CN204903521U - Multi -parameter water quality analyzer - Google Patents
Multi -parameter water quality analyzer Download PDFInfo
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- CN204903521U CN204903521U CN201520672650.0U CN201520672650U CN204903521U CN 204903521 U CN204903521 U CN 204903521U CN 201520672650 U CN201520672650 U CN 201520672650U CN 204903521 U CN204903521 U CN 204903521U
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Abstract
The utility model provides a multi -parameter water quality analyzer solves the unstable technical problem of the water sample velocity of flow that prior art needs multiple devices test more than one parameter, flows through the sensor. It includes the permanent water pressure device of automation, reagent mixing arrangement, filter equipment, measurement flow -through cell and the drainage device of UNICOM in proper order, be provided with the sensor that is used for measuring the quality of water parameter in the measurement flow -through cell. The utility model discloses an automatic permanent water pressure device makes the fast unblocked flow of water sample of constant current, can also go out more than one parameter by the simultaneous measurement.
Description
Technical field
The utility model relates to a kind of multiparameter water quality analyzer, is mainly used in the field such as the on-line monitoring of the water quality such as water head site, municipal tap water pipe network, village tap water and the monitoring of municipal water treatment procedure.
Background technology
The mankind all be unable to do without water in life at ordinary times and activity in production, and quality and the human health of domestic water water quality are closely related.Simultaneously the quality of industry water standard also with industrial cost and product quality closely related.But along with the quickening of expanding economy and urbanization process, the discharge capacity of sanitary sewage and industrial waste water increases rapidly, is discharged into earth's surface in a large number, causes the pollution of water environment.
In order to protect water environment, the monitoring to sewage discharge must be strengthened.The parameter that the current online water quality monitoring instrument for water quality monitoring exists each device analysis is single, if need multiple parameter, then must install multiple stage instrument and just can meet the demands.
In addition, due to site transport water sample line pressure random variation, cause the water sample flow velocity of flows through sensor unstable, and the instability of flow velocity directly can have influence on the accuracy of the measurement numerical value of instrument, and this error is random, cannot calculation compensation.
Number of patent application 201420797436.3 discloses a kind of multiparameter online water analysis instrument, comprise microprocessor and LCDs, micro-process connects sampling module and isolation module etc., exist following not enough: adopt modules to realize the measurement of multiparameter, the constant of water sample flow velocity in the measurements cannot be ensured.
Patented claim 201310015694.1 discloses a kind of liquid constant flow velocity on-line analysis monitoring device, and it comprises the constant-current device be mutually connected in series, filtration unit, measurement mechanism and drainpipe, and weak point is not to the back flush of filter core in filtration unit.
Summary of the invention
The utility model provides a kind of multiparameter water quality analyzer, and solving prior art needs multiple devices to test the technical matters of water sample flow velocity instability of multiple parameter, flows through sensor.
The technical scheme that the utility model is dealt with problems:
A kind of multiparameter water quality analyzer, its special character is: comprise the automatic constant hydraulic devices of UNICOM successively, reagent mixing arrangement, filtration unit, measurement flow cell and drainage arrangement, is provided with at least one sensor for measuring water quality parameter in described measurement flow cell.
Concrete, above-mentioned automatic constant hydraulic devices comprises box body, box body is provided with the air hole for making tray interior be connected with air, liquid inlet and liquid outlet, also hollow tube is provided with in box body, the lower end of described hollow tube and box body are tightly connected and hollow tube and drainage arrangement UNICOM, and described liquid outlet is connected with reagent mixing arrangement.
Concrete, mentioned reagent mixing arrangement comprises ball valve, mixer, reagent barrel and reagent and adds pump, described automatic constant hydraulic devices is connected with mixer entrance by ball valve, and reagent barrel adds pump by reagent and is connected with mixer entrance, and mixer outlet is connected with filtration unit.
