In order to solve the technical problem, the utility model discloses a as follows technical scheme:
a system for volatile substance labeling test comprises a sealed mixed water tank, wherein the mixed water tank is respectively connected with a water inlet pipeline, a material feeding box, a water outlet pipeline, a waste water pipeline and an air compressor; the mixing water tank is internally provided with a gas pressure sensor, a liquid level meter and a stirring rod, and the gas pressure sensor is in signal connection with the air compressor and is used for controlling the operation of the air compressor; a first water inlet valve and a second water inlet valve are arranged on the water inlet pipeline, one end of the feeding box is connected with the mixed water tank, the other end of the feeding box is connected with the water inlet pipeline through a third water inlet valve to form a first intersection node, and the first intersection node is positioned between the first water inlet valve and the second water inlet valve; the water outlet pipeline is sequentially provided with a water meter, a first water outlet valve and a tested element; the water outlet pipeline is also provided with a water outlet branch water channel, the water outlet branch water channel is connected with the water outlet pipeline to form a second intersection node, the second intersection node is positioned between the water meter and the mixed water tank, the water outlet branch water channel is provided with a sampling port, and a second water outlet valve is arranged between the sampling port and the second intersection node.
Preferably, the mixed water tank is connected with a wastewater treatment system through a wastewater pipeline, and a third water outlet valve is arranged on the wastewater pipeline.
Preferably, the branch water outlet path is connected with the wastewater treatment system, and a water valve is arranged on the branch water outlet path and is located between the wastewater treatment system and the second junction node.
Preferably, the water outlet pipeline is further provided with a booster pump and a pressure gauge, and the booster pump and the pressure gauge are located between the second junction node and the mixed water tank.
Preferably, the water outlet pipeline is further provided with a flow meter and a flow regulating valve, and the flow meter and the flow regulating valve are located between the water meter and the first water outlet valve.
Preferably, a first electromagnetic valve is further arranged on the water inlet pipeline, the first electromagnetic valve is located between the first water inlet valve and the first intersection node, and a float switch is further arranged inside the mixed water tank and is in signal connection with the first electromagnetic valve, and is used for controlling the opening and closing of the first electromagnetic valve so as to control the water level of the mixed water tank.
Preferably, a first check valve is further arranged on the water inlet pipeline and is positioned between the second water inlet valve and the mixed water tank; a second check valve is also arranged between the feeding box and the mixing water tank.
Preferably, the exhaust pipeline of the air compressor is connected with the mixed water tank, a second electromagnetic valve and an air inlet valve are sequentially arranged on the exhaust pipeline, and the gas pressure sensor is in signal connection with the second electromagnetic valve and used for controlling the opening and closing of the second electromagnetic valve so as to control the air pressure of the mixed water tank.
Preferably, a third check valve is further disposed on the exhaust pipeline, and the third check valve is located between the mixing water tank and the second electromagnetic valve.
The utility model has the advantages of: the utility model adopts the sealed mixing water tank to contain the labeling solution, avoids the volatile labeling substance escaping from the labeling system in the labeling process, ensures the accurate control of the labeling concentration of the volatile substance in the mixing water tank, and further ensures the accuracy and reliability of the labeling test result; meanwhile, the problem that volatile labeling substances escape to threaten the health of testers is solved.
Drawings
Fig. 1 is a schematic structural diagram of a system for volatile substance labeling test according to the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, in an embodiment of the present invention, a system for volatile substance labeling test includes a sealed mixed water tank 3, a water inlet pipeline 1, a feeding box 2, an air compressor 4, a water outlet pipeline 14 and a waste water pipeline 15, wherein the water inlet pipeline 1 is connected to the mixed water tank 3, the feeding box 2 is connected to the mixed water tank 3, an exhaust pipeline 18 of the air compressor 4 is connected to the mixed water tank 3, the water outlet pipeline 14 is connected to the bottom of the mixed water tank 3, and the waste water pipeline 15 is connected to the bottom of the mixed water tank 3.
