CN204330543U - A kind of modularization pollution index automatic measuring system - Google Patents

A kind of modularization pollution index automatic measuring system Download PDF

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Publication number
CN204330543U
CN204330543U CN201520015022.5U CN201520015022U CN204330543U CN 204330543 U CN204330543 U CN 204330543U CN 201520015022 U CN201520015022 U CN 201520015022U CN 204330543 U CN204330543 U CN 204330543U
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sdi
solenoid valve
modularization
volumetric bottle
pollution index
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杨明
邢保山
张晓丽
张超
严旭东
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XI'AN JUFANG ENVIRONMENTAL TECHNOLOGY Co Ltd
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XI'AN JUFANG ENVIRONMENTAL TECHNOLOGY Co Ltd
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Abstract

The utility model relates to a kind of modularization pollution index automatic measuring system, and it comprises supercharging module, SDI measures module and supply module; Supercharging module comprises: micro pump, booster jar and four-way; SDI measures module: threeway, entering water electromagnetic valve, drain solenoid valve, SDI instrument, SDI switching solenoid valve, photoelectric liquid level sensor, volumetric bottle, volumetric bottle draining valve, water collecting basin, PLC and man-machine conversation touch-screen; Water body to be measured blasts booster jar through micro pump, and supercharging water body flows into SDI instrument by solenoid valve or drains into water collecting basin, and the water outlet of SDI instrument flows into volumetric bottle through SDI switching solenoid valve or arranges outward; Volumetric bottle outer wall is provided with photoelectric liquid level sensor, and bottom is provided with volumetric bottle draining valve; Micro pump, entering water electromagnetic valve, drain solenoid valve, SDI switching solenoid valve, photoelectric liquid level sensor, volumetric bottle draining valve and man-machine conversation touch-screen are all electrically connected with PLC.It can measure the pollution index of low pressure or water sample with no pressure, has features such as applying extensively, can automatically control.

Description

A kind of modularization pollution index automatic measuring system
Technical field
The utility model relates to a kind of pollution index Analytical system, and particularly a kind of modularization pollution index automatic measuring system, belongs to water treatment field.
Background technology
In recent years, reverse osmosis technology is simple to operate with it, reliability is high and do not produce the features such as secondary pollution and be widely used in the fields such as desalinization, industrial pure water and wastewater treatment.In the practical application of many water treatment by membrane engineering projects, the stifled problem of counter-infiltration system ubiquity reverse osmosis membrane dirt.Wherein, good in-line coagulation is the key solved the problem.
Pollution index (Silt Density Index, SDI) is the important indicator of counter-infiltration system operational monitoring, concentration of suspension, colloidal material concentration and filtering feature in the water inlet of its integrating representation, and can characterization of membrane pollution level.Reverse osmosis membrane dirt is stifled closely related with existing of the material such as fine suspension and colloid in water inlet.When only having feed water by reverse osmosis SDI value to be less than 3, could substantially meet counter-infiltration system inflow requirement; When feed water by reverse osmosis SDI value is greater than 5, should counter-infiltration system be stopped in time using.Therefore, Real-Time Monitoring in-line coagulation technique unit (as more medium filter, active carbon filter and ultrafiltration etc.) water outlet SDI value, and then regulate and control to reduce the existence of fine particle in reverse osmosis membrane water inlet to it, effectively can reduce the generation of the stifled phenomenon of reverse osmosis membrane dirt.
Reverse osmosis membrane water inlet SDI value must every day periodic monitor so that Timeliness coverage problem, avoid defective water quality to enter reverse osmosis membrane equipment, just can protect reverse osmosis membrane, prolongation reverse osmosis membrane serviceable life.At present, the measurement of existing SDI value is mostly manual measurement, needs manually frequently to record data, calculates after measurement.So not only waste time and energy, and introduce personal error, as artificial operate miss, the artificial collimation error (reading the clock table, see fluid level scale etc.), the result measured is very inaccurate.Existing SDI apparatus for automatically measuring, cannot measure, and mode determination is single for low pressure or water sample with no pressure, is unfavorable for promoting in actual applications.
