CN110194536A - A kind of reverse osmosis scale inhibition dynamic evaluation instrument and its appraisal procedure - Google Patents
A kind of reverse osmosis scale inhibition dynamic evaluation instrument and its appraisal procedure Download PDFInfo
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- CN110194536A CN110194536A CN201910518929.6A CN201910518929A CN110194536A CN 110194536 A CN110194536 A CN 110194536A CN 201910518929 A CN201910518929 A CN 201910518929A CN 110194536 A CN110194536 A CN 110194536A
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- reverse osmosis
- flowmeter
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of reverse osmosis scale inhibition dynamic evaluation instrument, packet pump, PP cotton filter, filter, ultrafiltration, first pressure gauge, first flowmeter, it is reverse osmosis, second pressure gauge, second flowmeter, third flowmeter and outer set sink, it is described pump by water inlet pipe successively with PP cotton filter, filter, ultrafiltration is connected with first flowmeter, first pressure gauge and valve are provided between the ultrafiltration and first flowmeter, the first flowmeter passes through water inlet pipe and reverse osmosis connection, the reverse osmosis output end is connected separately with one end of water producing pipe and concentrated water pipe, and second pressure gauge is additionally provided on concentrated water pipe, the other end of the water producing pipe and concentrated water pipe is provided with outer set sink.The present invention has filled up the assessment blank of laboratory level by scale inhibition dynamic evaluation instrument, it can be with accurate simulation site technique condition, there is highly important directive significance to the assessment of antisludging agent properties of product superiority and inferiority, accuracy is higher, the place very little not only taken up and a large amount of water resource of saving.
Description
Technical field
The present invention relates to technical field, specially a kind of reverse osmosis scale inhibition dynamic evaluation instrument and its appraisal procedure.
Background technique
The desalination membrane technology of water starts from the 1960s, by development in nearly 60 years, becomes on industry water now not
The a part that can or lack, is widely used in electric power, petrochemical industry, pharmacy, and the industries such as electronics start to be widely used in middle water time in recent years
With in application process, the problems such as film dirt that generates therewith is stifled, fouling is particularly acute, therefore antisludging agent is that film product can not
Or scarce a part, antisludging agent currently on the market is still based on import, especially concentrate, the transport that can be substantially reduced
Cost, and it is not phosphorous, but it is import；
The instrument of scale inhibition dynamic evaluation at present is filtered using PP cotton, active carbon filtering, ultrafiltration and reverse osmosis, but reverse osmosis is single
Root film is filtered, and actual process is 6 film cascade operations, different from actual motion technique；Using static evaluation method or make
It is assessed with small reverse osmosis device, the data of static evaluation method error for the antisludging agent of some absorbent-types is very big,
And the place that small reverse osmosis device occupies is very big and wastes a large amount of water resource, is not suitable for installing in laboratory.
Summary of the invention
The purpose of the present invention is to provide a kind of reverse osmosis scale inhibition dynamic evaluation instrument and its appraisal procedures, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of reverse osmosis scale inhibition dynamic evaluation instrument, packet pump,
PP cotton filter, filter, ultrafiltration, first pressure gauge, first flowmeter, reverse osmosis, second pressure gauge, second flowmeter,
Three flowmeters and outer set sink, the pump are successively connected with PP cotton filter, filter, ultrafiltration and first flowmeter by water inlet pipe
Connect, be provided with first pressure gauge and valve between the ultrafiltration and first flowmeter, the first flowmeter by water inlet pipe with
Reverse osmosis connection, the reverse osmosis output end are connected separately with one end of water producing pipe and concentrated water pipe, the water producing pipe and concentrated water
It is provided with valve on pipe, and is additionally provided with second pressure gauge on concentrated water pipe, the other end setting of the water producing pipe and concentrated water pipe
There is outer set sink, and outer set sink is connected by water inlet pipe with the output end of pump.
Preferably, the first pressure gauge is located at before valve.
Preferably, the second pressure gauge is located at before valve.
Preferably, the filter is polypropylene melt-blown filter, active carbon filter, ultrafiltration or reverse osmosis one kind.
