CN108152077A - The multi-point sampling system of petrochemical wastewater - Google Patents
The multi-point sampling system of petrochemical wastewater Download PDFInfo
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- CN108152077A CN108152077A CN201711327886.0A CN201711327886A CN108152077A CN 108152077 A CN108152077 A CN 108152077A CN 201711327886 A CN201711327886 A CN 201711327886A CN 108152077 A CN108152077 A CN 108152077A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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Abstract
The invention belongs to effluent monitoring technical fields, and in particular to a kind of multi-point sampling system of petrochemical wastewater.The system of the present invention, including multi-point sampling device, controller, on-line analysis device, wherein multi-point sampling device includes a plurality of sampling branch, and the structure of every sampling branch is as follows：The front end of sampling pipe is connected with sampling head, there is water pump, solenoid valve, flowmeter on sampling pipe successively from left to right.Every sampling branch leads to water tank after collecting, have flowmeter and solenoid valve between water tank and sampling bypass line.The beneficial effects of the present invention are, employ the multi-point sampling system of the petrochemical wastewater with filtration, not only realize multi-point sampling, and different water samples can be avoided occurring due to the phenomenon that impurity blocking pipeline and impurity bring interference to subsequent detection process with classified filtering.
Description
Technical field
The invention belongs to effluent monitoring technical fields, and in particular to a kind of multi-point sampling system of petrochemical wastewater.
Background technology
202403944 U of CN disclose a kind of waste water on-line monitoring multi-point sampling system, which fills including multi-point sampling
Put (9), the first water quantity controller (3-1), header tank (5), blender (4), the second water quantity controller (3-2), filtered water tank (7),
Pretreatment and on-line analysis device (8) and PLC control devices (6), the wastewater outlet of the multi-point sampling device (9) and institute
State the waterwater entrance fluid communication of the first water quantity controller (3-1), the wastewater outlet of first water quantity controller (3-1) with
The waterwater entrance fluid communication of the header tank (5), the blender (4) are described clear on the header tank (5)
The clear water output of water tank (7) and the clear water entrance fluid communication of second water quantity controller (3-2), the second water control
The clear water output of device (3-2) processed and the clear water entrance fluid communication of the header tank (5), the water to be measured of the header tank (5)
Sample exports the sample water inlet fluid communication to be measured with the pretreatment and on-line analysis device (8), the PLC control devices
(6) control signal output respectively with the multi-point sampling device (9), first water quantity controller (3-1), the stirring
Device (4), second water quantity controller (3-2) and the pretreatment and the control signal input of on-line analysis device (8) connect
It connects.
Above system solves the problems, such as multi-point sampling well, can to the waste water of various various concentrations and river,
The water bodys such as river, lake, sea sample, while the system can also online be diluted high-concentration waste water, substantially increase water quality prison
Survey range.
But above-mentioned system and it is unresolved for impurity content high water body filtration the problem of, and in actual samples process
In, impurity content is very high, if these impurity understand blocking pipeline, and can bring certain interference to detection into pipeline.
Therefore, it is necessary to be directed to the unsolved technical problem of above-mentioned patent further to solve.
Invention content
In order to solve the technical issues of above-mentioned, the multi-point sampling system of petrochemical wastewater provided by the invention, the system
In sampling apparatus with filtration, can to the water sample multi-filtering taken, the phenomenon that reducing impurity blocking pipeline and
It reduces in detection process because of interference caused by the impurity in water body.
The multi-point sampling system of petrochemical wastewater provided by the present invention, including multi-point sampling device, controller, online
Analytical equipment, which is characterized in that multi-point sampling device includes a plurality of sampling branch, and the structure of every sampling branch is as follows：
The front end of sampling pipe is connected with sampling head, there is water pump, solenoid valve, flowmeter on sampling pipe successively from left to right；
Sampling head includes the sampling pipe in cone shape, and the front end of sampling pipe is sample introduction nozzle, and there is the first sphere in the rear end of sampling pipe,
First sphere rear end is the first connecting tube, and the first connecting tube is connected with the second sphere, and the other end of the second sphere and second connects
It takes over and is connected, the rear end of the second connecting tube is third sphere, and the other end of third sphere is connected with sampling pipe；
There is the first strainer between sampling pipe and the first sphere, there is the second strainer between the first connecting tube and the second sphere, second connects
Taking between third sphere has third strainer；
There is a bypass line in first connecting tube, respectively towards the first water tank and sampling pipe；
There is a bypass line in second connecting tube, towards the second water tank and sampling pipe；
Every sampling branch leads to water tank after collecting, have flowmeter and solenoid valve between water tank and sampling bypass line；
Sample tap is arranged at the bottom of water tank, and flowmeter, pH sensors, turbidity transducer, temperature sensor are connected at sample tap；
Flowmeter, pH sensors, turbidity transducer, temperature sensor are connected respectively with controller, controller and on-line analysis
Device is connected.
