CN102435462A - Intelligent waste water sampling control system and sampling control method thereof - Google Patents
Intelligent waste water sampling control system and sampling control method thereof Download PDFInfo
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Abstract
The invention discloses an intelligent waste water sampling control system which comprises a flowmeter, an intelligent waste water sampling controller, a waste water sample storage device and a pollutant concentration on-line tester, wherein, the flowmeter is used for measuring the flow of discharged waste water and transmitting flow signals to the intelligent waste water sampling controller, the intelligent waste water sampling controller is used for respectively controlling the working of the waste water sample storage device and the pollutant concentration on-line tester, and the waste water sample storage device is respectively connected with a waste water discharging pipeline and the pollutant concentration on-line tester. The invention also discloses a sampling control method of the intelligent waste water sampling control system. According to the invention, scientific and intelligent sampling of waste water at a discharging outlet can be realized; the total amount of discharged pollutants can be measured more accurately; only water samples that exceed the standard are stored, and information is preserved by using RFID, thereby reducing cost for storage and making it substantially convenient for environmental protection supervision authorities to carry out scientific supervision and law enforcement according to environment laws and regulations.
Description
Technical field
The present invention relates to wastewater sampling memory storage technical field, relate in particular to the wastewater sampling memory storage of a kind of suitable total amount of pollutants discharged and instantaneous concentration monitoring.
Background technology
Environmental monitoring department usually need monitor all kinds of contaminated wastewater emission points in real time; China progressively adopts the method for on-line monitoring for contaminated wastewater thing emission point at present; Environmental protection supervision department need monitor the emission behaviour that produces the relevant enterprise that water pollutes, and obtains waste water sample.
A waste water row mouthful on-Line Monitor Device generally has following two kinds at present: a kind of waste water automatic acquisition device of just having installed at the scene; 24 bottles that keep sample are generally arranged; This kind device is merely able at a distance from a period of time waste water gathered storage; The environmental protection supervisor took 24 bottles that keep sample away to on-the-spot after bottle had all been gathered waste water by the time keep sample, and then water sample is analyzed, and need carry out test analysis to the waste water in each bottle that keeps sample; Each bottle that keeps sample is carried out manual numbering, this kind device environmental protection supervisor's workload is very huge; Another kind is equipped with pollutant on-line testing appearance, waste water automatic sampler at the scene, and environmental protection supervision department also is provided with remote platform, can communicate with field instrumentation; This kind mode adopts usually carries out regularly (4 ~ 6 hours) sampling to sewage draining exit, gets 4 ~ 6 appearance every day, is stored in respectively in 12 waste water storing bottles; After 24 or 48 hours; The environment monitoring personnel take out the water sample memory storage to enterprise, then all water samples that collect are detected, and for this mode following shortcoming are arranged:
1) time in SI oversize, total amount of pollutants discharged is calculated not science;
2) blowdown enterprise is to sampling of pollutant on-line measurement instrument and measurement rule easy to perform, and it is serious that sampling finishes back assault " row steathily " phenomenon;
3) the preservation water sample is many, brings more a large amount of work for the environment monitoring personnel.
Summary of the invention
Technical matters to be solved by this invention is to monitor science not, the water sample memory space is big and the law enforcement of environmental protection supervision department is loaded down with trivial details shortcoming for the total amount that overcomes existing waste water harvester, has proposed the wastewater sampling intelligence control system that a kind of scientific and effective suitable total amount of pollutants discharged and instantaneous concentration are monitored.
The present invention adopts following technical scheme for solving the problems of the technologies described above:
A kind of wastewater sampling intelligence control system comprises flowmeter, sampling of wastewater intelligent controller, wastewater sampling memory storage, pollutant levels on-line testing appearance; Wherein, flowmeter is used for measuring the flow of discharge of wastewater, and flow signal is passed to the sampling of wastewater intelligent controller; The sampling of wastewater intelligent controller is respectively applied for the work of control wastewater sampling memory storage, pollutant levels on-line testing appearance; Said wastewater sampling memory storage links to each other with discharge of wastewater pipeline, pollutant levels on-line testing appearance respectively;
Said wastewater sampling memory storage comprises instantaneous water sample working storage, total amount water sample storer, N individual exceed standard water sample sample leaving device, first communicating pipe, second communicating pipe, the first outer delivery pipe, the second outer delivery pipe, outer sampling pipe; Wherein:
The end of said first communicating pipe is connected with the discharge of wastewater pipeline through peristaltic pump, and an end of an end of said instantaneous water sample working storage, total amount water sample storer, an end of the first outer delivery pipe link to each other with the other end of first communicating pipe through solenoid valve respectively;
The other end of said instantaneous water sample working storage is connected with the end of second communicating pipe, and an end of the other end of said total amount water sample storer, N individual exceed standard water sample sample leaving device, outer sampling pipe, an end of the second outer delivery pipe are connected with the other end of second communicating pipe through solenoid valve respectively; N is a natural number, N≤24;
The other end of said outer sampling pipe is connected with pollutant levels on-line testing appearance, and the other end of said first, second outer delivery pipe connects the discharge of wastewater passage respectively.