Utility model content
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of modularization pollution index automatic measuring system.It can measure the pollution index of low pressure or water sample with no pressure, and range of application is wider; The automatic control of SDI instrument can be realized, time saving and energy saving; Can select SDI instrument operational mode according to water quality to be measured, practicality is stronger.
The technical solution of the utility model is: a kind of modularization pollution index automatic measuring system, is characterized in that: this system comprises supercharging module, SDI measures module and supply module; Wherein, supercharging module comprises: micro pump, booster jar and four-way; SDI measures module and comprises: threeway, entering water electromagnetic valve, drain solenoid valve, SDI instrument, SDI switching solenoid valve, photoelectric liquid level sensor, volumetric bottle, volumetric bottle draining valve, water collecting basin, PLC and man-machine conversation touch-screen; Micro pump is communicated with booster jar by four-way inlet end, and four-way endpiece is communicated with threeway inlet end, and an endpiece of threeway is communicated with water collecting basin by drain solenoid valve; Another endpiece of threeway is communicated with SDI instrument by entering water electromagnetic valve, and SDI instrument water delivering orifice is divided into two-way by SDI switching solenoid valve, and volumetric bottle of leading up to is communicated with water collecting basin, and another road is directly communicated with water collecting basin; Described volumetric bottle outer wall is provided with photoelectric liquid level sensor, and bottom is provided with volumetric bottle draining valve; Micro pump, entering water electromagnetic valve, drain solenoid valve, SDI switching solenoid valve, photoelectric liquid level sensor, volumetric bottle draining valve and man-machine conversation touch-screen are all electrically connected with PLC; Described man-machine conversation touch-screen and PLC are electrically connected with supply module respectively.
Described four-way outside is also connected with tensimeter.
The pressure that described tensimeter is arranged is 0.25-0.30MPa.
Described man-machine conversation touch-screen is HMI man-machine interface.
Described volumetric bottle is suitable for reading is provided with band vent port fixed plug, and end opening is provided with fast interface.
Described volumetric bottle is way contracting ball, and spheroid volume is 480mL, and way contracting ball is transparent pipe up and down, transparent pipe diameter Ф 16mm, and upper and lower transparent pipe length is 150mm; Upper transparent pipe there is volumetric calibration scale.
On described volumetric bottle upper transparent pipe, 500mL volumetric calibration place is provided with photoelectric liquid level sensor.
Described supply module is direct supply.
In described direct supply, configuration rechargeable battery is lithium battery.
Described supercharging module can be accepted or rejected according to water sample pressure size to be measured; When survey water sample pressure is greater than 0.25MPa, supercharging module can be removed.
The utility model has the advantages that:
1) system adds booster jar by micro pump and realizes low pressure water sample or water sample supercharging with no pressure, and SDI instrument intake pressure can be kept to be stabilized in 0.21MPa, and can measure the pollution index of pressure water sample, low pressure water sample, water sample with no pressure, range of application is wider;
2) by PLC and the monitoring of HMI man-machine interface micro pump, solenoid valve, photoelectric liquid level sensor, the automatic measurement of SDI instrument is realized, time saving and energy saving, precision is accurate, reliability is high; Measurement result shows in HMI man-machine interface, and measurement result can teletransmission;
3) the SDI automatic tester of some external import adopts flow sensor as main detection means, does not meet the code requirement of ASTM.The utility model is use traffic sensor not, and adopts the mode meeting the measuring container of ASTM code requirement, uses photoelectric liquid level sensor to detect, measure the time that filtered water reaches certain volume.Optical Liquid Level Sensors uses the horizontal level sensor of high-frequency micro-chip processor and all solid state encapsulation, and therefore its degree of accuracy improves a lot than eye observation, manual time-keeping during manual testing;
4) according to actual influent quality situation, HMI man-machine interface sets the detection time of SDI test, and increase the applicable scope of SDI instrument, practicality is stronger;
5) native system designs for block combiner, and user can match functional module according to real needs; Wherein, supply module apolegamy lithium battery power supply, can realize detecting pollution index anywhere or anytime when not having AC power.