Preferably, multi-point sampling device includes three sampling branches, and the structure of each branch is as follows：
The front end of sampling pipe in the first branch is connected with sampling head, there is the first water on sampling pipe successively from left to right
Pump, the first solenoid valve, first flowmeter；
The front end of sampling pipe in the second branch is connected with sampling head, there is the second water on sampling pipe successively from left to right
Pump, second solenoid valve, second flowmeter；
The front end of the sampling pipe of third branch road is connected with sampling head, there is third water on sampling pipe successively from left to right
Pump, third solenoid valve, third flowmeter；
The mesh of first strainer is 0.5mm, and the mesh of the second strainer is 0.1mm, and the mesh of third strainer is 1 μm.
First sphere, the second sphere, third sphere volume successively decrease successively in arithmetic progression.
The equal length of first connecting tube and the second connecting tube.
The beneficial effects of the present invention are, the multi-point sampling system of the petrochemical wastewater with filtration is employed,
Not only realize multi-point sampling, and for different water samples can with classified filtering, avoid due to impurity blocking pipeline and
The phenomenon that impurity brings interference to subsequent detection process occurs.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structure diagram of sampling head；
Fig. 3 is the circuit controling drawing of the present invention；
In figure, the first sampling heads of 101-, the second sampling heads of 102-, 103- third sampling heads, the first water pumps of 201-, 202- second
Water pump, 203- third water pumps, the first solenoid valves of 301-, 302- second solenoid valves, 303- third solenoid valves, 401- first flows
Meter, 402- second flowmeters, 403- third flowmeters, the first sampling pipes of 501-, the second sampling pipes of 502-, 503- thirds take
Sample pipeline, 404- flowmeters, 5- water tanks, the second water tanks of 601-, the first water tanks of 602-, 701- third spheres, 702- second
Sphere, the first spheres of 703-, 803- sampling pipes, the first strainers of 901-, the second strainers of 902-, 903- third strainers, 802- first
Connecting tube, the second connecting tubes of 801-, 10- turbidity transducers, 11- flowmeters, 12-pH sensors, 13- temperature sensors, 14- exist
Line analysis device.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description, so as to the skill of this field
Art personnel know more about the present invention, but do not limit the present invention with this.
Embodiment 1
The multi-point sampling system of petrochemical wastewater, including multi-point sampling device, controller 9, on-line analysis device 14, multiple spot is adopted
Sampling device includes three sampling branches, and the structure of every sampling branch is as follows：
The front end of the first sampling pipe 501 in the first branch is connected with sampling head 101, from a left side on the first sampling pipe 501
There are the first water pump 201, the first solenoid valve 301, first flowmeter 401 successively to the right side；
The front end of the second sampling pipe 502 in the second branch is connected with sampling head 102, from a left side on the second sampling pipe 502
There are the second water pump 202, second solenoid valve 302, second flowmeter 402 successively to the right side；
The front end of the third sampling pipe 503 of third branch road is connected with sampling head 103, from a left side on third sampling pipe 503
There are third water pump 203, third solenoid valve 303, third flowmeter 403 successively to the right side；
By taking the first sampling head 101 as an example, the first sampling head 101 includes the sampling pipe 803 in cone shape, before sampling pipe 803
It holds as sample introduction nozzle, there is the first sphere 703 in the rear end of sampling pipe 803, and 703 rear end of the first sphere is the first connecting tube 802, and first connects
Take over 802 is connected with the second sphere 702, and the other end of the second sphere 702 is connected with the second connecting tube 801, the second connection
The rear end of pipe 801 is third sphere 701, and the other end of third sphere 701 is connected with sampling pipe 501；
There is the first strainer 901 between 803 and first sphere 703 of sampling pipe, have between the first connecting tube 802 and the second sphere 702
Second strainer 902 has third strainer 903 between second connecting tube 801 and third sphere 701；
Every sampling branch leads to water tank 5 after collecting, have flowmeter 404 between water tank 5 and sampling bypass line；
Sample tap is arranged at the bottom of water tank 5, and flowmeter 11, pH sensors 12, turbidity transducer 10, temperature are connected at sample tap and is passed
Sensor 13；
Flowmeter 11, pH sensors 12, turbidity transducer 10, temperature sensor 13 are connected respectively with controller 9, controller 9
It is connected with on-line analysis device 14.