Concrete, above-mentioned filtration unit is automatic back-flushing filtering device, described automatic back-flushing filtering device comprises filtrator, the first normally open solenoid valve, the second normally open solenoid valve, the first normally closed solenoid valve, the second normally closed solenoid valve, described reagent mixing arrangement is connected with the entrance of filtrator through the first normally open solenoid valve, the entrance of filtrator is also connected with drainage arrangement by the first normally closed solenoid valve, the outlet of described filtrator is connected with measurement flow cell by the second normally open solenoid valve, and the outlet of described filtrator is also connected with flushing water source by the second normally closed solenoid valve.
A kind of structure of above-mentioned measurement flow cell: measure flow cell and comprise flow cell body, the first cavity, the second cavity and the 3rd cavity is provided with in flow cell body, the top of each cavity communicates with one another, the below of described first cavity and the below UNICOM of the second cavity, the output terminal of filtration unit and the first cavity UNICOM, 3rd cavity output terminal and drainage arrangement UNICOM, be placed with sensor at least one cavity.
The second structure of above-mentioned measurement flow cell: measure flow cell and comprise flow cell body, the first cavity and the second cavity is provided with in flow cell body, the top of each cavity communicates with one another, the below of described first cavity and the below UNICOM of the second cavity, the output terminal of filtration unit and the first cavity UNICOM, second cavity output terminal and drainage arrangement UNICOM, be placed with sensor at least one cavity.
The third structure of above-mentioned measurement flow cell: measure flow cell and comprise flow cell body, the first cavity, the second cavity, the 3rd cavity and the 4th cavity is provided with in flow cell body, the top of each cavity communicates with one another, the below of described first cavity and the below UNICOM of the second cavity, the below of the 3rd cavity and the below UNICOM of the 4th cavity, the output terminal of filtration unit and the first cavity UNICOM, the 4th cavity output terminal and drainage arrangement UNICOM, be placed with sensor at least one cavity.
Concrete, the below of at least one cavity above-mentioned is connected with drainage arrangement by blowoff valve.
Principle of the present utility model is: aqueous sample stream is through automatic constant hydraulic devices, make stable water pressure, then water sample is through reagent mixing arrangement, water sample is mixed with required reagent, the interfering ion of measurement is affected in removing water sample, then water sample is again through filtration unit, filter out the impurity of water sample, then water sample enters measurement flow cell, in measurement flow cell, diverse location is provided with the sensor of required measurement parameter, measure related data, the water sample that measurement flow cell flows through and the above-mentioned unnecessary water sample flowing through each device all enter drainage box, cabinet is discharged through drainpipe by drainage box unification.
The Advantageous Effects that the utility model compared with prior art can reach:
1, the utility model adopts automatic constant hydraulic devices, unnecessary water sample flows away from the hollow tube box body, box body top is provided with an aperture simultaneously, is connected with air, make box body internal gas pressure equal with atmospheric pressure, thus make the straightway flowing of the water sample of constant current speed.
2, when measurement flow cell of the present utility model is made up of at least one cavity, the parameters such as chlorine residue, PH, conductance can be tested respectively, also can according to user's request, the type of designated mounting sensor.Flow cell transparent organic glass is made, and can observe the mobility status of water sample at any time, and the height of the liquid level in chamber, sensor place.
3, when filtration unit of the present utility model adopts automatic back-flushing filtering device, water sample falls the impurity in water sample from top to bottom through filtration devices.Device itself is provided with self-timing backwashing function, and timing flusher inner filter core from bottom to top, improves its filter effect, extends the service time of filtration core.
4, the utility model adopts reagent mixing arrangement, and while water sample enters mixer, timing enters reagent by bypass waterway, makes water sample and the abundant hybrid reaction of reagent, affects the interfering ion of measurement in removing water sample.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram.
Fig. 2 is automatic constant hydraulic devices structural representation.
Fig. 3 is reagent mixing arrangement structural representation.
Fig. 4 is automatic back-flushing filtering device structural representation.
Fig. 5 is for measuring flow cell structural representation.
