A kind of pipeline structure being applied to the long-range quality control system of water quality monitoring
Technical field
The utility model belongs to water quality monitoring system, particularly a kind of pipeline structure being applied to the long-range quality control system of water quality monitoring.
Background technology
Water quality monitoring is the important element task of environmental administration one, the change of Real-Time Monitoring monitoring natural water and discharge of pollutant sources Organic Pollutants in Wastewater, grasp water quality condition, the pollution permission system management implemented for China, pollution emission reduction, environmental quality improve concrete significance.Online automatic detection technology centered by automatic control technology both can reduce manpower, reduce and measure accidental error, again can rapid feedback data in time, in environment monitoring now, served very important effect.Lack effective remote auto Quality Control means in existing water quality monitoring system, the validity and reliability of data cannot be ensured.The pipeline structure that this instructions relates to is the application structure in the long-range quality control system of water quality monitoring.
Utility model content
The purpose of this utility model is just to provide a kind of pipeline structure being applied to the long-range quality control system of water quality monitoring, to solve the problem can not carrying out remote monitoring and calibration to online water quality monitor, the validity and reliability of online monitoring data of increasing water quality, for environmental protection administrative service division provides strong regulatory measure.
The technical solution of the utility model is:
A kind of pipeline structure being applied to the long-range quality control system of water quality monitoring, it is characterized in that: have multiple mark liquid container, each mark liquid container there is bottle level sensor, each mark liquid container respectively there is pipette, each pipette is connected to the lower end of the different two-way valve in a valve group, the lower end of a valve in valve group connects air, the upper end of each two-way valve in valve group is linked together by pipeline, the pipeline linked together is connected to above solution liquid storage container to be measured, one end of three road two-way valves is connected below solution liquid storage container to be measured, the other end of three road two-way valves connects water sampling point by pipeline, the intermediate ends of three road two-way valves is by level sensor one end, connecting pipe of pipeline road, one end of pipeline level sensor other end connecting tee, the threeway other end connects monitor, threeway again one end connects pump by pipeline, the other end of pump connects waste fluid container, waste fluid container there is bottle level sensor.
Described threeway is positioned at Quality Control instrument outside and close monitoring instrument.
Described pipeline structure can realize the conveying of water sample, emptying and rinse, solves the problem of the long or excessive sampling distortion caused of dead volume of pipeline between sampled point and monitor.
The intermediate ends of described three road two-way valves passes through level sensor one end, connecting pipe of pipeline road, one end of pipeline level sensor other end connecting tee; The pump that one end of threeway connects connects waste fluid container by pipeline; Above-mentioned pipeline is water sample conveying, the conveying of mark liquid, the emptying common pall of waste liquid, and section pipeline is used for cleaning, rinse, emptying, to reduce the cross pollution between the different medium of carrying in pipeline.
Each pipette described connects each terminal of multichannel two-way valve respectively, and a terminal of multichannel two-way valve connects air, and the other end of each valve in valve group is linked together by pipeline, and the pipeline linked together is connected to above solution liquid storage container to be measured.
Solution liquid storage container to be measured is solution liquid storage ring to be measured.
Solution liquid storage container to be measured is solution liquid storing cup to be measured.
The utility model effect is:
The pipeline structure that should be used for the long-range quality control system of water quality monitoring can solve the problem can not carrying out remote monitoring and calibration to online water quality monitor, the validity and reliability of online monitoring data of increasing water quality, for environmental protection administrative service division provides strong regulatory measure.
Accompanying drawing explanation
Fig. 1 is the pipeline structure block diagram being applied to the long-range quality control system of water quality monitoring.
Fig. 2 is the system architecture schematic diagram being equivalent to the equivalent employing multi-way valve structure replaced.
Fig. 3 is the structural drawing that the pipeline being applied to the long-range quality control system of water quality monitoring adopts solution liquid storage container cup to be measured.
Fig. 4 be equivalent to the equivalent employing multi-way valve structure replaced system and adopt the structural drawing of solution liquid storage container cup to be measured.
In figure: 1, mark one of liquid container; 2, liquid container two is marked; 3, liquid container three is marked; 4, liquid container four is marked; 5, valve group; 6, one of the two-way valve of valve group 5; 7, the two-way valve two of valve group 5; 8, the two-way valve three of valve group 5; 9, the two-way valve four of valve group 5; 10, the two-way valve five of valve group 5; 11, monitoring instrument; 12, water sampling point; 13, bottle level sensor; 14, waste fluid container; 15, pump; 16, threeway; 17, three road two-way valves; 18, pipeline level sensor; 19, solution liquid storage container to be measured (ring, cup); 20, device for storing liquid assembly; 21, two-way valve; 22, threeway.