There is a bypass line in first connecting tube 802, respectively towards the first water tank 602 and sampling pipe 501；
There is a bypass line in second connecting tube 801, towards the second water tank 601 and sampling pipe 501；
The mesh of first strainer 901 is 0.5mm, and the mesh of the second strainer 902 is 0.1mm, and the mesh of third strainer 903 is 1 μm.
First sphere 703, the second sphere 702, third sphere 701 volume successively decrease successively in arithmetic progression；
The equal length of first connecting tube 802 and the second connecting tube 801.
By multiple sampling heads, the water body of different location point and different depth can be sampled, in sampling, led to respectively
Different strainers is crossed to water body filtration, impurity is excluded in outside sampling pipe.
Claims (5)
1. the multi-point sampling system of petrochemical wastewater, including multi-point sampling device, controller, on-line analysis device, feature
It is, multi-point sampling device includes a plurality of sampling branch, and the structure of every sampling branch is as follows：
The front end of sampling pipe is connected with sampling head, there is water pump, solenoid valve, flowmeter on sampling pipe successively from left to right；
Sampling head includes the sampling pipe in cone shape, and the front end of sampling pipe is sample introduction nozzle, and there is the first sphere in the rear end of sampling pipe,
First sphere rear end is the first connecting tube, and the first connecting tube is connected with the second sphere, and the other end of the second sphere and second connects
It takes over and is connected, the rear end of the second connecting tube is third sphere, and the other end of third sphere is connected with sampling pipe；
There is the first strainer between sampling pipe and the first sphere, there is the second strainer between the first connecting tube and the second sphere, second connects
Taking between third sphere has third strainer；
There is a bypass line in first connecting tube, respectively towards the first water tank and sampling pipe；
There is a bypass line in second connecting tube, towards the second water tank and sampling pipe；
Every sampling branch leads to water tank after collecting, have flowmeter and solenoid valve between water tank and sampling bypass line；
Sample tap is arranged at the bottom of water tank, and flowmeter, pH sensors, turbidity transducer, temperature sensor are connected at sample tap；
Flowmeter, pH sensors, turbidity transducer, temperature sensor are connected respectively with controller, controller and on-line analysis
Device is connected.
2. the multi-point sampling system of petrochemical wastewater as described in claim 1, which is characterized in that multi-point sampling device includes
Three sampling branches, the structure of each branch are as follows：
The front end of sampling pipe in the first branch is connected with sampling head, there is the first water on sampling pipe successively from left to right
Pump, the first solenoid valve, first flowmeter；
The front end of sampling pipe in the second branch is connected with sampling head, there is the second water on sampling pipe successively from left to right
Pump, second solenoid valve, second flowmeter；
The front end of the sampling pipe of third branch road is connected with sampling head, there is third water on sampling pipe successively from left to right
Pump, third solenoid valve, third flowmeter.
3. the multi-point sampling system of petrochemical wastewater as described in claim 1, which is characterized in that the mesh of the first strainer is
0.5mm, the mesh of the second strainer is 0.1mm, and the mesh of third strainer is 1 μm.
4. the multi-point sampling system of petrochemical wastewater as described in claim 1, which is characterized in that the first sphere, the second ball
Body, third sphere volume successively decrease successively in arithmetic progression.
5. the multi-point sampling system of petrochemical wastewater as described in claim 1, which is characterized in that the first connecting tube and second
The equal length of connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327886.0A CN108152077A (en) | 2017-12-13 | 2017-12-13 | The multi-point sampling system of petrochemical wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711327886.0A CN108152077A (en) | 2017-12-13 | 2017-12-13 | The multi-point sampling system of petrochemical wastewater |
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| CN201711327886.0A Pending CN108152077A (en) | 2017-12-13 | 2017-12-13 | The multi-point sampling system of petrochemical wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844783A (en) * | 2018-08-17 | 2018-11-20 | 浙江清环智慧科技有限公司 | Water quality sampling monitoring method and device |
| CN109444371A (en) * | 2018-12-30 | 2019-03-08 | 广东新大禹环境科技股份有限公司 | A kind of liquid monitoring system and method |
| CN111888956A (en) * | 2019-05-05 | 2020-11-06 | 中国石油天然气集团有限公司 | High-concentration electric desalting sewage on-line monitoring device and method |
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| CN201837541U (en) * | 2010-07-14 | 2011-05-18 | 江苏省农业科学院 | Multipoint automatic water body sampling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844783A (en) * | 2018-08-17 | 2018-11-20 | 浙江清环智慧科技有限公司 | Water quality sampling monitoring method and device |
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| CN111888956A (en) * | 2019-05-05 | 2020-11-06 | 中国石油天然气集团有限公司 | High-concentration electric desalting sewage on-line monitoring device and method |
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Application publication date: 20180612 |
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