Further, wastewater sampling intelligence control system of the present invention, said N the water sample sample leaving device bottom that exceeds standard is integrated with the RFID RF tag respectively; Bottom at N the water sample sample leaving device that exceeds standard is provided with supporting plate; Said supporting plate has N RFID reading-writing port and a MCU; Said N the water sample sample leaving device that exceeds standard is positioned over the top of said N RFID reading-writing port respectively correspondingly; Said MCU and sampling of wastewater intelligent controller communicate, and are used to control the RFID reading-writing port is carried out information to the RFID RF tag read-write.
Further, wastewater sampling intelligence control system of the present invention is provided with an automatically controlled stirrer in the said total amount water sample storer, and said automatically controlled stirrer is controlled by the sampling of wastewater intelligent controller.
Further, wastewater sampling intelligence control system of the present invention, said sampling of wastewater intelligent controller has the interface and the function of on-site data gathering appearance standard HJ477-2009 regulation.
Further, wastewater sampling intelligence control system of the present invention, said pollutant levels on-line testing appearance comprises COD tester, ammonia nitrogen tester, PH tester.
Further, wastewater sampling intelligence control system of the present invention, said total amount water sample storer, instantaneous water sample working storage and the water sample sample leaving device that exceeds standard all are installed in the energy-saving refrigerator of low-power consumption.
Further, wastewater sampling intelligence control system of the present invention, the central axis of said first, second communicating pipe and horizontal line angle are 5
°-15
°
The method that the present invention also provides a kind of wastewater sampling intelligence control system to sample may further comprise the steps:
Steps A before sampling, is opened the solenoid valve of peristaltic pump, first communicating pipe and the first outer delivery pipe junction earlier at every turn, and remaining closed electromagnetic valve extracts current waste water to carrying out first communicating pipe from flushing;
Step B after flushing finishes certainly, with the closed electromagnetic valve of first communicating pipe and the first outer delivery pipe junction, opens the solenoid valve of first communicating pipe and total amount water sample storer junction, and the water sample in first communicating pipe is stored in the total amount water sample storer;
Step C starts automatically controlled stirrer and stirred 1～2 minute, and the waste water of gathering in the total amount water sample storer is fully mixed;
Step D; Open total amount water sample storer and second communicating pipe the junction solenoid valve; Close this solenoid valve again after earlier the discharge of wastewater of gathering in the total amount water sample storer being gone out 1/4, keep opening the solenoid valve of second communicating pipe and the second outer delivery pipe junction after 1～2 minute; Waste water in second communicating pipe of emptying is again with the closed electromagnetic valve of second communicating pipe and the second outer delivery pipe junction;
Step e; Open total amount water sample storer and second communicating pipe the junction the solenoid valve of solenoid valve, second communicating pipe and outer sampling pipe junction; Send the waste water sample in the total amount water sample storer to pollutant levels on-line testing appearance and analyze, test, then the total amount water sample pollutant levels average data that records is uploaded site environment data collecting instrument or sampling of wastewater intelligent controller;
Step F, site environment data collecting instrument or sampling of wastewater intelligent controller are accumulated wastewater flow in during this period of time, calculate the total discharge capacity of tested pollutant in this sewage draining exit waste water;
F-1: when tested pollutant mean concentration surpasses emission standard; Then open any one exceed standard the water sample sample leaving device and second communicating pipe the junction solenoid valve; Waste water sample is kept sample, and be saved in the RF tag of sample leaving device bottom through the waste water information that the supporting plate with RFID reading-writing port will keep sample;
F-2: when tested pollutant mean concentration does not surpass emission standard; Then open successively total amount water sample storer and second communicating pipe the junction the solenoid valve of solenoid valve, second communicating pipe and the second outer delivery pipe junction; Water sample in the total amount water sample storer is all discharged, return steps A and restart.