A kind of appraisal procedure of reverse osmosis scale inhibition dynamic evaluation instrument, includes the following steps,
Step 1: preparing experiment accessory:
Prepare four kinds of filters: polypropylene melt-blown filter, active carbon filter, ultrafiltration and reverse osmosis, and be installed to corresponding
Device location on；
Step 2: preparation experiment water；
S1,36.04 grams of SILVER REAGENT calcium chloride dihydrates are taken to be configured to 1 aqueous solution, which is 25000ppm；
S2,42 grams of SILVER REAGENT sodium bicarbonates are taken to be configured to 1 aqueous solution, which is 25000ppm；
S3,40 liters of water are taken, is separately added into the 30% of 1000 grams of calcium hardness titers, the total standard solution of 200 grams of total alkalinitys and 500ppm
Liquid alkaline is configured to solution；
Step 3: medicament prepares；
DP6640 and PWT medicament is first diluted 11 times, after being made into titer (GE antisludging agent be titer), then by DP6640, PWT
1000 times are diluted with GE medicament；
Step 4: experimental implementation；
S1,40 liters of configured levels are assigned in 4 outer set sinks, is 10 liters in each outer set sink；
S2, respectively in 3 outer set sinks be added 5ppm DP6640, GE and PWT titer antisludging agent；
S3, water inlet pipe, water producing pipe and concentrated water pipe are respectively put into outer set sink, open power supply, by all valves open to maximum into
Row exhaust；When concentrated water side does not have bubble, concentrated water valve is adjusted, concentrated water flow 3.6L/h is made；
S4, after 48 hours, terminate experiment, reverse osmosis removal draining is prepared to weigh.
Preferably, water side and concentrated water side are produced in step 4, during the S3 to have a small amount of bubble and generate, and are needed to flowmeter
It is exhausted.
Preferably, it in step 4, waits 30 minutes or so during the S3, stablizes to third flowmeter and second flowmeter
Start recording data afterwards, it is primary every 1 hour record.
A kind of reverse osmosis scale inhibition dynamic evaluation instrument proposed by the present invention and its appraisal procedure, beneficial effect are:
1, scale inhibition dynamic evaluation instrument of the present invention is the filtering of PP cotton, active carbon filtering, ultrafiltration and reverse osmosis, the operating condition with scene
It is very close, the scale inhibition effect of reverse osmosis antisludging agent can be effectively evaluated, accuracy is higher, the place very little and section not only taken up
About a large amount of water resource；
2, the present invention has filled up the assessment blank of laboratory level by scale inhibition dynamic evaluation instrument, can be with accurate simulation site technique
Condition has highly important directive significance to the assessment of antisludging agent properties of product superiority and inferiority.
Detailed description of the invention
Fig. 1 is a kind of flow chart of reverse osmosis scale inhibition dynamic evaluation instrument of the present invention；
Fig. 2 is a kind of feed water flow spirogram of reverse osmosis scale inhibition dynamic evaluation instrument of the present invention；
Fig. 3 is a kind of production water flow spirogram of reverse osmosis scale inhibition dynamic evaluation instrument of the present invention；
Fig. 4 is a kind of water inlet conductivity map of reverse osmosis scale inhibition dynamic evaluation instrument of the present invention；
Fig. 5 is a kind of production water conductivity figure of reverse osmosis scale inhibition dynamic evaluation instrument of the present invention.
In figure: 1, pumping, 2, PP cotton filter, 3, filter, 4, ultrafiltration, 5, first pressure gauge, 6, first flowmeter, 7, anti-
Infiltration, 8, second pressure gauge, 9, second flowmeter, 10, third flowmeter, 11, outer set sink, 12, water producing pipe, 13, concentrated water pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1 please refers to Fig. 1-5, and the present invention provides a kind of technical solution: a kind of reverse osmosis scale inhibition dynamic evaluation instrument,
Packet pump 1, PP cotton filter 2, filter 3, ultrafiltration 4, first pressure gauge 5, first flowmeter 6, reverse osmosis 7, second pressure gauge 8,
Second flowmeter 9, third flowmeter 10 and outer set sink 11, it is described pump 1 by water inlet pipe successively with PP cotton filter 2, filtering
Device 3, ultrafiltration 4 and first flowmeter 6 connect, the filter 3 be polypropylene melt-blown filter, active carbon filter, ultrafiltration or
Reverse osmosis one kind is provided with first pressure gauge 5 and valve, the first pressure gauge between the ultrafiltration 4 and first flowmeter 6
5 are located at before valve, and the first flowmeter 6 is connect by water inlet pipe with reverse osmosis 7, the reverse osmosis 7 output end difference
It is connected with one end of water producing pipe 12 and concentrated water pipe 13, valve, and concentrated water pipe are provided on the water producing pipe 12 and concentrated water pipe 13
Second pressure gauge 8 is additionally provided on 13, the second pressure gauge 8 is located at before valve, the water producing pipe and concentrated water pipe it is another
End is provided with outer set sink 11, and outer set sink 11 is connected by water inlet pipe with the output end of pump 1.
