CN209507683U - A kind of feed water by reverse osmosis feature pollution index measurement device - Google Patents
A kind of feed water by reverse osmosis feature pollution index measurement device Download PDFInfo
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- CN209507683U CN209507683U CN201920098580.0U CN201920098580U CN209507683U CN 209507683 U CN209507683 U CN 209507683U CN 201920098580 U CN201920098580 U CN 201920098580U CN 209507683 U CN209507683 U CN 209507683U
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- reverse osmosis
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- pollution index
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Abstract
The utility model discloses a kind of feed water by reverse osmosis feature pollution index measurement devices, the device includes the feed water by reverse osmosis pipeline being connected to counter-infiltration system, the sampling line being connected on feed water by reverse osmosis pipeline, characteristic contamination monitoring device on sampling line is set, the outlet of characteristic contamination monitoring device is discharge pipe line, further includes the feature pollution index computing system connecting with characteristic contamination monitoring device；Characteristic contamination monitoring device transfers data to feature pollution index computing system using quantity, volume and the particle diameter distribution index of characteristic contamination in laser monitoring water sample；Feature pollution index computing system calculates feed water by reverse osmosis water quality characteristic pollution index CSDI, calculation formula CSDI=Q/Qb, as the CSDI=1 of calculating, indicate that water quality is qualified；Indicate that water quality is excellent when CSDI < 0.5；Water quality inferiority is indicated when CSDI > 1.5；It solves the problems, such as continuously monitor feed water by reverse osmosis pollutant on-line at present.
Description
Technical field
The utility model relates to the reverse osmosis equipments in water treatment system, and in particular to a kind of feed water by reverse osmosis feature pollution
Assessment of indices device.
Background technique
Water pollution index is to represent the technical indicator of the pollutant loads such as particle in water, bacterium, colloid.By calculating sample
The speed that product water blocks 0.45 μm of miillpore filter calculates the pollution index value of water, manually measures to realize.
Reverse osmosis technology is widely used in the water treatment field of power plant and other industries, and water pollution index (SDI) is anti-
The important water inlet index of permeability apparatus, the method generallyd use are monitored with SDI analyzer.Although existing SDI is automatic at present
Measurement device, but because it is only that can not achieve real time on-line monitoring and expensive, so power plant instead of manual operation
Generally use the manual measurement device of the lower SDI of price.But SDI has its limitation in the application:
1) SDI cannot be monitored on-line continuously and be reacted variation water quality situation in time, be unfavorable for searching variation water quality original in time
Cause is unfavorable for the operation steady in a long-term of reverse osmosis membrane；
2) easily there is biggish error in different people operation；
3) temperature when test film and measurement of different manufacturers production will affect measurement result.
Therefore, no matter from the angle of safe and stable operation, or from the angle increased economic efficiency, in feed water by reverse osmosis
Impurity carry out the development trend that real time on-line monitoring becomes inevitable.Propose thus feed water by reverse osmosis feature pollution index this
New concept, and realize and it is monitored on-line.
Summary of the invention
In order to overcome deficiency existing for SDI measuring method, the purpose of this utility model is to provide a kind of feed water by reverse osmosis
Feature pollution index measurement device, the problem of feed water by reverse osmosis pollutant must not be monitored on-line continuously with solution.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of feed water by reverse osmosis feature pollution index measurement device, including the feed water by reverse osmosis being connected to counter-infiltration system 1
The characteristic contamination monitoring dress on sampling line 3 is arranged in pipeline 2, the sampling line 3 being connected on feed water by reverse osmosis pipeline 2
4 are set, i.e. the entrance of characteristic contamination monitoring device 4 is sampling line 3, and the outlet of characteristic contamination monitoring device 4 is drainpipe
Road 5 further includes the feature pollution index computing system 6 connecting with characteristic contamination monitoring device 4.