As the another kind of scheme of said method, wastewater sampling intelligence control system of the present invention is sampled, and can also according to following steps:
Step 1., with instantaneous water sample working storage and first communicating pipe the junction the solenoid valve of solenoid valve, second communicating pipe and the second outer delivery pipe junction open, to instantaneous water sample working storage and adopted current waste water to carry out second communicating pipe from flushing;
2. step after flushing finishes certainly, with the closed electromagnetic valve of second communicating pipe and the second outer delivery pipe junction, is gathered and is stored in the instantaneous water sample working storage instantaneous water sample;
Step 3.; Second communicating pipe and the solenoid valve of outer sampling pipe junction are opened; Send the instantaneous waste water sample of gathering in the instantaneous water sample working storage to pollutant levels on-line testing appearance and analyze, test, test finishes afterwards the pollutant levels data upload site environment data collecting instrument or the sampling of wastewater intelligent controller that record;
3.-A; When tested pollutant levels surpass emission standard; Then open any one exceed standard the water sample sample leaving device and second communicating pipe the junction solenoid valve; Waste water sample is kept sample, and be saved in the RF tag of sample leaving device bottom through the waste water information that the supporting plate with RFID reading-writing port will keep sample;
3.-and B, when tested pollutant levels do not surpass emission standard, then open the solenoid valve of second communicating pipe and the second outer delivery pipe junction, instantaneous water sample is all discharged, return step 1..
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1. this device can realize that the former water before the various samplings washes certainly, makes that the waste water sample of each sampling is more true, and horizontal connecting pipe inclined design helps the emptying of waste water in the pipeline more;
2. this device is realized total amount water sample, instantaneous water sample, the water sample preservation by low temperature that exceeds standard storage, makes sample authentic and valid; Can mix water sample when carrying out total amount water sample analysis, test, make test result more accurate;
3. can realize the proportional sampling in less sampling period, sample is more true; The information that can receive environmental protection supervision department realizes instantaneous sampling, hits the surprise attack of illegal enterprise to a certain extent and arranges phenomenon steathily;
4. no matter be total amount monitoring or instantaneous concentration monitoring, only the water sample that exceeds standard stored, reduce the number of water sample storer; And can will store the waste water information stores in sample leaving device through the RFID technology, the waste water water sample that each blowdown point is preserved can not obscured, and can improve environmental monitoring mechanism work efficiency greatly, stops to obscure mistake.
Description of drawings
Fig. 1 is the system principle diagram that apparatus of the present invention are used;
Fig. 2 is the structural drawing of apparatus of the present invention.
Label is explained among the figure: 1-goes into skirt outward, 2-peristaltic pump, 3～11-solenoid valve; The outer sampling pipe of 12-, the instantaneous water sample working storage of 13-, 14-total amount water sample storer; 15, the outer delivery pipe of 21-, 16,17, the 18-water sample sample leaving device that exceeds standard, the automatically controlled stirrer of 19-; 20-has the supporting plate of RFID reading-writing port, and 22, the 24-connecting pipeline, 23-sampling of wastewater intelligent controller.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is done further detailed description:
As shown in Figure 1, wastewater sampling memory storage of the present invention links to each other with near row's mouthful discharge of wastewater pipeline through peristaltic pump, links to each other with on-the-spot pollutant levels on-line monitoring instrument through outer sampling pipe; On-the-spot flowmeter (being generally ultrasonic open channel flowmeter) is used for measuring the flow of discharge of wastewater, and flow signal is passed to the sampling of wastewater intelligent controller; The sampling of wastewater intelligent controller can be controlled apparatus of the present invention and pollutant on-line testing instrument.
As shown in Figure 2; The present invention can carry out multiple sampling, storage mode near row's mouthful waste water, and its internal system comprises sampling of wastewater intelligent controller, peristaltic pump 2, instantaneous water sample working storage 13, total amount water sample storer 14, the water sample sample leaving device that exceeds standard (can be provided with 24 at most), solenoid valve, the supporting plate 20 with RFID reading-writing port and communicating pipe etc.