The water inlet pipeline 1 is sequentially provided with a first water inlet valve 5, a first electromagnetic valve 7, a second water inlet valve 6 and a first check valve 8, the first water inlet valve 5 and the second water inlet valve 6 are opened, and water in the water inlet pipeline 1 enters the mixed water tank 3 from the mixed water tank 3.
One end of the feeding box 2 is connected with the mixing water tank 3 through a second check valve 25, and the other end of the feeding box is connected with the water inlet pipeline 1 through a third water inlet valve 9 to form a first intersection node A, and the first intersection node A is located between the first water inlet valve 5 and the second water inlet valve 6. After the marking reagent is added into the feeding box 2, the first water inlet valve 5 and the third water inlet valve 9 are opened, and the marking reagent enters the mixed water tank 3 along with the inlet water.
The side wall of the interior of the mixing water tank 3 is provided with a floating ball switch 10, a gas pressure sensor 11 and a liquid level meter 12, the top of the mixing water tank is provided with a stirring rod 13, the stirring rod 13 is used for stirring liquid in the mixing water tank 3, and an interface between the stirring rod 13 and the mixing water tank 3 is sealed so as to ensure the tightness of the water tank. The float switch 10 is in signal connection with the first electromagnetic valve 7 on the water inlet pipeline 1, and is used for opening and closing the first electromagnetic valve 7, and when the water level in the mixed water tank 1 reaches a set high water level, the first electromagnetic valve 7 is closed, and water inlet is stopped.
An air inlet valve 21, a second electromagnetic valve 20 and a third check valve 19 are sequentially arranged on an exhaust pipeline 18 of the air compressor 4, and a gas pressure sensor 11 on the inner side wall of the mixed water tank 3 is in signal connection with the air compressor 4 and the second electromagnetic valve 20 and used for controlling the opening and closing of the air compressor 4 and the second electromagnetic valve 20 to prevent low pressure from being formed in the mixed water tank 3 and unfavorable for water drainage. When the air pressure above the water level in the mixing water tank 3 is lower than the atmospheric pressure, the air compressor 4 and the second electromagnetic valve 20 are opened, the air compressor 4 charges air into the mixing water tank 3 for pressurization, and when the air pressure above the water level in the mixing water tank 3 is higher than the atmospheric pressure, the air compressor 4 and the second electromagnetic valve 20 are closed.
The water outlet pipeline 14 is sequentially provided with a booster pump 16, a pressure gauge 17, a water meter 28, a flow meter 26, a flow regulating valve 27, a first water outlet valve 22 and a tested element 29. The tested element 29 is typically a filter element, a water purification device or other water purification element with a filtering function. The booster pump 16 is used for adjusting the water inlet pressure of the tested element 29; the water meter 28 is used for monitoring the amount of the marked water of the tested element 29; and the flow regulating valve 27 is used for regulating the water inlet flow of the tested element 29.
The water outlet pipe 14 is further provided with a water outlet branch water path 30, the water outlet branch water path 30 is connected with the water outlet pipe 14 to form a second junction node B, and the second junction node B is located between the water meter 28 and the pressure gauge 17. The outlet branch waterway 30 is provided with a sampling port 32, and the sampling port 32 is used for sampling the inlet water sample of the tested element 29. And a second water outlet valve 31 is arranged between the sampling port 32 and the second intersection node B and is used for controlling the sampling port 32 to collect the water inlet sample of the tested element 29.
The waste water pipeline 15 is connected with a waste water treatment system 24, after the standard adding test is completed, the residual waste liquid in the mixed water tank 3 is discharged from the waste water pipeline 15 to the waste water treatment system 24 for treatment, and a third water outlet valve 23 for controlling the discharge of the waste liquid is arranged on the waste water pipeline 15. The outlet branch water path 30 is further connected to the wastewater treatment system 24, and a water valve 33 is disposed on the outlet branch water path 30 for controlling wastewater in the outlet water path 14 to flow into the wastewater treatment system 24.