The feed water by reverse osmosis feature pollution index measurement device is applied to power plant, petrochemical industry, metallurgy industry and is related to raw water
Pretreatment and reverse osmosis treatment field；It is dirty for monitoring the feature for the treatment of nature water water outlet and feed water by reverse osmosis in water process on-line
Contaminate object.
The sampling line 3 is arranged at the feed water by reverse osmosis pipeline 2 of high pressure pump inlet.
Valve is provided on the sampling line 3 and discharge pipe line 5.
The water inlet feature pollution index measuring method of the feed water by reverse osmosis feature pollution index measurement device, it is reverse osmosis
When system 1 operates normally, the valve of sampling line 3 and discharge pipe line 5 is opened, adjustment flow of inlet water to preset value connects measurement
The characteristic contamination monitoring device 4 on sampling line 3 is arranged in using characteristic contamination in laser monitoring water sample in installation's power source
Quantity, volume and particle diameter distribution index transfer data to feature pollution index computing system 6；Feature pollution index calculates system
System 6 calculates feed water by reverse osmosis water quality characteristic pollution index CSDI, calculation formula CSDI=Q/Qb, wherein Q is water sample particle
Pollutant sum, QbIndicate that water quality is qualified as the CSDI=1 of calculating for a reference value of setting；Water quality is indicated when CSDI < 0.5
It is excellent；Water quality inferiority is indicated when CSDI > 1.5；Water sample after the detection of characteristic contamination monitoring device 4, passes through 5 outlet of discharge pipe line.
According to 1 influent quality of feed water by reverse osmosis water quality characteristic pollution index CSDI real-time monitoring counter-infiltration system, when pretreatment system goes out
When water water quality is unqualified, pretreatment system dosing and operating parameter are adjusted in time, it is ensured that pretreatment system effluent quality is qualified；It is logical
Monitoring feed water by reverse osmosis water quality characteristic pollution index is crossed, guarantees that 1 influent quality of counter-infiltration system meets standard, mitigates reverse osmosis membrane
Pollution, extend the service life of reverse osmosis membrane.
Compared to the prior art the utility model, has the advantages that
(1) it can continuously monitor feed water by reverse osmosis water quality characteristic pollution index on-line, and react variation water quality situation in time, gram
The deficiency that can only measure feed water by reverse osmosis pollution index manually in the past is taken.
(2) when on-line monitoring feed water by reverse osmosis water quality characteristic pollution index is unqualified, pretreatment system can be adjusted in time and added
The operating conditions such as medicine and operating parameter, it is ensured that pretreatment effluent quality is qualified.
(3) indexs such as the granule number of particulate pollutant, particle diameter distribution and volumetric concentration in feed water by reverse osmosis can be monitored, can be had
The classification and feature of body embodiment water pollutant.
(4) measurement result is more accurate sensitiveer, during eliminating measurement pollution index, artificial operating error, measurement
The influence of diaphragm and temperature to result.
(5) implementation process is simple, good application effect, and easy to accomplish.
Detailed description of the invention
Attached drawing 1 is the utility model feed water by reverse osmosis feature pollution index measurement device schematic diagram.
Specific embodiment
With reference to the accompanying drawing and specific embodiment, the utility model is described in further detail.
As shown in Figure 1, the utility model is a kind of feed water by reverse osmosis feature pollution index measurement device, it is related to reverse osmosis
System 1, feed water by reverse osmosis pipeline 2, sampling line 3, characteristic contamination monitoring device 4, discharge pipe line 5 and feature pollution index meter
Calculation system 6.At the water inlet for being equipped with counter-infiltration system 1, the feed water by reverse osmosis pipeline 2 of high pressure pump inlet is selected, is arranged at this
With valvular sampling line 3, by 3 connection features pollutant monitoring device 4 of sampling line, 4 benefit of characteristic contamination monitoring device
With indexs such as the quantity, volume of characteristic contamination in laser monitoring water sample and particle diameter distributions, examined through characteristic contamination monitoring device 4
Water sample after survey, by 5 outlet of discharge pipe line, feature pollution index computing system 6 receives characteristic contamination monitoring device 4 and transmits
Feed water by reverse osmosis in particulate pollutant quantity, volumetric concentration and particle size distribution data, calculated according to a reference value of setting
Feed water by reverse osmosis water quality characteristic pollution index CSDI characterizes feed water by reverse osmosis water quality.