Accompanying drawing explanation
Fig. 1 is the structure principle chart (arrow represents water (flow) direction) of a kind of modularization pollution index of the utility model automatic measuring system;
In figure: 1, micro pump; 21, booster jar; 22, four-way; 23, tensimeter; 31, threeway; 32, entering water electromagnetic valve; 33, drain solenoid valve; 4, SDI instrument; 5, SDI switching solenoid valve; 61, photoelectric liquid level sensor; 62, volumetric bottle; 63, volumetric bottle draining valve; 64, vent port fixed plug is with; 65, transparent pipe; 66, fast interface; 7, water collecting basin; 81, PLC; 82, man-machine conversation touch-screen; 9, direct supply; I, supercharging module; II, SDI measure module; III, supply module.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further, but not as to restriction of the present utility model.
Embodiment 1
As shown in Figure 1, a kind of modularization pollution index automatic measuring system, comprises supercharging module I, SDI measures module ii and supply module III; Wherein, supercharging module I comprises: micro pump 1, booster jar 21 and four-way 22; SDI measures module ii and comprises: threeway 31, entering water electromagnetic valve 32, drain solenoid valve 33, SDI instrument 4, SDI switching solenoid valve 5, photoelectric liquid level sensor 61, volumetric bottle 62, volumetric bottle draining valve 63, water collecting basin 7, PLC 81 and man-machine conversation touch-screen 82; Micro pump 1 is communicated with booster jar 21 by four-way 22 inlet end, and four-way 22 endpiece is communicated with threeway 31 inlet end, and an endpiece of threeway 31 is communicated with water collecting basin 7 by drain solenoid valve 33; Another endpiece of threeway 31 is communicated with SDI instrument 4 by entering water electromagnetic valve 32, and SDI instrument 4 water delivering orifice is divided into two-way by SDI switching solenoid valve 5, and volumetric bottle 62 of leading up to is communicated with water collecting basin 7, and another road is directly communicated with water collecting basin 7; Described volumetric bottle 62 outer wall is provided with photoelectric liquid level sensor 61, and bottom is provided with volumetric bottle draining valve 63; Micro pump 1, entering water electromagnetic valve 32, drain solenoid valve 33, SDI switching solenoid valve 5, photoelectric liquid level sensor 61, volumetric bottle draining valve 63 and man-machine conversation touch-screen 8) be all electrically connected with PLC 81; Described man-machine conversation touch-screen 82 and PLC 81 are electrically connected with supply module III respectively.
Water body to be measured blasts booster jar 21 through micro pump 1 by four-way 22, supercharging water body is flowed into SDI instrument 4 through four-way 22 connecting tee 31 by entering water electromagnetic valve 32 or is drained into the water outlet of water collecting basin 7, SDI instrument 4 by drain solenoid valve 33 and flows into volumetric bottle 62 through SDI switching solenoid valve 5 and then drain into water collecting basin 7 outward or directly outside SDI switching solenoid valve 5, drain into water collecting basin 7.
Embodiment 2
On the basis of embodiment 1, described four-way 22 outside is also connected with tensimeter 23, and the pressure that described tensimeter 23 is arranged is 0.25-0.30MPa.Described man-machine conversation touch-screen 82 is HMI man-machine interface, it has setting parameter, instruction input and data display writing function, and user according to actual influent quality situation, HMI man-machine interface can set total detection time of SDI test, increase the applicable scope of SDI instrument, practicality is stronger.Described volumetric bottle 62 is suitable for reading is provided with band vent port fixed plug 64, and end opening is provided with fast interface 66; The air of volumetric flask inside is discharged in effect with vent port fixed plug 64, and fast interface 66 can realize instrument fast and connect easily.