Wherein: automatic constant hydraulic devices 1; Reagent mixing arrangement 2; Filtration unit 3; Measure flow cell 4; Drainage arrangement 5; Box body 1-1; Air hole 1-2; Hollow organic-glass pipe 1-3; L-type quick connector 1-4; Ball valve 2-1; Mixer entrance 2-2; Straight-through quick connector 2-3; Mixer 2-4; Mixer outlet 2-5; Reagent barrel 2-6; Reagent adds pump 2-7; The housing 3-1 of filtrator; Filtration core 3-2; Direct quick connector 3-3; First normally open solenoid valve 3-4; Second normally open solenoid valve 3-5; First normally closed solenoid valve 3-6; Second normally closed solenoid valve 3-7; Flow cell body 4-2; First sensor 4-3; Second sensor 4-4; 3rd sensor 4-5; Venting cavity 4-6; Blowoff valve 4-7.
Embodiment
Multi-parameter water quality in-line analyzer is as shown in Figure 1 made up of five major parts, comprises automatic constant hydraulic devices 1, reagent mixing arrangement 2, filtration unit 3, measures flow cell 4 and drainage arrangement 5.Water sample to be detected after automatic constant hydraulic devices 1, reagent mixing arrangement 2, filtration unit 3, measurement flow cell 4 detect, is discharged through drainage arrangement 5 successively.
As shown in Figure 2, automatic constant hydraulic devices 1 comprises box body 1-1, box body 1-1 is provided with air hole 1-2, liquid inlet and liquid outlet, air hole 1-2 is positioned at the top of box body 1-1, liquid inlet is positioned at the right side of box body 1-1, liquid outlet is positioned at the left side of box body 1-1, and liquid inlet and liquid outlet place are provided with L-type quick connector 1-4; Also be provided with hollow tube in box body 1-1, hollow tube vertically stands in box body 1-1, and the lower end of described hollow tube is connected with box body 1-1 sealed bottom and hollow tube and drainage arrangement 5 UNICOM, and hollow tube adopts hollow organic-glass pipe 1-3.
Water sample is by the outside box body 1-1 entering automatic constant hydraulic devices 1 through the L-type quick connector 1-4 of two branch pipeline on the right side of the box body 1-1 of automatic constant hydraulic devices 1 of cabinet, water sample flows out from the L-type quick connector 1-4 be positioned on the left of box body 1-1, flow to reagent mixing arrangement 2, when water sample pressure ratio is larger, when flow velocity is too fast, in box body 1-1, liquid level rises rapidly, when rising to the hollow organic-glass pipe 1-3 in box body 1-1 when liquid level, unnecessary water sample just therefrom the lower end of empty plexi-glass tubular 1-3 flow out, in drainage arrangement 5, discharge cabinet.Because box body 1-1 top has air hole 1-2, therefore the flowing that bubble hinders water sample can not be had in each pipeline be connected with the box body 1-1 of automatic constant hydraulic devices 1.
As shown in Figure 3, reagent mixing arrangement 2 comprises ball valve 2-1, mixer 2-4, reagent barrel 2-6 and reagent and adds pump 2-7, described automatic constant hydraulic devices 1 is connected with mixer entrance 2-2 by ball valve 2-1, reagent barrel 2-6 adds pump 2-7 by reagent and is connected with mixer entrance 2-2, mixer outlet 2-5 is connected with filtration unit 3, and described mixer 2-4 is static mixer.
Flow through the water sample come from automatic constant hydraulic devices 1, enter mixer entrance 2-2 through ball valve 2-1, thus flow in mixer 2-4.The straight-through quick connector 2-3 being positioned at mixer entrance 2-2 opposite side adds pump 2-7 with reagent and is connected, and reagent interpolation pump 2-7 is connected with reagent barrel, analyser can add pump 2-7 according to the default time by reagent and extract reagent from reagent barrel 2-6, timing pumps into reagent in mixer 2-4, reagent fully mixes in mixer 2-4 inside with water sample, can remove in water sample the interfering ion affecting measurement, the water sample after removing interfering ion enters into automatic back-flushing filtering device.