Wherein the sampling of wastewater intelligent controller has the interface and the function of the on-site data gathering appearance standard HJ477-2009 regulation of People's Republic of China's Environmental Protection Department promulgation; Have unlatching, down interface and function in addition, have communication function simultaneously with the supporting plate 20 of RFID reading-writing port to peristaltic pump 2, automatically controlled stirrer 19, each position solenoid valve.
The water side of peristaltic pump 2 links to each other with outer delivery pipe 15 with instantaneous water sample working storage 13, total amount water sample storer 14 respectively, its switching respectively by sampling of wastewater intelligent controller 23 through solenoid valve 3,4,5 controls; The other end of instantaneous water sample working storage 13 links to each other with the water sample sample leaving device that exceeds standard, outer sampling pipe 12, outer delivery pipe 21 respectively, and its switching is controlled through the switching of solenoid valve 6,7,8,9,11 by sampling of wastewater intelligent controller 23 respectively; The other end of total amount water sample receptacle 14 links to each other with outer delivery pipe 21 with outer sampling pipe 12 respectively, is controlled through solenoid valve 10,9 and 10,11 by sampling of wastewater intelligent controller 23; Outer delivery pipe 21 communicates with the discharge of wastewater pipe duct, and outer sampling pipe 12 joins with the stopple coupon of the various contaminated wastewater thing on-line testing appearance (like COD appearance, ammonia nitrogen appearance, PH appearance etc.) that this waste water row mouth is disposed; Total amount water sample storer 14 is equipped with automatically controlled stirrer 19.
Total amount water sample storer 14, instantaneous water sample working storage 13 and the water sample sample leaving device 16,17,18 that exceeds standard are installed in the energy-saving refrigerator of low-power consumption; The bottom of each water sample sample leaving device that exceeds standard all is equipped with read-write RF tag, and the water sample sample leaving device that exceeds standard is positioned on the supporting plate relevant position with RFID reading-writing port one by one.
The concrete course of work is following:
Carry out proportional sampling (this proportional sampling can realize the less sampling period at every turn; Can be set to 5 ~ 30 minutes) before, earlier solenoid valve 5 to be opened with peristaltic pump, all the other are closed; Extract current waste water pipeline is carried out from flushing, to guarantee the authenticity of this sampling waste water; After flushing finishes solenoid valve 5 cuts out 4 and open, the ratio water sample that extracts is stored in the total amount water sample storer; Repeat said process and analyze period (value is 24 hours, 48 hours usually, also can be set as required by environmental protection supervision department) end up to one; Starting the stirrer stirring by intelligent sampling controller control this moment fully mixed the waste water of gathering in the total amount water sample storer in 1～2 minute; Open electromagnetism solenoid valve 10 earlier by intelligent sampling controller control then; Close electromagnetism solenoid valve 10 again after earlier the discharge of wastewater of gathering in the total amount water sample storer being gone out about 1/4; Kept 1～2 minute, and opened electromagnetism solenoid valve 11 again, the waste water of waste water pipeline 24 was soaked into, washed in emptying just now; Again solenoid valve 11 cuts out; Open electromagnetism solenoid valve 10 and solenoid valve 9 then, send the waste water sample in the total amount water sample storer to contaminated wastewater thing on-line monitoring instrument and analyze, test, at last the total amount water sample pollutant levels average data that records is uploaded site environment data collecting instrument and sampling of wastewater intelligent controller; Site environment data collecting instrument (or sampling of wastewater intelligent controller) the interior during this period of time integrated flux of basis again calculates the total discharge capacity of tested pollutant in this row mouthful waste water; If the tested pollutant mean concentration of total amount water sample surpasses emission standard; The intelligent controller of then taking a sample is automatically selected to open in the solenoid valve 6,7,8 one the waste water sample in the total amount water sample storer that exceeds standard is kept sample; And be saved in the RF tag of sample leaving device bottom through the waste water information that the supporting plate with RFID reading-writing port will keep sample; Otherwise open solenoid valve 10,11 the total amount water sample is all discharged, restart next new total amount proportional sampling, inventory analysis cycle afterwards.