A kind of appraisal procedure of reverse osmosis scale inhibition dynamic evaluation instrument, includes the following steps,
Step 1: preparing experiment accessory:
Prepare four kinds of filters: polypropylene melt-blown filter, active carbon filter, ultrafiltration and reverse osmosis, and be installed to corresponding
Device location on；
Step 2: preparation experiment water；
S1,36.04 grams of SILVER REAGENT calcium chloride dihydrates are taken to be configured to 1 aqueous solution, which is 25000ppm；
S2,42 grams of SILVER REAGENT sodium bicarbonates are taken to be configured to 1 aqueous solution, which is 25000ppm；
S3,40 liters of water are taken, is separately added into the 30% of 1000 grams of calcium hardness titers, the total standard solution of 200 grams of total alkalinitys and 500ppm
Liquid alkaline is configured to solution；
It is configured to following water quality:
| pH | Conductivity (us/cm) | Calcium hardness ppm | Total alkalinity ppm | Bright lattice Lear index |
| 12 | 8210 | 2500 | 650 | 5.76 |
Step 3: medicament prepares；
DP6640 and PWT medicament is first diluted 11 times, after being made into titer (GE antisludging agent be titer), then by DP6640, PWT
1000 times are diluted with GE medicament；
Step 4: experimental implementation；
S1,40 liters of configured levels are assigned in 4 outer set sinks 11, is 10 liters in each outer set sink 11；
S2, respectively in 3 outer set sinks 11 be added 5ppm DP6640, GE and PWT titer antisludging agent；
S3, water inlet pipe, water producing pipe 12 and concentrated water pipe 13 are respectively put into outer set sink 11, open power supply, by all valves open to
Maximum is exhausted；When concentrated water side does not have bubble, concentrated water valve is adjusted, concentrated water flow 3.6L/h is made；
Water side and concentrated water side are produced during the S3 to have a small amount of bubble and generate, and need that flowmeter is exhausted；
It is waited 30 minutes or so during the S3, the start recording data after third flowmeter 10 and second flowmeter 9 are stablized, often
It is primary every 1 hour record；
S4, after 48 hours, terminate experiment, reverse osmosis 7 removal draining is prepared into weighing；
By the way of circulation, that is, produce water and NF concentrated water reuse.
Experimental data table:
Table one: flow operation data
Table two: water quality operation data
Table three: film Gain weight
| Title | Before experiment (gram) | After experiment (gram) | It increases weight (gram) |
| Blank | 207.98 | 227.89 | 19.91 |
| PWT | 208.34 | 240.36 | 32.02 |
| GE | 208.12 | 212.96 | 4.84 |
| DP6640 | 209.88 | 243.6 | 33.72 |
Table four: change of water quality
Conclusion: 1, after having added PWT, GE and antisludging agent DP6640, effect is better than the effect of not dosing；
2, plus after antisludging agent DP6640, in the case where producing water flow and flow of inlet water relative to other two kinds of medicaments and not dosing
Stablize；
3, the case where increasing weight from film is analyzed, and GE medicament belongs to chelation, makes lattice deformability, i.e. hardness in water belongs to small base
Group increases weight less, and PWT and DP6640 belong to dendroid absorbent-type, i.e. it is more larger with respect to GE to belong to diameter for hardness in water
Group, increase weight it is more；But judge from water flow is produced, GE fouling dirt is stifled may to be belonged to relatively uniform, and DP6640 and PWT can
It can be part.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of reverse osmosis scale inhibition dynamic evaluation instrument, it is characterised in that: packet pump (1), filter (3), surpasses PP cotton filter (2)
Filter (4), first pressure gauge (5), first flowmeter (6), reverse osmosis (7), second pressure gauge (8), second flowmeter (9), third
Flowmeter (10) and outer set sink (11), the pump (1) by water inlet pipe successively with PP cotton filter (2), filter (3), super
(4) and first flowmeter (6) is filtered to connect, be provided between the ultrafiltration (4) and first flowmeter (6) first pressure gauge (5) and
Valve, the first flowmeter (6) are connect by water inlet pipe with reverse osmosis (7), and the output end of reverse osmosis (7) is separately connected
There is one end of water producing pipe (12) and concentrated water pipe (13), is provided with valve on the water producing pipe (12) and concentrated water pipe (13), and dense
It being additionally provided on water pipe (13) second pressure gauge (8), the other end of the water producing pipe and concentrated water pipe is provided with outer set sink (11),
And outer set sink (11) is connected by water inlet pipe with the output end for pumping (1).