Described volumetric bottle 62 is way contracting ball, and spheroid volume is 480mL, and way contracting ball is transparent pipe 65 up and down, transparent pipe diameter Ф 16mm, and upper and lower transparent pipe length is 150mm; Upper transparent pipe there is volumetric calibration scale.Photoelectric liquid level sensor 61 is arranged on 500mL volumetric calibration place on volumetric bottle 62 upper transparent pipe.
Described SDI instrument 4 is pollution index measurement mechanism, and comprising tensimeter, pressure regulator valve and 0.45 μm of microfiltration membranes, is known technology.
Described supply module III is direct supply 9, and described direct supply 9 is lithium battery, powers for portable SDI instrument when not having AC power.
The operation operational process of a kind of modularization pollution index automatic measuring system described in the utility model is:
After SDI instrument 4 more renews diaphragm, SDI instrument 4 is installed connect ready, open direct supply 9 switch, HMI man-machine interface enters holding state, input test time T t; Press " system cloud gray model " button, enter system running state; First start micro pump 1 and drain solenoid valve 33, delay addle in pipeline is emitted, after discharge 90-180 second (can set), close drain solenoid valve 33, open entering water electromagnetic valve 32, open SDI switching solenoid valve 5 and carry out draining, the tensimeter simultaneously adjusting SDI instrument 4 is 0.21MPa, then changes SDI switching solenoid valve 5 and is water inlet direction and starts timing; When in volumetric bottle 62, liquid volume is to 500mL, photoelectric liquid level sensor 61 transmission of signal, to PLC 81, records acquisition time T 1, change SDI switching solenoid valve 5 is drainage direction simultaneously, opens the volumetric bottle draining valve 63 bottom volumetric bottle 62 simultaneously, and restarts timing; Arrive setting test duration T ttime, close the volumetric bottle draining valve 63 bottom volumetric bottle 62, adjust SDI switching solenoid valve 5 for water inlet direction simultaneously, and restart timing, when in volumetric bottle 62, liquid volume increases to 500mL, record acquisition time T 2; Close micro pump 1, entering water electromagnetic valve 32, open drain solenoid valve 33 and volumetric bottle draining valve 63; After 60-120s, close drain solenoid valve 33, volumetric bottle draining valve 63, simultaneously according to T writing time 1and T 2, system calculates SDI value automatically, and store recording is in HMI man-machine interface.
P 30---the silt index under 0.21Mpa intake pressure;
T t---total survey time (min); Be generally T 15, now P 30﹤ 75%, not so tests T 10or T 5, make P now 30﹥ 75%;
T 1---collect the time (s) needed for 500mL water sample time initial;
T 2---through T 1(usual T 15) collect time (s) needed for 500mL water sample afterwards.
Embodiment 3
Whether the companion module that described supercharging module I is run as pollution index automatic measuring system, can stablize according to water sample pressure size to be measured or its and accept or reject.When surveying water sample pressure and being greater than 0.25MPa, supercharging module I can be removed, just adopt the SDI in embodiment 2 to measure module ii and supply module III.
Content described in this instructions embodiment is only enumerating the way of realization that the utility model is conceived; protection domain of the present utility model should not be regarded as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.