Operating procedure are as follows: when counter-infiltration system 1 operates normally, open the valve of sampling line 3 and discharge pipe line 5, adjustment
Flow of inlet water connects measurement device power supply, in characteristic contamination monitoring device 4 and feature pollution index computing system to preset value
Data are read in 6.
Embodiment 1:
Certain power plant uses phreatic water as water source, and uses ultrafiltration as in-line coagulation technique, and water quality is good.Feature is dirty
Total particle pollutant is between 1~25 in the feed water by reverse osmosis of dye 4 METHOD FOR CONTINUOUS DETERMINATION of object monitoring device, through feed water by reverse osmosis water quality
Feature pollution index CSDI is calculated, CSDI < 0.5, and water quality is excellent.The pollution index of the same period is measured, SDI is 0.2 or so, much smaller than super
Filter out water specified value 3.
Embodiment 2:
Certain power plant uses surface water as water source, and uses more medium filter and charcoal filter as reverse osmosis pre-
Treatment process, water quality are poor.Total particle pollutant is 200 in the feed water by reverse osmosis of 4 METHOD FOR CONTINUOUS DETERMINATION of characteristic contamination monitoring device
Between~380, calculated through feed water by reverse osmosis water quality characteristic pollution index CSDI, CSDI > 1.5, water quality inferiority.Measure the dirt of the same period
Staining index, SDI are much larger than 3 between 4.4~5.4.
Claims (3)
1. a kind of feed water by reverse osmosis feature pollution index measurement device, it is characterised in that: including what is be connected to counter-infiltration system (1)
Feed water by reverse osmosis pipeline (2), the sampling line (3) being connected on feed water by reverse osmosis pipeline (2) are arranged on sampling line (3)
Characteristic contamination monitoring device (4), i.e., the entrance of characteristic contamination monitoring device (4) be sampling line (3), characteristic contamination
The outlet of monitoring device (4) is discharge pipe line (5), further includes that the feature pollution connecting with characteristic contamination monitoring device (4) refers to
Number computing system (6).
2. a kind of feed water by reverse osmosis feature pollution index measurement device according to claim 1, it is characterised in that: described to take
Sample pipeline (3) is arranged at the feed water by reverse osmosis pipeline (2) of high pressure pump inlet.
3. a kind of feed water by reverse osmosis feature pollution index measurement device according to claim 1, it is characterised in that: described to take
Valve is provided on sample pipeline (3) and discharge pipe line (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098580.0U CN209507683U (en) | 2019-01-21 | 2019-01-21 | A kind of feed water by reverse osmosis feature pollution index measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098580.0U CN209507683U (en) | 2019-01-21 | 2019-01-21 | A kind of feed water by reverse osmosis feature pollution index measurement device |
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| Publication Number | Publication Date |
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| CN209507683U true CN209507683U (en) | 2019-10-18 |
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| CN201920098580.0U Active CN209507683U (en) | 2019-01-21 | 2019-01-21 | A kind of feed water by reverse osmosis feature pollution index measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607685A (en) * | 2019-01-21 | 2019-04-12 | 西安热工研究院有限公司 | A kind of feed water by reverse osmosis feature pollution index measurement device and method |
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2019
- 2019-01-21 CN CN201920098580.0U patent/CN209507683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607685A (en) * | 2019-01-21 | 2019-04-12 | 西安热工研究院有限公司 | A kind of feed water by reverse osmosis feature pollution index measurement device and method |
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