As shown in Figure 4, automatic back-flushing filtering device comprises filtrator, first normally open solenoid valve 3-4, second normally open solenoid valve 3-5, first normally closed solenoid valve 3-6, second normally closed solenoid valve 3-7, the mixer outlet 2-5 of described reagent mixing arrangement 2 is connected with the entrance of filtrator through the first normally open solenoid valve 3-4, the entrance of filtrator is also connected with drainage arrangement 5 by the first normally closed solenoid valve 3-6, the outlet of described filtrator is connected with measurement flow cell 4 by the second normally open solenoid valve 3-5, the outlet of described filtrator is also connected with flushing water source by the second normally closed solenoid valve 3-7.
The water sample flowing through the first normally open solenoid valve 3-4 enters filtrator from the upper end of filtrator through direct quick connector 3-3, filtration core 3-2 is provided with in the housing 3-1 of filtrator, water sample flows through filter core 3-2 from top to bottom, this filtration core 3-2 is that employing 40 object silica sand is to filter the impurity in water sample, water sample through filter core 3-2 filter after, through the direct quick connector 3-3 of filter lower end, then through the second normally open solenoid valve 3-5, flow into and measure in flow cell 4, detect water sample.Automatic back-flushing filtering device 3 can carry out back flush at default time point to filtration core 3-2, when back flush, first normally open solenoid valve 3-4 and the second normally open solenoid valve 3-5 all closes, first normally closed solenoid valve 3-6 and the second normally closed solenoid valve 3-7 all opens, rinse water sample by rinsing entrance through the second normally closed solenoid valve 3-7, backwashing filter core 3-2 from bottom to top, after rinsing, the first normally closed solenoid valve 3-6 of water sample through opening is drained in drainage arrangement 5, then discharges cabinet.This automatic back-flushing function, timing flusher inner filter core from bottom to top, can improve its filter effect, extends the service time of filter core.
As shown in Figure 5, measure flow cell 4 and comprise flow cell body 4-2, the first cavity, the second cavity and the 3rd cavity is provided with in flow cell body 4-2, the top of each cavity communicates with one another and forms venting cavity 4-6, the below of described first cavity and the below UNICOM of the second cavity, the output terminal of the second normally open solenoid valve 3-5 of filtration unit 3 and the first cavity UNICOM, 3rd cavity output terminal and drainage arrangement 5 UNICOM, all be placed with sensor in three cavitys, first is connected with drainage arrangement 5 by blowoff valve 4-7 with the below of the 3rd cavity; Flow cell transparent organic glass is made, and can observe the mobility status of water sample at any time, and the height of the liquid level in chamber, sensor place.
The water sample to be measured of constant current speed enters into flow cell body 4-2 through the second normally open solenoid valve 3-5 and measures.Water sample circulating direction as shown by the arrows in Figure 5.Water sample enters into through straight-through quick connector the first cavity placing first sensor 4-3, first sensor 4-3 can measure a certain parameter in water sample, according to the design of flow cell body 4-2, water sample enters in second cavity of placement second sensor 4-4 by the bottom of the first cavity, thus other parameters can be measured again, water sample can measure parameter in second cavity of placement second sensor 4-4, water sample continues to enter in the 3rd cavity of placement the 3rd sensor 4-5 by the upper end of the second cavity, after 3rd sensor 4-5 completes parameter measurement, water sample exports through flow cell body 4-2 and flows out, flow in drainage arrangement 5, discharge cabinet again.As shown in Figure 5, communicate with one another above each cavity of flow cell body 4-2, thus converge to flow cell escape hole being positioned at each bubble measuring chamber, enter in drainage box.And be provided with blowoff valve 4-7 in the bottom, below of the first cavity and the 3rd cavity, from blowoff valve 4-7, the dirt in each chamber can be discharged when needed.
Three sensors can test the parameters such as chlorine residue, PH, conductance respectively, also can according to user's request, the type of designated mounting sensor.
Drainage arrangement 5 is drainage box, from the hollow tube of automatic constant hydraulic devices 1, the first normally closed solenoid valve 3-6 blowoff valve 4-7 with measure flow cell 4 and be drained into the unnecessary of drainage box and detected water sample, all by discharging cabinet with drainage box lower end.
Claims (8)
1. a multiparameter water quality analyzer, it is characterized in that: comprise the automatic constant hydraulic devices of UNICOM successively, reagent mixing arrangement, filtration unit, measurement flow cell and drainage arrangement, in described measurement flow cell, being provided with at least one sensor for measuring water quality parameter.