Claims (10)

1. a modularization pollution index automatic measuring system, is characterized in that: this system comprises supercharging module (I), SDI measures module (II) and supply module (III); Wherein, supercharging module (I) comprising: micro pump (1), booster jar (21) and four-way (22); SDI measures module (II) and comprising: threeway (31), entering water electromagnetic valve (32), drain solenoid valve (33), SDI instrument (4), SDI switching solenoid valve (5), photoelectric liquid level sensor (61), volumetric bottle (62), volumetric bottle draining valve (63), water collecting basin (7), PLC (81) and man-machine conversation touch-screen (82); Micro pump (1) is communicated with booster jar (21) by four-way (22) inlet end, and four-way (22) endpiece is communicated with threeway (31) inlet end, and an endpiece of threeway (31) is communicated with water collecting basin (7) by drain solenoid valve (33); Another endpiece of threeway (31) is communicated with SDI instrument (4) by entering water electromagnetic valve (32), SDI instrument (4) water delivering orifice is divided into two-way by SDI switching solenoid valve (5), volumetric bottle (62) of leading up to is communicated with water collecting basin (7), and another road is directly communicated with water collecting basin (7); Described volumetric bottle (62) outer wall is provided with photoelectric liquid level sensor (61), and bottom is provided with volumetric bottle draining valve (63); Micro pump (1), entering water electromagnetic valve (32), drain solenoid valve (33), SDI switching solenoid valve (5), photoelectric liquid level sensor (61), volumetric bottle draining valve (63) and man-machine conversation touch-screen (82) are all electrically connected with PLC (81); Described man-machine conversation touch-screen (82) and PLC (81) are electrically connected with supply module (III) respectively.
2. a kind of modularization pollution index automatic measuring system according to claim 1, is characterized in that: described four-way (22) outside is also connected with tensimeter (23).
3. a kind of modularization pollution index automatic measuring system according to claim 2, is characterized in that: the pressure that described tensimeter (23) is arranged is 0.25-0.30MPa.
4. a kind of modularization pollution index automatic measuring system according to claim 1, is characterized in that: described man-machine conversation touch-screen (82) is HMI man-machine interface.
5. a kind of modularization pollution index automatic measuring system according to claim 1, is characterized in that: described volumetric bottle (62) is suitable for reading is provided with band vent port fixed plug (64), and end opening is provided with fast interface (66).
6. a kind of modularization pollution index automatic measuring system according to claim 1, it is characterized in that: described volumetric bottle (62) is way contracting ball, spheroid volume is 480mL, way contracting ball is transparent pipe (65) up and down, transparent pipe diameter Ф 16mm, upper and lower transparent pipe length is 150mm; Upper transparent pipe there is volumetric calibration scale.
7. a kind of modularization pollution index automatic measuring system according to claim 6, is characterized in that: the upper 500mL volumetric calibration place of described volumetric bottle (62) upper transparent pipe (65) is provided with photoelectric liquid level sensor (61).
8. a kind of modularization pollution index automatic measuring system according to claim 1, is characterized in that: described supply module (III) is direct supply (9).
9. a kind of modularization pollution index automatic measuring system according to claim 8, is characterized in that: described direct supply (9) is lithium battery.
10. a kind of modularization pollution index automatic measuring system according to claim 1, is characterized in that: described supercharging module (I) can be accepted or rejected according to water sample pressure size to be measured; When survey water sample pressure is greater than 0.25MPa, supercharging module (I) can be removed.
CN201520015022.5U 2015-01-08 2015-01-08 A kind of modularization pollution index automatic measuring system Active CN204330543U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160238513A1 (en) * 2015-02-12 2016-08-18 Doosan Heavy Industries & Construction Co., Ltd. Measuring apparatus for membrane fouling index
CN106124368A (en) * 2016-08-30 2016-11-16 合众高科(北京)环保技术股份有限公司 A kind of pollution index test device and method of testing thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160238513A1 (en) * 2015-02-12 2016-08-18 Doosan Heavy Industries & Construction Co., Ltd. Measuring apparatus for membrane fouling index
US10613018B2 (en) * 2015-02-12 2020-04-07 DOOSAN Heavy Industries Construction Co., LTD Measuring apparatus and method of operating a measuring apparatus for membrane fouling index
CN106124368A (en) * 2016-08-30 2016-11-16 合众高科(北京)环保技术股份有限公司 A kind of pollution index test device and method of testing thereof
CN106124368B (en) * 2016-08-30 2019-07-16 合众高科(北京)环保技术股份有限公司 A kind of pollution index test device

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