The embodiment of the present invention for performing a volatile substance labeling test using a system for performing a volatile substance labeling test is as follows:
step one, preparing trichloromethane stock solution
Chloroform (1.500 g) was weighed and added to a 50mL volumetric flask with methanol to obtain a chloroform stock solution with a concentration of 30000 mg/L.
Step two, preparing trichloromethane standard solution
Closing the third water outlet valve 23 and the first water outlet valve 22, starting the air compressor 4, transferring 4.0ml of the trichloromethane stock solution prepared in the first step into the feeding box 2 by using a liquid transfer gun, opening the first water inlet valve 5 and the third water inlet valve 9, and allowing the trichloromethane stock solution to enter the mixed water tank 3 along with the inlet water; meanwhile, the second water inlet valve 6 is opened, the mixing water tank 3 produces 400L of water, the stirring rod 13 is opened to uniformly mix the standard solution, and the trichloromethane standard solution with the concentration of 0.3 +/-0.03 mg/L is produced in the mixing water tank 3.
Step three, testing the trichloromethane removal rate of the tested element (active carbon filter element)
The water outlet pipe 14 is connected to a tested element 29 (an activated carbon filter is selected here), the water valve 33 is opened, the first water outlet valve 22 and the second water outlet valve 31 are closed, the booster pump 16 is opened, the pressure is adjusted, the pressure gauge 17 is enabled to be 0.20Mpa, and the initial indication value of the water meter 28 is recorded. Then the first water outlet valve 22 is opened, the water valve 33 is closed, and the activated carbon filter element begins to pass through the chloroform labeling liquid. At the time when the water flow of the water meter 28 is 100L, 200L, 300L, water samples are respectively taken at the water outlet of the activated carbon filter element and the sampling port 32, and the obtained water samples are respectively an inlet water sample and an outlet water sample of the activated carbon filter element. The collected water samples were tested by headspace-gas chromatography, and the results are shown in table 1.
TABLE 1 chloroform removal test results for activated carbon filter elements
As can be seen from Table 1, the concentrations of the chloroform spiked aqueous solution of the tested element 29 (activated carbon filter element) at the time of 100L, 200L and 300L of water passing amount are 288.2 μ g/L, 320.5 μ g/L and 293.0 μ g/L respectively, and the difference between the three is not large, so that the concentration of the spiked substance in the spiking test is ensured to be stable.
The utility model discloses a 3 splendid attires of sealed mixed water tank add mark solution, for convenient input add the mark thing, be provided with one and be used for adding the mark thing to 3 drops into of mixed water tank with the workbin 2 that links to each other of water intake pipe 1, set up the interior atmospheric pressure of 3 mixed water tanks of air compressor 4 regulation simultaneously, prevent to form the low pressure in the mixed water tank 3, are unfavorable for the drainage. Compared with the prior art, the mixing water tank 3 for containing the labeling solution is sealed, so that volatile labeling substances can be prevented from escaping from a labeling system in the labeling process, the accurate control of the labeling concentration of the volatile substances in the mixing water tank 3 is ensured, and the accuracy and reliability of the labeling test result are further ensured; meanwhile, the problems that volatile labeling substances escape to pollute the environment and threaten the health of testers are solved.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.