2. a kind of reverse osmosis scale inhibition dynamic evaluation instrument according to claim 1, it is characterised in that: the first pressure gauge
(5) it is located at before valve.
3. a kind of reverse osmosis scale inhibition dynamic evaluation instrument according to claim 1, it is characterised in that: the second pressure gauge
(8) it is located at before valve.
4. a kind of reverse osmosis scale inhibition dynamic evaluation instrument according to claim 1, it is characterised in that: the filter (3) is
Polypropylene melt-blown filter, active carbon filter, ultrafiltration or reverse osmosis one kind.
5. a kind of appraisal procedure of reverse osmosis scale inhibition dynamic evaluation instrument, it is characterised in that: include the following steps,
Step 1: preparing experiment accessory:
Prepare four kinds of filters: polypropylene melt-blown filter, active carbon filter, ultrafiltration and reverse osmosis, and be installed to corresponding
Device location on；
Step 2: preparation experiment water；
S1,36.04 grams of SILVER REAGENT calcium chloride dihydrates are taken to be configured to 1 aqueous solution, which is 25000ppm；
S2,42 grams of SILVER REAGENT sodium bicarbonates are taken to be configured to 1 aqueous solution, which is 25000ppm；
S3,40 liters of water are taken, is separately added into the 30% of 1000 grams of calcium hardness titers, the total standard solution of 200 grams of total alkalinitys and 500ppm
Liquid alkaline is configured to solution；
Step 3: medicament prepares；
DP6640 and PWT medicament is first diluted 11 times, after being made into titer (GE antisludging agent be titer), then by DP6640, PWT
1000 times are diluted with GE medicament；
Step 4: experimental implementation；
S1,40 liters of configured levels are assigned in 4 outer set sinks (11), is 10 liters in each outer set sink (11)；
S2, be added in 3 outer set sinks (11) respectively 5ppm DP6640, GE and PWT titer antisludging agent；
S3, water inlet pipe, water producing pipe (12) and concentrated water pipe (13) are respectively put into outer set sink (11), power supply are opened, by all valves
Men Kaizhi maximum is exhausted；When concentrated water side does not have bubble, concentrated water valve is adjusted, concentrated water flow 3.6L/h is made
S4, after 48 hours, terminate experiment, reverse osmosis (7) removal draining is prepared into weighing.
6. a kind of appraisal procedure of reverse osmosis scale inhibition dynamic evaluation instrument according to claim 5, it is characterised in that: step 4
In, water side and concentrated water side are produced during the S3 and has a small amount of bubble and generates, and need that flowmeter is exhausted.
7. a kind of appraisal procedure of reverse osmosis scale inhibition dynamic evaluation instrument according to claim 5, it is characterised in that: step 4
In, it is waited 30 minutes or so during the S3, the start recording number after third flowmeter (10) and second flowmeter (9) are stablized
According to primary every 1 hour record.
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| CN210465207U (en) * | 2019-03-21 | 2020-05-05 | 江苏富淼科技股份有限公司 | Scale inhibition dynamic evaluation instrument |
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| US20030127381A1 (en) * | 2002-01-09 | 2003-07-10 | Gsell George V. | Apparatus for producing USP or WFI purified water |
| CN201080450Y (en) * | 2007-07-25 | 2008-07-02 | 浙江省电力试验研究院 | Multifunctional reverse osmosis operation dynamic emulation test device |
| CN101936874A (en) * | 2010-07-29 | 2011-01-05 | 上海电力学院 | Evaluation method of reverse osmosis scale inhibition performance |
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Application publication date: 20190903 |