2. multiparameter water quality analyzer according to claim 1, it is characterized in that: described automatic constant hydraulic devices comprises box body, box body is provided with the air hole for making tray interior be connected with air, liquid inlet and liquid outlet, also hollow tube is provided with in box body, the lower end of described hollow tube and box body are tightly connected and hollow tube and drainage arrangement UNICOM, and described liquid outlet is connected with reagent mixing arrangement.
3. multiparameter water quality analyzer according to claim 1 and 2, it is characterized in that: described reagent mixing arrangement comprises ball valve, mixer, reagent barrel and reagent and adds pump, described automatic constant hydraulic devices is connected with mixer entrance by ball valve, reagent barrel adds pump by reagent and is connected with mixer entrance, and mixer outlet is connected with filtration unit.
4. multiparameter water quality analyzer according to claim 1 and 2, it is characterized in that: described filtration unit is automatic back-flushing filtering device, described automatic back-flushing filtering device comprises filtrator, first normally open solenoid valve, second normally open solenoid valve, first normally closed solenoid valve, second normally closed solenoid valve, described reagent mixing arrangement is connected with the entrance of filtrator through the first normally open solenoid valve, the entrance of filtrator is also connected with drainage arrangement by the first normally closed solenoid valve, the outlet of described filtrator is connected with measurement flow cell by the second normally open solenoid valve, the outlet of described filtrator is also connected with flushing water source by the second normally closed solenoid valve.
5. multiparameter water quality analyzer according to claim 1, it is characterized in that: described measurement flow cell comprises flow cell body, the first cavity, the second cavity and the 3rd cavity is provided with in flow cell body, the top of each cavity communicates with one another, the below of described first cavity and the below UNICOM of the second cavity, the output terminal of filtration unit and the first cavity UNICOM, the 3rd cavity output terminal and drainage arrangement UNICOM, be placed with sensor at least one cavity.
6. multiparameter water quality analyzer according to claim 1, it is characterized in that: described measurement flow cell comprises flow cell body, the first cavity and the second cavity is provided with in flow cell body, the top of each cavity communicates with one another, the below of described first cavity and the below UNICOM of the second cavity, the output terminal of filtration unit and the first cavity UNICOM, the second cavity output terminal and drainage arrangement UNICOM, be placed with sensor at least one cavity.
7. multiparameter water quality analyzer according to claim 1, it is characterized in that: described measurement flow cell comprises flow cell body, the first cavity, the second cavity, the 3rd cavity and the 4th cavity is provided with in flow cell body, the top of each cavity communicates with one another, the below of described first cavity and the below UNICOM of the second cavity, the below of the 3rd cavity and the below UNICOM of the 4th cavity, the output terminal of filtration unit and the first cavity UNICOM, 4th cavity output terminal and drainage arrangement UNICOM, be placed with sensor at least one cavity.
8., according to the arbitrary described multiparameter water quality analyzer of claim 5-7, it is characterized in that: the below of at least one cavity described is connected with drainage arrangement by blowoff valve.
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| CN201520672650.0U CN204903521U (en) | 2015-09-01 | 2015-09-01 | Multi -parameter water quality analyzer |
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| CN201520672650.0U CN204903521U (en) | 2015-09-01 | 2015-09-01 | Multi -parameter water quality analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414477A (en) * | 2018-01-12 | 2018-08-17 | 山东省科学院海洋仪器仪表研究所 | Seawater chlorophyll a, phycocyanin and phycoerythrin parameter measuring apparatus and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414477A (en) * | 2018-01-12 | 2018-08-17 | 山东省科学院海洋仪器仪表研究所 | Seawater chlorophyll a, phycocyanin and phycoerythrin parameter measuring apparatus and method |
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Address after: 264003 Shandong province Yantai city Laishan District show Road No. 1 Patentee after: Shandong Dongrun Instrument Science and Technology Co., Ltd. Address before: 264003 Shandong province Yantai city Laishan District show Road No. 1 Patentee before: Yantai Dongrun Instrument Co.,Ltd. |