Claims (9)
1. A system for volatile substance tagging testing, characterized by: the system for volatile substance labeling test comprises a sealed mixed water tank (3), wherein the mixed water tank (3) is respectively connected with a water inlet pipeline (1), a feeding box (2), a water outlet pipeline (14), a waste water pipeline (15) and an air compressor (4); wherein,
a gas pressure sensor (11), a liquid level meter (12) and a stirring rod (13) are arranged inside the mixed water tank (3), and the gas pressure sensor (11) is in signal connection with the air compressor (4) and is used for controlling the operation of the air compressor (4);
a first water inlet valve (5) and a second water inlet valve (6) are arranged on the water inlet pipeline (1), one end of the feeding box (2) is connected with the mixed water tank (3), the other end of the feeding box is connected with the water inlet pipeline (1) through a third water inlet valve (9) to form a first intersection node (A), and the first intersection node (A) is located between the first water inlet valve (5) and the second water inlet valve (6);
a water meter (28), a first water outlet valve (22) and a tested element (29) are sequentially arranged on the water outlet pipeline (14); the water outlet pipeline (14) is further provided with a water outlet branch water path (30), the water outlet branch water path (30) is connected with the water outlet pipeline (14) to form a second intersection node (B), the second intersection node (B) is located between the water meter (28) and the mixed water tank (3), the water outlet branch water path (30) is provided with a sampling port (32), and a second water outlet valve (31) is arranged between the sampling port (32) and the second intersection node (B).
2. The system for volatile substance tagging testing of claim 1, wherein: the mixed water tank (3) is connected with a wastewater treatment system (24) through a wastewater pipeline (15), and a third water outlet valve (23) is arranged on the wastewater pipeline (15).
3. The system for volatile substance tagging testing of claim 2, wherein: the water outlet branch water path (30) is connected with the wastewater treatment system (24), a water valve (33) is arranged on the water outlet branch water path (30), and the water valve (33) is positioned between the wastewater treatment system (24) and the second intersection node (B).
4. The system for volatile substance tagging testing of claim 1, wherein: and the water outlet pipeline (14) is also provided with a booster pump (16) and a pressure gauge (17), and the booster pump (16) and the pressure gauge (17) are positioned between the second intersection node (B) and the mixed water tank (3).
5. The system for volatile substance tagging testing of claim 4, wherein: the water outlet pipeline (14) is also provided with a flow meter (26) and a flow regulating valve (27), and the flow meter (26) and the flow regulating valve (27) are positioned between the water meter (28) and the first water outlet valve (22).
6. The system for volatile substance tagging testing of claim 1, wherein: the water inlet pipeline (1) is further provided with a first electromagnetic valve (7), the first electromagnetic valve (7) is located between the first water inlet valve (5) and the first intersection node (A), a float switch (10) is further arranged inside the mixed water tank (3), and the float switch (10) is in signal connection with the first electromagnetic valve (7) and used for controlling the opening and closing of the first electromagnetic valve (7).
7. The system for volatile substance tagging testing of claim 6, wherein: the water inlet pipeline (1) is also provided with a first check valve (8), and the first check valve (8) is positioned between the second water inlet valve (6) and the mixed water tank (3); a second check valve (25) is also arranged between the feeding box (2) and the mixing water tank (3).
8. The system for volatile substance tagging testing of claim 1, wherein: the exhaust pipeline (18) of the air compressor (4) is connected with the mixed water tank (3), a second electromagnetic valve (20) and an air inlet valve (21) are sequentially arranged on the exhaust pipeline (18), and the gas pressure sensor (11) is in signal connection with the second electromagnetic valve (20) and used for controlling the opening and closing of the second electromagnetic valve (20).
9. The system for volatile substance tagging testing of claim 8, wherein: and a third check valve (19) is further arranged on the exhaust pipeline (18), and the third check valve (19) is positioned between the mixed water tank (3) and the second electromagnetic valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920868571.5U CN210071354U (en) | 2019-06-11 | 2019-06-11 | System for volatile substance labeling test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920868571.5U CN210071354U (en) | 2019-06-11 | 2019-06-11 | System for volatile substance labeling test |
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| Publication Number | Publication Date |
|---|---|
| CN210071354U true CN210071354U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920868571.5U Active CN210071354U (en) | 2019-06-11 | 2019-06-11 | System for volatile substance labeling test |
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| Country | Link |
|---|---|
| CN (1) | CN210071354U (en) |
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- 2019-06-11 CN CN201920868571.5U patent/CN210071354U/en active Active
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