When site environment data collecting instrument and intelligent sampling controller through local environment automatically monitoring and MIS receive environmental inspection department require to this waste water row mouthful blowdown instantaneous concentration take a sample, during analysis to measure; The intelligence sampling controller is opened solenoid valve 3,11 earlier; Instantaneous water sample working storage one road pipeline is extracted current waste water carry out, with the authenticity of the waste water that guarantees this time to sample from flushing; After flushing finishes solenoid valve 11 cuts out, instantaneous water sample collection is stored in the instantaneous water sample working storage; After finishing, instantaneous water sample sample collection opens through sampling controller control electromagnetic valve 9; Send the instantaneous waste water sample of gathering to contaminated wastewater thing on-line monitoring instrument and analyze, test, test finishes afterwards the pollutant levels data upload site environment data collecting instrument and the sampling of wastewater intelligent controller that record; If tested pollutant levels surpass emission standard; The intelligent controller of then taking a sample automatically selects to open that the instantaneous water sample sample to this collection keeps sample in the solenoid valve 6,7,8; And be saved in the RF tag of sample leaving device bottom through the waste water information that the supporting plate with RFID reading-writing port will keep sample, otherwise open solenoid valve 11 instantaneous water sample is all discharged.
Generally after 24 or 48 hours; When the efforts at environmental protection personnel take away to the on-the-spot water sample sample leaving device that exceeds standard that will preserve waste water; Only need to replace with empty sample leaving device; The water sample that exceeds standard that each blowdown point is obtained need not to distinguish, and only need information be read with a RFID module for reading and writing when waiting Environmental Protection Agency to analyze once more to get final product.
The foregoing description has been realized the instantaneous accidental sampling and the proportional sampling in the less time interval to waste water; Before each sampling, all carry out former water from flushing; Realized the preservation by low temperature preservation of water sample; Only overstandard waste water is stored, and the waste water information that can will keep sample is stored among the sample leaving device through the RFID technology; Obtain comparatively accurate contaminated wastewater thing content, reduced carrying cost simultaneously, greatly improved the work efficiency of environmental monitoring mechanism, and stopped mixed appearance mistake.
Claims (9)
1. a wastewater sampling intelligence control system is characterized in that: comprise flowmeter, sampling of wastewater intelligent controller, wastewater sampling memory storage, pollutant levels on-line testing appearance; Wherein, flowmeter is used for measuring the flow of discharge of wastewater, and flow signal is passed to the sampling of wastewater intelligent controller; The sampling of wastewater intelligent controller is respectively applied for the work of control wastewater sampling memory storage, pollutant levels on-line testing appearance; Said wastewater sampling memory storage links to each other with discharge of wastewater pipeline, pollutant levels on-line testing appearance respectively;
Said wastewater sampling memory storage comprises instantaneous water sample working storage, total amount water sample storer, N individual exceed standard water sample sample leaving device, first communicating pipe, second communicating pipe, the first outer delivery pipe, the second outer delivery pipe, outer sampling pipe; Wherein:
The end of said first communicating pipe is connected with the discharge of wastewater pipeline through peristaltic pump, and an end of an end of said instantaneous water sample working storage, total amount water sample storer, an end of the first outer delivery pipe link to each other with the other end of first communicating pipe through solenoid valve respectively;
The other end of said instantaneous water sample working storage is connected with the end of second communicating pipe, and an end of the other end of said total amount water sample storer, N individual exceed standard water sample sample leaving device, outer sampling pipe, an end of the second outer delivery pipe are connected with the other end of second communicating pipe through solenoid valve respectively; N is a natural number, N≤24;
The other end of said outer sampling pipe is connected with pollutant levels on-line testing appearance, and the other end of said first, second outer delivery pipe connects the discharge of wastewater passage respectively.
2. wastewater sampling intelligence control system according to claim 1 is characterized in that: said N the water sample sample leaving device bottom that exceeds standard is integrated with the RFID RF tag respectively; Bottom at N the water sample sample leaving device that exceeds standard is provided with supporting plate; Said supporting plate has N RFID reading-writing port and a MCU; Said N the water sample sample leaving device that exceeds standard is positioned over the top of said N RFID reading-writing port respectively correspondingly; Said MCU and sampling of wastewater intelligent controller communicate, and are used to control the RFID reading-writing port is carried out information to the RFID RF tag read-write.
3. wastewater sampling intelligence control system according to claim 1 is characterized in that: in the said total amount water sample storer an automatically controlled stirrer is set, said automatically controlled stirrer is controlled by the sampling of wastewater intelligent controller.
4. wastewater sampling intelligence control system according to claim 1 is characterized in that: said sampling of wastewater intelligent controller has the interface and the function of on-site data gathering appearance standard HJ477-2009 regulation.