Embodiment
A kind of pipeline structure being applied to the long-range quality control system of water quality monitoring as shown in Figure 1, there is multiple mark liquid container, each mark liquid container there is bottle level sensor, each mark liquid container respectively there is pipette, each pipette is connected to one end of the different valves in a valve group, one end of a valve in valve group connects air, the other end of each valve in valve group is linked together by pipeline, the pipeline linked together is connected to above solution liquid storage ring to be measured, one end of three road two-way valves is connected below solution liquid storage ring to be measured, the other end of three road two-way valves connects water sampling point by pipeline, the intermediate ends of three road two-way valves is by level sensor one end, connecting pipe of pipeline road, one end of pipeline level sensor other end connecting tee, the threeway other end connects monitor, threeway again one end connects pump by pipeline, the other end of pump connects waste fluid container, waste fluid container there is bottle level sensor.
Described threeway is positioned at Quality Control instrument outside, near monitoring instrument, the installation site of threeway should ensure with the sample introduction pipeline of monitoring instrument the shortest, the other end of three road two-way valves connects water sampling point by pipeline, the intermediate ends of three road two-way valves passes through level sensor one end, connecting pipe of pipeline road, one end of pipeline level sensor other end connecting tee, and the threeway other end connects monitor, threeway again one end connects pump by pipeline, and the other end of pump connects waste fluid container; This pipeline structure can realize the conveying of water sample, emptying and rinse, solves the problem of the long or excessive sampling distortion caused of dead volume of pipeline between sampled point and monitor.
The intermediate ends of described three road two-way valves passes through level sensor one end, connecting pipe of pipeline road, one end of pipeline level sensor other end connecting tee; The pump that one end of threeway connects connects waste fluid container by pipeline; Above-mentioned pipeline is water sample conveying, the conveying of mark liquid, the emptying common pall of waste liquid, and section pipeline is used for cleaning, rinse, emptying, to reduce the cross pollution between the different medium of carrying in pipeline.
Each pipette connects each terminal of multichannel two-way valve respectively as shown in Figure 2, and a terminal of multichannel two-way valve connects air, and the other end of each valve in valve group is linked together by pipeline, and the pipeline linked together is connected to above solution liquid storage ring to be measured.
The other end of each valve in valve group is linked together by pipeline, the pipeline linked together is connected to above solution liquid storage ring to be measured, connect one end of three road two-way valves below solution liquid storage ring to be measured, described liquid storage ring is without dead angle, without hard bending, without the tubular structure coil pipe of liquid storage inner wall smooth or spiral pipe.
For the mark liquid system of the normal fluid from calibration to water quality monitor and pure water that provide.Described mark liquid system comprises pump, valve, the some containers (comprising the container depositing pure water) depositing various criterion liquid, waste fluid container and a solution liquid storage ring to be measured collecting flushing line liquid; Described pump for drawing mark liquid in a certain described mark liquid container or pure water, and injects or emptying described solution liquid storage ring to be measured, and rinses or emptying each several part pipeline; Connect one end of three road two-way valves below solution liquid storage ring to be measured, one end of the intermediate ends connecting tee of three road two-way valves, the threeway other end connects monitor.
Described solution container and waste fluid container are respectively arranged with liquid level detector.The public endpiece of T-valve has liquid level detection device.
Described mark liquid container has 1-4 individual or more.
As shown in Figure 1, the mark liquid of native system needs to be arranged in a constant temperature control box, and mark liquid system is used for the normal fluid from calibration to water quality monitor 11 or the pure water that provide.As shown in Figure 1, Figure 2, Figure 3, Figure 4, mark liquid system and comprise pump 15, some valves and some container, solution liquid storage rings 19 to be measured depositing normal fluid and waste liquid.Mark liquid system is connected in the pipeline between water quality monitor 11 and dry point 12 by valve 17.
Valve group 5 by valve (7,8,9,10,6) respectively with mark liquid container 1,2,3,4 and contact air, the public outlet of valve group 2 is connected with solution liquid storage ring one end to be measured.The solution liquid storage ring other end to be measured is connected with a port of T-valve 17.Pipeline level sensor 18 is arranged on the pipeline between the b port of T-valve 17 and monitoring instrument 11 injection port.Pump 15 one end connects waste fluid container 14, and the other end is held with a of threeway 16 and is connected; The b of threeway 16 holds connecting line liquid level detector 18, and the c end of threeway 19 connects the injection port of monitoring instrument 11, and the installation site of threeway 16 should ensure with the sample introduction pipeline of monitoring instrument 11 the shortest.Three normal fluid containers, 1,2,3 and pure water container 4 is provided with bottle liquid level detector 13 to detect scarce liquid status.
Be noted that the multi direction changeover valve 5 in Fig. 2, Fig. 3, Fig. 4 is all connected between different mark liquid and solution liquid storage ring to be measured from the valve group 5 in Fig. 1, play pipeline switching effect, be considered as identical structure.Device for storing liquid assembly 20 in Fig. 2, Fig. 3, Fig. 4 is all connected between different mark liquid and monitoring instrument 11 from the device for storing liquid assembly 20 in Fig. 1, plays calibration Sample Buffer storage effect, is considered as identical function structure.