5. wastewater sampling intelligence control system according to claim 1 is characterized in that: said pollutant levels on-line testing appearance comprises COD tester, ammonia nitrogen tester, PH tester.
6. wastewater sampling intelligence control system according to claim 1 is characterized in that: said total amount water sample storer, instantaneous water sample working storage and the water sample sample leaving device that exceeds standard all are installed in the energy-saving refrigerator of low-power consumption.
7. wastewater sampling intelligence control system according to claim 1 is characterized in that: the central axis of said first, second communicating pipe and horizontal line angle are 5
°-15
°
8. a method that adopts the arbitrary described wastewater sampling intelligence control system of claim 1 to 7 to sample is characterized in that, may further comprise the steps:
Steps A before sampling, is opened the solenoid valve of peristaltic pump, first communicating pipe and the first outer delivery pipe junction earlier at every turn, and remaining closed electromagnetic valve extracts current waste water to carrying out first communicating pipe from flushing;
Step B after flushing finishes certainly, with the closed electromagnetic valve of first communicating pipe and the first outer delivery pipe junction, opens the solenoid valve of first communicating pipe and total amount water sample storer junction, and the water sample in first communicating pipe is stored in the total amount water sample storer;
Step C starts automatically controlled stirrer and stirred 1～2 minute, and the waste water of gathering in the total amount water sample storer is fully mixed;
Step D; Open total amount water sample storer and second communicating pipe the junction solenoid valve; Close this solenoid valve again after earlier the discharge of wastewater of gathering in the total amount water sample storer being gone out 1/4, keep opening the solenoid valve of second communicating pipe and the second outer delivery pipe junction after 1～2 minute; Waste water in second communicating pipe of emptying is again with the closed electromagnetic valve of second communicating pipe and the second outer delivery pipe junction;
Step e; Open total amount water sample storer and second communicating pipe the junction the solenoid valve of solenoid valve, second communicating pipe and outer sampling pipe junction; Send the waste water sample in the total amount water sample storer to pollutant levels on-line testing appearance and analyze, test, then the total amount water sample pollutant levels average data that records is uploaded site environment data collecting instrument or sampling of wastewater intelligent controller;
Step F, site environment data collecting instrument or sampling of wastewater intelligent controller are accumulated wastewater flow in during this period of time, calculate the total discharge capacity of tested pollutant in this sewage draining exit waste water;
F-1: when tested pollutant mean concentration surpasses emission standard; Then open any one exceed standard the water sample sample leaving device and second communicating pipe the junction solenoid valve; Waste water sample is kept sample, and be saved in the RF tag of sample leaving device bottom through the waste water information that the supporting plate with RFID reading-writing port will keep sample;
F-2: when tested pollutant mean concentration does not surpass emission standard; Then open successively total amount water sample storer and second communicating pipe the junction the solenoid valve of solenoid valve, second communicating pipe and the second outer delivery pipe junction; Water sample in the total amount water sample storer is all discharged, return steps A and restart.
9. a method that adopts the arbitrary described wastewater sampling intelligence control system of claim 1 to 7 to sample is characterized in that, may further comprise the steps:
Step 1., with instantaneous water sample working storage and first communicating pipe the junction the solenoid valve of solenoid valve, second communicating pipe and the second outer delivery pipe junction open, to instantaneous water sample working storage and adopted current waste water to carry out second communicating pipe from flushing;
2. step after flushing finishes certainly, with the closed electromagnetic valve of second communicating pipe and the second outer delivery pipe junction, is gathered and is stored in the instantaneous water sample working storage instantaneous water sample;
Step 3.; Second communicating pipe and the solenoid valve of outer sampling pipe junction are opened; Send the instantaneous waste water sample of gathering in the instantaneous water sample working storage to pollutant levels on-line testing appearance and analyze, test, test finishes afterwards the pollutant levels data upload site environment data collecting instrument or the sampling of wastewater intelligent controller that record;
3.-A; When tested pollutant levels surpass emission standard; Then open any one exceed standard the water sample sample leaving device and second communicating pipe the junction solenoid valve; Waste water sample is kept sample, and be saved in the RF tag of sample leaving device bottom through the waste water information that the supporting plate with RFID reading-writing port will keep sample;
3.-and B, when tested pollutant levels do not surpass emission standard, then open the solenoid valve of second communicating pipe and the second outer delivery pipe junction, instantaneous water sample is all discharged, return step 1..
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Application publication date: 20120502 |